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 G1/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 G1 phase. Hypophosphorylates RB1 in early G1 phase. Cyclin D-CDK4 complexes are major integrators of various mitogenenic and antimitogenic signals. Also phosphorylates SMAD3 in a cell-cycle-dependent manner and represses its transcriptional activity. Component of the teary complex, cyclin D/CDK4/CDKN1B, required for nuclear translocation and activity of the cyclin D-CDK4 complex. (UniProt)
Formulation
Antibody in PBS with 50% Glycerol and 0.03% ProClin 300
Host
Mouse
Immunogen Region
A human recombinant protein was used as the immunogen for this CDK4 antibody.
Isotype
Mouse lgG1
Species Reactivity
Human
Note
The stated application concentrations are suggested starting points. Titration of the CDK4 antibody may be required due to differences in protocols and secondary/substrate sensitivity.