1wmh: Difference between revisions
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'''Crystal structure of a PB1 domain complex of Protein kinase c iota and Par6 alpha'''<br /> | '''Crystal structure of a PB1 domain complex of Protein kinase c iota and Par6 alpha'''<br /> | ||
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==About this Structure== | ==About this Structure== | ||
1WMH is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Active as [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] Full crystallographic information is available from [http:// | 1WMH is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Active as [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] Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WMH OCA]. | ||
==Reference== | ==Reference== | ||
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[[Category: pb1 domain]] | [[Category: pb1 domain]] | ||
''Page seeded by [http:// | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri Feb 15 17:07:44 2008'' | ||
Revision as of 18:07, 15 February 2008
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Crystal structure of a PB1 domain complex of Protein kinase c iota and Par6 alpha
OverviewOverview
A complex of atypical PKC and Par6 is a common regulator for cell, polarity-related processes, which is an essential clue to evolutionary, conserved cell polarity regulation. Here, we determined the crystal, structure of the complex of PKCiota and Par6alpha PB1 domains to a, resolution of 1.5 A. Both PB1 domains adopt a ubiquitin fold. PKCiota PB1, presents an OPR, PC, and AID (OPCA) motif, 28 amino acid residues with, acidic and hydrophobic residues, which interacts with the conserved lysine, residue of Par6alpha PB1 in a front and back manner. On the interface, several salt bridges are formed including the conserved acidic residues on, the OPCA motif of PKCiota PB1 and the conserved lysine residue on the, Par6alpha PB1. Structural comparison of the PKCiota and Par6alpha PB1, complex with the p40phox and p67phox PB1 domain complex, subunits of, neutrophil NADPH oxidase, reveals that the specific interaction is, achieved by tilting the interface so that the insertion or extension in, the sequence is engaged in the specificity determinant. The PB1 domain, develops the interaction surface on the ubiquitin fold to increase the, versatility of molecular interaction.
About this StructureAbout this Structure
1WMH is a Protein complex structure of sequences from Homo sapiens. Active as Non-specific serine/threonine protein kinase, with EC number 2.7.11.1 Full crystallographic information is available from OCA.
ReferenceReference
Structure of a cell polarity regulator, a complex between atypical PKC and Par6 PB1 domains., Hirano Y, Yoshinaga S, Takeya R, Suzuki NN, Horiuchi M, Kohjima M, Sumimoto H, Inagaki F, J Biol Chem. 2005 Mar 11;280(10):9653-61. Epub 2004 Dec 7. PMID:15590654
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