Unit 3: Anatomy & Physiology of the Immune System Download the PDF
Unit 4: Antibody Structure Download the PDF
If you'd like to play with an interactive immunoglobulin G molecule, click this link.
Note, it takes a while to load the first time. It will transfer you to FirstGlance, which requires Java. While almost all browsers have Java, some installations of Windows or Linux may not. You can install or update free Java by going to java.com. Updating Java is always a good idea, especially if FirstGlance does not seem to be working properly. The Java site can check the version on your computer (click "Do I have Java?"). Currently it should be Version 6 Update 26). Download what you need.
Once you have the picture, use the tools in the upper left; see what each does. The "contact" view will look most familiar. Drag to turn the molecule around, and if you're getting seasick, turn off "spin."