Science
http://www.sciencemag.org/

Nature
http://www.nature.com/nature/

Nature Genetics 
http://www.nature.com/ng/

Cell
http://www.cell.com/

The EMBO Jornal
http://www.emboj.org/

PNAS
http://www.pnas.org/

The Biochemical Journal
http://www.biochemj.org/

Molecular and Cellular Biology
http://mcb.asm.org/contents-by-date.0.shtml

Genes & Development
http://www.genesdev.org/

The Journal of Biological Chemistry
http://www.jbc.org/

NAR methods
http://www3.oup.co.uk/nar/methods/

Nucleic Acids Research
http://nar.oupjournals.org/