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Entry: G7W9R8_DESOD
LinkDB: G7W9R8_DESOD
Original site: G7W9R8_DESOD 
ID   G7W9R8_DESOD            Unreviewed;       197 AA.
AC   G7W9R8;
DT   25-JAN-2012, integrated into UniProtKB/TrEMBL.
DT   25-JAN-2012, sequence version 1.
DT   24-JAN-2024, entry version 59.
DE   RecName: Full=dITP/XTP pyrophosphatase {ECO:0000256|HAMAP-Rule:MF_01405};
DE            EC=3.6.1.66 {ECO:0000256|HAMAP-Rule:MF_01405};
DE   AltName: Full=Non-canonical purine NTP pyrophosphatase {ECO:0000256|HAMAP-Rule:MF_01405};
DE   AltName: Full=Non-standard purine NTP pyrophosphatase {ECO:0000256|HAMAP-Rule:MF_01405};
DE   AltName: Full=Nucleoside-triphosphate diphosphatase {ECO:0000256|HAMAP-Rule:MF_01405};
DE   AltName: Full=Nucleoside-triphosphate pyrophosphatase {ECO:0000256|HAMAP-Rule:MF_01405};
DE            Short=NTPase {ECO:0000256|HAMAP-Rule:MF_01405};
GN   OrderedLocusNames=Desor_5254 {ECO:0000313|EMBL:AET70634.1};
OS   Desulfosporosinus orientis (strain ATCC 19365 / DSM 765 / NCIMB 8382 / VKM
OS   B-1628 / Singapore I) (Desulfotomaculum orientis).
OC   Bacteria; Bacillota; Clostridia; Eubacteriales; Desulfitobacteriaceae;
OC   Desulfosporosinus.
OX   NCBI_TaxID=768706 {ECO:0000313|EMBL:AET70634.1, ECO:0000313|Proteomes:UP000006346};
RN   [1] {ECO:0000313|Proteomes:UP000006346}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19365 / DSM 765 / NCIMB 8382 / VKM B-1628
RC   {ECO:0000313|Proteomes:UP000006346};
RA   Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA   Peters L., Ovchinnikova G., Teshima H., Detter J.C., Han C., Tapia R.,
RA   Land M., Hauser L., Kyrpides N., Ivanova N., Pagani I., Pester M.,
RA   Spring S., Ollivier B., Rattei T., Klenk H.-P., Wagner M., Loy A.,
RA   Woyke T.;
RT   "Complete sequence of Desulfosporosinus orientis DSM 765.";
RL   Submitted (NOV-2011) to the EMBL/GenBank/DDBJ databases.
RN   [2] {ECO:0000313|EMBL:AET70634.1, ECO:0000313|Proteomes:UP000006346}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19365 / DSM 765 / NCIMB 8382 / VKM B-1628
RC   {ECO:0000313|Proteomes:UP000006346};
RX   PubMed=23105050; DOI=10.1128/JB.01392-12;
RA   Pester M., Brambilla E., Alazard D., Rattei T., Weinmaier T., Han J.,
RA   Lucas S., Lapidus A., Cheng J.F., Goodwin L., Pitluck S., Peters L.,
RA   Ovchinnikova G., Teshima H., Detter J.C., Han C.S., Tapia R., Land M.L.,
RA   Hauser L., Kyrpides N.C., Ivanova N.N., Pagani I., Huntmann M., Wei C.L.,
RA   Davenport K.W., Daligault H., Chain P.S., Chen A., Mavromatis K.,
RA   Markowitz V., Szeto E., Mikhailova N., Pati A., Wagner M., Woyke T.,
RA   Ollivier B., Klenk H.P., Spring S., Loy A.;
RT   "Complete genome sequences of Desulfosporosinus orientis DSM765T,
RT   Desulfosporosinus youngiae DSM17734T, Desulfosporosinus meridiei DSM13257T,
RT   and Desulfosporosinus acidiphilus DSM22704T.";
RL   J. Bacteriol. 194:6300-6301(2012).
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:0000256|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:0000256|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:0000256|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:0000256|HAMAP-Rule:MF_01405};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01405};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|HAMAP-Rule:MF_01405};
CC   -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01405}.
CC   -!- SIMILARITY: Belongs to the HAM1 NTPase family.
CC       {ECO:0000256|ARBA:ARBA00008023, ECO:0000256|HAMAP-Rule:MF_01405,
CC       ECO:0000256|RuleBase:RU003781}.
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DR   EMBL; CP003108; AET70634.1; -; Genomic_DNA.
DR   RefSeq; WP_014187438.1; NC_016584.1.
DR   AlphaFoldDB; G7W9R8; -.
DR   STRING; 768706.Desor_5254; -.
DR   KEGG; dor:Desor_5254; -.
DR   PATRIC; fig|768706.3.peg.5349; -.
DR   eggNOG; COG0127; Bacteria.
DR   HOGENOM; CLU_082080_0_2_9; -.
DR   OMA; YDPIFQP; -.
DR   OrthoDB; 9807456at2; -.
DR   Proteomes; UP000006346; Chromosome.
DR   GO; GO:0035870; F:dITP diphosphatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0036220; F:ITP diphosphatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-KW.
DR   GO; GO:0017111; F:ribonucleoside triphosphate phosphatase activity; IEA:InterPro.
DR   GO; GO:0036222; F:XTP diphosphatase activity; IEA:UniProtKB-EC.
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; IPR029001; ITPase-like_fam.
DR   InterPro; IPR002637; RdgB/HAM1.
DR   NCBIfam; TIGR00042; RdgB/HAM1 family non-canonical purine NTP pyrophosphatase; 1.
DR   PANTHER; PTHR11067:SF9; INOSINE TRIPHOSPHATE PYROPHOSPHATASE; 1.
DR   PANTHER; PTHR11067; INOSINE TRIPHOSPHATE PYROPHOSPHATASE/HAM1 PROTEIN; 1.
DR   Pfam; PF01725; Ham1p_like; 1.
DR   SUPFAM; SSF52972; ITPase-like; 1.
PE   3: Inferred from homology;
KW   Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_01405};
KW   Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_01405};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_01405}; Nucleotide metabolism {ECO:0000256|HAMAP-Rule:MF_01405};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW   Rule:MF_01405}; Reference proteome {ECO:0000313|Proteomes:UP000006346}.
FT   ACT_SITE        69
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT   BINDING         7..12
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT   BINDING         40
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT   BINDING         69
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT   BINDING         70
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT   BINDING         152..155
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT   BINDING         175
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT   BINDING         180..181
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
SQ   SEQUENCE   197 AA;  21962 MW;  34E8E150D7F93B18 CRC64;
     MKIILATQNK GKIRELQDLL VDEDIQVLSL KDIEGWEDVE ENGETFADNA MLKARAAVEK
     TGLIALADDS GLEVDALGGR PGVFSARFAG EPKDDERNNN KLLQLLRDVP EDKRSARFRC
     ALVVATPDGR EFLTEGTVEG RILRERRGSD GFGYDPLFYV PDYSRTMAEL TLAVKNKLSH
     RGQAFRKVIP ILKSLKS
//
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