PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26136744-9 2015 Findings from these simulations include: Tyr42 may function as a molecular switch that converts the HA-binding site from a low affinity to a high affinity state; in the partially disordered form of HABD, basic amino acids in the C-terminal region can gain sufficient mobility to form direct contacts with bound HA to further stabilize binding; and terminal sialic acids on covalently attached N-glycans can form charge-paired hydrogen bonding interactions with basic amino acids that could otherwise bind to HA, thereby blocking HA binding to glycosylated CD44 HABD. Tolonium Chloride 204-209 CD44 molecule (Indian blood group) Homo sapiens 556-560