FGFR3 Gene Complete Identifier and Functional Mapping Reference

Provide a comprehensive cross-database identifier and functional mapping reference for human FGFR3. This should serve as a definitive lookup resource …

Provide a comprehensive cross-database identifier and functional mapping reference for human FGFR3. This should serve as a definitive lookup resource for researchers. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 1: GENE IDENTIFIERS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Provide ALL gene-level database identifiers: - HGNC ID and approved symbol - Ensembl gene ID (ENSG) - NCBI Entrez Gene ID - OMIM gene/locus ID - Genomic location: chromosome, start position, end position, strand ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 2: TRANSCRIPT IDENTIFIERS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ List ALL transcript-level identifiers: - Ensembl transcripts: ALL ENST IDs with biotype (protein_coding, etc.) How many total transcripts? - RefSeq transcripts: ALL NM_ mRNA accessions Mark which is MANE Select (canonical clinical standard) - CCDS IDs: ALL consensus coding sequence identifiers For the CANONICAL/MANE SELECT transcript: - List ALL exon IDs (ENSE) with genomic coordinates - Total exon count ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 3: PROTEIN IDENTIFIERS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ List ALL protein-level identifiers: - UniProt accessions: ALL entries (reviewed and unreviewed) Mark the canonical reviewed entry - RefSeq protein: ALL NP_ accessions Protein domains and families: - List ALL annotated domains/families with identifiers - Include: domain name, type (domain/family/superfamily), and ID ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 4: STRUCTURE IDENTIFIERS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Experimental structures: - List ALL PDB structure IDs - For each: experimental method (X-ray, NMR, Cryo-EM) and resolution - Total PDB structure count Predicted structures: - AlphaFold model ID and confidence metrics (pLDDT) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 5: CROSS-SPECIES ORTHOLOGS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ List orthologous genes in key model organisms (where available): - Mouse (Mus musculus): gene ID, symbol - Rat (Rattus norvegicus): gene ID, symbol - Zebrafish (Danio rerio): gene ID, symbol - Fruit fly (Drosophila melanogaster): gene ID, symbol - Worm (C. elegans): gene ID, symbol - Yeast (S. cerevisiae): gene ID, symbol ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 6: CLINICAL VARIANTS & AI PREDICTIONS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Clinical variant annotations: - Total variant count in clinical databases - Breakdown by classification: Pathogenic, Likely Pathogenic, Uncertain Significance (VUS), Likely Benign, Benign - List TOP 50 pathogenic/likely pathogenic variants with: variant ID, HGVS notation, associated condition AI-based variant effect predictions: - Splice effect predictions: Total count List TOP 50 predicted splice-altering variants with delta scores - Missense pathogenicity predictions: Total count List TOP 50 predicted pathogenic missense variants with scores ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 7: BIOLOGICAL PATHWAYS & GENE ONTOLOGY ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Pathway membership: - List ALL biological pathways this gene participates in - Include pathway IDs and names - Total pathway count Gene Ontology annotations: - Biological Process: count and TOP 20 terms with IDs - Molecular Function: count and TOP 20 terms with IDs - Cellular Component: count and TOP 20 terms with IDs ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 8: PROTEIN INTERACTIONS & MOLECULAR NETWORKS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Protein-protein interactions: - Total interaction count - List TOP 50 highest-confidence interacting proteins with scores Protein similarity (evolutionary and structural): - Structural/embedding similarity: How many similar proteins? List TOP 20 with similarity scores - Sequence homology: How many homologous proteins? List TOP 20 with identity/similarity scores ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 9: TRANSCRIPTION FACTOR REGULATORY DATA ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ If this gene encodes a transcription factor: Downstream targets (genes regulated BY this TF): - Total target gene count - List TOP 50 target genes with regulation type (activates/represses) DNA binding profiles: - List ALL known binding motif IDs - Motif family classification Upstream regulators (TFs that regulate THIS gene): - List known transcriptional regulators with evidence type ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 10: DRUG & PHARMACOLOGY DATA ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ If this gene/protein is a drug target: Targeting molecules: - How many drug/compound molecules target this protein? - List TOP 30 molecules by development phase - Include: molecule ID, name, mechanism, highest development phase Clinical trials: - How many clinical trials involve drugs targeting this gene? - List TOP 20 trials with: trial ID, phase, status, intervention Pharmacogenomics: - Known drug-gene interactions affecting drug response - Dosing guidelines if any exist ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 11: EXPRESSION PROFILES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Tissue expression: - Which tissues express this gene most highly? - List TOP 30 tissues with expression scores/levels - Note any tissue-specific or tissue-enriched patterns Cell type expression: - Which cell types show highest expression? - List TOP 30 cell types with expression scores - Note any cell type-specific patterns Single-cell expression data (if available): - Which single-cell datasets/experiments include this gene? - Notable cell population patterns ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 12: DISEASE ASSOCIATIONS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Mendelian/monogenic disease links: - What diseases are caused by mutations in this gene? - List ALL associated diseases with: disease name, disease ID, inheritance pattern, evidence level Phenotype associations: - What clinical phenotypes are associated with this gene? - List TOP 50 phenotype terms with IDs Complex trait associations (GWAS): - What traits/diseases are linked via genome-wide association studies? - List TOP 30 GWAS associations with: trait, study ID, p-value, effect size if available ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ FORMATTING REQUIREMENTS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ - Present each section with clear headers - Use tables for listing multiple items - Always include COUNTS for every category - For lists with >50 items: show total count + TOP 50 - For lists with <50 items: show ALL items - Always include database identifiers (IDs), not just names - Mark canonical/primary/reviewed entries where applicable - If a section has no data available, state "No data available" rather than omitting the section

Structured Data Sources

This answer was generated using Claude Opus 4.5 + BioBTree MCP, querying 36 biological databases.

Further analyze this answer or run your own queries with BioBTree MCP.

Datasets: alphafold, alphamissense, bgee, bgee_evidence, ccds, cellphonedb, chembl_molecule, chembl_target, clinvar, collectri, diamond_similarity, ensembl, entrez, esm2_similarity, exon, gencc, go, gwas, hgnc, hpo, intact, interpro, mim, orphanet, ortholog, pdb, pharmgkb, pharmgkb_gene, reactome, refseq, scxa, signor, spliceai, string_interaction, transcript, uniprot
Generated: 2026-04-01 — For the latest data, query BioBTree directly via MCP or API.
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FGFR3

FGFR3 - Comprehensive Cross-Database Identifier and Functional Mapping Reference

Section 1: Gene Identifiers Core Gene Identifiers

DatabaseIdentifierDescription
HGNCHGNC:3690Approved symbol: FGFR3
EnsemblENSG00000068078Fibroblast growth factor receptor 3
NCBI Entrez2261Gene ID
OMIM134934Gene/Locus MIM number
PharmGKBPA28129VIP Gene
Gene Names and Aliases
TypeValue
Approved NameFibroblast growth factor receptor 3
Previous SymbolsACH
Previous NamesAchondroplasia, thanatophoric dwarfism
AliasesCEK2, JTK4, CD333, HSFGFR3EX
Locus TypeGene with protein product
Gene GroupsReceptor tyrosine kinases, CD molecules, I-set domain containing
Genomic Location
ParameterValue
Chromosome4
Cytogenetic Band4p16.3
Start Position1,793,286 (GRCh38)
End Position1,808,873 (GRCh38)
Strand+ (Forward)
Genomic AccessionNC_000004.12
Gene Length~15.6 kb

Section 2: Transcript Identifiers Ensembl Transcripts (Total: 23)

Transcript IDBiotypeStartEndUTR5UTR3
ENST00000440486protein_coding1,793,2931,808,8671,793,833-1,793,9341,807,263-1,808,867
ENST00000340107protein_coding1,793,2931,808,8671,793,833-1,793,9341,807,263-1,808,867
ENST00000352904protein_coding1,793,8961,807,3221,793,896-1,793,9341,807,263-1,807,322
ENST00000412135protein_coding1,793,2931,808,8721,793,833-1,793,9341,807,263-1,808,872
ENST00000481110protein_coding1,793,3011,808,7911,793,833-1,793,9341,807,289-1,808,791
ENST00000507588protein_coding1,801,4621,803,739--
ENST00000901225protein_coding1,793,2931,808,8731,793,833-1,793,9341,807,263-1,808,873
ENST00000901226protein_coding1,793,7341,808,8731,793,734-1,793,9341,807,263-1,808,873
ENST00000901227protein_coding1,793,7391,808,8691,793,739-1,793,9341,807,263-1,808,869
ENST00000901228protein_coding1,793,7831,808,8701,793,783-1,793,9341,807,263-1,808,870
ENST00000911470protein_coding1,793,2861,808,8711,793,833-1,793,9341,807,263-1,808,871
ENST00000911471protein_coding1,793,2881,808,8711,793,833-1,793,9341,807,263-1,808,871
ENST00000911472protein_coding1,793,2951,808,8701,793,833-1,793,9341,807,263-1,808,870
ENST00000911473protein_coding1,793,2951,808,8671,793,833-1,793,9341,807,263-1,808,867
ENST00000911474protein_coding1,793,8731,808,8711,793,873-1,793,9341,807,263-1,808,871
ENST00000955401protein_coding1,793,2881,808,8721,793,833-1,793,9341,807,263-1,808,872
ENST00000955402protein_coding1,793,2941,808,8651,793,833-1,793,9341,807,263-1,808,865
ENST00000955403protein_coding1,793,6701,808,8641,793,670-1,793,9341,807,263-1,808,864
ENST00000955404protein_coding1,793,7311,808,8671,793,731-1,793,9341,807,263-1,808,867
ENST00000260795nonsense_mediated_decay1,793,3121,807,2751,793,833-1,793,9341,807,116-1,807,275
ENST00000643463protein_coding_CDS_not_defined1,801,9121,804,520--
ENST00000469068retained_intron1,804,4921,805,859--
ENST00000474521retained_intron1,801,6291,803,152--
RefSeq Transcripts (Human - Total: 8 reviewed mRNA)
AccessionTypeStatusMANE Select
NM_000142mRNAREVIEWED✓ YES (Canonical)
NM_001163213mRNAREVIEWEDNo
NM_001354809mRNAREVIEWEDNo
NM_001354810mRNAREVIEWEDNo
NM_022965mRNAREVIEWEDNo
NR_148971ncRNAREVIEWEDNo
XM_006713868-XM_054349268mRNAPREDICTEDNo
CCDS Identifiers (Total: 4)
CCDS IDNotes
CCDS3353Consensus CDS
CCDS3354Consensus CDS
CCDS54706Consensus CDS
CCDS87200Consensus CDS
Exons for Canonical Transcript ENST00000440486 (Total: 18 exons)
Exon IDStartEndLength
ENSE000017443971,793,2931,793,465173 bp
ENSE000015963901,793,8331,794,043211 bp
ENSE000011649021,799,2541,799,523270 bp
ENSE000007781551,799,7471,799,81266 bp
ENSE000009338771,801,3671,801,536170 bp
ENSE000007781571,801,6201,801,743124 bp
ENSE000034943311,801,8351,802,025191 bp
ENSE000007781591,803,6921,803,836145 bp
ENSE000007781601,804,3301,804,520191 bp
ENSE000008430021,804,8241,804,969146 bp
ENSE000035215921,805,3551,805,476122 bp
ENSE000036554961,805,5591,805,669111 bp
ENSE000017682141,805,7501,805,940191 bp
ENSE000016048101,806,0511,806,173123 bp
ENSE000016764831,806,2571,806,32771 bp
ENSE000035751801,806,5461,806,683138 bp
ENSE000035186121,806,8291,806,934106 bp
ENSE000022466261,807,1161,808,8671,752 bp

Section 3: Protein Identifiers UniProt Accessions (Total: 6)

AccessionStatusNotes
P22607✓ Reviewed (Swiss-Prot)Canonical entry
A0A7I2RW32UnreviewedTrEMBL
F8W9L4UnreviewedTrEMBL
I6LM06UnreviewedTrEMBL
Q96T34UnreviewedTrEMBL
X5D2G8UnreviewedTrEMBL
Canonical Protein Properties (P22607)
PropertyValue
Protein NameFibroblast growth factor receptor 3
Length806 amino acids
Molecular Mass87,710 Da
EC Number2.7.10.1 (Receptor protein-tyrosine kinase)
RefSeq Proteins (Human)
AccessionStatusMANE Select
NP_000133REVIEWED✓ YES
NP_001156685REVIEWEDNo
NP_001341738REVIEWEDNo
NP_001341739REVIEWEDNo
NP_075254REVIEWEDNo
Protein Domains and Families (Total: 14)
InterPro IDNameType
IPR000719Prot_kinase_domDomain
IPR001245Ser-Thr/Tyr_kinase_cat_domDomain
IPR003598Ig_sub2Domain
IPR003599Ig_subDomain
IPR007110Ig-like_domDomain
IPR008266Tyr_kinase_ASActive_site
IPR013098Ig_I-setDomain
IPR016248FGF_rcpt_famFamily
IPR017441Protein_kinase_ATP_BSBinding_site
IPR020635Tyr_kinase_cat_domDomain
IPR050122RTKFamily
IPR011009Kinase-like_dom_sfHomologous_superfamily
IPR013783Ig-like_foldHomologous_superfamily
IPR036179Ig-like_dom_sfHomologous_superfamily

Section 4: Structure Identifiers Experimental Structures (Total: 13 PDB entries)

PDB IDTitleMethodResolution
1RY7FGFR3c in complex with FGF1X-RAY3.2 Å
2LZLFGFR3 transmembrane domainNMR-
4K33FGFR3 kinase K650E mutant (thanatophoric dysplasia)X-RAY2.34 Å
6LVMFGFR3 with pyrimidine inhibitorX-RAY2.53 Å
6PNXAsymmetric dimer of FGFR3 kinasesX-RAY2.20 Å
7DHLFGFR3 with pyrimidine inhibitorX-RAY2.57 Å
7YSUFGF23-FGFR3c-αKlotho-HS complexCryo-EM3.2 Å
8UDTFGFR3 with KIN-3248 inhibitorX-RAY2.83 Å
8UDUFGFR3 with Compound 17X-RAY1.74 Å
8UDVFGFR3 V555M with Compound 17X-RAY2.35 Å
9CD7FGFR3 with TYRA-300 inhibitorX-RAY2.53 Å
9D1XFGFR3 with indazole inhibitorX-RAY1.6 Å
9KFUFGFR3 with inhibitor F1X-RAY1.4 Å
AlphaFold Predicted Structure
Model IDSequence LengthGlobal pLDDTHigh-confidence Fraction
AF-P22607616375.2538% (pLDDT > 90)

Section 5: Cross-Species Orthologs

SpeciesGene IDSymbolBiotype
Mouse (Mus musculus)ENSMUSG00000054252Fgfr3protein_coding
Rat (Rattus norvegicus)ENSRNOG00000016818Fgfr3protein_coding
Zebrafish (Danio rerio)ENSDARG00000004782fgfr3protein_coding
Fruit fly (D. melanogaster)No ortholog found--
Worm (C. elegans)No ortholog found--
Yeast (S. cerevisiae)No ortholog found--

Section 6: Clinical Variants & AI Predictions ClinVar Variant Summary (Total: 1,154 variants)

ClassificationCount
Pathogenic36
Likely Pathogenic14
Uncertain Significance (VUS)100+
Conflicting interpretationsMultiple
Likely BenignMultiple
BenignMultiple
TOP 36 Pathogenic Variants
ClinVar IDHGVS NotationProtein ChangeAssociated Condition
16327c.1138G>Ap.Gly380ArgAchondroplasia (most common)
16328c.1138G>Cp.Gly380ArgAchondroplasia
16331c.1948A>Gp.Lys650GluThanatophoric dysplasia II
16341c.1949A>Tp.Lys650MetSADDAN syndrome
16348c.1948A>Cp.Lys650GlnHypochondroplasia
16337c.1620C>Ap.Asn540LysHypochondroplasia
16332c.742C>Tp.Arg248CysCraniosynostosis (Muenke)
16339c.746C>Gp.Ser249CysCraniosynostosis
16329c.1172C>Ap.Ala391GluCrouzon-acanthosis nigricans
16333c.1111A>Tp.Ser371CysThanatophoric dysplasia I
16342c.1118A>Gp.Tyr373CysThanatophoric dysplasia I
16330c.1123G>Tp.Gly375CysSkeletal dysplasia
16359c.1108G>Tp.Gly370CysThanatophoric dysplasia I
16356c.835A>Tp.Ser279CysMuenke syndrome
16334c.2419T>Gp.Ter807GlyStop-loss variant
16335c.2419T>Ap.Ter807ArgStop-loss variant
65562c.2420G>Tp.Ter807LeuStop-loss variant
994395c.2420G>Cp.Ter807SerStop-loss variant
16346c.1950G>Tp.Lys650AsnSkeletal dysplasia
65855c.1949A>Cp.Lys650ThrSkeletal dysplasia
16355c.1862G>Ap.Arg621HisSkeletal dysplasia
1065490c.1954A>Gp.Thr652AlaSkeletal dysplasia
649812c.1052C>Tp.Ser351PheSkeletal dysplasia
1526266c.1043C>Gp.Ser348CysSkeletal dysplasia
65826c.1024G>Tp.Gly342CysSkeletal dysplasia
16336c.2421A>Tp.Ter807CysStop-loss variant
65563c.2421A>Cp.Ter807CysStop-loss variant
16352c.850delp.His284fsFrameshift
1680030c.791C>Tp.Thr264MetSkeletal dysplasia
1680033c.802G>Tp.Gly268CysSkeletal dysplasia
156545c.1637C>Ap.Thr546LysSkeletal dysplasia
16351c.964G>Ap.Glu322LysSkeletal dysplasia
2582275c.1196G>Ap.Arg399HisSkeletal dysplasia
2582277c.1910G>Ap.Gly637GluSkeletal dysplasia
2582278c.2089G>Ap.Gly697SerSkeletal dysplasia
16343t(4;14) translocation-Multiple myeloma
SpliceAI Predictions (Total: 2,609 variants) TOP 20 High-Impact Splice-Altering Variants:
VariantEffectDelta Score
4:1793463:CAG>Cdonor_loss0.99
4:1793466:G>GAdonor_loss0.99
4:1793467:T>Adonor_loss0.99
4:1793831:A>AGacceptor_gain0.99
4:1793832:G>GGacceptor_gain0.99
4:1793597:A>Tdonor_gain0.98
4:1793466:G>GGdonor_gain0.96
4:1793832:GT>Gacceptor_gain0.95
4:1793623:G>GTdonor_gain0.95
4:1793827:CTGTA>Cacceptor_loss0.94
4:1793828:TGTA>Tacceptor_loss0.94
4:1793829:GTA>Gacceptor_loss0.94
4:1793830:TAGT>Tacceptor_loss0.94
4:1793831:A>Cacceptor_loss0.94
4:1793832:G>GAacceptor_loss0.94
4:1793461:GCCAG>Gdonor_gain0.93
4:1793643:G>GTdonor_gain0.93
4:1794039:GGCAG>Gdonor_gain0.97
4:1793622:G>GTdonor_gain0.91
4:1793623:G>Tdonor_gain0.91
AlphaMissense Predictions (Total: 5,213 variants) TOP 50 Predicted Pathogenic Missense Variants:
VariantProtein ChangeAM ScoreClassification
4:1801378:T>AW153R0.999likely_pathogenic
4:1801378:T>CW153R0.999likely_pathogenic
4:1801380:G>CW153C0.999likely_pathogenic
4:1801380:G>TW153C0.999likely_pathogenic
4:1801379:G>CW153S0.997likely_pathogenic
4:1799463:T>GY107D0.996likely_pathogenic
4:1799364:T>AW74R0.994likely_pathogenic
4:1799364:T>CW74R0.994likely_pathogenic
4:1799366:G>CW74C0.994likely_pathogenic
4:1799366:G>TW74C0.994likely_pathogenic
4:1801378:T>GW153G0.991likely_pathogenic
4:1801373:C>GP151R0.991likely_pathogenic
4:1801372:C>TP151S0.989likely_pathogenic
4:1799463:T>AY107N0.986likely_pathogenic
4:1801372:C>AP151T0.983likely_pathogenic
4:1799365:G>CW74S0.978likely_pathogenic
4:1801379:G>TW153L0.976likely_pathogenic
4:1799464:A>CY107S0.972likely_pathogenic
4:1799425:T>CL94P0.969likely_pathogenic
4:1799463:T>CY107H0.968likely_pathogenic
4:1799469:T>AC109S0.965likely_pathogenic
4:1799372:G>CK76N0.963likely_pathogenic
4:1799325:T>CC61R0.947likely_pathogenic
4:1799364:T>GW74G0.943likely_pathogenic
4:1799451:G>CD103H0.943likely_pathogenic
4:1799320:T>CL59P0.938likely_pathogenic
4:1799470:G>AC109Y0.937likely_pathogenic
4:1799458:G>AG105E0.930likely_pathogenic
4:1799326:G>AC61Y0.928likely_pathogenic
4:1799327:T>GC61W0.927likely_pathogenic
4:1799452:A>GD103G0.926likely_pathogenic
4:1801397:T>AM159K0.924likely_pathogenic
4:1799512:T>AV123E0.919likely_pathogenic
4:1799452:A>CD103A0.916likely_pathogenic
4:1799425:T>GL94R0.913likely_pathogenic
4:1801385:G>CR155P0.912likely_pathogenic
4:1799458:G>TG105V0.911likely_pathogenic
4:1799325:T>AC61S0.905likely_pathogenic
4:1801394:G>CR158P0.903likely_pathogenic
4:1799452:A>TD103V0.896likely_pathogenic
4:1801372:C>GP151A0.893likely_pathogenic
4:1799425:T>AL94Q0.893likely_pathogenic
4:1799451:G>TD103Y0.889likely_pathogenic
4:1799469:T>GC109G0.877likely_pathogenic
4:1799371:A>CK76T0.872likely_pathogenic
4:1799505:T>CF121L0.872likely_pathogenic
4:1799457:G>AG105R0.868likely_pathogenic
4:1799453:C>AD103E0.864likely_pathogenic
4:1799370:A>GK76E0.855likely_pathogenic
4:1799470:G>TC109F0.839likely_pathogenic

Section 7: Biological Pathways & Gene Ontology Reactome Pathways (Total: 16)

Pathway IDPathway NameDisease Pathway
R-HSA-190371FGFR3b ligand binding and activationNo
R-HSA-190372FGFR3c ligand binding and activationNo
R-HSA-5654227Phospholipase C-mediated cascade; FGFR3No
R-HSA-5654704SHC-mediated cascade:FGFR3No
R-HSA-5654706FRS-mediated FGFR3 signalingNo
R-HSA-5654710PI-3K cascade:FGFR3No
R-HSA-5654732Negative regulation of FGFR3 signalingNo
R-HSA-109704PI3K CascadeNo
R-HSA-1257604PIP3 activates AKT signalingNo
R-HSA-5673001RAF/MAP kinase cascadeNo
R-HSA-6811558PI5P, PP2A and IER3 Regulate PI3K/AKT SignalingNo
R-HSA-1839130Signaling by activated point mutants of FGFR3Yes
R-HSA-2033515t(4;14) translocations of FGFR3Yes
R-HSA-5655332Signaling by FGFR3 in diseaseYes
R-HSA-8853334Signaling by FGFR3 fusions in cancerYes
R-HSA-2219530Constitutive Signaling by Aberrant PI3K in CancerYes
Gene Ontology Annotations (Total: 32) Biological Process (18 terms)
GO IDTerm Name
GO:0000165MAPK cascade
GO:0001501skeletal system development
GO:0001958endochondral ossification
GO:0002062chondrocyte differentiation
GO:0003416endochondral bone growth
GO:0007259cell surface receptor signaling pathway via JAK-STAT
GO:0007267cell-cell signaling
GO:0008284positive regulation of cell population proliferation
GO:0008543fibroblast growth factor receptor signaling pathway
GO:0010518positive regulation of phospholipase activity
GO:0030282bone mineralization
GO:0035988chondrocyte proliferation
GO:0042531positive regulation of tyrosine phosphorylation of STAT protein
GO:0043410positive regulation of MAPK cascade
GO:0048640negative regulation of developmental growth
GO:0051897positive regulation of PI3K/AKT signaling
GO:0060349bone morphogenesis
GO:0070374positive regulation of ERK1 and ERK2 cascade
GO:0070977bone maturation
GO:1902178fibroblast growth factor receptor apoptotic signaling pathway
Molecular Function (6 terms)
GO IDTerm Name
GO:0004713protein tyrosine kinase activity
GO:0005007fibroblast growth factor receptor activity
GO:0005524ATP binding
GO:0017134fibroblast growth factor binding
GO:0042802identical protein binding
Cellular Component (8 terms)
GO IDTerm Name
GO:0005576extracellular region
GO:0005783endoplasmic reticulum
GO:0005794Golgi apparatus
GO:0005886plasma membrane
GO:0009986cell surface
GO:0030133transport vesicle
GO:0043235receptor complex

Section 8: Protein Interactions & Molecular Networks STRING Protein Interactions (Total: 3,043 interactions) TOP 50 Highest-Confidence Interactors:

UniProt IDGeneInteraction Score
P22607FGFR3 (self)997
P09038FGF2997
Q92913FGF18997
P05230FGF1995
P31371FGF9995
P55075FGF8995
O76093FGF20994
O60258FGF17956
Q9UEF7SLC39A10938
Q9Y6A5TACC3938
Q9GZV9FGFR1OP2937
O15520FGF10932
P11487FGF3932
P42336PIK3CA902
P0DP08CALM1896
P21781FGF7882
Q15672TWIST1881
P10767FGF6879
P12034FGF5878
Q9NP95FGF20877
Q9HCT0FGF22876
P08620FGF4869
O43320FGF16839
O96028FGF14839
P01112HRAS822
Q9NSA1FGF21815
O75410TACC1806
P01111NRAS806
O95750FGF19790
P42771CDKN2A776
Q86Z14PLEKHA8P1774
P13931FGF12769
P23582FGF13764
P02458COL2A1758
Q14623IHH749
P01133EGF733
P35548SP7731
P04637TP53717
P11362FGFR1715
P01116KRAS709
Q13950RUNX2673
P12272PTHLH661
P22455FGFR4647
P29354SRC646
P18443FGFR2645
Q8WU20USP8638
P60484PTEN635
O15266SHOX631
O95359TACC2623
P24385CCND1620
IntAct Protein Interactions (Total: 1,100 interactions) TOP 20 with Confidence Scores:
Interactor GeneInteraction TypeScore
FGFR3 (self-homodimer)phosphorylation reaction0.73
FGFR3 (self)direct interaction0.73
STIM1physical association0.66
FGF1direct interaction0.44
FGF8direct interaction0.44
FGFR2phosphorylation reaction0.44
CDK2physical association0.56
CDKN1Aphysical association0.56
EZH2physical association0.56
JUNphysical association0.56
MYCphysical association0.56
TP53 (indirect via GATA proteins)physical association0.56
ESM2 Structural Similarity (Total: 56 similar proteins) TOP 20 Structurally Similar Proteins:
UniProt IDTop SimilarityAvg Similarity
Q628881.00000.9706
Q69ZK91.00000.9707
P11362 (FGFR1)0.99990.9908
P16092 (FGFR2)0.99990.9910
Q045890.99990.9910
A0JM200.99980.9834
P551440.99980.9833
Q8QFP90.99980.9833
Q498D60.99980.9843
Q031420.99980.9843
P218020.99970.9874
P218030.99970.9882
P184610.99970.9883
O704680.99960.9663
P567410.99960.9668
Q133080.99950.9835
Q141600.99950.9710
A0A8P0N4K00.99950.9705
Q8BKG30.99950.9837
P22607 (self)0.99940.9866
DIAMOND Sequence Similarity (Total: 237 homologs) TOP 20 Sequence Homologs:
UniProt IDTop IdentityBitscore
A0M8S8100.0%2803
A0M8R799.3%2784
P0892279.5%3798
P0858199.8%2813
P0DV8489.1%2845
P1336862.3%2871
G5ED6539.5%744
P2406299.5%2784
P0621399.5%2691
P1512797.8%2774
P1605695.3%2675
P9752395.3%2674
P3591795.9%2650
P9760392.6%2590
P0806997.7%2685
O0877595.2%2575
P3591895.2%2582
P5376792.6%2469
P3596992.6%2469
P1461689.8%2388

Section 9: Transcription Factor Regulatory Data Note: FGFR3 is a receptor tyrosine kinase, NOT a transcription factor. Upstream Regulators (TFs that regulate FGFR3 - CollecTRI data, Total: 18)

TF GeneRegulation TypeConfidence
PROX1ActivationHigh
SRFActivationHigh
TP63-High
TP73-High
ASCL2-High
RUNX2ActivationLow
SHOXActivation-
SP1Unknown-
SP3Unknown-
SP4Unknown-
EGR1Unknown-
STAT1Repression-
DNMT3BRepressionLow
ESR1-Low
NR2F2-Low
SPI1-Low
ZBTB16-Low
ZNF699-Low
SIGNOR Regulatory Interactions (Total: 27)
Entity AEntity BEffectMechanism
FGF1FGFR3up-regulatesbinding
FGF2FGFR3up-regulatesbinding
FGFR3FGFR3up-regulates activityphosphorylation (autophosphorylation)
FGFR3STAT1up-regulates activityphosphorylation
FGFR3STAT3up-regulates activityphosphorylation
FGFR3PTENunknownphosphorylation
FGFR3MAP3K7up-regulates activityphosphorylation
FGFR3TET2down-regulatesphosphorylation/destabilization
FGFR3ICKdown-regulates activityphosphorylation
FGFR3Glo1up-regulates activityphosphorylation
hsa-mir-152-3pFGFR3down-regulatespost-transcriptional
BGJ-398 (Infigratinib)FGFR3down-regulateschemical inhibition
PD173074FGFR3down-regulateschemical inhibition
nintedanibFGFR3down-regulates activitychemical inhibition
pazopanibFGFR3down-regulates activitychemical inhibition
ponatinibFGFR3down-regulates activitychemical inhibition

Section 10: Drug & Pharmacology Data ChEMBL Target Information

Target IDTarget NameType
CHEMBL2742Fibroblast growth factor receptor 3SINGLE PROTEIN
CHEMBL2095217Fibroblast growth factor receptorPROTEIN FAMILY
CHEMBL5291680Protein cereblon/FGFR3PROTEIN-PROTEIN INTERACTION
FDA-Approved Drugs Targeting FGFR3 (Phase 4, Total: 18)
ChEMBL IDDrug NameIndication/Mechanism
CHEMBL3545376ERDAFITINIBSelective FGFR inhibitor (bladder cancer)
CHEMBL1852688INFIGRATINIBSelective FGFR inhibitor (cholangiocarcinoma)
CHEMBL3701238FUTIBATINIBSelective FGFR inhibitor
CHEMBL4297522PEMIGATINIBSelective FGFR inhibitor (cholangiocarcinoma)
CHEMBL1171837PONATINIBMulti-kinase inhibitor (CML)
CHEMBL1287853FEDRATINIBJAK2/FLT3 inhibitor
CHEMBL1289926AXITINIBVEGFR/PDGFR inhibitor (RCC)
CHEMBL1336SORAFENIBMulti-kinase inhibitor (HCC/RCC)
CHEMBL1983268ENTRECTINIBTRKA/B/C, ROS1, ALK inhibitor
CHEMBL24828VANDETANIBVEGFR/EGFR inhibitor (thyroid cancer)
CHEMBL3039504NINTEDANIB ESYLATETriple angiokinase inhibitor
CHEMBL502835NINTEDANIBTriple angiokinase inhibitor (IPF)
CHEMBL3545311BRIGATINIBALK inhibitor
CHEMBL477772PAZOPANIBMulti-kinase inhibitor (RCC/STS)
CHEMBL535SUNITINIBMulti-kinase inhibitor (GIST/RCC)
CHEMBL601719CRIZOTINIBALK/MET/ROS1 inhibitor
CHEMBL608533MIDOSTAURINMulti-kinase inhibitor (AML)
CHEMBL2403108CERITINIBALK inhibitor
CHEMBL5416410DASATINIBBCR-ABL/SRC inhibitor (CML)
Phase 3 Clinical Candidates (Total: 8)
ChEMBL IDDrug Name
CHEMBL223360LINIFANIB
CHEMBL377300BRIVANIB
CHEMBL483158ALISERTIB
CHEMBL491473CEDIRANIB
CHEMBL522892DOVITINIB
CHEMBL603469LESTAURTINIB
PharmGKB Status
FieldValue
PharmGKB IDPA28129
VIP GeneYes
CPIC GuidelinesNo
Associated DrugsBrivanib, Erdafitinib
Cell-Cell Communication (CellPhoneDB, Total: 6 interactions)
Partner A (Ligand)Partner B (Receptor)Classification
FGF1 (P05230)FGFR3 (P22607)Signaling by Fibroblast growth factor
FGF2 (P09038)FGFR3 (P22607)Signaling by Fibroblast growth factor
FGF8 (P55075)FGFR3 (P22607)Signaling by Fibroblast growth factor
FGF9 (P31371)FGFR3 (P22607)Signaling by Fibroblast growth factor
FGF17 (O60258)FGFR3 (P22607)Signaling by Fibroblast growth factor
FGF20 (Q9NP95)FGFR3 (P22607)Signaling by Fibroblast growth factor

Section 11: Expression Profiles Bgee Expression Summary

ParameterValue
GeneENSG00000068078 (FGFR3)
SpeciesHomo sapiens
Expression BreadthUbiquitous
Total Present Calls262
Max Expression Score99.52
TOP 30 Tissues by Expression Score
TissueExpression ScoreQualityRank
Upper leg skin99.52Gold223
Skin of hip99.40Gold281
Upper arm skin99.28Gold338
Gingival epithelium99.13Gold409
Tibia99.08Gold429
Gingiva99.00Gold469
Lateral globus pallidus98.95Gold488
Cervix squamous epithelium98.90Gold514
Dorsal motor nucleus of vagus98.75Gold585
Medial globus pallidus98.73Gold594
Globus pallidus98.69Gold609
Optic nerve (cranial nerve II)98.62Gold646
Skin of abdomen98.58Gold663
Penis98.51Gold695
Inferior olivary complex98.46Gold719
Pharyngeal mucosa98.34Gold776
Pancreatic ductal cell98.32Gold783
Nipple98.31Gold790
Zone of skin98.30Gold792
Squamous epithelium98.23Gold825
Skin of leg98.22Gold829
Ventricular zone (brain)98.19Gold846
Lower esophagus mucosa98.18Gold849
Ventral tegmental area98.08Gold897
Renal medulla97.95Gold955
Medulla oblongata97.84Gold1010
Superior vestibular nucleus97.78Gold1040
Nucleus accumbens97.75Gold1050
Esophagus squamous epithelium97.67Gold1090
Periodontal ligament97.66Gold1090
Notable Expression Patterns
  • Highly expressed in: Skin, epithelial tissues, bone (tibia), brain regions
  • Key tissues for FGFR3 function: Cartilage/bone, brain, skin epithelium Single-Cell Expression Data
Dataset IDDescriptionSpeciesCells
E-HCAD-25Human single cell atlas of substantia nigra (Parkinson's disease study)Homo sapiens39,533

Section 12: Disease Associations Mendelian Disease Associations (GenCC, Total: 39 curated entries)

DiseaseOMIM IDInheritanceEvidence Level
AchondroplasiaOMIM:100800Autosomal dominantDefinitive
Thanatophoric dysplasia type 1OMIM:187600Autosomal dominantDefinitive
Thanatophoric dysplasia type 2OMIM:187601Autosomal dominantDefinitive
HypochondroplasiaOMIM:146000Autosomal dominantDefinitive
Muenke syndromeOMIM:602849Autosomal dominantDefinitive
Crouzon syndrome-acanthosis nigricansOMIM:612247Autosomal dominantDefinitive
CATSHL syndromeOMIM:610474AD/ARDefinitive
SADDAN syndromeOMIM:616482Autosomal dominantStrong
LADD syndrome 2OMIM:620192Autosomal dominantDefinitive
LADD syndrome 1OMIM:149730Autosomal dominantLimited
Orphanet Disease Associations (Total: 13)
Orphanet IDDisease NameTypePhenotype Count
ORPHA:15AchondroplasiaDisease39
ORPHA:429HypochondroplasiaDisease20
ORPHA:1860Thanatophoric dysplasia type 1Clinical subtype40
ORPHA:93274Thanatophoric dysplasia type 2Clinical subtype35
ORPHA:53271Muenke syndromeMalformation syndrome21
ORPHA:93262Crouzon syndrome-acanthosis nigricansMalformation syndrome28
ORPHA:85164CATSHL syndromeDisease4
ORPHA:85165SADDAN syndromeDisease14
ORPHA:2363Lacrimoauriculodentodigital syndromeMalformation syndrome63
ORPHA:794Saethre-Chotzen syndromeMalformation syndrome61
ORPHA:35099Non-syndromic bicoronal craniosynostosisMorphological anomaly11
ORPHA:251576GliosarcomaHistopathological subtype0
ORPHA:251579Giant cell glioblastomaHistopathological subtype0
TOP 50 HPO Phenotype Associations (Total: 338)
HPO IDPhenotype Term
HP:0000006Autosomal dominant inheritance
HP:0000007Autosomal recessive inheritance
HP:0001156Brachydactyly
HP:0000926Platyspondyly
HP:0000256Macrocephaly
HP:0000944Abnormal metaphysis morphology
HP:0000365Hearing impairment
HP:0000470Short neck
HP:0000773Short ribs
HP:0000774Narrow chest
HP:0000248Brachycephaly
HP:0001513Obesity
HP:0000520Proptosis
HP:0000316Hypertelorism
HP:0000327Hypoplasia of the maxilla
HP:0000347Micrognathia
HP:0000175Cleft palate
HP:0000238Hydrocephalus
HP:0001159Syndactyly
HP:0000486Strabismus
HP:0000508Ptosis
HP:0000272Malar flattening
HP:0000218High palate
HP:0000189Narrow palate
HP:0000956Acanthosis nigricans
HP:0000098Tall stature
HP:0000767Pectus excavatum
HP:0000407Sensorineural hearing impairment
HP:0000405Conductive hearing impairment
HP:0000270Delayed cranial suture closure
HP:0000337Broad forehead
HP:0000348High forehead
HP:0001166Arachnodactyly
HP:0000648Optic atrophy
HP:0000505Visual impairment
HP:0000668Hypodontia
HP:0000682Abnormal dental enamel morphology
HP:0000689Dental malocclusion
HP:0000403Recurrent otitis media
HP:0000452Choanal stenosis
HP:0000453Choanal atresia
HP:0000463Anteverted nares
HP:0000369Low-set ears
HP:0000377Abnormal pinna morphology
HP:0001172Abnormal thumb morphology
HP:0000126Hydronephrosis
HP:0000089Renal hypoplasia
HP:0000076Vesicoureteral reflux
HP:0000813Bicornuate uterus
HP:0000131Uterine leiomyoma
GWAS Associations (Total: 6)
Study IDTraitP-valueMapped Gene
GCST002240_3Bladder cancer7.0e-25TACC3
GCST000842_6Bladder cancer4.0e-13TACC3
GCST000639_2Urinary bladder cancer1.0e-11TACC3
GCST006585_940Blood protein levels7.0e-10TACC3-FGFR3
GCST90020028_1391Hip circumference adjusted for BMI7.0e-09TACC3-FGFR3
GCST009391_1311Metabolite levels3.0e-06LETM1

SUMMARY STATISTICS

CategoryCount
Ensembl Transcripts23
RefSeq mRNA (human reviewed)8
CCDS IDs4
Exons (canonical transcript)18
UniProt Entries6
InterPro Domains14
PDB Structures13
Orthologs3 (mouse, rat, zebrafish)
ClinVar Variants1,154
Pathogenic Variants36
SpliceAI Predictions2,609
AlphaMissense Predictions5,213
Reactome Pathways16
GO Terms32
STRING Interactions3,043
IntAct Interactions1,100
ESM2 Similar Proteins56
DIAMOND Homologs237
Upstream TF Regulators18
FDA-Approved Targeting Drugs18
GenCC Disease Associations39
Orphanet Diseases13
HPO Phenotypes338
GWAS Associations6
Bgee Expression Calls262

Generated from BioBTree integrated biological database Data accessed: 2026-04-01 I’ve compiled a comprehensive cross-database identifier and functional mapping reference for FGFR3 (Fibroblast Growth Factor Receptor 3). Key Highlights: Gene Identifiers:

  • HGNC:3690 | Ensembl: ENSG00000068078 | Entrez: 2261 | OMIM: 134934

  • Location: Chr 4p16.3 (1,793,286-1,808,873, + strand) Transcripts & Protein:

  • 23 Ensembl transcripts (19 protein-coding)

  • MANE Select: NM_000142 / NP_000133

  • Canonical UniProt: P22607 (806 aa, 87.7 kDa)

  • 4 CCDS IDs, 18 exons Structures:

  • 13 PDB structures (best resolution: 1.4 Å - 9KFU)

  • AlphaFold model with 75.25 pLDDT Clinical Significance:

  • 1,154 ClinVar variants (36 pathogenic, 14 likely pathogenic)

  • 2,609 SpliceAI predictions, 5,213 AlphaMissense predictions

  • Key hotspot: p.Gly380Arg (causes >98% of achondroplasia) Disease Associations:

  • Achondroplasia (most common skeletal dysplasia)

  • Thanatophoric dysplasia types 1 & 2

  • Hypochondroplasia

  • Muenke syndrome (craniosynostosis)

  • SADDAN syndrome

  • Bladder cancer (somatic mutations) Drug Targeting:

  • 18 FDA-approved drugs target FGFR3

  • Selective FGFR inhibitors: Erdafitinib, Infigratinib, Futibatinib, Pemigatinib Expression:

  • Ubiquitous expression (262 tissue calls)

  • Highest in: skin, bone (tibia), brain regions, epithelial tissues