A methylated derivative of histidine found in actin; in the breakdown of actin and myosin, N-methylhistidine is released into the urine; urinary output of N-methylhistidine is a reliable index of the rate of myofibrillar protein breakdown in musculature.
Farlex Partner Medical Dictionary © Farlex 2012
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N-methylhistidine (3-methylhistidine) and muscle protein turnover: an overview.
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