TLS Online TPP Program

#Id: 7943

#Section 3: Genetics, Cellular and Molecular Biology

Classes of ER membrane proteins

TLS Online TPP Program

#Id: 7942

#Section 3: Genetics, Cellular and Molecular Biology

TLS Online TPP Program

#Id: 7941

#Section 3: Genetics, Cellular and Molecular Biology

The translocon was first identified through mutations in the yeast gene encoding a protein called Sec61α

TLS Online TPP Program

#Id: 7940

#Section 3: Genetics, Cellular and Molecular Biology

Once the SRP and its receptor have targeted a ribosome synthesizing a secretory protein to the ER membrane, the ribosome and nascent polypeptide chain are rapidly transferred to the translocon.

TLS Online TPP Program

#Id: 7939

#Section 3: Genetics, Cellular and Molecular Biology

The GTPase cycle analogous to the GTP hydrolysis coupled to the initiation of translation on the ribosome.

TLS Online TPP Program

#Id: 7938

#Section 3: Genetics, Cellular and Molecular Biology

The SRP and the nascent polypeptide chain–ribosome complex bind to the SRP receptor in the ER membrane. This interaction is strengthened by the binding of GTP to both the SRP and its receptor.