Protein: CKB21
Cyclin-dependent kinase B2-1 (CDKB2;1) (EC 2.7.11.22) (EC 2.7.11.23)

Gene: CKB21, CDKB2-1
Organism: Arabidopsis thaliana
Interactions: 41
UniProt ID: Q8LF80

Gene Ontology (top 5):
GO:0000086 - G2/M transition of mitotic cell cycle
GO:0000307 - cyclin-dependent protein kinase holoenzyme complex
GO:0004693 - cyclin-dependent protein serine/threonine kinase activity
GO:0005524 - ATP binding
GO:0008353 - RNA polymerase II CTD heptapeptide repeat kinase activity

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

200105

CKS1
Cyclin-dependent kinases regulatory subunit 1

6

20

Small-scale

0.847

High

1132488

CCA22
Cyclin-A2-2

2

20

Small-scale

0.781

High

663885

CDKA1
Cyclin-dependent kinase A-1

2

17

Small-scale

0.743

High

1320092

CCD41
Cyclin-D4-1

2

20

Small-scale

0.731

High

1320106

CKS2
Cyclin-dependent kinases regulatory subunit 2

2

20

High-throughput

0.710

High

718224

CCB11
Cyclin-B1-1

2

20

High-throughput

0.700

High

842137

CCD21
Cyclin-D2-1

2

20

Small-scale

0.699

High

1082157

CCD42
Cyclin-D4-2

2

20

Small-scale

0.677

High

1183338

MPK1
Mitogen-activated protein kinase 1

1

18

High-throughput

0.647

High

1183810

MPK5
Mitogen-activated protein kinase 5

1

9

High-throughput

0.647

High

305931

CDKF1
Cyclin-dependent kinase F-1

1

19

High-throughput

0.621

High

683001

CKB11
Cyclin-dependent kinase B1-1

1

18

High-throughput

0.621

High

1180602

CKB12
Cyclin-dependent kinase B1-2

1

18

High-throughput

0.621

High

1181736

CCA23
Cyclin-A2-3

1

20

High-throughput

0.621

High

1320091

CKB21
Cyclin-dependent kinase B2-1

1

18

High-throughput

0.621

High

1320096

CCA24
Cyclin-A2-4

1

20

High-throughput

0.621

High

1320103

CCB31
Putative cyclin-B3-1

1

20

High-throughput

0.621

High

842122

CCD11
Cyclin-D1-1

1

20

Small-scale

0.609

High

842164

CCD31
Cyclin-D3-1

1

20

Small-scale

0.609

High

1184296

CCB21
Cyclin-B2-1

1

20

Small-scale

0.609

High

1320100

CCU11
Cyclin-U1-1

1

20

Small-scale

0.608

High

1180564

CCD51
Cyclin-D5-1

1

20

High-throughput

0.595

High

1227865

KRP1
Cyclin-dependent kinase inhibitor 1

1

20

High-throughput

0.595

High

1081990

KRP6
Cyclin-dependent kinase inhibitor 6

1

20

High-throughput

0.555

High

1184282

CCB12
Cyclin-B1-2

1

20

High-throughput

0.555

High

1184321

CCA21
Cyclin-A2-1

1

20

High-throughput

0.555

High

1185684

CCA34
Cyclin-A3-4

1

20

High-throughput

0.555

High

1300127

KRP4
Cyclin-dependent kinase inhibitor 4

1

20

High-throughput

0.555

High

1320093

CCH11
Cyclin-H1-1

1

20

High-throughput

0.555

High

1320094

KRP7
Cyclin-dependent kinase inhibitor 7

1

20

High-throughput

0.555

High

1320095

CCA11
Cyclin-A1-1

1

20

High-throughput

0.555

High

1320097

CCD32
Cyclin-D3-2

1

20

High-throughput

0.555

High

1320098

CCA31
Putative cyclin-A3-1

1

20

High-throughput

0.555

High

1320105

KRP2
Cyclin-dependent kinase inhibitor 2

1

3

High-throughput

0.555

High

1320107

CCD61
Putative cyclin-D6-1

1

20

High-throughput

0.555

High

146212

PS6AB
26S proteasome regulatory subunit 6A homolog B

1

6

High-throughput

0.536

High

1320101

CSLC4
Xyloglucan glycosyltransferase 4

1

2

High-throughput

0.494

High

1320102

P24B2
Transmembrane emp24 domain-containing protein p24beta2

1

3

High-throughput

0.494

High

1320099

DPB
Transcription factor-like protein DPB

1

7

High-throughput

0.439

High

1320104

FB199
Putative F-box protein At3g49520

1

0

High-throughput

0.279

Low


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Last updated: 11Aug2025