ID   GCH4_PSELT              Reviewed;         258 AA.
AC   A8F7Q8;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   25-MAY-2022, entry version 72.
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=Tlet_1638;
OS   Pseudothermotoga lettingae (strain ATCC BAA-301 / DSM 14385 / NBRC 107922 /
OS   TMO) (Thermotoga lettingae).
OC   Bacteria; Thermotogae; Thermotogales; Thermotogaceae; Pseudothermotoga.
OX   NCBI_TaxID=416591;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-301 / DSM 14385 / NBRC 107922 / TMO;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Foster B., Bruce D., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Mikhailova N., Nelson K., Gogarten J.P., Noll K.,
RA   Richardson P.;
RT   "Complete sequence of Thermotoga lettingae TMO.";
RL   Submitted (AUG-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}.
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DR   EMBL; CP000812; ABV34192.1; -; Genomic_DNA.
DR   RefSeq; WP_012003668.1; NC_009828.1.
DR   AlphaFoldDB; A8F7Q8; -.
DR   SMR; A8F7Q8; -.
DR   STRING; 416591.Tlet_1638; -.
DR   EnsemblBacteria; ABV34192; ABV34192; Tlet_1638.
DR   KEGG; tle:Tlet_1638; -.
DR   eggNOG; COG1469; Bacteria.
DR   HOGENOM; CLU_062816_1_1_0; -.
DR   OMA; PCSQGMS; -.
DR   OrthoDB; 757842at2; -.
DR   UniPathway; UPA00848; UER00151.
DR   Proteomes; UP000002016; 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.
PE   3: Inferred from homology;
KW   Hydrolase; Reference proteome.
FT   CHAIN           1..258
FT                   /note="GTP cyclohydrolase FolE2"
FT                   /id="PRO_0000316534"
FT   SITE            145
FT                   /note="May be catalytically important"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01527"
SQ   SEQUENCE   258 AA;  30210 MW;  1710C281F38810CF CRC64;
     MKDVQNQPDN RNIYLQRVGI RNLQYPVTVM DRNNGYQDTV ATINMYVDLP VNFRGTHMSR
     FVEVLNRYRL GIDPKIIKNM LEELRNNLNA SVARVEIEFP YFILKKAPVS SIESFLKYTC
     RIEGQKTEKL YEFTMSVGVP IMTLCPCSKE ISERGAHNQR AMAWIHIKSK KMIWFEELID
     AAEQAASSPV FTILKRVDEK FVTEHAYDNP RFVEDVAREI AVRLNRDERI SWYRVEVESF
     ESIHDHSAYA CVMKDKED