Chain A ( L90 E140 L141 R160 M185 N187 D203 E205 W442 T443 F444 V445 A446 N447 S448 K449 Q450 A451 L452 L453 D454 T455 M456 T457 ),  Chain C ( I64 Y66 R67 A68 Y69 L90 N91 P92 C109 T111 Y136 A138 K139 E140 L141 W159 R160 C161 G162 V163 T164 M185 N187 T189 D203 G204 E205 F206 Y208 D440 G441 W442 T443 F444 V445 A446 N447 S448 K449 Q450 A451 L452 L453 D454 T455 M456 T457 ),  Chain B ( A68 L90 N91 P92 E140 L141 R160 M185 N187 D203 G204 E205 F206 Y208 G441 W442 T443 F444 V445 A446 N447 S448 K449 Q450 A451 L452 L453 D454 T455 M456 T457 )