Ubiquitin-like protein ATG12 - O94817 (ATG12_HUMAN)


Protein Feature View of PDB entries mapped to a UniProtKB sequence  

Ubiquitin-like protein involved in autophagy vesicles formation. Conjugation with ATG5 through a ubiquitin-like conjugating system involving also ATG7 as an E1-like activating enzyme and ATG10 as an E2-like conjugating enzyme, is essential for its function. The ATG12-ATG5 conjugate acts as an E3-like enzyme which is required for lipidation of ATG8 family proteins and their association to the vesicle membranes. UniProt
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Subunit Structure
Forms a conjugate with ATG5 (PubMed:11096062, PubMed:12207896, PubMed:11825910, PubMed:17709747, PubMed:26812546, PubMed:23202584). The ATG12-ATG5 conjugate forms a complex with several units of ATG16L1 (PubMed:23202584). Forms an 800-kDa complex composed of ATG12-ATG5 and ATG16L2 (By similarity). Interacts with DHX58/RIG-1, IFIH1/MDA5 and MAVS/IPS-1 in monomeric form as well as in ATG12-ATG5 conjugate. The interaction with MAVS is further enhanced upon vesicular stomatitis virus (VSV) infection (PubMed:17709747). Interacts with ATG3 and ATG7 (PubMed:11096062, PubMed:12207896, PubMed:11825910, PubMed:23202584). Interacts with ATG10 (By similarity). Interacts with TECPR1 (PubMed:22342342). UniProt
Shares weak sequence similarity with ubiquitin family, but contains an 'ubiquitin superfold' and the C-terminal Gly is required for isopeptide linkage. UniProt
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The PDB to UniProt mapping is based on the data provided by the EBI SIFTS project. See also Velankar et al., Nucleic Acids Research 33, D262-265 (2005).
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