ID   DGTP_ECOHS              Reviewed;         505 AA.
AC   A7ZWA8;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   25-MAY-2022, entry version 81.
DE   RecName: Full=Deoxyguanosinetriphosphate triphosphohydrolase {ECO:0000255|HAMAP-Rule:MF_00030};
DE            Short=dGTP triphosphohydrolase {ECO:0000255|HAMAP-Rule:MF_00030};
DE            Short=dGTPase {ECO:0000255|HAMAP-Rule:MF_00030};
DE            EC=3.1.5.1 {ECO:0000255|HAMAP-Rule:MF_00030};
GN   Name=dgt {ECO:0000255|HAMAP-Rule:MF_00030}; OrderedLocusNames=EcHS_A0164;
OS   Escherichia coli O9:H4 (strain HS).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=331112;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HS;
RX   PubMed=18676672; DOI=10.1128/jb.00619-08;
RA   Rasko D.A., Rosovitz M.J., Myers G.S.A., Mongodin E.F., Fricke W.F.,
RA   Gajer P., Crabtree J., Sebaihia M., Thomson N.R., Chaudhuri R.,
RA   Henderson I.R., Sperandio V., Ravel J.;
RT   "The pangenome structure of Escherichia coli: comparative genomic analysis
RT   of E. coli commensal and pathogenic isolates.";
RL   J. Bacteriol. 190:6881-6893(2008).
CC   -!- FUNCTION: dGTPase preferentially hydrolyzes dGTP over the other
CC       canonical NTPs. {ECO:0000255|HAMAP-Rule:MF_00030}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=dGTP + H2O = 2'-deoxyguanosine + H(+) + triphosphate;
CC         Xref=Rhea:RHEA:15193, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:17172, ChEBI:CHEBI:18036, ChEBI:CHEBI:61429; EC=3.1.5.1;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00030};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00030};
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00030}.
CC   -!- SIMILARITY: Belongs to the dGTPase family. Type 1 subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00030}.
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DR   EMBL; CP000802; ABV04562.1; -; Genomic_DNA.
DR   RefSeq; WP_000057067.1; NC_009800.1.
DR   AlphaFoldDB; A7ZWA8; -.
DR   SMR; A7ZWA8; -.
DR   GeneID; 66671550; -.
DR   KEGG; ecx:EcHS_A0164; -.
DR   HOGENOM; CLU_028163_2_1_6; -.
DR   OMA; ICYTIID; -.
DR   Proteomes; UP000001123; Chromosome.
DR   GO; GO:0008832; F:dGTPase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006203; P:dGTP catabolic process; IEA:InterPro.
DR   CDD; cd00077; HDc; 1.
DR   Gene3D; 1.10.3410.10; -; 1.
DR   HAMAP; MF_00030; dGTPase_type1; 1.
DR   InterPro; IPR023293; dGTP_triP_hydro_central_sf.
DR   InterPro; IPR006261; dNTPase.
DR   InterPro; IPR020779; dNTPase_1.
DR   InterPro; IPR003607; HD/PDEase_dom.
DR   InterPro; IPR006674; HD_domain.
DR   InterPro; IPR026875; PHydrolase_assoc_dom.
DR   PANTHER; PTHR11373:SF32; PTHR11373:SF32; 1.
DR   Pfam; PF01966; HD; 1.
DR   Pfam; PF13286; HD_assoc; 1.
DR   SMART; SM00471; HDc; 1.
DR   TIGRFAMs; TIGR01353; dGTP_triPase; 1.
DR   PROSITE; PS51831; HD; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Magnesium.
FT   CHAIN           1..505
FT                   /note="Deoxyguanosinetriphosphate triphosphohydrolase"
FT                   /id="PRO_1000057228"
FT   DOMAIN          66..273
FT                   /note="HD"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01175"
SQ   SEQUENCE   505 AA;  59355 MW;  96956833DAE942A1 CRC64;
     MAQIDFRKKI NWHRRYRSPQ GVKTEHEILR IFESDRGRII NSPAIRRLQQ KTQVFPLERN
     AAVRTRLTHS MEVQQVGRYI AKEILSRLKE LKLLEAYGLD ELTGPFESIV EMSCLMHDIG
     NPPFGHFGEA AINDWFRQRL HPEDAESQPL TDDRCSVAAL RLRDGEEPLN ELRRKIRQDL
     CHFEGNAQGI RLVHTLMRMN LTWAQVGGIL KYTRPAWWRG ETPETHHYLM KKPGYYLSEE
     AYIARLRKEL NLALYSRFPL TWIMEAADDI SYCVADLEDA VEKRIFTVEQ LYHHLHEAWG
     QHEKGSLFSL VVENAWEKSR SNSLSRSTED QFFMYLRVNT LNKLVPYAAQ RFIDNLPAIF
     AGTFNHALLE DASECSDLLK LYKNVAVKHV FSHPDVEQLE LQGYRVISGL LEIYRPLLSL
     SLSDFTELVE KERVKRFPIE SRLFHKLSTR HRLAYVEAVS KLPSDSPEFP LWEYYYRCRL
     LQDYISGMTD LYAWDEYRRL MAVEQ