The strictly conserved lysine 73 of class A -lactamases is not uncharged at physiological pH
Regulation of the c-erb B2 oncogen expression in human breast cancers
Plasmid insertion mutagenesis to isolate phosphatase-negative mutants in Chlamydomonas reinhardtii
Peroxisome proliferators and T~3 operate by way of distinct receptors
Myosin polymorphism during the development of the trout, Oncorhynchus mykiss
Furin and PCl can both cleave the HIV-1 envelope glycoprotein gp160 into gp120 and gp41
Characterization of the T97C mutation in the Zn^+^+-lactamase of Bacillus cerues 569H
Alkaline phosphatase-negative mutants in Chlamydomonas reinhardtii
Adenosine, a breakdown product of extracellular ATP, influences cell proliferation