ID   GCH4_FERNB              Reviewed;         261 AA.
AC   A7HKP2;
DT   05-MAY-2009, integrated into UniProtKB/Swiss-Prot.
DT   11-SEP-2007, sequence version 1.
DT   25-MAY-2022, entry version 74.
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=Fnod_0620;
OS   Fervidobacterium nodosum (strain ATCC 35602 / DSM 5306 / Rt17-B1).
OC   Bacteria; Thermotogae; Thermotogales; Fervidobacteriaceae;
OC   Fervidobacterium.
OX   NCBI_TaxID=381764;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35602 / DSM 5306 / Rt17-B1;
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., Saunders E., Brettin T., Bruce D., Detter J.C.,
RA   Han C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Mikhailova N., Nelson K., Gogarten J.P., Noll K., Richardson P.;
RT   "Complete sequence of Fervidobacterium nodosum Rt17-B1.";
RL   Submitted (JUL-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; CP000771; ABS60475.1; -; Genomic_DNA.
DR   AlphaFoldDB; A7HKP2; -.
DR   SMR; A7HKP2; -.
DR   STRING; 381764.Fnod_0620; -.
DR   PRIDE; A7HKP2; -.
DR   EnsemblBacteria; ABS60475; ABS60475; Fnod_0620.
DR   KEGG; fno:Fnod_0620; -.
DR   eggNOG; COG1469; Bacteria.
DR   HOGENOM; CLU_062816_1_1_0; -.
DR   OMA; PCSQGMS; -.
DR   UniPathway; UPA00848; UER00151.
DR   Proteomes; UP000002415; 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..261
FT                   /note="GTP cyclohydrolase FolE2"
FT                   /id="PRO_0000372029"
FT   SITE            146
FT                   /note="May be catalytically important"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01527"
SQ   SEQUENCE   261 AA;  30365 MW;  5F9301E4A0C00D0C CRC64;
     MLKDVQNERD NRNIYLKRVG VKDLRYPIVV LDRTNVTQNT IATLNMFVDL PKDYRGTHMS
     RFIEVLNEYH LEINPKRIKE ILRSLKKVLN AKRSVIEITF PFFLLKKAPV TGSESYLEYT
     CSFEAEMNGD HLDFSTTVTA PIHTLCPCSK EISEYGAHNQ RAKCSVTFKS KEMVWIEDII
     EIIEESASAP IFTLLKRADE KYVTEHAYDN PKFVEDVARD VALRLKKYDK IEWYKVEVES
     FESIHAHNAY ACLTSDEIEK I