Protein: PSA3
Proteasome subunit alpha type-3 (20S proteasome subunit alpha-7)

Gene: PSA3, Prosalpha7
Organism: Drosophila melanogaster
Interactions: 205
UniProt ID: Q9V5C6

Gene Ontology (top 5):
GO:0000502 - proteasome complex
GO:0005634 - nucleus
GO:0005654 - nucleoplasm
GO:0005829 - cytosol
GO:0005839 - proteasome core complex

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1264689

Q7K148
Proteasome subunit beta

4

20

Small-scale

0.867

High

556730

PSA1
Proteasome subunit alpha type-1

3

20

High-throughput

0.835

High

821886

PSA2
Proteasome subunit alpha type-2

3

20

High-throughput

0.812

High

1466072

Q9VJJ0
Proteasome subunit beta

3

20

High-throughput

0.812

High

1466131

PSB3
Proteasome subunit beta type-3

3

20

High-throughput

0.812

High

47786

A0AQH0
Proteasome subunit beta

2

20

High-throughput

0.737

High

198072

PRS8
26S proteasome regulatory subunit 8

2

20

High-throughput

0.737

High

611514

PSA4
Proteasome subunit alpha type-4

2

17

High-throughput

0.737

High

652770

PSA71
Proteasome subunit alpha type-7-1

2

20

High-throughput

0.737

High

822073

PSB1
Proteasome subunit beta type-1

2

20

High-throughput

0.737

High

875002

PRS4
26S proteasome regulatory subunit 4

2

20

High-throughput

0.737

High

1267341

PSD11
26S proteasome non-ATPase regulatory subunit 11

2

20

High-throughput

0.737

High

1267708

Q7KMQ0
26S proteasome regulatory subunit 7

2

20

High-throughput

0.737

High

1267922

TERA
Transitional endoplasmic reticulum ATPase TER94

2

10

High-throughput

0.737

High

1376923

PSA5
Proteasome subunit alpha type-5

2

20

High-throughput

0.737

High

1464426

Q9V3V6
26S proteasome regulatory complex subunit p50

2

20

High-throughput

0.737

High

1464850

Q9V405
26S proteasome regulatory subunit 6B

2

20

High-throughput

0.737

High

1466059

Q9VEC2
Proteasome assembly chaperone 2

2

8

High-throughput

0.737

High

1466070

Q9VIJ5
GEO05038p1

2

8

High-throughput

0.737

High

1466083

PSB4
Proteasome subunit beta type-4

2

20

High-throughput

0.737

High

1466091

PSB2
Probable proteasome subunit beta type-2

2

20

High-throughput

0.737

High

1466101

Q9VUJ1
Proteasome subunit beta

2

20

High-throughput

0.737

High

1466126

Q9W414
Regulatory particle triple-A ATPase 4

2

20

High-throughput

0.737

High

1466129

Q9W470
Proteasome subunit beta

2

20

High-throughput

0.737

High

1466134

PSA6
Proteasome subunit alpha type-6

2

20

High-throughput

0.737

High

1466073

Q9VK14
Proteasome subunit alpha type

2

20

High-throughput

0.726

High

1262596

Q7JWR4
GH19585p

2

3

High-throughput

0.659

High

1466087

Q9VPP7
AT13539p

2

3

High-throughput

0.659

High

1464058

Q9V3P3
LD45860p

1

15

High-throughput

0.618

High

1466047

PSMF1
Proteasome inhibitor PI31 subunit

2

7

Small-scale

0.601

High

1466107

Q9VWD9
Ubiquilin-like protein

2

20

Small-scale

0.595

High

1346232

Q8T8U1
Proteasome subunit beta

1

20

High-throughput

0.575

High

1346348

Q8T915
proteasome endopeptidase complex

1

20

High-throughput

0.575

High

649081

ANX10
Annexin B10

2

5

High-throughput

0.571

High

684562

PSMD7
26S proteasome non-ATPase regulatory subunit 7

2

19

High-throughput

0.571

High

1265202

ADRM1
Proteasomal ubiquitin receptor ADRM1 homolog

2

8

High-throughput

0.571

High

1267667

Q7KMP8
26S proteasome non-ATPase regulatory subunit 13

2

10

High-throughput

0.571

High

1463476

PSMD6
26S proteasome non-ATPase regulatory subunit 6

2

20

High-throughput

0.571

High

1463626

PSDE
26S proteasome non-ATPase regulatory subunit 14

2

20

High-throughput

0.571

High

1463654

Q9V3I1
Deoxyuridine 5'-triphosphate nucleotidohydrolase

2

2

High-throughput

0.571

High

1464088

PSMD1
26S proteasome non-ATPase regulatory subunit 1

2

20

High-throughput

0.571

High

1466057

Q9VE80
Uncharacterized protein, isoform B

2

1

High-throughput

0.571

High

1466085

Q9VNI4
Proteasome assembly chaperone 1

2

3

High-throughput

0.571

High

1466105

Q9VW54
26S proteasome non-ATPase regulatory subunit 2

2

20

High-throughput

0.571

High

55141

A1Z933
GEO02273p1

2

0

High-throughput

0.569

High

1265099

Q7K209
deoxyribose-phosphate aldolase

2

1

High-throughput

0.521

High

1445389

SH3BG
SH3 domain-binding glutamic acid-rich protein homolog

2

3

High-throughput

0.521

High

1466113

Q9VYG8
CG15717-PA

2

2

High-throughput

0.521

High

1466120

Q9W137
LD29879p

1

1

High-throughput

0.508

High

1466064

Q9VGU4
FI02822p

1

2

High-throughput

0.489

High

68967

MBD56
Methyl-CpG-binding domain protein 5/6 homolog sba

1

2

High-throughput

0.479

High

1464683

Q9V3W9
UV excision repair protein RAD23

1

20

Small-scale

0.479

High

1466090

GOLP3
Golgi phosphoprotein 3 homolog sauron

1

2

High-throughput

0.479

High

1070325

Q0IGU0
IP21556p

1

0

High-throughput

0.473

High

1172170

DYL1
Dynein light chain 1, cytoplasmic

1

0

Small-scale

0.458

High

1466102

AGO2
Protein argonaute-2

1

0

Small-scale

0.458

High

54047

A1Z892
1-Cys peroxiredoxin

1

6

High-throughput

0.445

High

121274

ALDR
Aldo-keto reductase 1B

1

14

High-throughput

0.445

High

195083

O16043
Anon1A4

1

1

High-throughput

0.445

High

305233

TRMB
tRNA

1

1

High-throughput

0.445

High

305692

IPYR
Inorganic pyrophosphatase

1

1

High-throughput

0.445

High

356395

O97102
Small ubiquitin-related modifier

1

2

High-throughput

0.445

High

357331

O97428
Ciboulot, isoform A

1

3

High-throughput

0.445

High

426737

HP1
Heterochromatin protein 1

1

1

High-throughput

0.445

High

458119

G3P2
Glyceraldehyde-3-phosphate dehydrogenase 2

1

1

High-throughput

0.445

High

460105

ALF
Fructose-bisphosphate aldolase

1

3

High-throughput

0.445

High

578117

ENO
Enolase

1

5

High-throughput

0.445

High

609435

PCNA
Proliferating cell nuclear antigen

1

3

High-throughput

0.445

High

648920

ANXB9
Annexin B9

1

5

High-throughput

0.445

High

835170

6PGD
6-phosphogluconate dehydrogenase, decarboxylating

1

1

High-throughput

0.445

High

856071

MOEH
Moesin/ezrin/radixin homolog 1

1

5

High-throughput

0.445

High

871655

FKB12
Peptidyl-prolyl cis-trans isomerase Fkbp12

1

13

High-throughput

0.445

High

874682

RIR2
Ribonucleoside-diphosphate reductase subunit M2

1

1

High-throughput

0.445

High

929009

DOD
Putative peptidyl-prolyl cis-trans isomerase dodo

1

3

High-throughput

0.445

High

1019630

TRXR1
Thioredoxin reductase 1, mitochondrial

1

4

High-throughput

0.445

High

1031226

PGK
Phosphoglycerate kinase

1

3

High-throughput

0.445

High

1052254

HMGD
High mobility group protein D

1

5

High-throughput

0.445

High

1176566

NLP
Nucleoplasmin-like protein

1

4

High-throughput

0.445

High

1176724

SAHH
Adenosylhomocysteinase

1

1

High-throughput

0.445

High

1260840

Q76NR6
Regucalcin

1

4

High-throughput

0.445

High

1262148

Q7JVH6
LD24696p

1

14

High-throughput

0.445

High

1262837

Q7JX87
1-Cys peroxiredoxin

1

6

High-throughput

0.445

High

1263020

Q7JXC4
CG6459 protein

1

1

High-throughput

0.445

High

1264126

Q7K0E6
Aspartate--tRNA ligase, cytoplasmic

1

2

High-throughput

0.445

High

1268083

Q7KN85
ATP-citrate synthase

1

1

High-throughput

0.445

High

1268260

Q7KN99
Phosphopantothenoylcysteine synthetase, isoform A

1

1

High-throughput

0.445

High

1303923

Q8INK3
Fatty acid-binding protein, muscle

1

3

High-throughput

0.445

High

1305731

Q8IQZ7
FI19014p1

1

4

High-throughput

0.445

High

1306112

Q8IRD3
Glutathione peroxidase

1

2

High-throughput

0.445

High

1321683

Q8MT58
Carnosine dipeptidase 2, isoform A

1

3

High-throughput

0.445

High

1321969

Q8MYY7
RE44624p

1

2

High-throughput

0.445

High

1343018

Q8STA5
Histidine triad nucleotide binding protein 1, isoform A

1

3

High-throughput

0.445

High

1344422

Q8SYG3
E2 ubiquitin-conjugating enzyme

1

1

High-throughput

0.445

High

1345250

Q8T0L3
E1 ubiquitin-activating enzyme

1

3

High-throughput

0.445

High

1440034

JUPIT
Microtubule-associated protein Jupiter

1

1

High-throughput

0.445

High

1440131

NASP
Nuclear autoantigenic sperm protein homolog

1

1

High-throughput

0.445

High

1440568

PUR6
Bifunctional phosphoribosylaminoimidazole carboxylase/phosphoribosylaminoimidazole succinocarboxamide synthetase

1

2

High-throughput

0.445

High

1464568

Q9V3V9
Endonuclease G inhibitor, isoform A

1

1

High-throughput

0.445

High

1465014

THIO2
Thioredoxin-2

1

7

High-throughput

0.445

High

1465235

Q9V436
26S proteasome non-ATPase regulatory subunit 8

1

5

High-throughput

0.445

High

1466048

Q9V9U3
LD45254p

1

3

High-throughput

0.445

High

1466049

Q9VAC1
GM14349p

1

3

High-throughput

0.445

High

1466050

Q9VAC4
GEO09167p1

1

4

High-throughput

0.445

High

1466051

Q9VAN7
Phosphoglycerate mutase

1

5

High-throughput

0.445

High

1466054

Q9VCK6
LD34157p

1

1

High-throughput

0.445

High

1466055

Q9VD02
GH14779p

1

1

High-throughput

0.445

High

1466060

FLNA
Filamin-A

1

4

High-throughput

0.445

High

1466061

Q9VG31
Malic enzyme

1

1

High-throughput

0.445

High

1466063

TCTP
Translationally-controlled tumor protein homolog

1

1

High-throughput

0.445

High

1466065

TEBPH
Cytosolic Prostaglandin E synthase

1

2

High-throughput

0.445

High

1466066

Q9VHN7
transketolase

1

1

High-throughput

0.445

High

1466067

DPP3
Dipeptidyl peptidase 3

1

1

High-throughput

0.445

High

1466068

Q9VHX4
LD24679p

1

14

High-throughput

0.445

High

1466069

Q9VIE8
Aconitate hydratase, mitochondrial

1

3

High-throughput

0.445

High

1466075

Q9VKW5
Prolyl endopeptidase

1

2

High-throughput

0.445

High

1466076

EF1D
Probable elongation factor 1-delta

1

3

High-throughput

0.445

High

1466080

Q9VLB7
Rab GDP dissociation inhibitor

1

1

High-throughput

0.445

High

1466081

AK200
A-kinase anchor protein 200

1

9

High-throughput

0.445

High

1466092

BACC
Bacchus

1

1

High-throughput

0.445

High

1466094

Q9VRL1
GEO06356p1

1

4

High-throughput

0.445

High

1466096

Q9VSI6
Isocitrate dehydrogenase [NADP]

1

1

High-throughput

0.445

High

1466098

Q9VTY2
Uncharacterized protein, isoform A

1

14

High-throughput

0.445

High

1466100

Q9VUC1
Hsc70Cb, isoform A

1

11

High-throughput

0.445

High

1466106

Q9VW59
Rho GDP-dissociation inhibitor 3

1

3

High-throughput

0.445

High

1466108

RS10B
Small ribosomal subunit protein eS10B

1

3

High-throughput

0.445

High

1466112

CLIC
Chloride intracellular channel Clic

1

6

High-throughput

0.445

High

1466118

Q9W0H8
Reticulocalbin-3

1

1

High-throughput

0.445

High

1466119

SND1
Staphylococcal nuclease domain-containing protein 1

1

2

High-throughput

0.445

High

1466124

Q9W3Y3
Calcyclin-binding protein

1

2

High-throughput

0.445

High

1466127

WUHO
tRNA

1

6

High-throughput

0.445

High

1466128

Q9W457
Serine hydroxymethyltransferase

1

2

High-throughput

0.445

High

1466135

FL2D
Pre-mRNA-splicing regulator female-lethal(2)D

1

2

Small-scale

0.445

High

1466137

Q9Y112
BcDNA.GH10614

1

14

High-throughput

0.445

High

1377344

Q95RF6
LD34461p

1

1

High-throughput

0.437

High

57603

A1ZB71
Glutathione S transferase E6

1

6

High-throughput

0.407

High

57829

A1ZB77
Uncharacterized protein, isoform J

1

2

High-throughput

0.407

High

86537

B9EQV3
Endoplasmic reticulum transmembrane protein

1

1

High-throughput

0.407

High

197822

HCD2
3-hydroxyacyl-CoA dehydrogenase type-2

1

3

High-throughput

0.407

High

234596

VINC
Vinculin

1

1

High-throughput

0.407

High

234767

O46067
Hypoxia up-regulated protein 1

1

8

High-throughput

0.407

High

304668

RS21
Small ribosomal subunit protein eS21

1

1

High-throughput

0.407

High

356559

O97121
cystathionine gamma-lyase

1

1

High-throughput

0.407

High

357554

INO1
Inositol-3-phosphate synthase

1

3

High-throughput

0.407

High

476989

NDKA
Nucleoside diphosphate kinase

1

4

High-throughput

0.407

High

657795

VATL
V-type proton ATPase 16 kDa proteolipid subunit c

1

1

High-throughput

0.407

High

682787

PROF
Profilin

1

3

High-throughput

0.407

High

712383

CALR
Calreticulin

1

3

High-throughput

0.407

High

762589

UCHL
Ubiquitin carboxyl-terminal hydrolase

1

18

High-throughput

0.407

High

929529

PDI
Protein disulfide-isomerase

1

7

High-throughput

0.407

High

930179

VATE
V-type proton ATPase subunit E

1

3

High-throughput

0.407

High

1026644

SODM
Superoxide dismutase [Mn], mitochondrial

1

1

High-throughput

0.407

High

1052440

ATPB
ATP synthase subunit beta, mitochondrial

1

3

High-throughput

0.407

High

1070786

Q0KHZ6
Electron transfer flavoprotein subunit beta

1

2

High-throughput

0.407

High

1191680

Q3YMU0
Protein disulfide-isomerase

1

5

High-throughput

0.407

High

1262471

ASNA
ATPase ASNA1 homolog

1

1

High-throughput

0.407

High

1265267

Q7K2K2
FI04612p

1

1

High-throughput

0.407

High

1267256

Q7KKI0
T-complex protein 1 subunit epsilon

1

4

High-throughput

0.407

High

1269464

Q7KTW5
Inositol-1-monophosphatase

1

2

High-throughput

0.407

High

1343317

OLA1
Obg-like ATPase 1

1

2

High-throughput

0.407

High

1374528

NACA
Nascent polypeptide-associated complex subunit alpha

1

2

High-throughput

0.407

High

1374672

ACPM
Acyl carrier protein, mitochondrial

1

1

High-throughput

0.407

High

1377648

FAXC
Failed axon connections

1

1

High-throughput

0.407

High

1427846

IF5A
Eukaryotic translation initiation factor 5A

1

1

High-throughput

0.407

High

1464313

Q9V3V2
peptidylprolyl isomerase

1

13

High-throughput

0.407

High

1465249

PDIA6
Protein disulfide-isomerase A6 homolog

1

7

High-throughput

0.407

High

1466052

Q9VAY2
Heat shock protein 83

1

6

High-throughput

0.407

High

1466053

Q9VBR6
RE74917p

1

2

High-throughput

0.407

High

1466056

Q9VD29
small monomeric GTPase

1

2

High-throughput

0.407

High

1466058

Q9VEB1
Malate dehydrogenase, mitochondrial

1

5

High-throughput

0.407

High

1466062

Q9VGK3
peptidylprolyl isomerase

1

13

High-throughput

0.407

High

1466071

Q9VJD4
LD24721p

1

7

High-throughput

0.407

High

1466074

Q9VKB0
threonine--tRNA ligase

1

1

High-throughput

0.407

High

1466077

Q9VL68
Enoyl-CoA delta isomerase 1, mitochondrial

1

2

High-throughput

0.407

High

1466078

Q9VL70
HL08109p

1

3

High-throughput

0.407

High

1466079

FKB59
FK506-binding protein 59

1

14

High-throughput

0.407

High

1466082

Q9VMU6
LD31822p

1

1

High-throughput

0.407

High

1466084

Q9VNB2
RE42193p

1

1

High-throughput

0.407

High

1466086

Q9VPN5
Stress-induced-phosphoprotein 1

1

7

High-throughput

0.407

High

1466088

Q9VPX6
Adenylyl cyclase-associated protein

1

3

High-throughput

0.407

High

1466089

Q9VQ61
Aspartate aminotransferase

1

2

High-throughput

0.407

High

1466093

Q9VRD6
NTF2-related export protein

1

5

High-throughput

0.407

High

1466095

Q9VRP2
Uncharacterized protein, isoform A

1

1

High-throughput

0.407

High

1466097

Q9VSL2
Glutathione S transferase O3

1

7

High-throughput

0.407

High

1466099

Q9VU35
10 kDa heat shock protein, mitochondrial

1

2

High-throughput

0.407

High

1466103

Y9705
Cold shock domain-containing protein CG9705

1

2

High-throughput

0.407

High

1466104

Q9VVL7
Dihydrolipoyl dehydrogenase

1

4

High-throughput

0.407

High

1466111

DHB4
Peroxisomal multifunctional enzyme type 2

1

2

High-throughput

0.407

High

1466114

TXND5
Thioredoxin domain-containing protein 5 homolog

1

9

High-throughput

0.407

High

1466116

Q9VZI1
Transgelin

1

2

High-throughput

0.407

High

1466117

Q9W022
GEO01508p1

1

10

High-throughput

0.407

High

1466121

Q9W227
Peptidyl-prolyl cis-trans isomerase

1

4

High-throughput

0.407

High

1466123

Q9W3X6
fumarate hydratase

1

2

High-throughput

0.407

High

1466125

CISY
Probable citrate synthase, mitochondrial

1

4

High-throughput

0.407

High

1466130

Q9W478
RE43153p

1

1

High-throughput

0.407

High

1466132

Q9XYZ9
Glutathione S transferase E12, isoform A

1

6

High-throughput

0.407

High

1466133

Q9XZ57
Eb1, isoform E

1

2

High-throughput

0.407

High

1466136

PURA
Adenylosuccinate synthetase

1

1

High-throughput

0.407

High

1174335

RPR
Cell death protein rpr

1

0

High-throughput

0.249

Low

1343640

NUTC
Protein nutcracker

1

0

Small-scale

0.249

Low

1466115

C4G15
Cytochrome P450 4g15

1

0

High-throughput

0.249

Low

1269400

Q7KTP7
LP22840p

1

0

High-throughput

0.238

Low

632972

GLNA1
Glutamine synthetase 1, mitochondrial

1

0

High-throughput

0.232

Low

1466109

Q9VWQ7
Coactosin-like protein

1

0

High-throughput

0.232

Low

1466110

DENR
Density-regulated protein homolog

1

0

High-throughput

0.232

Low

1466122

Q9W2M4
Farnesoic acid O-methyl transferase domain-containing protein

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025