19924
Pyroglutamate Aminopeptidase from Pyrococcus furiosus, recombinant from E. coli
7-13 mU (per vial)
Synonym(s):
Pyrase, Pyroglutamyl-Peptidase I, Pyrrolidone Carboxyl Peptidase
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About This Item
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recombinant
expressed in E. coli
form
lyophilized
specific activity
7-13 mU (per vial)
mol wt
Mr ~28000
storage temp.
−20°C
Related Categories
Packaging
package of 0.01 Unit
Unit Definition
1 U corresponds to the amount of enzyme which hydrolyzes 1 μmol Pyroglutamate-p-nitroanilide per minute at pH 7.0 and 37 °C
Analysis Note
enzyme activity: the optimum temperature is 95-100 °C (the enzyme is stable up to 75 °C), the optimum pH is 6-9 (stable from pH 6-9). Inhibitors: PCMB, Hg+.
Other Notes
An enzyme that removes pyroglutamic acid (pGlu) from pGlu-peptide and proteins; employed in Edman degradation.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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J Mozdzanowski et al.
Analytical biochemistry, 260(2), 183-187 (1998-07-11)
For larger proteins, efficient deblocking prior to Edman sequencing is especially important to obtain quality, extended sequencing data which is limited by the stepwise accumulation of background from the random acid hydrolysis of the protein. Therefore, any portion that remains
Y Shimada et al.
Journal of biochemistry, 106(3), 383-388 (1989-09-01)
The cDNA clone of Geotrichum candidum (Geo.) lipase was isolated from the Geo. cDNA library by colony hybridization using 32P-labeled oligonucleotides corresponding to a partial amino acid sequence of this enzyme. The nucleotide sequence of the cDNA determined by the
Adolfo Varona et al.
American journal of physiology. Renal physiology, 292(2), F780-F788 (2006-09-21)
Peptides play important roles in cell regulation and signaling in many tissues and are regulated by peptidases, most of which are highly expressed in the kidney. Several peptide convertases have a function in different tumor stages, and some have been
Argel Aguilar-Valles et al.
Neurochemistry international, 50(2), 404-417 (2006-11-15)
TRH administration induces arousal, improves cognition, and modulates glutamatergic and cholinergic transmission in hippocampal neurons. To study the possible involvement of TRH neurons in learning and memory processes, gene expression of TRH, its receptors, and pyroglutamyl peptidase (PPII), were measured
Jai K Kaushik et al.
Biochemistry, 45(23), 7100-7112 (2006-06-07)
Pyrrolidone carboxyl peptidases (PCPs) from hyperthermophiles have a structurally conserved and completely buried Glu192 in the hydrophobic core; in contrast, the corresponding residue in the mesophile protein is a hydrophobic residue, Ile. Does the buried ionizable residue contribute to stabilization
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