3-DIMENSIONAL STRUCTURE OF A MONOCLONAL-ANTIBODY FAB FRAGMENT AGAINST CD5

被引:0
作者
GUARNE, A [1 ]
BRAVO, J [1 ]
CALVO, J [1 ]
LOZANO, F [1 ]
VIVES, J [1 ]
FITA, I [1 ]
机构
[1] HOSP CLIN BARCELONA, SERV IMMUNOL, E-08036 BARCELONA, SPAIN
来源
ANALES DE QUIMICA-INTERNATIONAL EDITION | 1995年 / 91卷 / 3-4期
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中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We have solved the crystal structure of a monoclonal antibody Fab fragment (CRIS-1) against CD5, a T-lymphocite membrane protein, at 2.4 Angstrom of ressolution by X-ray diffraction studies. This monoclonal antibody is able to simulate the biological effect of CD72, a B-lymphocite surface protein, the ligand of CD5. The molecule crystallized in the space group p2(1)2(1)2(1), with cell parameters a = 37.39 Angstrom, b = 86.75 Angstrom, c = 134.77 Angstrom and alpha = beta = gamma = 90 degrees. Tridimensional structure was solved by the molecular replacement method. Crystals have a very compact packing with multiple intermolecular contacts.
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页码:296 / 299
页数:4
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WANG J, 1994, NATURE, V348, P411