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IXTPA_THEYD
ID   IXTPA_THEYD             Reviewed;         204 AA.
AC   B5YHP2;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   03-AUG-2022, entry version 68.
DE   RecName: Full=dITP/XTP pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_01405};
DE            EC=3.6.1.66 {ECO:0000255|HAMAP-Rule:MF_01405};
DE   AltName: Full=Non-canonical purine NTP pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_01405};
DE   AltName: Full=Non-standard purine NTP pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_01405};
DE   AltName: Full=Nucleoside-triphosphate diphosphatase {ECO:0000255|HAMAP-Rule:MF_01405};
DE   AltName: Full=Nucleoside-triphosphate pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_01405};
DE            Short=NTPase {ECO:0000255|HAMAP-Rule:MF_01405};
GN   OrderedLocusNames=THEYE_A1837;
OS   Thermodesulfovibrio yellowstonii (strain ATCC 51303 / DSM 11347 / YP87).
OC   Bacteria; Nitrospirae; Thermodesulfovibrionia; Thermodesulfovibrionales;
OC   Thermodesulfovibrionaceae; Thermodesulfovibrio.
OX   NCBI_TaxID=289376;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51303 / DSM 11347 / YP87;
RA   Dodson R.J., Durkin A.S., Wu M., Eisen J., Sutton G.;
RT   "The complete genome sequence of Thermodesulfovibrio yellowstonii strain
RT   ATCC 51303 / DSM 11347 / YP87.";
RL   Submitted (AUG-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Pyrophosphatase that catalyzes the hydrolysis of nucleoside
CC       triphosphates to their monophosphate derivatives, with a high
CC       preference for the non-canonical purine nucleotides XTP (xanthosine
CC       triphosphate), dITP (deoxyinosine triphosphate) and ITP. Seems to
CC       function as a house-cleaning enzyme that removes non-canonical purine
CC       nucleotides from the nucleotide pool, thus preventing their
CC       incorporation into DNA/RNA and avoiding chromosomal lesions.
CC       {ECO:0000255|HAMAP-Rule:MF_01405}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + XTP = diphosphate + H(+) + XMP; Xref=Rhea:RHEA:28610,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:57464, ChEBI:CHEBI:61314; EC=3.6.1.66;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01405};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=dITP + H2O = dIMP + diphosphate + H(+); Xref=Rhea:RHEA:28342,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:61194, ChEBI:CHEBI:61382; EC=3.6.1.66;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01405};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + ITP = diphosphate + H(+) + IMP; Xref=Rhea:RHEA:29399,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:58053, ChEBI:CHEBI:61402; EC=3.6.1.66;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01405};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01405};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01405};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01405}.
CC   -!- SIMILARITY: Belongs to the HAM1 NTPase family. {ECO:0000255|HAMAP-
CC       Rule:MF_01405}.
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DR   EMBL; CP001147; ACI21040.1; -; Genomic_DNA.
DR   RefSeq; WP_012545768.1; NC_011296.1.
DR   RefSeq; YP_002249628.1; NC_011296.1.
DR   AlphaFoldDB; B5YHP2; -.
DR   SMR; B5YHP2; -.
DR   STRING; 289376.THEYE_A1837; -.
DR   EnsemblBacteria; ACI21040; ACI21040; THEYE_A1837.
DR   KEGG; tye:THEYE_A1837; -.
DR   PATRIC; fig|289376.4.peg.1792; -.
DR   eggNOG; COG0127; Bacteria.
DR   HOGENOM; CLU_082080_0_2_0; -.
DR   InParanoid; B5YHP2; -.
DR   OMA; DCFADDT; -.
DR   OrthoDB; 1824064at2; -.
DR   Proteomes; UP000000718; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0035870; F:dITP diphosphatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0036220; F:ITP diphosphatase activity; IEA:RHEA.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0017111; F:nucleoside-triphosphatase activity; IEA:InterPro.
DR   GO; GO:0047429; F:nucleoside-triphosphate diphosphatase activity; IBA:GO_Central.
DR   GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-KW.
DR   GO; GO:0036222; F:XTP diphosphatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009143; P:nucleoside triphosphate catabolic process; IBA:GO_Central.
DR   GO; GO:0009117; P:nucleotide metabolic process; IEA:UniProtKB-KW.
DR   GO; GO:0009146; P:purine nucleoside triphosphate catabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd00515; HAM1; 1.
DR   Gene3D; 3.90.950.10; -; 1.
DR   HAMAP; MF_01405; Non_canon_purine_NTPase; 1.
DR   InterPro; IPR020922; dITP/XTP_pyrophosphatase.
DR   InterPro; IPR002637; Ham1p-like.
DR   InterPro; IPR029001; ITPase-like_fam.
DR   PANTHER; PTHR11067; PTHR11067; 1.
DR   Pfam; PF01725; Ham1p_like; 1.
DR   SUPFAM; SSF52972; SSF52972; 1.
DR   TIGRFAMs; TIGR00042; TIGR00042; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Magnesium; Metal-binding; Nucleotide metabolism;
KW   Nucleotide-binding; Reference proteome.
FT   CHAIN           1..204
FT                   /note="dITP/XTP pyrophosphatase"
FT                   /id="PRO_1000145502"
FT   ACT_SITE        69
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01405"
FT   BINDING         7..12
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01405"
FT   BINDING         69
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01405"
FT   BINDING         70
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01405"
FT   BINDING         152..155
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01405"
FT   BINDING         175
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01405"
FT   BINDING         180..181
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01405"
SQ   SEQUENCE   204 AA;  23026 MW;  96CDCFC3AB43394D CRC64;
     MKIVIASRNR KKIEELKRIL QGLEITILSV NDFPELEEVK EDGLTFDENA LKKARYVCQQ
     TGLPALSDDS GLEVEALGGR PGVRSARYAG DEASDDDNIK KLLEELAGVP SEKRTAQFVC
     CIALVFPDGK EYIFWGYVRG KISEIPRGTQ GFGYDPVFIP EGFKKTFAEM SPHEKDKISH
     RKEALDKLRD FLIKFAPIYK QNLL
 
 
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