1jst
From Proteopedia
Line 1: | Line 1: | ||
[[Image:1jst.gif|left|200px]] | [[Image:1jst.gif|left|200px]] | ||
- | + | <!-- | |
- | + | The line below this paragraph, containing "STRUCTURE_1jst", creates the "Structure Box" on the page. | |
- | + | You may change the PDB parameter (which sets the PDB file loaded into the applet) | |
- | + | or the SCENE parameter (which sets the initial scene displayed when the page is loaded), | |
- | | | + | or leave the SCENE parameter empty for the default display. |
- | | | + | --> |
- | + | {{STRUCTURE_1jst| PDB=1jst | SCENE= }} | |
- | + | ||
- | + | ||
- | }} | + | |
'''PHOSPHORYLATED CYCLIN-DEPENDENT KINASE-2 BOUND TO CYCLIN A''' | '''PHOSPHORYLATED CYCLIN-DEPENDENT KINASE-2 BOUND TO CYCLIN A''' | ||
Line 28: | Line 25: | ||
[[Category: Pavletich, N P.]] | [[Category: Pavletich, N P.]] | ||
[[Category: Russo, A A.]] | [[Category: Russo, A A.]] | ||
- | [[Category: | + | [[Category: Cdk]] |
- | [[Category: | + | [[Category: Cyclin]] |
- | [[Category: | + | [[Category: Phosphorylation]] |
- | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 21:51:38 2008'' | |
- | + | ||
- | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + |
Revision as of 18:51, 2 May 2008
PHOSPHORYLATED CYCLIN-DEPENDENT KINASE-2 BOUND TO CYCLIN A
Overview
Cyclin-dependent kinase (CDK)-cyclin complexes require phosphorylation on the CDK subunit for full activation of their Ser/Thr protein kinase activity. The crystal structure of the phosphorylated CDK2-CyclinA-ATP gamma S complex has been determined at 2.6 A resolution. The phosphate group, which is on the regulatory T-loop of CDK2, is mostly buried, its charge being neutralized by three Arg side chains. The arginines help extend the influence of the phosphate group through a network of hydrogen bonds to both CDK2 and cyclinA. Comparison with the unphosphorylated CDK2-CyclinA complex shows that the T-loop moves by as much as 7 A, and this affects the putative substrate binding site as well as resulting in additional CDK2-CyclinA contacts. The phosphate group thus acts as a major organizing centre in the CDK2-CyclinA complex.
About this Structure
1JST is a Protein complex structure of sequences from Homo sapiens. Full crystallographic information is available from OCA.
Reference
Structural basis of cyclin-dependent kinase activation by phosphorylation., Russo AA, Jeffrey PD, Pavletich NP, Nat Struct Biol. 1996 Aug;3(8):696-700. PMID:8756328 Page seeded by OCA on Fri May 2 21:51:38 2008