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inlB | Internalin B; Mediates the entry of L.monocytogenes into normally non- phagocytic mammalian host cells. Its host receptor is hepatocyte growth factor receptor (HGF receptor, a tyrosine kinase, MET) which is tyrosine-phosphorylated in response to InlB. Downstream targets MAPK1/MAPK3 (Erk1/2) and AKT are phosphorylated in response to InlB, which also causes cell colony scattering. Complement component 1 Q subcomponent-binding protein (gC1q-R, C1QBP) has been suggested to also act an InlB receptor, but this is less certain. Stimulation of Tyr-phosphorylation of MET by InlB is potentiated [...] (630 aa) | ||||
inlA | Internalin A; Mediates the entry of L.monocytogenes into host intestinal epithelial cells; transformation with inlA alone allows L.innocua (a non-invasive species) to be taken up by host cells. Binds to human receptor cadherin-1 (E-cadherin, CDH1); the chicken homolog of cadherin-1 but not cadherin- 2 function as receptors. Mouse cadherin-1 is not a receptor, however mutating a single surface-exposed residue (Glu-172 to Pro in mouse) allows cadherin-1 to act as a receptor for InlA ; Belongs to the internalin family. (800 aa) |