Automated description from the Alliance of Genome Resources (Release 8.3.0)
Enables peptide antigen binding activity. Involved in peptide antigen stabilization. Acts upstream of or within antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-dependent and defense response. Predicted to be located in Golgi membrane. Predicted to be part of Tapasin-ERp57 complex. Predicted to be active in endoplasmic reticulum membrane. Is expressed in several structures, including genitourinary system; hemolymphoid system; nervous system; notochord; and retina. Human ortholog(s) of this gene implicated in severe combined immunodeficiency. Orthologous to human TAPBP (TAP binding protein).
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