STRINGSTRING
STRING protein interaction network
Nodes:
Network nodes represent proteins
splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
Node Color
colored nodes:
query proteins and first shell of interactors
white nodes:
second shell of interactors
Node Content
empty nodes:
proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
Edges:
Edges represent protein-protein associations
associations are meant to be specific and meaningful, i.e. proteins jointly contribute to a shared function; this does not necessarily mean they are physically binding to each other.
Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
Others
textmining
co-expression
protein homology
Your Input:
Neighborhood
Gene Fusion
Cooccurrence
Coexpression
Experiments
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[Homology]
Score
pstCPhosphate ABC transporter (permease); Part of the binding-protein-dependent transport system for phosphate; probably responsible for the translocation of the substrate across the membrane; Belongs to the binding-protein-dependent transport system permease family. CysTW subfamily. (315 aa)    
Predicted Functional Partners:
pstB
Probable phosphate transport ATP-binding protein PSTB; Part of the ABC transporter complex PstSACB involved in phosphate import. Responsible for energy coupling to the transport system; Belongs to the ABC transporter superfamily. Phosphate importer (TC 3.A.1.7) family.
 
 0.999
pstA
Phosphate ABC transporter (permease); PMID: 99411980 best DB hits: BLAST: ddbj:BAB06711.1; (AP001517) phosphate ABC transporter (permease); E=1e-26 gb:AAB89888.1; (AE001010) phosphate ABC transporter, permease; E=1e-25 pir:D82504; phosphate ABC transporter, permease protein VCA0072; E=6e-17 COG: BH2992; COG0581 ABC-type phosphate transport system, permease; E=9e-28 MTH1729; COG0573 ABC-type phosphate transport system, permease; E=1e-16 sll0682; COG0581 ABC-type phosphate transport system, permease; E=4e-16 PFAM: PF00060; Ligand-gated ion channel; E=0.035 PF00528; Binding-protein-depend [...]
 
0.999
sphX
Phosphate ABC transporter, periplasmic phosphate-binding protein; PMID: 95075296 PMID: 7741855 best DB hits: BLAST: swissprot:P39665; SPHX_SYNP7 SPHX PROTEIN PRECURSOR -----pir:; E=9e-59 swissprot:Q55200; SPHX_SYNY3 SPHX PROTEIN HOMOLOG PRECURSOR; E=4e-56 gb:AAB89890.1; (AE001010) phosphate ABC transporter, periplasmic; E=3e-53 COG: sll0679; COG0226 ABC-type phosphate transport system, periplasmic; E=4e-57 PFAM: PF01449; Phosphate-binding protein; E=2.2e-64.
 
 
 0.999
phoU
Phosphate transport system protein PHOU homolog; Plays a role in the regulation of phosphate uptake.
 
  
 0.969
ppk
Polyphosphate kinase; Catalyzes the reversible transfer of the terminal phosphate of ATP to form a long-chain polyphosphate (polyP); Belongs to the polyphosphate kinase 1 (PPK1) family.
     
 0.753
phoB
Probable regulatory components of sensory transduction system; PMID: 8905231 best DB hits: BLAST: embl:CAA11074.1; (AJ223073) phosphate regulatory protein; E=3e-11 pir:B70152; response regulatory protein (rrp-1) homolog - Lyme; E=1e-10 gb:AAD30120.2; (AF135389) DNA binding response regulator RpaA; E=2e-10 COG: BB0419_1; COG0784 CheY-like receiver domains; E=1e-11 slr0115; COG0745 Response regulators consisting of a CheY-like; E=2e-10 slr1305_1; COG0784 CheY-like receiver domains; E=3e-09 PFAM: PF00072; Response regulator receiver doma; E=1.4e-18.
     
 0.621
TPX
Probable thiol peroxidase; Thiol-specific peroxidase that catalyzes the reduction of hydrogen peroxide and organic hydroperoxides to water and alcohols, respectively. Plays a role in cell protection against oxidative stress by detoxifying peroxides.
     
 0.546
ctpA
Carboxyl-terminal processing protease; PMID: 8034700 PMID: 8058761 best DB hits: BLAST: pir:F70144; carboxyl-terminal processing proteinase (ctp) homolog -; E=1e-42 pir:A71677; tail-specific proteinase precursor (ctp) RP228 -; E=2e-41 pir:B83005; probable carboxyl-terminal proteinase PA5134 [imported]; E=8e-40 COG: BB0359; COG0793 Periplasmic protease; E=1e-43 PFAM: PF00515; TPR Domain; E=0.18 PF00595; PDZ domain (Also known as DHR or GLG; E=4.7e-05; Belongs to the peptidase S41A family.
      
 0.542
ctpA-2
Carboxyl-terminal proteinase; PMID: 98196666 best DB hits: BLAST: pir:F70369; carboxyl-terminal proteinase - Aquifex aeolicus -----; E=4e-49 swissprot:Q44879; CTPA_BARBA CARBOXY-TERMINAL PROCESSING PROTEASE; E=7e-49 pir:B83005; probable carboxyl-terminal proteinase PA5134 [imported]; E=7e-47 COG: aq_797; COG0793 Periplasmic protease; E=3e-50 PFAM: PF00595; PDZ domain (Also known as DHR or GLG; E=0.0011; Belongs to the peptidase S41A family.
      
 0.542
merA
Mercuric reductase; PMID: 2536669 PMID: 2067577 best DB hits: BLAST: pir:S75167; mercuric reductase - Synechocystis sp. (strain PCC 6803); E=1e-121 embl:CAA70224.1; (Y09024) mercuric reductase [Bacillus cereus]; E=9e-60 pir:T44505; merA protein [imported] - Clostridium butyricum -----; E=3e-59 COG: slr1849; COG1249 Dihydrolipoamide dehydrogenase/glutathione; E=1e-122 PFAM: PF00732; GMC oxidoreductases; E=0.074 PF02254; KTN NAD-binding domain; E=0.7 PF00899; ThiF family; E=0.22.
      
 0.442
Your Current Organism:
Rhodopirellula baltica
NCBI taxonomy Id: 243090
Other names: Pirellula sp. 1, R. baltica SH 1, Rhodopirellula baltica SH 1, Rhodopirellula baltica str. SH 1, Rhodopirellula baltica strain SH 1
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