THE STRUCTURE OF HUMAN CARBONIC ANHYDRASE-II IN COMPLEX WITH BROMIDE AND AZIDE

被引:70
作者
JONSSON, BM [1 ]
HAKANSSON, K [1 ]
LILJAS, A [1 ]
机构
[1] UNIV LUND,CTR CHEM,DEPT MOLEC BIOPHYS,BOX 124,S-22100 LUND,SWEDEN
基金
新加坡国家研究基金会;
关键词
CARBONIC ANHYDRASE; X-RAY STRUCTURE; INHIBITOR; AZIDE; BROMIDE;
D O I
10.1016/0014-5793(93)81565-H
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 three-dimensional structure of human carbonic anhydrase II complexed with azide and with bromide was investigated crystallographically. Both of these non-protonated inhibitors replace the zinc and the 'deep' water, two catalytically important water molecules in the active site of the molecule. Both the azide and the bromide ions bind in a distorted tetrahedral manner 0.4 and 1.1 angstrom from the zinc water position, respectively, but are in close contact (2.0 and 2.6 angstrom, respectively) with the zinc ion.
引用
收藏
页码:186 / 190
页数:5
相关论文
共 15 条
[1]   THE RELATIVE AFFINITIES OF LIGAND ATOMS FOR ACCEPTOR MOLECULES AND IONS [J].
AHRLAND, S ;
CHATT, J ;
DAVIES, NR .
QUARTERLY REVIEWS, 1958, 12 (03) :265-276
[2]   COBALT(II) AS A PROBE OF THE STRUCTURE AND FUNCTION OF CARBONIC-ANHYDRASE [J].
BERTINI, I ;
LUCHINAT, C .
ACCOUNTS OF CHEMICAL RESEARCH, 1983, 16 (08) :272-279
[3]  
Dodgson S.J., 1991, CARBONIC ANHYDRASES, P3
[4]   REFINED STRUCTURE OF HUMAN CARBONIC ANHYDRASE-II AT 2.0-A RESOLUTION [J].
ERIKSSON, AE ;
JONES, TA ;
LILJAS, A .
PROTEINS-STRUCTURE FUNCTION AND GENETICS, 1988, 4 (04) :274-282
[5]   CRYSTALLOGRAPHIC STUDIES OF INHIBITOR BINDING-SITES IN HUMAN CARBONIC ANHYDRASE-II - A PENTA-COORDINATED BINDING OF THE SCN- ION TO THE ZINC AT HIGH PH [J].
ERIKSSON, AE ;
KYLSTEN, PM ;
JONES, TA ;
LILJAS, A .
PROTEINS-STRUCTURE FUNCTION AND GENETICS, 1988, 4 (04) :283-293
[6]   INCORPORATION OF FAST FOURIER-TRANSFORMS TO SPEED RESTRAINED LEAST-SQUARES REFINEMENT OF PROTEIN STRUCTURES [J].
FINZEL, BC .
JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1987, 20 :53-55
[7]   STRUCTURE OF NATIVE AND APO CARBONIC ANHYDRASE-II AND STRUCTURE OF SOME OF ITS ANION LIGAND COMPLEXES [J].
HAKANSSON, K ;
CARLSSON, M ;
SVENSSON, LA ;
LILJAS, A .
JOURNAL OF MOLECULAR BIOLOGY, 1992, 227 (04) :1192-1204
[8]  
HOWARD AJ, 1987, J APPL CRYSTALLOGR, V20, P338
[9]   GRAPHICS MODEL-BUILDING AND REFINEMENT SYSTEM FOR MACROMOLECULES [J].
JONES, TA .
JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1978, 11 (AUG) :268-272
[10]  
JONES TA, 1982, COMPUTATIONAL CRYSTA, P303