ACTB

Gene Information
 
Gene Symbol
ACTB
 
Aliases
BRWS1, PS1TP5BP1
 
Entrez Gene ID
60
 
Gene Name
Actin beta
 
Chromosomal Location
7p22.1
 
HGNC ID
 
Summary
This gene encodes one of six different actin proteins. Actins are highly conserved proteins that are involved in cell motility, structure, integrity, and intercellular signaling. The encoded protein is a major constituent of the contractile apparatus and one of the two nonmuscle cytoskeletal actins that are ubiquitously expressed. Mutations in this gene cause Baraitser-Winter syndrome 1, which is characterized by intellectual disability with a distinctive facial appearance in human patients. Numerous pseudogenes of this gene have been identified throughout the human genome. [provided by RefSeq, Aug 2017]
 
RefSeq DNA
 
RefSeq mRNA
  e!Ensembl
Gene
Transcript  
Protein

Gene Ontology (GO)

GO ID Ontology Function Evidence Reference
GO:0001895 Biological process Retina homeostasis HEP 23580065
GO:0007409 Biological process Axonogenesis IBA 21873635
GO:0021762 Biological process Substantia nigra development HEP 22926577
GO:0022898 Biological process Regulation of transmembrane transporter activity IGI 18331289
GO:0022898 Biological process Regulation of transmembrane transporter activity ISS 18331289
Protein Information
 
Protein Name
Actin, cytoplasmic 1, I(2)-actin, PS1TP5-binding protein 1, beta cytoskeletal actin
 
Function
Actin is a highly conserved protein that polymerizes to produce filaments that form cross-linked networks in the cytoplasm of cells (PubMed:29581253). Actin exists in both monomeric (G-actin) and polymeric (F-actin) forms, both forms playing key functions, such as cell motility and contraction (PubMed:29581253). In addition to their role in the cytoplasmic cytoskeleton, G- and F-actin also localize in the nucleus, and regulate gene transcription and motility and repair of damaged DNA (PubMed:29925947).
 
Refseq Proteins
 
UniProt
 
PDB
Pathways
 
KEGG
 
Reactome
 

Rap1 signaling pathway
Phagosome
Apoptosis
Hippo signaling pathway
Focal adhesion
Adherens junction
Tight junction
Platelet activation
Leukocyte transendothelial migration
Thermogenesis
Regulation of actin cytoskeleton
Thyroid hormone signaling pathway
Oxytocin signaling pathway
Gastric acid secretion
Bacterial invasion of epithelial cells
Vibrio cholerae infection
Pathogenic Escherichia coli infection
Shigellosis
Salmonella infection
Yersinia infection
Influenza A
Proteoglycans in cancer
Hepatocellular carcinoma
Hypertrophic cardiomyopathy (HCM)
Arrhythmogenic right ventricular cardiomyopathy (ARVC)
Dilated cardiomyopathy (DCM)
Viral myocarditis
Fluid shear stress and atherosclerosis

 

Gap junction degradation
Formation of annular gap junctions
Regulation of actin dynamics for phagocytic cup formation
EPHB-mediated forward signaling
EPH-ephrin mediated repulsion of cells
Adherens junctions interactions
Recycling pathway of L1
VEGFA-VEGFR2 Pathway
Interaction between L1 and Ankyrins
Cell-extracellular matrix interactions
B-WICH complex positively regulates rRNA expression
RHO GTPases activate IQGAPs
RHO GTPases Activate WASPs and WAVEs
RHO GTPases Activate Formins
MAP2K and MAPK activation
UCH proteinases
DNA Damage Recognition in GG-NER
Signaling by moderate kinase activity BRAF mutants
Signaling by high-kinase activity BRAF mutants
Signaling by BRAF and RAF fusions
Paradoxical activation of RAF signaling by kinase inactive BRAF
Clathrin-mediated endocytosis
Signaling downstream of RAS mutants
FCGR3A-mediated phagocytosis

Interactions
 
STRING MINT IntAct
ENSP00000263826 Q9Y243 Q9Y243
    View interactions
     

Associated Diseases

Disease groupDisease NameReferences
Cardiovascular Diseases
Myocardial Ischemia
Congenital, Hereditary, and Neonatal Diseases and Abnormalities
Baraitser-Winter syndrome
Genetic Diseases
Anencephaly
Congenital ocular coloboma
References
 
 
PubMed ID Associated gene/s Associated condition Genetic Mutation Diagnostic Criteria Association with PCOS Ethnicity Conclusion
ARHGAP4, ARHGAP9, RHOG, LYN, MYH9 
PCOS, ovulatory dysfunction, hyperandrogenism, polycystic ovaries, insulin resistance, obesity, and dyslipidemia 
 
Rotterdam diagnostic criteria 
Related 
7 PCOS granulosa samples and 3 control granulosa samples 
The Regulation of RhoA activity, Signaling by Rho GTPases, and GP VI-mediated activation cascade pathways may be associated with PCOS-related hormone imbalance and platelet dysfunction. LYN, ARHGAP4, ARHGAP9 and RHOG are promising candidate genes in PCOS, and may be recommended as possible therapeutic targets for PCOS. 

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