ID   IPYR_METTH              Reviewed;         176 AA.
AC   O26363;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   03-AUG-2022, entry version 116.
DE   RecName: Full=Inorganic pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_00209};
DE            EC=3.6.1.1 {ECO:0000255|HAMAP-Rule:MF_00209};
DE   AltName: Full=Pyrophosphate phospho-hydrolase {ECO:0000255|HAMAP-Rule:MF_00209};
DE            Short=PPase {ECO:0000255|HAMAP-Rule:MF_00209};
GN   Name=ppa {ECO:0000255|HAMAP-Rule:MF_00209}; OrderedLocusNames=MTH_263;
OS   Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM
OS   10044 / NBRC 100330 / Delta H) (Methanobacterium thermoautotrophicum).
OC   Archaea; Euryarchaeota; Methanomada group; Methanobacteria;
OC   Methanobacteriales; Methanobacteriaceae; Methanothermobacter.
OX   NCBI_TaxID=187420;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H;
RX   PubMed=9371463; DOI=10.1128/jb.179.22.7135-7155.1997;
RA   Smith D.R., Doucette-Stamm L.A., Deloughery C., Lee H.-M., Dubois J.,
RA   Aldredge T., Bashirzadeh R., Blakely D., Cook R., Gilbert K., Harrison D.,
RA   Hoang L., Keagle P., Lumm W., Pothier B., Qiu D., Spadafora R., Vicare R.,
RA   Wang Y., Wierzbowski J., Gibson R., Jiwani N., Caruso A., Bush D.,
RA   Safer H., Patwell D., Prabhakar S., McDougall S., Shimer G., Goyal A.,
RA   Pietrovski S., Church G.M., Daniels C.J., Mao J.-I., Rice P., Noelling J.,
RA   Reeve J.N.;
RT   "Complete genome sequence of Methanobacterium thermoautotrophicum deltaH:
RT   functional analysis and comparative genomics.";
RL   J. Bacteriol. 179:7135-7155(1997).
CC   -!- FUNCTION: Catalyzes the hydrolysis of inorganic pyrophosphate (PPi)
CC       forming two phosphate ions. {ECO:0000255|HAMAP-Rule:MF_00209}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=diphosphate + H2O = H(+) + 2 phosphate; Xref=Rhea:RHEA:24576,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:43474; EC=3.6.1.1; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00209};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00209};
CC   -!- SUBUNIT: Homohexamer. {ECO:0000255|HAMAP-Rule:MF_00209}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00209}.
CC   -!- SIMILARITY: Belongs to the PPase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00209}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AE000666; AAB84769.1; -; Genomic_DNA.
DR   PIR; B69133; B69133.
DR   RefSeq; WP_010875902.1; NC_000916.1.
DR   AlphaFoldDB; O26363; -.
DR   SMR; O26363; -.
DR   STRING; 187420.MTH_263; -.
DR   EnsemblBacteria; AAB84769; AAB84769; MTH_263.
DR   GeneID; 1470224; -.
DR   KEGG; mth:MTH_263; -.
DR   PATRIC; fig|187420.15.peg.232; -.
DR   HOGENOM; CLU_073198_1_2_2; -.
DR   OMA; DEPTFPG; -.
DR   Proteomes; UP000005223; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004427; F:inorganic diphosphatase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006796; P:phosphate-containing compound metabolic process; IEA:InterPro.
DR   CDD; cd00412; pyrophosphatase; 1.
DR   Gene3D; 3.90.80.10; -; 1.
DR   HAMAP; MF_00209; Inorganic_PPase; 1.
DR   InterPro; IPR008162; Pyrophosphatase.
DR   InterPro; IPR036649; Pyrophosphatase_sf.
DR   PANTHER; PTHR10286; PTHR10286; 1.
DR   Pfam; PF00719; Pyrophosphatase; 1.
DR   SUPFAM; SSF50324; SSF50324; 1.
DR   PROSITE; PS00387; PPASE; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Hydrolase; Magnesium; Metal-binding; Reference proteome.
FT   CHAIN           1..176
FT                   /note="Inorganic pyrophosphatase"
FT                   /id="PRO_0000137552"
FT   BINDING         30
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT   BINDING         44
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT   BINDING         56
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT   BINDING         66
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT   BINDING         71
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT   BINDING         71
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT   BINDING         103
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT   BINDING         140
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
SQ   SEQUENCE   176 AA;  20084 MW;  5A3BCD981997DC72 CRC64;
     MNLWKDIEPG PSVPEVVYAV VEIPKGSRNK YEYHKDLQAF ALDRVLYSAV FYPAEYGIIP
     RTLYDDGDPM DILVLMDEPT FPGCIIESRP IGLLRMIDGG DQDDKILAVP VADPHFADVK
     DISDIPEHNL KEIANFFETY KKLEGKKTET LGWEGAEKAF EAVNHSIELY RKKYME