22178
纤维素酶 来源于黑曲霉
powder, off-white, ~0.8 U/mg
别名:
1,4-(1,3:1,4)-β-D-葡聚糖4-葡聚糖水解酶
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关于此项目
化学文摘社编号:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-734-4
MDL number:
Specific activity:
~0.8 U/mg
Biological source:
Aspergillus niger
biological source
Aspergillus niger
form
powder
specific activity
~0.8 U/mg
color
off-white
storage temp.
2-8°C
Quality Level
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General description
纤维素酶是糖苷水解酶家族的成员之一，由多种纤维素分解菌产生。
Application
从黑曲霉（ Aspergillus niger ）中提取的纤维素酶，可用于：
- 制备标准品溶液，确定绝对纤维素酶水平
- 在磷酸盐-柠檬酸缓冲液中进行活性测定
- 非淀粉多糖降解酶混合物，用于脱脂米糠的体外水解及研究提高家禽饲料营养价值的方法
Biochem/physiol Actions
来自 黑曲霉（Aspergillus niger） 的纤维素酶可催化纤维素、地衣素、大麦葡聚糖和纤维低聚糖中的内切-1,4-β-D-糖苷键水解为纤维己糖。 其不会切割纤维二糖或 p-硝基苯基-β-D-葡萄糖苷。 该酶还可通过水解木糖基丝氨酸键从核心肽中切割完整的糖胺聚糖。
Other Notes
1 U 相当的酶量，可在 pH 5.0、37°C 条件下，每分钟从羧甲基纤维素中释放 1 μmol 的葡萄糖。
signalword
Danger
hcodes
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
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