HumanCyc: Encyclopedia of Human Genes and Metabolism

This is an encyclopedic reference on human metabolic pathways. It provides a zoomable human metabolic map diagram, and it has been used to generate a steady-state quantitative model of human metabolism.  If you wish to search for example, fat metabolism, just type in the above search box on your right side. Then this will appear.

Then it will narrowing your the scope of your search and will direct you to the right site. Below is an example of it.

For more information, just click on this http://humancyc.org/
Till then. Bye!