ep: one GM1 molecule
 Asp‐111 −5.6
 Lys‐113 −8.2
 Gln‐134 −8.6
 Phe‐135 −20.1
 Cys‐136 −7.0
 Asn‐137 −15.2
 Asp‐138 −6.4
 Arg‐158 −17.4
 Ser‐161 −9.7