胰凝乳蛋白酶原,chymotrypsinogen,α-Chymotrypsinogen A原裝現貨
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產品名稱: 胰凝乳蛋白酶原,chymotrypsinogen,α-Chymotrypsinogen A原裝現貨
產品型號: Sigma C4879 500MG
產品展商: 其他品牌
產品文檔: 無相關文檔
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胰凝乳蛋白酶原,chymotrypsinogen,α-Chymotrypsinogen A原裝現貨
胰凝乳蛋白酶原,chymotrypsinogen,α-Chymotrypsinogen A原裝現貨
的詳細介紹
胰凝乳蛋白酶原,chymotrypsinogen,α-Chymotrypsinogen A原裝現貨
胰凝乳蛋白酶原
胰凝乳蛋白酶原 chymotrypsinogen 是胰凝乳蛋白酶的前體物質。牛的胰凝乳蛋白酶原A氨基酸殘基245個，分子量24500。
白色結晶或粉末。不含鹽，由牛胰中提取而得。每mg約含7000單位。可被胰蛋白酶激活，但不被胰凝乳蛋白酶激活。,生化研究。抗?jié)兯帯?/span>
Sigma相關產品資料：
Sigma C4879 α-Chymotrypsinogen A from bovine pancreas
Type II, essentially salt-free, lyophilized powder, ≥40 units/mg solid (after activation to α-chymotrypsin.)
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CAS Number:
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9035-75-0
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EC Number:
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232-905-3
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MDL number:
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MFCD00130483
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Description
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Biochem/physiol Actions
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A serine protease that hydrolyzes peptide bonds with aromatic or large hydrophobic side chains (Tyr, Trp, Phe, Met) on the carboxyl end of the peptide bond.
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Other Notes
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View more information on chymotrypsin at www.sigma-aldrich.com/enzymeexplorer
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Preparation Note
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Derived from New Zealand-sourced pancreas.
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Unit Definition
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One unit will hydrolyze 1.0 μmole of BTEE per min at pH 7.8 at 25 °C.
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性質
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type
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Type II
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form
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essentially salt-free, lyophilized powder
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mol wt
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mol wt 25,656 Da by calculation
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purified by
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6× crystallization
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foreign activity
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α-chymotrypsin ≤1 unit/mg (prior to activation by trypsin)
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storage temp.
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−20°C
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**性
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Personal Protective Equipment
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Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
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Safety Statements
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22-24/25
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WGK Germany
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3
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品名
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產地
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貨號
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規(guī)格
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單價
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備注
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胰凝乳蛋白酶原/Chymotrypsinogen A
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Sigma
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C4879
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500MG
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詢價
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現貨
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胰凝乳蛋白酶原/Chymotrypsinogen A
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Sigma
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C4879
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1G
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詢價
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現貨
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