GCH1_HELPS
ID GCH1_HELPS Reviewed; 180 AA.
AC B2UU76;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 01-JUL-2008, sequence version 1.
DT 03-AUG-2022, entry version 68.
DE RecName: Full=GTP cyclohydrolase 1 {ECO:0000255|HAMAP-Rule:MF_00223};
DE EC=3.5.4.16 {ECO:0000255|HAMAP-Rule:MF_00223};
DE AltName: Full=GTP cyclohydrolase I {ECO:0000255|HAMAP-Rule:MF_00223};
DE Short=GTP-CH-I {ECO:0000255|HAMAP-Rule:MF_00223};
GN Name=folE {ECO:0000255|HAMAP-Rule:MF_00223}; OrderedLocusNames=HPSH_04890;
OS Helicobacter pylori (strain Shi470).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Helicobacteraceae; Helicobacter.
OX NCBI_TaxID=512562;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Shi470;
RA Kersulyte D., Kalia A., Gilman R.H., Berg D.E.;
RT "Genome sequence of Helicobacter pylori from the remote Amazon: traces of
RT Asian ancestry of the first Americans.";
RL Submitted (MAY-2008) to the EMBL/GenBank/DDBJ databases.
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_00223};
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_00223}.
CC -!- SUBUNIT: Homomer. {ECO:0000255|HAMAP-Rule:MF_00223}.
CC -!- SIMILARITY: Belongs to the GTP cyclohydrolase I family.
CC {ECO:0000255|HAMAP-Rule:MF_00223}.
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DR EMBL; CP001072; ACD48408.1; -; Genomic_DNA.
DR RefSeq; WP_000426951.1; NC_010698.2.
DR AlphaFoldDB; B2UU76; -.
DR SMR; B2UU76; -.
DR KEGG; hps:HPSH_04890; -.
DR HOGENOM; CLU_049768_3_4_7; -.
DR OMA; YHETIYD; -.
DR UniPathway; UPA00848; UER00151.
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_1000100177"
FT BINDING 71
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00223"
FT BINDING 74
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00223"
FT BINDING 142
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00223"
SQ SEQUENCE 180 AA; 20841 MW; 4B5760967F3B6E24 CRC64;
MENFFNQFFE NIGEDKNREG LKETPKRVQE LWKFLYKGYK EDPKVALKSA YFQGVCDEMI
VAQNIEFYST CEHHLLPFLG NISLGYIPKE KIVGISAIAK LIEIYSRRLQ IQERLTTQIA
ETFDEIIEPR GVIVVCEAKH LCMSMQGVQK QNAIIKTSVL KGLFKKDPKT RAEFMQLLKS
