Fattoum A, Feinberg J, Desvages G, Roustan C
C R Acad Hebd Seances Acad Sci D. 1977 May 9;284(18):1843-6.
In order to study the location of the single cysteinyl residue in the primary structure of yeast 3-phosphoglycerate kinase, cyanylation by 2-nitro-5-thiocyanobenzoic acid has bben carried out. Analysis of the two fragments obtained shows that the--SH group is located near position 100.