Chain A ( W13 K14 L17 F25 E26 K29 R30 I33 L34 E35 V36 D37 R38 T39 E40 A41 K42 A44 L45 G48 S49 K50 I51 H53 A54 V55 S56 R57 G58 S59 S60 K61 I62 R63 W64 I65 V66 E67 R68 P73 V77 V78 D79 L80 G81 C82 G83 R84 G85 G86 W87 S88 Y89 Y90 M91 A92 T93 L94 V97 V100 K101 G102 Y103 T104 K105 G106 G107 P108 G109 H110 E111 E112 P113 I114 M116 T118 V124 L126 V130 D131 V132 F133 L144 C145 D146 I147 G148 E149 S150 E157 T161 V164 M167 C179 K181 V182 L183 N184 P185 Y186 V206 R207 C208 P209 L210 S211 R212 N213 S214 T215 H216 E217 M218 Y219 T235 M238 L239 K249 P250 T251 Y252 E253 D255 V256 L258 R467 )