Protein: NCB1
Negative cofactor 2 complex subunit alpha (NC2 complex subunit alpha) (Transcription repressor BUR6)

Gene: NCB1, BUR6
Organism: Saccharomyces cerevisiae S288C
Interactions: 19
UniProt ID: P40096

Gene Ontology (top 5):
GO:0000122 - negative regulation of transcription by RNA polymerase II
GO:0001046 - core promoter sequence-specific DNA binding
GO:0003682 - chromatin binding
GO:0003713 - transcription coactivator activity
GO:0003714 - transcription corepressor activity

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

818601

NCB2
Negative cofactor 2 complex subunit beta

9

20

Small-scale

0.968

High

561479

TBP
TATA-box-binding protein

5

2

Small-scale

0.909

High

734426

BTAF1
TATA-binding protein-associated factor MOT1

3

5

Small-scale

0.640

High

818600

H2AZ
Histone H2A.Z

1

1

Small-scale

0.618

High

381116

H2B1
Histone H2B.1

1

3

High-throughput

0.575

High

382127

H4
Histone H4

1

2

High-throughput

0.479

High

707232

TF2B
Transcription initiation factor IIB

1

2

High-throughput

0.479

High

818597

DSN1
Kinetochore-associated protein DSN1

1

1

High-throughput

0.479

High

745756

GSP1
GTP-binding nuclear protein GSP1/CNR1

1

0

High-throughput

0.458

High

747885

SMY2
Protein SMY2

1

0

High-throughput

0.458

High

763903

SPT10
Protein SPT10

1

0

High-throughput

0.458

High

818599

ORC1
Origin recognition complex subunit 1

1

0

High-throughput

0.458

High

524101

HSP71
Heat shock protein SSA1

1

5

High-throughput

0.445

High

526821

HSP72
Heat shock protein SSA2

1

5

High-throughput

0.445

High

676038

MAS5
Mitochondrial protein import protein MAS5

1

4

High-throughput

0.445

High

590639

HSP26
Heat shock protein 26

1

0

High-throughput

0.426

High

763444

MDJ1
DnaJ homolog 1, mitochondrial

1

3

High-throughput

0.407

High

818598

YN94
Uncharacterized membrane glycoprotein YNR065C

1

0

High-throughput

0.282

High

700178

POP5
Ribonuclease P/MRP protein subunit POP5

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025