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Protein Page:
TMED10 (human)

TMED10 Involved in vesicular protein trafficking. Mainly functions in the early secretory pathway. Thought to act as cargo receptor at the lumenal side for incorporation of secretory cargo molecules into transport vesicles and to be involved in vesicle coat formation at the cytoplasmic side. In COPII vesicle-mediated anterograde transport involved in the transport of GPI-anchored proteins and proposed to act togther with TMED2 as their cargo receptor; the function specifically implies SEC24C and SEC24D of the COPII vesicle coat and lipid raft-like microdomains of the ER. Recognizes GPI anchors structural remodeled in the ER by PGAP1 and MPPE1. In COPI vesicle-mediated retrograde transport involved in the biogenesis of COPI vesicles and vesicle coat recruitment. On Golgi membranes, acts as primary receptor for ARF1-GDP which is involved in COPI-vesicle formation. Increases coatomer-dependent GTPase-activating activity of ARFGAP2. Involved in trafficking of G protein-coupled receptors (GPCRs). Regulates F2LR1, OPRM1 and P2RY4 exocytic trafficking from the Golgi to the plasma membrane thus contributing to receptor resensitization. Involved in trafficking of amyloid beta A4 protein and soluble APP-beta release (independent of modulation of gamma-secretase activity). As part of the presenilin-dependent gamma-secretase complex regulates gamma-cleavages of the amyloid beta A4 protein to yield amyloid-beta 40 (Abeta40). Involved in organization of the Golgi apparatus. Predominantly homodimeric and to lesser extent monomeric in endoplasmic reticulum. Homodimer and monomer in endoplasmic reticulum-Golgi intermediate compartment and cis-Golgi network. Probably oligomerizes with other members of the EMP24/GP25L family such as TMED2, TMED7 and TMED9. Interacts with TMED2. Associates with the COPI vesicle coat (coatomer); TMED10:TMED2 heterotetramers are proposed to be involved in coatomer association. Interacts (via C-terminus) with COPG1; the interaction involves dimeric TMED10. Interacts with ARF1 (GDP- bound); the interaction probably involves a TMED10 oligomer. Interacts with SEC23A; indicative for an association of TMED10 with the COPII vesicle coat. Interacts with CD59, SEC24B, SEC24C and SEC24D. Interacts with MPPE1/PGAP5. Interacts with F2LR1. Interacts with KDELR2; the interaction is disrupted by KDELR2 ligand. Found in a complex composed at least of SURF4, TMED2 and TMED10. Associates with the presenilin- dependent gamma-secretase complex. Ubiquitous. Belongs to the EMP24/GP25L family. Note: This description may include information from UniProtKB.
Protein type: Membrane protein, integral; Motility/polarity/chemotaxis
Chromosomal Location of Human Ortholog: 14q24.3
Cellular Component: cis-Golgi network; COPI-coated vesicle; endoplasmic reticulum; endoplasmic reticulum membrane; ER-Golgi intermediate compartment; ER-Golgi intermediate compartment membrane; Golgi apparatus; Golgi membrane; integral to membrane; plasma membrane; secretory granule membrane; trans-Golgi network transport vesicle; transport vesicle; zymogen granule membrane
Molecular Function: protein binding; syntaxin binding
Biological Process: COPI coating of Golgi vesicle; COPII coating of Golgi vesicle; ER to Golgi vesicle-mediated transport; intracellular protein transport; regulated secretory pathway; retrograde vesicle-mediated transport, Golgi to ER; vesicle targeting, to, from or within Golgi
Reference #:  P49755 (UniProtKB)
Alt. Names/Synonyms: 21 kDa transmembrane trafficking protein; 21 kDa transmembrane-trafficking protein; P24(DELTA); p24delta; S31I125; S31III125; TMED10; TMEDA; Tmp-21-I; TMP21; Transmembrane emp24 domain-containing protein 10; transmembrane emp24-like trafficking protein 10 (yeast); Transmembrane protein Tmp21
Gene Symbols: TMED10
Molecular weight: 24,976 Da
Basal Isoelectric point: 6.98  Predict pI for various phosphorylation states
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