Protein: NRPB1
DNA-directed RNA polymerase II subunit RPB1 (DNA polymerase II subunit B1) (EC 2.7.7.6) (DNA-directed RNA polymerase II largest subunit) (DNA-directed RNA polymerase II subunit 1)

Gene: NRPB1
Organism: Arabidopsis thaliana
Interactions: 15
UniProt ID: P18616

Gene Ontology (top 5):
GO:0000325 - plant-type vacuole
GO:0003677 - DNA binding
GO:0003899 - DNA-directed RNA polymerase activity
GO:0005665 - RNA polymerase II, core complex
GO:0005739 - mitochondrion

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

307085

RPB5A
DNA-directed RNA polymerases II and IV subunit 5A

1

15

Small-scale

0.618

High

615619

CPL3
RNA polymerase II C-terminal domain phosphatase-like 3

1

7

Small-scale

0.549

High

615617

CYP59
Peptidyl-prolyl cis-trans isomerase CYP59

1

3

Small-scale

0.535

High

102006

PR40B
Pre-mRNA-processing protein 40B

1

10

Small-scale

0.501

High

615623

RDM1
Protein RDM1

1

0

Small-scale

0.493

High

81968

PR40A
Pre-mRNA-processing protein 40A

1

12

Small-scale

0.481

High

615622

PR40C
Pre-mRNA-processing protein 40C

1

13

Small-scale

0.481

High

615616

CPL1
RNA polymerase II C-terminal domain phosphatase-like 1

1

0

Small-scale

0.480

High

615613

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

1

8

Small-scale

0.479

High

615614

UBQ3
Polyubiquitin 3 [Cleaved into: Ubiquitin]

1

2

High-throughput

0.479

High

615615

MPK3
Mitogen-activated protein kinase 3

1

3

Small-scale

0.457

High

615620

CDKC2
Cyclin-dependent kinase C-2

1

10

Small-scale

0.457

High

615621

CDKC1
Cyclin-dependent kinase C-1

1

12

Small-scale

0.457

High

99506

F4HRC0
Trimethylguanosine synthase

1

0

Small-scale

0.261

Low

615618

ZOP1
Zinc finger protein ZOP1

1

0

Small-scale

0.249

Low


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Last updated: 11Aug2025