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GPI transamidase component PIG-S; phosphatidylinositol-glycan biosynthesis class S protein (PIGS)
Function:
- component of the GPI transamidase complex
- essential for transfer of GPI to proteins, particularly for formation of carbonyl intermediates
- glycolipid biosynthesis; GPI-anchor biosynthesis
- forms a complex with PIGK/GPI8, PIGT, PIGU & GAA1
Structure: belongs to the PIGS family
Compartment:
- endoplasmic reticulum membrane
- multi-pass membrane protein
Alternative splicing: named isoforms=2
Related
phosphatidylinositol [PI] glycan
General
phosphatidylinositol-glycan biosynthesis protein (PIG-protein)
transmembrane 2 protein
Properties
SIZE: entity length = 555 aa
MW = 62 kD
COMPARTMENT: endoplasmic reticulum
MOTIF: cytoplasmic domain {2-18}
transmembrane domain {19-39}
exoplasmic loop {40-520}
MOTIF: N-glycosylation site {N267}
N-glycosylation site {N370}
transmembrane domain {521-541}
cytoplasmic domain {542-555}
Database Correlations
OMIM 610271
UniProt Q96S52
Pfam PF10510
Entrez Gene 94005
Kegg hsa:94005
References
UniProt :accession Q96S52
Component-of
GPI transamidase complex