来自麦芽高粱（高粱）的极限糊精酶。
The limit dextrinase from malted sorghum (Sorghum vulgare).
作者信息
Hardie D G, Manners D J, Yellowlees D
出版信息
Carbohydr Res. 1976 Aug;50(1):75-85. doi: 10.1016/s0008-6215(00)84084-7.
PMID:975121
Abstract
A limit dextrinase, free from contaminating carbohydrases, has been purified from malted sorghum flour. The enzyme readily hydrolysed alpha-limit dextrins having maltosyl or maltotriosyl side-chains, pullulan, and amylopectin beta-limit dextrin. Glycogen beta-limit dextrin and amylopectin were more slowly hydrolysed, the detection of the hydrolysis of amylopectin being dependent on enzyme concentration. No significant debranching of glycogen could be detected.
摘要
已从发芽高粱粉中纯化出一种不含污染性碳水化合物酶的极限糊精酶。该酶能迅速水解具有麦芽二糖基或麦芽三糖基侧链的α-极限糊精、支链淀粉和支链淀粉β-极限糊精。糖原β-极限糊精和支链淀粉的水解速度较慢，支链淀粉水解的检测取决于酶的浓度。未检测到糖原的明显脱支作用。
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引用本文的文献
1
Limit dextrinase from germinating barley has endotransglycosylase activity, which explains its activation by maltodextrins.发芽大麦中的极限糊精酶具有内转糖基酶活性，这解释了它被麦芽糊精激活的原因。
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