Uniprot ID	B4S5Y8
Uniprot Name	RIBBA_PROA2
Taxonomy ID	290512
Sequence	M S E K K I D S I E S A I E D L K N G K L I I V I D D E D R E D E G D F I A A A D K V T P E M V N F I T K E A R G L L C V A V T M D R A K E L Q L D P M V Q R N T S Q H E T N F T V S V D A L A E G V T T G I S A F D R Y M T I K M L A D P V S H A D N F S R P G H I F P L R A M D G G V L R R V G H T E A A V D L A E L A G S T P V G L L C E I L H D D G S M A R L P E L L K I K E K F D L K L I T I K D L V A Y Q M K R K K L V A R A V E T S L P T R H G D F R L I A Y E A C C D S Q Q Q N H L A F V K G D F S T D E P V L V R V H S Q C A T G D I F A S L R C D C G N Q L A S A M Q Q I E K A G K G V L I Y L M Q E G R G I G L I N K L K A Y N L Q D Q G F D T V E A N E Q L G F K A D L R D Y G I G A Q I L Q D L G V K K M R L L T N N P K K I V G L E G Y G L E I V E R V P I E I A P N S V N L S Y L E T K R D K M G H M I N C S C N C S G V S Q Q D N H T Q Q
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 335 335 Proton acceptor; for GTP cyclohydrolase activity. {ECO:0000255|HAMAP-Rule:MF_01283}.; ACT_SITE 337 337 Nucleophile; for GTP cyclohydrolase activity. {ECO:0000255|HAMAP-Rule:MF_01283}.
Pfam	PF00926 PF00925
InterPro	IPR017945 IPR000422 IPR032677 IPR000926 IPR036144 IPR016299