Protein: PSA2
Proteasome subunit alpha type-2 (PROS-Dm25) (Proteasome 25 kDa subunit)

Gene: PSA2, Prosalpha2
Organism: Drosophila melanogaster
Interactions: 182
UniProt ID: P40301

Gene Ontology (top 5):
GO:0000502 - proteasome complex
GO:0005654 - nucleoplasm
GO:0005829 - cytosol
GO:0005839 - proteasome core complex
GO:0019773 - proteasome core complex, alpha-subunit complex

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

821841

Q7K148
Proteasome subunit beta

6

20

Small-scale

0.927

High

821963

PSA6
Proteasome subunit alpha type-6

4

18

High-throughput

0.873

High

821820

PRS4
26S proteasome regulatory subunit 4

4

20

High-throughput

0.866

High

198028

PRS8
26S proteasome regulatory subunit 8

3

20

High-throughput

0.812

High

556642

PSA1
Proteasome subunit alpha type-1

3

18

High-throughput

0.812

High

611466

PSA4
Proteasome subunit alpha type-4

3

20

High-throughput

0.812

High

821867

PSA5
Proteasome subunit alpha type-5

3

19

High-throughput

0.812

High

821886

PSA3
Proteasome subunit alpha type-3

3

20

High-throughput

0.812

High

821908

Q9VJJ0
Proteasome subunit beta

3

20

High-throughput

0.812

High

821920

PSB4
Proteasome subunit beta type-4

3

20

High-throughput

0.812

High

821936

Q9VUJ1
Proteasome subunit beta

3

20

High-throughput

0.812

High

821955

Q9W414
Regulatory particle triple-A ATPase 4

3

20

High-throughput

0.812

High

821960

PSB3
Proteasome subunit beta type-3

3

20

High-throughput

0.812

High

47749

A0AQH0
Proteasome subunit beta

2

20

High-throughput

0.737

High

652725

PSA71
Proteasome subunit alpha type-7-1

2

17

High-throughput

0.737

High

821814

PSB1
Proteasome subunit beta type-1

2

20

High-throughput

0.737

High

821845

PSD11
26S proteasome non-ATPase regulatory subunit 11

2

20

High-throughput

0.737

High

821847

Q7KMQ0
26S proteasome regulatory subunit 7

2

20

High-throughput

0.737

High

821881

Q9V3V6
26S proteasome regulatory complex subunit p50

2

20

High-throughput

0.737

High

821883

Q9V405
26S proteasome regulatory subunit 6B

2

20

High-throughput

0.737

High

821898

Q9VEC2
Proteasome assembly chaperone 2

2

9

High-throughput

0.737

High

821907

Q9VIJ5
GEO05038p1

2

8

High-throughput

0.737

High

821926

PSB2
Probable proteasome subunit beta type-2

2

20

High-throughput

0.737

High

821909

Q9VK14
Proteasome subunit alpha type

2

19

High-throughput

0.726

High

821837

Q7JWR4
GH19585p

2

2

High-throughput

0.659

High

821924

Q9VPP7
AT13539p

2

2

High-throughput

0.659

High

821878

Q9V3P3
LD45860p

1

19

High-throughput

0.618

High

821899

FLNA
Filamin-A

2

6

High-throughput

0.594

High

821854

Q8IRD1
AAA+ ATPase domain-containing protein

1

13

High-throughput

0.590

High

821862

Q8T8V8
Proteasome subunit beta

1

20

High-throughput

0.590

High

821848

TERA
Transitional endoplasmic reticulum ATPase TER94

1

12

High-throughput

0.575

High

821861

Q8T8U1
Proteasome subunit beta

1

20

High-throughput

0.575

High

821863

Q8T915
proteasome endopeptidase complex

1

20

High-throughput

0.575

High

821958

Q9W470
Proteasome subunit beta

1

20

High-throughput

0.575

High

684542

PSMD7
26S proteasome non-ATPase regulatory subunit 7

2

20

High-throughput

0.571

High

821843

ADRM1
Proteasomal ubiquitin receptor ADRM1 homolog

2

10

High-throughput

0.571

High

821879

PSMD1
26S proteasome non-ATPase regulatory subunit 1

2

20

High-throughput

0.571

High

821896

Q9VE80
Uncharacterized protein, isoform B

2

1

High-throughput

0.571

High

821922

Q9VNI4
Proteasome assembly chaperone 1

2

2

High-throughput

0.571

High

821939

Q9VW54
26S proteasome non-ATPase regulatory subunit 2

2

20

High-throughput

0.571

High

821874

CSN4
COP9 signalosome complex subunit 4

1

20

High-throughput

0.528

High

649008

ANX10
Annexin B10

2

3

High-throughput

0.521

High

821842

Q7K209
deoxyribose-phosphate aldolase

2

1

High-throughput

0.521

High

821945

Q9VYG8
CG15717-PA

2

2

High-throughput

0.521

High

198136

GBLP
Small ribosomal subunit protein RACK1

1

6

High-throughput

0.508

High

538228

HSP7D
Heat shock 70 kDa protein cognate 4

1

6

High-throughput

0.508

High

821822

POLO
Serine/threonine-protein kinase polo

1

17

High-throughput

0.508

High

821902

Q9VGU4
FI02822p

1

3

High-throughput

0.489

High

821875

PSMD6
26S proteasome non-ATPase regulatory subunit 6

1

20

High-throughput

0.479

High

821876

PSDE
26S proteasome non-ATPase regulatory subunit 14

1

20

High-throughput

0.479

High

53976

A1Z892
1-Cys peroxiredoxin

1

3

High-throughput

0.445

High

121187

ALDR
Aldo-keto reductase 1B

1

8

High-throughput

0.445

High

357259

O97428
Ciboulot, isoform A

1

2

High-throughput

0.445

High

459998

ALF
Fructose-bisphosphate aldolase

1

2

High-throughput

0.445

High

578042

ENO
Enolase

1

5

High-throughput

0.445

High

821815

6PGD
6-phosphogluconate dehydrogenase, decarboxylating

1

1

High-throughput

0.445

High

821816

MOEH
Moesin/ezrin/radixin homolog 1

1

5

High-throughput

0.445

High

821818

FKB12
Peptidyl-prolyl cis-trans isomerase Fkbp12

1

8

High-throughput

0.445

High

821823

DOD
Putative peptidyl-prolyl cis-trans isomerase dodo

1

1

High-throughput

0.445

High

821826

TRXR1
Thioredoxin reductase 1, mitochondrial

1

1

High-throughput

0.445

High

821827

PGK
Phosphoglycerate kinase

1

1

High-throughput

0.445

High

821831

NLP
Nucleoplasmin-like protein

1

2

High-throughput

0.445

High

821835

Q7JVH6
LD24696p

1

8

High-throughput

0.445

High

821839

Q7JX87
1-Cys peroxiredoxin

1

3

High-throughput

0.445

High

821846

Q7KMP8
26S proteasome non-ATPase regulatory subunit 13

1

13

High-throughput

0.445

High

821852

Q8INK3
Fatty acid-binding protein, muscle

1

2

High-throughput

0.445

High

821853

Q8IQZ7
FI19014p1

1

3

High-throughput

0.445

High

821855

Q8IRD3
Glutathione peroxidase

1

1

High-throughput

0.445

High

821856

Q8MT58
Carnosine dipeptidase 2, isoform A

1

2

High-throughput

0.445

High

821884

THIO2
Thioredoxin-2

1

4

High-throughput

0.445

High

821887

Q9V9U3
LD45254p

1

2

High-throughput

0.445

High

821888

Q9VAC1
GM14349p

1

1

High-throughput

0.445

High

821889

Q9VAC4
GEO09167p1

1

2

High-throughput

0.445

High

821890

Q9VAN7
Phosphoglycerate mutase

1

2

High-throughput

0.445

High

821893

Q9VCK6
LD34157p

1

1

High-throughput

0.445

High

821903

TEBPH
Cytosolic Prostaglandin E synthase

1

1

High-throughput

0.445

High

821904

Q9VHN7
transketolase

1

2

High-throughput

0.445

High

821905

Q9VHX4
LD24679p

1

8

High-throughput

0.445

High

821912

Q9VKW5
Prolyl endopeptidase

1

1

High-throughput

0.445

High

821913

EF1D
Probable elongation factor 1-delta

1

1

High-throughput

0.445

High

821917

Q9VLB7
Rab GDP dissociation inhibitor

1

1

High-throughput

0.445

High

821918

AK200
A-kinase anchor protein 200

1

9

High-throughput

0.445

High

821929

Q9VRL1
GEO06356p1

1

1

High-throughput

0.445

High

821931

Q9VSI6
Isocitrate dehydrogenase [NADP]

1

1

High-throughput

0.445

High

821933

Q9VTY2
Uncharacterized protein, isoform A

1

8

High-throughput

0.445

High

821935

Q9VUC1
Hsc70Cb, isoform A

1

11

High-throughput

0.445

High

821940

Q9VW59
Rho GDP-dissociation inhibitor 3

1

2

High-throughput

0.445

High

821944

CLIC
Chloride intracellular channel Clic

1

4

High-throughput

0.445

High

821950

SND1
Staphylococcal nuclease domain-containing protein 1

1

1

High-throughput

0.445

High

821956

WUHO
tRNA

1

6

High-throughput

0.445

High

821965

Q9Y112
BcDNA.GH10614

1

8

High-throughput

0.445

High

821817

KLC
Kinesin light chain

1

3

High-throughput

0.437

High

821946

Q9VZF2
LD05244p

1

8

High-throughput

0.437

High

821819

RIR2
Ribonucleoside-diphosphate reductase subunit M2

1

0

High-throughput

0.426

High

821870

JUPIT
Microtubule-associated protein Jupiter

1

0

High-throughput

0.426

High

821871

NASP
Nuclear autoantigenic sperm protein homolog

1

0

High-throughput

0.426

High

821872

PUR6
Bifunctional phosphoribosylaminoimidazole carboxylase/phosphoribosylaminoimidazole succinocarboxamide synthetase

1

0

High-throughput

0.426

High

821894

Q9VD02
GH14779p

1

0

High-throughput

0.426

High

821906

Q9VIE8
Aconitate hydratase, mitochondrial

1

0

High-throughput

0.426

High

821927

BACC
Bacchus

1

0

High-throughput

0.426

High

821821

MAPK2
MAP kinase-activated protein kinase 2

1

2

High-throughput

0.417

High

821850

Q7KTP7
LP22840p

1

2

High-throughput

0.417

High

57526

A1ZB71
Glutathione S transferase E6

1

4

High-throughput

0.407

High

197735

HCD2
3-hydroxyacyl-CoA dehydrogenase type-2

1

3

High-throughput

0.407

High

356304

O97102
Small ubiquitin-related modifier

1

3

High-throughput

0.407

High

357471

INO1
Inositol-3-phosphate synthase

1

2

High-throughput

0.407

High

476910

NDKA
Nucleoside diphosphate kinase

1

5

High-throughput

0.407

High

609364

PCNA
Proliferating cell nuclear antigen

1

3

High-throughput

0.407

High

682710

PROF
Profilin

1

1

High-throughput

0.407

High

712322

CALR
Calreticulin

1

2

High-throughput

0.407

High

762516

UCHL
Ubiquitin carboxyl-terminal hydrolase

1

20

High-throughput

0.407

High

821824

PDI
Protein disulfide-isomerase

1

3

High-throughput

0.407

High

821825

VATE
V-type proton ATPase subunit E

1

1

High-throughput

0.407

High

821828

ATPB
ATP synthase subunit beta, mitochondrial

1

1

High-throughput

0.407

High

821830

NETB
Netrin-B

1

1

High-throughput

0.407

High

821832

Q3YMU0
Protein disulfide-isomerase

1

2

High-throughput

0.407

High

821833

Q6QU65
ADAM metalloprotease

1

1

High-throughput

0.407

High

821834

Q76NR6
Regucalcin

1

3

High-throughput

0.407

High

821836

ASNA
ATPase ASNA1 homolog

1

1

High-throughput

0.407

High

821844

Q7K2K2
FI04612p

1

1

High-throughput

0.407

High

821857

Q8MYY7
RE44624p

1

1

High-throughput

0.407

High

821858

Q8STA5
Histidine triad nucleotide binding protein 1, isoform A

1

2

High-throughput

0.407

High

821860

Q8T0L3
E1 ubiquitin-activating enzyme

1

2

High-throughput

0.407

High

821864

NACA
Nascent polypeptide-associated complex subunit alpha

1

1

High-throughput

0.407

High

821873

SH3BG
SH3 domain-binding glutamic acid-rich protein homolog

1

2

High-throughput

0.407

High

821880

Q9V3V2
peptidylprolyl isomerase

1

8

High-throughput

0.407

High

821882

Q9V3V9
Endonuclease G inhibitor, isoform A

1

1

High-throughput

0.407

High

821885

PDIA6
Protein disulfide-isomerase A6 homolog

1

2

High-throughput

0.407

High

821891

Q9VAY2
Heat shock protein 83

1

6

High-throughput

0.407

High

821895

Q9VD29
small monomeric GTPase

1

7

High-throughput

0.407

High

821897

Q9VEB1
Malate dehydrogenase, mitochondrial

1

3

High-throughput

0.407

High

821900

Q9VGK3
peptidylprolyl isomerase

1

8

High-throughput

0.407

High

821914

Q9VL68
Enoyl-CoA delta isomerase 1, mitochondrial

1

2

High-throughput

0.407

High

821916

FKB59
FK506-binding protein 59

1

10

High-throughput

0.407

High

821921

Q9VNB2
RE42193p

1

1

High-throughput

0.407

High

821923

Q9VPN5
Stress-induced-phosphoprotein 1

1

4

High-throughput

0.407

High

821925

Q9VPX6
Adenylyl cyclase-associated protein

1

2

High-throughput

0.407

High

821928

Q9VRD6
NTF2-related export protein

1

5

High-throughput

0.407

High

821932

Q9VSL2
Glutathione S transferase O3

1

5

High-throughput

0.407

High

821938

Q9VVL7
Dihydrolipoyl dehydrogenase

1

1

High-throughput

0.407

High

821941

RS10B
Small ribosomal subunit protein eS10B

1

3

High-throughput

0.407

High

821943

DHB4
Peroxisomal multifunctional enzyme type 2

1

1

High-throughput

0.407

High

821947

Q9VZI1
Transgelin

1

2

High-throughput

0.407

High

821948

Q9W022
GEO01508p1

1

4

High-throughput

0.407

High

821949

Q9W0H8
Reticulocalbin-3

1

1

High-throughput

0.407

High

821951

Q9W227
Peptidyl-prolyl cis-trans isomerase

1

3

High-throughput

0.407

High

821952

Q9W3X6
fumarate hydratase

1

1

High-throughput

0.407

High

821957

Q9W457
Serine hydroxymethyltransferase

1

1

High-throughput

0.407

High

821961

Q9XYZ9
Glutathione S transferase E12, isoform A

1

4

High-throughput

0.407

High

821962

Q9XZ57
Eb1, isoform E

1

4

High-throughput

0.407

High

821838

Q7JWV5
AT01380p

3

0

High-throughput

0.340

High

55060

A1Z921
Frazzled, isoform B

1

0

Small-scale

0.249

Low

821910

Q9VKA2
GEO12039p1

1

0

High-throughput

0.238

Low

57750

A1ZB77
Uncharacterized protein, isoform J

1

0

High-throughput

0.232

Low

86459

B9EQV3
Endoplasmic reticulum transmembrane protein

1

0

High-throughput

0.232

Low

195005

O16043
Anon1A4

1

0

High-throughput

0.232

Low

304599

RS21
Small ribosomal subunit protein eS21

1

0

High-throughput

0.232

Low

305173

TRMB
tRNA

1

0

High-throughput

0.232

Low

305636

IPYR
Inorganic pyrophosphatase

1

0

High-throughput

0.232

Low

821829

Q0KHZ6
Electron transfer flavoprotein subunit beta

1

0

High-throughput

0.232

Low

821840

Q7JXC4
CG6459 protein

1

0

High-throughput

0.232

Low

821849

Q7KN99
Phosphopantothenoylcysteine synthetase, isoform A

1

0

High-throughput

0.232

Low

821851

Q7KTW5
Inositol-1-monophosphatase

1

0

High-throughput

0.232

Low

821859

OLA1
Obg-like ATPase 1

1

0

High-throughput

0.232

Low

821865

ACPM
Acyl carrier protein, mitochondrial

1

0

High-throughput

0.232

Low

821866

SUCA
Succinate--CoA ligase [ADP/GDP-forming] subunit alpha, mitochondrial

1

0

High-throughput

0.232

Low

821868

FAXC
Failed axon connections

1

0

High-throughput

0.232

Low

821869

IF5A
Eukaryotic translation initiation factor 5A

1

0

High-throughput

0.232

Low

821877

Q9V3I1
Deoxyuridine 5'-triphosphate nucleotidohydrolase

1

0

High-throughput

0.232

Low

821892

Q9VBR6
RE74917p

1

0

High-throughput

0.232

Low

821901

TCTP
Translationally-controlled tumor protein homolog

1

0

High-throughput

0.232

Low

821911

Q9VKB0
threonine--tRNA ligase

1

0

High-throughput

0.232

Low

821915

Q9VL70
HL08109p

1

0

High-throughput

0.232

Low

821919

Q9VMU6
LD31822p

1

0

High-throughput

0.232

Low

821930

Q9VRP2
Uncharacterized protein, isoform A

1

0

High-throughput

0.232

Low

821934

Q9VU35
10 kDa heat shock protein, mitochondrial

1

0

High-throughput

0.232

Low

821937

Y9705
Cold shock domain-containing protein CG9705

1

0

High-throughput

0.232

Low

821942

Q9VWQ7
Coactosin-like protein

1

0

High-throughput

0.232

Low

821953

Q9W3Y3
Calcyclin-binding protein

1

0

High-throughput

0.232

Low

821954

CISY
Probable citrate synthase, mitochondrial

1

0

High-throughput

0.232

Low

821959

Q9W478
RE43153p

1

0

High-throughput

0.232

Low

821964

PURA
Adenylosuccinate synthetase

1

0

High-throughput

0.232

Low


Service provided by Combinatics, Japan

Last updated: 11Aug2025