PubMed: For finding papers or exploring genomes

Protein Data Bank: For finding protein structures

PyMOL: For viewing protein structures

ExPASy: For finding out more information about a protein or DNA sequence

Useful Biochemistry Sites

Delving Deeper into the World of Nanoscience and Nanotechnology

Nano Gov: The National Nanotechnology Initiative introduction to nanotechnology 

NanoComposix: A valuable resource for nanomaterials

NANO-Crystal: A Web Server for the creation of Nanoparticles for modeling and simulation