ID   4.2.1.75
DE   Uroporphyrinogen-III synthase.
AN   Hydroxymethylbilane hydro-lyase (cyclizing).
AN   Uroporphyrinogen-III cosynthase.
AN   Uroporphyrinogen-III cosynthetase.
CA   Hydroxymethylbilane = uroporphyrinogen III + H(2)O.
CC   -!- In the presence of EC 2.5.1.61, forms uroporphyrinogen III from
CC       porphobilinogen.
DR   O48721, HEM4_ARATH ;  O30120, HEM4_ARCFU ;  P21248, HEM4_BACSU ;
DR   Q59335, HEM4_CHLP8 ;  Q8KCJ3, HEM4_CHLTE ;  Q59294, HEM4_CLOJO ;
DR   P09126, HEM4_ECOLI ;  P10746, HEM4_HUMAN ;  Q58401, HEM4_METJA ;
DR   O26268, HEM4_METTH ;  P51163, HEM4_MOUSE ;  Q10QR9, HEM4_ORYSJ ;
DR   Q59683, HEM4_PROMI ;  P48246, HEM4_PSEAE ;  Q9L6Q3, HEM4_SALTY ;
DR   P87214, HEM4_SCHPO ;  P42452, HEM4_SYNE7 ;  P06174, HEM4_YEAST ;
//