Does anyone know about a reliable protocol to separate coli ribosomes from membranes. I would like to localise a protein which I think is associated with both fractions. Thanks. -- Joen Luirink Dept. Mol. Microbiol. Vrije Universiteit De Boelelaan 1087 1081 HV Amsterdam The Netherlands Tel: (20) 4447175 Fax: (20) 4447123 E-mail: luirink at bio.vu.nl