| Database | Identifier | Details |
|---|
| HGNC | HGNC:1884 | Approved symbol: CFTR |
| Ensembl | ENSG00000001626 | protein_coding |
| NCBI Entrez | 1080 | protein-coding |
| OMIM | 602421 | Gene/Locus |
Gene Names and Aliases
- Approved Name: CF transmembrane conductance regulator
- Previous Names: cystic fibrosis transmembrane conductance regulator, ATP-binding cassette (sub-family C, member 7)
- Previous Symbols: CF, ABCC7
- Aliases: MRP7, ABC35, TNR-CFTR, dJ760C5.1, CFTR/MRP
Genomic Location
| Property | Value |
|---|
| Chromosome | 7 |
| Cytogenetic Band | 7q31.2 |
| Start Position | 117,287,120 |
| End Position | 117,715,971 |
| Strand | + (forward) |
| Gene Length | 428,851 bp |
Gene Classification
- Locus Type: gene with protein product
- Locus Group: protein-coding gene
- Gene Groups:
- Chloride channels, ATP-gated CFTR
- ATP binding cassette subfamily C
Section 2: Transcript Identifiers
Summary
- Total Ensembl Transcripts: 44
- Protein-coding transcripts: 17
- Nonsense-mediated decay: 10
- Other biotypes: 17
Ensembl Transcripts (All 44)
| Transcript ID | Biotype | Start | End |
|---|
| ENST00000003084 | protein_coding (MANE Select) | 117,480,025 | 117,668,665 |
| ENST00000426809 | protein_coding | 117,480,095 | 117,667,071 |
| ENST00000446805 | protein_coding | 117,478,368 | 117,530,978 |
| ENST00000468795 | protein_coding | 117,611,617 | 117,627,910 |
| ENST00000600166 | protein_coding | 117,652,843 | 117,715,948 |
| ENST00000648260 | protein_coding | 117,480,011 | 117,627,910 |
| ENST00000649406 | protein_coding | 117,480,011 | 117,627,910 |
| ENST00000649781 | protein_coding | 117,480,011 | 117,668,588 |
| ENST00000673785 | protein_coding | 117,287,120 | 117,548,675 |
| ENST00000689011 | protein_coding | 117,614,664 | 117,668,665 |
| ENST00000699596 | protein_coding | 117,479,988 | 117,559,912 |
| ENST00000699597 | protein_coding | 117,479,988 | 117,559,913 |
| ENST00000699602 | protein_coding | 117,479,988 | 117,668,588 |
| ENST00000699605 | protein_coding | 117,480,025 | 117,668,588 |
| ENST00000889206 | protein_coding | 117,479,980 | 117,668,660 |
| ENST00000889207 | protein_coding | 117,479,997 | 117,668,665 |
| ENST00000889208 | protein_coding | 117,480,025 | 117,668,665 |
| ENST00000889209 | protein_coding | 117,480,027 | 117,668,665 |
| ENST00000889210 | protein_coding | 117,480,025 | 117,668,660 |
| ENST00000950799 | protein_coding | 117,479,959 | 117,668,660 |
| ENST00000429014 | protein_coding_CDS_not_defined | 117,689,713 | 117,715,971 |
| ENST00000436097 | protein_coding_CDS_not_defined | 117,287,128 | 117,322,236 |
| ENST00000472848 | protein_coding_CDS_not_defined | 117,559,638 | 117,587,749 |
| ENST00000546407 | protein_coding_CDS_not_defined | 117,465,784 | 117,504,308 |
| ENST00000608965 | protein_coding_CDS_not_defined | 117,710,017 | 117,715,873 |
| ENST00000610149 | protein_coding_CDS_not_defined | 117,710,132 | 117,715,827 |
| ENST00000647639 | protein_coding_CDS_not_defined | 117,480,011 | 117,511,329 |
| ENST00000692802 | protein_coding_CDS_not_defined | 117,480,011 | 117,483,309 |
| ENST00000693465 | protein_coding_CDS_not_defined | 117,480,010 | 117,507,439 |
| ENST00000693480 | protein_coding_CDS_not_defined | 117,480,011 | 117,482,388 |
| ENST00000699603 | protein_coding_CDS_not_defined | 117,480,011 | 117,481,314 |
| ENST00000647720 | nonsense_mediated_decay | 117,479,988 | 117,668,562 |
| ENST00000647978 | nonsense_mediated_decay | 117,480,011 | 117,668,588 |
| ENST00000649850 | nonsense_mediated_decay | 117,480,011 | 117,529,534 |
| ENST00000685018 | nonsense_mediated_decay | 117,479,988 | 117,668,665 |
| ENST00000687278 | nonsense_mediated_decay | 117,479,988 | 117,668,665 |
| ENST00000699585 | nonsense_mediated_decay | 117,479,988 | 117,668,563 |
| ENST00000699598 | nonsense_mediated_decay | 117,479,988 | 117,668,561 |
| ENST00000699599 | nonsense_mediated_decay | 117,479,988 | 117,668,561 |
| ENST00000699600 | nonsense_mediated_decay | 117,479,988 | 117,668,562 |
| ENST00000699601 | nonsense_mediated_decay | 117,479,988 | 117,668,588 |
| ENST00000699604 | nonsense_mediated_decay | 117,480,011 | 117,668,588 |
| ENST00000621535 | retained_intron | 117,713,753 | 117,715,901 |
| ENST00000699606 | retained_intron | 117,650,801 | 117,668,561 |
RefSeq Transcripts (Human)
| Accession | Type | Status | MANE Select |
|---|
| NM_000492 | mRNA | REVIEWED | ✓ Yes |
CCDS Identifiers
Canonical Transcript Exons (ENST00000003084)
Total Exon Count: 27
| Exon ID | Start | End | Length |
|---|
| ENSE00001343851 | 117,480,025 | 117,480,147 | 122 |
| ENSE00003976987 | 117,504,253 | 117,504,363 | 110 |
| ENSE00003976975 | 117,509,034 | 117,509,142 | 108 |
| ENSE00000718611 | 117,530,899 | 117,531,114 | 215 |
| ENSE00000718620 | 117,534,276 | 117,534,365 | 89 |
| ENSE00000718626 | 117,535,248 | 117,535,411 | 163 |
| ENSE00000718630 | 117,536,548 | 117,536,673 | 125 |
| ENSE00000718634 | 117,540,100 | 117,540,346 | 246 |
| ENSE00000718637 | 117,542,016 | 117,542,108 | 92 |
| ENSE00003976986 | 117,548,641 | 117,548,823 | 182 |
| ENSE00003977079 | 117,559,464 | 117,559,655 | 191 |
| ENSE00003977066 | 117,587,739 | 117,587,833 | 94 |
| ENSE00003977041 | 117,590,353 | 117,590,439 | 86 |
| ENSE00003977038 | 117,591,934 | 117,592,657 | 723 |
| ENSE00003977072 | 117,594,930 | 117,595,058 | 128 |
| ENSE00003977044 | 117,602,826 | 117,602,863 | 37 |
| ENSE00003977055 | 117,603,532 | 117,603,782 | 250 |
| ENSE00003977054 | 117,606,674 | 117,606,753 | 79 |
| ENSE00003977056 | 117,610,519 | 117,610,669 | 150 |
| ENSE00000977443 | 117,611,581 | 117,611,808 | 227 |
| ENSE00000718699 | 117,614,613 | 117,614,713 | 100 |
| ENSE00003936498 | 117,627,522 | 117,627,770 | 248 |
| ENSE00003925242 | 117,642,438 | 117,642,593 | 155 |
| ENSE00003833777 | 117,652,842 | 117,652,931 | 89 |
| ENSE00003840813 | 117,664,688 | 117,664,860 | 172 |
| ENSE00003835972 | 117,665,459 | 117,665,564 | 105 |
| ENSE00000977444 | 117,666,908 | 117,668,665 | 1,757 |
Section 3: Protein Identifiers
UniProt Accessions
Total: 20 entries
| Accession | Status | Notes |
|---|
| P13569 | ✓ Reviewed (Swiss-Prot) | Canonical entry |
| A0A3B3IT97 | Unreviewed | Isoform |
| A0A3B3ITE0 | Unreviewed | Isoform |
| A0A3B3ITW0 | Unreviewed | Isoform |
| A0A3B3ITW5 | Unreviewed | Isoform |
| A0A669KBE8 | Unreviewed | Isoform |
| A0A8I5KVL1 | Unreviewed | Isoform |
| A0A8I5KVV2 | Unreviewed | Isoform |
| A0A8I5KXQ9 | Unreviewed | Isoform |
| A0A8V8TNG7 | Unreviewed | Isoform |
| A0A8V8TNH2 | Unreviewed | Isoform |
| A0A8V8TNN0 | Unreviewed | Isoform |
| A0A8V8TNN7 | Unreviewed | Isoform |
| A0A8V8TPV6 | Unreviewed | Isoform |
| A0A8V8TQ89 | Unreviewed | Isoform |
| A0A8V8TQ94 | Unreviewed | Isoform |
| C9J6L5 | Unreviewed | Isoform |
| E7EPB6 | Unreviewed | Isoform |
| H0Y8A9 | Unreviewed | Isoform |
| M0QYZ3 | Unreviewed | Isoform |
Canonical Protein (P13569) Properties
| Property | Value |
|---|
| Name | Cystic fibrosis transmembrane conductance regulator |
| Alternative Names | ATP-binding cassette sub-family C member 7; Channel conductance-controlling ATPase; cAMP-dependent chloride channel |
| Length | 1,480 amino acids |
| Molecular Mass | 168,142 Da |
RefSeq Protein Accessions (Human)
| Accession | Status | MANE Select |
|---|
| NP_000483 | REVIEWED | ✓ Yes |
Protein Domains and Families (InterPro)
Total: 10 annotations
| InterPro ID | Name | Type |
|---|
| IPR003439 | ABC_transporter-like_ATP-bd | Domain |
| IPR003593 | AAA+_ATPase | Domain |
| IPR009147 | CFTR/ABCC7 | Family |
| IPR011527 | ABC1_TM_dom | Domain |
| IPR017871 | ABC_transporter-like_CS | Conserved_site |
| IPR025837 | CFTR_reg_dom | Domain |
| IPR027417 | P-loop_NTPase | Homologous_superfamily |
| IPR036640 | ABC1_TM_sf | Homologous_superfamily |
| IPR047082 | CFTR1_ATP-bd_dom1 | Domain |
| IPR050173 | ABC_transporter_C-like | Family |
Section 4: Structure Identifiers
AlphaFold Predicted Structure
| Property | Value |
|---|
| AlphaFold ID | P13569 |
| Global pLDDT | 75.96 |
| Sequence Length | 11,845 (residue positions) |
| Fraction Very High Confidence | 0.33 |
Experimental Structures (PDB)
Total PDB Structures: 58
| PDB ID | Title | Method | Resolution (Å) |
|---|
| 9MXL | CFTR with (R)-BPO-27 and ATP/Mg | Cryo-EM | 2.1 |
| 9DW9 | Phosphorylated (E1371Q)CFTR with PKA-C | Cryo-EM | 2.8 |
| 7SVD | CFTR with ATP/Mg and Lumacaftor (VX-809) | Cryo-EM | 2.7 |
| 8UBR | CFTR with CFTRinh-172 and ATP/Mg | Cryo-EM | 2.7 |
| 8EIO | ΔF508 CFTR with elexacaftor and lumacaftor | Cryo-EM | 2.8 |
| 8EIQ | ΔF508 CFTR with Trikafta (triple combo) | Cryo-EM | 3.0 |
| 6MSM | Phosphorylated, ATP-bound CFTR | Cryo-EM | 3.2 |
| 6O1V | CFTR with GLPG1837 | Cryo-EM | 3.2 |
| 6O2P | CFTR with ivacaftor | Cryo-EM | 3.3 |
| 9DW5 | Dephosphorylated CFTR with PKA-C | Cryo-EM | 3.8 |
| 8EIG | ΔF508 CFTR with elexacaftor | Cryo-EM | 3.6 |
| 5UAK | Dephosphorylated, ATP-free CFTR | Cryo-EM | 3.87 |
| 2PZE | NBD1 head-to-tail dimer | X-ray | 1.7 |
| 2PZG | NBD1 monomer | X-ray | 1.8 |
| 5TFJ | NBD1 with dCTP | X-ray | 1.85 |
| 6WBS | NBD1 ΔF508/V510D | X-ray | 1.857 |
| 5TF8 | NBD1 with dTTP | X-ray | 1.861 |
| 5TFA | NBD1 with dUTP | X-ray | 1.87 |
| 5TFB | NBD1 with 7-methyl-GTP | X-ray | 1.87 |
| 5TFD | NBD1 with CTP | X-ray | 1.891 |
| 5TFF | NBD1 with UTP | X-ray | 1.891 |
| 5TFI | NBD1 with dGTP | X-ray | 1.891 |
| 5TFG | NBD1 with 5-methyl-UTP | X-ray | 1.91 |
| 5TGK | NBD1 with dATP | X-ray | 1.912 |
| 5TFC | NBD1 with GTP | X-ray | 1.92 |
| 5TF7 | NBD1 with ATP | X-ray | 1.931 |
| 6GJS | NBD1 with nanobodies D12 and T4 | X-ray | 1.95 |
| 2PZF | NBD1 ΔF508 head-to-tail dimer | X-ray | 2.0 |
| 2BBS | ΔF508 NBD1 with solubilizing mutations | X-ray | 2.05 |
| 4WZ6 | NBD1 ΔF508 bound ATP | X-ray | 2.05 |
| 5D2D | 14-3-3 zeta with CFTR R-domain peptide | X-ray | 2.1 |
| 1XMI | F508A NBD1 with ATP | X-ray | 2.25 |
| 1XMJ | ΔF508 NBD1 with ATP | X-ray | 2.3 |
| 2BBT | ΔF508 NBD1 with solubilizing mutations | X-ray | 2.3 |
| 6GJQ | NBD1 with nanobody T27 | X-ray | 2.49 |
| 2BBO | NBD1 with Phe508 | X-ray | 2.55 |
| 6GJU | NBD1 with nanobodies T2a and T4 | X-ray | 2.6 |
| 3GD7 | NBD2 with P-ATP | X-ray | 2.7 |
| 6UK1 | NBD2 | X-ray | 2.693 |
| 6ZE1 | NBD1 with nanobody G11a | X-ray | 2.705 |
| 5D3E | 14-3-3 gamma with CFTR R-domain peptide | X-ray | 2.75 |
| 5D3F | 14-3-3 zeta with CFTR peptide and fusicoccin-A | X-ray | 2.74 |
| 3ISW | Filamin-A with CFTR N-terminal peptide | X-ray | 2.8 |
| 6GK4 | NBD1 with nanobodies D12 and T8 | X-ray | 2.91 |
| 6GKD | NBD1 with nanobodies D12 and G3a | X-ray | 2.99 |
| 2LOB | PDZ Domain of CAL | Solution NMR | - |
Section 5: Cross-Species Orthologs
| Organism | Gene ID | Symbol | Biotype |
|---|
| Mouse (Mus musculus) | ENSMUSG00000041301 | Cftr | protein_coding |
| Rat (Rattus norvegicus) | ENSRNOG00000055103 | Cftr | protein_coding |
| Zebrafish (Danio rerio) | ENSDARG00000041107 | cftr | protein_coding |
| Fruit fly (Drosophila melanogaster) | FBGN0010549 | l(2)03659 | protein_coding |
| Fruit fly (D. melanogaster) | FBGN0032456 | MRP | protein_coding |
| Fruit fly (D. melanogaster) | FBGN0038740 | Mrp5 | protein_coding |
| Fruit fly (D. melanogaster) | FBGN0263316 | Mrp4 | protein_coding |
| Worm (C. elegans) | WBGENE00000477 | - | - |
| Yeast (S. cerevisiae) | No direct ortholog | - | - |
Section 6: Clinical Variants & AI Predictions
ClinVar Variant Summary
Total ClinVar Variants: 5,919
| Classification | Count (sampled) |
|---|
| Pathogenic | 100+ |
| Likely Pathogenic | 50+ |
| Uncertain Significance | 3,000+ |
| Likely Benign | 1,500+ |
| Benign | 500+ |
Top 50 Pathogenic/Likely Pathogenic Variants
| ClinVar ID | HGVS Notation | Type | Classification |
|---|
| 1300163 | c.761del (p.Lys254fs) | Deletion | Pathogenic |
| 1300164 | c.580G>A (p.Gly194Arg) | SNV | Pathogenic |
| 1300165 | c.3382A>T (p.Arg1128Ter) | SNV | Pathogenic |
| 1300166 | c.3600del (p.Asp1201fs) | Deletion | Pathogenic |
| 1048778 | c.89dup (p.Arg31fs) | Duplication | Pathogenic |
| 1069281 | c.2560dup (p.Thr854fs) | Duplication | Pathogenic |
| 1069526 | c.489+1G>A | SNV | Pathogenic |
| 1069549 | c.300_301del (p.Leu101fs) | Deletion | Pathogenic |
| 1073653 | c.1573del (p.Gln525fs) | Deletion | Pathogenic |
| 1185022 | c.2335C>T (p.Gln779Ter) | SNV | Pathogenic |
| 1244250 | c.2917C>T (p.Leu973Phe) | SNV | Pathogenic |
| 1322070 | c.2909-1G>A | SNV | Pathogenic |
| 1328993 | c.396del (p.Ile132fs) | Deletion | Pathogenic |
| 1330378 | c.3741_3745dup (p.Gly1249fs) | Duplication | Pathogenic |
| 1330401 | c.580G>T (p.Gly194Ter) | SNV | Pathogenic |
| 1332860 | c.2848del (p.His950fs) | Deletion | Pathogenic |
| 1353073 | c.307G>T (p.Gly103Ter) | SNV | Pathogenic |
| 1361726 | c.3185_3191del (p.Leu1062fs) | Deletion | Pathogenic |
| 1373833 | c.831G>A (p.Trp277Ter) | SNV | Pathogenic |
| 1374672 | c.3725del (p.Leu1242fs) | Deletion | Pathogenic |
| 1387407 | c.3736del (p.Thr1246fs) | Deletion | Pathogenic |
| 1397987 | c.2341C>T (p.Gln781Ter) | SNV | Pathogenic |
| 1400413 | c.2872C>T (p.Gln958Ter) | SNV | Pathogenic |
| 1406009 | c.503C>G (p.Ser168Ter) | SNV | Pathogenic |
| 1418433 | c.2956del (p.Leu986fs) | Deletion | Pathogenic |
| 1418949 | c.922_926del (p.Ser308fs) | Deletion | Pathogenic |
| 1425559 | c.2012T>A (p.Leu671Ter) | SNV | Pathogenic |
| 1443618 | c.2261del (p.Val754fs) | Deletion | Pathogenic |
| 1450404 | c.2994del (p.Leu998fs) | Deletion | Pathogenic |
| 1451980 | c.2435dup (p.Leu812fs) | Duplication | Pathogenic |
| 1452452 | c.2959_2960dup (p.Pro988fs) | Duplication | Pathogenic |
| 1453519 | c.4387_4388del (p.Gln1463fs) | Deletion | Pathogenic |
| 1453724 | c.326_327del (p.Ser108_Tyr109insTer) | Deletion | Pathogenic |
| 1457083 | c.1243_1247del (p.Gln414_Asn415insTer) | Deletion | Pathogenic |
| 1457828 | c.2301del (p.Gln767fs) | Deletion | Pathogenic |
| 1458639 | c.579+1_579+2insACAT | Insertion | Pathogenic |
| 1459556 | c.156del (p.Lys52fs) | Deletion | Pathogenic |
| 161997 | c.2700T>A (p.Asn900Lys) | SNV | Pathogenic |
| 161999 | c.2443G>T (p.Glu815Ter) | SNV | Pathogenic |
| 162000 | c.830G>A (p.Trp277Ter) | SNV | Pathogenic |
| 1677121 | c.1551C>G (p.Tyr517Ter) | SNV | Pathogenic |
| 1685614 | c.532G>C (p.Gly178Arg) | SNV | Pathogenic |
| 1685616 | c.1227_1228del (p.Phe409fs) | Deletion | Pathogenic |
| 1685617 | c.1343_1350del (p.Ile448fs) | Deletion | Pathogenic |
| 1685618 | c.1547_1548del (p.Arg516fs) | Deletion | Pathogenic |
| 1685620 | c.2278dup (p.Thr760fs) | Duplication | Pathogenic |
| 1685621 | c.2988+2T>G | SNV | Pathogenic |
| 1685622 | c.3301del (p.Gln1100_Met1101insTer) | Deletion | Pathogenic |
| 1685623 | c.3639dup (p.Asp1214fs) | Duplication | Pathogenic |
| 1704256 | c.433C>G (p.Leu145Val) | SNV | Pathogenic |
SpliceAI Predictions
Total SpliceAI Variants: 9,348
Top 50 Splice-Altering Variants (by delta score)
| Variant | Effect | Delta Score |
|---|
| 7:117294557:A:AC | acceptor_gain | 0.89 |
| 7:117294558:C:CC | acceptor_gain | 0.89 |
| 7:117294553:T:TA | acceptor_gain | 0.87 |
| 7:117294559:T:C | acceptor_gain | 0.86 |
| 7:117293144:A:AC | donor_gain | 0.76 |
| 7:117293145:T:C | donor_gain | 0.74 |
| 7:117295480:CCT:C | acceptor_gain | 0.73 |
| 7:117295481:CT:C | acceptor_gain | 0.50 |
| 7:117294552:AT:A | acceptor_gain | 0.65 |
| 7:117295366:GCTAT:G | acceptor_gain | 0.65 |
| 7:117295478:CACCT:C | acceptor_gain | 0.65 |
| 7:117288433:AT:A | acceptor_gain | 0.63 |
| 7:117288274:A:AC | donor_gain | 0.66 |
| 7:117288275:C:CC | donor_gain | 0.66 |
| 7:117288434:T:A | acceptor_gain | 0.65 |
| 7:117295440:TAGTA:T | acceptor_gain | 0.58 |
| 7:117294591:A:C | acceptor_gain | 0.57 |
| 7:117295506:TC:T | acceptor_gain | 0.54 |
| 7:117295508:T:A | acceptor_gain | 0.54 |
| 7:117295441:A:AC | donor_gain | 0.53 |
| 7:117294551:AAT:A | acceptor_gain | 0.52 |
| 7:117293203:T:TA | acceptor_gain | 0.51 |
| 7:117295368:T:A | acceptor_gain | 0.50 |
| 7:117288276:T:C | donor_gain | 0.48 |
| 7:117293164:C:CA | donor_gain | 0.47 |
| 7:117294620:T:TT | acceptor_gain | 0.42 |
| 7:117294592:C:CC | acceptor_gain | 0.47 |
| 7:117295398:C:T | acceptor_gain | 0.41 |
AlphaMissense Predictions
Total AlphaMissense Variants: 9,721
Top 50 Predicted Pathogenic Missense Variants
| Variant | Protein Change | Pathogenicity Score | Class |
|---|
| 7:117480143:T:C | F17L | 0.958 | likely_pathogenic |
| 7:117480143:T:A | F17I | 0.880 | likely_pathogenic |
| 7:117480119:G:C | A9P | 0.876 | likely_pathogenic |
| 7:117480120:C:A | A9D | 0.811 | likely_pathogenic |
| 7:117480143:T:G | F17V | 0.778 | likely_pathogenic |
| 7:117480131:T:C | S13P | 0.768 | likely_pathogenic |
| 7:117480138:T:C | L15P | 0.763 | likely_pathogenic |
| 7:117480132:C:T | S13F | 0.762 | likely_pathogenic |
| 7:117480120:C:T | A9V | 0.754 | likely_pathogenic |
| 7:117480108:C:T | P5L | 0.753 | likely_pathogenic |
| 7:117480105:C:G | S4W | 0.727 | likely_pathogenic |
| 7:117480108:C:A | P5H | 0.682 | likely_pathogenic |
| 7:117480119:G:A | A9T | 0.672 | likely_pathogenic |
| 7:117480132:C:A | S13Y | 0.672 | likely_pathogenic |
| 7:117480138:T:A | L15H | 0.655 | likely_pathogenic |
| 7:117480140:T:C | F16L | 0.635 | likely_pathogenic |
| 7:117480142:T:A | F16L | 0.635 | likely_pathogenic |
| 7:117480113:G:A | E7K | 0.632 | likely_pathogenic |
| 7:117480129:T:A | V12D | 0.623 | likely_pathogenic |
| 7:117480138:T:G | L15R | 0.624 | likely_pathogenic |
| 7:117480105:C:T | S4L | 0.609 | likely_pathogenic |
| 7:117480108:C:G | P5R | 0.602 | likely_pathogenic |
| 7:117480107:C:A | P5T | 0.596 | likely_pathogenic |
| 7:117480107:C:T | P5S | 0.587 | likely_pathogenic |
| 7:117480104:T:C | S4P | 0.585 | likely_pathogenic |
Section 7: Biological Pathways & Gene Ontology
Reactome Pathways
Total Pathways: 11
| Pathway ID | Pathway Name | Disease Pathway |
|---|
| R-HSA-5678895 | Defective CFTR causes cystic fibrosis | ✓ Yes |
| R-HSA-382556 | ABC-family proteins mediated transport | No |
| R-HSA-5627083 | RHO GTPases regulate CFTR trafficking | No |
| R-HSA-5689880 | Ub-specific processing proteases | No |
| R-HSA-8856825 | Cargo recognition for clathrin-mediated endocytosis | No |
| R-HSA-8856828 | Clathrin-mediated endocytosis | No |
| R-HSA-9013406 | RHOQ GTPase cycle | No |
| R-HSA-9613829 | Chaperone Mediated Autophagy | No |
| R-HSA-9615710 | Late endosomal microautophagy | No |
| R-HSA-9646399 | Aggrephagy | No |
| R-HSA-9925563 | Developmental Lineage of Pancreatic Ductal Cells | No |
Gene Ontology Annotations
Total GO Terms: 51
Molecular Function (17 terms)
| GO ID | Term |
|---|
| GO:0005254 | chloride channel activity |
| GO:0005260 | intracellularly ATP-gated chloride channel activity |
| GO:0005524 | ATP binding |
| GO:0015106 | bicarbonate transmembrane transporter activity |
| GO:0015108 | chloride transmembrane transporter activity |
| GO:0016887 | ATP hydrolysis activity |
| GO:0017081 | chloride channel regulator activity |
| GO:0019869 | chloride channel inhibitor activity |
| GO:0019899 | enzyme binding |
| GO:0030165 | PDZ domain binding |
| GO:0051087 | protein-folding chaperone binding |
| GO:0071889 | 14-3-3 protein binding |
| GO:0106138 | Sec61 translocon complex binding |
| GO:0140359 | ABC-type transporter activity |
Biological Process (20 terms)
| GO ID | Term |
|---|
| GO:0006695 | cholesterol biosynthetic process |
| GO:0006833 | water transport |
| GO:0015701 | bicarbonate transport |
| GO:0030301 | cholesterol transport |
| GO:0034976 | response to endoplasmic reticulum stress |
| GO:0035377 | transepithelial water transport |
| GO:0048240 | sperm capacitation |
| GO:0050891 | multicellular organismal-level water homeostasis |
| GO:0051454 | intracellular pH elevation |
| GO:0051649 | establishment of localization in cell |
| GO:0055085 | transmembrane transport |
| GO:0060081 | membrane hyperpolarization |
| GO:0070175 | positive regulation of enamel mineralization |
| GO:0071320 | cellular response to cAMP |
| GO:0097186 | amelogenesis |
| GO:1902476 | chloride transmembrane transport |
| GO:1904322 | cellular response to forskolin |
Cellular Component (20 terms)
| GO ID | Term |
|---|
| GO:0005634 | nucleus |
| GO:0005737 | cytoplasm |
| GO:0005765 | lysosomal membrane |
| GO:0005769 | early endosome |
| GO:0005789 | endoplasmic reticulum membrane |
| GO:0005829 | cytosol |
| GO:0005886 | plasma membrane |
| GO:0009986 | cell surface |
| GO:0010008 | endosome membrane |
| GO:0016020 | membrane |
| GO:0016323 | basolateral plasma membrane |
| GO:0016324 | apical plasma membrane |
| GO:0030660 | Golgi-associated vesicle membrane |
| GO:0030669 | clathrin-coated endocytic vesicle membrane |
| GO:0031901 | early endosome membrane |
| GO:0032991 | protein-containing complex |
| GO:0034707 | chloride channel complex |
| GO:0055037 | recycling endosome |
| GO:0055038 | recycling endosome membrane |
Section 8: Protein Interactions & Molecular Networks
STRING Interactions
Total STRING Interactions: 4,858
Top 50 Highest-Confidence Interacting Proteins
| UniProt ID | Interaction Score |
|---|
| O14745 (SLC9A3R1/NHERF1) | 996 |
| Q9HD26 (GOPC) | 937 |
| P07900 (HSP90AA1) | 929 |
| P08238 (HSP90AB1) | 925 |
| Q5T2W1 (DNAJC5G) | 920 |
| Q9BXS9 (TMEM43) | 917 |
| Q99942 (RNF5) | 898 |
| P51168 (GNB2L1/RACK1) | 896 |
| Q15599 (SLC9A3R2/NHERF2) | 891 |
| P51170 (SCNN1G) | 886 |
| P00995 (SPINK1) | 880 |
| P40879 (SLC26A3) | 878 |
| Q7LBE3 (FKBP14) | 874 |
| P48048 (KCNJ1) | 871 |
| P07477 (PRSS1) | 854 |
| Q5XXA6 (ANO1) | 841 |
| Q86UT5 (LRRC8D) | 832 |
| Q9UNE7 (STUB1/CHIP) | 831 |
| P48764 (SLC26A9) | 826 |
| P11142 (HSPA8) | 825 |
| P27824 (CANX) | 820 |
| P37088 (SCNN1A) | 819 |
| P25092 (GUCY2C) | 817 |
| Q9UQC9 (CHGB) | 817 |
| A8K7I4 (DNAJC5B) | 809 |
| O95433 (AHSA1) | 808 |
| P55011 (SLC12A2) | 804 |
| Q02747 (GCG) | 797 |
| P15311 (EZR) | 792 |
| Q99895 (CHIT1) | 775 |
| P17612 (PRKACA) | 770 |
| P22612 (PRKACG) | 770 |
| P22694 (PRKACB) | 770 |
| Q16661 (GDF15) | 764 |
| Q96PU5 (NEDD4L) | 763 |
| O43511 (SLC26A6) | 752 |
| P25685 (DNAJB1) | 744 |
| P51572 (BCAP31) | 734 |
| Q14CN2 (LRRC8C) | 720 |
| P34932 (HSPA4) | 714 |
| P58743 (ANO3) | 714 |
| Q9UNQ0 (ABCG2) | 711 |
| P07478 (PRSS2) | 707 |
| Q8N5W9 (PRSS28) | 707 |
| Q8IYP2 (SPACA3) | 696 |
| Q13148 (TARDBP) | 681 |
| Q8IZP9 (ANO5) | 680 |
| P07550 (ADRB2) | 668 |
| P00918 (CA2) | 651 |
| P31689 (DNAJA1) | 649 |
IntAct Physical Interactions
Total IntAct Interactions: 860
Key Physical Interactors (High Confidence)
| Interactor | Interaction Type | Confidence |
|---|
| NHERF1 (SLC9A3R1) | direct interaction | 0.94 |
| NHERF2 (SLC9A3R2) | direct interaction | 0.94 |
| GOPC | physical association | 0.77 |
| PDZK1 | physical association | 0.78 |
| ACTB | physical association | 0.73 |
| CAP1 | physical association | 0.72 |
| ESYT2 | association | 0.71 |
| XPO1 | association | 0.71 |
| USP10 | physical association | 0.66 |
| Shank2 | physical association | 0.66 |
| KCNN4 | physical association | 0.60 |
| RAB5A | association | 0.61 |
| CAPN1 | physical association | 0.60 |
| BCAP31 | physical association | 0.58 |
| ANTXR2 | physical association | 0.52 |
| CALU | physical association | 0.52 |
| C8orf33 | physical association | 0.52 |
| LPAR2 | association | 0.50 |
| CLCN3 | physical association | 0.50 |
SIGNOR Signaling Interactions
Total SIGNOR Interactions: 38
| Regulator | Effect | Mechanism |
|---|
| PRKACA | up-regulates activity | phosphorylation |
| PRKG1 | up-regulates | phosphorylation |
| PRKCA | up-regulates activity | phosphorylation |
| AMPK | down-regulates activity | phosphorylation |
| PRKAA1 | down-regulates activity | phosphorylation |
| CSNK2A1 | up/down-regulates | phosphorylation |
| STK39 | down-regulates activity | phosphorylation |
| LMTK2 | down-regulates activity | phosphorylation |
| PP1 | up-regulates activity | dephosphorylation |
| GOPC | down-regulates | binding |
| HSPA8 | down-regulates quantity | binding |
| RNF5 | down-regulates quantity | ubiquitination |
| STUB1 | down-regulates quantity | ubiquitination |
| MARCHF2 | down-regulates quantity | ubiquitination |
| FOXI1 | up-regulates | transcriptional regulation |
Protein Similarity
ESM2 Structural Similarity
Total Similar Proteins: 81
| UniProt ID | Top Similarity | Avg Similarity |
|---|
| P35071 (SLC6A14) | 0.9999 | 0.9985 |
| Q00555 (SLC6A1) | 0.9999 | 0.9983 |
| O60706 (ABCC9) | 0.9999 | 0.9947 |
| Q9TSP5 | 1.0000 | 0.9986 |
| Q9TUQ2 | 1.0000 | 0.9986 |
| P70170 (CFTR mouse) | 1.0000 | 0.9945 |
| P82451 (CFTR) | 0.9999 | 0.9946 |
DIAMOND Sequence Similarity
Total Homologous Proteins: 45
| UniProt ID | Identity (%) | Bitscore |
|---|
| Q00553 | 100.0 | 2844 |
| Q7JII7 | 100.0 | 2844 |
| Q7JII8 | 100.0 | 2844 |
| P13569 (self) | 99.7 | 2829 |
| Q9TSP5 | 99.9 | 2843 |
| Q9TUQ2 | 99.9 | 2843 |
| P35071 | 98.4 | 2796 |
| Q00555 | 98.4 | 2799 |
| E9Q236 (mouse) | 95.1 | 2461 |
| F1M3J4 | 95.1 | 2469 |
| P26361 | 91.9 | 2628 |
Section 9: Transcription Factor Regulatory Data
Note: CFTR is NOT a transcription factor. This section documents transcription factors that regulate CFTR expression.
Upstream Regulators of CFTR (CollecTRI)
Total TF Regulators: 35
| TF Gene | Regulation | Confidence |
|---|
| ATF1 | Activation | High |
| CDX2 | Activation | High |
| CTCF | Unknown | High |
| CUX1 | Unknown | High |
| DNMT1 | - | High |
| ESR1 | - | High |
| HNF1A | Activation | High |
| NFE2L2 | Activation | High |
| NFKB | Activation | High |
| NR3C1 | - | High |
| SP1 | Unknown | High |
| TBP | - | High |
| USF1 | - | High |
| USF2 | Unknown | High |
| YY1 | Activation | High |
| FOXA1 | Repression | - |
| FOXA2 | Repression | - |
| FOXI1 | Repression | High |
| CEBPA | Unknown | - |
| CEBPB | - | Low |
| CEBPD | Unknown | Low |
| CEBPG | - | Low |
| FOXJ1 | - | Low |
| HIF1A | - | Low |
| HNF1B | - | Low |
| KAT7 | - | Low |
| NFKB1 | Activation | Low |
| PBX1 | Unknown | - |
| RELA | Activation | Low |
| SP3 | Unknown | - |
| SRF | Unknown | - |
| STAT1 | Activation | - |
| TCF4 | Activation | - |
| TFAP2A | Unknown | - |
| TXK | - | Low |
Section 10: Drug & Pharmacology Data
ChEMBL Target Information
| ChEMBL Target ID | Target Name | Target Type |
|---|
| CHEMBL4051 | Cystic fibrosis transmembrane conductance regulator | SINGLE PROTEIN |
| CHEMBL3885559 | CFTR/GOPC complex | PROTEIN-PROTEIN INTERACTION |
Approved and Late-Stage Drugs (Phase 3+)
Total Molecules Targeting CFTR: 1,000+ (all phases)
FDA-Approved/Phase 3+ Drugs
| ChEMBL ID | Drug Name | Type | Phase | Mechanism |
|---|
| CHEMBL2010601 | IVACAFTOR (Kalydeco) | Small molecule | 4 (Approved) | CFTR potentiator |
| CHEMBL2103870 | LUMACAFTOR (Orkambi component) | Small molecule | 4 (Approved) | CFTR corrector |
| CHEMBL3544914 | TEZACAFTOR (Symdeko component) | Small molecule | 4 (Approved) | CFTR corrector |
| CHEMBL472 | GLYBURIDE | Small molecule | 4 (Approved) | CFTR inhibitor |
| CHEMBL4297849 | BAMOCAFTOR | Small molecule | 3 | CFTR corrector |
| CHEMBL226335 | RUTIN | Small molecule | 3 | - |
| CHEMBL50 | QUERCETIN | Small molecule | 3 | - |
Note: ELEXACAFTOR (VX-445), used in Trikafta triple combination therapy, is another approved CFTR corrector.
PharmGKB Information
| PharmGKB ID | Symbol | VIP Gene | CPIC Guidelines |
|---|
| PA109 | CFTR | ✓ Yes | ✓ Yes |
SIGNOR Drug Interactions
| Drug | Effect | Mechanism |
|---|
| Ivacaftor | down-regulates | chemical inhibition |
| Glyburide | down-regulates activity | chemical inhibition |
| Tolbutamide | down-regulates activity | chemical inhibition |
Section 11: Expression Profiles
Expression Summary (Bgee)
- Expression Breadth: Ubiquitous
- Total Present Calls: 193
- Max Expression Score: 99.02
Top 30 Tissues by Expression Score
| Tissue | Expression Score | Quality |
|---|
| Body of pancreas | 99.02 | Gold |
| Gall bladder | 96.99 | Gold |
| Pancreas | 96.76 | Gold |
| Rectum | 95.92 | Gold |
| Mucosa of sigmoid colon | 95.82 | Gold |
| Colonic mucosa | 95.77 | Gold |
| Islet of Langerhans | 95.45 | Gold |
| Duodenum | 95.09 | Gold |
| Mucosa of transverse colon | 92.93 | Gold |
| Jejunal mucosa | 92.39 | Gold |
| Transverse colon | 88.98 | Gold |
| C1 segment of cervical spinal cord | 87.52 | Gold |
| Minor salivary gland | 86.75 | Gold |
| Saliva-secreting gland | 86.69 | Gold |
| Male germ line stem cell in testis | 85.40 | Gold |
| Parotid gland | 84.91 | Gold |
| Large intestine | 83.66 | Gold |
| Intestine | 83.25 | Gold |
| Colon | 83.14 | Gold |
| Mouth mucosa | 82.90 | Gold |
| Spinal cord | 82.59 | Gold |
| Olfactory segment of nasal mucosa | 82.57 | Gold |
| Colonic epithelium | 81.31 | Gold |
| Small intestine Peyer's patch | 81.14 | Gold |
| Small intestine | 81.07 | Gold |
| Primordial germ cell in gonad | 80.67 | Gold |
| Caput epididymis | 80.63 | Gold |
| Body of uterus | 79.82 | Gold |
| Palpebral conjunctiva | 79.80 | Gold |
| Epithelium of bronchus | 79.53 | Gold |
Top 30 Cell Types by Expression Score
| Cell Type | Expression Score | Quality |
|---|
| Male germ line stem cell (Vertebrata) in testis | 85.40 | Gold |
| Type B pancreatic cell | 79.10 | Silver |
| Bronchial epithelial cell | 78.65 | Gold |
| Epithelial cell of pancreas | 78.10 | Gold |
| Pancreatic ductal cell | 75.32 | Silver |
Single-Cell Expression Data (SCXA)
Total Single-Cell Datasets: 4
| Dataset ID | Description | Species | Cells |
|---|
| E-GEOD-81547 | Single cell transcriptome of human pancreas | Homo sapiens | 2,544 |
| E-GEOD-81608 | Human islet cells from non-diabetic and T2D donors | Homo sapiens | 1,600 |
| E-GEOD-83139 | Human pancreatic endocrine cells | Homo sapiens | 635 |
| E-MTAB-5061 | Human pancreas from healthy and T2D patients | Homo sapiens | 3,386 |
Section 12: Disease Associations
GenCC Gene-Disease Associations
Total GenCC Associations: 6
| Disease | Classification | Inheritance | Submitter |
|---|
| Cystic fibrosis | Definitive | Autosomal recessive | Laboratory for Molecular Medicine |
| Cystic fibrosis | Definitive | Autosomal recessive | Myriad Women's Health |
| Cystic fibrosis | Strong | Autosomal recessive | Labcorp Genetics |
| Cystic fibrosis | Supportive | Autosomal recessive | Orphanet |
| Hereditary chronic pancreatitis | Limited | Autosomal dominant | Labcorp Genetics |
| Congenital bilateral absence of vas deferens | Supportive | Autosomal recessive | Orphanet |
Orphanet Disease Associations
Total Orphanet Associations: 6
| ORPHA ID | Disease Name | Type | Phenotype Count |
|---|
| 586 | Cystic fibrosis | Disease | 35 |
| 48 | Congenital bilateral absence of vas deferens | Morphological anomaly | 7 |
| 399805 | Male infertility with azoospermia/oligozoospermia | Disease | 7 |
| 498359 | Aquagenic palmoplantar keratoderma | Disease | 12 |
| 60033 | Idiopathic bronchiectasis | Disease | 19 |
| 700124 | Autosomal recessive hereditary chronic pancreatitis | Disease | 0 |
HPO Phenotype Associations
Total HPO Phenotypes: 103
Top 50 Clinical Phenotypes
| HPO ID | Phenotype |
|---|
| HP:0002110 | Bronchiectasis |
| HP:0002205 | Recurrent respiratory infections |
| HP:0001738 | Exocrine pancreatic insufficiency |
| HP:0012873 | Absent vas deferens |
| HP:0003251 | Male infertility |
| HP:0002570 | Steatorrhea |
| HP:0001733 | Pancreatitis |
| HP:0004401 | Meconium ileus |
| HP:0000027 | Azoospermia |
| HP:0012236 | Elevated sweat chloride |
| HP:0002107 | Pneumothorax |
| HP:0002097 | Emphysema |
| HP:0006528 | Chronic lung disease |
| HP:0006532 | Recurrent pneumonia |
| HP:0006538 | Recurrent bronchopulmonary infections |
| HP:0002783 | Recurrent lower respiratory tract infections |
| HP:0001394 | Cirrhosis |
| HP:0002613 | Biliary cirrhosis |
| HP:0001508 | Failure to thrive |
| HP:0002024 | Malabsorption |
| HP:0002014 | Diarrhea |
| HP:0030877 | Reduced FEV1/FVC ratio |
| HP:0002094 | Dyspnea |
| HP:0004469 | Chronic bronchitis |
| HP:0011109 | Chronic sinusitis |
| HP:0000246 | Sinusitis |
| HP:0100582 | Nasal polyposis |
| HP:0002724 | Recurrent Aspergillus infections |
| HP:0002842 | Recurrent Burkholderia cepacia infections |
| HP:0002726 | Recurrent Staphylococcus aureus infections |
| HP:0001217 | Clubbing |
| HP:0100759 | Clubbing of fingers |
| HP:0030828 | Wheezing |
| HP:0031245 | Productive cough |
| HP:0002105 | Hemoptysis |
| HP:0001648 | Cor pulmonale |
| HP:0002202 | Pleural effusion |
| HP:0000939 | Osteoporosis |
| HP:0000938 | Osteopenia |
| HP:0000819 | Diabetes mellitus |
| HP:0001944 | Dehydration |
| HP:0002020 | Gastroesophageal reflux |
| HP:0002027 | Abdominal pain |
| HP:0002035 | Rectal prolapse |
| HP:0002240 | Hepatomegaly |
| HP:0001433 | Hepatosplenomegaly |
| HP:0002910 | Elevated hepatic transaminase |
| HP:0000798 | Oligozoospermia |
| HP:0011961 | Non-obstructive azoospermia |
| HP:0011962 | Obstructive azoospermia |
GWAS Associations
Total GWAS Associations: 9
| Study ID | Trait/Disease | P-value | Mapped Gene |
|---|
| GCST90014023 | Type 1 diabetes | 2.0×10⁻¹⁶ | CFTR |
| GCST003740 | Barrett's esophagus / Esophageal adenocarcinoma | 5.0×10⁻¹⁰ | CFTR |
| GCST005956 | Waist-to-hip ratio adjusted for BMI | 5.0×10⁻⁹ | ST7 - MTND4P6 |
| GCST006395 | Glaucoma | 3.0×10⁻⁸ | CTTNBP2 - LSM8 |
| GCST001356 | Gout | 1.0×10⁻⁷ | CFTR |
| GCST005962 | WHR adjusted for BMI × sex × age | 3.0×10⁻⁷ | ST7 - MTND4P6 |
| GCST001629 | Response to platinum-based chemotherapy | 4.0×10⁻⁷ | ANKRD7 |
| GCST002408 | Response to methotrexate in juvenile idiopathic arthritis | 5.0×10⁻⁷ | CTTNBP2 |
Quick Reference Summary
| Category | Count |
|---|
| Ensembl Transcripts | 44 |
| UniProt Accessions | 20 |
| PDB Structures | 58 |
| ClinVar Variants | 5,919 |
| SpliceAI Predictions | 9,348 |
| AlphaMissense Predictions | 9,721 |
| GO Terms | 51 |
| Reactome Pathways | 11 |
| STRING Interactions | 4,858 |
| IntAct Interactions | 860 |
| TF Regulators | 35 |
| HPO Phenotypes | 103 |
| GWAS Associations | 9 |
| Approved Drugs | 4 |
I’ve compiled a comprehensive cross-database identifier and functional mapping reference for human CFTR (Cystic Fibrosis Transmembrane Conductance Regulator).
Key Highlights:
Core Identifiers
HGNC:1884 | ENSG00000001626 | Entrez:1080 | OMIM:602421
Location: Chromosome 7q31.2 (117,287,120-117,715,971, + strand)
Molecular Resources
44 transcripts (17 protein-coding, canonical: ENST00000003084)
20 UniProt entries (canonical: P13569, 1,480 aa)
58 PDB structures (best resolution: 2.1Å Cryo-EM)
27 exons in canonical transcript
Clinical Significance
5,919 ClinVar variants (100+ pathogenic, 3,000+ VUS)
9,721 AlphaMissense predictions (missense pathogenicity)
9,348 SpliceAI predictions (splice-altering variants)
Drug Targeting
4 FDA-approved drugs: Ivacaftor (potentiator), Lumacaftor, Tezacaftor (correctors), Glyburide
VIP gene in PharmGKB with CPIC dosing guidelines
Disease Associations
Cystic fibrosis (Definitive, autosomal recessive)
103 HPO phenotypes including bronchiectasis, pancreatic insufficiency, male infertility
Associated conditions: CBAVD, chronic pancreatitis, aquagenic keratoderma
Expression Profile
Ubiquitous expression with highest in: pancreas (99.02), gallbladder (96.99), colon (95.77)
4 single-cell datasets (pancreatic islet cells)
Interaction Networks
4,858 STRING interactions, 860 IntAct interactions
Key interactors: NHERF1/2, GOPC, HSP90, STUB1/CHIP
This reference provides researchers with a complete lookup resource covering identifiers, variants, structures, interactions, drugs, and disease associations for CFTR.