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P0A269

- PPX_SALTY

UniProt

P0A269 - PPX_SALTY

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Protein

Exopolyphosphatase

Gene

ppx

Organism
Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi

Functioni

Degradation of inorganic polyphosphates. Orthophosphate is released progressively from the ends of polyphosphate of circa 500 residues long, while chains of circa 15 residues compete poorly with polyphosphate as substrate (By similarity).By similarity

Catalytic activityi

(Polyphosphate)(n) + H2O = (polyphosphate)(n-1) + phosphate.

Cofactori

Magnesium.By similarity

GO - Molecular functioni

  1. exopolyphosphatase activity Source: UniProtKB-EC
  2. magnesium ion binding Source: InterPro

GO - Biological processi

  1. polyphosphate catabolic process Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Hydrolase

Keywords - Ligandi

Magnesium

Enzyme and pathway databases

BioCyciSENT99287:GCTI-2518-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Exopolyphosphatase (EC:3.6.1.11)
Short name:
ExopolyPase
Alternative name(s):
Metaphosphatase
Gene namesi
Name:ppx
Ordered Locus Names:STM2502
OrganismiSalmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)
Taxonomic identifieri99287 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeSalmonella
ProteomesiUP000001014: Chromosome

Subcellular locationi

Cell membrane By similarity; Peripheral membrane protein By similarity

GO - Cellular componenti

  1. plasma membrane Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Cell membrane, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11RemovedBy similarity
Chaini2 – 513512ExopolyphosphatasePRO_0000194305Add
BLAST

Proteomic databases

PaxDbiP0A269.
PRIDEiP0A269.

Interactioni

Subunit structurei

Homodimer.By similarity

Protein-protein interaction databases

STRINGi99287.STM2502.

Structurei

3D structure databases

ProteinModelPortaliP0A269.
SMRiP0A269. Positions 11-506.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the GppA/Ppx family.Curated

Phylogenomic databases

eggNOGiCOG0248.
HOGENOMiHOG000258672.
KOiK01524.
OMAiENNKLLH.
OrthoDBiEOG6M6JN6.
PhylomeDBiP0A269.

Family and domain databases

InterProiIPR022371. Exopolyphosphatase.
IPR003695. Ppx_GppA.
[Graphical view]
PfamiPF02541. Ppx-GppA. 1 hit.
[Graphical view]
TIGRFAMsiTIGR03706. exo_poly_only. 1 hit.

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P0A269 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MPIYDKSPRP QEFAAVDLGS NSFHMVIARV VDGAMQIIGR LKQRVHLADG
60 70 80 90 100
LGADNKLSEE AMERGLSCLS LFAERLQGFS PSSVCIVGTH TLRQAQNAAD
110 120 130 140 150
FLKRAEKVIP YPIEIISGNE EARLIFMGVE HTQPEKGRKL VIDIGGGSTE
160 170 180 190 200
LVIGENFEPR LVESRRMGCV SFAQLYFPGG VINKENFQRA RMAAAQKLET
210 220 230 240 250
LTWQYRIQGW NVAMGASGTI KAAHEVLLAL GEKDGFITPE RLDKLKSEVL
260 270 280 290 300
KHRSFNALSL PGLSEERKAV FVPGLAILCG VFDALAIREL RLSDGALREG
310 320 330 340 350
VLYEMEGRFR HQDVRSRTAK SLANQYNIDR EQARRVLETT MQMYEQWQAQ
360 370 380 390 400
QPKLAHPQLE ALLRWAAMLH EVGLNINHSG LHRHSAYILQ HSDLPGFNQE
410 420 430 440 450
QQMMMATLVR YHRKAIKLDD MPRFTLFKKK QYLPLIQLLR LGVLLNNQRQ
460 470 480 490 500
ATTTPPTLRL TTDDSHWTLC FPHDWFSQNA LVLLDLEKEQ QYWEAVTGWR
510
LNIEEESSPE IAA
Length:513
Mass (Da):58,145
Last modified:January 23, 2007 - v2
Checksum:i02ACBA7895F2ED6D
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF085682 Genomic DNA. Translation: AAC34891.1.
AE006468 Genomic DNA. Translation: AAL21396.1.
RefSeqiNP_461437.1. NC_003197.1.

Genome annotation databases

EnsemblBacteriaiAAL21396; AAL21396; STM2502.
GeneIDi1254024.
KEGGistm:STM2502.
PATRICi32383637. VBISalEnt20916_2641.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF085682 Genomic DNA. Translation: AAC34891.1 .
AE006468 Genomic DNA. Translation: AAL21396.1 .
RefSeqi NP_461437.1. NC_003197.1.

3D structure databases

ProteinModelPortali P0A269.
SMRi P0A269. Positions 11-506.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 99287.STM2502.

Proteomic databases

PaxDbi P0A269.
PRIDEi P0A269.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAL21396 ; AAL21396 ; STM2502 .
GeneIDi 1254024.
KEGGi stm:STM2502.
PATRICi 32383637. VBISalEnt20916_2641.

Phylogenomic databases

eggNOGi COG0248.
HOGENOMi HOG000258672.
KOi K01524.
OMAi ENNKLLH.
OrthoDBi EOG6M6JN6.
PhylomeDBi P0A269.

Enzyme and pathway databases

BioCyci SENT99287:GCTI-2518-MONOMER.

Family and domain databases

InterProi IPR022371. Exopolyphosphatase.
IPR003695. Ppx_GppA.
[Graphical view ]
Pfami PF02541. Ppx-GppA. 1 hit.
[Graphical view ]
TIGRFAMsi TIGR03706. exo_poly_only. 1 hit.
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "Polyphosphate kinase (ppk) and exopolyphosphatase (ppx) genes in Salmonella typhimurium."
    Kim K.S., Fraley C.D., Kornberg A.
    Submitted (AUG-1998) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    Strain: WRAY.
  2. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: LT2 / SGSC1412 / ATCC 700720.

Entry informationi

Entry nameiPPX_SALTY
AccessioniPrimary (citable) accession number: P0A269
Secondary accession number(s): O86091
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 15, 2005
Last sequence update: January 23, 2007
Last modified: October 29, 2014
This is version 58 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3