Protein: DNJB9
DnaJ homolog subfamily B member 9 (Endoplasmic reticulum DNA J domain-containing protein 4) (ER-resident protein ERdj4) (ERdj4) (Microvascular endothelial differentiation gene 1 protein) (Mdg-1)

Gene: DNJB9, DNAJB9
Organism: Homo sapiens
Interactions: 210
UniProt ID: Q9UBS3

Gene Ontology (top 5):
GO:0002639 - positive regulation of immunoglobulin production
GO:0005730 - nucleolus
GO:0005737 - cytoplasm
GO:0005783 - endoplasmic reticulum
GO:0005788 - endoplasmic reticulum lumen

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

535628

BIP
Endoplasmic reticulum chaperone BiP

2

20

Small-scale

0.789

High

1098494

DNJC3
DnaJ homolog subfamily C member 3

2

19

High-throughput

0.776

High

920332

PLK1
Serine/threonine-protein kinase PLK1

1

7

High-throughput

0.698

High

343653

OXSR1
Serine/threonine-protein kinase OSR1

1

8

High-throughput

0.691

High

63144

CL18A
C-type lectin domain family 18 member A

3

1

High-throughput

0.667

High

164705

TNF11
Tumor necrosis factor ligand superfamily member 11

3

6

High-throughput

0.667

High

1231154

SCAR3
Scavenger receptor class A member 3

3

4

High-throughput

0.667

High

1458683

COL10
Collectin-10

3

8

High-throughput

0.667

High

1042669

UPAR
Urokinase plasminogen activator surface receptor

3

0

High-throughput

0.638

High

1366108

SGCD
Delta-sarcoglycan

3

0

High-throughput

0.638

High

1408264

EGFL8
Epidermal growth factor-like protein 8

4

2

High-throughput

0.630

High

350748

NOE2
Noelin-2

2

3

High-throughput

0.628

High

423382

A4
Amyloid-beta precursor protein

2

5

High-throughput

0.628

High

547006

FGF3
Fibroblast growth factor 3

2

2

High-throughput

0.628

High

653742

PROZ
Vitamin K-dependent protein Z

2

9

High-throughput

0.628

High

1359086

TMED6
Transmembrane emp24 domain-containing protein 6

2

3

High-throughput

0.628

High

1458673

TRHDE
Thyrotropin-releasing hormone-degrading ectoenzyme

2

5

High-throughput

0.628

High

401643

RAF1
RAF proto-oncogene serine/threonine-protein kinase

1

13

High-throughput

0.618

High

452422

PDIA1
Protein disulfide-isomerase

1

20

High-throughput

0.618

High

566863

PDIA4
Protein disulfide-isomerase A4

1

20

High-throughput

0.618

High

656263

PPIB
Peptidyl-prolyl cis-trans isomerase B

1

4

High-throughput

0.618

High

717630

PDIA3
Protein disulfide-isomerase A3

1

20

High-throughput

0.618

High

1142417

PDIA6
Protein disulfide-isomerase A6

1

20

High-throughput

0.618

High

1334140

TXND5
Thioredoxin domain-containing protein 5

1

20

High-throughput

0.618

High

1458678

HYOU1
Hypoxia up-regulated protein 1

1

20

High-throughput

0.618

High

1206169

TGO1
Transport and Golgi organization protein 1 homolog

2

7

High-throughput

0.611

High

1452792

UGGG2
UDP-glucose:glycoprotein glucosyltransferase 2

2

7

High-throughput

0.611

High

1144679

PTPRK
Receptor-type tyrosine-protein phosphatase kappa

3

6

High-throughput

0.609

High

1192296

ZACN
Ligand-gated cation channel ZACN

3

3

High-throughput

0.609

High

1245545

OGFD3
2-oxoglutarate and iron-dependent oxygenase domain-containing protein 3

3

2

High-throughput

0.609

High

1260501

BRNP3
BMP/retinoic acid-inducible neural-specific protein 3

2

0

High-throughput

0.602

High

1385345

F136A
Protein FAM136A

2

0

High-throughput

0.602

High

1168760

DOXA2
Dual oxidase maturation factor 2

2

1

High-throughput

0.601

High

1356667

ARB2A
Cotranscriptional regulator ARB2A

2

0

High-throughput

0.576

High

163396

GBRD
Gamma-aminobutyric acid receptor subunit delta

2

7

High-throughput

0.574

High

209387

SIA8C
Alpha-N-acetylneuraminate alpha-2,8-sialyltransferase ST8SIA3

2

2

High-throughput

0.574

High

838536

GRIA3
Glutamate receptor 3

2

2

High-throughput

0.574

High

1278887

LYZL2
Lysozyme-like protein 2

2

1

High-throughput

0.574

High

1372446

P2RX5
P2X purinoceptor 5

2

2

High-throughput

0.574

High

1429069

CHST6
Carbohydrate sulfotransferase 6

2

1

High-throughput

0.574

High

1436383

MANS1
MANSC domain-containing protein 1

2

2

High-throughput

0.574

High

341372

ECEL1
Endothelin-converting enzyme-like 1

2

4

High-throughput

0.549

High

63052

POTEF
POTE ankyrin domain family member F

1

3

High-throughput

0.536

High

136992

AGRIN
Agrin [Cleaved into: Agrin N-terminal 110 kDa subunit; Agrin C-terminal 110 kDa subunit; Agrin C-terminal 90 kDa fragment

1

4

High-throughput

0.536

High

144069

MA2B1
Lysosomal alpha-mannosidase

1

3

High-throughput

0.536

High

160842

TOR1B
Torsin-1B

1

6

High-throughput

0.536

High

161100

ADA10
Disintegrin and metalloproteinase domain-containing protein 10

1

3

High-throughput

0.536

High

183307

LAMA5
Laminin subunit alpha-5

1

8

High-throughput

0.536

High

220204

TNF14
Tumor necrosis factor ligand superfamily member 14

1

6

High-throughput

0.536

High

320906

LRIG2
Leucine-rich repeats and immunoglobulin-like domains protein 2

1

2

High-throughput

0.536

High

321058

SUN1
SUN domain-containing protein 1

1

4

High-throughput

0.536

High

338246

G6PE
GDH/6PGL endoplasmic bifunctional protein [Includes: Hexose-6-phosphate dehydrogenase

1

1

High-throughput

0.536

High

366292

FA10
Coagulation factor X

1

7

High-throughput

0.536

High

437814

HEPS
Serine protease hepsin

1

9

High-throughput

0.536

High

462929

LAMB1
Laminin subunit beta-1

1

5

High-throughput

0.536

High

464479

TSP1
Thrombospondin-1

1

2

High-throughput

0.536

High

465677

IGF1R
Insulin-like growth factor 1 receptor

1

20

High-throughput

0.536

High

593520

PGFRA
Platelet-derived growth factor receptor alpha

1

20

High-throughput

0.536

High

648710

FGFR4
Fibroblast growth factor receptor 4

1

20

High-throughput

0.536

High

650467

FGFR3
Fibroblast growth factor receptor 3

1

20

High-throughput

0.536

High

709083

PCSK6
Proprotein convertase subtilisin/kexin type 6

1

20

High-throughput

0.536

High

731905

CEAM8
Cell adhesion molecule CEACAM8

1

4

High-throughput

0.536

High

788551

SCNNA
Epithelial sodium channel subunit alpha

1

2

High-throughput

0.536

High

810638

COIA1
Collagen alpha-1(XVIII) chain [Cleaved into: Endostatin; Non-collagenous domain 1

1

2

High-throughput

0.536

High

907229

SPHM
N-sulphoglucosamine sulphohydrolase

1

1

High-throughput

0.536

High

1098337

SEM3B
Semaphorin-3B

1

5

High-throughput

0.536

High

1131494

MBTP1
Membrane-bound transcription factor site-1 protease

1

9

High-throughput

0.536

High

1143693

NOMO1
BOS complex subunit NOMO1

1

2

High-throughput

0.536

High

1212703

GT253
Inactive glycosyltransferase 25 family member 3

1

9

High-throughput

0.536

High

1248932

ARSK
Arylsulfatase K

1

1

High-throughput

0.536

High

1308858

P3H3
Prolyl 3-hydroxylase 3

1

3

High-throughput

0.536

High

1310038

FXRD2
FAD-dependent oxidoreductase domain-containing protein 2

1

1

High-throughput

0.536

High

1334423

UXS1
UDP-glucuronic acid decarboxylase 1

1

1

High-throughput

0.536

High

1335598

CHSTE
Carbohydrate sulfotransferase 14

1

2

High-throughput

0.536

High

1368437

SC65
Endoplasmic reticulum protein SC65

1

2

High-throughput

0.536

High

1372152

EXT2
Exostosin-2

1

1

High-throughput

0.536

High

1376965

HMR1
Major histocompatibility complex class I-related protein 1

1

6

High-throughput

0.536

High

1394847

LOXL4
Lysyl oxidase homolog 4

1

4

High-throughput

0.536

High

1402147

JMJD8
JmjC domain-containing protein 8

1

4

High-throughput

0.536

High

1408464

SEM3C
Semaphorin-3C

1

5

High-throughput

0.536

High

1415049

EDEM2
ER degradation-enhancing alpha-mannosidase-like protein 2

1

5

High-throughput

0.536

High

1418358

TMPSD
Transmembrane protease serine 13

1

9

High-throughput

0.536

High

1420149

EDEM3
ER degradation-enhancing alpha-mannosidase-like protein 3

1

5

High-throughput

0.536

High

1433297

TOR3A
Torsin-3A

1

7

High-throughput

0.536

High

1452019

P4HTM
Transmembrane prolyl 4-hydroxylase

1

3

High-throughput

0.536

High

1452652

TLR7
Toll-like receptor 7

1

1

High-throughput

0.536

High

1458672

LCAP
Leucyl-cystinyl aminopeptidase

1

5

High-throughput

0.536

High

1458676

MA2B2
Epididymis-specific alpha-mannosidase

1

3

High-throughput

0.536

High

1458677

LOXL2
Lysyl oxidase homolog 2

1

4

High-throughput

0.536

High

1458679

ENTP2
Ectonucleoside triphosphate diphosphohydrolase 2

1

1

High-throughput

0.536

High

1458681

AGRG1
Adhesion G-protein coupled receptor G1

1

4

High-throughput

0.536

High

952661

MYL6
Myosin light polypeptide 6

1

0

High-throughput

0.518

High

991749

DYL1
Dynein light chain 1, cytoplasmic

1

0

High-throughput

0.518

High

1161077

FSCN1
Fascin

1

0

High-throughput

0.518

High

1380058

RIFK
Riboflavin kinase

1

0

High-throughput

0.518

High

251123

B4GT3
Beta-1,4-galactosyltransferase 3

1

0

High-throughput

0.513

High

274928

LRP5
Low-density lipoprotein receptor-related protein 5

1

0

High-throughput

0.513

High

317095

DPM2
Dolichol phosphate-mannose biosynthesis regulatory protein

1

0

High-throughput

0.513

High

771683

IDUA
Alpha-L-iduronidase

1

0

High-throughput

0.513

High

932395

ANAG
Alpha-N-acetylglucosaminidase

1

0

High-throughput

0.513

High

1225416

METRL
Meteorin-like protein

1

0

High-throughput

0.513

High

1248346

PLGT2
Protein O-glucosyltransferase 2

1

0

High-throughput

0.513

High

1251911

THSD4
Thrombospondin type-1 domain-containing protein 4

1

0

High-throughput

0.513

High

1332775

PMGT2
Protein O-linked-mannose beta-1,4-N-acetylglucosaminyltransferase 2

1

0

High-throughput

0.513

High

1356841

CEMIP
Cell migration-inducing and hyaluronan-binding protein

1

0

High-throughput

0.513

High

1382894

TTC17
Tetratricopeptide repeat protein 17

1

0

High-throughput

0.513

High

1413707

TMM43
Transmembrane protein 43

1

0

High-throughput

0.513

High

1430755

CST11
Cystatin-11

1

0

High-throughput

0.513

High

1434662

SG196
Protein O-mannose kinase

1

0

High-throughput

0.513

High

1458671

PCYOX
Prenylcysteine oxidase 1

1

0

High-throughput

0.513

High

351260

MOT3
Monocarboxylate transporter 3

1

11

High-throughput

0.494

High

811301

GRIK1
Glutamate receptor ionotropic, kainate 1

1

2

High-throughput

0.494

High

354187

CLPT1
Putative lipid scramblase CLPTM1

1

2

High-throughput

0.489

High

562767

BMP1
Bone morphogenetic protein 1

1

3

High-throughput

0.489

High

723270

ACHB4
Neuronal acetylcholine receptor subunit beta-4

1

2

High-throughput

0.489

High

757363

RNAS4
Ribonuclease 4

1

2

High-throughput

0.489

High

880214

PTH2R
Parathyroid hormone 2 receptor

1

3

High-throughput

0.489

High

885516

MA2A2
Alpha-mannosidase 2x

1

3

High-throughput

0.489

High

1022493

IDD
Integral membrane protein DGCR2/IDD

1

5

High-throughput

0.489

High

1117026

LAMB3
Laminin subunit beta-3

1

7

High-throughput

0.489

High

1228410

SE1L3
Protein sel-1 homolog 3

1

8

High-throughput

0.489

High

1243286

GLT18
Polypeptide N-acetylgalactosaminyltransferase 18

1

1

High-throughput

0.489

High

1248804

LYZL1
Lysozyme-like protein 1

1

1

High-throughput

0.489

High

1312544

GLT12
Polypeptide N-acetylgalactosaminyltransferase 12

1

1

High-throughput

0.489

High

1333854

TTC13
Tetratricopeptide repeat protein 13

1

20

High-throughput

0.489

High

1364165

TM131
Transmembrane protein 131

1

2

High-throughput

0.489

High

1366843

PTPRU
Receptor-type tyrosine-protein phosphatase U

1

6

High-throughput

0.489

High

1369115

PCSK5
Proprotein convertase subtilisin/kexin type 5

1

7

High-throughput

0.489

High

1383499

PBIP1
Pre-B-cell leukemia transcription factor-interacting protein 1

1

2

High-throughput

0.489

High

1396522

LCFC1
Sperm-egg fusion protein LLCFC1

1

1

High-throughput

0.489

High

1411003

WFDC6
WAP four-disulfide core domain protein 6

1

6

High-throughput

0.489

High

1419501

CNTP3
Contactin-associated protein-like 3

1

6

High-throughput

0.489

High

1428721

CHST5
Carbohydrate sulfotransferase 5

1

1

High-throughput

0.489

High

1429273

ADA19
Disintegrin and metalloproteinase domain-containing protein 19

1

3

High-throughput

0.489

High

1432919

SEM6B
Semaphorin-6B

1

5

High-throughput

0.489

High

1438489

RXFP1
Relaxin receptor 1

1

3

High-throughput

0.489

High

1439141

LRC4C
Leucine-rich repeat-containing protein 4C

1

2

High-throughput

0.489

High

1448141

CHSTC
Carbohydrate sulfotransferase 12

1

2

High-throughput

0.489

High

1449614

SEM4G
Semaphorin-4G

1

5

High-throughput

0.489

High

1452761

CELR1
Cadherin EGF LAG seven-pass G-type receptor 1

1

3

High-throughput

0.489

High

1453478

PK2L2
Polycystin-2-like protein 2

1

3

High-throughput

0.489

High

1458670

SUN2
SUN domain-containing protein 2

1

4

High-throughput

0.489

High

1458680

ST14
Suppressor of tumorigenicity 14 protein

1

10

High-throughput

0.489

High

1458682

TLL2
Tolloid-like protein 2

1

2

High-throughput

0.489

High

1219366

ECM29
Proteasome adapter and scaffold protein ECM29

1

3

Small-scale

0.481

High

229833

CALU
Calumenin

1

11

High-throughput

0.479

High

251975

PLOD3
Multifunctional procollagen lysine hydroxylase and glycosyltransferase LH3 [Includes: Procollagen-lysine,2-oxoglutarate 5-dioxygenase 3

1

9

High-throughput

0.479

High

252548

SEP15
Selenoprotein F

1

1

High-throughput

0.479

High

360223

GSHR
Glutathione reductase, mitochondrial

1

3

High-throughput

0.479

High

548142

PSPC
Surfactant protein C

1

1

Small-scale

0.479

High

571530

GLU2B
Glucosidase 2 subunit beta

1

4

High-throughput

0.479

High

573709

ENPL
Endoplasmin

1

12

High-throughput

0.479

High

698059

CALR
Calreticulin

1

10

High-throughput

0.479

High

699221

CALX
Calnexin

1

10

High-throughput

0.479

High

716236

ERP29
Endoplasmic reticulum resident protein 29

1

20

High-throughput

0.479

High

720548

AMRP
Alpha-2-macroglobulin receptor-associated protein

1

3

High-throughput

0.479

High

813246

OST48
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit

1

3

High-throughput

0.479

High

880730

LMAN1
Protein ERGIC-53

1

4

High-throughput

0.479

High

904181

BAP31
B-cell receptor-associated protein 31

1

4

High-throughput

0.479

High

935235

TERA
Transitional endoplasmic reticulum ATPase

1

6

Small-scale

0.479

High

1009906

NUCB2
Nucleobindin-2

1

3

High-throughput

0.479

High

1058708

CKAP4
Cytoskeleton-associated protein 4

1

11

High-throughput

0.479

High

1097074

PRDX4
Peroxiredoxin-4

1

2

High-throughput

0.479

High

1125079

RCN2
Reticulocalbin-2

1

11

High-throughput

0.479

High

1131423

GANAB
Neutral alpha-glucosidase AB

1

6

High-throughput

0.479

High

1145708

RCN1
Reticulocalbin-1

1

11

High-throughput

0.479

High

1249452

OLFM4
Olfactomedin-4

1

3

High-throughput

0.479

High

1258705

IKIP
Inhibitor of nuclear factor kappa-B kinase-interacting protein

1

1

High-throughput

0.479

High

1330428

EMC1
ER membrane protein complex subunit 1

1

4

High-throughput

0.479

High

1333553

GT251
Procollagen galactosyltransferase 1

1

9

High-throughput

0.479

High

1349861

STT3B
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B

1

4

High-throughput

0.479

High

1352956

PO210
Nuclear pore membrane glycoprotein 210

1

3

High-throughput

0.479

High

1365523

EDEM1
ER degradation-enhancing alpha-mannosidase-like protein 1

1

5

High-throughput

0.479

High

1403502

KCNKG
Potassium channel subfamily K member 16

1

2

High-throughput

0.479

High

1418012

GNB1L
Guanine nucleotide-binding protein subunit beta-like protein 1

1

12

High-throughput

0.479

High

1450322

CC50A
Cell cycle control protein 50A

1

3

High-throughput

0.479

High

1451783

MARH5
E3 ubiquitin-protein ligase MARCHF5

1

1

Small-scale

0.479

High

1452805

UGGG1
UDP-glucose:glycoprotein glucosyltransferase 1

1

7

High-throughput

0.479

High

547216

PYC
Pyruvate carboxylase, mitochondrial

1

4

High-throughput

0.445

High

1063085

S20A2
Sodium-dependent phosphate transporter 2

1

1

High-throughput

0.445

High

1399554

MIA2
Melanoma inhibitory activity protein 2

1

10

High-throughput

0.445

High

1430452

MAGT1
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit MAGT1

1

3

High-throughput

0.445

High

1438748

ZBT20
Zinc finger and BTB domain-containing protein 20

1

6

High-throughput

0.445

High

1447606

ITM2C
Integral membrane protein 2C

1

5

High-throughput

0.445

High

1458674

CHIP
E3 ubiquitin-protein ligase CHIP

1

20

High-throughput

0.445

High

163844

TCRG1
Transcription elongation regulator 1

1

6

Small-scale

0.437

High

298826

ATP5H
ATP synthase peripheral stalk subunit d, mitochondrial

1

7

High-throughput

0.437

High

380664

DQB1
HLA class II histocompatibility antigen, DQ beta 1 chain

1

8

High-throughput

0.437

High

1458675

PSG11
Pregnancy-specific beta-1-glycoprotein 11

1

4

High-throughput

0.437

High

73862

C1T9B
Complement C1q and tumor necrosis factor-related protein 9B

1

3

High-throughput

0.407

High

332254

UCP5
Brain mitochondrial carrier protein 1

1

6

High-throughput

0.407

High

1399253

CNT3B
Contactin-associated protein-like 3B

1

6

High-throughput

0.407

High

1401775

MCCA
Methylcrotonoyl-CoA carboxylase subunit alpha, mitochondrial

1

4

High-throughput

0.407

High

1428265

S6A16
Orphan sodium- and chloride-dependent neurotransmitter transporter NTT5

1

7

High-throughput

0.407

High

1433855

SMRCD
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily A containing DEAD/H box 1

1

7

High-throughput

0.407

High

1438816

MCCB
Methylcrotonoyl-CoA carboxylase beta chain, mitochondrial

1

2

High-throughput

0.407

High

1446624

SEM4B
Semaphorin-4B

1

5

High-throughput

0.407

High

1249642

PXDC2
Plexin domain-containing protein 2

2

0

High-throughput

0.328

High

1150185

TCEA2
Transcription elongation factor A protein 2

1

0

High-throughput

0.282

High

1337445

GAR6
Golgi-associated RAB2 interactor protein 6

1

0

High-throughput

0.282

High

260737

RAMP1
Receptor activity-modifying protein 1

1

0

High-throughput

0.279

Low

571255

PERF
Perforin-1

1

0

High-throughput

0.279

Low

1152968

NAB2
NGFI-A-binding protein 2

1

0

High-throughput

0.279

Low

1206280

NHLC3
NHL repeat-containing protein 3

1

0

High-throughput

0.279

Low

1278497

GL6D1
Putative glycosyltransferase 6 domain-containing protein 1

1

0

High-throughput

0.279

Low

1316547

MCLN2
Mucolipin-2

1

0

High-throughput

0.279

Low

1339614

NLGN2
Neuroligin-2

1

0

High-throughput

0.279

Low

1398253

H6ST2
Heparan-sulfate 6-O-sulfotransferase 2

1

0

High-throughput

0.279

Low

1155108

UT2
Urea transporter 2

1

0

High-throughput

0.232

Low

1337009

DIK2A
Divergent protein kinase domain 2A

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025