1wbc

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(New page: 200px<br /><applet load="1wbc" size="450" color="white" frame="true" align="right" spinBox="true" caption="1wbc, resolution 2.95&Aring;" /> '''CRYSTALLIZATION AND ...)
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Revision as of 03:10, 21 November 2007

Image:1wbc.jpg

1wbc, resolution 2.95Å

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CRYSTALLIZATION AND PRELIMINARY X-RAY STUDIES OF PSOPHOCARPIN B1, A CHYMOTRYPSIN INHIBITOR FROM WINGED BEAN SEEDS

Overview

Psophocarpin B1 is a 20,000 Mr protein of winged bean (Psophocarpus, tetragonolobus) seeds having chymotrypsin inhibitory activity. Single, crystals of this protein suitable for X-ray crystallographic studies have, been obtained by the vapour diffusion method using ammonium sulphate. The, crystals are hexagonal, space group P6(4)22 or P6(2)22, cell dimensions a, = b = 61 A, c = 210 A. They are stable to irradiation with X-rays and, diffract to at least 2.6 A resolution.

About this Structure

1WBC is a Single protein structure of sequence from Psophocarpus tetragonolobus. Full crystallographic information is available from OCA.

Reference

Crystallization and preliminary X-ray studies of psophocarpin B1, a chymotrypsin inhibitor from winged bean seeds., Dattagupta JK, Chakrabarti C, Podder A, Dutta SK, Singh M, J Mol Biol. 1990 Nov 20;216(2):229-31. PMID:2254924

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