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The protein entries in the Entrez search and retrieval system have been compiled
from a variety of sources, including SwissProt, PIR, PRF, PDB, and translations
from annotated coding regions in GenBank and RefSeq.
Additional protein information
In addition to Protein sequences, other protein-related information is available
via Entrez. Search the Structure
database by choosing, "Structure" from the Entrez pull down menu, Conserved
Domains Database (CDD) by choosing, "Domains", and 3D
Domains by choosing, the "3D Domains" option.
Retrieve taxonomy information
The Entrez protein database is cross-linked to the
Entrez taxonomy database. This allows you
to find taxonomy information for the species from which a
protein sequence was derived. First, look up a protein in Entrez. A "Taxonomy"
link appears to the right of each entry that is linked to the Entrez taxonomy
database. To view all non-redundant taxonomy links for a search result, select "Taxonomy
Links" from the drop-down menu above the search results and click on the "Display"
button to the left of that menu.
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