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Merck
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重要文件

N8010

Sigma-Aldrich

4-Nitrophenyl 4-guanidinobenzoate hydrochloride

protease substrate, ≥95.0% (TLC), powder

同義詞:

4-Guanidinobenzoic acid 4-nitrophenylester hydrochloride, NPGB, pNPGB

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About This Item

經驗公式(希爾表示法):
C14H12N4O4 · HCl
CAS號碼:
分子量::
336.73
Beilstein:
8024554
EC號碼:
MDL號碼:
分類程式碼代碼:
12352204
PubChem物質ID:
NACRES:
NA.32

產品名稱

4-Nitrophenyl 4-guanidinobenzoate hydrochloride, protease inhibitor and substrate

品質等級

化驗

≥95.0% (TLC)

形狀

powder

溶解度

formic acid: soluble 49.00-51.00 mg/mL

儲存溫度

−20°C

SMILES 字串

Cl[H].NC(=N)Nc1ccc(cc1)C(=O)Oc2ccc(cc2)[N+]([O-])=O

InChI

1S/C14H12N4O4.ClH/c15-14(16)17-10-3-1-9(2-4-10)13(19)22-12-7-5-11(6-8-12)18(20)21;/h1-8H,(H4,15,16,17);1H

InChI 密鑰

PKSBDZOBYIKNGY-UHFFFAOYSA-N

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一般說明

4-Nitrophenyl 4-guanidinobenzoate hydrochloride (pNPGB) is a trypsin substrate. It is more water-soluble than 4-methylumbelliferyl 4-guanidinobenzoate and is preferred in spectrophotometric assay.

應用

4-Nitrophenyl 4-guanidinobenzoate hydrochloride has been used:
  • as a substrate for trypsin for active site titration experiments
  • for pre-treating of mosquito eggs in the interplasmid transposition assay
  • as a component of isotonic buffer to moisten filter paper for mosquito embryo collection

生化/生理作用

4-Nitrophenyl 4-guanidinobenzoate hydrochloride (pNPGB) inhibits phenoloxidase enzyme and delays embryo chorionic membrane hardening.

象形圖

Corrosion

訊號詞

Danger

危險聲明

危險分類

Eye Dam. 1

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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N Tomiya et al.
FEBS letters, 193(1), 44-48 (1985-11-25)
Acyl-plasmin-streptokinase complex has advantages as a 'site' directed fibrinolytic agent with the active site protected from the plasma protease inhibitors. But, in clinical use, the fibrinolytic potential of this acyl-enzyme complex is modified or abolished by the presence of streptokinase
Studies on the Molecular Mechanism of Mersalyl and 4-Aminophenylmercuric Acetate Re-activation of Trypsin-Thiol Complexes
STEVEN FS and GRIFFIN MM
European Journal of Biochemistry, 109(2), 567-573 (1980)
Mekdes Debela et al.
Scientific reports, 8(1), 10705-10705 (2018-07-18)
Human KLK8/neuropsin, a kallikrein-related serine peptidase, is mostly expressed in skin and the hippocampus regions of the brain, where it regulates memory formation by synaptic remodeling. Substrate profiles of recombinant KLK8 were analyzed with positional scanning using fluorogenic tetrapeptides and
D Collen et al.
The Journal of biological chemistry, 268(11), 8284-8289 (1993-04-15)
The mechanism of activation of human plasminogen by recombinant staphylokinase (STAR) was studied using the active site titrant p-nitrophenyl-p'-guanidinobenzoate (NPGB). NPGB prevented active site exposure in equimolar mixtures of plasminogen and STAR but reacted stoichiometrically with mixtures preincubated in the
J E Dravland et al.
The Journal of experimental zoology, 232(1), 117-128 (1984-10-01)
Previous studies from this laboratory have suggested a role for sperm trypsinlike activity in the membrane events of the hamster sperm acrosome reaction, but these conclusions have been disputed by studies done with guinea pig, mouse, and ram sperm. This

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