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An Information Portal to Biological Macromolecular StructuresAs of Tuesday Nov 17, 2009 at 4 PM PST there are 61577 Structures
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17-November-2009
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The fall 2009 issue
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includes recent news, a report on how the CSD is used to teach chemistry,
and an interview with Roland Dunbrack, Jr. about his research in computational structural biology and the
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Time-stamped yearly snapshots are available at: ftp://snapshots.wwpdb.org A Resource for Studying Biological MacromoleculesThe PDB archive contains information about experimentally-determined structures of proteins, nucleic acids, and complex assemblies. As a member of the wwPDB, the RCSB PDB curates and annotates PDB data according to agreed upon standards. The RCSB PDB also provides a variety of tools and resources. Users can perform simple and advanced searches based on annotations relating to sequence, structure and function. These molecules are visualized, downloaded, and analyzed by users who range from students to specialized scientists.
DNA is a perfect raw material for constructing nanoscale structures. Since base-pairing has
been selected by evolution to be highly specific, it is easy to design sequences that will link
up with their proper mates. In this way, we can treat small pieces of DNA like Tinkertoys,
designing individual components and then allowing them to assemble when we put them
together. In addition, the chemistry of DNA synthesis has been completely automated, so
custom pieces of DNA can be easily constructed, or even ordered from commercial biotech
companies. This puts DNA nanotechnology in the hands of any modest laboratory, and
many laboratories have taken advantage of this, creating nanoscale scaffolds, tweezers,
polyhedra, computers, and even tiny illustrations composed entirely of DNA.
Read more ... Previous Features
Researchers at CESG have taken a close look at the calcium sensor protein secretagogin.
The structure reveals the modular architecture predicted from the sequence, with six
calcium-binding EF-hand motifs.
Read more from the Structural Genomics Knowledgebase New user? Try the browser compatibility check and information on Getting Started. |
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