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P2922

Sigma-Aldrich

Endoproteinase Glu-C from Staphylococcus aureus V8

Type XVII-B, lyophilized powder, 500-1,000 units/mg solid

Sinónimos:

V8 Protease

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About This Item

Número de CAS:
66676-43-5
Comisión internacional de enzimas:
3.4.21.19 (BRENDA, IUBMB)
MDL number:
MFCD01324998
UNSPSC Code:
12352204
eCl@ss:
32160410
NACRES:
NA.54

type

Type XVII-B

Quality Level

200

form

lyophilized powder

specific activity

500-1,000 units/mg solid

mol wt

29 kDa

purified by

chromatography

shipped in

wet ice

storage temp.

−20°C

Gene Information

Staphylococcus aureus subsp. aureus MW2 ... sspA(1003044)

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Application

Endoproteinase Glu-C from Staphylococcus aureus strain V8 is a serine protease used for selective cleavage of proteins for amino acid sequence determination or peptide mapping . Product P2922 has been used to linearize cyclic peptides in C. ternatea leaf extract.
Endoproteinase Glu-C from Staphylococcus aureus V8 has been used to digest reduced and alkylated cyclotides to produce linearized fragments.
It is used for selective cleavage of proteins for amino acid sequence determination or peptide mapping.

Biochem/physiol Actions

Staphylococcus strain V8 protease specifically cleaves peptide bonds on the carboxyl side of aspartic and glutamic acid residues when used in phosphate buffer. When used in ammonium bicarbonate buffer or ammonium acetate buffer cleavage is restricted to the carboxyl side of glutamic acid residues only. The enzyme exhibits maximal activity from pH 4.0 to 7.8. If hemoglobin is used as the substrate, maximal activity is at pH 4.0. The maximal activity is at pH of 7.8 when casein is the substrate.

Unit Definition

One unit will hydrolyze 1 μmole of N-t-Boc-L-glutamic acid α-phenyl ester per min at pH 7.8 at 37 °C. One unit is equivalent to ~0.004 casein digestion unit.

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H317,H334

Hazard Classifications

Resp. Sens. 1 - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
SLCL8685
SLCL0410
SLCJ3264
SLCH8011
SLCG0807

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Proceedings of the National Academy of Sciences of the USA, 108 (2011)
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Amino acids, 48(4), 1059-1067 (2016-01-11)
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Staphylococcus aureus possesses ten extracellular proteases with mostly unknown targets in the human proteome. To assist with bacterial protease target discovery, we have applied and compared two N-terminomics methods to investigate cleavage of human serum proteins by S. aureus V8 protease
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Glucose is the predominant source of energy in cells. However, a chronic high glucose exposure of proteins modifies a number of biological pathways, known as glucotoxicity. Several studies have suggested that this impaired protein function is associated in part to
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Protocolos

Enzymatic Assay of Endoproteinase Glu-C (EC 3.4.21.19)

This procedure may be used for determination of Endoproteinase Glu-C enzymatic activity using N-t-Boc-L-glutamic acid α-phenyl ester as the substrate.

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