Protein: NRPB3
DNA-directed RNA polymerases II, IV and V subunit 3 (DNA-directed RNA polymerase II 36 kDa polypeptide A) (DNA-directed RNA polymerase II subunit RPB3-A) (RNA polymerase II subunit 3-A) (RNA polymerase II subunit B3-A)

Gene: NRPB3
Organism: Arabidopsis thaliana
Interactions: 23
UniProt ID: Q39211

Gene Ontology (top 5):
GO:0000418 - RNA polymerase IV complex
GO:0000419 - RNA polymerase V complex
GO:0003677 - DNA binding
GO:0003899 - DNA-directed RNA polymerase activity
GO:0005634 - nucleus

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1182280

NRPBB
DNA-directed RNA polymerases II, IV and V subunit 11

1

17

Small-scale

0.680

High

1184638

RPD3B
DNA-directed RNA polymerases IV and V subunit 3B

1

5

Small-scale

0.647

High

1184640

NRPE1
DNA-directed RNA polymerase V subunit 1

1

18

Small-scale

0.618

High

1184646

NRPD1
DNA-directed RNA polymerase IV subunit 1

1

18

Small-scale

0.618

High

1184648

CLSY1
SNF2 domain-containing protein CLASSY 1

1

8

Small-scale

0.618

High

1184651

CHR35
Protein CHROMATIN REMODELING 35

1

5

Small-scale

0.618

High

843103

KPK1
Serine/threonine-protein kinase AtPK1/AtPK6

2

2

High-throughput

0.571

High

307695

DRE2A
Dehydration-responsive element-binding protein 2A

1

0

Small-scale

0.561

High

1184649

NFYA2
Nuclear transcription factor Y subunit A-2

1

0

Small-scale

0.537

High

200217

NFYB3
Nuclear transcription factor Y subunit B-3

1

5

Small-scale

0.527

High

235458

NRPB4
DNA-directed RNA polymerase II subunit 4

1

4

Small-scale

0.527

High

1184639

FAMA
Transcription factor FAMA

1

1

Small-scale

0.527

High

1184647

ICE1
Transcription factor ICE1

1

1

Small-scale

0.527

High

1184641

NFYB6
Nuclear transcription factor Y subunit B-6

1

5

Small-scale

0.481

High

1184645

NFYB2
Nuclear transcription factor Y subunit B-2

1

5

Small-scale

0.481

High

1184650

NFYB7
Nuclear transcription factor Y subunit B-7

1

5

Small-scale

0.481

High

1184652

NFYB1
Nuclear transcription factor Y subunit B-1

1

5

Small-scale

0.481

High

1028508

CPL4
RNA polymerase II C-terminal domain phosphatase-like 4

1

3

Small-scale

0.479

High

1184642

DRM3
Probable inactive DNA

1

3

Small-scale

0.479

High

1184653

SHH1
Protein SAWADEE HOMEODOMAIN HOMOLOG 1

1

1

Small-scale

0.479

High

1184644

DMS3
Protein DEFECTIVE IN MERISTEM SILENCING 3

1

0

Small-scale

0.458

High

1184643

Q93ZU3
non-specific serine/threonine protein kinase

1

1

High-throughput

0.439

High

308470

O82754
non-specific serine/threonine protein kinase

1

1

High-throughput

0.417

High


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Last updated: 11Aug2025