NWFSC Molecular Biology Protocols
Biotechniques Molecular Biology Forum Best Molecular biology forum I could find, search for answers to most questions and check the humor in science section for science geek fun :D.
Finch Server- Sequence data retrieval
GCG software web interface-DNA/protein analysis(MSU users only)
Ivan's Molecular biology protocols
Protien properties and molecular mass calculator(from sequence)
Protein Molecular weght Calculator (from PAGE)