Lactate Dehydrogenase 2 (LDH-2)

Product Name	Lactate Dehydrogenase 2
Source	Human Erythrocytes
Catalogue Number	355-20
Purity	Purified
Form	Liquid
Activity	> 500 U/mL (Dimension® Clinical Chemistry System)
Unit Definition	One unit will catalyze the oxidation of one micromole of L-lactate to pyruvate with simultaneous reduction of NAD+ to NADH per minute at 37°C and pH 9.4.
Protein	> 1.0 mg/mL (Coomassie)
Specific Activity	> 50 U/mg protein
Isozyme Content	LDH-2: > 95% (Helena QuickGel® LD Isoenzyme Electrophoresis) LDH-1: < 1.0% LDH-3: < 1.0% LDH-4: < 1.0% LDH-5: < 1.0%
Contaminants	CPK: < 1% GOT/AST: < 1%
Formulation	Suspension in 3.1 M ammonium sulfate, 20 mM tris-chloride, 1 mM DTT, 1 mM EDTA, pH 7.5.
Recertification	2 years
Storage	2-8°C
Synonyms	LDH-2 (3H1M), LD2
CAS Number	9001-60-9
E.C. Number	1.1.1.27