4lyo

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|SITE=
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|ACTIVITY= [http://en.wikipedia.org/wiki/Lysozyme Lysozyme], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.17 3.2.1.17]
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Lysozyme Lysozyme], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.17 3.2.1.17] </span>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4lyo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4lyo OCA], [http://www.ebi.ac.uk/pdbsum/4lyo PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=4lyo RCSB]</span>
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[[Category: lysozyme]]
[[Category: lysozyme]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 19:10:13 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 05:39:23 2008''

Revision as of 02:39, 31 March 2008

Image:4lyo.jpg


PDB ID 4lyo

Drag the structure with the mouse to rotate
, resolution 2.05Å
Activity: Lysozyme, with EC number 3.2.1.17
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



CROSS-LINKED CHICKEN LYSOZYME CRYSTAL IN NEAT ACETONITRILE, THEN BACK-SOAKED IN WATER


Overview

Tetragonal crystals of hen egg white lysozyme were cross-linked and subjected to X-ray diffraction study in acetonitrile-water media with different acetonitrile concentrations. Crystals in neat acetonitrile did not scatter X-ray well. Structures of crystals in neat water, in 90% and 95% acetonitrile, and crystal back-soaked from acetonitrile to water, were determined to about 2 A resolution. For crystals in both 90% acetonitrile, and crystal back-soaked from acetonitrile to water, were determined to about 2 A resolution. For crystals in both 90% and 95% acetonitrile, only one protein-bond acetonitrile molecule is found in the active site cleft, and its location and binding-protein mode is similar to the C subunit of polysaccharide. The alteration in conformation and hydrogen-bond pattern involving water as solvent causes the reduction of the protein's flexibility in organic media. The back-soaked crystal regained its ordinary three-dimensional structure in water.

About this Structure

4LYO is a Single protein structure of sequence from Gallus gallus. Full crystallographic information is available from OCA.

Reference

X-ray studies on cross-linked lysozyme crystals in acetonitrile-water mixture., Wang Z, Zhu G, Huang Q, Qian M, Shao M, Jia Y, Tang Y, Biochim Biophys Acta. 1998 May 19;1384(2):335-44. PMID:9659395

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