9gpb

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[[Image:9gpb.gif|left|200px]]
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{{Seed}}
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[[Image:9gpb.png|left|200px]]
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{{STRUCTURE_9gpb| PDB=9gpb | SCENE= }}
{{STRUCTURE_9gpb| PDB=9gpb | SCENE= }}
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'''THE ALLOSTERIC TRANSITION OF GLYCOGEN PHOSPHORYLASE'''
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===THE ALLOSTERIC TRANSITION OF GLYCOGEN PHOSPHORYLASE===
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==Overview==
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The crystal structure of R-state glycogen phosphorylase b has been determined at 2.9 A resolution. A comparison of T-state and R-state structures of the enzyme explains its cooperative behaviour on ligand binding and the allosteric regulation of its activity. Communication between catalytic sites of the dimer is provided by a change in packing geometry of two helices linking each site with the subunit interface. Activation by AMP or by phosphorylation results in a quaternary conformational change that switches these two helices into the R-state conformation.
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The line below this paragraph, {{ABSTRACT_PUBMED_2770867}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 2770867 is the PubMed ID number.
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{{ABSTRACT_PUBMED_2770867}}
==About this Structure==
==About this Structure==
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[[Category: Johnson, L N.]]
[[Category: Johnson, L N.]]
[[Category: Glycogen phosphorylase]]
[[Category: Glycogen phosphorylase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 22:52:59 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri Jul 11 12:51:33 2008''

Revision as of 09:51, 11 July 2008

Image:9gpb.png

Template:STRUCTURE 9gpb

THE ALLOSTERIC TRANSITION OF GLYCOGEN PHOSPHORYLASE

Template:ABSTRACT PUBMED 2770867

About this Structure

9GPB is a Single protein structure of sequence from Oryctolagus cuniculus. Full crystallographic information is available from OCA.

Reference

The allosteric transition of glycogen phosphorylase., Barford D, Johnson LN, Nature. 1989 Aug 24;340(6235):609-16. PMID:2770867

Page seeded by OCA on Fri Jul 11 12:51:33 2008

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