来自棘孢曲霉的鼠李半乳糖醛酸酶B是一种鼠李半乳糖醛酸α-L-鼠李吡喃糖基-(1→4)-α-D-吡喃半乳糖醛酸裂解酶。
Rhamnogalacturonase B from Aspergillus aculeatus is a rhamnogalacturonan alpha-L-rhamnopyranosyl-(1-->4)-alpha-D-galactopyranosyluronide lyase.
作者信息
Mutter M, Colquhoun I J, Schols H A, Beldman G, Voragen A G
机构信息
Wageningen Agricultural University, Department of Food Chemistry, The Netherlands.
出版信息
Plant Physiol. 1996 Jan;110(1):73-7. doi: 10.1104/pp.110.1.73.
Abstract
The recently described rhamnogalacturonase B, which is able to degrade ramified hairy regions of pectin, was found to be a rhamnogalacturonan alpha-L-rhamnopyranosyl-(1-->4)-alpha-D-galactopyranosyluronide lyase. The cleavage site and mechanism differ from that of the previously described rhamnogalacturonase A, which is a hydrolase and can now be termed rhamnogalacturonan alpha-D-galactopyranosyluronide-(1-->2)-alpha-L-rhamnopyranosyl hydrolase.
摘要
最近发现的鼠李糖半乳糖醛酸酶B能够降解果胶的分支多毛区域，它实际上是一种鼠李糖半乳糖醛酸聚糖α-L-鼠李吡喃糖基-(1→4)-α-D-半乳糖吡喃糖醛酸裂解酶。其切割位点和机制与先前描述的鼠李糖半乳糖醛酸酶A不同，鼠李糖半乳糖醛酸酶A是一种水解酶，现在可称为鼠李糖半乳糖醛酸聚糖α-D-半乳糖吡喃糖醛酸基-(1→2)-α-L-鼠李吡喃糖基水解酶。
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本文引用的文献
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Isolation and characterization of rhamnogalacturonan oligomers, liberated during degradation of pectic hairy regions by rhamnogalacturonase.鼠李半乳糖醛酸寡聚物的分离与表征，其在鼠李半乳糖醛酸酶降解果胶毛状区域过程中释放出来。
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Protopectinase-T: a rhamnogalacturonase able to solubilize protopectin from sugar beet.原果胶酶-T：一种能够从甜菜中溶解原果胶的鼠李半乳糖醛酸酶。
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Identification by n.m.r. spectroscopy of oligosaccharides obtained by treatment of the hairy regions of apple pectin with rhamnogalacturonase.通过核磁共振光谱法鉴定用鼠李糖半乳糖醛酸酶处理苹果果胶毛状区域所获得的低聚糖。
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