QPCT protein (80R-4298)
Purified Recombinant QPCT protein (His tagged)
Overview
Overview
| Synonyms | GCT protein, QC protein, sQC protein |
|---|---|
| Species | Human |
| Protein Type | Recombinant |
| Applications | SDS-PAGE |
Images
SDS-PAGE analysis using QPCT protein (His tag) (80R-4298)
Figure annotation denotes ug of protein loaded and % gel used.
Specifications
| Residues | 29-361 aa: VSPSASAWPE EKNYHQPAIL NSSALRQIAE GTSISEMWQN DLQPLLIERY PGSPGSYAAR QHIMQRIQRL QADWVLEIDT FLSQTPYGYR SFSNIISTLN PTAKRHLVLA CHYDSKYFSH WNNRVFVGAT DSAVPCAMML ELARALDKKL LSLKTVSDSK PDLSLQLIFF DGEEAFLHWS PQDSLYGSRH LAAKMASTPH PPGARGTSQL HGMDLLVLLD LIGAPNPTFP NFFPNSARWF ERLQAIEHEL HELGLLKDHS LEGRYFQNYS YGGVIQDDHI PFLRRGVPVL HLIPSPFPEV WHTMDDNEEN LDESTIDNLN KILQVFVLEY LHLHHHHHH |
|---|---|
| Expression System | Insect cells |
| Grade & Purity | > 90% pure |
| Molecular Weight | 38.7 kDa |
| Tag/Conjugate | His tag |
| Form & Buffer | Supplied in liquid form in PBS buffer (pH 7.4) containing 10% glycerol |
| Concentration | 500 ug/ml |
Storage & Safety
| Storage | Store at 4 deg C for short term storage. For long term storage, aliquot and store at -20 or -70 deg C. Avoid repeat freeze/thaw cycles |
|---|---|
| Endotoxin Levels | < 1.0 EU per 1 microgram of protein |
General Information
| Biological Significance | QPCT, also known as glutaminyl-peptide cyclotransferase, is responsible for the biosynthesis of pyroglutamyl peptides. This protein 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. It catalyzes N-terminal pyroglutamate formation. In vitro, it catalyzes pyroglutamate formation of N-terminally truncated form of APP amyloid-beta peptides [Glu-3]-beta-amyloid. Recombinant human QPCT, fused to His-tag at C-terminus, was expressed in insect cell and purified by using conventional chromatography techniques. |
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