C8176
Colagenase
Sigma Blend Type L, ≤1.0 FALGPA units/mg solid
Sinônimo(s):
Clostridiopeptidase A
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About This Item
Produtos recomendados
Nível de qualidade
forma
powder
caseinase activity
≥40 units/mg solid
atividade específica
≤1.0 FALGPA units/mg solid
peso molecular
68-130 kDa
temperatura de armazenamento
−20°C
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Aplicação
Collagenase from Clostridium histolyticum, or Clostridiopeptidase A, has been used in a study to assess the synthesis and in vitro evaluation of macromolecular antitumour derivatives based on phenylenediamine mustard. Clostridiopeptidase A has also been used in a study to investigate the enzymatic debridement of burn wounds with collagenase.
Ações bioquímicas/fisiológicas
Effective release of cells from tissue requires the action of collagenase enzymes and the neutral protease. Collagenase is activated by four gram atom calcium (Ca2+) per mole enzyme. The culture filtrate is thought to contain at least 7 different proteases ranging in molecular weight from 68-130 kDa. The pH optimum is 6.3-8.8. The enzyme is typically used to digest the connective components in tissue samples to liberate individual cells. Ethylene glycol-bis(β-aminoethyl ether)-N,N,N′,N′-tetraacetic acid (EGTA)4; β-mercaptoethanol; glutathione, reduced; thioglycolic acid, sodium; and 2,2′-dipyridyl; 8-hydroxyquinoline are known to inhibit the enzyme activity.
A colagenase é ativada por quatro gramas de átomos de cálcio por mol de enzima. Ela é inibida por ácido etileno glicol-bis(beta-aminoetil éter)-N, N, N′,N′-tetracético, beta-mercaptoetanol, glutationa, ácido tioglicólico e 8-hidroxiquinolina.
Definição da unidade
Uma unidade de digestão de colágeno (CDU) libera peptídeos de colágeno do tendão de Aquiles bovino que equivalem em cor de ninidrina a 1,0 μmol de leucina em 5 horas em pH 7,4 a 37 °C na presença de íons de cálcio. Uma unidade de hidrólise de FALGPA hidrolisa 1,0 μmol de furilacriloil-Leu-Gli-Pro-Ala por min a 25 °C. Uma unidade de protease neutra hidrolisa caseína para produzir cor equivalente a 1,0 μmol de tirosina por 5 h em pH 7,5 a 37 °C. Uma unidade de clostripaína hidrolisa 1,0 μmol de BAEE por min em pH 7,6 a 25 °C na presença de DTT.
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
Órgãos-alvo
Respiratory system
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 1
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
Equipamento de proteção individual
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Certificados de análise (COA)
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Coşkun Ozcan et al.
Burns : journal of the International Society for Burn Injuries, 28(8), 791-794 (2002-12-05)
Seventy-eight pediatric burn patients treated by enzymatic debridement with collagenase clostridiopeptidase A (CCA), were compared to 41 patients those burn wounds were excised surgically. Patients whose burn wounds were initially assessed as partial-thickness at admission were enrolled in the study.
N I Solov'eva et al.
Bioorganicheskaia khimiia, 20(3), 303-309 (1994-03-01)
Interactions of collagenases I and II (clostridiopeptidases) from Clostridium histolyticum with hexapeptide substrates in which some L-proline residues are replaced by their D-analogues, as well as with the tripeptide chloromethyl ketone Z-Gly-Pro-Gly-CH2Cl were studied. A role of stereochemistry of the
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European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 24(2-3), 159-168 (2005-01-22)
Poly-[N-(2-hydroxyethyl)-L-glutamine] (PHEG) and poly(ethylene glycol) (PEG)-grafted PHEG conjugates of N,N-di(2-chloroethyl)-4-phenylenediamine mustard (PDM) were synthetised. A collagenase-sensitive oligopeptide spacer was selected to link the cytotoxic agent PDM onto the polymeric carrier. First, the oligopeptide-drug conjugate, L-pro-L-leu-gly-L-pro-gly-PDM, was prepared. In a second
Protocolos
To measure collagenase activity, N-(3-[2-Furyl]acryloyl)-Leu-Gly-Pro-Ala is used in a continuous spectrophotometric rate determination at 345 nm. Collagenase hydrolyzes collagen peptide bonds.
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