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ITPA_DANRE
ID   ITPA_DANRE              Reviewed;         203 AA.
AC   A5WVX0; A8WFV3;
DT   19-OCT-2011, integrated into UniProtKB/Swiss-Prot.
DT   10-JUL-2007, sequence version 1.
DT   03-AUG-2022, entry version 91.
DE   RecName: Full=Inosine triphosphate pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_03148};
DE            Short=ITPase {ECO:0000255|HAMAP-Rule:MF_03148};
DE            Short=Inosine triphosphatase {ECO:0000255|HAMAP-Rule:MF_03148};
DE            EC=3.6.1.9 {ECO:0000255|HAMAP-Rule:MF_03148};
DE   AltName: Full=Non-canonical purine NTP pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_03148};
DE   AltName: Full=Non-standard purine NTP pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_03148};
DE   AltName: Full=Nucleoside-triphosphate diphosphatase {ECO:0000255|HAMAP-Rule:MF_03148};
DE   AltName: Full=Nucleoside-triphosphate pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_03148};
DE            Short=NTPase {ECO:0000255|HAMAP-Rule:MF_03148};
GN   Name=itpa; ORFNames=si:ch73-18j6.1, si:dkey-19f21.1;
OS   Danio rerio (Zebrafish) (Brachydanio rerio).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Cypriniformes;
OC   Danionidae; Danioninae; Danio.
OX   NCBI_TaxID=7955;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Tuebingen;
RX   PubMed=23594743; DOI=10.1038/nature12111;
RA   Howe K., Clark M.D., Torroja C.F., Torrance J., Berthelot C., Muffato M.,
RA   Collins J.E., Humphray S., McLaren K., Matthews L., McLaren S., Sealy I.,
RA   Caccamo M., Churcher C., Scott C., Barrett J.C., Koch R., Rauch G.J.,
RA   White S., Chow W., Kilian B., Quintais L.T., Guerra-Assuncao J.A., Zhou Y.,
RA   Gu Y., Yen J., Vogel J.H., Eyre T., Redmond S., Banerjee R., Chi J., Fu B.,
RA   Langley E., Maguire S.F., Laird G.K., Lloyd D., Kenyon E., Donaldson S.,
RA   Sehra H., Almeida-King J., Loveland J., Trevanion S., Jones M., Quail M.,
RA   Willey D., Hunt A., Burton J., Sims S., McLay K., Plumb B., Davis J.,
RA   Clee C., Oliver K., Clark R., Riddle C., Elliot D., Threadgold G.,
RA   Harden G., Ware D., Begum S., Mortimore B., Kerry G., Heath P.,
RA   Phillimore B., Tracey A., Corby N., Dunn M., Johnson C., Wood J., Clark S.,
RA   Pelan S., Griffiths G., Smith M., Glithero R., Howden P., Barker N.,
RA   Lloyd C., Stevens C., Harley J., Holt K., Panagiotidis G., Lovell J.,
RA   Beasley H., Henderson C., Gordon D., Auger K., Wright D., Collins J.,
RA   Raisen C., Dyer L., Leung K., Robertson L., Ambridge K., Leongamornlert D.,
RA   McGuire S., Gilderthorp R., Griffiths C., Manthravadi D., Nichol S.,
RA   Barker G., Whitehead S., Kay M., Brown J., Murnane C., Gray E.,
RA   Humphries M., Sycamore N., Barker D., Saunders D., Wallis J., Babbage A.,
RA   Hammond S., Mashreghi-Mohammadi M., Barr L., Martin S., Wray P.,
RA   Ellington A., Matthews N., Ellwood M., Woodmansey R., Clark G., Cooper J.,
RA   Tromans A., Grafham D., Skuce C., Pandian R., Andrews R., Harrison E.,
RA   Kimberley A., Garnett J., Fosker N., Hall R., Garner P., Kelly D., Bird C.,
RA   Palmer S., Gehring I., Berger A., Dooley C.M., Ersan-Urun Z., Eser C.,
RA   Geiger H., Geisler M., Karotki L., Kirn A., Konantz J., Konantz M.,
RA   Oberlander M., Rudolph-Geiger S., Teucke M., Lanz C., Raddatz G.,
RA   Osoegawa K., Zhu B., Rapp A., Widaa S., Langford C., Yang F.,
RA   Schuster S.C., Carter N.P., Harrow J., Ning Z., Herrero J., Searle S.M.,
RA   Enright A., Geisler R., Plasterk R.H., Lee C., Westerfield M.,
RA   de Jong P.J., Zon L.I., Postlethwait J.H., Nusslein-Volhard C.,
RA   Hubbard T.J., Roest Crollius H., Rogers J., Stemple D.L.;
RT   "The zebrafish reference genome sequence and its relationship to the human
RT   genome.";
RL   Nature 496:498-503(2013).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RG   NIH - Zebrafish Gene Collection (ZGC) project;
RL   Submitted (NOV-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Pyrophosphatase that hydrolyzes the non-canonical purine
CC       nucleotides inosine triphosphate (ITP), deoxyinosine triphosphate
CC       (dITP) as well as 2'-deoxy-N-6-hydroxylaminopurine triphosphate
CC       (dHAPTP) and xanthosine 5'-triphosphate (XTP) to their respective
CC       monophosphate derivatives. The enzyme does not distinguish between the
CC       deoxy- and ribose forms. Probably excludes non-canonical purines from
CC       RNA and DNA precursor pools, thus preventing their incorporation into
CC       RNA and DNA and avoiding chromosomal lesions. {ECO:0000255|HAMAP-
CC       Rule:MF_03148}.
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_03148};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:23997;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03148};
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_03148};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:44645;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03148};
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=3.6.1.9;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03148};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:29400;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03148};
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=3.6.1.9;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03148};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:28343;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03148};
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=3.6.1.9;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03148};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:28611;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03148};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03148};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03148};
CC       Note=Binds 1 divalent metal cation per subunit; can use either Mg(2+)
CC       or Mn(2+). {ECO:0000255|HAMAP-Rule:MF_03148};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_03148}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_03148}.
CC   -!- SIMILARITY: Belongs to the HAM1 NTPase family. {ECO:0000255|HAMAP-
CC       Rule:MF_03148}.
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DR   EMBL; BX470128; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; CT563248; CAN88293.1; -; Genomic_DNA.
DR   EMBL; BC154470; AAI54471.1; -; mRNA.
DR   RefSeq; NP_001093456.1; NM_001099986.2.
DR   AlphaFoldDB; A5WVX0; -.
DR   SMR; A5WVX0; -.
DR   STRING; 7955.ENSDARP00000074674; -.
DR   PaxDb; A5WVX0; -.
DR   PeptideAtlas; A5WVX0; -.
DR   Ensembl; ENSDART00000080224; ENSDARP00000074674; ENSDARG00000057529.
DR   GeneID; 557834; -.
DR   KEGG; dre:557834; -.
DR   CTD; 3704; -.
DR   ZFIN; ZDB-GENE-070705-218; itpa.
DR   eggNOG; KOG3222; Eukaryota.
DR   GeneTree; ENSGT00390000015399; -.
DR   HOGENOM; CLU_082080_1_1_1; -.
DR   InParanoid; A5WVX0; -.
DR   OMA; DCFADDT; -.
DR   OrthoDB; 1298391at2759; -.
DR   PhylomeDB; A5WVX0; -.
DR   TreeFam; TF105614; -.
DR   Reactome; R-DRE-74259; Purine catabolism.
DR   PRO; PR:A5WVX0; -.
DR   Proteomes; UP000000437; Genome assembly.
DR   Proteomes; UP000814640; Chromosome 20.
DR   Bgee; ENSDARG00000057529; Expressed in testis and 21 other tissues.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR   GO; GO:0035870; F:dITP diphosphatase activity; IEA:RHEA.
DR   GO; GO:0036218; F:dTTP 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:0035529; F:NADH pyrophosphatase activity; IEA:UniProtKB-EC.
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:RHEA.
DR   GO; GO:0009204; P:deoxyribonucleoside triphosphate catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0009143; P:nucleoside triphosphate catabolic process; IBA:GO_Central.
DR   GO; GO:0009117; P:nucleotide metabolic process; IEA:UniProtKB-KW.
DR   CDD; cd00515; HAM1; 1.
DR   Gene3D; 3.90.950.10; -; 1.
DR   HAMAP; MF_03148; HAM1_NTPase; 1.
DR   InterPro; IPR002637; Ham1p-like.
DR   InterPro; IPR027502; ITPase.
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   2: Evidence at transcript level;
KW   Cytoplasm; Hydrolase; Magnesium; Manganese; Metal-binding;
KW   Nucleotide metabolism; Nucleotide-binding; Reference proteome.
FT   CHAIN           1..203
FT                   /note="Inosine triphosphate pyrophosphatase"
FT                   /id="PRO_0000413103"
FT   BINDING         13..18
FT                   /ligand="ITP"
FT                   /ligand_id="ChEBI:CHEBI:61402"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03148"
FT   BINDING         43
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03148"
FT   BINDING         55
FT                   /ligand="ITP"
FT                   /ligand_id="ChEBI:CHEBI:61402"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03148"
FT   BINDING         71..72
FT                   /ligand="ITP"
FT                   /ligand_id="ChEBI:CHEBI:61402"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03148"
FT   BINDING         88
FT                   /ligand="ITP"
FT                   /ligand_id="ChEBI:CHEBI:61402"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03148"
FT   BINDING         147..150
FT                   /ligand="ITP"
FT                   /ligand_id="ChEBI:CHEBI:61402"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03148"
FT   BINDING         170
FT                   /ligand="ITP"
FT                   /ligand_id="ChEBI:CHEBI:61402"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03148"
FT   BINDING         175..176
FT                   /ligand="ITP"
FT                   /ligand_id="ChEBI:CHEBI:61402"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03148"
FT   CONFLICT        104
FT                   /note="A -> P (in Ref. 2; AAI54471)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   203 AA;  22869 MW;  95C21F3A059B2A43 CRC64;
     MAVPTGRALV FVTGNAKKLE EVVQILGDKF PYKLISKKID LPEYQGEPDD ISIQKCKEAA
     RQVDGPVLVE DTCLCFRALE GLPGPYIKWF LDKLKPEGLY KMLAGFEDKS AWALCTFAFC
     AGKEEPVQLF RGITEGHIVE PRGPRDFGWD PCFQPEGYDK TYAELPKEVK NSISHRYRAL
     AALSEHFCQD NGAPETKRSK HQD
 
 
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