Chain A ( E23 Y25 P27 S28 Q29 F58 C59 T60 D61 R62 E63 D64 I65 N66 S67 L68 C69 M70 T71 V72 V73 V92 G93 T94 E95 T96 I97 I98 D99 K100 S101 K102 S103 V104 K105 T106 N107 L108 M109 Q110 L111 E113 D124 T126 N127 A128 C129 Y130 V156 A157 G158 D159 I160 A161 V162 Y163 A164 R169 V174 G175 A176 V177 A178 F204 Y205 K206 P207 D208 M209 L210 S211 E212 Y213 P214 I215 Y345 T346 S377 G378 V422 F423 A424 E425 N426 M427 K428 L429 R430 E431 D432 T433 H434 H435 L436 V437 Y439 I440 P441 Q442 G443 S444 I445 S447 L448 T452 W453 Y454 L455 V456 R457 V458 H462 R464 T465 Y466 A467 )