Lactate Dehydrogenase Total (LDH)

Product Name Lactate Dehydrogenase Total
Source Human
Catalogue Number 355-12
Purity Purified
Form Liquid
Activity > 200 U/mL (Siemens 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 Reported U/mg protein
Isoenzyme LDH-1: > 20%
LDH-2: > 5%
LDH-3: > 5%
LDH-4: > 5%
LDH-5: > 20%
Custom LDH isoenzyme ratios available.
Formulation Suspension in 3.1 M ammonium sulfate, 20 mM tris-chloride, 1 mM DTT, 1 mM EDTA, pH 7.5.
Appearance Turbid, off-white suspension
Recertification 2 years
Storage 2-8°C
Synonyms LDH-Total, LD Total
CAS Number 9001-60-9
E.C. Number 1.1.1.27