ID GCH4_PSEA6 Reviewed; 306 AA. AC Q15Z55; DT 29-MAY-2007, integrated into UniProtKB/Swiss-Prot. DT 25-JUL-2006, sequence version 1. DT 27-MAR-2024, entry version 108. 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=Patl_0301; OS Pseudoalteromonas atlantica (strain T6c / ATCC BAA-1087). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales; OC Alteromonadaceae; Paraglaciecola. OX NCBI_TaxID=3042615; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=T6c / ATCC BAA-1087; 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 Saunders E., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J., RA Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Karls A.C., RA Bartlett D., Higgins B.P., Richardson P.; RT "Complete sequence of Pseudoalteromonas atlantica T6c."; RL Submitted (JUN-2006) 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; CP000388; ABG38833.1; -; Genomic_DNA. DR RefSeq; WP_011573231.1; NC_008228.1. DR AlphaFoldDB; Q15Z55; -. DR SMR; Q15Z55; -. DR STRING; 342610.Patl_0301; -. DR KEGG; pat:Patl_0301; -. DR eggNOG; COG1469; Bacteria. DR HOGENOM; CLU_062816_0_0_6; -. DR OrthoDB; 239637at2; -. DR UniPathway; UPA00848; UER00151. DR Proteomes; UP000001981; 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. FT CHAIN 1..306 FT /note="GTP cyclohydrolase FolE2" FT /id="PRO_0000289505" FT SITE 155 FT /note="May be catalytically important" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01527" SQ SEQUENCE 306 AA; 33502 MW; 853227950BC4DA35 CRC64; MGMTLPDITS SENVASAAPL KWVGMEGITV PIQVPMSGEV PAYVNAKTDV YVSLDKSDAK GIHMSRLFLK LNDILGTELL SSTSLTALLN ELILSQQGLS QGAKVNLDFA LTLRKKALLS NEFGYQSYPI GISTQLVKGV ARTVLSLTIA YSSTCPCSSA LAQQALSDAI SQRFDDEMIS KSELTQWITS KTGAVATPHS QRSYAYIKLT LDGDALPNLP ELITLLETTI GTPVQTAVKR QDEQAFAKLN AENLMFCEDA ARRLKRALER KENVLDYWFK VEHQESLHAH NAVAIDFKDN ADEDTM //