ID   GCH4_STAAB              Reviewed;         292 AA.
AC   Q2YS98;
DT   29-MAY-2007, integrated into UniProtKB/Swiss-Prot.
DT   20-DEC-2005, sequence version 1.
DT   25-MAY-2022, entry version 86.
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=SAB0516c;
OS   Staphylococcus aureus (strain bovine RF122 / ET3-1).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=273036;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=bovine RF122 / ET3-1;
RX   PubMed=17971880; DOI=10.1371/journal.pone.0001120;
RA   Herron-Olson L., Fitzgerald J.R., Musser J.M., Kapur V.;
RT   "Molecular correlates of host specialization in Staphylococcus aureus.";
RL   PLoS ONE 2:E1120-E1120(2007).
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; AJ938182; CAI80204.1; -; Genomic_DNA.
DR   RefSeq; WP_000134232.1; NC_007622.1.
DR   AlphaFoldDB; Q2YS98; -.
DR   SMR; Q2YS98; -.
DR   KEGG; sab:SAB0516c; -.
DR   HOGENOM; CLU_062816_1_1_9; -.
DR   OMA; PCSQGMS; -.
DR   UniPathway; UPA00848; UER00151.
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.
FT   CHAIN           1..292
FT                   /note="GTP cyclohydrolase FolE2"
FT                   /id="PRO_0000289522"
FT   SITE            176
FT                   /note="May be catalytically important"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01527"
SQ   SEQUENCE   292 AA;  33482 MW;  22E051A090E85536 CRC64;
     MTEFDLSTRE GRWKHFGSVD PIEGTKPTTK NEMTDLQSTH KDFLFEIEEV GIKNLVYPVL
     VDQYQTAGTF SFSTSLTKDE KGINMSRIIE SVEKHYDNGI ELEFNTLYQV LRTLQTNMKQ
     NAAGVDVSGK WFFDRYSPTT NIKAVGNADV TYGLAIDGDK VTRKELTIEA TVTTLCPCSK
     EISEYSAHNQ RGVVTVKTYI NKDQDIVDDY KNKILDAMEA NASSILYPIL KRPDEKRVTE
     RAYENPRFVE DLIRLIAADL VEFDWLDGFD IECRNEESIH QHDAFAKLKY RK