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R&D Systems™ Human Lactate Dehydrogenase B/LDHB, 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™ 9205HB050

Catalog No. 92-05H-B050

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The Recombinant Human Lactate Dehydrogenase B/LDHB Protein is derived from E. coli. The Recombinant Human Lactate Dehydrogenase B/LDHB 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 B
Measured by its ability to reduce pyruvate to lactate. The specific activity is >60,000 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.: 37kDa
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.
EC 1.1.1, EC, Epididymis Secretory Protein Li 281, HEL-S-281, lactate dehydrogenase B, LDH heart subunit, LDHB, LDH-B, LDHBD, LDH-H, L-lactate dehydrogenase B chain, Renal Carcinoma Antigen NY-REN-46, TRG-5
E. coli-derived Ala2-Leu334, with N-terminal Met and 6-His tag
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