10069
α-淀粉酶 来源于枯草芽孢杆菌
powder, yellow-brown, ~380 U/mg
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关于此项目
化学文摘社编号:
UNSPSC Code:
12352204
eCl@ss:
32160410
EC Number:
232-565-6
NACRES:
NA.54
MDL number:
产品名称
α-淀粉酶 来源于枯草芽孢杆菌, powder, yellow-brown, ~380 U/mg
biological source
Bacillus sp.
form
powder
specific activity
~380 U/mg
greener alternative product characteristics
Waste Prevention
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
color
yellow-brown
greener alternative category
, Enabling
storage temp.
2-8°C
Quality Level
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Application
α-淀粉酶（芽孢杆菌来源）可用于：
- 作为一种分散酶检测金黄色葡萄球菌生物膜的降解
- 木薯淀粉的酶法水解
- 植物性原生非晶颗粒淀粉的酶解
细菌α-淀粉酶的热稳定性；对甘薯淀粉、直链淀粉和支链淀粉的作用方式 ；对天然小麦淀粉的作用。
Biochem/physiol Actions
α-淀粉酶介导淀粉、麦芽寡糖和糖原在α-D-(1,4)-糖苷键上的水解。芽孢杆菌是α-淀粉酶异构生产的重要细胞工厂。此外，还有从枯草芽孢杆菌菌株中提取到细胞外分泌的耐热淀粉酶的报道。
General description
α-淀粉酶（α-1,4-葡聚糖-4-葡聚糖水解酶）属于糖基水解酶 13 家族。两个天门冬氨酸残基和一个谷氨酸残基是 α-淀粉酶的主要催化残基。所有淀粉酶都具有三个结构域，即具有中央（β/α）8 桶的结构域 A、结构域 B 以及包含结构域 C 的希腊钥匙模体的 β-结构。
我们致力于为您提供更环保的替代产品，以符合“绿色化学的12项原则”的一项或多项原则要求。该产品针对淀粉水解研究进行了优化，可提高能效并防止浪费。有关详细信息，请参阅《Biofiles》的文章。
Other Notes
一个单位是在pH 6.9和25°C下每分钟释放 1 μmol 麦芽糖的酶量（采用产品货号 85642 作为底物）
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
法规信息
常规特殊物品
此项目有
Masayuki Kagawa et al.
Journal of bacteriology, 185(23), 6981-6984 (2003-11-18)
The crystal structure of Bacillus subtilis alpha-amylase, in complex with the pseudotetrasaccharide inhibitor acarbose, revealed an hexasaccharide in the active site as a result of transglycosylation. After comparison with the known structure of the catalytic-site mutant complexed with the native
Amylase enzyme from Bacillus subtilis S8-18: a potential desizing agent from the marine environment.
Balu Jancy Kalpana et al.
Biotechnology and applied biochemistry, 61(2), 134-144 (2013-05-11)
The present study is aimed at developing an economical medium for the production of α-amylase from Bacillus subtilis S8-18, a marine sediment isolate from Palk Bay, with various agricultural by-products that are cheap and rich in starch. These products include
J.E. Anderson et al.
Journal of Food Science, 48, 1622-1622 (1983)
Hydrolysis of starches by the action of an alpha-amylase from Bacillus subtilis
Konsula Z and Liakopoulou-Kyriakides M
Process Biochemistry (Oxford, United Kingdom), 39, 1745-1749 (2004)
P Colonna et al.
Biotechnology and bioengineering, 31(9), 895-904 (1988-06-05)
Native starch granules from wheat have been subjected to enzymatic depolymerization with an alpha-amylase from Bacillus subtilis. Crystallites made from short-chain amylose and residues from mild acid hydrolysis have been also tested. Electron microscopy, particle size analysis, DSC, and x-ray
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