1vyo
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(New page: 200px<br /> <applet load="1vyo" size="450" color="white" frame="true" align="right" spinBox="true" caption="1vyo, resolution 1.48Å" /> '''CRYSTAL STRUCTURE O...)
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Revision as of 13:44, 29 October 2007
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CRYSTAL STRUCTURE OF AVIDIN
Overview
The chicken genome encodes several biotin-binding proteins, including, avidin and avidin-related protein 4 (AVR4). In addition to D-biotin, avidin binds an azo dye compound, 4-hydroxyazobenzene-2-carboxylic acid, (HABA), but the HABA-binding properties of AVR4 are not yet known., Differential scanning calorimetry, UV/visible spectroscopy, and molecular, modeling were used to analyze the binding of 15 azo molecules to avidin, and AVR4. Significant differences are seen in azo compound preferences for, the two proteins, emphasizing the importance of the loop between strands, beta3 and beta4 for azo ligand recognition; information on these loops is, provided by the high-resolution (1.5 A) X-ray structure for avidin, reported here. These results may be valuable in designing improved tools, for ... [(full description)]
About this Structure
1VYO is a [Single protein] structure of sequence from [Gallus gallus] with GOL as [ligand]. Full crystallographic information is available from [OCA].
Reference
Binding properties of HABA-type azo derivatives to avidin and avidin-related protein 4., Repo S, Paldanius TA, Hytonen VP, Nyholm TK, Halling KK, Huuskonen J, Pentikainen OT, Rissanen K, Slotte JP, Airenne TT, Salminen TA, Kulomaa MS, Johnson MS, Chem Biol. 2006 Oct;13(10):1029-39. PMID:17052607
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