N8010
4-Nitrophenyl 4-guanidinobenzoate hydrochloride
protease substrate, ≥95.0% (TLC), powder
别名:
4-Guanidinobenzoic acid 4-nitrophenylester hydrochloride, NPGB, pNPGB
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关于此项目
经验公式（希尔记法）:
C14H12N4O4 · HCl
化学文摘社编号:
分子量:
336.73
NACRES:
NA.32
PubChem Substance ID:
UNSPSC Code:
12352204
EC Number:
242-831-3
MDL number:
Beilstein/REAXYS Number:
8024554
产品名称
4-Nitrophenyl 4-guanidinobenzoate hydrochloride, protease inhibitor and substrate
InChI key
PKSBDZOBYIKNGY-UHFFFAOYSA-N
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
SMILES string
Cl[H].NC(=N)Nc1ccc(cc1)C(=O)Oc2ccc(cc2)[N+]([O-])=O
assay
≥95.0% (TLC)
form
powder
solubility
formic acid: soluble 49.00-51.00 mg/mL
storage temp.
−20°C
Quality Level
General description
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.
Application
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
Biochem/physiol Actions
4-Nitrophenyl 4-guanidinobenzoate hydrochloride (pNPGB) inhibits phenoloxidase enzyme and delays embryo chorionic membrane hardening.
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Mélia Magnen et al.
Biological chemistry, 399(9), 1053-1064 (2018-06-09)
Every year, influenza A virus (IAV) affects and kills many people worldwide. The viral hemagglutinin (HA) is a critical actor in influenza virus infectivity which needs to be cleaved by host serine proteases to exert its activity. KLK5 has been
M Llanos et al.
Journal of reproduction and fertility, 97(1), 173-178 (1993-01-01)
In this study we evaluated the effect of several trypsin inhibitors (p-aminobenzamidine: pAB; N-alpha-p-tosyl-L-lysine-chloromethyl-ketone: TLCK and p-nitrophenyl-p'-guanidino-benzoate: NPGM) on sperm binding and penetration of the human zona pellucida. Motile spermatozoa, selected by a two-step Percoll gradient, were incubated at 1
F Catteruccia et al.
Proceedings of the National Academy of Sciences of the United States of America, 97(5), 2157-2162 (2000-02-19)
The ability of the Minos transposable element to function as a transformation vector in anopheline mosquitoes was assessed. Two recently established Anopheles gambiae cell lines were stably transformed by using marked Minos transposons in the presence of a helper plasmid
S P Leytus et al.
Biochimica et biophysica acta, 788(1), 74-86 (1984-07-17)
A theory and experimental method are presented to characterize the kinetics of fast-acting, irreversible proteinase inhibitors. The theory is based upon formal analysis of the case of an irreversible inhibitor competing with a substrate for the active-site of a proteinase.
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
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