Protein: PPK1
Polyphosphate kinase (EC 2.7.4.1) (ATP-polyphosphate phosphotransferase) (Polyphosphoric acid kinase)

Gene: PPK1, ppk
Organism: Escherichia coli K-12
Interactions: 31
UniProt ID: P0A7B1

Gene Ontology (top 5):
GO:0005524 - ATP binding
GO:0005829 - cytosol
GO:0005886 - plasma membrane
GO:0006799 - polyphosphate biosynthetic process
GO:0008976 - polyphosphate kinase activity

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

492088

PPK1
Polyphosphate kinase

1

1

High-throughput

0.618

High

368799

SYI
Isoleucine--tRNA ligase

2

0

High-throughput

0.563

High

492094

ARTP
Arginine transport ATP-binding protein ArtP

2

0

High-throughput

0.563

High

492105

GMHBB
D-glycero-beta-D-manno-heptose-1,7-bisphosphate 7-phosphatase

1

0

High-throughput

0.518

High

368785

SYW
Tryptophan--tRNA ligase

1

0

High-throughput

0.513

High

431305

PDXB
Erythronate-4-phosphate dehydrogenase

1

0

High-throughput

0.513

High

489487

CH60
Chaperonin GroEL

1

0

High-throughput

0.513

High

492095

CLPA
ATP-dependent Clp protease ATP-binding subunit ClpA

1

0

High-throughput

0.513

High

492096

SDHA
Succinate dehydrogenase flavoprotein subunit

1

0

High-throughput

0.513

High

492097

YIBL
Uncharacterized protein YibL

1

0

High-throughput

0.513

High

492098

HYAD
Hydrogenase 1 maturation protease

1

0

High-throughput

0.513

High

492100

KPYK2
Pyruvate kinase II

1

0

High-throughput

0.513

High

492101

ASMA
Protein AsmA

1

0

High-throughput

0.513

High

492104

ABPB
Anti-bacteriophage protein B

1

0

High-throughput

0.513

High

492109

ALAC
Glutamate-pyruvate aminotransferase AlaC

1

0

High-throughput

0.513

High

492091

YFBV
UPF0208 membrane protein YfbV

1

0

High-throughput

0.493

High

492093

DLDH
Dihydrolipoyl dehydrogenase

1

0

High-throughput

0.464

High

492092

P5CR
Pyrroline-5-carboxylate reductase

1

0

High-throughput

0.458

High

492090

RNPA
Ribonuclease P protein component

2

0

High-throughput

0.307

High

492089

RL35
Large ribosomal subunit protein bL35

1

0

High-throughput

0.282

High

492103

PTFB3
PTS system fructose-like EIIB component 3

1

0

High-throughput

0.282

High

492107

YHCO
Uncharacterized protein YhcO

1

0

High-throughput

0.282

High

492108

ZAPC
Cell division protein ZapC

1

0

High-throughput

0.282

High

492111

YAFJ
Putative glutamine amidotransferase YafJ

1

0

High-throughput

0.282

High

450105

PRIB
Replication restart protein PriB

1

0

High-throughput

0.279

Low

492099

HYAE
Hydrogenase-1 operon protein HyaE

1

0

High-throughput

0.279

Low

492106

YGHW
Uncharacterized protein YghW

1

0

High-throughput

0.279

Low

492110

YDHW
Uncharacterized protein YdhW

1

0

High-throughput

0.279

Low

492102

YAFC
Uncharacterized HTH-type transcriptional regulator YafC

1

0

High-throughput

0.269

Low

449818

ODP2
Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex

1

0

High-throughput

0.253

Low


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Last updated: 11Aug2025