Protein: PCD20
Protocadherin-20 (Protocadherin-13)

Gene: PCD20, PCDH20
Organism: Homo sapiens
Interactions: 90
UniProt ID: Q8N6Y1

Gene Ontology (top 5):
GO:0003723 - RNA binding
GO:0005509 - calcium ion binding
GO:0005886 - plasma membrane
GO:0007155 - cell adhesion
GO:0007156 - homophilic cell adhesion via plasma membrane adhesion molecules

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

239860

PCDH7
Protocadherin-7

3

19

High-throughput

0.855

High

1330137

CELR2
Cadherin EGF LAG seven-pass G-type receptor 2

3

20

High-throughput

0.855

High

1330153

PCDGD
Protocadherin gamma-B1

3

20

High-throughput

0.855

High

167755

PCD17
Protocadherin-17

2

20

High-throughput

0.811

High

1330141

CELR3
Cadherin EGF LAG seven-pass G-type receptor 3

2

19

High-throughput

0.811

High

1186215

CEA21
Cell adhesion molecule CEACAM21

3

8

High-throughput

0.770

High

324015

CSTN1
Calsyntenin-1

1

20

High-throughput

0.691

High

1062174

PCDH1
Protocadherin-1

1

20

High-throughput

0.691

High

1330155

PCDGB
Protocadherin gamma-A11

1

20

High-throughput

0.691

High

981891

RL23
Large ribosomal subunit protein uL14

3

19

High-throughput

0.662

High

213968

M3K7
Mitogen-activated protein kinase kinase kinase 7

2

4

High-throughput

0.628

High

658908

PTPRD
Receptor-type tyrosine-protein phosphatase delta

2

20

High-throughput

0.628

High

1116728

ITA7
Integrin alpha-7 [Cleaved into: Integrin alpha-7 heavy chain; Integrin alpha-7 light chain; Integrin alpha-7 70 kDa form]

2

8

High-throughput

0.628

High

1132045

LTBP1
Latent-transforming growth factor beta-binding protein 1

2

11

High-throughput

0.628

High

1175812

T132A
Transmembrane protein 132A

2

6

High-throughput

0.628

High

1330129

CB048
Putative uncharacterized protein C2orf48

3

2

High-throughput

0.609

High

1309934

MA7D3
MAP7 domain-containing protein 3

3

4

High-throughput

0.604

High

770402

T2FA
General transcription factor IIF subunit 1

2

0

High-throughput

0.602

High

1330128

PCD16
Protocadherin-16

1

20

High-throughput

0.575

High

1330136

PCD18
Protocadherin-18

1

20

High-throughput

0.575

High

1330147

PCDGK
Protocadherin gamma-C3

1

20

High-throughput

0.575

High

1330148

PCDGG
Protocadherin gamma-B4

1

20

High-throughput

0.575

High

1330150

PCDB5
Protocadherin beta-5

1

20

High-throughput

0.575

High

1330151

PCDB2
Protocadherin beta-2

1

20

High-throughput

0.575

High

1330152

PCDGH
Protocadherin gamma-B5

1

20

High-throughput

0.575

High

1330154

PCDG4
Protocadherin gamma-A4

1

20

High-throughput

0.575

High

62200

PRS37
Probable inactive serine protease 37

2

18

High-throughput

0.574

High

284968

TAF5L
TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L

2

1

High-throughput

0.574

High

338903

CBX6
Chromobox protein homolog 6

2

10

High-throughput

0.574

High

342446

RPP29
Ribonuclease P protein subunit p29

2

2

High-throughput

0.574

High

617323

ATF6A
Cyclic AMP-dependent transcription factor ATF-6 alpha

2

5

High-throughput

0.574

High

876268

NMU
Neuromedin-U [Cleaved into: Neuromedin precursor-related peptide 36

2

2

High-throughput

0.574

High

1028104

B4GN1
Beta-1,4 N-acetylgalactosaminyltransferase 1

2

1

High-throughput

0.574

High

1293615

DYR2
Dihydrofolate reductase 2, mitochondrial

2

2

High-throughput

0.574

High

1330142

E2AK3
Eukaryotic translation initiation factor 2-alpha kinase 3

2

16

High-throughput

0.574

High

1330145

DKKL1
Dickkopf-like protein 1

2

10

High-throughput

0.574

High

1330149

AGAP1
Arf-GAP with GTPase, ANK repeat and PH domain-containing protein 1

2

10

High-throughput

0.558

High

553365

FCGR1
High affinity immunoglobulin gamma Fc receptor I

1

5

High-throughput

0.536

High

557388

SRC
Proto-oncogene tyrosine-protein kinase Src

1

7

High-throughput

0.536

High

616084

LAG3
Lymphocyte activation gene 3 protein

1

5

High-throughput

0.536

High

654990

ITA6
Integrin alpha-6

1

8

High-throughput

0.536

High

1015062

ARF5
ADP-ribosylation factor 5

1

2

High-throughput

0.536

High

1330123

PTPRU
Receptor-type tyrosine-protein phosphatase U

1

19

High-throughput

0.536

High

1330126

FWCH2
FLYWCH family member 2

1

1

High-throughput

0.536

High

1143748

PON2
Serum paraoxonase/arylesterase 2

1

0

High-throughput

0.513

High

516237

PAL4G
Peptidyl-prolyl cis-trans isomerase A-like 4G

2

3

High-throughput

0.504

High

212078

B4GT5
Beta-1,4-galactosyltransferase 5

1

1

High-throughput

0.489

High

380766

HBD
Hemoglobin subunit delta

1

1

High-throughput

0.489

High

663561

CMA1
Chymase

1

12

High-throughput

0.489

High

684500

CTNA2
Catenin alpha-2

1

1

High-throughput

0.489

High

1108612

TBB3
Tubulin beta-3 chain

1

4

High-throughput

0.489

High

1124497

MAP7
Ensconsin

1

7

High-throughput

0.489

High

1153069

TAB1
TGF-beta-activated kinase 1 and MAP3K7-binding protein 1

1

4

High-throughput

0.489

High

1191887

TBB8
Tubulin beta-8 chain

1

4

High-throughput

0.489

High

1230726

Z518A
Zinc finger protein 518A

1

5

High-throughput

0.489

High

1329747

SIR6
NAD-dependent protein deacylase sirtuin-6

1

4

High-throughput

0.489

High

1330122

DCNP1
Dendritic cell nuclear protein 1

1

4

High-throughput

0.489

High

1330124

UCN3
Urocortin-3

1

1

High-throughput

0.489

High

1330125

SPSB4
SPRY domain-containing SOCS box protein 4

1

20

High-throughput

0.489

High

1330139

BCD1
Box C/D snoRNA protein 1

1

1

High-throughput

0.489

High

761261

RYK
Tyrosine-protein kinase RYK

1

20

Small-scale

0.479

High

931966

EPHB4
Ephrin type-B receptor 4

1

9

Small-scale

0.479

High

931403

AT1B3
Sodium/potassium-transporting ATPase subunit beta-3

1

0

High-throughput

0.458

High

287967

MYCB2
E3 ubiquitin-protein ligase MYCBP2

1

5

High-throughput

0.445

High

380093

HLAB
HLA class I histocompatibility antigen, B alpha chain

1

1

High-throughput

0.445

High

1102726

PTPRS
Receptor-type tyrosine-protein phosphatase S

1

20

High-throughput

0.445

High

1330130

CNT3B
Contactin-associated protein-like 3B

1

15

High-throughput

0.445

High

1330138

GINM1
Glycoprotein integral membrane protein 1

1

1

High-throughput

0.437

High

1330144

KLK11
Kallikrein-11

1

12

High-throughput

0.437

High

1240307

RUSD3
Mitochondrial mRNA pseudouridine synthase RPUSD3

1

0

High-throughput

0.426

High

95986

E7EUN2
Arf-GAP with GTPase, ANK repeat and PH domain-containing protein 1

1

9

High-throughput

0.407

High

1244147

PONL1
Podocan-like protein 1

1

4

High-throughput

0.407

High

1245967

ZNT9
Proton-coupled zinc antiporter SLC30A9, mitochondrial

1

7

High-throughput

0.407

High

1330132

CDC6
Cell division control protein 6 homolog

1

2

High-throughput

0.407

High

1330133

RAB34
Ras-related protein Rab-34

1

6

High-throughput

0.407

High

1330156

TAF6L
TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L

1

4

High-throughput

0.407

High

1330127

MITOK
Mitochondrial potassium channel

3

0

High-throughput

0.345

High

319161

ST65G
STAGA complex 65 subunit gamma

2

0

High-throughput

0.328

High

1330134

TAF9B
Transcription initiation factor TFIID subunit 9B

2

0

High-throughput

0.328

High

515714

TPC2B
Trafficking protein particle complex subunit 2B

2

0

High-throughput

0.305

High

61026

DCD2B
Doublecortin domain-containing protein 2B

1

0

High-throughput

0.279

Low

225376

ERD23
ER lumen protein-retaining receptor 3

1

0

High-throughput

0.279

Low

1157588

TAF12
Transcription initiation factor TFIID subunit 12

1

0

High-throughput

0.279

Low

1330135

CHD8
Chromodomain-helicase-DNA-binding protein 8

1

0

High-throughput

0.279

Low

1330143

MGT4C
Alpha-1,3-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase C

1

0

High-throughput

0.279

Low

1330146

YETS2
YEATS domain-containing protein 2

1

0

High-throughput

0.279

Low

1330140

B3GN2
N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase 2

1

0

High-throughput

0.249

Low

191994

CAN5
Calpain-5

1

0

High-throughput

0.232

Low

1178972

EX3L2
Exocyst complex component 3-like protein 2

1

0

High-throughput

0.232

Low

1330131

VPS35
Vacuolar protein sorting-associated protein 35

1

0

Small-scale

0.232

Low


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Last updated: 11Aug2025