Protein: NUSA
Transcription termination/antitermination protein NusA (N utilization substance protein A) (Transcription termination/antitermination L factor)

Gene: NUSA
Organism: Escherichia coli K-12
Interactions: 43
UniProt ID: P0AFF6

Gene Ontology (top 5):
GO:0000166 - nucleotide binding
GO:0001000 - bacterial-type RNA polymerase core enzyme binding
GO:0003700 - DNA-binding transcription factor activity
GO:0003723 - RNA binding
GO:0005829 - cytosol

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

495904

RPOB
DNA-directed RNA polymerase subunit beta

3

0

High-throughput

0.804

High

382693

RS7
Small ribosomal subunit protein uS7

2

1

High-throughput

0.789

High

494616

RPOA
DNA-directed RNA polymerase subunit alpha

2

0

Small-scale

0.765

High

495819

RPOC
DNA-directed RNA polymerase subunit beta'

2

0

High-throughput

0.749

High

492607

RL19
Large ribosomal subunit protein bL19

3

0

High-throughput

0.629

High

493914

RS3
Small ribosomal subunit protein uS3

3

0

High-throughput

0.629

High

494090

RS4
Small ribosomal subunit protein uS4

3

0

High-throughput

0.629

High

500709

RL2
Large ribosomal subunit protein uL2

3

0

High-throughput

0.629

High

491434

IF2
Translation initiation factor IF-2

2

2

High-throughput

0.612

High

500711

RL24
Large ribosomal subunit protein uL24

1

0

High-throughput

0.593

High

494281

RS5
Small ribosomal subunit protein uS5

2

0

High-throughput

0.585

High

489237

UVRA
UvrABC system protein A

2

0

High-throughput

0.563

High

495874

METJ
Met repressor

2

0

High-throughput

0.563

High

500708

RAPA
RNA polymerase-associated protein RapA

2

0

High-throughput

0.563

High

491629

KPRS
Ribose-phosphate pyrophosphokinase

2

0

High-throughput

0.547

High

489412

ASSY
Argininosuccinate synthase

1

0

High-throughput

0.513

High

494444

RS9
Small ribosomal subunit protein uS9

1

0

High-throughput

0.513

High

496468

FUR
Ferric uptake regulation protein

1

0

High-throughput

0.513

High

498852

G6PD
Glucose-6-phosphate 1-dehydrogenase

1

0

High-throughput

0.513

High

500702

RL6
Large ribosomal subunit protein uL6

1

0

High-throughput

0.513

High

500714

RL5
Large ribosomal subunit protein uL5

1

0

High-throughput

0.513

High

365825

RPOD
RNA polymerase sigma factor RpoD

1

1

High-throughput

0.484

High

490966

IHFB
Integration host factor subunit beta

1

1

High-throughput

0.484

High

500704

RPOH
RNA polymerase sigma factor RpoH

1

1

High-throughput

0.484

High

500705

EFTU1
Elongation factor Tu 1

1

1

High-throughput

0.484

High

492730

RL1
Large ribosomal subunit protein uL1

1

0

High-throughput

0.464

High

494664

RPOZ
DNA-directed RNA polymerase subunit omega

1

0

High-throughput

0.464

High

500701

ODP1
Pyruvate dehydrogenase E1 component

1

0

High-throughput

0.464

High

500710

RL3
Large ribosomal subunit protein uL3

1

0

High-throughput

0.464

High

500712

RL4
Large ribosomal subunit protein uL4

1

0

High-throughput

0.464

High

500713

RL22
Large ribosomal subunit protein uL22

1

0

High-throughput

0.464

High

500706

EFTU2
Elongation factor Tu 2

1

1

High-throughput

0.445

High

384030

RL15
Large ribosomal subunit protein uL15

2

0

High-throughput

0.319

High

500716

DPO4
DNA polymerase IV

1

0

Small-scale

0.306

High

500717

TAPT
tRNA-uridine aminocarboxypropyltransferase

1

0

High-throughput

0.282

High

498110

YCGL
Protein YcgL

1

0

High-throughput

0.279

Low

499890

RL16
Large ribosomal subunit protein uL16

1

0

High-throughput

0.279

Low

500707

RHSD
Protein RhsD

1

0

High-throughput

0.279

Low

500715

YEBY
Uncharacterized protein YebY

1

0

High-throughput

0.261

Low

495274

YACL
UPF0231 protein YacL

1

0

High-throughput

0.253

Low

500125

USPA
Universal stress protein A

1

0

High-throughput

0.253

Low

500703

PSTS
Phosphate-binding protein PstS

1

0

High-throughput

0.253

Low

500718

YAFV
Omega-amidase YafV

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025