Uniprot ID	Q5WH08
Uniprot Name	RIBBA_BACSK
Taxonomy ID	66692
Sequence	M F E S I D E A I T Q L K A G G M I L V V D D E D R E N E G D F L A L A E T A S P E T I N F M A T H G R G L I C V P L T E E Q A E R L Q L G Q M V S H S T D P H G T A F T V S V D H S H T T T G I S A F E R A E T V R A L A D A N A Q P S D F K R P G H V F P L V A K N G G V L R R A G H T E A A V D F A K L C G A K P A G V I C E V M N E D G S M A R V P E L R I I A D Q H N L P L V T I K D L I A Y R R K T E K V V T R E V A I S L P T E Y G D F K A V G Y T N T I D G K E S V A L V K G D V G N G E P V L V R V H S E C L T G D V F G S K R C D C G P Q L H A A L K Q I E A E G R G V L L Y M K Q E G R G I G L I N K F R A Y K L Q E E G Y D T V E A N E R L G F P A D L R E Y G I G A Q I L R D L G I R D M R L L T N N P R K I A G L E G Y D L N I V E R V P L Q M E A V A E N E R Y L H T K R E K L G H M L N L
Cofactor	COFACTOR: Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000255|HAMAP-Rule:MF_01283}; Name=Mn(2+); Xref=ChEBI:CHEBI:29035; Evidence={ECO:0000255|HAMAP-Rule:MF_01283}; Note=Binds 2 divalent metal cations per subunit. Magnesium or manganese. {ECO:0000255|HAMAP-Rule:MF_01283}; COFACTOR: Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000255|HAMAP-Rule:MF_01283}; Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01283};
Active site	ACT_SITE 327 327 Proton acceptor; for GTP cyclohydrolase activity. {ECO:0000255|HAMAP-Rule:MF_01283}.; ACT_SITE 329 329 Nucleophile; for GTP cyclohydrolase activity. {ECO:0000255|HAMAP-Rule:MF_01283}.
Pfam	PF00926 PF00925
InterPro	IPR017945 IPR000422 IPR032677 IPR000926 IPR036144 IPR016299