Protein: RP54
RNA polymerase sigma-54 factor

Gene: RP54, rpoN
Organism: Escherichia coli K-12
Interactions: 16
UniProt ID: P24255

Gene Ontology (top 5):
GO:0000345 - cytosolic DNA-directed RNA polymerase complex
GO:0000976 - transcription cis-regulatory region binding
GO:0001216 - DNA-binding transcription activator activity
GO:0006352 - DNA-templated transcription initiation
GO:0006355 - regulation of DNA-templated transcription

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

494632

RPOA
DNA-directed RNA polymerase subunit alpha

2

1

High-throughput

0.789

High

495841

RPOC
DNA-directed RNA polymerase subunit beta'

2

1

High-throughput

0.789

High

495921

RPOB
DNA-directed RNA polymerase subunit beta

2

1

High-throughput

0.789

High

664225

PSPF
Psp operon transcriptional activator

1

0

Small-scale

0.586

High

664226

LPOA
Penicillin-binding protein activator LpoA

2

0

High-throughput

0.318

High

382718

RS7
Small ribosomal subunit protein uS7

1

0

High-throughput

0.279

Low

493942

RS3
Small ribosomal subunit protein uS3

1

0

High-throughput

0.279

Low

598620

PHNN
Ribose 1,5-bisphosphate phosphokinase PhnN

1

0

High-throughput

0.279

Low

664227

RL2
Large ribosomal subunit protein uL2

1

0

High-throughput

0.279

Low

664230

NAGZ
Beta-hexosaminidase

1

0

High-throughput

0.279

Low

664231

PAOB
Aldehyde oxidoreductase FAD-binding subunit PaoB

1

0

High-throughput

0.279

Low

491160

DNAK
Chaperone protein DnaK

1

0

High-throughput

0.253

Low

497514

RL13
Large ribosomal subunit protein uL13

1

0

High-throughput

0.253

Low

664228

RL4
Large ribosomal subunit protein uL4

1

0

High-throughput

0.253

Low

664229

PTNAB
PTS system mannose-specific EIIAB component

1

0

High-throughput

0.253

Low

501022

RSD
Regulator of sigma D

1

0

Small-scale

0.249

Low


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Last updated: 11Aug2025