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Molecular structural formula
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Normal/Tumor
Colorectal cancer
Colorectal cancer
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Peptide Sequence
AYLEAIHKF(其中"K"为独特抗原突变所导致的修饰残基)
AYLEAIHKF(其中"K"为独特抗原突变所导致的修饰残基)
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Lymphocyte Stimulation
peptide
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NCBI Gene SummaryNCBI
One of two major clathrin-associated adaptor complexes, AP-2, is a heterotetramer which is associated with the plasma membrane. This complex is composed of two large chains, a medium chain, and a small chain. This gene encodes the small chain of this complex.
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GeneCards Summary
AP2S1 (Adaptor Related Protein Complex 2 Subunit Sigma 1) is a Protein Coding gene. Diseases associated with AP2S1 include Hypocalciuric Hypercalcemia, Familial, Type Iii and Familial Hypocalciuric Hypercalcemia. Among its related pathways are Nef-mediates down modulation of cell surface receptors by recruiting them to clathrin adapters and Regulation of activated PAK-2p34 by proteasome mediated degradation. Gene Ontology (GO) annotations related to this gene include transporter activity and clathrin adaptor activity.
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UniProtKB SwissProt Summary
Component of the adaptor protein complex 2 (AP-2). Adaptor protein complexes function in protein transport via transport vesicles in different membrane traffic pathways. Adaptor protein complexes are vesicle coat components and appear to be involved in cargo selection and vesicle formation. AP-2 is involved in clathrin-dependent endocytosis in which cargo proteins are incorporated into vesicles surrounded by clathrin (clathrin-coated vesicles, CCVs) which are destined for fusion with the early endosome. The clathrin lattice serves as a mechanical scaffold but is itself unable to bind directly to membrane components. Clathrin-associated adaptor protein (AP) complexes which can bind directly to both the clathrin lattice and to the lipid and protein components of membranes are considered to be the major clathrin adaptors contributing the CCV formation. AP-2 also serves as a cargo receptor to selectively sort the membrane proteins involved in receptor-mediated endocytosis.
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References
[1].Shinkawa T, Tokita S, Nakatsugawa M, Kikuchi Y, Kanaseki T, Torigoe T. Characterization of CD8+ T-cell responses to non-anchor-type HLA class I neoantigens with single amino-acid substitutions. Oncoimmunology. 2021 10(1):1870062. (PMID: 33537174).
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