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SITE-SPECIFIC N-15-LABELING OF OLIGONUCLEOTIDES FOR NMR - THE TRP OPERATOR AND ITS INTERACTION WITH THE TRP REPRESSOR
被引:17
|作者:
RAMESH, V
XU, YZ
ROBERTS, GCK
机构:
[1] UNIV LEICESTER, DEPT BIOCHEM, LEICESTER, LEICS, ENGLAND
[2] UNIV LEICESTER, BIOL NMR CTR, LEICESTER, LEICS, ENGLAND
[3] UCL, DEPT BIOCHEM & MOLEC BIOL, CANC RES CAMPAIGN, NITROSAMINE INDUCED CANC RES GRP, LONDON, ENGLAND
基金:
英国生物技术与生命科学研究理事会;
关键词:
NMR;
STABLE ISOTOPE;
PROTEIN-DNA INTERACTION;
D O I:
10.1016/0014-5793(95)00226-Y
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:
A convenient and economical method is described for the site-specific N-15-labelling of the 4-amino group of individual cytidine residues in oligonucleotides. This is applied to a 20 base-pair oligonucleotide corresponding to the trp operator; this oligonucleotide and its complex with the E. coli trp repressor are studied by NMR, using H-1-N-15 HMQC and N-15-edited H-1-H-1 NOESY experiments.
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页码:61 / 64
页数:4
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