1hsx
From Proteopedia
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[[Image:1hsx.gif|left|200px]] | [[Image:1hsx.gif|left|200px]] | ||
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'''LYSOZYME GROWN AT BASIC PH AND ITS LOW HUMIDITY VARIANT''' | '''LYSOZYME GROWN AT BASIC PH AND ITS LOW HUMIDITY VARIANT''' | ||
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[[Category: Sukumar, N.]] | [[Category: Sukumar, N.]] | ||
[[Category: Vijayan, M.]] | [[Category: Vijayan, M.]] | ||
- | [[Category: | + | [[Category: Enzyme-orthorhombic form]] |
- | [[Category: | + | [[Category: Glycosidase]] |
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- | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 19:11:50 2008'' | |
- | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + |
Revision as of 16:11, 2 May 2008
LYSOZYME GROWN AT BASIC PH AND ITS LOW HUMIDITY VARIANT
Overview
The structures of orthorhombic lysozyme grown at basic pH and its low-humidity variant have been solved and refined at 1.9 and 2.0 A resolution, respectively. A comparison of the native structure with those of crystals grown at acidic pH does not show any systematic pH-dependent difference in the molecular geometry. The conformations, mutual orientation and interactions of the catalytic residues Glu35 and Asp52 also remain unchanged. However, comparison between the native and low-humidity forms in the orthorhombic form show that the changes in molecular geometry which accompany the water-mediated transformation to the low-humidity form are more pronounced in the C-terminal residues than in the other regions of the molecule. During the transformation from the native to the low-humidity form, the locations of only about half the water molecules in the hydration shell remain unchanged, but the hydration shell as a whole moves along with the protein molecule.
About this Structure
1HSX is a Single protein structure of sequence from Gallus gallus. Full crystallographic information is available from OCA.
Reference
Structures of orthorhombic lysozyme grown at basic pH and its low-humidity variant., Sukumar N, Biswal BK, Vijayan M, Acta Crystallogr D Biol Crystallogr. 1999 Apr;55(Pt 4):934-7. PMID:10089340 Page seeded by OCA on Fri May 2 19:11:50 2008