ID   GCH4_GEOUR              Reviewed;         271 AA.
AC   A5G8S1;
DT   05-MAY-2009, integrated into UniProtKB/Swiss-Prot.
DT   05-MAY-2009, sequence version 2.
DT   25-MAY-2022, entry version 80.
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}; OrderedLocusNames=Gura_4045;
OS   Geotalea uraniireducens (strain Rf4) (Geobacter uraniireducens).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Desulfuromonadales;
OC   Geobacteraceae; Geotalea.
OX   NCBI_TaxID=351605;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1134 / JCM 13001 / Rf4;
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   Chertkov O., Brettin T., Bruce D., Han C., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Mikhailova N., Shelobolina E., Aklujkar M.,
RA   Lovley D., Richardson P.;
RT   "Complete sequence of Geobacter uraniireducens Rf4.";
RL   Submitted (MAY-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   -!- SEQUENCE CAUTION:
CC       Sequence=ABQ28189.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000698; ABQ28189.1; ALT_INIT; Genomic_DNA.
DR   AlphaFoldDB; A5G8S1; -.
DR   SMR; A5G8S1; -.
DR   STRING; 351605.Gura_4045; -.
DR   EnsemblBacteria; ABQ28189; ABQ28189; Gura_4045.
DR   KEGG; gur:Gura_4045; -.
DR   HOGENOM; CLU_062816_1_1_7; -.
DR   UniPathway; UPA00848; UER00151.
DR   Proteomes; UP000006695; 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   HAMAP; MF_01527_B; GTP_cyclohydrol_B; 1.
DR   InterPro; IPR022838; GTP_cyclohydrolase_FolE2.
DR   InterPro; IPR003801; GTP_cyclohydrolase_FolE2/MptA.
DR   PANTHER; PTHR36445; PTHR36445; 1.
DR   Pfam; PF02649; GCHY-1; 1.
DR   TIGRFAMs; TIGR00294; TIGR00294; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Reference proteome.
FT   CHAIN           1..271
FT                   /note="GTP cyclohydrolase FolE2"
FT                   /id="PRO_0000372030"
FT   SITE            144
FT                   /note="May be catalytically important"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01527"
SQ   SEQUENCE   271 AA;  31024 MW;  E795508578440CB3 CRC64;
     MSDVQKSRDT RNIPISKVGV KDISYPIVIM DKNKSIQHTV ARINMYVDLP HHFKGTHMSR
     FIEILNVYRE KIALDNMEAM LQRMKEKLGA GSAHVEIEFP YFIEKKAPAS GAKSLMEYTC
     EFSASLSSEF DFILGIKVPV TSLCPCSKEL SHYGAHNQRS IMTVRVRYRE FVWIEDLIEI
     VEGCGSSPVY SLLKREDEKF VTEKAYENPK FVEDMVREAT QKLLAMEKIT WFSVEAENFE
     SIHNHSAYAA IERDKREKGV DNPVDKPGNC G