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| Product Name | >=8 U/mg Cystathionine Beta-Synthase for Homocysteine Assays |
| Catalog No. | IEC-HMM-0178 |
| Description | Alta DiagnoTech cystathionine beta-synthase is a yellow amorphous lyophilized enzyme powder for enzymatic homocysteine detection. |
| Intended Use | Enzyme raw material for enzymatic homocysteine assays. |
| Performance Range / Specifications | Specific activity >=8 U/mg dry powder; protein purity >=90.0%; glucose-6-phosphate dehydrogenase <=0.01%; lactate dehydrogenase <=0.01%. |
| Storage Conditions | Store at -25 to -15 degrees C |
| Shelf Life | Maintains at least 90% activity for 12 months at -25 to -15 degrees C |
| Package Specifications | 5 kU, 50 kU or 500 kU |
| Product Form | Yellow amorphous lyophilized powder |
| Purity | >=90.0% protein purity |
| Activity / Unit Definition | One unit is the amount of enzyme required to synthesize 1 umol cystathionine per minute under the stated conditions. |
| Molecular Weight | 51 kDa by SDS-PAGE |
| Source / Origin | Microbial source |
| pH Range / Optimal pH | Optimum pH 8.0; stable at pH 6.0-10.0 for 16 hours at 25 degrees C |
| Appearance | Yellow amorphous lyophilized powder |
| Alias | Cystathionine Beta-Synthase |
| Product Type | Cystathionine beta-synthase enzyme raw material |
| Function / Efficacy | Synthesize cystathionine in enzymatic homocysteine assay systems. |
| Abbreviation | CBS |
| EC Number | EC 4.2.1.22 |
| Specific Activity | >=8 U/mg dry powder |
| Isoelectric Point | 5.4 |
| Inhibitors | Not inhibited by sodium azide |
| Optimal Temperature | 40 degrees C |
| Thermal Stability | Stable below 45 degrees C at pH 8.0 for 30 minutes |
| Michaelis Constant | 8.0 x 10^-4 M for L-serine; 1.6 x 10^-4 M for L-homocysteine |
| Stabilizer | Triton X-100 |
For research use only, not for clinical use.
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