part of thiamine biosynthetic process sulfurtransferase activity thiazole synthase activity https://github.com/geneontology/go-ontology/issues/28942 GO:1990107 2013-05-28T12:36:04Z pr 1-deoxy-D-xylulose 5-phosphate:thiol sulfurtransferase activity molecular_function EC:2.8.1.10 Part of the pathway for thiamine biosynthesis. Catalysis of the reaction: 1-deoxy-D-xylulose 5-phosphate + 2-iminoacetate + [sulfur-carrier protein ThiS]-C-terminal Gly-NH-CH2-C(O)SH = 2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-ylidene]ethyl phosphate + [sulfur-carrier protein ThiS]-C-terminal Gly-Gly + 2 H+ + 2 H2O. RHEA:26297