5apr

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[[Image:5apr.gif|left|200px]]
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{{STRUCTURE_5apr| PDB=5apr | SCENE= }}
{{STRUCTURE_5apr| PDB=5apr | SCENE= }}
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'''STRUCTURES OF COMPLEXES OF RHIZOPUSPEPSIN WITH PEPSTATIN AND OTHER STATINE-CONTAINING INHIBITORS'''
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===STRUCTURES OF COMPLEXES OF RHIZOPUSPEPSIN WITH PEPSTATIN AND OTHER STATINE-CONTAINING INHIBITORS===
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==Overview==
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The three-dimensional structures of the complexes of the aspartic proteinase from Rhizopus chinensis (Rhizopuspepsin, EC 3.4.23.6) with pepstatin and two pepstatin-like peptide inhibitors of renin have been determined by X-ray diffraction methods and refined by restrained least-squares procedures. The inhibitors adopt an extended conformation and lie in the deep groove located between the two domains of the enzyme. Inhibitor binding is accompanied by a conformational change at the "flap," a beta-hairpin loop region, that projects over the binding cleft and closes down over the inhibitor, excluding water molecules from the vicinity of the scissile bond. The hydroxyl group of the central statyl residue of the inhibitors replaces the water molecule found between the two active aspartates, Asp-35 and Asp-218, in the native structure. The refined structures provide additional data to define the specific subsites of the enzyme and also show a system of hydrogen bonding to the inhibitor backbone similar to that observed for a reduced inhibitor.
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(as it appears on PubMed at http://www.pubmed.gov), where 1603809 is the PubMed ID number.
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{{ABSTRACT_PUBMED_1603809}}
==About this Structure==
==About this Structure==
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[[Category: Davies, D R.]]
[[Category: Davies, D R.]]
[[Category: Suguna, K.]]
[[Category: Suguna, K.]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 22:31:57 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Jul 3 13:56:21 2008''

Revision as of 10:56, 3 July 2008

Image:5apr.png

Template:STRUCTURE 5apr

STRUCTURES OF COMPLEXES OF RHIZOPUSPEPSIN WITH PEPSTATIN AND OTHER STATINE-CONTAINING INHIBITORS

Template:ABSTRACT PUBMED 1603809

About this Structure

5APR is a Single protein structure. Full crystallographic information is available from OCA.

Reference

Structures of complexes of rhizopuspepsin with pepstatin and other statine-containing inhibitors., Suguna K, Padlan EA, Bott R, Boger J, Parris KD, Davies DR, Proteins. 1992 Jul;13(3):195-205. PMID:1603809

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