ENDOGLUCANASE CASA FROM ALKALOPHILIC STREPTOMYCES STRAIN KSM-9 IS A TYPICAL MEMBER OF FAMILY-B OF BETA-1,4-GLUCANASES

被引:14
作者
DAMUDE, HG [1 ]
GILKES, NR [1 ]
KILBURN, DG [1 ]
MILLER, RC [1 ]
ANTONY, R [1 ]
WARREN, J [1 ]
机构
[1] UNIV BRITISH COLUMBIA,DEPT MICROBIOL,300-6174 UNIV BLVD,VANCOUVER V6T 1Z3,BC,CANADA
基金
加拿大自然科学与工程研究理事会;
关键词
CATALYTIC SITE; CELLOBIOHYDROLASE; CELLULASE; FUNCTIONAL DOMAINS; DISULFIDES; SEQUENCE HOMOLOGY; STEREOCHEMISTRY;
D O I
10.1016/0378-1119(93)90547-G
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
CasA is an endo-beta-1,4-glucanase from Streptomyces KSM-9 belonging to family B of beta-1,4-glucanases. A previous analysis of a portion of the corresponding gene (casA) revealed sequencing errors in a region encoding part of the catalytic site. Additional errors in the original sequence were suspected, based on sequence comparison of the C terminus of CasA with other members of its family. Re-sequencing of the remainder of the casA coding region showed that CasA is a typical member of family B.
引用
收藏
页码:105 / 107
页数:3
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