Databases:

PDB - The Protein Database RCSB
Worldwide Protein Data Bank (wwPDB)
PDB Beta site
National Institute of Standards and Technology
NCBI - Human Chromosomes and Contigs
NCBI - Mouse Chromosomes and Contigs
NCBI - GenBank Sequence files
NCBI - GenBank Daily Update
EMBL - Nucleotide Sequence Database
EMBL - Patent Database
USPTO - United States Patent and Trademark Office
The European Patent Office - Search
Pfam - Protein Families Database of Alignments and HMMs