ID GCH4_PARP8 Reviewed; 268 AA. AC B2JP67; DT 05-MAY-2009, integrated into UniProtKB/Swiss-Prot. DT 10-JUN-2008, sequence version 1. DT 27-MAR-2024, entry version 79. 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=Bphy_3947; OS Paraburkholderia phymatum (strain DSM 17167 / CIP 108236 / LMG 21445 / OS STM815) (Burkholderia phymatum). OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales; OC Burkholderiaceae; Paraburkholderia. OX NCBI_TaxID=391038; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=DSM 17167 / CIP 108236 / LMG 21445 / STM815; RX PubMed=25197461; DOI=10.4056/sigs.4861021; RA Moulin L., Klonowska A., Caroline B., Booth K., Vriezen J.A., Melkonian R., RA James E.K., Young J.P., Bena G., Hauser L., Land M., Kyrpides N., Bruce D., RA Chain P., Copeland A., Pitluck S., Woyke T., Lizotte-Waniewski M., RA Bristow J., Riley M.; RT "Complete genome sequence of Burkholderia phymatum STM815(T), a broad host RT range and efficient nitrogen-fixing symbiont of Mimosa species."; RL Stand. Genomic Sci. 9:763-774(2014). 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; CP001044; ACC73070.1; -; Genomic_DNA. DR RefSeq; WP_012403243.1; NZ_CADFGH010000005.1. DR AlphaFoldDB; B2JP67; -. DR SMR; B2JP67; -. DR STRING; 391038.Bphy_3947; -. DR KEGG; bph:Bphy_3947; -. DR eggNOG; COG1469; Bacteria. DR HOGENOM; CLU_062816_1_1_4; -. DR OrthoDB; 9774824at2; -. DR UniPathway; UPA00848; UER00151. DR Proteomes; UP000001192; 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..268 FT /note="GTP cyclohydrolase FolE2" FT /id="PRO_0000372025" FT SITE 154 FT /note="May be catalytically important" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01527" SQ SEQUENCE 268 AA; 30032 MW; 9F0C46D021A72010 CRC64; MNQMNPAFVM PDVQSTVDTR QIPIQRVGVK AVRHPLTVRT PDGSAQPTVG TWNLDVHLPA EVKGTHMSRF VALLEENKAP LDSSAFRALL TSMLEKLEAP AGRIEVSFPY FVNKTAPVSG VQSLLDYEVS LMGDSRDGAT RLFLKVLVPV TSLCPCSKKI SQYGAHNQRS HVTINAELID DVPVEDLIRI AEEEASCELW GLLKRPDEKF VTERAYENPK FVEDLVRDVA QRLNDDHRIV AYVLEAENFE SIHNHSAYAV IESDKRLR //