HEADER IMMUNE SYSTEM 27-APR-06 2GSX TITLE Complement Receptor Type 2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: Complement receptor type 2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; EXPDTA SOLUTION SCATTERING DBREF 2GSX A 1 951 UNP P20023 CR2_HUMAN 21 971 SEQRES 1 A 73 GLU ILE THR CYS PRO PRO PRO PRO VAL ILE TYR ASN GLY SEQRES 2 A 73 ALA HIS THR GLY SER SER LEU GLU ASP PHE PRO TYR GLY SEQRES 3 A 73 THR THR VAL THR TYR THR CYS ASN PRO GLY PRO GLU ARG SEQRES 4 A 73 GLY VAL GLU PHE SER LEU ILE GLY GLU SER THR ILE ARG SEQRES 5 A 73 CYS THR SER ASN ASP GLN GLU ARG GLY THR TRP SER GLY SEQRES 6 A 73 PRO ALA PRO LEU CYS LYS LEU SER ATOM 1 CA GLU A 504 8.425 -45.128-115.501 1.00 0.00 ATOM 2 CA ILE A 505 10.328 -45.791-118.895 1.00 0.00 ATOM 3 CA THR A 506 14.017 -46.784-119.677 1.00 0.00 ATOM 4 CA CYS A 507 16.777 -44.123-120.874 1.00 77.57 ATOM 5 CA PRO A 508 16.617 -41.219-123.199 1.00 92.18 ATOM 6 CA PRO A 509 18.882 -41.020-126.138 1.00145.82 ATOM 7 CA PRO A 510 22.479 -40.541-125.297 1.00136.23 ATOM 8 CA PRO A 511 24.118 -37.221-125.575 1.00202.50 ATOM 9 CA VAL A 512 25.669 -36.438-128.907 1.00 60.76 ATOM 10 CA ILE A 513 29.240 -35.290-128.929 1.00165.39 ATOM 11 CA TYR A 514 30.840 -32.876-131.341 1.00128.75 ATOM 12 CA ASN A 515 33.431 -34.446-133.585 1.00 80.90 ATOM 13 CA GLY A 516 32.599 -37.788-132.069 1.00 33.59 ATOM 14 CA ALA A 517 30.235 -40.572-132.926 1.00 47.33 ATOM 15 CA HIS A 518 28.124 -43.119-131.147 1.00139.88 ATOM 16 CA THR A 519 29.192 -46.566-132.071 1.00 93.90 ATOM 17 CA GLY A 520 26.523 -49.081-132.849 1.00 82.47 ATOM 18 CA SER A 521 23.805 -46.685-131.846 1.00285.00 ATOM 19 CA SER A 522 20.897 -48.924-131.147 1.00134.05 ATOM 20 CA LEU A 523 17.244 -48.125-130.935 1.00278.28 ATOM 21 CA GLU A 524 16.649 -44.706-129.548 1.00 85.23 ATOM 22 CA ASP A 525 15.142 -46.573-126.704 1.00 78.72 ATOM 23 CA PHE A 526 18.108 -47.801-124.749 1.00120.32 ATOM 24 CA PRO A 527 17.392 -50.556-122.402 1.00175.88 ATOM 25 CA TYR A 528 18.246 -50.494-118.757 1.00112.05 ATOM 26 CA GLY A 529 21.856 -51.373-118.184 1.00 50.00 ATOM 27 CA THR A 530 22.577 -50.808-121.833 1.00109.75 ATOM 28 CA THR A 531 25.955 -49.369-122.647 1.00 68.79 ATOM 29 CA VAL A 532 26.845 -46.753-125.212 1.00123.12 ATOM 30 CA THR A 533 30.367 -46.242-126.438 1.00 68.18 ATOM 31 CA TYR A 534 31.706 -43.035-127.907 1.00144.69 ATOM 32 CA THR A 535 34.551 -42.481-130.316 1.00135.24 ATOM 33 CA CYS A 536 36.238 -39.477-131.892 1.00127.25 ATOM 34 CA ASN A 537 36.763 -38.868-135.585 1.00 98.08 ATOM 35 CA PRO A 538 40.095 -40.302-136.572 1.00196.23 ATOM 36 CA GLY A 539 39.143 -39.296-139.992 1.00170.67 ATOM 37 CA PRO A 540 38.764 -42.490-141.825 1.00213.82 ATOM 38 CA GLU A 541 41.744 -44.603-140.799 1.00121.11 ATOM 39 CA ARG A 542 42.965 -42.906-137.682 1.00222.87 ATOM 40 CA GLY A 543 44.900 -39.762-137.166 1.00 31.32 ATOM 41 CA VAL A 544 45.723 -37.098-134.702 1.00 67.08 ATOM 42 CA GLU A 545 42.487 -35.242-134.975 1.00230.59 ATOM 43 CA PHE A 546 40.358 -34.864-131.889 1.00144.74 ATOM 44 CA SER A 547 41.136 -36.874-128.797 1.00103.37 ATOM 45 CA LEU A 548 38.733 -38.528-126.428 1.00104.61 ATOM 46 CA ILE A 549 38.675 -37.092-122.976 1.00130.23 ATOM 47 CA GLY A 550 36.797 -38.638-120.109 1.00 45.11 ATOM 48 CA GLU A 551 34.804 -41.840-119.799 1.00158.02 ATOM 49 CA SER A 552 34.540 -43.441-123.194 1.00 97.20 ATOM 50 CA THR A 553 31.452 -45.354-122.141 1.00144.76 ATOM 51 CA ILE A 554 28.155 -44.498-120.480 1.00234.97 ATOM 52 CA ARG A 555 25.449 -46.764-119.110 1.00110.97 ATOM 53 CA CYS A 556 21.732 -46.533-118.483 1.00103.98 ATOM 54 CA THR A 557 20.936 -46.549-114.805 1.00140.08 ATOM 55 CA SER A 558 18.222 -45.478-112.431 1.00 83.05 ATOM 56 CA ASN A 559 18.031 -42.529-110.062 1.00217.89 ATOM 57 CA ASP A 560 14.485 -41.331-110.302 1.00237.73 ATOM 58 CA GLN A 561 12.054 -44.175-110.483 1.00280.20 ATOM 59 CA GLU A 562 11.558 -44.032-114.198 1.00261.64 ATOM 60 CA ARG A 563 12.910 -42.092-117.103 1.00380.21 ATOM 61 CA GLY A 564 16.219 -43.818-116.545 1.00130.34 ATOM 62 CA THR A 565 19.146 -41.463-116.562 1.00167.67 ATOM 63 CA TRP A 566 22.610 -42.054-117.841 1.00158.92 ATOM 64 CA SER A 567 25.544 -42.562-115.510 1.00 76.88 ATOM 65 CA GLY A 568 27.425 -39.431-116.406 1.00 74.95 ATOM 66 CA PRO A 569 28.373 -36.918-118.973 1.00 96.84 ATOM 67 CA ALA A 570 29.660 -37.931-122.349 1.00 71.48 ATOM 68 CA PRO A 571 33.264 -37.590-123.249 1.00107.46 ATOM 69 CA LEU A 572 34.723 -34.671-125.154 1.00109.14 ATOM 70 CA CYS A 573 36.714 -34.873-128.357 1.00130.59 ATOM 71 CA LYS A 574 39.082 -31.750-128.151 1.00 0.00 ATOM 72 CA LEU A 575 42.657 -30.216-128.014 1.00 0.00 ATOM 73 CA SER A 576 45.204 -28.475-125.437 1.00 0.00 TER