The Journal of Molecular Biology publishes original scientific research concerning studies of organisms or their components at the molecular level. Published weekly, the journal provides up-to-date and comprehensive coverage of all aspects of molecular biology. Research Areas Include: Gene structure, expression, replication, and recombination in both eukaryotic and prokaryotic organisms; Structure, function, chemistry, and in vivo modification and processing of proteins, nucleic acids, and other biologically important macromolecules; Cellular and developmental biology; Genetics, structure, and growth cycles of viruses and bacteriophages.