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TERNARY STRUCTURE OF CYTOCHROME P450BM 3 HEME DOMAIN CO COMPLEX

TERNARY STRUCTURE OF CYTOCHROME P450BM 3 HEME DOMAIN CO COMPLEX
细胞色素 P450BM 3 血红素结构域复合物的三元结构
批准号:
6119397
负责人:
HUIYING LI
金额:
$0.0万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
1999
资助国家:
美国
项目状态:
已结题
起止时间:
1999-03-01 至 2000-04-14

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中文摘要
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英文摘要
A 2.7 E data set of cytochrome P450BM-3 heme domain with substrate bound was collected in May, 1996 at SSRL and the structure was solved by molecular replacement. This structure reveals a large conformational change in protein backbone upon the substrate binding which results in the closure of the substrate access channel. We are going to further screen better cryo-protectant and reducing conditions, also will try to stabilize crystals by cross linking with glutaraldehyde. Determination of a ternary crystal structure of P450BM-3 heme domain-substrate-CO complex might be the only way to lock the heme in its ferrous state from which the possible substrate conformational changes can be detected.
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  • 项目类别:
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  • 财政年份:
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CRYSTALLOGRAPHIHC STUDIES ON THE NITRIC OXIDE SYNTHASES
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  • 财政年份:
    2010
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  • 依托单位:
海外基金