1dfj
From Proteopedia
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[[Image:1dfj.jpg|left|200px]] | [[Image:1dfj.jpg|left|200px]] | ||
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'''RIBONUCLEASE INHIBITOR COMPLEXED WITH RIBONUCLEASE A''' | '''RIBONUCLEASE INHIBITOR COMPLEXED WITH RIBONUCLEASE A''' | ||
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[[Category: Deisenhofer, J.]] | [[Category: Deisenhofer, J.]] | ||
[[Category: Kobe, B.]] | [[Category: Kobe, B.]] | ||
- | [[Category: | + | [[Category: Hydrolase]] |
- | [[Category: | + | [[Category: Leucine-rich repeat]] |
- | + | [[Category: Ribonuclease]] | |
- | [[Category: | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 13:47:59 2008'' |
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- | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + |
Revision as of 10:48, 2 May 2008
RIBONUCLEASE INHIBITOR COMPLEXED WITH RIBONUCLEASE A
Overview
The leucine-rich repeat is a recently characterized structural motif used in molecular recognition processes as diverse as signal transduction, cell adhesion, cell development, DNA repair and RNA processing. We present here the crystal structure at 2.5 A resolution of the complex between ribonuclease A and ribonuclease inhibitor, a protein built entirely of leucine-rich repeats. The unusual non-globular structure of ribonuclease inhibitor, its solvent-exposed parallel beta-sheet and the conformational flexibility of the structure are used in the interaction; they appear to be the principal reasons for the effectiveness of leucine-rich repeats as protein-binding motifs. The structure can serve as a model for the interactions of other proteins containing leucine-rich repeats with their ligands.
About this Structure
1DFJ is a Protein complex structure of sequences from Bos taurus and Sus scrofa. Full crystallographic information is available from OCA.
Reference
A structural basis of the interactions between leucine-rich repeats and protein ligands., Kobe B, Deisenhofer J, Nature. 1995 Mar 9;374(6518):183-6. PMID:7877692 Page seeded by OCA on Fri May 2 13:47:59 2008