Protein: RPB3
DNA-directed RNA polymerase II subunit RPB3 (RNA polymerase II subunit 3) (RNA polymerase II subunit B3) (DNA-directed RNA polymerase II 33 kDa polypeptide)

Gene: RPB3
Organism: Schizosaccharomyces pombe 972h-
Interactions: 26
UniProt ID: P37382

Gene Ontology (top 5):
GO:0000785 - chromatin
GO:0003677 - DNA binding
GO:0003899 - DNA-directed RNA polymerase activity
GO:0005634 - nucleus
GO:0005665 - RNA polymerase II, core complex

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

790647

RPB2
DNA-directed RNA polymerase II subunit RPB2

8

17

Small-scale

0.964

High

790646

RPB11
DNA-directed RNA polymerase II subunit RPB11

7

17

Small-scale

0.962

High

785623

RPB1
DNA-directed RNA polymerase II subunit rpb1

8

19

Small-scale

0.960

High

151895

RPAB5
DNA-directed RNA polymerases I, II, and III subunit RPABC5

6

4

Small-scale

0.936

High

785645

RPAB2
DNA-directed RNA polymerases I, II, and III subunit RPABC2

6

4

Small-scale

0.933

High

790651

RPAB3
DNA-directed RNA polymerases I, II, and III subunit RPABC3

5

4

Small-scale

0.918

High

790644

RPAB4
DNA-directed RNA polymerases I, II, and III subunit RPABC4

5

4

Small-scale

0.909

High

790648

RPAB1
DNA-directed RNA polymerases I, II, and III subunit RPABC1

7

6

Small-scale

0.743

High

154254

RPB7
DNA-directed RNA polymerase II subunit rpb7

6

8

Small-scale

0.724

High

267909

RPB9
DNA-directed RNA polymerase II subunit RPB9

3

12

Small-scale

0.641

High

268286

RPB4
DNA-directed RNA polymerase II subunit rpb4

3

4

Small-scale

0.641

High

151540

YE02
Uncharacterized helicase C17H9.02

1

6

High-throughput

0.618

High

152610

SET2
Histone-lysine N-methyltransferase, H3 lysine-36 specific

2

2

Small-scale

0.584

High

237994

MED7
Mediator of RNA polymerase II transcription subunit 7

2

2

Small-scale

0.571

High

314092

T2FB
Transcription initiation factor IIF subunit beta

2

3

Small-scale

0.571

High

790652

FCP1
RNA polymerase II subunit A C-terminal domain phosphatase

2

3

Small-scale

0.571

High

790654

SEB1
Rpb7-binding protein seb1

1

1

Small-scale

0.501

High

790649

SDS23
Protein sds23/moc1

1

0

Small-scale

0.486

High

790653

MOC3
Transcriptional regulatory protein moc3

1

0

Small-scale

0.486

High

149028

PHD1
Histone deacetylase phd1

1

2

High-throughput

0.479

High

790655

RED1
NURS complex subunit red1

1

1

High-throughput

0.479

High

151768

DCP2
mRNA decapping complex subunit 2

1

0

High-throughput

0.460

High

314121

TAF14
Transcription initiation factor TFIID subunit 14

1

1

Small-scale

0.445

High

790645

G3P1
Glyceraldehyde-3-phosphate dehydrogenase 1

1

3

Small-scale

0.445

High

534530

ACT
Actin

1

2

Small-scale

0.407

High

790650

CAPZA
F-actin-capping protein subunit alpha

1

0

Small-scale

0.232

Low


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Last updated: 11Aug2025