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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Yeast phosphoglycerate mutate. Cyanogen bromide cleavage and amino acid sequence of an active-site peptide.

The molecular weight and amino acid composition of phosphoglycerate mutase from yeast were determined. CNBr cleavage produced a large (190-residue) fragment and a small (60-residue) fragment. Tryptic and chymotryptic peptides derived from the large fragment were fractionated by ion-exchange chromatography. Peptides from two histidine-containing regions were isolated and the amino acid sequences were determined. Correlation of these data with X-ray-crystallographic evidence shows that the histidine residue in the sequence Arg-Leu Asn-Glu-Arg-His-Tyr-Gly-Asp-Leu-Glu-Gly-Lys is located at the active site.[1]

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