Membrane Signaling

Opening and closing of ligand-gated channels

Transduction

Cytoskeleton rearrangement

Endocytosis

A protein on the cytoplasmic side of the a membrane that becomes activated by a receptor protein

A specific type of membrane receptor protein

A membrane bound enzyme that converts ATP to cAMP

A tyrosine kinase relay protein

transport a signal through the lipid bilayer portion of the plasma membrane.

relay a signal from the outside to the inside of the cell.

relay the message from the inside of the membrane throughout the cytoplasm.

amplify the message by phosphorylating proteins.

Receptor Protein

Enzymatic Protein

Channel Protein

Junction Protein

ATP Synthase

All ligands are proteins.

Each ligand is only able to bind to one specific receptor

Ligands can bind to cell-surface receptors, but they cannot enter the cell

Ligands bond to receptor proteins and cause the protein to relay a message to intracellular proteins.

A

B

C

D

E