ID CDC2_VIGUN Reviewed; 294 AA.
AC P52389;
DT 01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-1996, sequence version 1.
DT 08-NOV-2023, entry version 107.
DE RecName: Full=Cell division control protein 2 homolog;
DE EC=2.7.11.22;
DE EC=2.7.11.23;
DE AltName: Full=p34cdc2;
GN Name=CDC2;
OS Vigna unguiculata (Cowpea).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade;
OC NPAAA clade; indigoferoid/millettioid clade; Phaseoleae; Vigna.
OX NCBI_TaxID=3917;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA].
RC STRAIN=cv. Red Caloona; TISSUE=Root hair;
RA Krause A., el Kouaissi R., Broughton W.J.;
RT "A cDNA from Vigna unguiculata encoding the protein kinase p34cdc2.";
RL (er) Plant Gene Register PGR95-076(1995).
CC -!- FUNCTION: Plays a key role in the control of the eukaryotic cell cycle.
CC Component of the kinase complex that phosphorylates the repetitive C-
CC terminus of RNA polymerase II.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + L-seryl-[protein] = ADP + H(+) + O-phospho-L-seryl-
CC [protein]; Xref=Rhea:RHEA:17989, Rhea:RHEA-COMP:9863, Rhea:RHEA-
CC COMP:11604, ChEBI:CHEBI:15378, ChEBI:CHEBI:29999, ChEBI:CHEBI:30616,
CC ChEBI:CHEBI:83421, ChEBI:CHEBI:456216; EC=2.7.11.22;
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + L-threonyl-[protein] = ADP + H(+) + O-phospho-L-
CC threonyl-[protein]; Xref=Rhea:RHEA:46608, Rhea:RHEA-COMP:11060,
CC Rhea:RHEA-COMP:11605, ChEBI:CHEBI:15378, ChEBI:CHEBI:30013,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:61977, ChEBI:CHEBI:456216;
CC EC=2.7.11.22;
CC -!- CATALYTIC ACTIVITY:
CC Reaction=[DNA-directed RNA polymerase] + ATP = ADP + H(+) + phospho-
CC [DNA-directed RNA polymerase]; Xref=Rhea:RHEA:10216, Rhea:RHEA-
CC COMP:11321, Rhea:RHEA-COMP:11322, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:43176, ChEBI:CHEBI:68546,
CC ChEBI:CHEBI:456216; EC=2.7.11.23;
CC -!- ACTIVITY REGULATION: Phosphorylation at Thr-14 or Tyr-15 inactivates
CC the enzyme, while phosphorylation at Thr-161 activates it.
CC {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the protein kinase superfamily. CMGC Ser/Thr
CC protein kinase family. CDC2/CDKX subfamily. {ECO:0000305}.
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DR EMBL; X89400; CAA61581.1; -; mRNA.
DR PIR; S57928; S57928.
DR AlphaFoldDB; P52389; -.
DR SMR; P52389; -.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0004693; F:cyclin-dependent protein serine/threonine kinase activity; IEA:UniProtKB-EC.
DR GO; GO:0106310; F:protein serine kinase activity; IEA:RHEA.
DR GO; GO:0008353; F:RNA polymerase II CTD heptapeptide repeat kinase activity; IEA:UniProtKB-EC.
DR GO; GO:0007049; P:cell cycle; IEA:UniProtKB-KW.
DR GO; GO:0051301; P:cell division; IEA:UniProtKB-KW.
DR GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR CDD; cd07835; STKc_CDK1_CdkB_like; 1.
DR Gene3D; 1.10.510.10; Transferase(Phosphotransferase) domain 1; 1.
DR InterPro; IPR011009; Kinase-like_dom_sf.
DR InterPro; IPR000719; Prot_kinase_dom.
DR InterPro; IPR017441; Protein_kinase_ATP_BS.
DR InterPro; IPR008271; Ser/Thr_kinase_AS.
DR PANTHER; PTHR24056; CELL DIVISION PROTEIN KINASE; 1.
DR PANTHER; PTHR24056:SF548; CYCLIN-DEPENDENT KINASE A-1; 1.
DR Pfam; PF00069; Pkinase; 1.
DR SMART; SM00220; S_TKc; 1.
DR SUPFAM; SSF56112; Protein kinase-like (PK-like); 1.
DR PROSITE; PS00107; PROTEIN_KINASE_ATP; 1.
DR PROSITE; PS50011; PROTEIN_KINASE_DOM; 1.
DR PROSITE; PS00108; PROTEIN_KINASE_ST; 1.
PE 2: Evidence at transcript level;
KW ATP-binding; Cell cycle; Cell division; Kinase; Mitosis;
KW Nucleotide-binding; Phosphoprotein; Serine/threonine-protein kinase;
KW Transferase.
FT CHAIN 1..294
FT /note="Cell division control protein 2 homolog"
FT /id="PRO_0000085761"
FT DOMAIN 4..287
FT /note="Protein kinase"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT ACT_SITE 127
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00159,
FT ECO:0000255|PROSITE-ProRule:PRU10027"
FT BINDING 10..18
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT BINDING 33
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT MOD_RES 14
FT /note="Phosphothreonine"
FT /evidence="ECO:0000250"
FT MOD_RES 15
FT /note="Phosphotyrosine"
FT /evidence="ECO:0000250"
FT MOD_RES 161
FT /note="Phosphothreonine; by CAK"
FT /evidence="ECO:0000250"
SQ SEQUENCE 294 AA; 34000 MW; 7125CEDCD6E3E360 CRC64;
MEQYEKVEKI GEGTYGVVYK ARDRVTDETI ALKKIRLEQE DEGVPSTAIR EISLLKEMQH
RNIVRLQDVV HSEKRLYLVF EYLDLDLKKH MDSSPEFVKD PRQVKMFLYQ ILCGIAYCHS
HRVLHRDLKP QNLLIDRRTN SLKLADFGLA RAFGIPVRTF THEVVTLWYR APEILLGSRH
YSTPVDVWSV GCLFAEMVNR RPLFPGDSEI DELFKIFRIL GTPNEETWPG VTALPDFKST
FPKWPPKDLA TMVPNLDAAG LNLLSSMLSL DPSKRITARI AVEHEYFKDI KFVP
//
