TY - RPRT TI - Purification, circular dichroism analysis, crystallization and preliminary X-ray diffraction analysis of the F plasmid CcdB killer protein. AU - J Steyaert AU - L Van Melderen AU - P Bernard AU - M H Thi AU - R Loris AU - L Wyns AU - M Couturier PY - 1993 DO - 10.1006/jmbi.1993.1301 UR - https://pubmed.ncbi.nlm.nih.gov/8389886/ ID - 8389886 ER -