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50 sources retrieved · Most recent: April 2026 · Index updated 14 days ago
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SRC
SRC proto-oncogene, non-receptor tyrosine kinase
Chromosome 20 · 20q11.23
NCBI Gene: 6714Ensembl: ENSG00000197122.14HGNC: HGNC:11283UniProt: P12931
1,512PubMed Papers
21Diseases
11Drugs
2Pathogenic Variants
FUNCTIONAL ROLE
Hub GeneKinaseOncogene
RESEARCH IMPACT
Highly Studied
CLINICAL
FDA Approved TargetOMIM Disease Gene
DATA QUALITY
✓ Experimental GO Evidence✓ Swiss-Prot Reviewed
negative regulation of transcription by RNA polymerase IIvasodilationpeptidyl-tyrosine phosphorylationprotein kinase activitycancerchronic myelogenous leukemiaactinic keratosisacute lymphoblastic leukemia
✦AI Summary

SRC encodes a non-receptor protein tyrosine kinase that functions as a central hub in multiple signal transduction pathways regulating cellular proliferation, differentiation, motility, and survival 1. Under normal conditions, SRC activity is suppressed by phosphorylation on its carboxy-terminal tail by CSK kinase, but various cellular stimuli or mutations can activate its endogenous kinase activity 2. SRC activation involves multiple intracellular pathways and can result in morphological changes and cell proliferation 2. The protein shows elevated expression and activity in numerous human cancers, including colon, liver, lung, breast, and pancreatic tumors, with activation documented in upwards of 50% of these malignancies 13. SRC appears to be a critical component of oncogenic processes including proliferation, survival, metastasis, and angiogenesis 4. In neuroblastoma, simultaneous expression of the FAK-Src-Paxillin protein system correlates with unfavorable prognosis and increased mortality 5. SRC can also interact with AMPK signaling pathways in cancer cells, where AMPK serves as an upstream regulator of SRC activation 6. Due to its important role in oncogenic processes, SRC represents a promising therapeutic target for cancer treatment 47.

Sources cited
1
SRC is normally suppressed by CSK phosphorylation and can be activated by cellular stimuli or mutations
PMID: 8960354
2
SRC functions as a hub in signal transduction cascades and is activated in 50% of certain cancers
PMID: 15060621
3
SRC is overexpressed and highly activated in various human cancers
PMID: 11114744
4
SRC is critical for oncogenic processes including proliferation, survival, metastasis, and angiogenesis
PMID: 15380511
5
FAK-Src-Paxillin system expression correlates with poor prognosis in neuroblastoma
PMID: 29040002
6
AMPK serves as upstream regulator of SRC signaling in cancer cells
PMID: 31515527
7
SRC represents a therapeutic target based on its clinical significance in human neoplasia
PMID: 22473690
Disease Associationsⓘ21
cancerOpen Targets
0.63Moderate
chronic myelogenous leukemiaOpen Targets
0.59Moderate
actinic keratosisOpen Targets
0.57Moderate
acute lymphoblastic leukemiaOpen Targets
0.55Moderate
neoplasmOpen Targets
0.55Moderate
Noonan syndromeOpen Targets
0.53Moderate
medullary thyroid gland carcinomaOpen Targets
0.52Moderate
Rare hemorrhagic disorder due to a constitutional platelet anomalyOpen Targets
0.51Moderate
hypertrophic cardiomyopathyOpen Targets
0.50Moderate
Costello syndromeOpen Targets
0.50Moderate
cutaneous LeishmaniasisOpen Targets
0.46Moderate
non-small cell lung carcinomaOpen Targets
0.46Moderate
listeriosisOpen Targets
0.46Moderate
colorectal adenocarcinomaOpen Targets
0.45Moderate
breast cancerOpen Targets
0.44Moderate
thyroid carcinomaOpen Targets
0.44Moderate
Abnormality of the skeletal systemOpen Targets
0.40Moderate
lymphoid leukemiaOpen Targets
0.40Weak
colorectal cancerOpen Targets
0.40Weak
thyroid neoplasmOpen Targets
0.39Weak
Thrombocytopenia 6UniProt
Pathogenic Variants2
NM_198291.3(SRC):c.1579G>A (p.Glu527Lys)Likely pathogenic
Thrombocytopenia 6|Osteoporosis;Primary myelofibrosis;Thrombocytopenia
★☆☆☆→ Residue 527
NM_198291.3(SRC):c.1591C>T (p.Gln531Ter)Pathogenic
Colon cancer, advanced
☆☆☆☆1999→ Residue 531
View on ClinVar ↗
Drug Targets11
AZD-0424Phase I
Tyrosine-protein kinase ABL inhibitor
neoplasm
BOSUTINIBApproved
Bcr/Abl fusion protein inhibitor
breast cancer
DASATINIB ANHYDROUSApproved
Bcr/Abl fusion protein inhibitor
acute lymphoblastic leukemia
ENMD-981693Phase II
Fibroblast growth factor receptor inhibitor
ILORASERTIBPhase II
Platelet-derived growth factor receptor inhibitor
JNJ-26483327Phase I
Receptor protein-tyrosine kinase erbB-4 inhibitor
SARACATINIBPhase II
Tyrosine-protein kinase ABL inhibitor
metastatic colorectal cancer
TG100-801Phase II
Ephrin type-B receptor 4 inhibitor
macular degeneration
TIRBANIBULINApproved
Tyrosine-protein kinase SRC inhibitor
actinic keratosis
VANDETANIBApproved
Ephrin receptor inhibitor
XL-228Phase I
Insulin-like growth factor I receptor inhibitor
childhood leukemia
Related Genes
ADRB2Protein interaction100%ENO1Protein interaction100%GPER1Protein interaction100%GRB7Protein interaction100%NEDD9Protein interaction100%PTPN2Protein interaction100%
Tissue Expression6 tissues
Ovary
100%
Bone Marrow
100%
Brain
62%
Lung
60%
Liver
24%
Heart
19%
Gene Interaction Network
Click a node to explore
SRCADRB2ENO1GPER1GRB7NEDD9PTPN2
PROTEIN STRUCTURE
Preparing viewer…
PDB9OFX · 1.45 Å · X-ray
View on RCSB ↗
Constraintⓘ
LOEUFⓘ
0.38Moderately Constrained
pLIⓘ
1.00Intolerant
Observed/Expected LoF0.24 [0.16–0.38]
RankingsWhere SRC stands among ~20K protein-coding genes
  • #83of 20,598
    Most Researched1,512 · top 1%
  • #352of 1,025
    FDA-Approved Drug Targets4
  • #4,185of 5,498
    Most Pathogenic Variants2
  • #1,853of 17,882
    Most Constrained (LOEUF)0.38 · top quartile
Genes detectedSRC
Sources retrieved50 papers
Response time—
📄 Sources
50▼
1
Activation of human pp60c-src.
PMID: 8960354
Biochem Cell Biol · 1996
1.00
2
Ouabain impairs cancer metabolism and activates AMPK-Src signaling pathway in human cancer cell lines.
PMID: 31515527
Acta Pharmacol Sin · 2020
0.90
3
SRC in human carcinogenesis.
PMID: 14766353
Front Biosci · 2004
0.84
4
PELP1 and SRC kinase as important molecules in the estrogen-mediated pathway in human testis and epididymis.
PMID: 37159918
Acta Biochim Pol · 2023
0.82
5
FAK-Src-paxillin system expression and disease outcome in human neuroblastoma.
PMID: 29040002
Pediatr Hematol Oncol · 2017
0.80