UniProt functional annotation for P30101

UniProt code: P30101.

Organism: Homo sapiens (Human).
Taxonomy: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo.
 
Catalytic activity: Reaction=Catalyzes the rearrangement of -S-S- bonds in proteins.; EC=5.3.4.1; Evidence={ECO:0000269|PubMed:7487104};
Subunit: Subunit of the TAP complex, also known as the peptide loading complex (PLC). Can form disulfide-linked heterodimers with TAPBP. Interacts with ERP27 and CANX. Interacts with SERPINA2 and with the S and Z variants of SERPINA1. Interacts with ATP2A2. {ECO:0000250|UniProtKB:P27773, ECO:0000269|PubMed:16905107, ECO:0000269|PubMed:16940051, ECO:0000269|PubMed:19119025, ECO:0000269|PubMed:23826168}.
Subcellular location: Endoplasmic reticulum {ECO:0000269|PubMed:23826168}. Endoplasmic reticulum lumen {ECO:0000250}. Melanosome {ECO:0000269|PubMed:12643545, ECO:0000269|PubMed:17081065}. Note=Identified by mass spectrometry in melanosome fractions from stage I to stage IV (PubMed:12643545). {ECO:0000269|PubMed:12643545}.
Tissue specificity: Detected in the flagellum and head region of spermatozoa (at protein level) (PubMed:20400973). Expressed in liver, stomach and colon (at protein level). Expressed in gastric parietal cells and chief cells (at protein level) (PubMed:24188822). {ECO:0000269|PubMed:20400973, ECO:0000269|PubMed:24188822}.
Mass spectrometry: Mass=54265.22; Method=MALDI; Evidence={ECO:0000269|PubMed:11840567};
Similarity: Belongs to the protein disulfide isomerase family. {ECO:0000305}.

Annotations taken from UniProtKB at the EBI.