Protein: PSMG4
Proteasome assembly chaperone 4 (PAC-4) (hPAC4) (Proteasome chaperone homolog 4) (Pba4)

Gene: PSMG4
Organism: Homo sapiens
Interactions: 50
UniProt ID: Q5JS54

Gene Ontology (top 5):
GO:0005829 - cytosol
GO:0032991 - protein-containing complex
GO:0043248 - proteasome assembly
GO:0044877 - protein-containing complex binding

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

680900

PSA1
Proteasome subunit alpha type-1

5

3

High-throughput

0.922

High

700527

PSB9
Proteasome subunit beta type-9

3

5

High-throughput

0.861

High

700657

PSA5
Proteasome subunit alpha type-5

3

3

High-throughput

0.855

High

681176

PSA2
Proteasome subunit alpha type-2

2

4

High-throughput

0.811

High

887543

PSB3
Proteasome subunit beta type-3

2

3

High-throughput

0.811

High

1206303

PSMG3
Proteasome assembly chaperone 3

2

0

Small-scale

0.758

High

165348

PSA7
Proteasome subunit alpha type-7

1

3

High-throughput

0.691

High

1206302

PSB7
Proteasome subunit beta type-7

1

3

High-throughput

0.691

High

1206296

PSMG2
Proteasome assembly chaperone 2

5

0

High-throughput

0.686

High

681660

PSA4
Proteasome subunit alpha type-4

1

4

High-throughput

0.618

High

1206295

PPM1E
Protein phosphatase 1E

2

0

High-throughput

0.602

High

1206312

AMACR
Alpha-methylacyl-CoA racemase

2

0

High-throughput

0.602

High

1206310

IMP3
U3 small nucleolar ribonucleoprotein protein IMP3

2

0

High-throughput

0.576

High

114603

H0YKT8
Proteasome subunit beta

1

4

High-throughput

0.575

High

1206282

PSMG4
Proteasome assembly chaperone 4

1

0

Small-scale

0.546

High

337475

PSMG1
Proteasome assembly chaperone 1

1

0

High-throughput

0.513

High

1206294

TRI41
E3 ubiquitin-protein ligase TRIM41

1

0

High-throughput

0.513

High

1206313

POMP
Proteasome maturation protein

1

0

High-throughput

0.513

High

1206285

RN123
E3 ubiquitin-protein ligase RNF123

1

0

High-throughput

0.458

High

1206314

FBX7
F-box only protein 7

1

0

High-throughput

0.426

High

1206309

CAH10
Carbonic anhydrase-related protein 10

3

0

High-throughput

0.347

High

1012516

RT34
Small ribosomal subunit protein mS34

3

0

High-throughput

0.345

High

61021

DCD2B
Doublecortin domain-containing protein 2B

2

0

High-throughput

0.328

High

1091187

FOXD4
Forkhead box protein D4

2

0

High-throughput

0.328

High

1206293

DQX1
ATP-dependent RNA helicase homolog DQX1

2

0

High-throughput

0.328

High

1206311

ZMAT5
Zinc finger matrin-type protein 5

2

0

High-throughput

0.328

High

65976

CCD69
Coiled-coil domain-containing protein 69

2

0

High-throughput

0.318

High

289778

MTU1
Mitochondrial tRNA-specific 2-thiouridylase 1

1

0

High-throughput

0.279

Low

665925

IBP6
Insulin-like growth factor-binding protein 6

1

0

High-throughput

0.279

Low

1129951

MELK
Maternal embryonic leucine zipper kinase

1

0

High-throughput

0.279

Low

1206283

F120S
Uncharacterized protein FAM120AOS

1

0

High-throughput

0.279

Low

1206284

AVPI1
Arginine vasopressin-induced protein 1

1

0

High-throughput

0.279

Low

1206286

PRR27
Proline-rich protein 27

1

0

High-throughput

0.279

Low

1206287

CF015
Uncharacterized protein C6orf15

1

0

High-throughput

0.279

Low

1206288

ZN444
Zinc finger protein 444

1

0

High-throughput

0.279

Low

1206289

CF107
Cilia- and flagella-associated protein 107

1

0

High-throughput

0.279

Low

1206290

SIR6
NAD-dependent protein deacylase sirtuin-6

1

0

High-throughput

0.279

Low

1206292

I17RE
Interleukin-17 receptor E

1

0

High-throughput

0.279

Low

1206297

F218A
Protein FAM218A

1

0

High-throughput

0.279

Low

1206299

DUX3
Putative double homeobox protein 3

1

0

High-throughput

0.279

Low

1206300

CMA1A
Ciliary microtubule associated protein 1A

1

0

High-throughput

0.279

Low

1206301

RSLAB
Ras-like protein family member 10B

1

0

High-throughput

0.279

Low

1206304

ZN747
Zinc finger protein 747

1

0

High-throughput

0.279

Low

1206305

GSX1
GS homeobox 1

1

0

High-throughput

0.279

Low

1206306

RPP21
Ribonuclease P protein subunit p21

1

0

High-throughput

0.279

Low

1206308

B2L12
Bcl-2-like protein 12

1

0

High-throughput

0.279

Low

1206298

YI001
Uncharacterized protein FLJ30774

1

0

High-throughput

0.249

Low

1206291

CI163
Uncharacterized protein C9orf163

1

0

High-throughput

0.232

Low

1206307

Q9H8E5
cDNA FLJ13705 fis, clone PLACE2000302

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025