IPYR_STRCO
ID IPYR_STRCO Reviewed; 163 AA.
AC Q9X8I9;
DT 30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1999, sequence version 1.
DT 03-AUG-2022, entry version 120.
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=SCO3409;
GN ORFNames=SCE9.16;
OS Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145).
OC Bacteria; Actinobacteria; Streptomycetales; Streptomycetaceae;
OC Streptomyces; Streptomyces albidoflavus group.
OX NCBI_TaxID=100226;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-471 / A3(2) / M145;
RX PubMed=12000953; DOI=10.1038/417141a;
RA Bentley S.D., Chater K.F., Cerdeno-Tarraga A.-M., Challis G.L.,
RA Thomson N.R., James K.D., Harris D.E., Quail M.A., Kieser H., Harper D.,
RA Bateman A., Brown S., Chandra G., Chen C.W., Collins M., Cronin A.,
RA Fraser A., Goble A., Hidalgo J., Hornsby T., Howarth S., Huang C.-H.,
RA Kieser T., Larke L., Murphy L.D., Oliver K., O'Neil S., Rabbinowitsch E.,
RA Rajandream M.A., Rutherford K.M., Rutter S., Seeger K., Saunders D.,
RA Sharp S., Squares R., Squares S., Taylor K., Warren T., Wietzorrek A.,
RA Woodward J.R., Barrell B.G., Parkhill J., Hopwood D.A.;
RT "Complete genome sequence of the model actinomycete Streptomyces coelicolor
RT A3(2).";
RL Nature 417:141-147(2002).
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}.
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DR EMBL; AL939116; CAB42762.1; -; Genomic_DNA.
DR PIR; T36335; T36335.
DR RefSeq; NP_627615.1; NC_003888.3.
DR RefSeq; WP_003975424.1; NZ_VNID01000023.1.
DR AlphaFoldDB; Q9X8I9; -.
DR SMR; Q9X8I9; -.
DR STRING; 100226.SCO3409; -.
DR GeneID; 1098846; -.
DR KEGG; sco:SCO3409; -.
DR PATRIC; fig|100226.15.peg.3472; -.
DR eggNOG; COG0221; Bacteria.
DR HOGENOM; CLU_073198_1_1_11; -.
DR InParanoid; Q9X8I9; -.
DR OMA; DEPTFPG; -.
DR PhylomeDB; Q9X8I9; -.
DR Proteomes; UP000001973; Chromosome.
DR GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR GO; GO:0004427; F:inorganic diphosphatase activity; IBA:GO_Central.
DR GO; GO:0000287; F:magnesium ion binding; IBA:GO_Central.
DR GO; GO:0006796; P:phosphate-containing compound metabolic process; IBA:GO_Central.
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..163
FT /note="Inorganic pyrophosphatase"
FT /id="PRO_0000137532"
FT ACT_SITE 89
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT BINDING 8
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT BINDING 16
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT BINDING 30
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT BINDING 42
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT BINDING 52
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT BINDING 57
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT BINDING 57
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT BINDING 84
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="3"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT BINDING 89
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT BINDING 89
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="3"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
FT BINDING 126
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00209"
SQ SEQUENCE 163 AA; 18694 MW; 2CEC6ED89FA59BFB CRC64;
MEFDVTIEIP KGSRNKYEVD HETGRIRLDR RLFTSTAYPT DYGFVENTLG EDGDPLDALV
ILDEPTFPGC LIRCRAIGMF RMTDEAGGDD KLLCVPSTDP RVEHLRDIHH VSEFDRLEIQ
HFFEVYKDLE PGKSVEGADW VGRTEAEAEI ERSYKRFKDQ GGH