Uniprot ID	Q64YT3
Uniprot Name	RIBBA_BACFR
Taxonomy ID	295405
Sequence	M E P I R L N T I E E A I A D F K E G N F V I V V D D E D R E N E G D F I I A A E K I T P E K V N F M L T H G R G V L C A P I T E E R C A E L E L D M Q V S S N T S I Y E T P F T V T V D L L E G C T T G V S M H D R A M T I R A L A D P K T K P A D L G R P G H I N P L R A R S R G V L R R A G H T E A S V D L A K L A G L Y P A A A L I E I I N E D G T M A R L P Q L V E V A R R F G L K I I S I K D L I A Y R L Q M E S I V D R G V E V D M P T Q F G H F R L I P F R Q K S N G M E H I A L I K G T W D T D E P I L V R V H S S C M T G D I F G S C R C E C G E Q L H K A M E M I E A A G K G V I V Y M N Q E G R G I G L M N K I A A Y K L Q E E G Y D T V D A N L H L G F D A D E R D Y G V G A Q I L R E I G V K K M K L M T N N P V K R I G L E A Y G L E I T E N V G I E I K P N P Y N E R Y L K T K K D 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