A second function of small GTPases in vesicle formation is in the pinching off of a completed vesicle from the parent membrane

TLS Online TPP Program

#Id: 1770

#Unit 4. Cell Communication and Cell Signaling

CD28 on the T cell and CD80/86 (B7) on the APC provided the costimulatory signal required for T-cell activation.

TLS Online TPP Program

#Id: 6046

#Unit 10. Ecological Principles

TLS Online TPP Program

#Id: 1368

#Unit 4. Cell Communication and Cell Signaling

In both RTKs and cytokine receptors, short amino acid sequences containing a phosphotyrosine residue are bound by signal-transducing proteins with conserved SH2 domains.

TLS Online TPP Program

#Id: 6774

#Unit 3. Fundamental Processes

(NXF1), (NXT1), SR proteins, RNA helicases, REF (RNA export factor), PABPN1 are important proteins required for mRNA transport.

TLS Online TPP Program

#Id: 3350

#Unit 3. Fundamental Processes

Methyltransferase catalyzes the transfer of the methyl group on O6 -methylguanine to a cysteine residue on the enzyme, thereby restoring the normal G in DNA.