Protein: CTK2
CTD kinase subunit beta (CTDK-I subunit beta) (CTD kinase 38 kDa subunit) (CTD kinase subunit 2)

Gene: CTK2
Organism: Saccharomyces cerevisiae S288C
Interactions: 64
UniProt ID: P46962

Gene Ontology (top 5):
GO:0005634 - nucleus
GO:0005654 - nucleoplasm
GO:0005730 - nucleolus
GO:0005829 - cytosol
GO:0006974 - DNA damage response

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

863298

CTK1
CTD kinase subunit alpha

13

20

Small-scale

0.980

High

863289

CTK3
CTD kinase subunit gamma

9

0

Small-scale

0.926

High

676740

GBP2
Serine/arginine

2

2

Small-scale

0.611

High

545358

SSB1
Ribosome-associated molecular chaperone SSB1

2

12

High-throughput

0.601

High

863302

YRA1
RNA annealing protein YRA1

2

2

High-throughput

0.601

High

524369

HSP71
Heat shock protein SSA1

1

9

High-throughput

0.536

High

677852

RDS1
Regulator of drug sensitivity 1

1

1

High-throughput

0.508

High

733669

GLNA
Glutamine synthetase

1

1

High-throughput

0.501

High

737096

CDC11
Cell division control protein 11

1

1

High-throughput

0.501

High

757890

UBX1
UBX domain-containing protein 1

1

2

High-throughput

0.501

High

751537

YKJ1
CRAL-TRIO domain-containing protein YKL091C

1

0

High-throughput

0.480

High

781515

YKR18
IML2-like protein YKR018C

1

0

High-throughput

0.480

High

818384

RTR1
RNA polymerase II subunit B1 CTD phosphatase RTR1

1

0

High-throughput

0.480

High

845895

UAP1
UDP-N-acetylglucosamine pyrophosphorylase

1

0

High-throughput

0.480

High

863290

DOHH
Deoxyhypusine hydroxylase

1

0

High-throughput

0.480

High

863292

RIR4
Ribonucleoside-diphosphate reductase small chain 2

1

0

High-throughput

0.480

High

863300

PEX19
Peroxisomal membrane protein import receptor PEX19

1

0

High-throughput

0.480

High

149836

RS9A
Small ribosomal subunit protein uS4A

1

1

High-throughput

0.479

High

381153

H2B1
Histone H2B.1

1

2

Small-scale

0.479

High

392950

HSP82
ATP-dependent molecular chaperone HSP82

1

4

High-throughput

0.479

High

419451

H2A1
Histone H2A.1

1

1

Small-scale

0.479

High

419788

H2A2
Histone H2A.2

1

1

Small-scale

0.479

High

435190

RS3
Small ribosomal subunit protein uS3

1

2

High-throughput

0.479

High

436035

RS13
Small ribosomal subunit protein uS15

1

1

High-throughput

0.479

High

441989

RS14A
Small ribosomal subunit protein uS11A

1

4

High-throughput

0.479

High

455135

RS19A
Small ribosomal subunit protein eS19A

1

1

High-throughput

0.479

High

514703

RS18A
Small ribosomal subunit protein uS13A

1

1

High-throughput

0.479

High

579635

HSC82
ATP-dependent molecular chaperone HSC82

1

4

High-throughput

0.479

High

594439

RPB3
DNA-directed RNA polymerase II subunit RPB3

1

3

High-throughput

0.479

High

668277

UBP1
Ubiquitin carboxyl-terminal hydrolase 1

1

1

High-throughput

0.479

High

713001

MCM2
DNA replication licensing factor MCM2

1

7

High-throughput

0.479

High

747446

RSSA1
Small ribosomal subunit protein uS2A

1

2

High-throughput

0.479

High

792120

GBLP
Small ribosomal subunit protein RACK1

1

5

High-throughput

0.479

High

863295

NOP3
Serine/arginine

1

14

Small-scale

0.479

High

383773

RS17A
Small ribosomal subunit protein eS17A

1

0

High-throughput

0.458

High

410207

RL25
Large ribosomal subunit protein uL23

1

0

High-throughput

0.458

High

433714

RL26A
Large ribosomal subunit protein uL24A

1

0

High-throughput

0.458

High

503119

RS22A
Small ribosomal subunit protein uS8A

1

0

High-throughput

0.458

High

504286

RL31A
Large ribosomal subunit protein eL31A

1

0

High-throughput

0.458

High

512516

RS6A
Small ribosomal subunit protein eS6A

1

0

High-throughput

0.458

High

513086

RS8A
Small ribosomal subunit protein eS8A

1

0

High-throughput

0.458

High

674701

RS2
Small ribosomal subunit protein uS5

1

0

High-throughput

0.458

High

677462

KRR1
KRR1 small subunit processome component

1

0

High-throughput

0.458

High

689534

RS7A
Small ribosomal subunit protein eS7A

1

0

High-throughput

0.458

High

778401

RS27A
Small ribosomal subunit protein eS27A

1

0

High-throughput

0.458

High

802250

RS20
Small ribosomal subunit protein uS10

1

0

High-throughput

0.458

High

863291

RS12
Small ribosomal subunit protein eS12

1

0

High-throughput

0.458

High

863296

RS15
Small ribosomal subunit protein uS19

1

0

High-throughput

0.458

High

863301

RS10A
Small ribosomal subunit protein eS10A

1

0

High-throughput

0.458

High

518322

IF4A
ATP-dependent RNA helicase eIF4A

1

3

High-throughput

0.457

High

789788

ADCS
Aminodeoxychorismate synthase

1

1

High-throughput

0.457

High

828271

SYA
Alanine--tRNA ligase, mitochondrial

1

1

High-throughput

0.457

High

527023

HSP72
Heat shock protein SSA2

1

9

High-throughput

0.445

High

741849

HSP7F
Heat shock protein homolog SSE1

1

10

High-throughput

0.445

High

819108

SSB2
Ribosome-associated molecular chaperone SSB2

1

12

High-throughput

0.445

High

510607

HSP77
Import motor subunit, mitochondrial

1

1

High-throughput

0.407

High

863303

HSP42
Heat shock protein 42

1

1

High-throughput

0.407

High

581929

CATA
Peroxisomal catalase A

1

0

High-throughput

0.261

Low

609228

CLC1
Clathrin light chain

1

0

High-throughput

0.261

Low

849819

BUD27
Bud site selection protein 27

1

0

High-throughput

0.261

Low

863293

EFM5
Protein-lysine N-methyltransferase EFM5

1

0

High-throughput

0.261

Low

863294

YN93
Uncharacterized hydrolase YNR064C

1

0

High-throughput

0.261

Low

863297

YP077
Uncharacterized protein YPL077C

1

0

High-throughput

0.261

Low

863299

ARA2
D-arabinose 1-dehydrogenase

1

0

High-throughput

0.261

Low


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Last updated: 11Aug2025