Back إنزيم نازع لهيدروجين اللاكتات Arabic Lactat deshidrogenasa Catalan L-Lactatdehydrogenase German Γαλακτική αφυδρογονάση Greek Lactato deshidrogenasa Spanish لاکتات دهیدروژناز Persian Laktaattidehydrogenaasi Finnish Lactate déshydrogénase French Lactato deshidroxenase Galician לקטט דהידרוגנאז HE
| Lactate dehydrogenase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
 Lactate dehydrogenase M tetramer (LDH5), Human | |||||||||
| Identifiers | |||||||||
| EC no. | 1.1.1.27 | ||||||||
| CAS no. | 9001-60-9 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
Lactate dehydrogenase (LDH or LD) is an enzyme found in nearly all living cells. LDH catalyzes the conversion of pyruvate to lactate and back, as it converts NAD+ to NADH and back. A dehydrogenase is an enzyme that transfers a hydride from one molecule to another.
LDH exists in four distinct enzyme classes. This article is specifically about the NAD(P)-dependent L-lactate dehydrogenase. Other LDHs act on D-lactate and/or are dependent on cytochrome c: D-lactate dehydrogenase (cytochrome) and L-lactate dehydrogenase (cytochrome).
LDH is expressed extensively in body tissues, such as blood cells and heart muscle. Because it is released during tissue damage, it is a marker of common injuries and disease such as heart failure.
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