GCH1_HELPY
ID GCH1_HELPY Reviewed; 180 AA.
AC P56462;
DT 15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT 15-JUL-1998, sequence version 1.
DT 03-AUG-2022, entry version 119.
DE RecName: Full=GTP cyclohydrolase 1;
DE EC=3.5.4.16;
DE AltName: Full=GTP cyclohydrolase I;
DE Short=GTP-CH-I;
GN Name=folE; OrderedLocusNames=HP_0928;
OS Helicobacter pylori (strain ATCC 700392 / 26695) (Campylobacter pylori).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Helicobacteraceae; Helicobacter.
OX NCBI_TaxID=85962;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700392 / 26695;
RX PubMed=9252185; DOI=10.1038/41483;
RA Tomb J.-F., White O., Kerlavage A.R., Clayton R.A., Sutton G.G.,
RA Fleischmann R.D., Ketchum K.A., Klenk H.-P., Gill S.R., Dougherty B.A.,
RA Nelson K.E., Quackenbush J., Zhou L., Kirkness E.F., Peterson S.N.,
RA Loftus B.J., Richardson D.L., Dodson R.J., Khalak H.G., Glodek A.,
RA McKenney K., FitzGerald L.M., Lee N., Adams M.D., Hickey E.K., Berg D.E.,
RA Gocayne J.D., Utterback T.R., Peterson J.D., Kelley J.M., Cotton M.D.,
RA Weidman J.F., Fujii C., Bowman C., Watthey L., Wallin E., Hayes W.S.,
RA Borodovsky M., Karp P.D., Smith H.O., Fraser C.M., Venter J.C.;
RT "The complete genome sequence of the gastric pathogen Helicobacter
RT pylori.";
RL Nature 388:539-547(1997).
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 -!- PATHWAY: Cofactor biosynthesis; 7,8-dihydroneopterin triphosphate
CC biosynthesis; 7,8-dihydroneopterin triphosphate from GTP: step 1/1.
CC -!- SUBUNIT: Toroid-shaped homodecamer, composed of two pentamers of five
CC dimers. {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the GTP cyclohydrolase I family. {ECO:0000305}.
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DR EMBL; AE000511; AAD07973.1; -; Genomic_DNA.
DR PIR; H64635; H64635.
DR RefSeq; NP_207720.1; NC_000915.1.
DR RefSeq; WP_000427004.1; NC_018939.1.
DR AlphaFoldDB; P56462; -.
DR SMR; P56462; -.
DR DIP; DIP-3586N; -.
DR IntAct; P56462; 5.
DR MINT; P56462; -.
DR STRING; 85962.C694_04775; -.
DR PaxDb; P56462; -.
DR EnsemblBacteria; AAD07973; AAD07973; HP_0928.
DR KEGG; hpy:HP_0928; -.
DR PATRIC; fig|85962.47.peg.993; -.
DR eggNOG; COG0302; Bacteria.
DR OMA; YHETIYD; -.
DR PhylomeDB; P56462; -.
DR UniPathway; UPA00848; UER00151.
DR Proteomes; UP000000429; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR GO; GO:0005525; F:GTP binding; IBA:GO_Central.
DR GO; GO:0003934; F:GTP cyclohydrolase I activity; IBA:GO_Central.
DR GO; GO:0008270; F:zinc ion binding; IBA:GO_Central.
DR GO; GO:0035998; P:7,8-dihydroneopterin 3'-triphosphate biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0006730; P:one-carbon metabolic process; IEA:UniProtKB-UniRule.
DR GO; GO:0006729; P:tetrahydrobiopterin biosynthetic process; IBA:GO_Central.
DR GO; GO:0046654; P:tetrahydrofolate biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 1.10.286.10; -; 1.
DR Gene3D; 3.30.1130.10; -; 1.
DR HAMAP; MF_00223; FolE; 1.
DR InterPro; IPR043133; GTP-CH-I_C/QueF.
DR InterPro; IPR043134; GTP-CH-I_N.
DR InterPro; IPR001474; GTP_CycHdrlase_I.
DR InterPro; IPR018234; GTP_CycHdrlase_I_CS.
DR InterPro; IPR020602; GTP_CycHdrlase_I_dom.
DR PANTHER; PTHR11109; PTHR11109; 1.
DR Pfam; PF01227; GTP_cyclohydroI; 1.
DR TIGRFAMs; TIGR00063; folE; 1.
DR PROSITE; PS00859; GTP_CYCLOHYDROL_1_1; 1.
DR PROSITE; PS00860; GTP_CYCLOHYDROL_1_2; 1.
PE 3: Inferred from homology;
KW GTP-binding; Hydrolase; Metal-binding; Nucleotide-binding;
KW One-carbon metabolism; Reference proteome; Zinc.
FT CHAIN 1..180
FT /note="GTP cyclohydrolase 1"
FT /id="PRO_0000119413"
FT BINDING 71
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000250"
FT BINDING 74
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000250"
FT BINDING 142
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000250"
SQ SEQUENCE 180 AA; 20858 MW; 95521F3F3AE863FF CRC64;
MENFFNQFFE SIGEDKNREG LKETPKRVQE LWKFLYKGYK EDPRVALKSA YFQGVCDEMI
VAQNIEFYST CEHHLLPFLG NISVGYIPKE KIVGISAIAK LIEIYSRRLQ IQERLTIQIA
ETFDEIIEPR GVIVVCEAKH LCMSMQGVQK QNAIIKTSVL RGLFKKDSKT RAEFMQLLKS
