0 11 Comparative comparative JJ 12 20 analysis analysis NN 21 23 of of IN 24 28 NFAT NFAT NNP 29 30 ( ( ( 30 37 nuclear nuclear JJ 38 44 factor factor NN 45 47 of of IN 48 57 activated activate VBN 58 59 T t NN 60 65 cells cell NNS 65 66 ) ) ) 67 74 complex complex NN 75 77 in in IN 78 83 human human JJ 84 85 T t NN 86 89 and and CC 90 91 B b NN 92 103 lymphocytes lymphocyte NNS 103 104 . . . 106 113 Nuclear nuclear JJ 114 120 factor factor NN 121 123 of of IN 124 133 activated activate VBN 134 135 T t NN 136 141 cells cell NNS 142 143 ( ( ( 143 147 NFAT NFAT NNP 147 148 ) ) ) 149 151 is be VBZ 152 153 a a DT 154 169 transcriptional transcriptional JJ 170 179 activator activator NN 180 184 that that WDT 185 190 binds bind VBZ 191 193 to to TO 194 203 sequences sequence NNS 204 206 in in IN 207 210 the the DT 211 224 interleukin-2 interleukin-2 NN 225 226 ( ( ( 226 230 IL-2 il-2 NN 230 231 ) ) ) 232 240 promoter promoter NN 241 244 and and CC 245 247 is be VBZ 248 255 thought think VBN 256 258 to to TO 259 261 be be VB 262 269 largely largely RB 270 281 responsible responsible JJ 282 285 for for IN 286 289 the the DT 290 291 T t NN 292 305 cell-specific cell-specific JJ 306 318 inducibility inducibility NN 319 321 of of IN 322 326 IL-2 il-2 NN 327 337 expression expression NN 337 338 . . . 339 354 Electrophoretic electrophoretic JJ 355 363 mobility mobility NN 364 369 shift shift NN 370 376 assays assay NNS 377 378 ( ( ( 378 382 EMSA EMSA NNP 382 383 ) ) ) 384 390 showed show VBD 391 395 that that IN 396 404 specific specific JJ 405 409 NFAT nfat NN 410 417 binding binding NN 418 426 activity activity NN 427 432 could could MD 433 437 also also RB 438 440 be be VB 441 448 induced induce VBN 449 451 in in IN 452 457 human human JJ 458 459 B B NNP 460 465 cells cell NNS 465 466 . . . 467 470 The the DT 471 472 B B NNP 473 477 cell cell NN 478 482 NFAT nfat NN 483 490 complex complex NN 490 491 , , , 492 499 however however RB 499 500 , , , 501 504 was be VBD 505 508 not not RB 509 519 functional functional JJ 519 520 , , , 521 526 since since IN 527 529 it it PRP 530 536 failed fail VBD 537 539 to to TO 540 548 activate activate VB 549 562 transcription transcription NN 563 567 from from IN 568 570 an an DT 571 582 NFAT-driven nfat-driven JJ 583 598 chloramphenicol chloramphenicol NN 599 616 acetyltransferase acetyltransferase NN 617 618 ( ( ( 618 621 CAT CAT NNP 621 622 ) ) ) 623 632 construct construct NN 632 633 . . . 634 645 Competition competition NN 646 650 with with IN 651 653 an an DT 654 658 AP-1 ap-1 NN 659 664 motif motif NN 665 667 or or CC 668 672 with with IN 673 681 anti-Jun anti-jun JJ 682 685 and and CC 686 694 anti-Fos anti-fos JJ 695 705 antibodies antibody NNS 706 715 abolished abolish VBD 716 723 binding binding NN 724 726 to to TO 727 730 the the DT 731 735 NFAT nfat NN 736 741 motif motif NN 742 744 in in IN 745 749 both both CC 750 751 T t NN 752 755 and and CC 756 757 B b NN 758 763 cells cell NNS 763 764 , , , 765 775 indicating indicate VBG 776 780 that that IN 781 784 Jun Jun NNP 785 788 and and CC 789 792 Fos Fos NNP 793 796 are be VBP 797 805 critical critical JJ 806 809 for for IN 810 814 NFAT NFAT NNP 815 822 complex complex NN 823 832 formation formation NN 833 835 in in IN 836 840 both both DT 841 845 cell cell NN 846 851 types type NNS 851 852 . . . 853 861 Purified purify VBN 862 873 recombinant recombinant JJ 874 877 Jun Jun NNP 878 881 and and CC 882 885 Fos Fos NNP 886 894 proteins protein NNS 895 901 failed fail VBD 902 904 to to TO 905 909 bind bind VB 910 918 directly directly RB 919 921 to to TO 922 925 the the DT 926 930 NFAT NFAT NNP 931 936 motif motif NN 936 937 . . . 938 945 However however RB 945 946 , , , 947 951 when when WRB 952 960 combined combine VBN 961 965 with with IN 966 978 unstimulated unstimulated JJ 979 980 B b NN 981 983 or or CC 984 985 T t NN 986 990 cell cell NN 991 999 extracts extract NNS 999 1000 , , , 1001 1012 full-length full-length JJ 1012 1013 , , , 1014 1017 but but CC 1018 1021 not not RB 1022 1031 truncated truncate VBN 1031 1032 , , , 1033 1040 Jun/Fos Jun/Fos NNP 1041 1053 heterodimers heterodimer NNS 1054 1058 were be VBD 1059 1063 able able JJ 1064 1066 to to TO 1067 1071 form form VB 1072 1074 an an DT 1075 1079 NFAT nfat NN 1080 1087 complex complex NN 1087 1088 , , , 1089 1099 indicating indicate VBG 1100 1103 the the DT 1104 1112 presence presence NN 1113 1115 of of IN 1116 1117 a a DT 1118 1132 constitutively constitutively RB 1133 1142 expressed express VBN 1143 1150 nuclear nuclear JJ 1151 1160 factor(s) factor(s) NN 1161 1163 in in IN 1164 1165 B B NNP 1166 1169 and and CC 1170 1171 T t NN 1172 1177 cells cell NNS 1178 1187 necessary necessary JJ 1188 1191 for for IN 1192 1195 the the DT 1196 1205 formation formation NN 1206 1208 of of IN 1209 1212 the the DT 1213 1217 NFAT NFAT NNP 1218 1225 complex complex NN 1226 1228 in in IN 1229 1233 both both DT 1234 1238 cell cell NN 1239 1244 types type NNS 1244 1245 . . . 1246 1248 An an DT 1249 1253 NFAT NFAT NNP 1254 1269 oligonucleotide oligonucleotide NN 1270 1278 carrying carry VBG 1279 1288 mutations mutation NNS 1289 1291 in in IN 1292 1295 the the DT 1296 1297 5 5 CD 1297 1298 ’ ' SYM 1299 1310 purine-rich purine-rich JJ 1311 1315 part part NN 1316 1318 of of IN 1319 1322 the the DT 1323 1327 NFAT NFAT NNP 1328 1336 sequence sequence NN 1337 1343 failed fail VBD 1344 1346 to to TO 1347 1351 form form VB 1352 1353 a a DT 1354 1361 complex complex NN 1362 1365 and and CC 1366 1368 to to TO 1369 1376 compete compete VB 1377 1381 with with IN 1382 1385 the the DT 1386 1390 wild wild JJ 1391 1395 type type NN 1396 1401 motif motif NN 1402 1405 for for IN 1406 1410 NFAT NFAT NNP 1411 1418 complex complex NN 1419 1428 formation formation NN 1429 1431 in in IN 1432 1436 both both CC 1437 1438 T t NN 1439 1442 and and CC 1443 1444 B b NN 1445 1450 cells cell NNS 1450 1451 . . . 1452 1454 We we PRP 1455 1464 therefore therefore RB 1465 1472 propose propose VBP 1473 1474 a a DT 1475 1480 model model NN 1481 1488 whereby whereby WRB 1489 1490 a a DT 1491 1495 core core NN 1496 1500 NFAT nfat NN 1501 1508 complex complex NN 1509 1519 consisting consist VBG 1520 1522 of of IN 1523 1526 Jun Jun NNP 1526 1527 , , , 1528 1531 Fos Fos NNP 1531 1532 , , , 1533 1536 and and CC 1537 1538 a a DT 1539 1551 constitutive constitutive JJ 1552 1559 nuclear nuclear JJ 1560 1566 factor factor NN 1567 1569 is be VBZ 1570 1576 formed form VBN 1577 1579 in in IN 1580 1584 both both CC 1585 1586 T t NN 1587 1590 and and CC 1591 1592 B b NN 1593 1598 cells cell NNS 1598 1599 , , , 1600 1603 but but CC 1604 1606 an an DT 1607 1617 additional additional JJ 1618 1624 factor factor NN 1625 1631 and/or and/or CC 1632 1650 post-translational post-translational JJ 1651 1663 modification modification NN 1664 1666 of of IN 1667 1668 a a DT 1669 1675 factor factor NN 1675 1676 , , , 1677 1684 missing miss VBG 1685 1687 in in IN 1688 1689 B B NNP 1690 1695 cells cell NNS 1695 1696 , , , 1697 1702 might might MD 1703 1705 be be VB 1706 1714 required require VBN 1715 1718 for for IN 1719 1734 transactivation transactivation NN 1735 1737 by by IN 1738 1742 NFAT NFAT NNP 1742 1743 . . .