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Native Rabbit Lactate Dehydrogenase

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Cat No.

DIA-268

Description

A lactate dehydrogenase (LDH or LD) is an enzyme found in nearly all living cells (animals, plants, and prokaryotes). LDH catalyzes the conversion of pyruvate to lactate and back, as it converts NADH to NAD+ and back. A dehydrogenase is an enzyme that transfers a hydride from one molecule to another.

Abbr

LDH (Rabbit)

Alias

LDH; LD

Source

Rabbit Muscle

Species

Rabbit

Enzyme Commission Number

EC 1.1.1.27

Activity

> 250 units per mg protein

CAS No.

9001-60-9

Molecular Weight

140 kDa

Composition

Lovell and Winzor (1974) report that the tetramer dissociates completely into two dimers (molecular weight 70,000) in acetate-chloride buffer pH 5 (conditions without effect on beef heart LDH). Phosphate and pyridine nucleotides stabilize the quarternary structure of the tetramer. Phosphate has an activation effect. See also Cho and Swainsgood (1973).

Unit Definition

One Unit oxidizes one micromole of NADH per minute at 25°C, pH 7.3

Synonyms

Lactate dehydrogenase; EC 1.1.1.27; LDH; LD

"LDH" Total Products Page

Enzymes

Catalog	Product Name	EC No.	CAS No.	Source	Price
NATE-1793	L-Lactate Dehydrogenase (Crude Enzyme)	EC 1.1.1.27	9001-60-9	E. coli	Inquiry
NATE-1681	Native Human Lactate Dehydrogenase	EC 1.1.1.27	9001-60-9	Human Muscle	Inquiry
NATE-1680	Native Human Lactate Dehydrogenase	EC 1.1.1.27	9001-60-9	Human Heart	Inquiry
NATE-1105	L-Lactate Dehydrogenase from Porcine, Recombinant	EC 1.1.1.27	9001-60-9	Porcine	Inquiry

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