	increased_a2-6_binding
73	Glu->Lys
116	Ser->Asn
118	Ser->Pro
127	Ser->Ala
132	Gly->Arg
144	lle->Thr
177	Asn->Lys
178	Asp->Gly
181	Glu->Gly
183	Thr->lle
184	Lys->Arg
187	Gln->Arg/His
188	Asn->Lys
205	Val->lle
217	Gln->Leu
218	Ser->Asn
219	Gly->Ser
230	Pro->Ser
246	Glu->Lys
488	Arg->Lys
