Reversed-phase chromatography of phenylthiocarbamyl amino acid derivatives of physiological amino acids: an evaluation and a comparison with analysis by ion-exchange chromatography.
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Analysis of 1- and 3-methylhistidines, aromatic and basic amino acids in rat and human urine.
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Acta crystallographica. Section F, Structural biology and crystallization communications, 68(Pt 8), 889-893 (2012-08-08)
Human arginase I (HAI) is a binuclear manganese metalloenzyme that catalyzes the hydrolysis of L-arginine to form L-ornithine and urea through a metal-activated hydroxide mechanism. Since HAI regulates L-Arg bioavailability for NO biosynthesis, it is a potential drug target for...
Y Park et al.
Biochemistry, 36(34), 10517-10525 (1997-08-26)
The primary role of Tyr225 in the aspartate aminotransferase mechanism is to provide a hydrogen bond to stabilize the 3'O- functionality of bound pyridoxal phosphate. The strength of this hydrogen bond is perturbed by replacement of Tyr225 with 3-fluoro-L-tyrosine (FlTyr)...