metal sensor;
czr O/P;
transcriptional repressor;
winged helix;
DNA binding;
allosteric regulation;
D O I:
10.1007/s12104-007-9027-y
中图分类号:
Q6 [生物物理学];
学科分类号:
071011 ;
摘要:
Zn/Co binding to homodimeric CzrA de-represses transcription of the czr (cobalt zinc resistance) operon in Staphylococcus aureus. Essentially complete backbone and stereospecific methyl group resonance assignments for apo-, Zn(2) and a 42 kDa apo- CzrA-DNA complex are presented.