3. Control levels of transcription factor (TF) activity

4. How a TF activates the transcriptional machinery

5. Co-activators/repressors are required for TF function

6. Co-activators/repressors are shared among TFs

8. Estrogen action

9. Gene regulation by the thyroid hormone receptor

10. Structure of a G protein-coupled receptor

11. Hormonal activation of adenylyl cyclase

12. Synthesis and degradation of cAMP

13. Regulation of protein kinase A

14. Cyclic AMP-inducible gene expression

16. Regulation of protein phosphorylation by protein kinase A and protein phosphatase 1

17. Organization of receptor protein-tyrosine kinases

18. Dimerization and autophosphorylation of receptor protein-tyrosine kinases

19. Association of downstream signaling molecules with receptor protein-tyrosine kinases

20. Complex between an SH2 domain and a phosphotyrosine peptide

21. Signaling from cytokine receptors

22. Hydrolysis of PIP 2

23. Activation of phospholipase C by protein-tyrosine kinases

24. Ca 2+ mobilization by IP 3

25. Function of calmodulin

26. Activation of the ERK MAP kinases

27. Ras activation downstream of receptor protein-tyrosine kinases

28. Induction of immediate-early genes by ERK

29. Pathways of MAP kinase activation in mammalian cells

30. A scaffold protein for the JNK MAP kinase cascade

31. The JAK/STAT pathway

32. Signaling from TGF-  receptors

33. NF-  B signaling

34. Feedback inhibition of NF-  B

35. Crosstalk between G protein-coupled receptors and ERK signaling by  -arrestin