IDENTIFICATION, ISOLATION, AND OVEREXPRESSION OF THE GENE ENCODING THE PSI-SUBUNIT OF DNA POLYMERASE-III HOLOENZYME

被引:11
作者
CARTER, JR
FRANDEN, MA
AEBERSOLD, R
MCHENRY, CS
机构
[1] UNIV COLORADO,HLTH SCI CTR,DEPT BIOCHEM BIOPHYS & GENET,4200 E 9TH AVE,DENVER,CO 80262
[2] UNIV BRITISH COLUMBIA,BIOMED RES CTR,VANCOUVER V6T 1Z3,BC,CANADA
[3] UNIV BRITISH COLUMBIA,DEPT BIOCHEM,VANCOUVER V6T 1Z3,BC,CANADA
关键词
D O I
10.1128/JB.175.17.5604-5610.1993
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The gene encoding the psi subunit of DNA polymerase III holoenzyme, holD, was identified and isolated by an approach in which peptide sequence data were used to obtain a DNA hybridization probe. The gene, which maps to 99.3 centisomes, was sequenced and found to be identical to a previously uncharacterized open reading frame that overlaps the 5' end of rimI by 29 bases, contains 411 bp, and is predicted to encode a protein of 15,174 Da. When expressed in a plasmid that also expressed holC, holD directed expression of the psi subunit to about 3% of total soluble protein.
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页码:5604 / 5610
页数:7
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