NP_006178.2
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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UniProt Secondary Accession #
UniProt Related Accession #
Molecular Weight
121,170 Da
NCBI Official Full Name
2'-5'-oligoadenylate synthase 3
NCBI Official Synonym Full Names
2'-5'-oligoadenylate synthetase 3
NCBI Protein Information
2'-5'-oligoadenylate synthase 3
UniProt Protein Name
2'-5'-oligoadenylate synthase 3
UniProt Synonym Protein Names
p100 OAS; p100OAS
UniProt Synonym Gene Names
UniProt Entry Name
OAS3_HUMAN
NCBI Summary for OAS3
This gene encodes an enzyme included in the 2', 5' oligoadenylate synthase family. This enzyme is induced by interferons and catalyzes the 2', 5' oligomers of adenosine in order to bind and activate RNase L. This enzyme family plays a significant role in the inhibition of cellular protein synthesis and viral infection resistance. [provided by RefSeq, Jul 2008]
UniProt Comments for OAS3
OAS3: Interferon-induced, dsRNA-activated antiviral enzyme which plays a critical role in cellular innate antiviral response. In addition, it may also play a role in other cellular processes such as apoptosis, cell growth, differentiation and gene regulation. Synthesizes preferentially dimers of 2'-5'- oligoadenylates (2-5A) from ATP which then bind to the inactive monomeric form of ribonuclease L (RNase L) leading to its dimerization and subsequent activation. Activation of RNase L leads to degradation of cellular as well as viral RNA, resulting in the inhibition of protein synthesis, thus terminating viral replication. Can mediate the antiviral effect via the classical RNase L-dependent pathway or an alternative antiviral pathway independent of RNase L. Displays antiviral activity against Chikungunya virus (CHIKV), Dengue virus, Sindbis virus (SINV) and Semliki forest virus (SFV). Belongs to the 2-5A synthase family.
Protein type: Transferase; EC 2.7.7.84
Chromosomal Location of Human Ortholog: 12q24.2
Cellular Component: cytoplasm; cytosol; extracellular space; intracellular membrane-bound organelle; nucleoplasm; plasma membrane
Molecular Function: 2'-5'-oligoadenylate synthetase activity; ATP binding; double-stranded RNA binding; metal ion binding; protein binding
Biological Process: cytokine and chemokine mediated signaling pathway; defense response to virus; negative regulation of viral genome replication; nucleobase, nucleoside, nucleotide and nucleic acid metabolic process; response to virus
Research Articles on OAS3
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Diseases associated with OAS3 elisa kit
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