9. 3D structure database

• Find the 3D structure of 1IWO at PDB.
• Look at the complete coordinates of the entry (by clicking to Download/Display file).
• Find the "DBREF" line to find the cross-reference to UniProtKB/Swiss-Prot.
• Visualize the structure-sequence relationships with Quick PDB.
• Can you identify the transmembrane helices? How are they annotated in the corresponding UniProtKB/Swiss-Prot entry?
• How many PDB entries are there for the lysozyme T4?

• Find the 3D structure of 1IWO at PDB.
• Look at the complete coordinates of the entry (by clicking to Download/Display file).
• Find the "DBREF" line to find the cross-reference to UniProtKB/Swiss-Prot: P04191
• Visualize the structure-sequence relationships with Quick PDB.
• Can you identify the transmembrane helices? How are they annotated in the corresponding UniProtKB/Swiss-Prot entry?
• Enter the term 'Lysozyme T4' in PDB's site search box. You should get more than 520 results.