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R&D Systems™ Human Lactate Dehydrogenase A/LDHA, Carrier-Free Recombinant Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility.

Manufacturer:  R&D Systems™ 9158HA050

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Catalog No. 91-58H-A050

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The Recombinant Human Lactate Dehydrogenase A/LDHA Protein is derived from E. coli. The Recombinant Human Lactate Dehydrogenase A/LDHA Protein has been validated for the following applications: Enzyme Activity.


>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining
E. coli
<1.0 EU per 1μg of the protein by the LAL method.
Lactate Dehydrogenase A/LDHA
Measured by its ability to reduce pyruvate to lactate. The specific activity is >95,000 pmol/min/μg, as measured under the described conditions. See Activity Assay Protocol on
Enzyme Activity
Observed M.W.: 36kDa, reducing conditions, Theoretical M.W.: 38kDa
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 6 months from date of receipt, -20 to -70° C as supplied. 3 months, -20 to -70° C under sterile conditions after opening.
Cell proliferation-inducing gene 19 protein, EC 1.1.1, EC, GSD11, lactate dehydrogenase A, lactate dehydrogenase M, LDH muscle subunit, LDH1, LDHA, LDH-A, LDHM, LDH-M, L-lactate dehydrogenase A chain, proliferation-inducing gene 19, Renal carcinoma antigen NY-REN-59
E. coli-derived Ala2-Phe332, with N-terminal Met and 6-His tag
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