ID A0A0J6EMI6_9BACI Unreviewed; 194 AA.
AC A0A0J6EMI6; A0A0J6EKE8;
DT 14-OCT-2015, integrated into UniProtKB/TrEMBL.
DT 14-OCT-2015, sequence version 1.
DT 24-JAN-2024, entry version 36.
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 ORFNames=AB447_215470 {ECO:0000313|EMBL:KRT94042.1}, COP00_08685
GN {ECO:0000313|EMBL:ATH92681.1};
OS Bacillus glycinifermentans.
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Bacillus.
OX NCBI_TaxID=1664069 {ECO:0000313|EMBL:KRT94042.1, ECO:0000313|Proteomes:UP000036168};
RN [1] {ECO:0000313|EMBL:KRT94042.1, ECO:0000313|Proteomes:UP000036168}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=GO-13 {ECO:0000313|EMBL:KRT94042.1,
RC ECO:0000313|Proteomes:UP000036168};
RX PubMed=26297378; DOI=10.1099/ijsem.0.000462;
RA Kim S.J., Dunlap C.A., Kwon S.W., Rooney A.P.;
RT "Bacillus glycinifermentans sp. nov., isolated from fermented soybean
RT paste.";
RL Int. J. Syst. Evol. Microbiol. 65:3586-3590(2015).
RN [2] {ECO:0000313|EMBL:KRT94042.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=GO-13 {ECO:0000313|EMBL:KRT94042.1};
RA Gilbert D.G.;
RL Submitted (OCT-2015) to the EMBL/GenBank/DDBJ databases.
RN [3] {ECO:0000313|EMBL:ATH92681.1, ECO:0000313|Proteomes:UP000218414}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KBN06P03352 {ECO:0000313|EMBL:ATH92681.1,
RC ECO:0000313|Proteomes:UP000218414};
RA Yu W.-S., Do H.-N., Cheong H.-M., Hwang K.-J.;
RT "Whole genome sequencing of Bacillus glycinfermentans NCCP 15922.";
RL Submitted (SEP-2017) 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: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; CP023481; ATH92681.1; -; Genomic_DNA.
DR EMBL; LECW02000014; KRT94042.1; -; Genomic_DNA.
DR RefSeq; WP_048354312.1; NZ_LECW02000014.1.
DR AlphaFoldDB; A0A0J6EMI6; -.
DR STRING; 1664069.BGLY_3301; -.
DR PATRIC; fig|1664069.3.peg.1968; -.
DR OrthoDB; 9807456at2; -.
DR Proteomes; UP000036168; Unassembled WGS sequence.
DR Proteomes; UP000218414; 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}.
FT ACT_SITE 70
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT BINDING 8..13
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT BINDING 41
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT BINDING 70
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT BINDING 71
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT BINDING 153..156
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT BINDING 176
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
FT BINDING 181..182
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01405"
SQ SEQUENCE 194 AA; 21227 MW; 6BA7AA9BB5AA5AC7 CRC64;
MKEVIIATKN EGKVKEFKEM LAPRGYDVKS LLDIGYTADI EETGQTFEEN AIIKAETISK
ETGKIVIADD SGLSVDYLGG RPGVYSARYA GEDKSDLANL QKLLKELEGV EKEDRSARFR
CALALCIPGQ ETKTVEGAVE GYITEEPIGT NGFGYDPVFL VKDKDQTMAQ LSSGEKNKIS
HRADALKKLT ALLD
//