Protein: FNR
Fumarate and nitrate reduction regulatory protein

Gene: FNR
Organism: Escherichia coli K-12
Interactions: 9
UniProt ID: P0A9E5

Gene Ontology (top 5):
GO:0000976 - transcription cis-regulatory region binding
GO:0001216 - DNA-binding transcription activator activity
GO:0003677 - DNA binding
GO:0003700 - DNA-binding transcription factor activity
GO:0005829 - cytosol

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

365819

RPOD
RNA polymerase sigma factor RpoD

1

3

Small-scale

0.618

High

496571

YFGD
Uncharacterized protein YfgD

1

1

High-throughput

0.541

High

491598

KPRS
Ribose-phosphate pyrophosphokinase

1

1

High-throughput

0.536

High

496569

HEMW
Heme chaperone HemW

1

1

High-throughput

0.536

High

496573

MQSA
Antitoxin MqsA

1

0

High-throughput

0.518

High

496567

PHOB
Phosphate regulon transcriptional regulatory protein PhoB

1

0

High-throughput

0.513

High

496568

NADE
NH(3)-dependent NAD(+) synthetase

1

0

High-throughput

0.513

High

496570

SPEB
Agmatinase

1

0

High-throughput

0.513

High

496572

ECPB
Probable fimbrial chaperone EcpB

1

0

High-throughput

0.279

Low


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Last updated: 11Aug2025