Focal adhesion proteins are essential components of cellular structures that help cells attach to their surrounding environment. They play a crucial role in connecting the cell's internal cytoskeleton to the extracellular matrix, which provides structural support. This connection is vital for various cellular processes, including migration, growth, and communication. These proteins are involved in signaling pathways that regulate cell behavior. When cells adhere to their environment, focal adhesion proteins help transmit signals that influence cell shape and movement. Key examples of these proteins include integrins and talin, which work together to facilitate these important functions.