Protein: CTNA3
Catenin alpha-3 (Alpha T-catenin) (Cadherin-associated protein)

Gene: CTNA3, CTNNA3
Organism: Homo sapiens
Interactions: 129
UniProt ID: Q9UI47

Gene Ontology (top 5):
GO:0005737 - cytoplasm
GO:0005856 - cytoskeleton
GO:0005912 - adherens junction
GO:0005916 - fascia adherens
GO:0008013 - beta-catenin binding

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1460236

CTNA3
Catenin alpha-3

2

12

Small-scale

0.743

High

765094

CTNB1
Catenin beta-1

5

13

Small-scale

0.718

High

577920

PLAK
Junction plakoglobin

4

16

Small-scale

0.682

High

1431875

GO45
Golgin-45

4

0

High-throughput

0.669

High

125911

ARVC
Splicing regulator ARVCF

2

20

High-throughput

0.628

High

254240

CTND1
Catenin delta-1

2

20

High-throughput

0.628

High

288038

MYCB2
E3 ubiquitin-protein ligase MYCBP2

2

2

High-throughput

0.628

High

556405

CADH1
Cadherin-1

2

20

High-throughput

0.628

High

618294

CADH2
Cadherin-2

2

20

High-throughput

0.628

High

646710

CADH3
Cadherin-3

2

20

High-throughput

0.628

High

668745

APC
Adenomatous polyposis coli protein

2

2

High-throughput

0.628

High

930815

AAPK2
5'-AMP-activated protein kinase catalytic subunit alpha-2

2

1

High-throughput

0.628

High

937523

CADH4
Cadherin-4

2

20

High-throughput

0.628

High

937574

CAD12
Cadherin-12

2

20

High-throughput

0.628

High

1288710

CAD24
Cadherin-24

2

20

High-throughput

0.628

High

1405314

PKP4
Plakophilin-4

2

20

High-throughput

0.628

High

1449290

CNBP1
Beta-catenin-interacting protein 1

2

2

High-throughput

0.628

High

1460242

CAD10
Cadherin-10

2

20

High-throughput

0.628

High

764464

CTNA1
Catenin alpha-1

1

12

Small-scale

0.618

High

287739

KS6A5
Ribosomal protein S6 kinase alpha-5

2

1

High-throughput

0.606

High

983610

GBB1
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

2

1

High-throughput

0.606

High

1049046

REL
Proto-oncogene c-Rel

2

1

High-throughput

0.606

High

1133192

LASP1
LIM and SH3 domain protein 1

2

9

High-throughput

0.606

High

1291408

TRXR3
Thioredoxin reductase 3

2

2

High-throughput

0.606

High

1336495

PNMA1
Paraneoplastic antigen Ma1

2

2

High-throughput

0.606

High

1371938

STMN2
Stathmin-2

2

1

High-throughput

0.606

High

1415935

KATL1
Katanin p60 ATPase-containing subunit A-like 1

2

4

High-throughput

0.606

High

1419253

TRI54
Tripartite motif-containing protein 54

2

5

High-throughput

0.606

High

1206633

AMER1
APC membrane recruitment protein 1

2

0

High-throughput

0.602

High

685379

PAX6
Paired box protein Pax-6

2

0

High-throughput

0.580

High

1121173

SRTD2
SERTA domain-containing protein 2

2

0

High-throughput

0.580

High

1410341

ECSIT
Evolutionarily conserved signaling intermediate in Toll pathway, mitochondrial

2

0

High-throughput

0.580

High

1460237

MSRA
Mitochondrial peptide methionine sulfoxide reductase

2

0

High-throughput

0.580

High

1460240

PKP3
Plakophilin-3

2

20

Small-scale

0.565

High

210141

CRX
Cone-rod homeobox protein

2

1

High-throughput

0.553

High

225136

TLX3
T-cell leukemia homeobox protein 3

2

2

High-throughput

0.553

High

581798

MYOG
Myogenin

2

1

High-throughput

0.553

High

600076

ZNF19
Zinc finger protein 19

2

1

High-throughput

0.553

High

619273

TNNI1
Troponin I, slow skeletal muscle

2

1

High-throughput

0.553

High

877789

TNNI2
Troponin I, fast skeletal muscle

2

1

High-throughput

0.553

High

1007997

PO6F2
POU domain, class 6, transcription factor 2

2

1

High-throughput

0.553

High

1185336

F161A
Protein FAM161A

2

1

High-throughput

0.553

High

1218966

TASO2
Protein TASOR 2

2

1

High-throughput

0.553

High

1253095

ZN620
Zinc finger protein 620

2

2

High-throughput

0.553

High

1254027

ZN662
Zinc finger protein 662

2

2

High-throughput

0.553

High

1330110

USBP1
Harmonin-binding protein USHBP1

2

1

High-throughput

0.553

High

1398654

F161B
Protein FAM161B

2

1

High-throughput

0.553

High

1400235

PNMA5
Paraneoplastic antigen-like protein 5

2

2

High-throughput

0.553

High

1410264

F110A
Protein FAM110A

2

1

High-throughput

0.553

High

1414766

ZN426
Zinc finger protein 426

2

1

High-throughput

0.553

High

1435531

ZN552
Zinc finger protein 552

2

1

High-throughput

0.553

High

1448539

DISC1
Disrupted in schizophrenia 1 protein

2

1

High-throughput

0.553

High

1460239

PLAL2
Zinc finger protein PLAGL2

2

1

High-throughput

0.553

High

938083

TPD52
Tumor protein D52

1

1

High-throughput

0.536

High

1034138

PLCB3
1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-3

1

2

High-throughput

0.536

High

1157570

PKN2
Serine/threonine-protein kinase N2

1

3

High-throughput

0.536

High

1226605

MAP1S
Microtubule-associated protein 1S

1

3

High-throughput

0.536

High

1245299

Q6PJH3
A kinase

1

1

High-throughput

0.515

High

1453087

STMN3
Stathmin-3

1

1

High-throughput

0.515

High

736901

GBP1
Guanylate-binding protein 1

1

0

High-throughput

0.513

High

867830

IF1AX
Eukaryotic translation initiation factor 1A, X-chromosomal

1

0

High-throughput

0.513

High

1439210

AGO4
Protein argonaute-4

1

0

High-throughput

0.513

High

749158

RL9
Large ribosomal subunit protein uL6

1

0

High-throughput

0.493

High

1382599

EXOC4
Exocyst complex component 4

1

0

High-throughput

0.493

High

1386906

DDT4L
DNA damage-inducible transcript 4-like protein

1

0

High-throughput

0.493

High

440771

FYN
Tyrosine-protein kinase Fyn

1

3

High-throughput

0.489

High

444014

ATPB
ATP synthase F(1) complex subunit beta, mitochondrial

1

1

High-throughput

0.489

High

703394

SMCA1
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily A member 1

1

1

High-throughput

0.489

High

1459603

PARP2
Poly [ADP-ribose] polymerase 2

1

1

High-throughput

0.489

High

1149565

CDSN
Corneodesmosin

1

1

High-throughput

0.481

High

1408554

AKAP9
A-kinase anchor protein 9

1

6

High-throughput

0.481

High

159907

DVL2
Segment polarity protein dishevelled homolog DVL-2

1

6

High-throughput

0.479

High

990843

1433Z
14-3-3 protein zeta/delta

1

2

High-throughput

0.479

High

1436537

ECT2
Protein ECT2

1

6

High-throughput

0.479

High

46383

A0A1U9X8X8
Corneodesmosin

1

1

High-throughput

0.470

High

109570

G5E9W6
Coiled-coil domain containing 183

1

1

High-throughput

0.470

High

1252742

Q6ZN96
cDNA FLJ16308 fis, clone PUAEN2006335

1

1

High-throughput

0.470

High

1286330

ANR23
Ankyrin repeat domain-containing protein 23

1

7

High-throughput

0.470

High

1327474

ZGPAT
Zinc finger CCCH-type with G patch domain-containing protein

1

2

High-throughput

0.470

High

1460238

SRTD3
SERTA domain-containing protein 3

1

1

High-throughput

0.470

High

221194

SPY2
Protein sprouty homolog 2

1

0

Small-scale

0.458

High

1332319

F181A
Protein FAM181A

1

0

High-throughput

0.458

High

1408353

PKP2
Plakophilin-2

1

20

Small-scale

0.457

High

1060641

PPARA
Peroxisome proliferator-activated receptor alpha

1

3

High-throughput

0.439

High

1090382

EPS8
Epidermal growth factor receptor kinase substrate 8

1

1

High-throughput

0.439

High

1213048

CC183
Coiled-coil domain-containing protein 183

1

2

High-throughput

0.439

High

1311795

HOMEZ
Homeobox and leucine zipper protein Homez

1

2

High-throughput

0.439

High

1396320

EHMT2
Histone-lysine N-methyltransferase EHMT2

1

6

Small-scale

0.437

High

1191809

VMA21
Vacuolar ATPase assembly integral membrane protein VMA21

2

0

High-throughput

0.328

High

1336353

GIMA8
GTPase IMAP family member 8

2

0

High-throughput

0.328

High

1382121

F162A
Protein FAM162A

2

0

High-throughput

0.328

High

1417435

OSBL1
Oxysterol-binding protein-related protein 1

2

0

High-throughput

0.328

High

217220

MS18B
Protein Mis18-beta

2

0

High-throughput

0.316

High

258211

ZG16
Zymogen granule membrane protein 16

2

0

High-throughput

0.316

High

377321

VIP
VIP peptides [Cleaved into: Intestinal peptide PHV-42

2

0

High-throughput

0.316

High

553881

KCRU
Creatine kinase U-type, mitochondrial

2

0

High-throughput

0.316

High

605494

NDUB7
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7

2

0

High-throughput

0.316

High

1017564

PRR5
Proline-rich protein 5

2

0

High-throughput

0.316

High

1068932

RIPP1
Protein ripply1

2

0

High-throughput

0.316

High

1104378

ORC2
Origin recognition complex subunit 2

2

0

High-throughput

0.316

High

1152971

NAB2
NGFI-A-binding protein 2

2

0

High-throughput

0.316

High

1193238

SPAS1
Spermatogenesis-associated serine-rich protein 1

2

0

High-throughput

0.316

High

1246510

BL1S2
Biogenesis of lysosome-related organelles complex 1 subunit 2

2

0

High-throughput

0.316

High

1247566

ZN474
Zinc finger protein 474

2

0

High-throughput

0.316

High

1276006

HDX
Highly divergent homeobox

2

0

High-throughput

0.316

High

1317055

FAM9A
Protein FAM9A

2

0

High-throughput

0.316

High

1324643

CENPS
Centromere protein S

2

0

High-throughput

0.316

High

1358948

CQ050
Uncharacterized protein C17orf50

2

0

High-throughput

0.316

High

1359994

MB3L1
Methyl-CpG-binding domain protein 3-like 1

2

0

High-throughput

0.316

High

1387140

EID2B
EP300-interacting inhibitor of differentiation 2B

2

0

High-throughput

0.316

High

1411973

PSF3
DNA replication complex GINS protein PSF3

2

0

High-throughput

0.316

High

1436861

MARH7
E3 ubiquitin-protein ligase MARCHF7

2

0

High-throughput

0.316

High

1437038

COG4
Conserved oligomeric Golgi complex subunit 4

2

0

High-throughput

0.316

High

1448748

COXM2
COX assembly mitochondrial protein 2 homolog

2

0

High-throughput

0.316

High

1450424

FBX28
F-box only protein 28

2

0

High-throughput

0.316

High

1460241

ATP23
Mitochondrial inner membrane protease ATP23 homolog

2

0

High-throughput

0.316

High

594863

GCFC2
Intron Large complex component GCFC2

1

0

High-throughput

0.279

Low

1308013

RELL1
RELT-like protein 1

1

0

High-throughput

0.279

Low

1339567

NEUA
N-acylneuraminate cytidylyltransferase

1

0

High-throughput

0.279

Low

1385765

INT12
Integrator complex subunit 12

1

0

High-throughput

0.279

Low

1395611

BT3L4
Transcription factor BTF3 homolog 4

1

0

High-throughput

0.279

Low

1430316

GATA
Glutamyl-tRNA(Gln) amidotransferase subunit A, mitochondrial

1

0

High-throughput

0.279

Low

140648

MPP10
U3 small nucleolar ribonucleoprotein protein MPP10

1

0

High-throughput

0.268

Low

948253

MCCD1
Mitochondrial coiled-coil domain protein 1

1

0

High-throughput

0.268

Low

1220059

TTC23
Tetratricopeptide repeat protein 23

1

0

High-throughput

0.268

Low

1410562

ANKMT
Adenine nucleotide translocase lysine N-methyltransferase

1

0

High-throughput

0.268

Low

1328418

CCD33
Coiled-coil domain-containing protein 33

1

0

High-throughput

0.251

Low

1401352

FER3L
Fer3-like protein

1

0

High-throughput

0.251

Low


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Last updated: 11Aug2025