The primary structure of the flavoprotein D-aspartate oxidase from beef kidney.

The primary structure of the flavoprotein D-aspartate oxidase from beef kidney.
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牛肾黄素蛋白 D-天冬氨酸氧化酶的一级结构。

DOI:
10.1016/s0021-9258(19)49778-0
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发表时间:
1992
期刊:
The Journal of biological chemistry
影响因子:
--
通讯作者:
S. Ronchi
S. Ronchi
中科院分区:
--
文献类型:
--
作者:
A. Negri;F. Ceciliani;G. Tedeschi;T. Simonic;S. Ronchi

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通过胰蛋白酶、溴化氰、七氟丁酸/溴化氰和金黄色葡萄球菌V8蛋白酶对牛肾过氧化物酶体黄素酶D-天冬氨酸氧化酶羧甲基化蛋白进行片段化,得到了完整的一级结构。该蛋白由338个残基的单一多肽组成,占脱辅基蛋白的M(r)为37,305。已检测到一种缺乏Lys-338的酶形式,因此以Pro-337结束。N-末端残基被封闭。存在7个半胱氨酸,没有二硫键。残基228可以是Ile或瓦尔。因此,除了已经描述的关于FAD或6-羟基黄素腺嘌呤二核苷酸的可能含量之外,D-天冬氨酸氧化酶在多肽链中呈现两种类型的异质性。D-天冬氨酸氧化酶的一级结构与其他已知序列的比较表明,D-天冬氨酸氧化酶与D-氨基酸氧化酶(另一种黄素氧化酶)同源,并且与任何其他蛋白质(包括黄素酶)没有显着的序列相似性。
The complete primary structure of the peroxisomal flavoenzyme D-aspartate oxidase from beef kidney has been determined by analyses of the peptides obtained through fragmentation of the carboxymethylated protein with trypsin, CNBr, heptafluorobutyric acid/CNBr and Staphylococcus aureus V8 protease. The protein consists of a single polypeptide of 338 residues, accounting for a M(r) of 37,305 for the apoprotein. A form of the enzyme lacking Lys-338 and therefore ending with Pro-337 has been detected. The N-terminal residue is blocked. Seven cysteines and no disulfide bridges are present. Residue 228 can be either Ile or Val. Thus, D-aspartate oxidase presents two types of heterogeneity in the polypeptide chain in addition to the one already described concerning the possible content of FAD or 6-hydroxyflavin adenine dinucleotide. Comparison of the primary structure of D-aspartate oxidase with other known sequences reveals that D-aspartate oxidase is homologous with D-amino acid oxidase (another flavo-oxidase) and does not present significant sequence similarities with any other protein, including flavoenzymes.
DOI: 10.1016/s0021-9258(18)61070-1
发表时间: 1987-07
期刊: The Journal of biological chemistry
影响因子: --
作者:
P. Matsudaira
通讯作者: P. Matsudaira
DOI: --
发表时间: 1987
期刊: The Journal of biological chemistry
影响因子: --
作者:
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发表时间: 1990-04
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影响因子: --
作者:
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DOI: --
发表时间: 1982
期刊: The Journal of biological chemistry
影响因子: --
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通讯作者: Curti,B
牛肾D-天冬氨酸氧化酶的动力学机制。
DOI: --
发表时间: 1988
期刊: The Journal of biological chemistry
影响因子: --
作者:
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通讯作者: Schopfer,LM