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GPI ethanolamine phosphate transferase 1 (phosphatidylinositol-glycan biosynthesis class N protein, PIG-N, MCD4 homolog, PIGN, MCD4)
Function:
1) ethanolamine phosphate transferase involved in GPI-anchor biosynthesis
2) transfers ethanolamine phosphate to the 1st alpha-1,4-linked mannose of the glycosylphosphatidylinositol precursor of GPI-anchor
3) GPI-anchor biosynthesis
Compartment: endoplasmic reticulum membrane
General
phosphotransferase
transmembrane 15c protein
Properties
SIZE: MW = 106 kD
entity length = 931 aa
COMPARTMENT: endoplasmic reticulum
MOTIF: cytoplasmic domain {1-1}
transmembrane domain {2-24}
exoplasmic loop {25-442}
MOTIF: N-glycosylation site {N128}
N-glycosylation site {N192}
N-glycosylation site {N350}
transmembrane domain {443-463}
cytoplasmic loop {464-482}
transmembrane domain {483-503}
exoplasmic loop {504-508}
transmembrane domain {509-529}
cytoplasmic loop {530-543}
transmembrane domain {544-564}
exoplasmic loop {565-565}
transmembrane domain {566-586}
cytoplasmic loop {587-591}
transmembrane domain {592-612}
exoplasmic loop {613-618}
transmembrane domain {619-639}
cytoplasmic loop {640-649}
transmembrane domain {650-670}
exoplasmic loop {671-685}
transmembrane domain {686-706}
cytoplasmic loop {707-723}
transmembrane domain {724-744}
exoplasmic loop {745-786}
transmembrane domain {787-807}
cytoplasmic loop {808-824}
transmembrane domain {825-845}
exoplasmic loop {846-858}
transmembrane domain {859-879}
cytoplasmic loop {880-894}
transmembrane domain {895-915}
exoplasmic domain {916-931}
Database Correlations
OMIM 606097
UniProt O95427
PFAM correlations
References
UniProt :accession O95427