Residue N84 of Yeast Cystathionine β-Synthase is a Determinant of Reaction Specificity
Keywords: ALAS, 5-aminolevulinate synthase; AATase, aspartate aminotransferase; l-Cth, l-cystathionine; CBL, cystathionine β-lyase; CBS, cystathionine β-synthase; hCBS, human CBS; yCBS, yeast CBS; ytCBS, truncated yCBS (residues 1 - 353); DTNB, 5,5′-dithio-bis-(2-n