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QPCT / QC

glutaminyl-peptide cyclotransferase

Responsible for the biosynthesis of pyroglutamyl peptides. Has a bias against acidic and tryptophan residues adjacent to the N-terminal glutaminyl residue and a lack of importance of chain length after the second residue. Also catalyzes N-terminal pyroglutamate formation. In vitro, catalyzes pyroglutamate formation of N-terminally truncated form of APP amyloid-beta peptides [Glu-3]-beta-amyloid. May be involved in the N-terminal pyroglutamate formation of several amyloid-related plaque-forming peptides.

Gene Name: glutaminyl-peptide cyclotransferase
Family/Subfamily: Protease , Metallopeptidase M28
Synonyms: QPCT, EC, Glutaminyl cyclase, Glutamyl cyclase, GCT, QC, SQC
Target Sequences: NM_012413 NP_036545.1 Q16769

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For RESEARCH USE ONLY. Intended for use by laboratory professionals. Not intended for human diagnostic or therapeutic purposes.

The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).