Phosphatidylinositol N-acetylglucosaminyltransferase subunit Q (Q9BRB3)

Uniprot ID	Q9BRB3
Protein Name	Phosphatidylinositol N-acetylglucosaminyltransferase subunit Q
Gene Name	PIGQ
Species	Homo sapiens (Human)

Signal peptide^(a)	N	Secretome P^(b)	0.42
Function	Part of the complex catalyzing the transfer of N-acetylglucosamine from UDP-N-acetylglucosamine to phosphatidylinositol, the first step of GPI biosynthesis.
GO - Molecular function	phosphatidylinositol N-acetylglucosaminyltransferase activity : IEA:UniProtKB-EC
GO - Biological process	carbohydrate metabolic process : TAS:ProtInc preassembly of GPI anchor in ER membrane : TAS:Reactome

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^{(a) The Signal peptide D-score cutoff for "YES"(having signal peptide) is 0.45.}
^{(b) Non-classically secreted proteins should obtain an NN-score(Neural Networks score) exceeding the normal threshold of 0.5, but not at the same time be predicted to contain a signal peptide.}