Chain A ( M45 N153 D154 K155 M156 K157 G158 F159 Y160 R161 S162 K163 Y164 Y173 V176 T177 Q178 F179 E180 A181 T182 D183 A184 R185 D192 S242 T243 Y244 L245 P271 Q277 F280 A281 V284 T288 Y292 F296 I308 A309 I310 A311 D312 F313 A314 A315 G316 A317 M318 E319 N320 V324 T325 Y326 R327 E328 T329 A330 L331 L332 I333 D334 S338 C339 S341 S342 R343 Q344 W345 V346 A347 L348 V349 V350 G351 H352 E353 L354 A355 H356 Q357 W358 F359 G360 N361 M365 W368 L371 N374 E375 G376 F377 A378 S379 W380 I381 E382 Y383 F399 S401 A402 D403 Y404 T405 R406 A407 Q408 E409 L410 D411 A412 N415 S416 H417 H425 P426 S427 E428 V429 D430 E431 I432 F433 D434 A435 I436 S437 Y438 S439 K440 G441 A442 S443 F503 F588 R590 N620 C657 S745 L749 M772 Q773 E774 N777 R778 E780 R781 L796 A799 L800 V804 R805 P806 Q807 D808 T809 V810 S811 V812 I813 G814 G815 V816 A817 G818 A827 F830 I831 K832 D833 N834 W835 E837 L838 Y839 R841 Y842 Q843 G844 G845 F846 L847 I848 S849 R850 L851 I852 K853 L854 S855 E857 F871 F872 A877 P878 S879 A880 E881 R882 T883 I884 Q885 Q886 C887 )