ID   NTPP_HELPJ              Reviewed;         190 AA.
AC   Q9ZJY6;
DT   23-JAN-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1999, sequence version 1.
DT   25-MAY-2022, entry version 97.
DE   RecName: Full=Nucleoside triphosphate pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_00528};
DE            EC=3.6.1.9 {ECO:0000255|HAMAP-Rule:MF_00528};
DE   AltName: Full=Nucleotide pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_00528};
DE            Short=Nucleotide PPase {ECO:0000255|HAMAP-Rule:MF_00528};
GN   OrderedLocusNames=jhp_1161;
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   -!- FUNCTION: Nucleoside triphosphate pyrophosphatase. May have a dual role
CC       in cell division arrest and in preventing the incorporation of modified
CC       nucleotides into cellular nucleic acids. {ECO:0000255|HAMAP-
CC       Rule:MF_00528}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a ribonucleoside 5'-triphosphate + H2O = a ribonucleoside 5'-
CC         phosphate + diphosphate + H(+); Xref=Rhea:RHEA:23996,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:58043, ChEBI:CHEBI:61557; EC=3.6.1.9;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00528};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a 2'-deoxyribonucleoside 5'-triphosphate + H2O = a 2'-
CC         deoxyribonucleoside 5'-phosphate + diphosphate + H(+);
CC         Xref=Rhea:RHEA:44644, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:61560, ChEBI:CHEBI:65317; EC=3.6.1.9;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00528};
CC   -!- COFACTOR:
CC       Name=a divalent metal cation; Xref=ChEBI:CHEBI:60240;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00528};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00528}.
CC   -!- SIMILARITY: Belongs to the Maf family. {ECO:0000255|HAMAP-
CC       Rule:MF_00528}.
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DR   EMBL; AE001439; AAD06737.1; -; Genomic_DNA.
DR   PIR; E71842; E71842.
DR   RefSeq; WP_000420258.1; NZ_CP011330.1.
DR   AlphaFoldDB; Q9ZJY6; -.
DR   SMR; Q9ZJY6; -.
DR   STRING; 85963.jhp_1161; -.
DR   EnsemblBacteria; AAD06737; AAD06737; jhp_1161.
DR   KEGG; hpj:jhp_1161; -.
DR   PATRIC; fig|85963.30.peg.1413; -.
DR   eggNOG; COG0424; Bacteria.
DR   OMA; EFVYLAC; -.
DR   Proteomes; UP000000804; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0036218; F:dTTP diphosphatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0035529; F:NADH pyrophosphatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009117; P:nucleotide metabolic process; IEA:UniProtKB-KW.
DR   CDD; cd00555; Maf; 1.
DR   Gene3D; 3.90.950.10; -; 1.
DR   HAMAP; MF_00528; Maf; 1.
DR   InterPro; IPR029001; ITPase-like_fam.
DR   InterPro; IPR003697; Maf-like.
DR   PANTHER; PTHR43213; PTHR43213; 1.
DR   Pfam; PF02545; Maf; 1.
DR   PIRSF; PIRSF006305; Maf; 1.
DR   SUPFAM; SSF52972; SSF52972; 1.
DR   TIGRFAMs; TIGR00172; maf; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Hydrolase; Nucleotide metabolism.
FT   CHAIN           1..190
FT                   /note="Nucleoside triphosphate pyrophosphatase"
FT                   /id="PRO_0000123025"
FT   ACT_SITE        69
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00528"
SQ   SEQUENCE   190 AA;  21121 MW;  9FFE87EAA3980360 CRC64;
     MELILGSQSS ARANLLKEHG IKFEQKALYF DEESLKTTDP REFVYLACKG KLEKAKELLA
     NNCAIVVADS VVSVGNRMQR KAKNKREALE FLKRQNGNEI EVLTCSALIS PVLEWLDLSV
     FRARLKAFDC SEIEKYLESG LWQGSAGCVR LEDFHKPYIK SSSKNLSVGL GLNVEGLLGA
     LKLGVKLSLL