Identification of cysteine-380 as the essential residue for the human N-acetyl-D-glucosamine 2-epimerase (renin binding protein).


Renin binding protein (RnBP) is a proteinous renin inhibitor firstly isolated from porcine kidney. Recently, the protein was identified as the enzyme, N-acetyl-D-glucosamine (GlcNAc) 2-epimerase. The GlcNAc 2-epimerase activity of recombinant human RnBP was specifically inhibited by SH-reagents such as N-ethylmaleimide, 5, 5'-dithiobis-2-nitrobenzoate, and… (More)


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