Protein: CTDP1
RNA polymerase II subunit A C-terminal domain phosphatase (EC 3.1.3.16) (TFIIF-associating CTD phosphatase)

Gene: CTDP1
Organism: Homo sapiens
Interactions: 188
UniProt ID: Q9Y5B0

Gene Ontology (top 5):
GO:0000922 - spindle pole
GO:0001096 - TFIIF-class transcription factor complex binding
GO:0004721 - phosphoprotein phosphatase activity
GO:0005634 - nucleus
GO:0005654 - nucleoplasm

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

770440

T2FA
General transcription factor IIF subunit 1

3

4

Small-scale

0.882

High

667524

RPB1
DNA-directed RNA polymerase II subunit RPB1

6

7

Small-scale

0.738

High

976183

RPB7
DNA-directed RNA polymerase II subunit RPB7

5

1

High-throughput

0.722

High

1086390

AKP13
A-kinase anchor protein 13

1

3

High-throughput

0.691

High

1419876

UACA
Uveal autoantigen with coiled-coil domains and ankyrin repeats

1

3

High-throughput

0.691

High

1447107

RPR1B
Regulation of nuclear pre-mRNA domain-containing protein 1B

4

2

High-throughput

0.691

High

912264

RPB11
DNA-directed RNA polymerase II subunit RPB11-a

4

1

Small-scale

0.683

High

621806

RPB3
DNA-directed RNA polymerase II subunit RPB3

3

3

Small-scale

0.667

High

898040

CDK9
Cyclin-dependent kinase 9

3

2

Small-scale

0.655

High

723153

RPB2
DNA-directed RNA polymerase II subunit RPB2

2

4

Small-scale

0.639

High

959101

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

2

1

High-throughput

0.628

High

239638

MED14
Mediator of RNA polymerase II transcription subunit 14

2

3

Small-scale

0.619

High

881636

CDK8
Cyclin-dependent kinase 8

2

3

Small-scale

0.619

High

243408

PRKN
E3 ubiquitin-protein ligase parkin

1

1

High-throughput

0.618

High

1436588

ECT2
Protein ECT2

1

3

High-throughput

0.618

High

1323863

INT1
Integrator complex subunit 1

2

0

Small-scale

0.592

High

1410419

MEP50
Methylosome protein WDR77

2

2

Small-scale

0.584

High

1450567

FANCI
Fanconi anemia group I protein

1

1

High-throughput

0.565

High

173769

BTAF1
TATA-binding protein-associated factor 172

1

1

High-throughput

0.536

High

192887

RPB4
DNA-directed RNA polymerase II subunit RPB4

1

3

High-throughput

0.536

High

221012

XPOT
Exportin-T

1

1

High-throughput

0.536

High

245563

OPA1
Dynamin-like GTPase OPA1, mitochondrial

1

2

High-throughput

0.536

High

245757

GANP
Germinal-center associated nuclear protein

1

1

High-throughput

0.536

High

252495

DIAP1
Protein diaphanous homolog 1

1

2

High-throughput

0.536

High

258573

DIAP2
Protein diaphanous homolog 2

1

3

High-throughput

0.536

High

262582

MCE1
mRNA-capping enzyme

1

3

High-throughput

0.536

High

1383905

EFMT3
EEF1A lysine methyltransferase 3

1

2

High-throughput

0.536

High

276357

HMMR
Hyaluronan mediated motility receptor

1

4

High-throughput

0.536

High

326120

UBR5
E3 ubiquitin-protein ligase UBR5

1

4

High-throughput

0.536

High

326991

UBE4B
Ubiquitin conjugation factor E4 B

1

1

High-throughput

0.536

High

521467

ARAF
Serine/threonine-protein kinase A-Raf

1

4

High-throughput

0.536

High

567122

P4HA1
Prolyl 4-hydroxylase subunit alpha-1

1

1

High-throughput

0.536

High

578322

ETS2
Protein C-ets-2

1

1

High-throughput

0.536

High

622019

RPAB1
DNA-directed RNA polymerases I, II, and III subunit RPABC1

1

1

High-throughput

0.536

High

637988

NF1
Neurofibromin

1

1

High-throughput

0.536

High

769811

RFC4
Replication factor C subunit 4

1

2

High-throughput

0.536

High

787817

RPB9
DNA-directed RNA polymerase II subunit RPB9

1

2

High-throughput

0.536

High

829178

RFC5
Replication factor C subunit 5

1

2

High-throughput

0.536

High

829293

RFC3
Replication factor C subunit 3

1

2

High-throughput

0.536

High

849052

PTN9
Tyrosine-protein phosphatase non-receptor type 9

1

1

High-throughput

0.536

High

875846

PRC2A
Protein PRRC2A

1

5

High-throughput

0.536

High

912162

RPAB3
DNA-directed RNA polymerases I, II, and III subunit RPABC3

1

1

High-throughput

0.536

High

923573

RPAB4
DNA-directed RNA polymerases I, II, and III subunit RPABC4

1

1

High-throughput

0.536

High

983737

RPAB5
DNA-directed RNA polymerases I, II, and III subunit RPABC5

1

1

High-throughput

0.536

High

1040003

AKA12
A-kinase anchor protein 12

1

2

High-throughput

0.536

High

1067879

EP300
Histone acetyltransferase p300

1

5

High-throughput

0.536

High

1090210

PTN13
Tyrosine-protein phosphatase non-receptor type 13

1

6

High-throughput

0.536

High

1095610

LIPA1
Liprin-alpha-1

1

1

High-throughput

0.536

High

1099833

MD2L1
Mitotic spindle assembly checkpoint protein MAD2A

1

1

High-throughput

0.536

High

1102304

ATM
Serine-protein kinase ATM

1

3

High-throughput

0.536

High

1117348

SHRM2
Protein Shroom2

1

1

High-throughput

0.536

High

1197143

AMOT
Angiomotin

1

3

High-throughput

0.536

High

1239761

PPR18
Phostensin

1

1

High-throughput

0.536

High

1242332

SFXN4
Sideroflexin-4

1

1

High-throughput

0.536

High

1273876

MICA3
[F-actin]-monooxygenase MICAL3

1

3

High-throughput

0.536

High

1357899

CTF18
Chromosome transmission fidelity protein 18 homolog

1

2

High-throughput

0.536

High

1386811

GCP3
Gamma-tubulin complex component 3

1

1

High-throughput

0.536

High

1389948

DNJA3
DnaJ homolog subfamily A member 3, mitochondrial

1

2

High-throughput

0.536

High

1403001

IWS1
Protein IWS1 homolog

1

1

High-throughput

0.536

High

1406250

CHP1
Calcineurin B homologous protein 1

1

1

High-throughput

0.536

High

1412562

GCP2
Gamma-tubulin complex component 2

1

1

High-throughput

0.536

High

1413750

TBCD
Tubulin-specific chaperone D

1

1

High-throughput

0.536

High

1419612

NUF2
Kinetochore protein Nuf2

1

3

High-throughput

0.536

High

1436155

ACAD9
Complex I assembly factor ACAD9, mitochondrial

1

1

High-throughput

0.536

High

1439315

E41L5
Band 4.1-like protein 5

1

1

High-throughput

0.536

High

1449722

MDN1
Midasin

1

4

High-throughput

0.536

High

1462300

MAGD2
Melanoma-associated antigen D2

1

2

High-throughput

0.536

High

1491357

TRRAP
Transformation/transcription domain-associated protein

1

3

High-throughput

0.536

High

1491514

FHOD1
FH1/FH2 domain-containing protein 1

1

3

High-throughput

0.536

High

1491516

BIG2
Brefeldin A-inhibited guanine nucleotide-exchange protein 2

1

4

High-throughput

0.536

High

1491517

BIG1
Brefeldin A-inhibited guanine nucleotide-exchange protein 1

1

4

High-throughput

0.536

High

162747

ANM5
Protein arginine N-methyltransferase 5

1

2

Small-scale

0.534

High

1015345

ERH
Enhancer of rudimentary homolog

1

1

Small-scale

0.515

High

1144336

STK38
Serine/threonine-protein kinase 38

1

4

Small-scale

0.515

High

49046

MED19
Mediator of RNA polymerase II transcription subunit 19

1

0

High-throughput

0.513

High

177626

MRPP3
Mitochondrial ribonuclease P catalytic subunit

1

0

High-throughput

0.513

High

187580

FANCA
Fanconi anemia group A protein

1

0

High-throughput

0.513

High

281270

CDC45
Cell division control protein 45 homolog

1

0

High-throughput

0.513

High

633355

MSH3
DNA mismatch repair protein Msh3

1

0

High-throughput

0.513

High

722767

AL1B1
Aldehyde dehydrogenase X, mitochondrial

1

0

High-throughput

0.513

High

841286

CNDD3
Condensin-2 complex subunit D3

1

0

High-throughput

0.513

High

844138

HD
Huntingtin

1

0

High-throughput

0.513

High

890915

TSC2
Tuberin

1

0

High-throughput

0.513

High

961237

FGF12
Fibroblast growth factor 12

1

0

High-throughput

0.513

High

1103863

TARB1
tRNA

1

0

High-throughput

0.513

High

1151113

PCH2
Pachytene checkpoint protein 2 homolog

1

0

High-throughput

0.513

High

1224795

RN213
E3 ubiquitin-protein ligase RNF213

1

0

High-throughput

0.513

High

1293755

CNDG2
Condensin-2 complex subunit G2

1

0

High-throughput

0.513

High

1381371

NCLN
BOS complex subunit NCLN

1

0

High-throughput

0.513

High

1394538

PAWR
PRKC apoptosis WT1 regulator protein

1

0

High-throughput

0.513

High

1420274

UBXN6
UBX domain-containing protein 6

1

0

High-throughput

0.513

High

1433054

DSN1
Kinetochore-associated protein DSN1 homolog

1

0

High-throughput

0.513

High

1451148

MED9
Mediator of RNA polymerase II transcription subunit 9

1

0

High-throughput

0.513

High

1453735

MED11
Mediator of RNA polymerase II transcription subunit 11

1

0

High-throughput

0.513

High

1491138

SF3B6
Splicing factor 3B subunit 6

1

0

High-throughput

0.513

High

1491183

MED31
Mediator of RNA polymerase II transcription subunit 31

1

0

High-throughput

0.513

High

1491311

SAMH1
Deoxynucleoside triphosphate triphosphohydrolase SAMHD1

1

0

High-throughput

0.513

High

1491452

TELO2
Telomere length regulation protein TEL2 homolog

1

0

High-throughput

0.513

High

1491513

NUBP2
Cytosolic Fe-S cluster assembly factor NUBP2

1

0

High-throughput

0.513

High

287833

MED6
Mediator of RNA polymerase II transcription subunit 6

1

1

Small-scale

0.501

High

654687

TCEA1
Transcription elongation factor A protein 1

1

1

Small-scale

0.501

High

728501

AKT1
RAC-alpha serine/threonine-protein kinase

1

4

Small-scale

0.501

High

897439

CDK7
Cyclin-dependent kinase 7

1

2

Small-scale

0.501

High

1008418

PRKDC
DNA-dependent protein kinase catalytic subunit

1

3

Small-scale

0.501

High

1151317

MED1
Mediator of RNA polymerase II transcription subunit 1

1

1

Small-scale

0.501

High

1233276

ELP2
Elongator complex protein 2

1

1

Small-scale

0.501

High

1371807

UBP7
Ubiquitin carboxyl-terminal hydrolase 7

1

1

High-throughput

0.501

High

1401581

MED15
Mediator of RNA polymerase II transcription subunit 15

1

3

Small-scale

0.501

High

1461343

INT6
Integrator complex subunit 6

1

2

Small-scale

0.501

High

48851

ESYT2
Extended synaptotagmin-2

1

2

High-throughput

0.489

High

221696

TIM44
Mitochondrial import inner membrane translocase subunit TIM44

1

1

High-throughput

0.489

High

269076

ABCB7
Iron-sulfur clusters transporter ABCB7, mitochondrial

1

3

High-throughput

0.489

High

280380

SC22B
Vesicle-trafficking protein SEC22b

1

1

High-throughput

0.489

High

389636

AMBP
Protein AMBP

1

1

High-throughput

0.489

High

749649

ACSL1
Long-chain-fatty-acid--CoA ligase 1

1

1

High-throughput

0.489

High

753855

MRP1
Multidrug resistance-associated protein 1

1

1

High-throughput

0.489

High

1129059

ITPR1
Inositol 1,4,5-trisphosphate-gated calcium channel ITPR1

1

3

High-throughput

0.489

High

1216543

BIG3
Brefeldin A-inhibited guanine nucleotide-exchange protein 3

1

4

High-throughput

0.489

High

1230771

HEAT6
HEAT repeat-containing protein 6

1

1

High-throughput

0.489

High

1247064

RICTR
Rapamycin-insensitive companion of mTOR

1

1

High-throughput

0.489

High

1256444

CRACD
Capping protein-inhibiting regulator of actin dynamics

1

4

High-throughput

0.489

High

1286569

PHLB2
Pleckstrin homology-like domain family B member 2

1

3

High-throughput

0.489

High

1314118

AMOL1
Angiomotin-like protein 1

1

5

High-throughput

0.489

High

1331385

ENAH
Protein enabled homolog

1

2

High-throughput

0.489

High

1338497

PCAT1
Lysophosphatidylcholine acyltransferase 1

1

3

High-throughput

0.489

High

1341356

COQ8A
Atypical kinase COQ8A, mitochondrial

1

1

High-throughput

0.489

High

1363911

GBF1
Golgi-specific brefeldin A-resistance guanine nucleotide exchange factor 1

1

3

High-throughput

0.489

High

1436772

GHC1
Mitochondrial glutamate carrier 1

1

4

High-throughput

0.489

High

1452055

FXL12
F-box/LRR-repeat protein 12

1

1

High-throughput

0.489

High

1454206

NHSL3
NHS-like protein 3

1

3

High-throughput

0.489

High

1458361

COPG2
Coatomer subunit gamma-2

1

1

High-throughput

0.489

High

1491515

COPG1
Coatomer subunit gamma-1

1

1

High-throughput

0.489

High

219532

MED7
Mediator of RNA polymerase II transcription subunit 7

1

0

Small-scale

0.480

High

282435

MED24
Mediator of RNA polymerase II transcription subunit 24

1

0

Small-scale

0.480

High

336046

MED26
Mediator of RNA polymerase II transcription subunit 26

1

0

Small-scale

0.480

High

1163953

UPP1
Uridine phosphorylase 1

1

0

Small-scale

0.480

High

1229215

INT3
Integrator complex subunit 3

1

0

Small-scale

0.480

High

1259299

MED25
Mediator of RNA polymerase II transcription subunit 25

1

0

Small-scale

0.480

High

1260330

INT8
Integrator complex subunit 8

1

0

Small-scale

0.480

High

1391348

MED8
Mediator of RNA polymerase II transcription subunit 8

1

0

Small-scale

0.480

High

1437283

ELP3
Elongator complex protein 3

1

0

Small-scale

0.480

High

1446569

MED4
Mediator of RNA polymerase II transcription subunit 4

1

0

Small-scale

0.480

High

1450401

MED17
Mediator of RNA polymerase II transcription subunit 17

1

0

Small-scale

0.480

High

1450533

INT7
Integrator complex subunit 7

1

0

Small-scale

0.480

High

1461620

MED23
Mediator of RNA polymerase II transcription subunit 23

1

0

Small-scale

0.480

High

1490978

MED16
Mediator of RNA polymerase II transcription subunit 16

1

0

Small-scale

0.480

High

132405

WWP2
NEDD4-like E3 ubiquitin-protein ligase WWP2

1

3

High-throughput

0.479

High

223452

PRC1
Protein regulator of cytokinesis 1

1

2

High-throughput

0.479

High

331447

KI20A
Kinesin-like protein KIF20A

1

2

High-throughput

0.479

High

481422

HMGB1
High mobility group protein B1

1

3

Small-scale

0.479

High

569154

T2FB
General transcription factor IIF subunit 2

1

1

High-throughput

0.479

High

625730

CSK22
Casein kinase II subunit alpha'

1

6

Small-scale

0.479

High

696977

RFA1
Replication protein A 70 kDa DNA-binding subunit

1

2

High-throughput

0.479

High

762074

GRK5
G protein-coupled receptor kinase 5

1

4

High-throughput

0.479

High

769619

RFA3
Replication protein A 14 kDa subunit

1

1

High-throughput

0.479

High

968057

PP1A
Serine/threonine-protein phosphatase PP1-alpha catalytic subunit

1

1

Small-scale

0.479

High

994433

PP2AA
Serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform

1

1

Small-scale

0.479

High

995365

CSK2B
Casein kinase II subunit beta

1

1

Small-scale

0.479

High

998133

CSK21
Casein kinase II subunit alpha

1

5

Small-scale

0.479

High

1025157

TF2B
Transcription initiation factor IIB

1

2

High-throughput

0.479

High

1141111

KIF14
Kinesin-like protein KIF14

1

1

High-throughput

0.479

High

1256265

TRI67
Tripartite motif-containing protein 67

1

1

High-throughput

0.479

High

1385936

CHM4C
Charged multivesicular body protein 4c

1

3

High-throughput

0.479

High

1391888

AURKB
Aurora kinase B

1

5

High-throughput

0.479

High

1433148

CHM4B
Charged multivesicular body protein 4b

1

3

High-throughput

0.479

High

1434343

PKHA4
Pleckstrin homology domain-containing family A member 4

1

5

High-throughput

0.479

High

1447504

ANLN
Anillin

1

1

High-throughput

0.479

High

1439242

CHD8
Chromodomain-helicase-DNA-binding protein 8

1

0

Small-scale

0.458

High

158035

CTRO
Citron Rho-interacting kinase

1

4

High-throughput

0.437

High

506042

GRL1A
DNA-directed RNA polymerase II subunit GRINL1A

1

0

High-throughput

0.426

High

841094

HELZ
Probable helicase with zinc finger domain

1

0

High-throughput

0.426

High

516140

CT456
Cancer/testis antigen family 45 member A6

1

2

High-throughput

0.407

High

317954

LTN1
E3 ubiquitin-protein ligase listerin

2

0

High-throughput

0.328

High

162293

CDIPT
CDP-diacylglycerol--inositol 3-phosphatidyltransferase

1

0

High-throughput

0.279

Low

184945

SPTC1
Serine palmitoyltransferase 1

1

0

High-throughput

0.279

Low

289061

ERAL1
GTPase Era, mitochondrial

1

0

High-throughput

0.279

Low

1237854

RADX
RPA-related protein RADX

1

0

High-throughput

0.279

Low

1239353

ARMC6
Armadillo repeat-containing protein 6

1

0

High-throughput

0.279

Low

1242111

TTC27
Tetratricopeptide repeat protein 27

1

0

High-throughput

0.279

Low

1313237

PLPL6
Patatin-like phospholipase domain-containing protein 6

1

0

High-throughput

0.279

Low

1323381

VPS52
Vacuolar protein sorting-associated protein 52 homolog

1

0

High-throughput

0.279

Low

1331885

SYT2
Synaptotagmin-2

1

0

High-throughput

0.279

Low

1358768

FACR1
Fatty acyl-CoA reductase 1

1

0

High-throughput

0.279

Low

1394138

SUCB2
Succinate--CoA ligase [GDP-forming] subunit beta, mitochondrial

1

0

High-throughput

0.279

Low

1396227

EXOC2
Exocyst complex component 2

1

0

High-throughput

0.279

Low

1403758

YMEL1
ATP-dependent zinc metalloprotease YME1L1

1

0

High-throughput

0.279

Low

1232047

GL1AD
DNA-directed RNA polymerase II subunit GRINL1A, isoforms 4/5

1

0

High-throughput

0.249

Low

380207

HLAB
HLA class I histocompatibility antigen, B alpha chain

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025