ID GCH4_DESDA Reviewed; 260 AA. AC B8J1Q5; DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot. DT 03-MAR-2009, sequence version 1. DT 27-MAR-2024, entry version 67. 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=Ddes_1766; OS Desulfovibrio desulfuricans (strain ATCC 27774 / DSM 6949 / MB). OC Bacteria; Thermodesulfobacteriota; Desulfovibrionia; Desulfovibrionales; OC Desulfovibrionaceae; Desulfovibrio. OX NCBI_TaxID=525146; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 27774 / DSM 6949 / MB; RG US DOE Joint Genome Institute; RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Tice H., Bruce D., RA Goodwin L., Pitluck S., Sims D., Lu M., Kiss H., Meineke L., Brettin T., RA Detter J.C., Han C., Larimer F., Land M., Hauser L., Kyrpides N., RA Ovchinnikova G., Hazen T.C.; RT "Complete sequence of Desulfovibrio desulfuricans subsp. desulfuricans str. RT ATCC 27774."; RL Submitted (JAN-2009) 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 --------------------------------------------------------------------------- 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; CP001358; ACL49663.1; -; Genomic_DNA. DR AlphaFoldDB; B8J1Q5; -. DR SMR; B8J1Q5; -. DR STRING; 525146.Ddes_1766; -. DR KEGG; dds:Ddes_1766; -. DR eggNOG; COG1469; Bacteria. DR HOGENOM; CLU_062816_1_1_7; -. DR UniPathway; UPA00848; UER00151. 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. FT CHAIN 1..260 FT /note="GTP cyclohydrolase FolE2" FT /id="PRO_1000185151" FT SITE 145 FT /note="May be catalytically important" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01527" SQ SEQUENCE 260 AA; 29705 MW; C62D820FCCE2744C CRC64; MEDVQSHAPQ IPLNIDRVGV RELRLPLLVR DRTRGTQQTV ASVDLGVDLP SEFKGTHMSR FVEALEQWND EISYQSVRRL LQDIRQRLEA RRAYARFCFP YFISKAAPAS GSPALVSYQC RLTGELDDAG QHFILEVDVP VMTVCPCSKA ISNEGAHSQR AMVRMRLRMK AFSWLEDFID IAEASGSSAV YTLLKREDEK YVTEHAFAHP TFVEDVVRNV AQRLSEHGQV EWFSVEVESM ESIHNHNAFA RIERHISDRS //