来自牛角膜胶原蛋白片段α1-CB3的胰凝乳蛋白酶和胰蛋白酶肽段。确定己糖附着位点。
Chymotryptic and tryptic peptides of fragment alpha 1-CB3 from bovine corneal collagen. Pinpointing the sites of hexose attachment.
作者信息
Panjwani N A, Harding J J
出版信息
Biochem J. 1978 Jun 1;171(3):697-703. doi: 10.1042/bj1710697.
Abstract
Tryptic peptides of citraconylated fragment alpha1-CB3 and chymotryptic peptides of fragment alpha1-CB3 of bovine corneal collagen were prepared, isolated and characterized. Their amino acid compositions were consistent with the amino acid sequence of fragment alpha1-CB3 from calf skin collagen. Two glycoside sites were identified in bovine corneal fragment alpha1-CB3, one of them being the first located in the overlap region of collagen. The results are related to the uniformly narrow collagen fibres found in cornea and essential for its transparency.
摘要
制备、分离并鉴定了牛角膜胶原蛋白的柠康酰化α1-CB3片段的胰蛋白酶肽段和α1-CB3片段的糜蛋白酶肽段。它们的氨基酸组成与小牛皮肤胶原蛋白α1-CB3片段的氨基酸序列一致。在牛角膜α1-CB3片段中鉴定出两个糖苷位点，其中一个是位于胶原蛋白重叠区域的第一个位点。这些结果与角膜中发现的均匀狭窄的胶原纤维有关，并且对其透明度至关重要。
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FEBS Lett. 1971 Feb 19;13(2):101-104. doi: 10.1016/0014-5793(71)80209-0.
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Variations in the carbohydrate content of human and bovine polymeric collagens from various tissues.来自不同组织的人源和牛源聚合胶原蛋白中碳水化合物含量的差异。
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Reversible blocking of amino groups with citraconic anhydride.用柠康酸酐对氨基进行可逆封闭。
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