Protein: CTR9
RNA polymerase-associated protein CTR9 homolog (SH2 domain-binding protein 1)

Gene: CTR9
Organism: Homo sapiens
Interactions: 231
UniProt ID: Q6PD62

Gene Ontology (top 5):
GO:0000122 - negative regulation of transcription by RNA polymerase II
GO:0000791 - euchromatin
GO:0000993 - RNA polymerase II complex binding
GO:0001711 - endodermal cell fate commitment
GO:0001826 - inner cell mass cell differentiation

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1240634

CDC73
Parafibromin

15

6

Small-scale

0.983

High

1243826

PAF1
RNA polymerase II-associated factor 1 homolog

12

6

Small-scale

0.981

High

1243857

SKI8
Superkiller complex protein 8

7

17

Small-scale

0.966

High

1243831

LEO1
RNA polymerase-associated protein LEO1

9

6

Small-scale

0.751

High

1124355

ELOA1
Elongin-A

4

3

Small-scale

0.694

High

1243865

DDX21
Nucleolar RNA helicase 2

1

5

High-throughput

0.691

High

372333

MYC
Myc proto-oncogene protein

4

6

Small-scale

0.672

High

1243868

MBIP1
MAP3K12-binding inhibitory protein 1

3

1

High-throughput

0.667

High

667343

RPB1
DNA-directed RNA polymerase II subunit RPB1

3

1

Small-scale

0.650

High

775155

FUS
RNA-binding protein FUS

3

11

High-throughput

0.650

High

1243837

RTF1
RNA polymerase-associated protein RTF1 homolog

3

2

Small-scale

0.650

High

1147180

ELOB
Elongin-B

3

0

High-throughput

0.638

High

130514

SPT5H
Transcription elongation factor SPT5

2

6

High-throughput

0.628

High

521755

H14
Histone H1.4

2

7

High-throughput

0.628

High

897867

CDK9
Cyclin-dependent kinase 9

2

3

High-throughput

0.628

High

251601

CCNT1
Cyclin-T1

2

5

Small-scale

0.618

High

979849

H4
Histone H4

1

4

High-throughput

0.618

High

1128031

DHX8
ATP-dependent RNA helicase DHX8

1

4

High-throughput

0.618

High

1243851

DDX23
Probable ATP-dependent RNA helicase DDX23

1

8

High-throughput

0.618

High

621670

RPB3
DNA-directed RNA polymerase II subunit RPB3

2

2

Small-scale

0.611

High

995090

CSK2B
Casein kinase II subunit beta

2

3

High-throughput

0.611

High

1147052

ELOC
Elongin-C

2

1

High-throughput

0.611

High

1243818

ZCH18
Zinc finger CCCH domain-containing protein 18

2

6

High-throughput

0.611

High

654647

TCEA1
Transcription elongation factor A protein 1

2

2

Small-scale

0.608

High

1211257

SNPC4
snRNA-activating protein complex subunit 4

2

1

High-throughput

0.601

High

1041546

KMT2A
Histone-lysine N-methyltransferase 2A

1

20

Small-scale

0.597

High

260095

BRD4
Bromodomain-containing protein 4

2

5

Small-scale

0.584

High

487444

PARP1
Poly [ADP-ribose] polymerase 1

2

9

High-throughput

0.584

High

711142

PTN6
Tyrosine-protein phosphatase non-receptor type 6

2

2

Small-scale

0.584

High

1053685

PTN11
Tyrosine-protein phosphatase non-receptor type 11

2

2

Small-scale

0.584

High

1243824

SLX4
Structure-specific endonuclease subunit SLX4

2

7

High-throughput

0.584

High

131067

TULP2
Tubby-related protein 2

2

1

High-throughput

0.574

High

355083

APBA3
Amyloid-beta A4 precursor protein-binding family A member 3

2

3

High-throughput

0.574

High

396346

ESR1
Estrogen receptor

2

20

High-throughput

0.571

High

908211

BMX
Cytoplasmic tyrosine-protein kinase BMX

2

3

High-throughput

0.571

High

596175

H12
Histone H1.2

1

7

Small-scale

0.561

High

302862

CIAO1
Probable cytosolic iron-sulfur protein assembly protein CIAO1

1

14

High-throughput

0.553

High

731403

STIP1
Stress-induced-phosphoprotein 1

1

12

High-throughput

0.553

High

1243822

DHX40
Probable ATP-dependent RNA helicase DHX40

1

4

High-throughput

0.553

High

137333

ELL2
RNA polymerase II elongation factor ELL2

1

3

High-throughput

0.536

High

474070

NFIC
Nuclear factor 1 C-type

1

12

High-throughput

0.536

High

478089

SNRPA
U1 small nuclear ribonucleoprotein A

1

10

High-throughput

0.536

High

480193

RU1C
U1 small nuclear ribonucleoprotein C

1

1

High-throughput

0.536

High

542076

TOP1
DNA topoisomerase 1

1

1

High-throughput

0.536

High

574328

RSMB
Small nuclear ribonucleoprotein-associated proteins B and B'

1

2

High-throughput

0.536

High

729958

1433B
14-3-3 protein beta/alpha

1

15

High-throughput

0.536

High

848656

MAGA9
Melanoma-associated antigen 9

1

3

High-throughput

0.536

High

872447

SOX2
Transcription factor SOX-2

1

12

High-throughput

0.536

High

909329

UB2E1
Ubiquitin-conjugating enzyme E2 E1

1

2

Small-scale

0.536

High

936600

ELL
RNA polymerase II elongation factor ELL

1

2

High-throughput

0.536

High

973951

RUXF
Small nuclear ribonucleoprotein F

1

5

High-throughput

0.536

High

1006912

KC1G2
Casein kinase I isoform gamma-2

1

2

High-throughput

0.536

High

1029700

FOXK2
Forkhead box protein K2

1

8

High-throughput

0.536

High

1065248

SSRP1
FACT complex subunit SSRP1

1

9

High-throughput

0.536

High

1144034

TEBP
Prostaglandin E synthase 3

1

1

High-throughput

0.536

High

1160173

CPSF6
Cleavage and polyadenylation specificity factor subunit 6

1

12

High-throughput

0.536

High

1162996

H2B2E
Histone H2B type 2-E

1

3

High-throughput

0.536

High

1217585

RPRD2
Regulation of nuclear pre-mRNA domain-containing protein 2

1

6

High-throughput

0.536

High

1243815

SPT6H
Transcription elongation factor SPT6

1

4

High-throughput

0.536

High

1243823

YAF2
YY1-associated factor 2

1

1

High-throughput

0.536

High

1243841

ERGI1
Endoplasmic reticulum-Golgi intermediate compartment protein 1

1

1

High-throughput

0.536

High

1243843

EFMT3
EEF1A lysine methyltransferase 3

1

6

High-throughput

0.536

High

1243844

ZFP91
E3 ubiquitin-protein ligase ZFP91

1

2

High-throughput

0.536

High

1243848

PP1RA
Serine/threonine-protein phosphatase 1 regulatory subunit 10

1

1

High-throughput

0.536

High

1243849

IWS1
Protein IWS1 homolog

1

3

High-throughput

0.536

High

1243862

CHD8
Chromodomain-helicase-DNA-binding protein 8

1

10

High-throughput

0.536

High

1243863

ANLN
Anillin

1

1

High-throughput

0.536

High

1243877

AFF4
AF4/FMR2 family member 4

1

4

High-throughput

0.536

High

1243886

NGN3
Neurogenin-3

1

4

High-throughput

0.536

High

1243887

NFS1
Cysteine desulfurase

1

1

High-throughput

0.536

High

1243866

DISC1
Disrupted in schizophrenia 1 protein

2

2

High-throughput

0.513

High

192828

RPB4
DNA-directed RNA polymerase II subunit RPB4

1

0

High-throughput

0.513

High

601734

HMGA1
High mobility group protein HMG-I/HMG-Y

1

0

High-throughput

0.513

High

832910

CETN2
Centrin-2

1

0

High-throughput

0.513

High

928697

PMS2
Mismatch repair endonuclease PMS2

1

0

High-throughput

0.513

High

958972

RPAB2
DNA-directed RNA polymerases I, II, and III subunit RPABC2

1

0

High-throughput

0.513

High

976105

RPB7
DNA-directed RNA polymerase II subunit RPB7

1

0

High-throughput

0.513

High

1005743

RPP38
Ribonuclease P protein subunit p38

1

0

High-throughput

0.513

High

1185257

F161A
Protein FAM161A

1

0

High-throughput

0.513

High

1204364

SGO1
Shugoshin 1

1

0

High-throughput

0.513

High

1233737

CNDH2
Condensin-2 complex subunit H2

1

0

High-throughput

0.513

High

1243821

SUGP1
SURP and G-patch domain-containing protein 1

1

0

High-throughput

0.513

High

1243830

HASP
Serine/threonine-protein kinase haspin

1

0

High-throughput

0.513

High

1243836

DGCR8
Microprocessor complex subunit DGCR8

1

0

High-throughput

0.513

High

1243850

SIN1
Target of rapamycin complex 2 subunit MAPKAP1

1

0

High-throughput

0.513

High

1243860

BEX1
Protein BEX1

1

0

High-throughput

0.513

High

1243871

GAR1
H/ACA ribonucleoprotein complex subunit 1

1

0

High-throughput

0.513

High

181900

SMAD9
Mothers against decapentaplegic homolog 9

1

3

High-throughput

0.508

High

1243820

SIAH1
E3 ubiquitin-protein ligase SIAH1

1

3

Small-scale

0.504

High

964334

SUMO2
Small ubiquitin-related modifier 2

1

4

High-throughput

0.501

High

297001

CCNK
Cyclin-K

1

1

Small-scale

0.500

High

943588

HUNK
Hormonally up-regulated neu tumor-associated kinase

1

3

High-throughput

0.494

High

64879

RCCD1
RCC1 domain-containing protein 1

1

4

High-throughput

0.489

High

74521

HNRC2
Heterogeneous nuclear ribonucleoprotein C-like 2

1

4

High-throughput

0.489

High

216092

IF4G3
Eukaryotic translation initiation factor 4 gamma 3

1

7

High-throughput

0.489

High

318493

TOX4
TOX high mobility group box family member 4

1

9

High-throughput

0.489

High

389425

FINC
Fibronectin

1

1

High-throughput

0.489

High

760942

GLYM
Serine hydroxymethyltransferase, mitochondrial

1

2

High-throughput

0.489

High

848037

AL3B1
Aldehyde dehydrogenase family 3 member B1

1

3

High-throughput

0.489

High

1176995

INF2
Inverted formin-2

1

2

High-throughput

0.489

High

1200978

ACTBL
Beta-actin-like protein 2

1

4

High-throughput

0.489

High

1211880

FKB15
FK506-binding protein 15

1

7

High-throughput

0.489

High

1243811

LYZL1
Lysozyme-like protein 1

1

3

High-throughput

0.489

High

1243814

FGD6
FYVE, RhoGEF and PH domain-containing protein 6

1

2

High-throughput

0.489

High

1243817

PXK
PX domain-containing protein kinase-like protein

1

1

High-throughput

0.489

High

1243827

SYT2
Synaptotagmin-2

1

1

High-throughput

0.489

High

1243838

TM131
Transmembrane protein 131

1

9

High-throughput

0.489

High

1243842

TRI52
E3 ubiquitin-protein ligase TRIM52

1

3

High-throughput

0.489

High

1243852

KLF16
Krueppel-like factor 16

1

8

High-throughput

0.489

High

1243854

NDEL1
Nuclear distribution protein nudE-like 1

1

4

High-throughput

0.489

High

1243858

TAOK3
Serine/threonine-protein kinase TAO3

1

7

High-throughput

0.489

High

1243861

AGO4
Protein argonaute-4

1

1

High-throughput

0.489

High

1057462

SOX4
Transcription factor SOX-4

1

12

Small-scale

0.481

High

172960

XPO1
Exportin-1

1

6

High-throughput

0.479

High

190963

RPA34
DNA-directed RNA polymerase I subunit RPA34

1

3

High-throughput

0.479

High

242032

PRKN
E3 ubiquitin-protein ligase parkin

1

8

High-throughput

0.479

High

247967

NUPR1
Nuclear protein 1

1

1

High-throughput

0.479

High

274631

DNJB6
DnaJ homolog subfamily B member 6

1

6

High-throughput

0.479

High

298398

DNJC8
DnaJ homolog subfamily C member 8

1

7

High-throughput

0.479

High

302557

RNF8
E3 ubiquitin-protein ligase RNF8

1

5

Small-scale

0.479

High

334301

TACC2
Transforming acidic coiled-coil-containing protein 2

1

4

High-throughput

0.479

High

385861

LMNA
Prelamin-A/C [Cleaved into: Lamin-A/C

1

5

High-throughput

0.479

High

414045

P53
Cellular tumor antigen p53

1

5

High-throughput

0.479

High

520141

ANDR
Androgen receptor

1

20

High-throughput

0.479

High

588954

RFA2
Replication protein A 32 kDa subunit

1

5

High-throughput

0.479

High

606860

CEBPB
CCAAT/enhancer-binding protein beta

1

6

High-throughput

0.479

High

625447

CSK22
Casein kinase II subunit alpha'

1

7

High-throughput

0.479

High

695740

RFA1
Replication protein A 70 kDa DNA-binding subunit

1

6

High-throughput

0.479

High

700666

PSA5
Proteasome subunit alpha type-5

1

1

Small-scale

0.479

High

722996

RPB2
DNA-directed RNA polymerase II subunit RPB2

1

2

High-throughput

0.479

High

768461

RFA3
Replication protein A 14 kDa subunit

1

4

High-throughput

0.479

High

799941

COIL
Coilin

1

2

High-throughput

0.479

High

879200

NR2C2
Nuclear receptor subfamily 2 group C member 2

1

5

High-throughput

0.479

High

881549

CDK8
Cyclin-dependent kinase 8

1

3

High-throughput

0.479

High

886966

CEBPA
CCAAT/enhancer-binding protein alpha

1

6

High-throughput

0.479

High

897314

CDK7
Cyclin-dependent kinase 7

1

1

High-throughput

0.479

High

997797

CSK21
Casein kinase II subunit alpha

1

9

High-throughput

0.479

High

998453

H31
Histone H3.1

1

7

Small-scale

0.479

High

1037218

H11
Histone H1.1

1

7

Small-scale

0.479

High

1042881

ERCC6
DNA excision repair protein ERCC-6

1

12

Small-scale

0.479

High

1045413

TF65
Transcription factor p65

1

6

High-throughput

0.479

High

1067441

EP300
Histone acetyltransferase p300

1

8

High-throughput

0.479

High

1088403

CHD3
Chromodomain-helicase-DNA-binding protein 3

1

7

High-throughput

0.479

High

1106963

BIRC3
Baculoviral IAP repeat-containing protein 3

1

4

High-throughput

0.479

High

1120673

VEZF1
Vascular endothelial zinc finger 1

1

5

High-throughput

0.479

High

1131671

2A5D
Serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit delta isoform

1

3

High-throughput

0.479

High

1132768

CHD4
Chromodomain-helicase-DNA-binding protein 4

1

7

High-throughput

0.479

High

1138325

U5S1
116 kDa U5 small nuclear ribonucleoprotein component

1

4

High-throughput

0.479

High

1139740

SETB1
Histone-lysine N-methyltransferase SETDB1

1

11

Small-scale

0.479

High

1194157

LARP7
La-related protein 7

1

9

High-throughput

0.479

High

1243825

SIR6
NAD-dependent protein deacylase sirtuin-6

1

3

High-throughput

0.479

High

1243828

CSK23
Casein kinase II subunit alpha 3

1

7

High-throughput

0.479

High

1243832

PRP31
U4/U6 small nuclear ribonucleoprotein Prp31

1

6

High-throughput

0.479

High

1243833

DNJC9
DnaJ homolog subfamily C member 9

1

10

High-throughput

0.479

High

1243835

ING5
Inhibitor of growth protein 5

1

2

High-throughput

0.479

High

1243839

ESR2
Estrogen receptor beta

1

20

High-throughput

0.479

High

1243840

KAT6A
Histone acetyltransferase KAT6A

1

17

High-throughput

0.479

High

1243845

EHMT2
Histone-lysine N-methyltransferase EHMT2

1

1

Small-scale

0.479

High

1243856

RPA49
DNA-directed RNA polymerase I subunit RPA49

1

2

High-throughput

0.479

High

1243869

RAD18
E3 ubiquitin-protein ligase RAD18

1

1

High-throughput

0.479

High

1243870

DJC17
DnaJ homolog subfamily C member 17

1

14

High-throughput

0.479

High

1243872

TLS1
Splicing factor C9orf78

1

2

High-throughput

0.479

High

1243875

DNM3B
DNA

1

1

Small-scale

0.479

High

1243876

ZRAN1
Ubiquitin thioesterase ZRANB1

1

5

High-throughput

0.479

High

1243880

AGO2
Protein argonaute-2

1

1

Small-scale

0.479

High

1243881

FZR1
Fizzy-related protein homolog

1

11

High-throughput

0.479

High

1243885

ZN330
Zinc finger protein 330

1

1

High-throughput

0.479

High

1243888

DNM3A
DNA

1

1

Small-scale

0.479

High

1243878

CNTP2
Contactin-associated protein-like 2

1

2

Small-scale

0.464

High

214442

RIPK2
Receptor-interacting serine/threonine-protein kinase 2

1

0

High-throughput

0.458

High

827821

STAT3
Signal transducer and activator of transcription 3

1

0

Small-scale

0.458

High

907472

UBP11
Ubiquitin carboxyl-terminal hydrolase 11

1

0

High-throughput

0.458

High

948509

ELOF1
Transcription elongation factor 1 homolog

1

0

Small-scale

0.458

High

1039521

TOP2B
DNA topoisomerase 2-beta

1

0

High-throughput

0.458

High

1235446

IFIX
Pyrin and HIN domain-containing protein 1

1

0

High-throughput

0.458

High

91547

C9J2Y9
DNA-directed RNA polymerase subunit beta

1

2

High-throughput

0.445

High

96823

E9PBC6
Transforming acidic coiled-coil containing protein 2

1

9

High-throughput

0.445

High

117133

J3QSH4
Vascular endothelial zinc finger 1

1

4

High-throughput

0.445

High

316402

RMP
Unconventional prefoldin RPB5 interactor 1

1

2

Small-scale

0.445

High

584109

FOSL2
Fos-related antigen 2

1

4

High-throughput

0.445

High

884354

UBE2A
Ubiquitin-conjugating enzyme E2 A

1

3

Small-scale

0.445

High

990972

UBE2B
Ubiquitin-conjugating enzyme E2 B

1

3

Small-scale

0.445

High

1056796

FMR1
Fragile X messenger ribonucleoprotein 1

1

2

High-throughput

0.445

High

1243819

SKAP1
Src kinase-associated phosphoprotein 1

1

16

High-throughput

0.445

High

1243867

DUS22
Dual specificity protein phosphatase 22

1

4

High-throughput

0.445

High

157515

CTRO
Citron Rho-interacting kinase

1

1

High-throughput

0.437

High

387979

FIBG
Fibrinogen gamma chain

1

1

Small-scale

0.437

High

408940

G3P
Glyceraldehyde-3-phosphate dehydrogenase

1

2

Small-scale

0.437

High

412112

NTRK1
High affinity nerve growth factor receptor

1

9

High-throughput

0.437

High

436906

K1C18
Keratin, type I cytoskeletal 18

1

2

High-throughput

0.437

High

636101

CD11B
Cyclin-dependent kinase 11B

1

3

High-throughput

0.437

High

970669

UBE2H
Ubiquitin-conjugating enzyme E2 H

1

5

High-throughput

0.437

High

975758

RL7A
Large ribosomal subunit protein eL8

1

1

High-throughput

0.437

High

1094199

ACACA
Acetyl-CoA carboxylase 1

1

2

High-throughput

0.437

High

1136236

EMC2
ER membrane protein complex subunit 2

1

7

High-throughput

0.437

High

1243813

TRI67
Tripartite motif-containing protein 67

1

10

High-throughput

0.437

High

1243816

PARPT
Protein mono-ADP-ribosyltransferase TIPARP

1

5

High-throughput

0.437

High

1243829

NEK9
Serine/threonine-protein kinase Nek9

1

7

High-throughput

0.437

High

1243846

CI072
Guanine nucleotide exchange factor C9orf72

1

2

High-throughput

0.437

High

1243855

MLP3B
Microtubule-associated protein 1 light chain 3 beta

1

3

High-throughput

0.437

High

1243859

PKHA4
Pleckstrin homology domain-containing family A member 4

1

14

High-throughput

0.437

High

1243874

HECW2
E3 ubiquitin-protein ligase HECW2

1

6

High-throughput

0.437

High

1243879

XPO7
Exportin-7

1

5

High-throughput

0.437

High

1243882

RHG26
Rho GTPase-activating protein 26

1

2

High-throughput

0.437

High

1243883

CD11A
Cyclin-dependent kinase 11A

1

3

High-throughput

0.437

High

1243884

TRPC6
Short transient receptor potential channel 6

1

1

High-throughput

0.437

High

1005800

RPP30
Ribonuclease P protein subunit p30

1

0

High-throughput

0.426

High

95780

E5RHG8
Elongin-C

1

1

High-throughput

0.407

High

96913

E9PEN0
Inhibitor of growth family member 5

1

1

High-throughput

0.407

High

96932

E9PFR3
Serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit

1

3

High-throughput

0.407

High

379262

IGHG1
Immunoglobulin heavy constant gamma 1

1

3

High-throughput

0.407

High

379533

IGHM
Immunoglobulin heavy constant mu

1

4

High-throughput

0.407

High

379663

IGHA1
Immunoglobulin heavy constant alpha 1

1

3

High-throughput

0.407

High

516847

RPAC2
DNA-directed RNA polymerases I and III subunit RPAC2

1

1

High-throughput

0.407

High

1155067

UT2
Urea transporter 2

1

1

High-throughput

0.407

High

1243873

VSX1
Visual system homeobox 1

1

6

High-throughput

0.407

High

1243834

MYLIP
E3 ubiquitin-protein ligase MYLIP

2

0

High-throughput

0.328

High

217270

ARK72
Aflatoxin B1 aldehyde reductase member 2

1

0

High-throughput

0.279

Low

270651

ATP9A
Probable phospholipid-transporting ATPase IIA

1

0

High-throughput

0.279

Low

326256

PRS23
Serine protease 23

1

0

High-throughput

0.279

Low

542782

G6PD
Glucose-6-phosphate 1-dehydrogenase

1

0

High-throughput

0.279

Low

669135

ARBK1
Beta-adrenergic receptor kinase 1

1

0

High-throughput

0.279

Low

884126

SRP09
Signal recognition particle 9 kDa protein

1

0

High-throughput

0.279

Low

1016342

SERF2
Small EDRK-rich factor 2

1

0

High-throughput

0.279

Low

1206642

TJAP1
Tight junction-associated protein 1

1

0

High-throughput

0.279

Low

1243810

LYPD4
Ly6/PLAUR domain-containing protein 4

1

0

High-throughput

0.279

Low

1243847

TEAN2
Transcription elongation factor A N-terminal and central domain-containing protein 2

1

0

High-throughput

0.279

Low

1243853

ANO3
Anoctamin-3

1

0

High-throughput

0.279

Low

1243864

ACSA
Acetyl-coenzyme A synthetase, cytoplasmic

1

0

High-throughput

0.279

Low

1194075

MINY4
Probable ubiquitin carboxyl-terminal hydrolase MINDY-4

1

0

Small-scale

0.249

Low

1243812

BAKOR
Beclin 1-associated autophagy-related key regulator

1

0

High-throughput

0.249

Low


Service provided by Combinatics, Japan

Last updated: 11Aug2025