Uniprot ID	Q8A528
Uniprot Name	RIBBA_BACTN
Taxonomy ID	226186
Sequence	M E E I K M D R I E D A I A D F K E G K F V I V V D D E D R E N E G D L I I A A E K I T P E K V N F M L K H A R G V L C A P I T V S R C K E L D L P H Q V S D N T S V L G T P F T V T I D K L E G C S T G V S A S D R A A T I Q A L A D P A S T P A T F G R P G H I N P L Y A Q E K G V L R R A G H T E A T I D M A R L A G L Y P A G A L M E I M S D D G T M A R L P E L R A M A D E H G L K L I S I H D L I A Y R L K Q E S I V E K G V E V N M P T E H G M F R L I P F R Q K S N G L E H M A I F K G T W N E D E P I L V R V H S S C A T G D I L G S H R C D C G E Q L H K A M E M I E K E G K G V V V Y L N Q E G R G I G L M E K M K A Y K L Q E D G M D T V D A N L C L G H L A D E R D Y G V G A Q I L R E L G V H K M K L L T N N P V K R V G L E A Y G L E I V E N V P V E T V P N P Y N E R Y L R T K K E R M G H T L H F N K
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 332 332 Proton acceptor; for GTP cyclohydrolase activity. {ECO:0000255|HAMAP-Rule:MF_01283}.; ACT_SITE 334 334 Nucleophile; for GTP cyclohydrolase activity. {ECO:0000255|HAMAP-Rule:MF_01283}.
Pfam	PF00926 PF00925
InterPro	IPR017945 IPR000422 IPR032677 IPR000926 IPR036144 IPR016299