Uniprot ID	B1H0I0
Uniprot Name	RIBBA_UNCTG
Taxonomy ID	471821
Sequence	M K N K V F A S I G D A V K D I K V G R M V I V V D D P G R E N E G D L I C A A E K A S P E V I N F M T K Y A R G L I C V P M K H E R L K E L E I E N M V E K P T E K K G C S F T V S V D Y K I G T T T G I S A Y D R S V T V R K L I D K T A K H E D F A R P G H I F P L R C K E G G V L A R T G H T E A A V D L V R L A G F Y P A G I I C E I M N N D G T M A R M S D L I K F A K K H D L H I I T I G E L V N Y R R R T E K F I S E I V N V D L P T R Y G D F K L V L F E D L I T K D S H I A V V K G V V K N R Q N V L V R V H S S C E T G D I F H S L R C D C G D Q L E T A L K A V G E A E Q G V V L Y I H Q E G R G I G L A N K L K A Y R L Q E K G M D T V E A N K A L G F D P D L R D Y G I G A Q M L S E L G I K S I N L M T N N P G K I N G L E S Y G L K I T K R V P L E I S P S K S N E K Y L K T K K E K M G H M L K K V
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