L2625

L-Lactic Dehydrogenase from bovine heart

Type III, ammonium sulfate suspension, ≥500 units/mg protein

• Sinónimos: Lactate, (S)-Lactate: NAD⁺ oxidoreductase, L-LDH, LAD, LD
• Número de CAS: 9001-60-9
• Comisión internacional de enzimas: 1.1.1.27 (BRENDA, IUBMB)
• Número CE: 232-617-8
• Número MDL: MFCD00131466
• Código UNSPSC: 12352204
• NACRES: NA.54

Propiedades

• tpo: Type III
• Nivel de calidad: 200
• Formulario: ammonium sulfate suspension
• actividad específica: ≥500 units/mg protein
• Nº de acceso UniProt: P19858; Q5E9B1
• actividad extraña: pyruvate kinase ≤0.03%
• temp. de almacenamiento: 2-8°C
• Información sobre el gen: cow ... LDHA(281274) , LDHB(281275)

Descripción

Descripción general

Research area: Cell signaling

Lactate dehydrogenase (LDH) is a cytoplasmic enzyme that belongs to the oxidoreductase’s family. It is ubiquitously expressed in body tissues but at high levels in muscle, liver, and kidney. LDH exists as tetramer and comprises of two subunits (H and M). The LDH of eukaryotes undergo active-site loop gating for their catalytic functionality. L-lactate, which is the major enantiomeric form of lactate in vertebrates, is produced by the L-isomers of LDH enzyme encoded by the LDHC gene.

Aplicación

L-Lactic Dehydrogenase from bovine heart has been used as a standard in cytotoxicity assay. It has also been used in glutamic pyruvic transaminase (GPT) assay.

Acciones bioquímicas o fisiológicas

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

Lactate dehydrogenase (LDH) is a crucial enzyme that plays a vital role in the anaerobic metabolic pathway. It facilitates the conversion of lactate to pyruvate and NAD⁺ to NADH, and vice versa, within cells. This enzymatic reaction plays a crucial role in cellular energy production, particularly in environments with low oxygen levels or hypoxic conditions. LDH activity is also significant in tumor glycolysis and the Warburg effect. LDH is released into the bloodstream when the cells are damaged or undergo death. Therefore, LDH can be used as a potential marker of cell injury and death. High lactate dehydrogenase activity is associated with various medical conditions, such as liver disease, anemia, heart attack, bone fractures, muscle trauma, and certain types of cancer.

Definición de unidad

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

Forma física

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

Nota de análisis

Protein determined by biuret

Información de seguridad

• Pictogramas: GHS08
• Palabra de señalización: Danger
• Frases de peligro: H334
• Consejos de prudencia: P261 - P284 - P501
• Clasificaciones de peligro: Resp. Sens. 1
• Código de clase de almacenamiento: 10 - Combustible liquids
• Clase de riesgo para el agua (WGK): WGK 1
• Equipo de protección personal: Eyeshields, Gloves, type N95 (US)