CRYSTALLIZATION AND PRELIMINARY-X-RAY DIFFRACTION STUDIES ON CYTOSOLIC (CLASS-1) ALDEHYDE DEHYDROGENASE FROM SHEEP LIVER

被引:6
作者
BAKER, HM [1 ]
BROWN, RL [1 ]
DOBBS, AJ [1 ]
BLACKWELL, LF [1 ]
BUCKLEY, PD [1 ]
HARDMAN, MJ [1 ]
HILL, JP [1 ]
KITSON, KE [1 ]
KITSON, TM [1 ]
BAKER, EN [1 ]
机构
[1] MASSEY UNIV,DEPT CHEM & BIOCHEM,PALMERSTON NORTH,NEW ZEALAND
关键词
CRYSTALLIZATION; ALDEHYDE DEHYDROGENASE; X-RAY DIFFRACTION;
D O I
10.1006/jmbi.1994.1494
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
The cytosolic (Class 1) aldehyde dehydrogenase (AIDH) from sheep liver has been crystallized in a form suitable for X-ray diffraction studies. The crystals, grown by vapour diffusion using 6.5 to 7.5% methoxypolyethylene glycol 5000 as precipitant, at pH 6.5, are orthorhombic with cell dimensions a = 80.7, b = 92.5, c = 151.6 a, space-group P2(1)2(1)2(1), and one dimer in the asymmetric unit;. The crystals diffract to at least 2.8 Angstrom resolution. Although unmodified AIDH crystallized readily, a key factor in obtaining diffraction-quality crystals was the covalent attachment of an active site reporter group, provided by 3,4-dihydro-3-methyl-6-nitro-2H-1,3-benzoxazin-2-one.
引用
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页码:263 / 264
页数:2
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