1blx
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P19INK4D/CDK6 COMPLEX
OverviewOverview
The crystal structure of the cyclin D-dependent kinase Cdk6 bound to the, p19 INK4d protein has been determined at 1.9 A resolution. The results, provide the first structural information for a cyclin D-dependent protein, kinase and show how the INK4 family of CDK inhibitors bind. The structure, indicates that the conformational changes induced by p19INK4d inhibit both, productive binding of ATP and the cyclin-induced rearrangement of the, kinase from an inactive to an active conformation. The structure also, shows how binding of an INK4 inhibitor would prevent binding of p27Kip1, resulting in its redistribution to other CDKs. Identification of the, critical residues involved in the interaction explains how mutations in, Cdk4 and p16INK4a result in loss of kinase inhibition and cancer.
About this StructureAbout this Structure
1BLX is a [Protein complex] structure of sequences from [Homo sapiens] and [Mus musculus] with CA as [ligand]. Full crystallographic information is available from [OCA].
ReferenceReference
Crystal structure of the complex of the cyclin D-dependent kinase Cdk6 bound to the cell-cycle inhibitor p19INK4d., Brotherton DH, Dhanaraj V, Wick S, Brizuela L, Domaille PJ, Volyanik E, Xu X, Parisini E, Smith BO, Archer SJ, Serrano M, Brenner SL, Blundell TL, Laue ED, Nature. 1998 Sep 17;395(6699):244-50. PMID:9751051
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- Homo sapiens
- Mus musculus
- Protein complex
- Archer, S.J.
- Blundell, T.L.
- Brenner, S.L.
- Brizuela, L.
- Brotherton, D.H.
- Dhanaraj, V.
- Domaille, P.J.
- Laue, E.D.
- Parisini, E.
- Serrano, M.
- Smith, B.O.
- Volyanik, E.
- Wick, S.
- Xu, X.
- CA
- Alpha/beta
- Cell cycle control
- Complex (inhibitor protein/kinase)
- Cyclin-dependent kinase
- Inhibitor protein