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Protein

Cell division control protein 2 homolog 2

Gene

CDC2B

Organism
Medicago sativa (Alfalfa)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Experimental evidence at transcript leveli

Functioni

Plays a key role in the control of the eukaryotic cell cycle. Component of the kinase complex that phosphorylates the repetitive C-terminus of RNA polymerase II.

Catalytic activityi

ATP + a protein = ADP + a phosphoprotein.

Enzyme regulationi

Phosphorylation at Thr-14 or Tyr-15 inactivates the enzyme, while phosphorylation at Thr-161 activates it.By similarity

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei33ATPPROSITE-ProRule annotation1
Active sitei127Proton acceptorPROSITE-ProRule annotation1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi10 – 18ATPPROSITE-ProRule annotation9

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionKinase, Serine/threonine-protein kinase, Transferase
Biological processCell cycle, Cell division, Mitosis
LigandATP-binding, Nucleotide-binding

Enzyme and pathway databases

BRENDAi2.7.11.22. 3078.

Names & Taxonomyi

Protein namesi
Recommended name:
Cell division control protein 2 homolog 2 (EC:2.7.11.22)
Gene namesi
Name:CDC2B
OrganismiMedicago sativa (Alfalfa)
Taxonomic identifieri3879 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsfabidsFabalesFabaceaePapilionoideaeTrifolieaeMedicago

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00000857541 – 294Cell division control protein 2 homolog 2Add BLAST294

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei14PhosphothreonineBy similarity1
Modified residuei15PhosphotyrosineBy similarity1
Modified residuei161Phosphothreonine; by CAKBy similarity1

Keywords - PTMi

Phosphoprotein

Proteomic databases

PRIDEiQ05006.

Expressioni

Tissue specificityi

Found in most organs including root, young leaf, stem, vegetative meristem and flower bud.

Structurei

3D structure databases

ProteinModelPortaliQ05006.
SMRiQ05006.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini4 – 287Protein kinasePROSITE-ProRule annotationAdd BLAST284

Sequence similaritiesi

Family and domain databases

InterProiView protein in InterPro
IPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR008271. Ser/Thr_kinase_AS.
PfamiView protein in Pfam
PF00069. Pkinase. 1 hit.
SMARTiView protein in SMART
SM00220. S_TKc. 1 hit.
SUPFAMiSSF56112. SSF56112. 1 hit.
PROSITEiView protein in PROSITE
PS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.

Sequencei

Sequence statusi: Complete.

Q05006-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MEQYEKVEKI GEGTYGVVYK ARDRATNETI ALKKIRLEQE DEGVPSTAIR
60 70 80 90 100
EISLLKEMQH RNIVRLQDVV HSEKRLYLVF EYLDLDLKKF MDSSPEFAKD
110 120 130 140 150
QRQIKMFLYQ ILCGIAYCHS HRVLHRDLKP QNLLIDRSSN AVKLADFGLA
160 170 180 190 200
RAFGIPVRTF THEVVTLWYR APEILLGSRH YSTPVDVWSV GCIFAEMINQ
210 220 230 240 250
RPLFPGDSEI DELFKIFRIT GTPNEETWPG VTSLPDFKSA FPKWPAKDLA
260 270 280 290
TQVPNLEPAG LDLLSSTCRL DPTRRITARG ALEHEYFKDI KFVP
Length:294
Mass (Da):33,886
Last modified:February 1, 1994 - v1
Checksum:iC2E5D6A67AAF2C3D
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X70707 mRNA. Translation: CAA50038.1.
PIRiS31332.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X70707 mRNA. Translation: CAA50038.1.
PIRiS31332.

3D structure databases

ProteinModelPortaliQ05006.
SMRiQ05006.
ModBaseiSearch...
MobiDBiSearch...

Proteomic databases

PRIDEiQ05006.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Enzyme and pathway databases

BRENDAi2.7.11.22. 3078.

Family and domain databases

InterProiView protein in InterPro
IPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR008271. Ser/Thr_kinase_AS.
PfamiView protein in Pfam
PF00069. Pkinase. 1 hit.
SMARTiView protein in SMART
SM00220. S_TKc. 1 hit.
SUPFAMiSSF56112. SSF56112. 1 hit.
PROSITEiView protein in PROSITE
PS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
ProtoNetiSearch...

Entry informationi

Entry nameiCDC22_MEDSA
AccessioniPrimary (citable) accession number: Q05006
Entry historyiIntegrated into UniProtKB/Swiss-Prot: February 1, 1994
Last sequence update: February 1, 1994
Last modified: June 7, 2017
This is version 86 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Documents

  1. 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.