CRYSTALLIZATION AND PRELIMINARY-X-RAY ANALYSIS OF PORCINE RIBONUCLEASE INHIBITOR, A PROTEIN WITH LEUCINE-RICH REPEATS

被引:15
作者
KOBE, B
DEISENHOFER, J
机构
[1] Howard Hughes Medical Institute and Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75235-9050
关键词
RIBONUCLEASE INHIBITOR; LEUCINE-RICH REPEATS; CRYSTALLIZATION; PRELIMINARY X-RAY DATA;
D O I
10.1006/jmbi.1993.1263
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Ribonuclease inhibitor was purified from pig liver and crystallized at 21°C from solutions containing dithiothreitol as an additive and ammonium sulfate, lithium sulfate or combinations of both as precipitants. Crystals have the symmetry of the tetragonal space group I4 with a = 134.9 Å and c = 83.6 Å, and diffract to better than 3 Å resolution. Self rotation functions and packing density of the crystals are consistent with two molecules in the asymmetric unit. © 1993 Academic Press, Inc.
引用
收藏
页码:137 / 140
页数:4
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