You may choose to work through any of the following exercises at your own pace for the remaining time of your session. You will need to open the NCBI home page in a second browser window, reserving this window for the exercise directions. Click here to open this second window, then return to this window and select an exercise.

• Working with Bound Substrates and Cofactors
  • 1. DNA photolyase
  • 2. Nitric oxide synthase
  • 3. Arginine kinase
• Locating Disordered Regions
  • 4. RNase H
• Annotating Single Nucleotide Polymorphism (SNP) Locations
  • 5. Hemochromatosis
• Exploring Molecular Interfaces
  • 6. Arginyl tRNA synthetase complex
• Entrez Searching
  • 7. Entrez Structure
  • 8. Entrez 3D Domains

Revised February 25, 2004