Uniprot ID	Q4L7B1
Uniprot Name	RIBBA_STAHJ
Taxonomy ID	279808
Sequence	M E F D E I K D A L N A L K R G E S I I V V D D E D R E N E G D L V A I T Q W M N D N T I N F M A K E G R G L I C A P I S K D L A L K F N L M P M V E H N T D G F G T N F T V S I D H A T T S T G I S A F D R M A T A R A L I N P E S T P E D F H K P G H L F P L I A K E N G V L E R T G H T E A A V D L A K L T K A A P A G V I C E I M N E D G T M A K G E Q L E A F K H Q H G L K M I T I E S L V N Y Q K D K D T S V E L K A K V N M P T D H G A F E M Y G F E S S L T K E E I V V L A K G E P R V T E N V R I H S A C L T G D I F H S Q R C D C G A Q L E S A M K Y I N E H G G M I I Y L P Q E G R G I G L I N K L R A Y E L I E Q G H D T V T A N L A L G F D E D L R D Y H I A A Q I L N Y F N V Q Q V N L L S N N P K K F E G L S E Y G I K V A D R T P I I V A E N E H N H D Y M N T K K I K M G H L I
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 325 325 Proton acceptor; for GTP cyclohydrolase activity. {ECO:0000255|HAMAP-Rule:MF_01283}.; ACT_SITE 327 327 Nucleophile; for GTP cyclohydrolase activity. {ECO:0000255|HAMAP-Rule:MF_01283}.
Pfam	PF00926 PF00925
InterPro	IPR017945 IPR000422 IPR032677 IPR000926 IPR036144 IPR016299