Cholera toxin. CTX Cl、H2O GTP CAMP GDP CTX leads to Gsaarg20I ADP ribosylation AC ATP
GTP GDP AC cAMP Cholera toxin, CTX CTX leads to Gsαarg201 ADPribosylation ATP Cl-、H2O
Pertussis toxin. PtX G PtX leads to Gia ADp ribosylation blocks its activation AC PLCβ
Pertussis toxin, PTX PTX leads to Giα ADPribosylation, blocks its activation Giα - + AC PLCβ
(2)signal transduction pathway introduced by tpK Receptor tyrosine protein kinase, RTK(20 types) PTK-linking receptor OUTSIDE,EGF OF CELL\ binding 歌歌眼国数 Plasma membrane ①yr (-Tyd TyrP (P-Tyr ( TyP Tyr ①yTy Tyr TyrP ①Tyr Tyr(Ty P-Tyr TyrP Cytosolic Activation of the EGF recepto
(2) signal transduction pathway introduced by TPK • Receptor tyrosine protein kinase, RTK (20 types) • PTK-linking receptor