title: A sulfhydryl group is not the covalent catalyst in the thymidylate synthetase reaction.
mesh_terms: D001565:Benzoates; D001665:Binding Sites; D002250:Carbon Radioisotopes; D002850:Chromatography, Gel; D002855:Chromatography, Thin Layer; D003545:Cysteine / Q000032:analysis; D004220:Disulfides; D005033:Ethylmaleimide; D005467:Floxuridine; D008780:Methyltransferases; D009574:Nitro Compounds; D011485:Protein Binding; D013056:Spectrophotometry, Ultraviolet; D013438:Sulfhydryl Compounds / Q000032:analysis; D013940:Thymidylate Synthase / Q000378:metabolism; D014500:Uracil Nucleotides
chemical_list: D001565:Benzoates; D002250:Carbon Radioisotopes; D004220:Disulfides; D009574:Nitro Compounds; D013438:Sulfhydryl Compounds; D014500:Uracil Nucleotides; D005467:Floxuridine; D008780:Methyltransferases; D013940:Thymidylate Synthase; D003545:Cysteine; D005033:Ethylmaleimide