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  • Title: Yak lactate dehydgogenase A4: purification, properties, and cDNA cloning.
    Author: Zheng Y, Si X, He Q, Jin S, Hong J.
    Journal: Biosci Biotechnol Biochem; 2008 Sep; 72(9):2448-51. PubMed ID: 18776664.
    Abstract:
    Lactate dehydrogenase A4 (LDH-A4) was purified for yak skeletal muscle. Michaelis constant (Km) analysis showed that yak LDH-A4 for pyruvate was significantly higher than that of cattle. cDNA cloning of LDH-A revealed two amino acid substitutions between yak and cattle. We suggest that the higher Km of yak LDH-A4 might be a result of molecular adaptation to a hypoxic environment.
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