Chain A ( L36 E39 I40 E42 N43 L44 A45 Y46 L47 A48 A50 T73 N74 F75 M76 G77 T78 A79 F80 L81 L82 A83 L84 L85 G86 G87 F88 L89 S90 D91 A92 F93 L148 Y149 L150 V151 A152 L153 G154 V155 G156 G157 I158 K159 G160 S161 L162 A163 S164 H165 G166 A167 E168 F170 R178 K179 Q180 R181 S182 T183 F184 F185 N186 Y187 F188 V189 F190 C191 L192 A193 C194 G195 A196 L197 V198 A199 K240 P242 G244 S245 P246 L247 T249 I250 V341 I343 V344 L345 M347 L348 F351 T354 I355 L357 N358 C359 C360 L361 A362 P390 I391 F392 P393 V394 I397 R427 Y476 L477 F478 L479 G480 S481 A482 D483 L484 F485 T486 L487 A488 G489 L490 L491 E492 Y493 F494 F495 T496 E497 A498 P499 M502 R503 S504 L505 A506 T507 S508 L509 S510 W511 A512 S513 L514 A515 M516 G517 Y518 Y519 L520 S521 V523 )