Some elements exist naturally as molecules. For example, hydrogen and oxygen exist as two-atom molecules.

TLS Online TPP Program

#Id: 1333

#XL - T Zoology

Cholera toxin, secreted by Vibrio cholerae Catalyze a covalent modification of the Gαs protein Inhibit GAP activity.

TLS Online TPP Program

#Id: 1334

#XL - T Zoology

The pertussis toxin, produced by Bordetella pertussis Catalyze a covalent modification of the Gαi protein preventing GDP-GTP exchange.

TLS Online TPP Program

#Id: 1335

#XL - T Zoology

The bacterial toxins that cause cholera and pertussis are enzymes that catalyze transfer of the ADP ribose moiety.

TLS Online TPP Program

#Id: 1336

#XL - T Zoology

RTK ligands- NGF, PDGF, FGF, EGF

TLS Online TPP Program

#Id: 1337

#XL - T Zoology

All RTKs have a cytosolic domain with protein tyrosine kinase activity

TLS Online TPP Program

#Id: 1338

#XL - T Zoology

The EGFR specifically binds EGF in a lock-and-key type of mechanism.