Protein: CDN1B
Cyclin-dependent kinase inhibitor 1B (Cyclin-dependent kinase inhibitor p27) (p27Kip1)

Gene: CDN1B, CDKN1B
Organism: Homo sapiens
Interactions: 140
UniProt ID: P46527

Gene Ontology (top 5):
GO:0000079 - regulation of cyclin-dependent protein serine/threonine kinase activity
GO:0000082 - G1/S transition of mitotic cell cycle
GO:0001890 - placenta development
GO:0004860 - protein kinase inhibitor activity
GO:0004861 - cyclin-dependent protein serine/threonine kinase inhibitor activity

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

667621

CDK2
Cyclin-dependent kinase 2

59

20

Small-scale

0.997

High

549088

CDK4
Cyclin-dependent kinase 4

31

20

Small-scale

0.993

High

666961

CCNE1
G1/S-specific cyclin-E1

25

20

Small-scale

0.991

High

664675

CCND1
G1/S-specific cyclin-D1

21

20

Small-scale

0.988

High

629078

CCNA2
Cyclin-A2

17

15

Small-scale

0.987

High

857311

CDK5
Cyclin-dependent kinase 5

11

20

Small-scale

0.983

High

718871

CCND3
G1/S-specific cyclin-D3

12

20

Small-scale

0.981

High

443254

CDK1
Cyclin-dependent kinase 1

11

20

Small-scale

0.979

High

857310

CDK6
Cyclin-dependent kinase 6

9

20

Small-scale

0.970

High

857308

CCNA1
Cyclin-A1

8

15

Small-scale

0.968

High

718778

CCND2
G1/S-specific cyclin-D2

6

20

Small-scale

0.952

High

573772

CCNB1
G2/mitotic-specific cyclin-B1

6

15

Small-scale

0.948

High

728101

AKT1
RAC-alpha serine/threonine-protein kinase

4

8

Small-scale

0.914

High

355339

CCNE2
G1/S-specific cyclin-E2

4

20

Small-scale

0.910

High

857309

CDK3
Cyclin-dependent kinase 3

4

20

High-throughput

0.903

High

857288

CDK7
Cyclin-dependent kinase 7

3

20

Small-scale

0.861

High

325473

CCNB2
G2/mitotic-specific cyclin-B2

2

15

High-throughput

0.811

High

857312

CDK16
Cyclin-dependent kinase 16

2

20

High-throughput

0.811

High

857331

KS6A1
Ribosomal protein S6 kinase alpha-1

1

8

Small-scale

0.770

High

857325

SKP2
S-phase kinase-associated protein 2

33

7

Small-scale

0.769

High

857350

CSN5
COP9 signalosome complex subunit 5

11

2

Small-scale

0.756

High

857295

CKS1
Cyclin-dependent kinases regulatory subunit 1

6

3

Small-scale

0.731

High

853619

MK08
Mitogen-activated protein kinase 8

1

15

Small-scale

0.724

High

857329

KCC1A
Calcium/calmodulin-dependent protein kinase type 1

1

1

Small-scale

0.724

High

857336

SPDYA
Speedy protein A

5

2

Small-scale

0.716

High

122930

SGK1
Serine/threonine-protein kinase Sgk1

1

6

Small-scale

0.710

High

690815

1433T
14-3-3 protein theta

4

8

Small-scale

0.696

High

322095

CDK14
Cyclin-dependent kinase 14

1

20

High-throughput

0.691

High

651120

CCNO
Cyclin-O

1

20

High-throughput

0.691

High

857313

CDK17
Cyclin-dependent kinase 17

1

20

High-throughput

0.691

High

857346

CCNB3
G2/mitotic-specific cyclin-B3

1

17

High-throughput

0.691

High

857328

CUL4A
Cullin-4A

4

6

Small-scale

0.676

High

857327

CUL1
Cullin-1

4

6

Small-scale

0.674

High

857322

TRAF2
TNF receptor-associated factor 2

3

6

High-throughput

0.664

High

172552

XPO1
Exportin-1

4

0

Small-scale

0.662

High

729667

1433B
14-3-3 protein beta/alpha

3

8

Small-scale

0.655

High

857293

MK10
Mitogen-activated protein kinase 10

1

12

Small-scale

0.647

High

857286

UB2R1
Ubiquitin-conjugating enzyme E2 R1

3

3

Small-scale

0.639

High

857298

1433E
14-3-3 protein epsilon

3

0

Small-scale

0.636

High

857296

RHOA
Transforming protein RhoA

2

1

Small-scale

0.634

High

753907

CKS2
Cyclin-dependent kinases regulatory subunit 2

2

3

High-throughput

0.628

High

540996

PIM1
Serine/threonine-protein kinase pim-1

1

9

Small-scale

0.618

High

857301

GRB2
Growth factor receptor-bound protein 2

2

5

Small-scale

0.613

High

857287

TSC2
Tuberin

2

3

Small-scale

0.612

High

179032

IMA6
Importin subunit alpha-6

2

8

Small-scale

0.611

High

857334

MTUS2
Microtubule-associated tumor suppressor candidate 2

2

1

High-throughput

0.606

High

857354

ZN363
RING finger and CHY zinc finger domain-containing protein 1

2

0

Small-scale

0.598

High

463393

LYN
Tyrosine-protein kinase Lyn

1

4

Small-scale

0.597

High

857305

UBC9
SUMO-conjugating enzyme UBC9

2

5

Small-scale

0.595

High

857337

RN123
E3 ubiquitin-protein ligase RNF123

2

3

Small-scale

0.595

High

557167

SRC
Proto-oncogene tyrosine-protein kinase Src

1

4

Small-scale

0.586

High

857366

ARI1
E3 ubiquitin-protein ligase ARIH1

2

4

Small-scale

0.585

High

857317

1433F
14-3-3 protein eta

2

8

Small-scale

0.584

High

756120

MCM7
DNA replication licensing factor MCM7

1

3

Small-scale

0.582

High

253322

JAK2
Tyrosine-protein kinase JAK2

1

7

Small-scale

0.578

High

857344

COP1
E3 ubiquitin-protein ligase COP1

1

3

Small-scale

0.578

High

857348

KAT2B
Histone acetyltransferase KAT2B

1

1

Small-scale

0.578

High

857359

WWP1
NEDD4-like E3 ubiquitin-protein ligase WWP1

1

2

Small-scale

0.578

High

857365

RNF6
E3 ubiquitin-protein ligase RNF6

1

1

Small-scale

0.578

High

177821

IKKA
Inhibitor of nuclear factor kappa-B kinase subunit alpha

1

10

Small-scale

0.575

High

857300

RBX1
E3 ubiquitin-protein ligase RBX1

2

0

Small-scale

0.569

High

253595

IMA7
Importin subunit alpha-7

1

8

Small-scale

0.561

High

857291

IMA5
Importin subunit alpha-5

1

8

Small-scale

0.561

High

857318

UBE3A
Ubiquitin-protein ligase E3A

1

4

Small-scale

0.561

High

633621

PSB1
Proteasome subunit beta type-1

1

0

Small-scale

0.554

High

822509

VHL
von Hippel-Lindau disease tumor suppressor

1

2

Small-scale

0.552

High

857326

PIN1
Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1

1

0

Small-scale

0.537

High

857341

SIR6
NAD-dependent protein deacylase sirtuin-6

1

0

Small-scale

0.537

High

857358

GNL3
Guanine nucleotide-binding protein-like 3

1

0

Small-scale

0.537

High

130400

SPT5H
Transcription elongation factor SPT5

1

1

High-throughput

0.536

High

765224

BMI1
Polycomb complex protein BMI-1

1

4

High-throughput

0.536

High

857352

ARL11
ADP-ribosylation factor-like protein 11

1

1

High-throughput

0.536

High

857356

CAB45
45 kDa calcium-binding protein

1

1

High-throughput

0.536

High

371417

MYC
Myc proto-oncogene protein

1

0

Small-scale

0.529

High

857363

NUP50
Nuclear pore complex protein Nup50

1

1

Small-scale

0.527

High

533897

IRF1
Interferon regulatory factor 1

1

0

High-throughput

0.518

High

857292

GDIR1
Rho GDP-dissociation inhibitor 1

1

0

High-throughput

0.518

High

599561

STMN1
Stathmin

1

2

Small-scale

0.515

High

162804

NHRF1
Na(+)/H(+) exchange regulatory cofactor NHE-RF1

1

0

High-throughput

0.513

High

192210

YKT6
Synaptobrevin homolog YKT6

1

0

High-throughput

0.513

High

301860

CLPX
ATP-dependent clpX-like chaperone, mitochondrial

1

0

High-throughput

0.513

High

423749

APOD
Apolipoprotein D

1

0

High-throughput

0.513

High

552926

PIP
Prolactin-inducible protein

1

0

High-throughput

0.513

High

857314

TAGL
Transgelin

1

0

High-throughput

0.513

High

857353

PBIP1
Pre-B-cell leukemia transcription factor-interacting protein 1

1

0

High-throughput

0.513

High

142501

IMA3
Importin subunit alpha-3

1

8

Small-scale

0.501

High

362205

ABL1
Tyrosine-protein kinase ABL1

1

4

Small-scale

0.501

High

595341

H15
Histone H1.5

1

2

Small-scale

0.501

High

857299

UB2D2
Ubiquitin-conjugating enzyme E2 D2

1

2

Small-scale

0.501

High

857302

1433Z
14-3-3 protein zeta/delta

1

8

Small-scale

0.501

High

857303

UBE2B
Ubiquitin-conjugating enzyme E2 B

1

2

Small-scale

0.501

High

857306

UB2L3
Ubiquitin-conjugating enzyme E2 L3

1

2

Small-scale

0.501

High

857315

H11
Histone H1.1

1

2

Small-scale

0.501

High

138649

IMA4
Importin subunit alpha-4

1

8

Small-scale

0.500

High

857364

SCML2
Sex comb on midleg-like protein 2

1

1

Small-scale

0.500

High

488429

UCHL1
Ubiquitin carboxyl-terminal hydrolase isozyme L1

1

0

Small-scale

0.493

High

857285

RL27A
Large ribosomal subunit protein uL15

1

0

High-throughput

0.493

High

857347

TSC1
Hamartin

1

0

Small-scale

0.493

High

857342

BANP
Protein BANP

1

0

High-throughput

0.493

High

857362

THAP1
THAP domain-containing protein 1

1

0

High-throughput

0.493

High

857304

SKP1
S-phase kinase-associated protein 1

2

3

Small-scale

0.492

High

857355

DCR1C
Protein artemis

1

0

Small-scale

0.480

High

857357

UBAC1
Ubiquitin-associated domain-containing protein 1

1

0

Small-scale

0.480

High

131803

WWP2
NEDD4-like E3 ubiquitin-protein ligase WWP2

1

2

Small-scale

0.479

High

507661

UBC
Polyubiquitin-C [Cleaved into: Ubiquitin]

1

6

Small-scale

0.479

High

536702

HSP7C
Heat shock cognate 71 kDa protein

1

4

Small-scale

0.479

High

612923

EGR1
Early growth response protein 1

1

3

High-throughput

0.479

High

623171

RO52
E3 ubiquitin-protein ligase TRIM21

1

3

Small-scale

0.479

High

730436

1433S
14-3-3 protein sigma

1

8

Small-scale

0.479

High

857294

TERA
Transitional endoplasmic reticulum ATPase

1

1

High-throughput

0.479

High

857297

1433G
14-3-3 protein gamma

1

8

Small-scale

0.479

High

857307

RNF4
E3 ubiquitin-protein ligase RNF4

1

1

Small-scale

0.479

High

857319

ACK1
Activated CDC42 kinase 1

1

7

Small-scale

0.479

High

857320

EP300
Histone acetyltransferase p300

1

3

Small-scale

0.479

High

857321

CDC20
Cell division cycle protein 20 homolog

1

4

Small-scale

0.479

High

857323

PSMD2
26S proteasome non-ATPase regulatory subunit 2

1

1

Small-scale

0.479

High

857324

TIF1B
Transcription intermediary factor 1-beta

1

5

Small-scale

0.479

High

857330

CD5R1
Cyclin-dependent kinase 5 activator 1

1

1

Small-scale

0.479

High

857332

DDB1
DNA damage-binding protein 1

1

5

Small-scale

0.479

High

857333

UBE2S
Ubiquitin-conjugating enzyme E2 S

1

3

Small-scale

0.479

High

857335

SPDYC
Speedy protein C

1

2

Small-scale

0.479

High

857338

CSN6
COP9 signalosome complex subunit 6

1

1

Small-scale

0.479

High

857340

SIAH1
E3 ubiquitin-protein ligase SIAH1

1

1

Small-scale

0.479

High

857343

SPDE1
Speedy protein E1

1

2

Small-scale

0.479

High

857349

CELF1
CUGBP Elav-like family member 1

1

2

Small-scale

0.479

High

857361

CSN7B
COP9 signalosome complex subunit 7b

1

1

Small-scale

0.479

High

593047

CREB1
Cyclic AMP-responsive element-binding protein 1

1

0

High-throughput

0.458

High

857289

BAP31
B-cell receptor-associated protein 31

1

0

Small-scale

0.458

High

857316

PAX5
Paired box protein Pax-5

1

0

Small-scale

0.458

High

857339

UBP48
Ubiquitin carboxyl-terminal hydrolase 48

1

0

Small-scale

0.458

High

857345

DCAF4
DDB1- and CUL4-associated factor 4

1

0

High-throughput

0.458

High

857351

FBXW7
F-box/WD repeat-containing protein 7

1

0

High-throughput

0.458

High

857360

TXNIP
Thioredoxin-interacting protein

1

0

Small-scale

0.458

High

463016

YES
Tyrosine-protein kinase Yes

1

4

Small-scale

0.445

High

857290

IMA1
Importin subunit alpha-1

1

8

Small-scale

0.445

High

404720

PRIO
Major prion protein

1

0

High-throughput

0.426

High

529299

TAU
Microtubule-associated protein tau

1

0

High-throughput

0.426

High

281514

LRCH4
Leucine-rich repeat and calponin homology domain-containing protein 4

1

0

High-throughput

0.279

Low

624703

A1AG2
Alpha-1-acid glycoprotein 2

1

0

High-throughput

0.279

Low

105528

APRIO
Alternative prion protein

1

0

High-throughput

0.249

Low


Service provided by Combinatics, Japan

Last updated: 11Aug2025