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Protein

Cyclin-dependent kinase B2-1

Gene

CDKB2-1

Organism
Oryza sativa subsp. japonica (Rice)
Status
Reviewed-Annotation score: Annotation score: 5 out of 5-Experimental evidence at protein leveli

Functioni

Forms a complex with CYCB2-1 or CYCB2-2 that activates CDK kinase in tobacco BY2 cells during G2/M (mitosis) phases. May be involved in the regulation of the cell cycle at the G2/M transition.2 Publications

Catalytic activityi

ATP + a protein = ADP + a phosphoprotein.
ATP + [DNA-directed RNA polymerase] = ADP + [DNA-directed RNA polymerase] phosphate.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei57ATPPROSITE-ProRule annotation1
Active sitei159Proton acceptorPROSITE-ProRule annotation1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi34 – 42ATPPROSITE-ProRule annotation9

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Kinase, Serine/threonine-protein kinase, Transferase

Keywords - Biological processi

Cell cycle, Cell division, Mitosis

Keywords - Ligandi

ATP-binding, Nucleotide-binding

Enzyme and pathway databases

ReactomeiR-OSA-3214858. RMTs methylate histone arginines.
R-OSA-69229. Ubiquitin-dependent degradation of Cyclin D1.

Names & Taxonomyi

Protein namesi
Recommended name:
Cyclin-dependent kinase B2-1 (EC:2.7.11.22, EC:2.7.11.23)
Short name:
CDKB2;1
Short name:
CDKB;2
Alternative name(s):
CDC2Os-3
Gene namesi
Name:CDKB2-1
Synonyms:SS224
Ordered Locus Names:Os08g0512600, LOC_Os08g40170
ORF Names:OsJ_27911Imported, P0711H09.13
OrganismiOryza sativa subsp. japonica (Rice)
Taxonomic identifieri39947 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaeBOP cladeOryzoideaeOryzeaeOryzinaeOryza
Proteomesi
  • UP000059680 Componenti: Chromosome 8

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm, Cytoskeleton, Nucleus

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002960991 – 326Cyclin-dependent kinase B2-1Add BLAST326

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei38PhosphothreonineBy similarity1
Modified residuei39PhosphotyrosineBy similarity1
Modified residuei193PhosphothreonineBy similarity1

Keywords - PTMi

Phosphoprotein

Proteomic databases

PaxDbiQ0J4I1.

Expressioni

Tissue specificityi

Expressed in the dividing region of the root apex and the intercalary meristem of internodes.2 Publications

Developmental stagei

Expressed in the G2/M phases.2 Publications

Inductioni

By cytokinin, gibberellin (GA3) and submergence. Down-regulated by the replication blocking agent hydroxyurea.3 Publications

Gene expression databases

GenevisibleiQ0J4I1. OS.

Interactioni

Subunit structurei

Interacts with CYCB2-1 and CYCB2-2. Binding to CYCB2-1 or CYCB2-2 activates CDK kinase.1 Publication

Protein-protein interaction databases

STRINGi39947.LOC_Os08g40170.1.

Structurei

3D structure databases

ProteinModelPortaliQ0J4I1.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini28 – 318Protein kinasePROSITE-ProRule annotationAdd BLAST291

Sequence similaritiesi

Contains 1 protein kinase domain.PROSITE-ProRule annotation

Phylogenomic databases

eggNOGiKOG0594. Eukaryota.
ENOG410XPP3. LUCA.
HOGENOMiHOG000233024.
InParanoidiQ0J4I1.
KOiK07760.
OMAiAGQNIPQ.
OrthoDBiEOG09360F64.

Family and domain databases

InterProiIPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR008271. Ser/Thr_kinase_AS.
[Graphical view]
PfamiPF00069. Pkinase. 1 hit.
[Graphical view]
SMARTiSM00220. S_TKc. 1 hit.
[Graphical view]
SUPFAMiSSF56112. SSF56112. 1 hit.
PROSITEiPS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q0J4I1-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAALHHQAAA APVTTTTDGG ELRAMDLYEK LEKVGEGTYG KVYKAREKAT
60 70 80 90 100
GRIVALKKTR LPEDDEGVPP TALREVSLLR MLSQDSHVVR LLDLKQGQNK
110 120 130 140 150
EGQTILYLVF EYMDTDLKKF IRAHRQNLQK IPVPTVKILM YQLCKGVAFC
160 170 180 190 200
HGRGVLHRDL KPHNLLMDRK TMALKIADLG LSRSFTVPLK KYTHEILTLW
210 220 230 240 250
YRAPEVLLGA AHYSTPVDIW SVGCIFAELA TNQPLFAGDS EVQQLLHIFK
260 270 280 290 300
LLGTPNEQVW PGVSKLPNWH EYPQWNPSKV SDLVHGLDAD ALDLLEKMLQ
310 320
YEPSKRISAK KAMEHPYFND VNKELY
Length:326
Mass (Da):36,977
Last modified:October 3, 2006 - v1
Checksum:iDC539454B81481EE
GO

Sequence cautioni

The sequence BAA19553 differs from that shown. Reason: Erroneous initiation.Curated
The sequence BAD10065 differs from that shown. Reason: Erroneous initiation.Curated

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti29E → G in AK059682 (PubMed:12869764).Curated1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AP004765 Genomic DNA. Translation: BAD10065.1. Different initiation.
AP008214 Genomic DNA. Translation: BAF24134.1.
AP014964 Genomic DNA. Translation: BAT06213.1.
CM000145 Genomic DNA. Translation: EEE68985.1.
AK059682 mRNA. No translation available.
D64036 mRNA. Translation: BAA19553.1. Different initiation.
PIRiT04109.
RefSeqiXP_015648777.1. XM_015793291.1.
UniGeneiOs.5060.

Genome annotation databases

EnsemblPlantsiOS08T0512600-01; OS08T0512600-01; OS08G0512600.
GeneIDi4346016.
GrameneiOS08T0512600-01; OS08T0512600-01; OS08G0512600.
KEGGiosa:4346016.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AP004765 Genomic DNA. Translation: BAD10065.1. Different initiation.
AP008214 Genomic DNA. Translation: BAF24134.1.
AP014964 Genomic DNA. Translation: BAT06213.1.
CM000145 Genomic DNA. Translation: EEE68985.1.
AK059682 mRNA. No translation available.
D64036 mRNA. Translation: BAA19553.1. Different initiation.
PIRiT04109.
RefSeqiXP_015648777.1. XM_015793291.1.
UniGeneiOs.5060.

3D structure databases

ProteinModelPortaliQ0J4I1.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi39947.LOC_Os08g40170.1.

Proteomic databases

PaxDbiQ0J4I1.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblPlantsiOS08T0512600-01; OS08T0512600-01; OS08G0512600.
GeneIDi4346016.
GrameneiOS08T0512600-01; OS08T0512600-01; OS08G0512600.
KEGGiosa:4346016.

Phylogenomic databases

eggNOGiKOG0594. Eukaryota.
ENOG410XPP3. LUCA.
HOGENOMiHOG000233024.
InParanoidiQ0J4I1.
KOiK07760.
OMAiAGQNIPQ.
OrthoDBiEOG09360F64.

Enzyme and pathway databases

ReactomeiR-OSA-3214858. RMTs methylate histone arginines.
R-OSA-69229. Ubiquitin-dependent degradation of Cyclin D1.

Gene expression databases

GenevisibleiQ0J4I1. OS.

Family and domain databases

InterProiIPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR008271. Ser/Thr_kinase_AS.
[Graphical view]
PfamiPF00069. Pkinase. 1 hit.
[Graphical view]
SMARTiSM00220. S_TKc. 1 hit.
[Graphical view]
SUPFAMiSSF56112. SSF56112. 1 hit.
PROSITEiPS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiCKB21_ORYSJ
AccessioniPrimary (citable) accession number: Q0J4I1
Secondary accession number(s): B9G1R8, Q40734, Q6Z8N6
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 24, 2007
Last sequence update: October 3, 2006
Last modified: November 30, 2016
This is version 82 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Oryza sativa (rice)
    Index of Oryza sativa entries and their corresponding gene designations
  2. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.