Identification
HMDB Protein ID CDBP00884
Secondary Accession Numbers Not Available
Name Phosphatidylinositol N-acetylglucosaminyltransferase subunit A
Description Not Available
Synonyms
  1. GlcNAc-PI synthesis protein
  2. PIG-A
  3. Phosphatidylinositol-glycan biosynthesis class A protein
Gene Name PIGA
Protein Type Enzyme
Biological Properties
General Function Involved in biosynthetic process
Specific Function Necessary for the synthesis of N-acetylglucosaminyl-phosphatidylinositol, the very early intermediate in GPI-anchor biosynthesis.
GO Classification
Biological Process
positive regulation of metabolic process
C-terminal protein lipidation
preassembly of GPI anchor in ER membrane
Cellular Component
endoplasmic reticulum membrane
glycosylphosphatidylinositol-N-acetylglucosaminyltransferase (GPI-GnT) complex
integral to membrane
Molecular Function
phosphatidylinositol N-acetylglucosaminyltransferase activity
Process
metabolic process
macromolecule metabolic process
protein amino acid lipidation
gpi anchor biosynthetic process
biosynthetic process
macromolecule modification
protein modification process
Cellular Location
  1. Endoplasmic reticulum membrane
  2. Single-pass membrane protein
Pathways
Gene Properties
Chromosome Location X
Locus Xp22.1
SNPs PIGA
Gene Sequence
>1455 bp
ATGGCCTGTAGAGGAGGAGCTGGGAATGGCCACCGTGCCTCAGCTACACTCTCTCGGGTT
AGCCCTGGAAGTCTTTACACATGTAGAACCCGTACCCATAATATATGCATGGTATCTGAC
TTTTTCTACCCAAATATGGGAGGCGTGGAAAGCCACATTTACCAGCTCTCTCAGTGCCTG
ATTGAAAGAGGGCATAAGGTTATAATTGTCACCCATGCTTATGGAAATCGAAAAGGCATC
CGTTACCTCACCAGTGGCCTCAAAGTCTATTACTTGCCTCTGAAAGTCATGTACAACCAG
TCTACAGCCACGACCCTCTTTCACAGTCTGCCATTGCTCAGGTACATATTTGTTCGGGAG
AGAGTCACGATAATCCATTCACATAGTTCTTTTTCTGCTATGGCCCATGATGCTCTCTTC
CACGCCAAGACAATGGGGCTTCAGACAGTCTTCACGGACCATTCCCTTTTTGGATTTGCT
GATGTCAGCTCGGTGCTTACAAACAAGCTTCTAACCGTGTCTCTTTGTGATACAAACCAC
ATCATTTGTGTGTCTTATACTAGTAAGGAAAATACTGTACTAAGAGCAGCACTGAATCCT
GAAATAGTGTCCGTCATTCCTAATGCTGTAGATCCTACTGACTTCACTCCAGACCCATTT
AGAAGGCATGATAGTATAACTATTGTTGTTGTCAGCAGACTTGTTTACAGAAAAGGGATC
GATTTGCTTAGTGGTATAATACCTGAACTCTGTCAGAAATATCCAGATTTAAATTTCATA
ATTGGAGGAGAGGGACCAAAGAGAATCATTTTGGAAGAAGTTCGGGAAAGATACCAGCTG
CATGACAGGGTGCGTCTTTTGGGAGCTTTAGAACACAAGGATGTTAGAAATGTCTTAGTT
CAAGGACATATTTTTCTGAATACCTCCCTTACTGAAGCATTCTGCATGGCGATCGTGGAA
GCAGCCAGTTGTGGTTTACAGGTTGTAAGTACCAGAGTTGGTGGAATTCCTGAGGTGCTT
CCAGAAAACCTTATTATTTTATGTGAGCCTTCAGTAAAATCTTTGTGTGAAGGATTGGAA
AAGGCTATTTTCCAACTGAAGTCAGGGACATTGCCAGCTCCAGAAAACATCCATAACATA
GTAAAGACTTTCTACACCTGGAGGAATGTTGCAGAAAGAACTGAAAAGGTATATGACCGG
GTATCAGTGGAAGCTGTGTTGCCAATGGACAAACGACTGGACAGACTTATTTCTCACTGC
GGCCCAGTAACAGGCTACATCTTTGCTTTGTTGGCAGTTTTCAACTTCCTCTTCCTCATT
TTCTTGAGATGGATGACTCCAGATTCTATCATTGATGTTGCAATAGATGCCACTGGGCCA
CGGGGTGCCTGGACTAATAACTATTCTCACAGTAAAAGAGGGGGTGAGAATAATGAGATA
TCTGAAACCAGGTAG
Protein Properties
Number of Residues 484
Molecular Weight 54126.065
Theoretical pI 8.332
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Phosphatidylinositol N-acetylglucosaminyltransferase subunit A
MACRGGAGNGHRASATLSRVSPGSLYTCRTRTHNICMVSDFFYPNMGGVESHIYQLSQCL
IERGHKVIIVTHAYGNRKGIRYLTSGLKVYYLPLKVMYNQSTATTLFHSLPLLRYIFVRE
RVTIIHSHSSFSAMAHDALFHAKTMGLQTVFTDHSLFGFADVSSVLTNKLLTVSLCDTNH
IICVSYTSKENTVLRAALNPEIVSVIPNAVDPTDFTPDPFRRHDSITIVVVSRLVYRKGI
DLLSGIIPELCQKYPDLNFIIGGEGPKRIILEEVRERYQLHDRVRLLGALEHKDVRNVLV
QGHIFLNTSLTEAFCMAIVEAASCGLQVVSTRVGGIPEVLPENLIILCEPSVKSLCEGLE
KAIFQLKSGTLPAPENIHNIVKTFYTWRNVAERTEKVYDRVSVEAVLPMDKRLDRLISHC
GPVTGYIFALLAVFNFLFLIFLRWMTPDSIIDVAIDATGPRGAWTNNYSHSKRGGENNEI
SETR
GenBank ID Protein 23398601
UniProtKB/Swiss-Prot ID P37287
UniProtKB/Swiss-Prot Entry Name PIGA_HUMAN
PDB IDs Not Available
GenBank Gene ID BC038236
GeneCard ID PIGA
GenAtlas ID PIGA
HGNC ID HGNC:8957
References
General References Not Available