Protein: STAG1
Cohesin subunit SA-1 (SCC3 homolog 1) (Stromal antigen 1)

Gene: STAG1
Organism: Homo sapiens
Interactions: 93
UniProt ID: Q8WVM7

Gene Ontology (top 5):
GO:0000775 - chromosome, centromeric region
GO:0000785 - chromatin
GO:0003682 - chromatin binding
GO:0005634 - nucleus
GO:0005654 - nucleoplasm

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1325365

STAG2
Cohesin subunit SA-2

10

4

Small-scale

0.970

High

1358290

STAG1
Cohesin subunit SA-1

3

4

High-throughput

0.827

High

238570

RAD21
Double-strand-break repair protein rad21 homolog

16

14

Small-scale

0.763

High

1358313

SMC3
Structural maintenance of chromosomes protein 3

12

20

Small-scale

0.761

High

1130125

SMC1A
Structural maintenance of chromosomes protein 1A

9

20

Small-scale

0.752

High

1279207

WAPL
Wings apart-like protein homolog

6

2

Small-scale

0.730

High

1358307

PDS5B
Sister chromatid cohesion protein PDS5 homolog B

5

18

Small-scale

0.709

High

1358295

CDCA5
Sororin

4

1

Small-scale

0.694

High

1177609

PDS5A
Sister chromatid cohesion protein PDS5 homolog A

4

15

Small-scale

0.691

High

733506

GP183
G-protein coupled receptor 183

3

4

High-throughput

0.667

High

1358311

PD1L1
Programmed cell death 1 ligand 1

3

3

High-throughput

0.667

High

1326198

PNKD
Probable thioesterase PNKD

2

1

High-throughput

0.611

High

998594

H31
Histone H3.1

2

5

High-throughput

0.584

High

640238

EPHA1
Ephrin type-A receptor 1

2

1

High-throughput

0.574

High

1029623

CD83
CD83 antigen

2

1

High-throughput

0.574

High

1330721

SIGL1
SIGLEC family-like protein 1

2

1

High-throughput

0.574

High

928501

TERF1
Telomeric repeat-binding factor 1

1

0

Small-scale

0.541

High

1091324

FOXL1
Forkhead box protein L1

1

2

High-throughput

0.536

High

1358294

HDA11
Histone deacetylase 11

1

3

High-throughput

0.536

High

1358296

KI20B
Kinesin-like protein KIF20B

1

6

High-throughput

0.536

High

1358297

CITE1
Cbp/p300-interacting transactivator 1

1

1

High-throughput

0.536

High

1358314

KLH20
Kelch-like protein 20

1

1

High-throughput

0.536

High

224758

ACTN4
Alpha-actinin-4

1

0

High-throughput

0.513

High

1111139

SNW1
SNW domain-containing protein 1

1

0

High-throughput

0.513

High

1358298

TINF2
TERF1-interacting nuclear factor 2

1

0

Small-scale

0.493

High

1358309

THAP1
THAP domain-containing protein 1

1

0

High-throughput

0.493

High

640433

C5AR1
C5a anaphylatoxin chemotactic receptor 1

1

2

High-throughput

0.489

High

683296

TNR5
Tumor necrosis factor receptor superfamily member 5

1

1

High-throughput

0.489

High

1101607

GPR17
Uracil nucleotide/cysteinyl leukotriene receptor

1

4

High-throughput

0.489

High

1249821

BTNL9
Butyrophilin-like protein 9

1

1

High-throughput

0.489

High

1358303

F234A
Protein FAM234A

1

1

High-throughput

0.489

High

1358310

OCAD1
OCIA domain-containing protein 1

1

1

High-throughput

0.489

High

1358318

NPTN
Neuroplastin

1

1

High-throughput

0.489

High

157664

CTRO
Citron Rho-interacting kinase

1

2

High-throughput

0.479

High

186776

P73
Tumor protein p73

1

1

High-throughput

0.479

High

285382

EED
Polycomb protein EED

1

2

High-throughput

0.479

High

286008

SF3B1
Splicing factor 3B subunit 1

1

2

High-throughput

0.479

High

289628

U520
U5 small nuclear ribonucleoprotein 200 kDa helicase

1

2

High-throughput

0.479

High

406431

MYCN
N-myc proto-oncogene protein

1

1

High-throughput

0.479

High

487574

PARP1
Poly [ADP-ribose] polymerase 1

1

1

High-throughput

0.479

High

508343

UBC
Polyubiquitin-C [Cleaved into: Ubiquitin]

1

1

High-throughput

0.479

High

535337

BIP
Endoplasmic reticulum chaperone BiP

1

2

High-throughput

0.479

High

537598

HSP7C
Heat shock cognate 71 kDa protein

1

1

High-throughput

0.479

High

791576

SYUA
Alpha-synuclein

1

1

High-throughput

0.479

High

937305

DSRAD
Double-stranded RNA-specific adenosine deaminase

1

2

High-throughput

0.479

High

960656

HAND2
Heart- and neural crest derivatives-expressed protein 2

1

1

High-throughput

0.479

High

980956

H2B1C
Histone H2B type 1-C/E/F/G/I

1

4

High-throughput

0.479

High

1017057

H33
Histone H3.3

1

5

High-throughput

0.479

High

1108630

TBB3
Tubulin beta-3 chain

1

1

High-throughput

0.479

High

1147977

SF3B3
Splicing factor 3B subunit 3

1

2

High-throughput

0.479

High

1235660

NIPBL
Nipped-B-like protein

1

4

High-throughput

0.479

High

1286996

UBP37
Ubiquitin carboxyl-terminal hydrolase 37

1

1

Small-scale

0.479

High

1358292

PRP31
U4/U6 small nuclear ribonucleoprotein Prp31

1

1

High-throughput

0.479

High

1358293

UBP13
Ubiquitin carboxyl-terminal hydrolase 13

1

1

Small-scale

0.479

High

1358300

FACD2
Fanconi anemia group D2 protein

1

1

High-throughput

0.479

High

1358302

DDX47
Probable ATP-dependent RNA helicase DDX47

1

2

High-throughput

0.479

High

1358312

ZRAN1
Ubiquitin thioesterase ZRANB1

1

3

High-throughput

0.479

High

1358315

DDX52
Probable ATP-dependent RNA helicase DDX52

1

1

High-throughput

0.479

High

129281

MEN1
Menin

1

0

High-throughput

0.458

High

386022

LMNA
Prelamin-A/C [Cleaved into: Lamin-A/C

1

0

High-throughput

0.458

High

456808

ANXA2
Annexin A2

1

0

High-throughput

0.458

High

530124

TAU
Microtubule-associated protein tau

1

0

High-throughput

0.458

High

573181

KPYM
Pyruvate kinase PKM

1

0

High-throughput

0.458

High

577832

PLAK
Junction plakoglobin

1

0

High-throughput

0.458

High

587749

DESP
Desmoplakin

1

0

High-throughput

0.458

High

799329

BRCA1
Breast cancer type 1 susceptibility protein

1

0

High-throughput

0.458

High

837747

LAP2B
Lamina-associated polypeptide 2, isoforms beta/gamma

1

0

High-throughput

0.458

High

986594

PPIA
Peptidyl-prolyl cis-trans isomerase A

1

0

High-throughput

0.458

High

1100167

TIF1B
Transcription intermediary factor 1-beta

1

0

High-throughput

0.458

High

1204013

FILA2
Filaggrin-2

1

0

High-throughput

0.458

High

1358299

DDA1
DET1- and DDB1-associated protein 1

1

0

High-throughput

0.458

High

1358317

DTNA
Dystrobrevin alpha

1

0

Small-scale

0.458

High

1350225

WFDC5
WAP four-disulfide core domain protein 5

1

1

Small-scale

0.457

High

1358301

NDEL1
Nuclear distribution protein nudE-like 1

1

3

High-throughput

0.457

High

72296

A9IYQ1
PDS5 cohesin associated factor B

1

13

High-throughput

0.445

High

171530

S27A2
Long-chain fatty acid transport protein 2

1

2

High-throughput

0.445

High

890375

NU153
Nuclear pore complex protein Nup153

1

3

Small-scale

0.445

High

1358316

ZN281
Zinc finger protein 281

1

1

Small-scale

0.445

High

1358306

DISC1
Disrupted in schizophrenia 1 protein

1

0

High-throughput

0.438

High

845461

PE2R3
Prostaglandin E2 receptor EP3 subtype

1

3

High-throughput

0.437

High

1010680

DCD
Dermcidin

1

1

High-throughput

0.437

High

1191911

TBB8
Tubulin beta-8 chain

1

1

High-throughput

0.437

High

1254815

TRI67
Tripartite motif-containing protein 67

1

1

High-throughput

0.437

High

1358304

PKHA4
Pleckstrin homology domain-containing family A member 4

1

1

High-throughput

0.437

High

1358308

TRM13
tRNA:m(4)X modification enzyme TRM13 homolog

2

0

High-throughput

0.328

High

249176

DSCAM
Cell adhesion molecule DSCAM

1

0

High-throughput

0.282

High

1358305

PACC1
Proton-activated chloride channel

1

0

High-throughput

0.279

Low

1064460

DSC1
Desmocollin-1

1

0

High-throughput

0.249

Low

1213791

KPRP
Keratinocyte proline-rich protein

1

0

High-throughput

0.249

Low

1248712

SBSN
Suprabasin

1

0

High-throughput

0.249

Low

1322561

LSME2
Leucine-rich single-pass membrane protein 2

1

0

High-throughput

0.249

Low

1358291

POF1B
Protein POF1B

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025