1r2a
From Proteopedia
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| - | [[Image:1r2a.gif|left|200px]] | + | [[Image:1r2a.gif|left|200px]] |
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| - | '''THE MOLECULAR BASIS FOR PROTEIN KINASE A ANCHORING REVEALED BY SOLUTION NMR''' | + | {{Structure |
| + | |PDB= 1r2a |SIZE=350|CAPTION= <scene name='initialview01'>1r2a</scene> | ||
| + | |SITE= | ||
| + | |LIGAND= | ||
| + | |ACTIVITY= [http://en.wikipedia.org/wiki/Non-specific_serine/threonine_protein_kinase Non-specific serine/threonine protein kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.11.1 2.7.11.1] | ||
| + | |GENE= RIIA(1-44) ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 Mus musculus]) | ||
| + | }} | ||
| + | |||
| + | '''THE MOLECULAR BASIS FOR PROTEIN KINASE A ANCHORING REVEALED BY SOLUTION NMR''' | ||
| + | |||
==Overview== | ==Overview== | ||
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==About this Structure== | ==About this Structure== | ||
| - | 1R2A is a [ | + | 1R2A is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1R2A OCA]. |
==Reference== | ==Reference== | ||
| - | The molecular basis for protein kinase A anchoring revealed by solution NMR., Newlon MG, Roy M, Morikis D, Hausken ZE, Coghlan V, Scott JD, Jennings PA, Nat Struct Biol. 1999 Mar;6(3):222-7. PMID:[http:// | + | The molecular basis for protein kinase A anchoring revealed by solution NMR., Newlon MG, Roy M, Morikis D, Hausken ZE, Coghlan V, Scott JD, Jennings PA, Nat Struct Biol. 1999 Mar;6(3):222-7. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10074940 10074940] |
[[Category: Mus musculus]] | [[Category: Mus musculus]] | ||
[[Category: Non-specific serine/threonine protein kinase]] | [[Category: Non-specific serine/threonine protein kinase]] | ||
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[[Category: regulatory subunit]] | [[Category: regulatory subunit]] | ||
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 13:45:57 2008'' |
Revision as of 11:45, 20 March 2008
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| Gene: | RIIA(1-44) (Mus musculus) | ||||||
| Activity: | Non-specific serine/threonine protein kinase, with EC number 2.7.11.1 | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
THE MOLECULAR BASIS FOR PROTEIN KINASE A ANCHORING REVEALED BY SOLUTION NMR
Overview
Compartmentalization of signal transduction enzymes into signaling complexes is an important mechanism to ensure the specificity of intracellular events. Formation of these complexes is mediated by specialized protein motifs that participate in protein-protein interactions. The adenosine 3',5'-cyclic monophosphate (cAMP)-dependent protein kinase (PKA) is localized through interaction of the regulatory (R) subunit dimer with A-kinase-anchoring proteins (AKAPs). We now report the solution structure of the type II PKA R-subunit fragment RIIalpha(1-44), which encompasses both the AKAP-binding and dimerization interfaces. This structure incorporates an X-type four-helix bundle dimerization motif with an extended hydrophobic face that is necessary for high-affinity AKAP binding. NMR data on the complex between RIIalpha(1-44) and an AKAP fragment reveals extensive contacts between the two proteins. Interestingly, this same dimerization motif is present in other signaling molecules, the S100 family. Therefore, the X-type four-helix bundle may represent a conserved fold for protein-protein interactions in signal transduction.
About this Structure
1R2A is a Single protein structure of sequence from Mus musculus. Full crystallographic information is available from OCA.
Reference
The molecular basis for protein kinase A anchoring revealed by solution NMR., Newlon MG, Roy M, Morikis D, Hausken ZE, Coghlan V, Scott JD, Jennings PA, Nat Struct Biol. 1999 Mar;6(3):222-7. PMID:10074940
Page seeded by OCA on Thu Mar 20 13:45:57 2008
