• USA Home
  • L3379 - L-Lactic Dehydrogenase isoenzymes LDH-1 (H4) and LDH-2 (H3M) from human erythrocytes


L3379 Sigma

L-Lactic Dehydrogenase isoenzymes LDH-1 (H4) and LDH-2 (H3M) from human erythrocytes

Type XII, ammonium sulfate suspension, 300-500 units/mg protein

Synonym: (S)-Lactate: NAD+ oxidoreductase, L-LDH, Human lactate dehydrogenase isoenzyme 1, LAD, LD



type   Type XII
form   ammonium sulfate suspension
foreign activity   pyruvate kinase, essentially free
storage temp.   2-8°C
Gene Information   human ... LDHA(3939), LDHB(3945)


Analysis Note

Protein determined by biuret.

Biochem/physiol Actions

Also catalyzes the oxidation of other L-2-hydroxymonocarboxylic acids.

Unit Definition

One unit will reduce 1.0 μmole of pyruvate to L-lactate per min at pH 7.5 at 37 °C.

Physical form

Suspension in 2.1 M (NH4)2SO4 solution, pH 6.0

Price and Availability

Customers Also Viewed

Type XXVIII, ammonium sulfate suspension, 300-600 units/mg protein

Safety & Documentation

Protocols & Articles

Related Content

Enzyme Explorer: the most comprehensive source of enzymes, substrates, activators, & inhibitors.

Find enzymes / proteins, substrates, activators, and inhibitors. Resources for metabolic pathways, kinases, proteolytic enzymes and inhibitors, carbohydrate analysis as well as new cell signaling, an...
Keywords: Cell culture, Cell disruption, Cell signaling, Diagnostic, Digestions, Drug discovery, Functional genomics, Gene expression, Genomics, Metabolic Pathways, Molecular biology, Neuroscience, Proteomics

Peer-Reviewed Papers


Set your institution to view full text papers.

Merck 14,5334

Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?