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Human CDK4 Gene cDNA Clone (full-length ORF Clone)

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CDK4cDNA Clone Product Information
cDNA Size:912
cDNA Description:ORF Clone of Homo sapiens cyclin-dependent kinase 4 DNA.
Gene Synonym:CMM3, PSK-J3, MGC14458, CDK4
Vector:pMD18-T Simple Vector
Restriction Site:
Tag Sequence:
Sequence Description:Identical with the Gene Bank Ref. ID sequence.
Shipping_carrier:Each tube contains approximately 10 μg of lyophilized plasmid.
Storage:The lyophilized plasmid can be stored at ambient temperature for three months.
pMD18-T Simple Vector Information

pMD18-T Simple Vector is a high-efficiency TA cloning vector constructed from pUC18, of which the initial multiple cloning sites (MCS) were destroyed. Thus the cDNA should be amplified by PCR with primers containing a restriction site for subclone. Competent cells appropriate for pUC18 are also appropriated for the Vector, e.g. JM109, DH5α, TOP10. The pMD18-T Simple Vector is 2.6kb in size. Selection of the plasmid in E. coli is conferred by the ampicillin resistance gene. The coding sequence was inserted by TA cloning at site 425.

pMD18-T Simple Usage Suggestion

The coding sequence can be amplified by PCR with M13-47 and RV-M primers.

Vector Sequence Download
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CDK4 is a member of the Ser/Thr protein kinase family. It is highly similar to the gene products of S. cerevisiae cdc28 and S. pombe cdc2. It is a catalytic subunit of the protein kinase complex that is important for cell cycle G1 phase progression. The activity of CDK4 is restricted to the G1-S phase, which is controlled by the regulatory subunits D-type cyclins and CDK inhibitor p16(INK4a). CDK4 was shown to be responsible for the phosphorylation of retinoblastoma gene product. CDK4 is the ser/Thr-kinase component of cyclin D-CDK4 (DC) complexes that phosphorylate and inhibit members of the retinoblastoma (RB) protein family including RB1 and regulate the cell-cycle during G(1)/S transition. Phosphorylation of RB1 allows dissociation of the transcription factor E2F from the RB/E2F complexes and the subsequent transcription of E2F target genes which are responsible for the progression through the G(1) phase. Hypophosphorylates RB1 in early G(1) phase. Cyclin D-CDK4 complexes are major integrators of various mitogenenic and antimitogenic signals. CDK4 has been shown to be mutated in some types of cancer, whilst a chromosomal rearrangement can lead to Cdk6 overexpression in lymphoma, leukemia and melanoma.

  • Stepanova L, et al. (1996) Mammalian p50Cdc37 is a protein kinase-targeting subunit of Hsp90 that binds and stabilizes Cdk4. Genes Dev. 10(12):1491-502.
  • Lamphere L, et al. (1997) Interaction between Cdc37 and Cdk4 in human cells. Oncogene. 14(16): 1999-2004.
  • Dai K, et al. (1996) Physical interaction of mammalian CDC37 with CDK4. J Biol Chem. 271(36): 22030-4.
  • Sugimoto M, et al. (1999) Regulation of CDK4 activity by a novel CDK4-binding protein, p34SEI-1. Genes Dev. 13(22):3027-33.