RAG1 is expressed at all phases of the cell cycle, RAG2 is stable only in G0- or G1-phase cells.

TLS Online TPP Program

#Id: 1388

#Unit 4. Cell Communication and Cell Signaling

In vertebrate smooth muscle, phosphorylation of the myosin regulatory light chain (LC) activation.

TLS Online TPP Program

#Id: 1389

#Unit 4. Cell Communication and Cell Signaling

Myosin light-chain kinase (MLCK) phosphorylates MLC and regulated by the level of cytosolic free Ca2+.

TLS Online TPP Program

#Id: 1390

#Unit 4. Cell Communication and Cell Signaling

Myosin V family of proteins, the most processive myosin motors known, transport cargo along actin filaments.

TLS Online TPP Program

#Id: 1391

#Unit 4. Cell Communication and Cell Signaling

Actin thin filaments and myosin II thick filaments assemble into contractile structures.

TLS Online TPP Program

#Id: 1392

#Unit 4. Cell Communication and Cell Signaling

The giant protein titin extends through the thick filaments and attaches to the Z disk.

TLS Online TPP Program

#Id: 1393

#Unit 4. Cell Communication and Cell Signaling

Nebulin binds actin subunits and determines the length of the thin filament.