Chain A ( L89 G90 L91 A92 G93 S94 I95 P96 L97 Q109 F112 S113 V115 F116 F119 S120 K122 L123 E187 S214 S218 Q221 T222 Y225 F226 N229 V230 L231 L233 F313 I317 K321 F324 S325 A326 A327 D328 A329 V330 T331 G332 L333 L335 E343 H344 L345 A346 L347 L348 A349 M352 V353 L355 Q356 I357 I358 L359 P360 L361 I362 I363 P372 L373 F376 R383 Y390 V414 Y418 A419 L420 H421 Q422 V423 T424 V425 Y426 S427 M428 Y429 V430 S431 I432 M433 A434 N436 M449 N453 S456 N457 G460 N461 S464 A467 L468 V471 F532 )