Protein: RRN3
RNA polymerase I-specific transcription initiation factor RRN3

Gene: RRN3
Organism: Saccharomyces cerevisiae S288C
Interactions: 23
UniProt ID: P36070

Gene Ontology (top 5):
GO:0000182 - rDNA binding
GO:0001042 - RNA polymerase I core binding
GO:0001179 - RNA polymerase I general transcription initiation factor binding
GO:0001181 - RNA polymerase I general transcription initiation factor activity
GO:0005634 - nucleus

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

534251

RPA1
DNA-directed RNA polymerase I subunit RPA190

5

2

Small-scale

0.908

High

644908

RPA2
DNA-directed RNA polymerase I subunit RPA135

2

2

Small-scale

0.776

High

780572

RPA43
DNA-directed RNA polymerase I subunit RPA43

2

1

Small-scale

0.737

High

780570

RRN3
RNA polymerase I-specific transcription initiation factor RRN3

1

0

Small-scale

0.674

High

780575

ERG13
Hydroxymethylglutaryl-CoA synthase

2

0

High-throughput

0.595

High

780576

RPA49
DNA-directed RNA polymerase I subunit RPA49

1

1

Small-scale

0.575

High

744729

RRN6
RNA polymerase I-specific transcription initiation factor RRN6

1

0

Small-scale

0.529

High

523603

HSP71
Heat shock protein SSA1

2

0

High-throughput

0.528

High

694526

SPT5
Transcription elongation factor SPT5

1

0

Small-scale

0.480

High

780577

TAF12
SAGA complex/transcription factor TFIID complex subunit TAF12

1

0

Small-scale

0.480

High

780578

NOP53
Ribosome biogenesis protein NOP53

1

0

Small-scale

0.480

High

780579

HAA1
Transcriptional activator HAA1

1

0

High-throughput

0.458

High

459072

RPAC1
DNA-directed RNA polymerases I and III subunit RPAC1

1

1

Small-scale

0.445

High

544458

SSB1
Ribosome-associated molecular chaperone SSB1

1

1

High-throughput

0.445

High

780571

SSB2
Ribosome-associated molecular chaperone SSB2

1

1

High-throughput

0.445

High

780574

NAF1
H/ACA ribonucleoprotein complex non-core subunit NAF1

1

0

High-throughput

0.438

High

699996

RPAC2
DNA-directed RNA polymerases I and III subunit RPAC2

1

0

Small-scale

0.426

High

736634

ASF1
Histone chaperone ASF1

1

0

High-throughput

0.426

High

780573

RPA14
DNA-directed RNA polymerase I subunit RPA14

1

0

Small-scale

0.426

High

561306

DPOLA
DNA polymerase alpha catalytic subunit A

4

0

Small-scale

0.358

High

394446

EF1A
Elongation factor 1-alpha

1

0

High-throughput

0.279

Low

453542

PYR1
Multifunctional protein URA2

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025