ID GCH4_BURVG Reviewed; 269 AA. AC A4JLT5; DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot. DT 01-MAY-2007, sequence version 1. DT 27-MAR-2024, entry version 88. 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=Bcep1808_4258; OS Burkholderia vietnamiensis (strain G4 / LMG 22486) (Burkholderia cepacia OS (strain R1808)). OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales; OC Burkholderiaceae; Burkholderia; Burkholderia cepacia complex. OX NCBI_TaxID=269482; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=G4 / LMG 22486; 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 Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M., RA Hauser L., Kyrpides N., Tiedje J., Richardson P.; RT "Complete sequence of chromosome 2 of Burkholderia vietnamiensis G4."; RL Submitted (MAR-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 --------------------------------------------------------------------------- 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; CP000615; ABO57238.1; -; Genomic_DNA. DR AlphaFoldDB; A4JLT5; -. DR SMR; A4JLT5; -. DR KEGG; bvi:Bcep1808_4258; -. DR eggNOG; COG1469; Bacteria. DR HOGENOM; CLU_062816_1_1_4; -. DR UniPathway; UPA00848; UER00151. DR Proteomes; UP000002287; Chromosome 2. 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..269 FT /note="GTP cyclohydrolase FolE2" FT /id="PRO_1000068663" FT SITE 154 FT /note="May be catalytically important" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01527" SQ SEQUENCE 269 AA; 30152 MW; 1B2A7D05618A18BC CRC64; MNQMNPAFVM PDVQSTVDTR QIPIQRVGVK AVRHPLTVCT ESGDVQPSVG VWNLDVRLPA DQKGTHMSRF VALLEENRAP LTVERFRAML ASMLEKLEAQ AGRIEVTFPY FVNKTAPVSG VQSLLDYEVT LAGESRDGHT RVFLKVLVPV TSLCPCSKKI SQYGAHNQRS HVTIDAELAG DLPVEALIRI AEEEASCELW GLLKRPDEKF VTERAYENPK FVEDLVRDVA QRLDADERVI AYVLEAENFE SIHNHSAYAL IERDKRLAA //