GCH1_HELPJ
ID GCH1_HELPJ Reviewed; 180 AA.
AC Q9ZKS2;
DT 01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-1999, sequence version 1.
DT 03-AUG-2022, entry version 126.
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=jhp_0863;
OS Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Helicobacteraceae; Helicobacter.
OX NCBI_TaxID=85963;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=J99 / ATCC 700824;
RX PubMed=9923682; DOI=10.1038/16495;
RA Alm R.A., Ling L.-S.L., Moir D.T., King B.L., Brown E.D., Doig P.C.,
RA Smith D.R., Noonan B., Guild B.C., deJonge B.L., Carmel G., Tummino P.J.,
RA Caruso A., Uria-Nickelsen M., Mills D.M., Ives C., Gibson R., Merberg D.,
RA Mills S.D., Jiang Q., Taylor D.E., Vovis G.F., Trust T.J.;
RT "Genomic sequence comparison of two unrelated isolates of the human gastric
RT pathogen Helicobacter pylori.";
RL Nature 397:176-180(1999).
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; AE001439; AAD06446.1; -; Genomic_DNA.
DR PIR; F71878; F71878.
DR RefSeq; WP_000410405.1; NZ_CP011330.1.
DR AlphaFoldDB; Q9ZKS2; -.
DR SMR; Q9ZKS2; -.
DR STRING; 85963.jhp_0863; -.
DR EnsemblBacteria; AAD06446; AAD06446; jhp_0863.
DR KEGG; hpj:jhp_0863; -.
DR PATRIC; fig|85963.30.peg.100; -.
DR eggNOG; COG0302; Bacteria.
DR OMA; YHETIYD; -.
DR UniPathway; UPA00848; UER00151.
DR Proteomes; UP000000804; Chromosome.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
DR GO; GO:0003934; F:GTP cyclohydrolase I activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
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: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; Zinc.
FT CHAIN 1..180
FT /note="GTP cyclohydrolase 1"
FT /id="PRO_0000119414"
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; 20903 MW; FFC80EAE1B103AA1 CRC64;
MEKFFNQFFE NIGEDKNREG LKETPKRVQE LWKFLYKGYK EDPRVALKSA YFQGVCDEMI
VAQNIEFYST CEHHLLPFFG NISVGYIPKE KIVGISAIAK LIEIYSKRLQ IQERLTTQIA
ETFDEIIEPR GVIVVCEAKH LCMSMQGVQK QNAIIKTSVL RGLFKKDPKT RAEFMQLLKS
