FUNCTION Prevents transcriptional repression and induction of cell death by ENO1 (By similarity). May play a role in vesicular transport from endoplasmic reticulum to Golgi.SUBUNIT Can homodimerize. Component of the multisubunit TRAPP (transport protein particle) complex, which includes TRAPPC2, TRAPPC2L, TRAPPC3, TRAPPC3L, TRAPPC4, TRAPPC5, TRAPPC8, TRAPPC9, TRAPPC10, TRAPPC11 and TRAPPC12. Interacts with ENO1, PITX1 and SF1.INTERACTION Localized in perinuclear granular structures.ALTERNATIVE PRODUCTS Additional isoforms seem to exist.TISSUE SPECIFICITY Expressed in brain, heart, kidney, liver, lung, pancreas, placenta, skeletal muscle, fetal cartilage, fibroblasts, placenta and lymphocytes.DISEASE The disease is caused by variants affecting the gene represented in this entry.MISCELLANEOUS A paralogous gene encoding an identical protein appears to have arisen by retrotransposition of a cDNA from this locus and to have acquired a promoter and non-coding 5' UTR from the ZNF547 gene.SIMILARITY Belongs to the TRAPP small subunits family. Sedlin subfamily.
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