Chain A ( T496 E497 L498 T499 A501 L502 S505 F506 R508 N509 L617 N618 I620 A621 F622 W623 R624 E625 K626 L627 G628 V629 A630 P631 W632 L633 N742 L743 E744 N745 V747 N748 K958 N959 N1182 S1183 E1184 F1185 H1190 L1191 V1192 R1193 P1194 T1195 L1196 R1197 W1198 I1199 A1201 S1202 H1203 Q1204 Q1215 D1217 Y1218 S1219 N1220 L1221 L1222 T1223 Q1224 C1225 L1226 E1227 G1228 G1229 A1230 S1231 F1232 S1233 L1234 T1235 Y1236 L1237 I1238 Q1239 C1240 A1241 Q1242 L1243 H1245 F1276 L1277 M1278 D1279 N1280 P1281 A1282 F1283 A1284 G1285 G1286 A1287 G1288 F1289 R1290 F1291 N1292 L1293 W1294 R1295 S1446 A1449 M1450 K1451 H1452 G1453 G1454 S1455 L1456 N1457 P1458 N1459 Q1460 E1461 R1462 M1463 L1464 F1465 A1468 Q1469 E1470 Y1471 D1472 R1473 V1474 C1475 T1476 L1477 L1478 E1479 E1480 S1578 S1580 V1581 R1582 L1583 L1584 G1585 A1586 P1587 V1588 K1589 K1590 S1591 G1592 G1593 V1594 T1595 T1596 I1597 S1598 )