Chain A ( C370 Q371 D372 N373 T374 D375 C379 E380 R381 C382 R383 E384 N385 F386 F387 R388 L389 C395 S396 S397 C398 H399 C400 S401 P402 V403 G404 S405 L406 S407 T408 Q409 C410 D411 S412 Y413 G414 R415 C416 S417 C418 K419 P420 V422 M423 G424 D425 K426 C427 D428 R429 ),  Chain B ( C370 Q371 D372 N373 T374 D375 C379 E380 R381 C382 R383 E384 N385 F386 F387 R388 L389 C395 S396 S397 C398 H399 C400 S401 P402 V403 G404 S405 L406 S407 T408 Q409 C410 D411 S412 Y413 G414 R415 C416 S417 C418 K419 P420 V422 M423 G424 D425 K426 C427 D428 R429 )