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Cystathionine-β-synthase

Cystathionine-β-synthase is a diagnostic grade reagent from a microorganism host. This enzyme is useful for enzymatic determination of L-homocysteine when coupled with cystathionine β-lyase and lactate dehydrogenase in clinical analysis.

CY01D1-E311H
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Storage and Stability:

Product can be stored at 2–8°C for transportation process up to ten days but long-term storage should be at -20°C


Activity:

≥ 4 U/mg solid


Unit Definition:

One unit causes the formation of one micromole of cystathionine per minute at pH 8.0 and 37°C


Grade:

Diagnostic Reagent


EC No.:

EC 4.2.1.22


Appearance:

Yellowish amorphous powder, lyophilized


Molecular Weight:

40 kDa


Isoelectric Point:

5.91


Michaelis Constant:

8.28 ×10-5M (L-Homocysteine)


Inhibitors:

Fe3+, Zn2+, Hg2+, SDS


Optimum pH:

8.0


Optimum Temperature:

45°C


pH Stability:

pH 6.5–10.0 (25°C, 16 hr)


Thermal Stability:

Below 45°C (pH 8.0, 30 min)




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