IL6 (Interleukin-6) - Comprehensive Cross-Database Identifier and Functional Mapping Reference
Section 1: Gene Identifiers
| Database | Identifier | Details |
|---|
| HGNC | HGNC:6018 | Approved symbol: IL6 |
| Approved Name | interleukin 6 | |
| Previous Symbols | IFNB2 | |
| Previous Names | interleukin 6 (interferon, beta 2) | |
| Aliases | IL-6, BSF2, HGF, HSF | |
| Ensembl Gene | ENSG00000136244 | |
| NCBI Entrez Gene | 3569 | |
| OMIM | 147620 | |
| Locus Type | protein-coding gene | |
| Gene Groups | Interleukins, Interleukin 6 type cytokine family | |
| Status | Approved | |
Genomic Location
| Attribute | Value |
|---|
| Chromosome | 7 |
| Cytogenetic Band | 7p15.3 |
| Start Position | 22,725,884 |
| End Position | 22,732,002 |
| Strand | + (positive) |
| Genome Assembly | GRCh38/hg38 |
| Genomic Accession | NC_000007.14 |
Section 2: Transcript Identifiers
Ensembl Transcripts (Total: 10)
| Transcript ID | Biotype | Start | End | Strand | UTR5 | UTR3 |
|---|
| ENST00000258743 | protein_coding | 22,727,200 | 22,731,998 | + | 22727200-22727262 | 22731574-22731998 |
| ENST00000401630 | protein_coding | 22,727,224 | 22,731,729 | + | 22727224-22727262 | 22731574-22731729 |
| ENST00000401651 | protein_coding | 22,727,147 | 22,729,803 | + | 22728693-22728710 | 22729787-22729803 |
| ENST00000404625 | protein_coding | 22,725,884 | 22,732,002 | + | 22727179-22727262 | 22731574-22732002 |
| ENST00000406575 | protein_coding | 22,727,240 | 22,729,815 | + | 22727240-22727262 | 22729787-22729815 |
| ENST00000407492 | protein_coding | 22,727,214 | 22,732,002 | + | 22728693-22728710 | 22731574-22732002 |
| ENST00000426291 | protein_coding | 22,727,147 | 22,729,647 | + | 22727147-22727262 | N/A |
| ENST00000464710 | retained_intron | 22,727,177 | 22,731,202 | + | N/A | N/A |
| ENST00000485300 | protein_coding | 22,727,200 | 22,731,694 | + | 22727200-22727262 | 22731574-22731694 |
| ENST00000964192 | protein_coding | 22,727,198 | 22,731,988 | + | 22727198-22727262 | 22731574-22731988 |
RefSeq Transcripts (Human)
| RefSeq ID | Type | Status | MANE Select |
|---|
| NM_000600 | mRNA | REVIEWED | ✓ Yes |
| NM_001318095 | mRNA | REVIEWED | No |
| NM_001371096 | mRNA | REVIEWED | No |
| XM_005249745 | mRNA | PREDICTED | No |
| XM_054358145 | mRNA | PREDICTED | No |
| XM_054358146 | mRNA | PREDICTED | No |
CCDS IDs (Total: 3)
| CCDS ID |
|---|
| CCDS5375 |
| CCDS83166 |
| CCDS94066 |
Canonical Transcript Exons (ENST00000258743) - Total: 5
| Exon ID | Start | End | Strand | Chromosome |
|---|
| ENSE00003846286 | 22,727,200 | 22,727,281 | + | 7 |
| ENSE00003892968 | 22,727,444 | 22,727,634 | + | 7 |
| ENSE00003681793 | 22,728,693 | 22,728,806 | + | 7 |
| ENSE00003614837 | 22,729,514 | 22,729,660 | + | 7 |
| ENSE00001128385 | 22,731,406 | 22,731,998 | + | 7 |
Section 3: Protein Identifiers
UniProt Accessions (Total: 8)
| UniProt ID | Status | Name |
|---|
| P05231 | Reviewed (Swiss-Prot) | Interleukin-6 (Canonical) |
| A0A8Q3SJL1 | Unreviewed | |
| B4DNV3 | Unreviewed | |
| B5MC14 | Unreviewed | |
| B5MC21 | Unreviewed | |
| B5MCZ3 | Unreviewed | |
| C9J5B0 | Unreviewed | |
| Q75MH2 | Unreviewed | |
Canonical Protein Details (P05231)
| Attribute | Value |
|---|
| Primary Name | Interleukin-6 |
| Alternative Names | B-cell stimulatory factor 2, CTL differentiation factor, Hybridoma growth factor, Interferon beta-2 |
| Sequence Length | 212 amino acids |
| Molecular Mass | 23,718 Da |
RefSeq Proteins (Human)
| RefSeq ID | Type | MANE Select |
|---|
| NP_000591 | protein | ✓ Yes |
| NP_001305024 | protein | No |
| NP_001358025 | protein | No |
| XP_005249802 | predicted_protein | No |
| XP_054214120 | predicted_protein | No |
| XP_054214121 | predicted_protein | No |
Protein Domains and Families (Total: 4)
| InterPro ID | Name | Type |
|---|
| IPR003574 | IL-6-like | Family |
| IPR009079 | 4_helix_cytokine-like_core | Homologous_superfamily |
| IPR030473 | IL6/GCSF/MGF_CS | Conserved_site |
| IPR030474 | IL-6/GCSF/MGF | Family |
Section 4: Structure Identifiers
Experimental Structures - PDB (Total: 17)
| PDB ID | Title | Method | Resolution (Å) |
|---|
| 1ALU | Human Interleukin-6 | X-RAY DIFFRACTION | 1.9 |
| 1IL6 | Human Interleukin-6, NMR, minimized average structure | SOLUTION NMR | - |
| 1P9M | Crystal structure of hexameric human IL-6/IL-6R/gp130 complex | X-RAY DIFFRACTION | 3.65 |
| 2IL6 | Human Interleukin-6, NMR, 32 structures | SOLUTION NMR | - |
| 4CNI | Crystal structure of Fab of Olokizumab in complex with IL-6 | X-RAY DIFFRACTION | 2.2 |
| 4J4L | Modular evolution and design of protein binding interface | X-RAY DIFFRACTION | 2.3 |
| 4NI7 | Human IL-6 in complex with modified nucleotide aptamer | X-RAY DIFFRACTION | 2.4 |
| 4NI9 | Human IL-6 in complex with aptamer FORM 2 | X-RAY DIFFRACTION | 2.55 |
| 4O9H | IL-6 in complex with Camelid Fab fragment | X-RAY DIFFRACTION | 2.42 |
| 4ZS7 | Structural mimicry of receptor interaction by antagonistic antibodies | X-RAY DIFFRACTION | 2.93 |
| 5FUC | Junctional epitope antibody locking IL-6 and gp80 | X-RAY DIFFRACTION | 2.7 |
| 7NXZ | Synthetic glycoform of Human Interleukin 6 | X-RAY DIFFRACTION | 1.998 |
| 8D82 | Cryo-EM structure of human IL-6 signaling complex | ELECTRON MICROSCOPY | 3.22 |
| 8QY5 | Structure of interleukin 6 | ELECTRON MICROSCOPY | 3.1 |
| 8QY6 | Structure of interleukin 6 (gp130 P496L mutant) | ELECTRON MICROSCOPY | 3.16 |
| 8YWQ | Fab fragment of anti-IL-6 antibody I9H with IL-6 dimer | X-RAY DIFFRACTION | 2.51 |
| 8YWR | Fab fragment of anti-IL-6 antibody 68F2 with IL-6 dimer | X-RAY DIFFRACTION | 2.93 |
Predicted Structures - AlphaFold
| AlphaFold ID | Sequence Length | Global pLDDT | Fraction Very High Confidence |
|---|
| P05231 | 1663 | 86.05 | 0.67 (67%) |
Section 5: Cross-Species Orthologs
| Organism | Gene Symbol | Ensembl Gene ID | Chromosome | Position |
|---|
| Mouse (Mus musculus) | Il6 | ENSMUSG00000025746 | 5 | 30,218,112-30,224,979 (+) |
| Rat (Rattus norvegicus) | Il6 | ENSRNOG00000010278 | 4 | 5,889,999-5,894,610 (-) |
| Zebrafish (Danio rerio) | il6 | ENSDARG00000102318 | - | - |
| Fruit fly (D. melanogaster) | - | No ortholog identified | - | - |
| Worm (C. elegans) | - | No ortholog identified | - | - |
| Yeast (S. cerevisiae) | - | No ortholog identified | - | - |
Section 6: Clinical Variants & AI Predictions
ClinVar Variants (Total: 25)
Classification Summary
| Classification | Count |
|---|
| Pathogenic | 0 |
| Likely Pathogenic | 0 |
| Uncertain Significance (VUS) | 14 |
| Likely Benign | 4 |
| Benign | 5 |
| Other/Not Provided | 2 |
All ClinVar Variants
| Variant ID | HGVS Notation | Classification | Review Status |
|---|
| 2245276 | NM_000600.5(IL6):c.119C>A (p.Ala40Asp) | Uncertain significance | criteria provided, single submitter |
| 2303034 | NM_000600.5(IL6):c.620G>C (p.Arg207Thr) | Uncertain significance | criteria provided, single submitter |
| 2406494 | NM_000600.5(IL6):c.285G>C (p.Met95Ile) | Uncertain significance | criteria provided, single submitter |
| 2495660 | NM_000600.5(IL6):c.168A>C (p.Gln56His) | Likely benign | criteria provided, single submitter |
| 2534860 | NM_000600.5(IL6):c.549C>A (p.Asn183Lys) | Uncertain significance | criteria provided, single submitter |
| 3056054 | NM_000600.5(IL6):c.603C>T (p.Phe201=) | Benign | no assertion criteria provided |
| 3285905 | NM_000600.5(IL6):c.326A>G (p.Glu109Gly) | Uncertain significance | criteria provided, single submitter |
| 3860355 | NM_000600.5(IL6):c.533A>C (p.Lys178Thr) | Uncertain significance | criteria provided, single submitter |
| 3860356 | NM_000600.5(IL6):c.218A>G (p.Asn73Ser) | Uncertain significance | criteria provided, single submitter |
| 3860357 | NM_000600.5(IL6):c.586C>A (p.Arg196Ser) | Uncertain significance | criteria provided, single submitter |
| 4038473 | NM_000600.5(IL6):c.422G>T (p.Arg141Ile) | Uncertain significance | criteria provided, single submitter |
| 4038474 | NM_000600.5(IL6):c.163A>G (p.Lys55Glu) | Likely benign | criteria provided, single submitter |
| 4275185 | NM_000600.5(IL6):c.261A>C (p.Glu87Asp) | Uncertain significance | criteria provided, single submitter |
| 4678713 | NM_000600.5(IL6):c.175T>C (p.Tyr59His) | Uncertain significance | criteria provided, single submitter |
| 4678714 | NM_000600.5(IL6):c.470A>C (p.Lys157Thr) | Uncertain significance | criteria provided, single submitter |
| 709119 | NM_000600.5(IL6):c.91C>A (p.Pro31Thr) | Benign | criteria provided, single submitter |
| 717506 | NM_000600.5(IL6):c.183C>T (p.Leu61=) | Likely benign | criteria provided, multiple submitters |
| 768143 | NM_000600.5(IL6):c.94C>T (p.Pro32Ser) | Benign | criteria provided, single submitter |
| 777811 | NM_000600.5(IL6):c.485A>T (p.Asp162Val) | Benign | criteria provided, multiple submitters |
| 14718 | NC_000007.14:g.22727026C>G | Other; risk factor | no assertion criteria provided |
| 14719 | NC_000007.14:g.22726602A>G | Benign | no assertion criteria provided |
SpliceAI Predictions (Total: 526)
TOP 50 Predicted Splice-Altering Variants (Highest Delta Scores)
| Variant | Gene | Effect | Delta Score |
|---|
| 7:22727282:G:GG | IL6 | donor_gain | 0.99 |
| 7:22727279:CAAGT:C | IL6 | donor_loss | 0.96 |
| 7:22727280:AAGT:A | IL6 | donor_loss | 0.96 |
| 7:22727281:AGT:A | IL6 | donor_loss | 0.96 |
| 7:22727283:T:A | IL6 | donor_loss | 0.96 |
| 7:22727279:CAA:C | IL6 | donor_gain | 0.96 |
| 7:22727174:TATA:T | IL6 | acceptor_loss | 0.95 |
| 7:22727176:TA:T | IL6 | acceptor_loss | 0.95 |
| 7:22727177:A:AC | IL6 | acceptor_loss | 0.95 |
| 7:22726053:G:T | IL6 | donor_gain | 0.93 |
| 7:22726256:GAG:G | IL6 | donor_gain | 0.93 |
| 7:22726260:T:A | IL6 | donor_loss | 0.93 |
| 7:22727280:AA:A | IL6 | donor_gain | 0.93 |
| 7:22727277:CACAA:C | IL6 | donor_gain | 0.90 |
| 7:22727278:ACAA:A | IL6 | donor_gain | 0.90 |
| 7:22726261:GAGTA:G | IL6 | donor_loss | 0.90 |
| 7:22726259:G:GG | IL6 | donor_gain | 0.90 |
| 7:22727210:C:CA | IL6 | acceptor_gain | 0.88 |
| 7:22727211:G:GC | IL6 | acceptor_gain | 0.88 |
| 7:22726635:G:GT | IL6 | donor_gain | 0.86 |
| 7:22727172:A:G | IL6 | acceptor_gain | 0.84 |
| 7:22726254:AAGAG:A | IL6 | donor_gain | 0.81 |
| 7:22727177:A:AG | IL6 | acceptor_gain | 0.81 |
| 7:22727178:G:GG | IL6 | acceptor_gain | 0.81 |
| 7:22726262:AGTAG:A | IL6 | donor_loss | 0.77 |
| 7:22727178:GGACT:G | IL6 | acceptor_gain | 0.76 |
| 7:22726145:T:TA | IL6 | donor_gain | 0.75 |
| 7:22726146:A:AA | IL6 | donor_gain | 0.75 |
| 7:22726255:AGAG:A | IL6 | donor_gain | 0.74 |
| 7:22726662:A:G | IL6 | donor_gain | 0.74 |
| 7:22727170:T:G | IL6 | acceptor_loss | 0.72 |
| 7:22726257:AG:A | IL6 | donor_gain | 0.72 |
| 7:22726258:GG:G | IL6 | donor_gain | 0.72 |
| 7:22727173:A:AG | IL6 | acceptor_loss | 0.71 |
| 7:22727168:A:AG | IL6 | acceptor_gain | 0.70 |
| 7:22726723:GAAAC:G | IL6 | donor_gain | 0.70 |
| 7:22727178:GGA:G | IL6 | acceptor_gain | 0.65 |
| 7:22727171:A:AG | IL6 | acceptor_gain | 0.63 |
| 7:22726053:G:GT | IL6 | donor_gain | 0.63 |
| 7:22726724:A:T | IL6 | donor_gain | 0.62 |
| 7:22727219:C:A | IL6 | acceptor_gain | 0.62 |
| 7:22727226:G:T | IL6 | acceptor_gain | 0.59 |
| 7:22726263:G:C | IL6 | donor_loss | 0.58 |
| 7:22727175:ATAG:A | IL6 | acceptor_gain | 0.55 |
| 7:22727139:TGAG:T | IL6 | acceptor_gain | 0.55 |
| 7:22726670:T:TA | IL6 | donor_gain | 0.56 |
| 7:22726671:A:AA | IL6 | donor_gain | 0.56 |
| 7:22726669:G:T | IL6 | donor_gain | 0.55 |
| 7:22726675:T:TG | IL6 | donor_gain | 0.55 |
| 7:22727141:A:T | IL6 | acceptor_gain | 0.51 |
AlphaMissense Predictions (Total: 1,395)
TOP 50 Predicted Pathogenic Missense Variants
| Variant | Protein Change | AM Pathogenicity | Classification |
|---|
| 7:22727473:G:A | G17R | 0.933 | likely_pathogenic |
| 7:22727474:G:A | G17E | 0.891 | likely_pathogenic |
| 7:22727498:C:A | A25D | 0.726 | likely_pathogenic |
| 7:22727477:T:G | L18R | 0.695 | likely_pathogenic |
| 7:22727486:T:A | V21E | 0.681 | likely_pathogenic |
| 7:22727483:T:G | L20R | 0.659 | likely_pathogenic |
| 7:22727500:T:C | F26L | 0.657 | likely_pathogenic |
| 7:22727502:C:A | F26L | 0.657 | likely_pathogenic |
| 7:22727502:C:G | F26L | 0.657 | likely_pathogenic |
| 7:22727477:T:A | L18Q | 0.654 | likely_pathogenic |
| 7:22727471:T:A | L16Q | 0.631 | likely_pathogenic |
| 7:22727471:T:G | L16R | 0.631 | likely_pathogenic |
| 7:22727477:T:C | L18P | 0.628 | likely_pathogenic |
| 7:22727480:T:G | L19R | 0.609 | likely_pathogenic |
| 7:22727464:T:C | F14L | 0.600 | likely_pathogenic |
| 7:22727466:C:A | F14L | 0.600 | likely_pathogenic |
| 7:22727466:C:G | F14L | 0.600 | likely_pathogenic |
| 7:22727473:G:T | G17W | 0.595 | likely_pathogenic |
| 7:22727480:T:A | L19H | 0.585 | likely_pathogenic |
| 7:22727449:T:C | F9L | 0.550 | ambiguous |
| 7:22727451:C:A | F9L | 0.550 | ambiguous |
| 7:22727451:C:G | F9L | 0.550 | ambiguous |
| 7:22727459:T:A | V12D | 0.519 | ambiguous |
| 7:22727471:T:C | L16P | 0.454 | ambiguous |
| 7:22727480:T:C | L19P | 0.452 | ambiguous |
| 7:22727495:C:A | A24D | 0.450 | ambiguous |
| 7:22727483:T:C | L20P | 0.432 | ambiguous |
| 7:22727461:G:C | A13P | 0.406 | ambiguous |
| 7:22727498:C:T | A25V | 0.405 | ambiguous |
| 7:22727497:G:C | A25P | 0.398 | ambiguous |
| 7:22727465:T:C | F14S | 0.380 | ambiguous |
| 7:22727492:C:G | P23R | 0.379 | ambiguous |
| 7:22727501:T:G | F26C | 0.343 | ambiguous |
| 7:22727492:C:A | P23H | 0.341 | ambiguous |
| 7:22727465:T:A | F14Y | 0.344 | ambiguous |
| 7:22727468:C:A | S15Y | 0.324 | likely_benign |
| 7:22727497:G:A | A25T | 0.320 | likely_benign |
| 7:22727453:G:A | G10D | 0.299 | likely_benign |
| 7:22727501:T:C | F26S | 0.287 | likely_benign |
| 7:22727462:C:T | A13V | 0.287 | likely_benign |
| 7:22727462:C:A | A13D | 0.780 | likely_pathogenic |
| 7:22727274:G:A | A13T | 0.274 | likely_benign |
Section 7: Biological Pathways & Gene Ontology
Reactome Pathways (Total: 11)
| Pathway ID | Pathway Name | Disease Pathway |
|---|
| R-HSA-1059683 | Interleukin-6 signaling | No |
| R-HSA-110056 | MAPK3 (ERK1) activation | No |
| R-HSA-112411 | MAPK1 (ERK2) activation | No |
| R-HSA-2559582 | Senescence-Associated Secretory Phenotype (SASP) | No |
| R-HSA-381426 | Regulation of IGF transport and uptake by IGFBPs | No |
| R-HSA-6783783 | Interleukin-10 signaling | No |
| R-HSA-6785807 | Interleukin-4 and Interleukin-13 signaling | No |
| R-HSA-8853884 | Transcriptional Regulation by VENTX | No |
| R-HSA-8957275 | Post-translational protein phosphorylation | No |
| R-HSA-9660821 | ADORA2B mediated anti-inflammatory cytokines production | Yes |
| R-HSA-9662834 | CD163 mediating an anti-inflammatory response | Yes |
Gene Ontology Annotations (Total: 97)
Biological Process (Count: 83) - TOP 20
| GO ID | Term |
|---|
| GO:0006953 | acute-phase response |
| GO:0006954 | inflammatory response |
| GO:0006959 | humoral immune response |
| GO:0007259 | cell surface receptor signaling pathway via JAK-STAT |
| GO:0019221 | cytokine-mediated signaling pathway |
| GO:0070102 | interleukin-6-mediated signaling pathway |
| GO:0002675 | positive regulation of acute inflammatory response |
| GO:0008284 | positive regulation of cell population proliferation |
| GO:0008285 | negative regulation of cell population proliferation |
| GO:0032755 | positive regulation of interleukin-6 production |
| GO:0042102 | positive regulation of T cell proliferation |
| GO:0043066 | negative regulation of apoptotic process |
| GO:0050871 | positive regulation of B cell activation |
| GO:0045944 | positive regulation of transcription by RNA polymerase II |
| GO:0043410 | positive regulation of MAPK cascade |
| GO:0046427 | positive regulation of receptor signaling pathway via JAK-STAT |
| GO:0032760 | positive regulation of tumor necrosis factor production |
| GO:0051607 | defense response to virus |
| GO:0097421 | liver regeneration |
| GO:0030168 | platelet activation |
Molecular Function (Count: 4)
| GO ID | Term |
|---|
| GO:0005125 | cytokine activity |
| GO:0005138 | interleukin-6 receptor binding |
| GO:0008083 | growth factor activity |
| GO:0042802 | identical protein binding |
Cellular Component (Count: 5)
| GO ID | Term |
|---|
| GO:0005576 | extracellular region |
| GO:0005615 | extracellular space |
| GO:0005788 | endoplasmic reticulum lumen |
| GO:0005896 | interleukin-6 receptor complex |
Section 8: Protein Interactions & Molecular Networks
STRING Protein-Protein Interactions (Total: 9,188)
TOP 50 Highest-Confidence Interacting Proteins
| Partner UniProt | Partner Gene | Confidence Score |
|---|
| P05231 | IL6 (self) | 999 |
| P08887 | IL6R | 999 |
| P01585 | IFNB1 | 999 |
| P08700 | IL3 | 998 |
| P14778 | IL1R1 | 997 |
| P19438 | TNFRSF1A | 997 |
| P40189 | IL6ST | 997 |
| P01584 | IL1B | 990 |
| P15248 | IL9 | 990 |
| P01375 | TNF | 989 |
| P22301 | IL10 | 988 |
| P13232 | CXCL1 | 984 |
| P01579 | IFNG | 982 |
| P05112 | IL4 | 979 |
| P05113 | IL5 | 977 |
| P10145 | CXCL8 | 977 |
| P01583 | IL1A | 975 |
| P09919 | CSF3 | 972 |
| P29597 | TYK2 | 972 |
| O00206 | TLR4 | 971 |
| P02741 | CRP | 969 |
| Q16552 | IL17A | 969 |
| P01730 | CD4 | 967 |
| P40763 | STAT3 | 965 |
| P23458 | JAK1 | 960 |
| P20809 | IL11 | 957 |
| P13500 | CCL2 | 954 |
| O60674 | JAK2 | 953 |
| Q14116 | IL18 | 953 |
| P01023 | A2M | 950 |
| P04141 | CSF2 | 945 |
| P78397 | STAT4 | 945 |
| P00533 | EGFR | 943 |
| P19838 | NFKB1 | 943 |
| P42224 | STAT1 | 941 |
| O60603 | TLR2 | 939 |
| P45983 | MAPK8 | 938 |
| P09341 | CXCL1 | 936 |
| P01308 | INS | 933 |
| P01137 | TGFB1 | 932 |
| P01732 | CD8A | 931 |
| P05362 | ICAM1 | 931 |
| P14780 | MMP9 | 931 |
| P35225 | IL13 | 930 |
| P35354 | PTGS2 | 927 |
| P81172 | TSLP | 927 |
| P02768 | ALB | 926 |
| P02778 | CXCL10 | 924 |
| P01562 | IFNA1 | 923 |
| P21583 | SCF | 921 |
IntAct Interactions (Total: 35)
| Interaction ID | Partner A | Partner B | Type | Confidence |
|---|
| EBI-1036752 | IL6 | IL6R | physical association | 0.910 |
| EBI-25299566 | IL6R | IL6 | direct interaction | 0.910 |
| EBI-52314950 | IL6ST | IL6 | association | 0.840 |
| EBI-64053718 | IL6 | IL6ST | physical association | 0.840 |
| EBI-25299674 | IL6 | SORL1 | direct interaction | 0.570 |
| EBI-25396627 | SORT1 | IL6 | direct interaction | 0.570 |
| EBI-52312386 | IL6 | IL6 | direct interaction | 0.560 |
| EBI-6592703 | IL6 | ZBTB16 | proximity | 0.520 |
| EBI-13915421 | FAM20C | IL6 | phosphorylation reaction | 0.440 |
| EBI-64053738 | IL6 | MUSK | physical association | 0.400 |
| EBI-64053678 | FCGR3B | IL6 | physical association | 0.400 |
Protein Similarity - ESM2 Structural/Embedding (Total: 60)
TOP 20 Structurally Similar Proteins
| UniProt ID | Similarity Count | Top Similarity | Avg Similarity |
|---|
| P26892 | 50 | 1.0000 | 0.9926 |
| P79341 | 50 | 1.0000 | 0.9943 |
| Q2MH06 | 50 | 1.0000 | 0.9924 |
| Q5I6E3 | 50 | 1.0000 | 0.9943 |
| Q6V919 | 50 | 1.0000 | 0.9924 |
| P05231 | 50 | 0.9999 | 0.9944 |
| P29455 | 50 | 0.9999 | 0.9933 |
| P46650 | 50 | 0.9999 | 0.9944 |
| P51494 | 50 | 0.9999 | 0.9945 |
| P54349 | 50 | 0.9999 | 0.9929 |
| Q28319 | 50 | 0.9999 | 0.9930 |
| Q865W7 | 50 | 0.9999 | 0.9942 |
| Q865X6 | 50 | 0.9999 | 0.9941 |
| O02814 | 50 | 0.9998 | 0.9930 |
| Q9TU27 | 50 | 0.9998 | 0.9933 |
| Q28747 | 50 | 0.9997 | 0.9929 |
| P48091 | 50 | 0.9997 | 0.9924 |
| Q865Y2 | 50 | 0.9997 | 0.9926 |
| Q9XT80 | 50 | 0.9997 | 0.9932 |
| P15018 | 50 | 0.9996 | 0.9896 |
Protein Similarity - DIAMOND Sequence Homology (Total: 28)
TOP 20 Homologous Proteins
| UniProt ID | Identity (%) | Bitscore |
|---|
| Q2MH06 | 100.0 | 403 |
| Q6V919 | 100.0 | 403 |
| P79341 | 99.5 | 401 |
| P26892 | 99.0 | 400 |
| Q5I6E3 | 99.5 | 400 |
| Q865W7 | 98.6 | 405 |
| Q865X6 | 98.6 | 403 |
| P51494 | 98.6 | 398 |
| P46650 | 98.1 | 396 |
| P05231 | 96.7 | 388 |
| Q25BC2 | 95.7 | 383 |
| P41323 | 95.7 | 380 |
| Q9XT80 | 96.6 | 382 |
| Q28747 | 96.6 | 380 |
| P20607 | 85.3 | 362 |
| P08505 | 85.3 | 360 |
| Q8MKH0 | 87.7 | 350 |
| Q28819 | 82.1 | 333 |
| A3FBE9 | 96.0 | 330 |
| P26893 | 82.0 | 330 |
Section 9: Transcription Factor Regulatory Data
Note: IL6 is NOT a transcription factor. However, it regulates gene expression indirectly through signaling cascades.
Downstream Targets (Genes Regulated BY IL6 Signaling) - Total: 8
| Target Gene | Regulation Type |
|---|
| CXCL8 | Activation |
| GCH1 | Repression |
| HAMP | Activation |
| IL10 | Activation |
| IL1B | Activation |
| NOS2 | Activation |
| TNF | Activation |
| VTCN1 | Activation |
Upstream Regulators (TFs That Regulate IL6) - Total: 169
TOP 50 Transcription Factors Regulating IL6 (High Confidence)
| TF Gene | Regulation | Confidence |
|---|
| NFKB1 | Activation | High |
| NFKB | Activation | High |
| RELA | Activation | High |
| STAT3 | Activation | High |
| SP1 | Activation | High |
| JUN | Activation | High |
| JUNB | Activation | High |
| JUND | Activation | High |
| FOS | Activation | Low |
| FOSL1 | Activation | High |
| AP1 | Activation | High |
| CEBPB | Activation | High |
| CEBPD | Activation | High |
| CREB1 | Activation | High |
| ATF1 | Activation | High |
| ATF2 | Activation | High |
| ATF3 | Activation | High |
| HIF1A | Activation | Low |
| HSF1 | Activation | High |
| IRF1 | Activation | High |
| SPI1 | Activation | High |
| KLF4 | Activation | High |
| MEF2A | Activation | High |
| TP53 | Activation | High |
| TP63 | Activation | High |
| RORC | Activation | High |
| RBPJ | Activation | High |
| ESR1 | Activation | High |
| FOXO1 | Activation | High |
| NR3C1 | Repression | High |
| BCL6 | Repression | High |
| BACH1 | Repression | High |
| NFE2L2 | Repression | High |
| STAT1 | Repression | High |
| PRDM1 | Repression | High |
| PPARG | Repression | High |
| SMAD3 | Repression | High |
| SMAD7 | Repression | High |
| NR1D1 | Repression | High |
| NFAT5 | Repression | High |
| EGR1 | Repression | High |
| CEBPG | Repression | High |
| REL | Repression | High |
| DDIT3 | Activation | High |
| GBX2 | Activation | High |
| NKX2-1 | Activation | - |
| NKX6-1 | Activation | - |
| TNF | Activation | - |
| IL1B | Activation | - |
| TLR4 | Activation | - |
Section 10: Drug & Pharmacology Data
ChEMBL Target Information
| Attribute | Value |
|---|
| ChEMBL Target ID | CHEMBL1795129 |
| Target Name | Interleukin-6 |
| Target Type | SINGLE PROTEIN |
Targeting Molecules (Total: 100+)
TOP 30 Molecules by Development Phase
| ChEMBL ID | Name | Type | Highest Development Phase |
|---|
| CHEMBL131 | PREDNISOLONE | Small molecule | Phase 4 (Approved) |
| CHEMBL3137316 | FOSDAGROCORAT | Small molecule | Phase 2 |
| CHEMBL3358954 | BI 653048 | Small molecule | Phase 1 |
| CHEMBL273019 | BERGENIN | Small molecule | Natural product (-1) |
| CHEMBL4648362 | GSK789 | Unknown | Phase 0 |
| CHEMBL478482 | - | Small molecule | Phase 0 |
| CHEMBL2391027 | - | Small molecule | Phase 0 |
| CHEMBL3647440-48 | Various compounds | Small molecule | Preclinical |
PharmGKB Drug-Gene Interactions (Total: 45)
Key Drugs with IL6 Associations
| PharmGKB ID | Drug Name | Type | Clinical Annotations | Variant Annotations |
|---|
| PA165292659 | Tocilizumab | Drug | 6 | 23 |
| PA449515 | Etanercept | Drug | 15 | 99 |
| PA452639 | Infliximab | Drug | 21 | 128 |
| PA10004 | Adalimumab | Drug | 18 | 118 |
| PA164713366 | TNF-alpha Inhibitors | Drug Class | 122 | 508 |
| PA451578 | Tacrolimus | Drug | 82 | 1120 |
| PA449167 | Cyclosporine | Drug | 26 | 157 |
| PA128406956 | Fluorouracil | Drug | 197 | 1031 |
| PA449014 | Cisplatin | Drug | 123 | 541 |
| PA449383 | Docetaxel | Drug | 81 | 247 |
| PA448497 | Aspirin | Drug | 79 | 317 |
| PA450085 | Irinotecan | Prodrug | 54 | 434 |
| PA450550 | Morphine | Drug | 43 | 263 |
| PA451241 | Ribavirin | Drug | 46 | 346 |
| PA164749390 | Peginterferon alfa-2a | Drug | 31 | 211 |
| PA452618 | Opioids | Drug Class | 288 | 1395 |
| PA449599 | Fentanyl | Drug | 48 | 252 |
| PA10066 | Duloxetine | Drug | 73 | 101 |
| PA449594 | Fenofibrate | Drug | 17 | 51 |
| PA451250 | Rifampin | Drug | 24 | 182 |
Section 11: Expression Profiles
Bgee Expression Summary
| Attribute | Value |
|---|
| Gene | IL6 (ENSG00000136244) |
| Species | Homo sapiens |
| Expression Breadth | Ubiquitous |
| Total Present Calls | 200 |
| Maximum Expression Score | 97.93 |
Tissue Expression (TOP 30 by Expression Score)
| Anatomical Entity | Expression | Score | Rank |
|---|
| Cartilage tissue | present | 97.93 | 967 |
| Vena cava | present | 97.56 | 1,140 |
| Gall bladder | present | 95.33 | 2,180 |
| Left uterine tube | present | 90.82 | 4,280 |
| Omental fat pad | present | 90.73 | 4,320 |
| Peritoneum | present | 90.67 | 4,350 |
| Primordial germ cell in gonad | present | 89.10 | 5,080 |
| Smooth muscle tissue | present | 88.29 | 5,460 |
| Mucosa of urinary bladder | present | 88.17 | 5,520 |
| Adipose tissue of abdominal region | present | 88.10 | 5,550 |
| Upper lobe of left lung | present | 87.97 | 5,610 |
| Upper lobe of lung | present | 86.39 | 6,350 |
| Islet of Langerhans | present | 85.77 | 6,640 |
| Male germ line stem cell | present | 85.43 | 6,790 |
| Olfactory segment of nasal mucosa | present | 85.18 | 6,910 |
| Vermiform appendix | present | 84.69 | 7,140 |
| Lung | present | 82.98 | 7,940 |
| Trachea | present | 81.48 | 8,640 |
| Ascending aorta | present | 81.29 | 8,720 |
| Thoracic aorta | present | 80.79 | 8,960 |
| Right atrium auricular region | present | 80.78 | 8,960 |
| Pericardium | present | 80.09 | 9,280 |
| Cardiac atrium | present | 79.75 | 9,440 |
| Lower lobe of lung | present | 78.93 | 9,820 |
| Muscle layer of sigmoid colon | present | 78.51 | 10,000 |
| Lymph node | present | 78.34 | 10,100 |
| Caecum | present | 78.25 | 10,100 |
| Seminal vesicle | present | 78.19 | 10,200 |
| Mucosa of stomach | present | 77.88 | 10,300 |
| Rectum | present | 76.94 | 10,800 |
Single-Cell Expression Data
| Dataset ID | Description | Species | Cell Count |
|---|
| E-CURD-10 | Single-cell transcriptome profiling for metastatic renal cell carcinoma patient-derived cells and xenografts | Homo sapiens | 118 |
| E-MTAB-8142 | Single cell RNA-seq of human breast skin cells | Homo sapiens | 809,675 |
Section 12: Disease Associations
Mendelian/Monogenic Disease Links
GenCC - Gene Curation Coalition
| Disease | Classification | Inheritance | Submitter |
|---|
| Kaposi sarcoma, susceptibility to (OMIM:148000) | Definitive | Autosomal dominant | G2P |
Orphanet Rare Disease
| Orphanet ID | Disease Name | Type | Associated Genes |
|---|
| 85414 | Systemic-onset juvenile idiopathic arthritis | Disease | 4 genes |
Phenotype Associations - HPO (Total: 50)
| HPO ID | Phenotype |
|---|
| HP:0000006 | Autosomal dominant inheritance |
| HP:0001945 | Fever |
| HP:0001369 | Arthritis |
| HP:0002829 | Arthralgia |
| HP:0001386 | Joint swelling |
| HP:0005681 | Juvenile rheumatoid arthritis |
| HP:0001744 | Splenomegaly |
| HP:0002240 | Hepatomegaly |
| HP:0002716 | Lymphadenopathy |
| HP:0002664 | Neoplasm |
| HP:0100726 | Kaposi's sarcoma |
| HP:0001824 | Weight loss |
| HP:0000969 | Edema |
| HP:0000988 | Skin rash |
| HP:0002960 | Autoimmunity |
| HP:0011227 | Elevated circulating C-reactive protein concentration |
| HP:0003565 | Elevated erythrocyte sedimentation rate |
| HP:0003281 | Increased circulating ferritin concentration |
| HP:0000819 | Diabetes mellitus |
| HP:0005978 | Type II diabetes mellitus |
| HP:0000855 | Insulin resistance |
| HP:0003074 | Hyperglycemia |
| HP:0001993 | Ketoacidosis |
| HP:0002591 | Polyphagia |
| HP:0001959 | Polydipsia |
| HP:0000103 | Polyuria |
| HP:0000938 | Osteopenia |
| HP:0001701 | Pericarditis |
| HP:0002202 | Pleural effusion |
| HP:0004890 | Elevated pulmonary artery pressure |
| HP:0002014 | Diarrhea |
| HP:0002027 | Abdominal pain |
| HP:0002037 | Inflammation of the large intestine |
| HP:0100279 | Ulcerative colitis |
| HP:0100280 | Crohn's disease |
| HP:0005214 | Intestinal obstruction |
| HP:0100819 | Intestinal fistula |
| HP:0011107 | Recurrent aphthous stomatitis |
| HP:0032154 | Aphthous ulcer |
| HP:0012122 | Anterior uveitis |
| HP:0000099 | Glomerulonephritis |
| HP:0002408 | Cerebral arteriovenous malformation |
| HP:0033430 | Non-infectious meningitis |
| HP:0001510 | Growth delay |
| HP:0001034 | Hypermelanotic macule |
| HP:0001442 | Typified by somatic mosaicism |
| HP:0010982 | Polygenic inheritance |
| HP:0003584 | Late onset |
| HP:0031819 | Increased waist to hip ratio |
| HP:0410050 | Decreased level of 1,5 anhydroglucitol in serum |
GWAS Associations (Total: 27)
| Study ID | Disease/Trait | Mapped Gene | p-value |
|---|
| GCST006629_9 | Pulse pressure | IL6-AS1, STEAP1B, IL6 | 2×10⁻²⁵ |
| GCST007269_116 | Pulse pressure | IL6 | 2×10⁻¹⁹ |
| GCST010043_154 | Asthma | IL6-AS1, IL6, STEAP1B | 4×10⁻¹⁴ |
| GCST007614_15 | C-reactive protein levels | STEAP1B | 8×10⁻¹⁴ |
| GCST000933_2 | C-reactive protein | STEAP1B | 4×10⁻¹¹ |
| GCST008474_7 | Peripheral artery disease | IL6 - MTCYBP42 | 4×10⁻¹¹ |
| GCST009798_72 | Asthma | IL6-AS1, IL6, STEAP1B | 3×10⁻¹⁰ |
| GCST007995_51 | Asthma (childhood onset) | IL6 - MTCYBP42 | 5×10⁻¹⁰ |
| GCST008916_85 | Asthma | MTCYBP42 - TOMM7 | 1×10⁻⁹ |
| GCST003425_1 | Longevity | IL6 | 2×10⁻⁹ |
| GCST008362_83 | Birth weight | STEAP1B | 2×10⁻⁹ |
| GCST008363_65 | Offspring birth weight | MTCYBP42 - TOMM7 | 2×10⁻⁹ |
| GCST002147_24 | Fibrinogen | TOMM7 | 7×10⁻⁹ |
| GCST006575_49 | Takayasu arteritis | IL6 | 7×10⁻⁹ |
| GCST009870_24 | Calcific aortic valve stenosis | IL6 | 1×10⁻⁸ |
| GCST001066_8 | Dialysis-related mortality | STEAP1B | 4×10⁻⁶ |
| GCST008601_3 | Longevity (age >99th percentile) | IL6 | 1×10⁻⁸ |
| GCST008600_5 | Longevity (age >90th percentile) | IL6 | 5×10⁻⁸ |
| GCST003137_1 | Cerebrospinal fluid clusterin levels in APOEe4- carriers | IL6-AS1, STEAP1B, IL6 | 7×10⁻⁸ |
| GCST007800_15 | Asthma (childhood onset) | IL6 - MTCYBP42 | 3×10⁻⁸ |
| GCST005528_19 | Juvenile idiopathic arthritis | MTCYBP42 - TOMM7 | 3×10⁻⁸ |
| GCST006575_18 | Takayasu arteritis | IL6 | 2×10⁻⁷ |
| GCST009597_173 | Multiple sclerosis | IL6 - MTCYBP42 | 8×10⁻⁷ |
| GCST007798_107 | Asthma | IL6 - MTCYBP42 | 3×10⁻⁶ |
| GCST008363_64 | Offspring birth weight | STEAP1B | 6×10⁻⁷ |
| GCST007994_10 | Asthma (age of onset) | IL6 - MTCYBP42 | 8×10⁻⁶ |
SUMMARY STATISTICS
| Category | Count |
|---|
| Gene Identifiers | 7 databases |
| Ensembl Transcripts | 10 |
| RefSeq Transcripts (Human) | 6 |
| CCDS IDs | 3 |
| Exons (canonical) | 5 |
| UniProt Entries | 8 |
| Protein Domains | 4 |
| PDB Structures | 17 |
| Cross-species Orthologs | 3 |
| ClinVar Variants | 25 |
| SpliceAI Predictions | 526 |
| AlphaMissense Predictions | 1,395 |
| Reactome Pathways | 11 |
| GO Annotations | 97 |
| STRING Interactions | 9,188 |
| IntAct Interactions | 35 |
| ESM2 Similar Proteins | 60 |
| DIAMOND Homologs | 28 |
| TFs Regulating IL6 | 169 |
| ChEMBL Targeting Molecules | 100+ |
| PharmGKB Drug Associations | 45 |
| Tissue Expression Calls | 200 |
| HPO Phenotypes | 50 |
| GWAS Associations | 27 |
Reference compiled from biobtree integrated biological databases. Data current as of database versions indexed.