Chain A ( E9 L10 F11 Y12 D13 S16 Y18 S19 G22 I25 L26 Q38 L39 R40 P41 S42 L43 I44 T45 G46 I47 M48 K49 D50 S51 G52 N53 K54 P55 P56 G57 L58 L59 P60 R61 K62 G63 L64 Y65 M66 A67 N68 D69 L70 L72 L73 H76 F87 L88 M91 L92 T172 A174 A175 C176 R177 Y178 G179 A180 F181 G182 L183 P184 I185 T186 V187 H195 M196 L197 F198 G199 S200 D201 R202 M203 L205 P217 ),  Chain B ( D13 V14 L15 S16 P17 Y18 S19 W20 L21 G22 I25 I44 T45 G46 I47 M48 K49 S51 G52 N53 K54 P55 P56 G57 L58 L59 P60 R61 K62 G63 L64 Y65 M66 A67 N68 D69 L70 K71 L72 L73 R74 L77 I79 P80 I81 H82 F83 F87 L88 M91 L92 S96 W122 W126 G179 A180 F181 G182 L183 P184 I185 M196 L197 F198 G199 S200 D201 R202 M203 E204 L205 W214 )