N-乙酰神经氨酸醛缩酶 NAL
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N-乙酰神经氨酸醛缩酶 NAL
N-Acetylneuraminic acid aldolase 9027-60-5
from Microorganism
| PRODUCT DESCRIPTION |
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| Catalog No.: | SU43M022 |
| Appearance: | Yellowish amorphous powder |
| Source: | Microorganism |
| EC Number: | EC 4.1.3.3 |
| CAS Number: | 9027-60-5 |
| Storage temperature: | -20℃ |
| Specific activity: | ≥ 45U/mg protein |
| Unit definition: | One unit will convert one micromole of N-Acetylneuraminate to N-Acetyl-D-mannosamine per minute at pH 7.5 at 37℃. |
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| PROPERTIES |
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| Stability | Stable at -20℃ for at least three years |
| Molecular weight: | 33 kDa (SDS-PAGE) |
| Isoelectric point: | 6.4 |
| -3 Michaelis constant: | 2.5×10 M(N-Acetylneuraminic acid) |
| Optimum pH: | 6.0~8.0 |
| Optimum temperature: | 50℃ |
| pH Stability: | 4.5~10(25℃, 25hr) |
| Thermal stability: | < 65℃ (pH 7.5, 10min) |
| Inhibitors: | Co2+ ,Cu 2+ ,Zn 2+ ,NEM, Proclin |
