Journal of chromatography, 635(1), 81-87 (1993-04-09)
A rapid and sensitive assay method for the determination of PZ-peptidase activity is reported. This method is based on the monitoring of the absorption at 320 nm of 4-phenylazobenzyloxycarbonyl-L-Pro-L-Leu (PZ-Pro-Leu), enzymatically formed from the substrate 4-phenylazobenzyloxycarbonyl-L-Pro-L-Leu-Gly-L-Pro-D-Arg (PZ-peptide), after separation by
Biochimica et biophysica acta, 571(1), 105-111 (1979-11-09)
A peptidase cleaving a synthetic substrate for collagen peptidases, 4-phenylazobenzyloxcarbonyl-L-Pro-L-Leu-Gly-L-pro-D-Arg (designated as PZ-peptide) has been purified 1200-fold from rabbit serum and characterized. The enzyme preparation is free of collagenase and unspecific proteinase activity. The natural substrates are denatured collagen and
The induction of collagenase and a neutral proteinase by their high molecular weight substrates in Achromobacter iophagus.
V Keil-Dlouha et al.
Journal of molecular biology, 107(3), 293-305 (1976-11-05)
The Biochemical journal, 195(3), 677-684 (1981-06-01)
Tervalent cations of the lanthanide (rare-earth) elements reversibly inhibit bacterial collagenase (clostridiopeptidase A; EC 3.4.24.3). Sm(3+), whose ionic radius is closest to that of Ca(2+), is the most effective inhibitor, completely suppressing clostridiopeptidase activity at a concentration of 100mum in
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