ID GCH4_GEOUR Reviewed; 271 AA. AC A5G8S1; DT 05-MAY-2009, integrated into UniProtKB/Swiss-Prot. DT 05-MAY-2009, sequence version 2. DT 27-MAR-2024, entry version 87. DE RecName: Full=GTP cyclohydrolase FolE2 {ECO:0000255|HAMAP-Rule:MF_01527}; DE EC=3.5.4.16 {ECO:0000255|HAMAP-Rule:MF_01527}; GN Name=folE2 {ECO:0000255|HAMAP-Rule:MF_01527}; GN OrderedLocusNames=Gura_4045; OS Geotalea uraniireducens (strain Rf4) (Geobacter uraniireducens). OC Bacteria; Thermodesulfobacteriota; Desulfuromonadia; Geobacterales; OC Geobacteraceae; Geotalea. OX NCBI_TaxID=351605; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC BAA-1134 / JCM 13001 / Rf4; RG US DOE Joint Genome Institute; RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S., RA Chertkov O., Brettin T., Bruce D., Han C., Schmutz J., Larimer F., Land M., RA Hauser L., Kyrpides N., Mikhailova N., Shelobolina E., Aklujkar M., RA Lovley D., Richardson P.; RT "Complete sequence of Geobacter uraniireducens Rf4."; RL Submitted (MAY-2007) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: Converts GTP to 7,8-dihydroneopterin triphosphate. CC {ECO:0000255|HAMAP-Rule:MF_01527}. CC -!- CATALYTIC ACTIVITY: CC Reaction=GTP + H2O = 7,8-dihydroneopterin 3'-triphosphate + formate + CC H(+); Xref=Rhea:RHEA:17473, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, CC ChEBI:CHEBI:15740, ChEBI:CHEBI:37565, ChEBI:CHEBI:58462; EC=3.5.4.16; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01527}; CC -!- PATHWAY: Cofactor biosynthesis; 7,8-dihydroneopterin triphosphate CC biosynthesis; 7,8-dihydroneopterin triphosphate from GTP: step 1/1. CC {ECO:0000255|HAMAP-Rule:MF_01527}. CC -!- SIMILARITY: Belongs to the GTP cyclohydrolase IV family. CC {ECO:0000255|HAMAP-Rule:MF_01527}. CC -!- SEQUENCE CAUTION: CC Sequence=ABQ28189.1; Type=Erroneous initiation; Evidence={ECO:0000305}; CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP000698; ABQ28189.1; ALT_INIT; Genomic_DNA. DR RefSeq; WP_011940826.1; NC_009483.1. DR AlphaFoldDB; A5G8S1; -. DR SMR; A5G8S1; -. DR STRING; 351605.Gura_4045; -. DR KEGG; gur:Gura_4045; -. DR HOGENOM; CLU_062816_1_1_7; -. DR OrthoDB; 9774824at2; -. DR UniPathway; UPA00848; UER00151. DR Proteomes; UP000006695; Chromosome. DR GO; GO:0003934; F:GTP cyclohydrolase I activity; IEA:UniProtKB-UniRule. DR GO; GO:0035998; P:7,8-dihydroneopterin 3'-triphosphate biosynthetic process; IEA:UniProtKB-UniPathway. DR Gene3D; 3.10.270.10; Urate Oxidase; 1. DR HAMAP; MF_01527_B; GTP_cyclohydrol_B; 1. DR InterPro; IPR022838; GTP_cyclohydrolase_FolE2. DR InterPro; IPR003801; GTP_cyclohydrolase_FolE2/MptA. DR PANTHER; PTHR36445; GTP CYCLOHYDROLASE MPTA; 1. DR PANTHER; PTHR36445:SF1; GTP CYCLOHYDROLASE MPTA; 1. DR Pfam; PF02649; GCHY-1; 1. PE 3: Inferred from homology; KW Hydrolase; Reference proteome. FT CHAIN 1..271 FT /note="GTP cyclohydrolase FolE2" FT /id="PRO_0000372030" FT SITE 144 FT /note="May be catalytically important" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01527" SQ SEQUENCE 271 AA; 31024 MW; E795508578440CB3 CRC64; MSDVQKSRDT RNIPISKVGV KDISYPIVIM DKNKSIQHTV ARINMYVDLP HHFKGTHMSR FIEILNVYRE KIALDNMEAM LQRMKEKLGA GSAHVEIEFP YFIEKKAPAS GAKSLMEYTC EFSASLSSEF DFILGIKVPV TSLCPCSKEL SHYGAHNQRS IMTVRVRYRE FVWIEDLIEI VEGCGSSPVY SLLKREDEKF VTEKAYENPK FVEDMVREAT QKLLAMEKIT WFSVEAENFE SIHNHSAYAA IERDKREKGV DNPVDKPGNC G //