Uniprot ID	Q9X2E6
Uniprot Name	RIBBA_THEMA
Taxonomy ID	243274
Sequence	M E E L R E A F E E G K P V I L I D R N R E N E A D F V F P A Q L I T E D V V S F F V T Y G K G L F C V T A D E E D L L K R G F V K L S S N Y G A N Y F V P V D W G T G T G I S A L E R A E T C R K L A E G R Y F H E F R Y P G H V T V I G G I G F Q R R K G H T E A S L E I S E L A G F S R H A V I V E I L D E K G N S H N L D Y V L K L S E K F S L P V L E M D D V W R E F V K R K L L M K K K A E A T L P T D F G V F K V V S F E N H L D G K E H F A I V K E P L E D P V A V R I H S E C V T G D V L S S L R C D C G S Q L A N F L R Y M S A H G G I L I Y L R Q E G R G I G L S N K I A A Y S L Q D K G L D T V E A N R V L G F S E D E R D Y A P A A Q I L K A L G I E R V L L F T N N Q R K T V G L E K Y G I E V V E T K R L Y G R V T P H N R F Y L S T K M K K L G H E L E E I F R E V N S
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 311 311 Proton acceptor; for GTP cyclohydrolase activity. {ECO:0000255|HAMAP-Rule:MF_01283}.; ACT_SITE 313 313 Nucleophile; for GTP cyclohydrolase activity. {ECO:0000255|HAMAP-Rule:MF_01283}.
Pfam	PF00926 PF00925
InterPro	IPR017945 IPR000422 IPR032677 IPR000926 IPR036144 IPR016299