Protein: CTR2
Cationic amino acid transporter 2 (CAT-2) (CAT2) (Low affinity cationic amino acid transporter 2) (Solute carrier family 7 member 2)

Gene: CTR2, SLC7A2
Organism: Homo sapiens
Interactions: 142
UniProt ID: P52569

Gene Ontology (top 5):
GO:0000064 - L-ornithine transmembrane transporter activity
GO:0005886 - plasma membrane
GO:0006865 - amino acid transport
GO:0015171 - amino acid transmembrane transporter activity
GO:0015174 - basic amino acid transmembrane transporter activity

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

912661

CD83
CD83 antigen

2

0

High-throughput

0.770

High

722424

CTR1
High affinity cationic amino acid transporter 1

2

16

High-throughput

0.712

High

912730

VSIG4
V-set and immunoglobulin domain-containing protein 4

2

6

High-throughput

0.705

High

332932

VAPB
Vesicle-associated membrane protein-associated protein B/C

3

3

High-throughput

0.667

High

609631

LEG3
Galectin-3

3

18

High-throughput

0.667

High

750559

CP2CI
Cytochrome P450 2C18

3

2

High-throughput

0.667

High

912654

TSN5
Tetraspanin-5

3

8

High-throughput

0.667

High

375315

RASK
GTPase KRas

3

20

High-throughput

0.640

High

639366

5NTD
5'-nucleotidase

3

0

High-throughput

0.638

High

668981

FPR2
N-formyl peptide receptor 2

2

18

High-throughput

0.628

High

732961

VIPR1
Vasoactive intestinal polypeptide receptor 1

2

10

High-throughput

0.628

High

912674

C3AR
C3a anaphylatoxin chemotactic receptor

2

13

High-throughput

0.628

High

912712

YIPF3
Protein YIPF3

2

3

High-throughput

0.628

High

912722

C5AR2
C5a anaphylatoxin chemotactic receptor 2

2

18

High-throughput

0.628

High

912659

GBRE
Gamma-aminobutyric acid receptor subunit epsilon

3

2

High-throughput

0.609

High

373852

RASN
GTPase NRas

2

20

High-throughput

0.584

High

912657

RHOB
Rho-related GTP-binding protein RhoB

2

20

High-throughput

0.584

High

912684

DLK2
Protein delta homolog 2

2

6

High-throughput

0.574

High

912696

MFD4A
Major facilitator superfamily domain-containing protein 4A

2

1

High-throughput

0.574

High

540371

LAMP1
Lysosome-associated membrane glycoprotein 1

2

13

High-throughput

0.571

High

630481

RAB3B
Ras-related protein Rab-3B

2

6

High-throughput

0.571

High

912680

ANR22
Ankyrin repeat domain-containing protein 22

2

5

High-throughput

0.549

High

132582

UPK1A
Uroplakin-1a

1

9

High-throughput

0.536

High

182496

GP182
G-protein coupled receptor 182

1

15

High-throughput

0.536

High

349397

TSN15
Tetraspanin-15

1

8

High-throughput

0.536

High

638400

FPR1
fMet-Leu-Phe receptor

1

17

High-throughput

0.536

High

640377

C5AR1
C5a anaphylatoxin chemotactic receptor 1

1

14

High-throughput

0.536

High

683220

TNR5
Tumor necrosis factor receptor superfamily member 5

1

7

High-throughput

0.536

High

719769

V2R
Vasopressin V2 receptor

1

5

High-throughput

0.536

High

845502

PI2R
Prostacyclin receptor

1

5

High-throughput

0.536

High

867606

GPR12
G-protein coupled receptor 12

1

5

High-throughput

0.536

High

870700

CXA8
Gap junction alpha-8 protein

1

7

High-throughput

0.536

High

912652

CXCR4
C-X-C chemokine receptor type 4

1

13

High-throughput

0.536

High

912664

CCG1
Voltage-dependent calcium channel gamma-1 subunit

1

1

High-throughput

0.536

High

912671

GPR17
Uracil nucleotide/cysteinyl leukotriene receptor

1

11

High-throughput

0.536

High

912689

TM11B
Transmembrane protease serine 11B

1

2

High-throughput

0.536

High

912701

AQP3
Aquaporin-3

1

1

High-throughput

0.536

High

912707

OPALI
Opalin

1

2

High-throughput

0.536

High

912711

CCG6
Voltage-dependent calcium channel gamma-6 subunit

1

1

High-throughput

0.536

High

912713

S22A4
Solute carrier family 22 member 4

1

3

High-throughput

0.536

High

912714

TSN10
Tetraspanin-10

1

8

High-throughput

0.536

High

912669

TSN31
Tetraspanin-31

1

0

High-throughput

0.513

High

912677

RTP2
Receptor-transporting protein 2

1

0

High-throughput

0.513

High

912724

HCST
Hematopoietic cell signal transducer

1

0

High-throughput

0.513

High

411624

NTRK1
High affinity nerve growth factor receptor

1

9

High-throughput

0.500

High

71199

HIDE1
Protein HIDE1

1

1

High-throughput

0.489

High

125340

LEG9
Galectin-9

1

18

High-throughput

0.489

High

253825

TPST2
Protein-tyrosine sulfotransferase 2

1

6

High-throughput

0.489

High

912676

LEG9B
Galectin-9B

1

18

High-throughput

0.489

High

912705

CKLF5
CKLF-like MARVEL transmembrane domain-containing protein 5

1

2

High-throughput

0.489

High

912725

NAT8B
N-acetyltransferase 8B

1

1

High-throughput

0.489

High

126518

RHOD
Rho-related GTP-binding protein RhoD

1

20

High-throughput

0.479

High

189472

STX7
Syntaxin-7

1

12

High-throughput

0.479

High

217987

TGON2
Trans-Golgi network integral membrane protein 2

1

4

High-throughput

0.479

High

225970

STX6
Syntaxin-6

1

7

High-throughput

0.479

High

341007

DIRA3
GTP-binding protein Di-Ras3

1

8

High-throughput

0.479

High

463414

LYN
Tyrosine-protein kinase Lyn

1

10

High-throughput

0.479

High

466167

RHOC
Rho-related GTP-binding protein RhoC

1

20

High-throughput

0.479

High

561962

LAMP2
Lysosome-associated membrane glycoprotein 2

1

13

High-throughput

0.479

High

580947

RAC2
Ras-related C3 botulinum toxin substrate 2

1

20

High-throughput

0.479

High

601217

RHOQ
Rho-related GTP-binding protein RhoQ

1

20

High-throughput

0.479

High

631135

RAB5A
Ras-related protein Rab-5A

1

15

High-throughput

0.479

High

715498

MARCS
Myristoylated alanine-rich C-kinase substrate

1

4

High-throughput

0.479

High

900737

RAB5C
Ras-related protein Rab-5C

1

16

High-throughput

0.479

High

901141

RAB7A
Ras-related protein Rab-7a

1

14

High-throughput

0.479

High

909986

RND2
Rho-related GTP-binding protein RhoN

1

20

High-throughput

0.479

High

912649

RAC3
Ras-related C3 botulinum toxin substrate 3

1

20

High-throughput

0.479

High

912650

CDC42
Cell division control protein 42 homolog

1

20

High-throughput

0.479

High

912653

RHOA
Transforming protein RhoA

1

20

High-throughput

0.479

High

912655

ARF6
ADP-ribosylation factor 6

1

8

High-throughput

0.479

High

912658

RAC1
Ras-related C3 botulinum toxin substrate 1

1

20

High-throughput

0.479

High

912660

RHOG
Rho-related GTP-binding protein RhoG

1

20

High-throughput

0.479

High

912662

CAV1
Caveolin-1

1

4

High-throughput

0.479

High

912667

STX4
Syntaxin-4

1

13

High-throughput

0.479

High

912672

RAB35
Ras-related protein Rab-35

1

8

High-throughput

0.479

High

912673

RHOH
Rho-related GTP-binding protein RhoH

1

20

High-throughput

0.479

High

912675

OCLN
Occludin

1

3

High-throughput

0.479

High

912681

LTOR1
Ragulator complex protein LAMTOR1

1

4

High-throughput

0.479

High

912686

RHOU
Rho-related GTP-binding protein RhoU

1

20

High-throughput

0.479

High

912695

CXD3
Gap junction delta-3 protein

1

7

High-throughput

0.479

High

912715

RHOJ
Rho-related GTP-binding protein RhoJ

1

20

High-throughput

0.479

High

912716

RHOF
Rho-related GTP-binding protein RhoF

1

20

High-throughput

0.479

High

912729

LAMP3
Lysosome-associated membrane glycoprotein 3

1

13

High-throughput

0.479

High

270634

ATP9A
Probable phospholipid-transporting ATPase IIA

1

7

High-throughput

0.445

High

320441

TM63A
Mechanosensitive cation channel TMEM63A

1

1

High-throughput

0.445

High

467246

MDR1
ATP-dependent translocase ABCB1

1

4

High-throughput

0.445

High

648269

ENPP1
Ectonucleotide pyrophosphatase/phosphodiesterase family member 1

1

4

High-throughput

0.445

High

800467

VATA
V-type proton ATPase catalytic subunit A

1

2

High-throughput

0.445

High

912646

CA2D1
Voltage-dependent calcium channel subunit alpha-2/delta-1

1

1

High-throughput

0.445

High

912647

AT1B3
Sodium/potassium-transporting ATPase subunit beta-3

1

4

High-throughput

0.445

High

912663

NOTC2
Neurogenic locus notch homolog protein 2

1

6

High-throughput

0.445

High

912668

LMAN2
Vesicular integral-membrane protein VIP36

1

4

High-throughput

0.445

High

912685

QSOX2
Sulfhydryl oxidase 2

1

3

High-throughput

0.445

High

912693

AN13A
Ankyrin repeat domain-containing protein 13A

1

6

High-throughput

0.445

High

912697

AT11C
Phospholipid-transporting ATPase IG

1

7

High-throughput

0.445

High

912698

RAI3
Retinoic acid-induced protein 3

1

2

High-throughput

0.445

High

912703

VPP1
V-type proton ATPase 116 kDa subunit a 1

1

5

High-throughput

0.445

High

912710

TMM43
Transmembrane protein 43

1

4

High-throughput

0.445

High

912718

WDR6
tRNA

1

2

High-throughput

0.445

High

912721

CC50A
Cell cycle control protein 50A

1

2

High-throughput

0.445

High

912728

ABCG2
Broad substrate specificity ATP-binding cassette transporter ABCG2

1

6

High-throughput

0.445

High

912731

AT11B
Phospholipid-transporting ATPase IF

1

7

High-throughput

0.445

High

912732

VPP2
V-type proton ATPase 116 kDa subunit a 2

1

5

High-throughput

0.445

High

327202

ZFPL1
Zinc finger protein-like 1

1

4

High-throughput

0.437

High

630735

RAB4A
Ras-related protein Rab-4A

1

16

High-throughput

0.437

High

912651

RAB2A
Ras-related protein Rab-2A

1

16

High-throughput

0.437

High

912656

RB11A
Ras-related protein Rab-11A

1

3

High-throughput

0.437

High

912690

TMM17
Transmembrane protein 17

1

5

High-throughput

0.437

High

912699

RN128
E3 ubiquitin-protein ligase RNF128

1

9

High-throughput

0.437

High

912704

CK052
Uncharacterized protein C11orf52

1

2

High-throughput

0.437

High

912709

SEC62
Translocation protein SEC62

1

3

High-throughput

0.437

High

912723

B3GA1
Galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase 1

1

6

High-throughput

0.437

High

764287

CTNA1
Catenin alpha-1

1

0

High-throughput

0.426

High

912702

ASM3B
Acid sphingomyelinase-like phosphodiesterase 3b

1

0

High-throughput

0.426

High

912708

MYADM
Myeloid-associated differentiation marker

1

0

High-throughput

0.426

High

165551

SCAM3
Secretory carrier-associated membrane protein 3

1

5

High-throughput

0.407

High

168214

HAT1
Histone acetyltransferase type B catalytic subunit

1

1

High-throughput

0.407

High

469038

SRPRA
Signal recognition particle receptor subunit alpha

1

4

High-throughput

0.407

High

536245

PPAL
Lysosomal acid phosphatase

1

2

High-throughput

0.407

High

912648

UB2G2
Ubiquitin-conjugating enzyme E2 G2

1

5

High-throughput

0.407

High

912679

MANEL
Glycoprotein endo-alpha-1,2-mannosidase-like protein

1

1

High-throughput

0.407

High

912687

HS2ST
Heparan sulfate 2-O-sulfotransferase 1

1

4

High-throughput

0.407

High

912688

MAVS
Mitochondrial antiviral-signaling protein

1

3

High-throughput

0.407

High

912691

LMTK2
Serine/threonine-protein kinase LMTK2

1

20

High-throughput

0.407

High

912692

K2013
Uncharacterized protein KIAA2013

1

2

High-throughput

0.407

High

912694

VKORL
Vitamin K epoxide reductase complex subunit 1-like protein 1

1

2

High-throughput

0.407

High

912706

YIPF6
Protein YIPF6

1

6

High-throughput

0.407

High

912717

SEC12
Guanine nucleotide-exchange factor SEC12

1

5

High-throughput

0.407

High

912719

VPS45
Vacuolar protein sorting-associated protein 45

1

9

High-throughput

0.407

High

912720

PLCD
1-acyl-sn-glycerol-3-phosphate acyltransferase delta

1

7

High-throughput

0.407

High

912726

PCYOX
Prenylcysteine oxidase 1

1

1

High-throughput

0.407

High

912727

TMCO1
Calcium load-activated calcium channel

1

3

High-throughput

0.407

High

912733

AUP1
Lipid droplet-regulating VLDL assembly factor AUP1

1

2

High-throughput

0.407

High

186469

VA0E1
V-type proton ATPase subunit e 1

2

0

High-throughput

0.328

High

912678

ZFY27
Protrudin

2

0

High-throughput

0.328

High

912666

SNF5
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily B member 1

1

0

High-throughput

0.279

Low

912682

CK087
Uncharacterized protein C11orf87

1

0

High-throughput

0.279

Low

912683

NIPA3
Magnesium transporter NIPA3

1

0

High-throughput

0.279

Low

550935

PCNA
Proliferating cell nuclear antigen

1

0

High-throughput

0.249

Low

912700

TM171
Transmembrane protein 171

1

0

High-throughput

0.249

Low

912665

TF3C1
General transcription factor 3C polypeptide 1

1

0

High-throughput

0.232

Low

912670

NDK3
Nucleoside diphosphate kinase 3

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025