ID   GCH4_PSEAE              Reviewed;         298 AA.
AC   Q9HT35;
DT   01-FEB-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2001, sequence version 1.
DT   27-MAR-2024, entry version 100.
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=PA5539;
OS   Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM
OS   14847 / LMG 12228 / 1C / PRS 101 / PAO1).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=208964;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 /
RC   1C / PRS 101 / PAO1;
RX   PubMed=10984043; DOI=10.1038/35023079;
RA   Stover C.K., Pham X.-Q.T., Erwin A.L., Mizoguchi S.D., Warrener P.,
RA   Hickey M.J., Brinkman F.S.L., Hufnagle W.O., Kowalik D.J., Lagrou M.,
RA   Garber R.L., Goltry L., Tolentino E., Westbrock-Wadman S., Yuan Y.,
RA   Brody L.L., Coulter S.N., Folger K.R., Kas A., Larbig K., Lim R.M.,
RA   Smith K.A., Spencer D.H., Wong G.K.-S., Wu Z., Paulsen I.T., Reizer J.,
RA   Saier M.H. Jr., Hancock R.E.W., Lory S., Olson M.V.;
RT   "Complete genome sequence of Pseudomonas aeruginosa PAO1, an opportunistic
RT   pathogen.";
RL   Nature 406:959-964(2000).
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}.
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DR   EMBL; AE004091; AAG08924.1; -; Genomic_DNA.
DR   PIR; H82953; H82953.
DR   RefSeq; NP_254226.1; NC_002516.2.
DR   RefSeq; WP_003099665.1; NZ_QZGE01000012.1.
DR   AlphaFoldDB; Q9HT35; -.
DR   SMR; Q9HT35; -.
DR   STRING; 208964.PA5539; -.
DR   PaxDb; 208964-PA5539; -.
DR   DNASU; 877616; -.
DR   GeneID; 877616; -.
DR   KEGG; pae:PA5539; -.
DR   PATRIC; fig|208964.12.peg.5805; -.
DR   PseudoCAP; PA5539; -.
DR   HOGENOM; CLU_062816_0_0_6; -.
DR   InParanoid; Q9HT35; -.
DR   OrthoDB; 239637at2; -.
DR   PhylomeDB; Q9HT35; -.
DR   BioCyc; PAER208964:G1FZ6-5666-MONOMER; -.
DR   UniPathway; UPA00848; UER00151.
DR   Proteomes; UP000002438; Chromosome.
DR   GO; GO:0003933; F:GTP cyclohydrolase activity; IBA:GO_Central.
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..298
FT                   /note="GTP cyclohydrolase FolE2"
FT                   /id="PRO_0000147719"
FT   SITE            149
FT                   /note="May be catalytically important"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01527"
SQ   SEQUENCE   298 AA;  32416 MW;  56C9CF2B60280239 CRC64;
     MNALTLPDIA RQTTTADLPL DWVGMQGIAL PVQIGGQRVA AEADAGVSLD DPQARGIHMS
     RLYLALAELE QGELDLSCLR AVLQRFLDSH AGLSRRAYLR LRLAPLLRRP ALVSPLSGWK
     RYPLVLDTRL EGDDFQAEVH LELTYSSTCP CSAALARQLI QERFDQDFAG QPLDHASVLA
     WLGSSAGIVA TPHSQRSSAH LRIGLAEDCI GLPLEELADL GESALGTAVQ TAVKRADEQA
     FALANGQNLM FCEDAVRRLH RALQGYPQAS RFSIRVVHAE SLHAHDAVAE SHWQRGAA
//