ID   NTPPA_PSET1             Reviewed;         189 AA.
AC   Q3IFH5;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   03-AUG-2022, entry version 90.
DE   RecName: Full=dTTP/UTP pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_00528};
DE            Short=dTTPase/UTPase {ECO:0000255|HAMAP-Rule:MF_00528};
DE            EC=3.6.1.9 {ECO:0000255|HAMAP-Rule:MF_00528};
DE   AltName: Full=Nucleoside triphosphate pyrophosphatase {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=PSHAa2679;
OS   Pseudoalteromonas translucida (strain TAC 125).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Pseudoalteromonadaceae; Pseudoalteromonas.
OX   NCBI_TaxID=326442;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TAC 125;
RX   PubMed=16169927; DOI=10.1101/gr.4126905;
RA   Medigue C., Krin E., Pascal G., Barbe V., Bernsel A., Bertin P.N.,
RA   Cheung F., Cruveiller S., D'Amico S., Duilio A., Fang G., Feller G., Ho C.,
RA   Mangenot S., Marino G., Nilsson J., Parrilli E., Rocha E.P.C., Rouy Z.,
RA   Sekowska A., Tutino M.L., Vallenet D., von Heijne G., Danchin A.;
RT   "Coping with cold: the genome of the versatile marine Antarctica bacterium
RT   Pseudoalteromonas haloplanktis TAC125.";
RL   Genome Res. 15:1325-1335(2005).
CC   -!- FUNCTION: Nucleoside triphosphate pyrophosphatase that hydrolyzes dTTP
CC       and UTP. May have a dual role in cell division arrest and in preventing
CC       the incorporation of modified nucleotides into cellular nucleic acids.
CC       {ECO:0000255|HAMAP-Rule:MF_00528}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=dTTP + H2O = diphosphate + dTMP + H(+); Xref=Rhea:RHEA:28534,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:37568, ChEBI:CHEBI:63528; EC=3.6.1.9;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00528};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + UTP = diphosphate + H(+) + UMP; Xref=Rhea:RHEA:29395,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:46398, ChEBI:CHEBI:57865; 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. YhdE subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00528}.
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DR   EMBL; CR954246; CAI87727.1; -; Genomic_DNA.
DR   RefSeq; WP_011329324.1; NC_007481.1.
DR   AlphaFoldDB; Q3IFH5; -.
DR   SMR; Q3IFH5; -.
DR   STRING; 326442.PSHAa2679; -.
DR   EnsemblBacteria; CAI87727; CAI87727; PSHAa2679.
DR   KEGG; pha:PSHAa2679; -.
DR   PATRIC; fig|326442.8.peg.2588; -.
DR   eggNOG; COG0424; Bacteria.
DR   HOGENOM; CLU_040416_2_1_6; -.
DR   OMA; RIDGDFY; -.
DR   OrthoDB; 1469203at2; -.
DR   BioCyc; PHAL326442:PSHA_RS13175-MON; -.
DR   Proteomes; UP000006843; Chromosome I.
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:0036221; F:UTP diphosphatase activity; IEA:RHEA.
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; Reference proteome.
FT   CHAIN           1..189
FT                   /note="dTTP/UTP pyrophosphatase"
FT                   /id="PRO_0000267377"
FT   ACT_SITE        71
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00528"
FT   SITE            13
FT                   /note="Important for substrate specificity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00528"
FT   SITE            72
FT                   /note="Important for substrate specificity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00528"
FT   SITE            154
FT                   /note="Important for substrate specificity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00528"
SQ   SEQUENCE   189 AA;  20711 MW;  5D7B3BB92175B36D CRC64;
     MTNAVYLASA SPRRKELLTQ LGIEFTQFSV DADESQLPNE LPYDYVERLA RLKAQSGVAL
     GYTDRPVLGS DTVVVIDNQS LGKPCDENDF THTLKRLSGN THQVLTAVAF ATTDKVLSCV
     VSTNVTFKTL SDDEIHTYWQ SGEPQDKAGG YGIQGLGGRF VTHISGSYFA VVGLPLYETE
     QLLQTFLRG