FGR (gene)

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FGR proto-oncogene, Src family tyrosine kinase
Symbols FGR ; SRC2; c-fgr; c-src2; p55-Fgr; p55c-fgr; p58-Fgr; p58c-fgr
External IDs OMIM164940 MGI95527 HomoloGene3842 ChEMBL: 4454 GeneCards: FGR Gene
EC number
RNA expression pattern
PBB GE FGR 208438 s at tn.png
More reference expression data
Species Human Mouse
Entrez 2268 14191
Ensembl ENSG00000000938 ENSMUSG00000028874
UniProt P09769 P14234
RefSeq (mRNA) NM_001042729 NM_010208
RefSeq (protein) NP_001036194 NP_034338
Location (UCSC) Chr 1:
27.94 – 27.96 Mb
Chr 4:
132.97 – 133 Mb
PubMed search [1] [2]

Gardner-Rasheed feline sarcoma viral (v-fgr) oncogene homolog, also known as FGR, is a protein which in humans is encoded by the FGR gene.[1][2]


This gene is a member of the Src family of protein tyrosine kinases (PTKs). The encoded protein contains N-terminal sites for myristoylation and palmitoylation, a PTK domain, and SH2 and SH3 domains which are involved in mediating protein-protein interactions with phosphotyrosine-containing and proline-rich motifs, respectively. The protein localizes to plasma membrane ruffles, and functions as a negative regulator of cell migration and adhesion triggered by the beta-2 integrin signal transduction pathway. Infection with Epstein-Barr virus results in the overexpression of this gene. Multiple alternatively spliced variants, encoding the same protein, have been identified.[2]


The feline version of this gene was discovered by Suraiya Rasheed, Murray Gardner, and co-workers.[3]


FGR (gene) has been shown to interact with Wiskott-Aldrich syndrome protein.[4][5][6]


  1. ^ Tronick SR, Popescu NC, Cheah MS, Swan DC, Amsbaugh SC, Lengel CR, DiPaolo JA, Robbins KC (October 1985). "Isolation and chromosomal localization of the human fgr protooncogene, a distinct member of the tyrosine kinase gene family". Proc. Natl. Acad. Sci. U.S.A. 82 (19): 6595–9. doi:10.1073/pnas.82.19.6595. PMC 391256. PMID 2995972. 
  2. ^ a b "Entrez Gene: FGR Gardner-Rasheed feline sarcoma viral (v-fgr) oncogene homolog". 
  3. ^ Rasheed S, Barbacid M, Aaronson S, Gardner MB (February 1982). "Origin and biological properties of a new feline sarcoma virus". Virology 117 (1): 238–44. doi:10.1016/0042-6822(82)90522-0. PMID 6175084. 
  4. ^ Banin, S; Truong O; Katz D R; Waterfield M D; Brickell P M; Gout I (August 1996). "Wiskott-Aldrich syndrome protein (WASp) is a binding partner for c-Src family protein-tyrosine kinases". Curr. Biol. (ENGLAND) 6 (8): 981–8. doi:10.1016/S0960-9822(02)00642-5. ISSN 0960-9822. PMID 8805332. 
  5. ^ Finan, P M; Soames C J; Wilson L; Nelson D L; Stewart D M; Truong O; Hsuan J J; Kellie S (October 1996). "Identification of regions of the Wiskott-Aldrich syndrome protein responsible for association with selected Src homology 3 domains". J. Biol. Chem. (UNITED STATES) 271 (42): 26291–5. doi:10.1074/jbc.271.42.26291. ISSN 0021-9258. PMID 8824280. 
  6. ^ Rivero-Lezcano, O M; Marcilla A; Sameshima J H; Robbins K C (October 1995). "Wiskott-Aldrich syndrome protein physically associates with Nck through Src homology 3 domains". Mol. Cell. Biol. (UNITED STATES) 15 (10): 5725–31. ISSN 0270-7306. PMC 230823. PMID 7565724. 

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