Internalin B

UniProtKB accession:  P0DQD2

Grouped By:  Matching UniProtKB accession

UniProtKB description:  Mediates the entry of L.monocytogenes into normally non-phagocytic mammalian host cells (PubMed:19900460). 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 (PubMed:19900460, PubMed:21345802, PubMed:22887347, PubMed:27789707). 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 by the InlB GW domains and glycosaminoglycans such as heparin (By similarity).