135l: Difference between revisions

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[[Image:135l.gif|left|200px]]
{{Seed}}
[[Image:135l.png|left|200px]]


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{{STRUCTURE_135l|  PDB=135l  |  SCENE=  }}  
{{STRUCTURE_135l|  PDB=135l  |  SCENE=  }}  


'''X-RAY STRUCTURE OF MONOCLINIC TURKEY EGG LYSOZYME AT 1.3 ANGSTROMS RESOLUTION'''
===X-RAY STRUCTURE OF MONOCLINIC TURKEY EGG LYSOZYME AT 1.3 ANGSTROMS RESOLUTION===




==Overview==
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Monoclinic crystals of turkey egg lysozyme (TEL, E.C. 3.2.1.17) were obtained from 2.2 M ammonium sulfate solution at pH 4.2. They belong to space group P2(1) with unit-cell dimensions a = 38.07, b = 33.20, c = 46.12 A and beta = 110.1 degrees, and contain one molecule in the asymmetric unit (V(m) = 1.91 A(3) Da(-1)). The three-dimensional structure of TEL was solved by the method of multiple isomorphous replacement with anomalous scattering. Area detector data to 1.5 A resolution from native and heavy-atom derivatives were used for the structure determination. The structure was refined by the simulated-annealing method with diffraction data of 10-1.30 A resolution. The conventional R factor was 0.189. The root-mean-square deviations from ideal bond distances and angles were 0.016 A and 2.9 degrees, respectively. The backbone structure of TEL is very similar to that of hen egg lysozyme (HEL) and the difference in seven amino-acid residues does not affect the basic folding of the polypeptide chain. Except for the region from Gly101 to Gly104, the geometry of the active-site cleft is conserved between TEL and HEL. The Gly101 residue is located at the end of the sugar-binding site and the structural change in this region between TEL and HEL is considered to be responsible for the difference in their enzymatic properties.
The line below this paragraph, {{ABSTRACT_PUBMED_15299509}}, adds the Publication Abstract to the page
(as it appears on PubMed at http://www.pubmed.gov), where 15299509 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15299509}}


==About this Structure==
==About this Structure==
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[[Category: Single protein]]
[[Category: Single protein]]
[[Category: Harata, K.]]
[[Category: Harata, K.]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May  2 09:29:17 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 15:28:16 2008''

Revision as of 12:28, 30 June 2008

File:135l.png

Template:STRUCTURE 135l

X-RAY STRUCTURE OF MONOCLINIC TURKEY EGG LYSOZYME AT 1.3 ANGSTROMS RESOLUTION

Template:ABSTRACT PUBMED 15299509

About this Structure

135L is a Single protein structure. This structure supersedes the now removed PDB entry 1lz3. Full crystallographic information is available from OCA.

Reference

X-ray structure of monoclinic turkey egg lysozyme at 1.3 A resolution., Harata K, Acta Crystallogr D Biol Crystallogr. 1993 Sep 1;49(Pt 5):497-504. PMID:15299509

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