NTPPA_THIDA
ID NTPPA_THIDA Reviewed; 203 AA.
AC Q3SG65;
DT 12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT 11-OCT-2005, sequence version 1.
DT 25-MAY-2022, entry version 88.
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=Tbd_2438;
OS Thiobacillus denitrificans (strain ATCC 25259).
OC Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales;
OC Thiobacillaceae; Thiobacillus.
OX NCBI_TaxID=292415;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 25259;
RX PubMed=16452431; DOI=10.1128/jb.188.4.1473-1488.2006;
RA Beller H.R., Chain P.S., Letain T.E., Chakicherla A., Larimer F.W.,
RA Richardson P.M., Coleman M.A., Wood A.P., Kelly D.P.;
RT "The genome sequence of the obligately chemolithoautotrophic, facultatively
RT anaerobic bacterium Thiobacillus denitrificans.";
RL J. Bacteriol. 188:1473-1488(2006).
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; CP000116; AAZ98391.1; -; Genomic_DNA.
DR RefSeq; WP_011312950.1; NC_007404.1.
DR AlphaFoldDB; Q3SG65; -.
DR SMR; Q3SG65; -.
DR STRING; 292415.Tbd_2438; -.
DR EnsemblBacteria; AAZ98391; AAZ98391; Tbd_2438.
DR KEGG; tbd:Tbd_2438; -.
DR eggNOG; COG0424; Bacteria.
DR HOGENOM; CLU_040416_2_1_4; -.
DR OMA; RIDGDFY; -.
DR OrthoDB; 1469203at2; -.
DR Proteomes; UP000008291; 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: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..203
FT /note="dTTP/UTP pyrophosphatase"
FT /id="PRO_0000267456"
FT ACT_SITE 84
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00528"
FT SITE 15
FT /note="Important for substrate specificity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00528"
FT SITE 85
FT /note="Important for substrate specificity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00528"
FT SITE 167
FT /note="Important for substrate specificity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00528"
SQ SEQUENCE 203 AA; 22141 MW; 57C0A65E975E00E5 CRC64;
MLVDKRIYLA SQSPRRRELL KQIGIAYDVL PLRAVSGRMD VLEVAHAGEA APDFARRMAT
EKAACGWRAV DLRRLLRFPV LGADTVVELD GDILGKPADR AAAKAMLARL SRSEHRVHTA
VAVQHESRVD VRLSSSRVKF GALDDALIAR YLETGEYLGK AGAYGIQGRA GAFVEYLEGS
YSGVMGLPLY ETAALLREFG LAV