ID PPX_SALTI Reviewed; 513 AA. AC P0A270; O86091; DT 15-MAR-2005, integrated into UniProtKB/Swiss-Prot. DT 23-JAN-2007, sequence version 2. DT 24-JAN-2024, entry version 100. DE RecName: Full=Exopolyphosphatase {ECO:0000250|UniProtKB:P0AFL6}; DE Short=ExopolyPase {ECO:0000250|UniProtKB:P0AFL6}; DE EC=3.6.1.11 {ECO:0000250|UniProtKB:P0AFL6}; GN Name=ppx; OrderedLocusNames=STY2743, t0355; OS Salmonella typhi. OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Enterobacteriaceae; Salmonella. OX NCBI_TaxID=90370; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=CT18; RX PubMed=11677608; DOI=10.1038/35101607; RA Parkhill J., Dougan G., James K.D., Thomson N.R., Pickard D., Wain J., RA Churcher C.M., Mungall K.L., Bentley S.D., Holden M.T.G., Sebaihia M., RA Baker S., Basham D., Brooks K., Chillingworth T., Connerton P., Cronin A., RA Davis P., Davies R.M., Dowd L., White N., Farrar J., Feltwell T., RA Hamlin N., Haque A., Hien T.T., Holroyd S., Jagels K., Krogh A., RA Larsen T.S., Leather S., Moule S., O'Gaora P., Parry C., Quail M.A., RA Rutherford K.M., Simmonds M., Skelton J., Stevens K., Whitehead S., RA Barrell B.G.; RT "Complete genome sequence of a multiple drug resistant Salmonella enterica RT serovar Typhi CT18."; RL Nature 413:848-852(2001). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 700931 / Ty2; RX PubMed=12644504; DOI=10.1128/jb.185.7.2330-2337.2003; RA Deng W., Liou S.-R., Plunkett G. III, Mayhew G.F., Rose D.J., Burland V., RA Kodoyianni V., Schwartz D.C., Blattner F.R.; RT "Comparative genomics of Salmonella enterica serovar Typhi strains Ty2 and RT CT18."; RL J. Bacteriol. 185:2330-2337(2003). CC -!- FUNCTION: Degradation of inorganic polyphosphates (polyP). Releases CC orthophosphate processively from the ends of the polyP chain. CC {ECO:0000250|UniProtKB:P0AFL6}. CC -!- CATALYTIC ACTIVITY: CC Reaction=[phosphate](n) + H2O = [phosphate](n-1) + H(+) + phosphate; CC Xref=Rhea:RHEA:21528, Rhea:RHEA-COMP:9859, Rhea:RHEA-COMP:14279, CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:16838, CC ChEBI:CHEBI:43474; EC=3.6.1.11; CC Evidence={ECO:0000250|UniProtKB:P0AFL6}; CC -!- COFACTOR: CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; CC Evidence={ECO:0000250|UniProtKB:P0AFL6}; CC -!- SUBUNIT: Homodimer. {ECO:0000250|UniProtKB:P0AFL6}. CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000250|UniProtKB:P0AFL6}; CC Peripheral membrane protein {ECO:0000250|UniProtKB:P0AFL6}. CC -!- SIMILARITY: Belongs to the GppA/Ppx family. {ECO:0000305}. 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; AL513382; CAD02704.1; -; Genomic_DNA. DR EMBL; AE014613; AAO68074.1; -; Genomic_DNA. DR RefSeq; NP_457037.1; NC_003198.1. DR RefSeq; WP_001123330.1; NZ_WSUR01000007.1. DR AlphaFoldDB; P0A270; -. DR SMR; P0A270; -. DR STRING; 220341.gene:17586638; -. DR KEGG; stt:t0355; -. DR KEGG; sty:STY2743; -. DR PATRIC; fig|220341.7.peg.2781; -. DR eggNOG; COG0248; Bacteria. DR HOGENOM; CLU_025908_4_0_6; -. DR OMA; RISEGCY; -. DR OrthoDB; 9793035at2; -. DR Proteomes; UP000000541; Chromosome. DR Proteomes; UP000002670; Chromosome. DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell. DR GO; GO:0004309; F:exopolyphosphatase activity; IEA:UniProtKB-EC. DR GO; GO:0006793; P:phosphorus metabolic process; IEA:InterPro. DR CDD; cd00012; NBD_sugar-kinase_HSP70_actin; 1. DR Gene3D; 3.30.420.40; -; 1. DR Gene3D; 3.30.70.2260; -; 1. DR Gene3D; 3.30.420.150; Exopolyphosphatase. Domain 2; 1. DR Gene3D; 1.10.3210.10; Hypothetical protein af1432; 1. DR InterPro; IPR043129; ATPase_NBD. DR InterPro; IPR022371; Exopolyphosphatase. DR InterPro; IPR048950; Ppx_GppA_C. DR InterPro; IPR003695; Ppx_GppA_N. DR InterPro; IPR030673; PyroPPase_GppA_Ppx. DR NCBIfam; TIGR03706; exo_poly_only; 1. DR PANTHER; PTHR30005; EXOPOLYPHOSPHATASE; 1. DR PANTHER; PTHR30005:SF14; EXOPOLYPHOSPHATASE; 1. DR Pfam; PF02541; Ppx-GppA; 1. DR Pfam; PF21447; Ppx-GppA_III; 1. DR PIRSF; PIRSF001267; Pyrophosphatase_GppA_Ppx; 1. DR SUPFAM; SSF53067; Actin-like ATPase domain; 2. DR SUPFAM; SSF109604; HD-domain/PDEase-like; 1. PE 3: Inferred from homology; KW Cell membrane; Hydrolase; Magnesium; Membrane. FT INIT_MET 1 FT /note="Removed" FT /evidence="ECO:0000250" FT CHAIN 2..513 FT /note="Exopolyphosphatase" FT /id="PRO_0000194304" SQ SEQUENCE 513 AA; 58145 MW; 02ACBA7895F2ED6D CRC64; MPIYDKSPRP QEFAAVDLGS NSFHMVIARV VDGAMQIIGR LKQRVHLADG LGADNKLSEE AMERGLSCLS LFAERLQGFS PSSVCIVGTH TLRQAQNAAD FLKRAEKVIP YPIEIISGNE EARLIFMGVE HTQPEKGRKL VIDIGGGSTE LVIGENFEPR LVESRRMGCV SFAQLYFPGG VINKENFQRA RMAAAQKLET LTWQYRIQGW NVAMGASGTI KAAHEVLLAL GEKDGFITPE RLDKLKSEVL KHRSFNALSL PGLSEERKAV FVPGLAILCG VFDALAIREL RLSDGALREG VLYEMEGRFR HQDVRSRTAK SLANQYNIDR EQARRVLETT MQMYEQWQAQ QPKLAHPQLE ALLRWAAMLH EVGLNINHSG LHRHSAYILQ HSDLPGFNQE QQMMMATLVR YHRKAIKLDD MPRFTLFKKK QYLPLIQLLR LGVLLNNQRQ ATTTPPTLRL TTDDSHWTLC FPHDWFSQNA LVLLDLEKEQ QYWEAVTGWR LNIEEESSPE IAA //