HEADER IMMUNE SYSTEM 31-DEC-69 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 56 GLU THR CYS GLN HIS VAL ARG GLN SER LEU GLN GLU LEU SEQRES 2 A 56 PRO ALA GLY SER ARG VAL GLU LEU VAL ASN THR SER CYS SEQRES 3 A 56 GLN ASP GLY TYR GLN LEU THR GLY HIS ALA TYR GLN MET SEQRES 4 A 56 CYS GLN ASP ALA GLU ASN GLY ILE TRP PHE LYS LYS ILE SEQRES 5 A 56 PRO LEU CYS LYS ATOM 1 CA GLU A 640 81.535 5.145-134.300 1.00 0.00 ATOM 2 CA THR A 641 83.194 8.715-134.290 1.00 0.00 ATOM 3 CA CYS A 642 86.858 10.424-135.282 1.00 68.35 ATOM 4 CA GLN A 643 89.532 9.702-137.789 1.00 61.09 ATOM 5 CA HIS A 644 91.844 6.913-136.793 1.00 74.70 ATOM 6 CA VAL A 645 94.269 7.945-134.106 1.00 81.05 ATOM 7 CA ARG A 646 97.595 6.233-134.436 1.00276.48 ATOM 8 CA GLN A 647 98.256 3.910-131.594 1.00102.53 ATOM 9 CA SER A 648 101.137 5.595-129.952 1.00 97.35 ATOM 10 CA LEU A 649 103.822 3.082-129.435 1.00 52.35 ATOM 11 CA GLN A 650 103.553 1.678-125.961 1.00 98.55 ATOM 12 CA GLU A 651 100.275 3.443-125.426 1.00118.04 ATOM 13 CA LEU A 652 96.557 2.679-125.692 1.00177.40 ATOM 14 CA PRO A 653 93.958 3.729-128.267 1.00205.70 ATOM 15 CA ALA A 654 90.135 3.817-128.625 1.00132.90 ATOM 16 CA GLY A 655 87.845 5.902-130.734 1.00293.92 ATOM 17 CA SER A 656 84.313 6.938-131.488 1.00178.90 ATOM 18 CA ARG A 657 82.453 10.189-131.852 1.00138.92 ATOM 19 CA VAL A 658 81.845 10.317-128.178 1.00155.45 ATOM 20 CA GLU A 659 84.823 8.566-126.739 1.00170.32 ATOM 21 CA LEU A 660 87.300 10.267-124.541 1.00147.02 ATOM 22 CA VAL A 661 90.724 8.938-124.769 1.00141.35 ATOM 23 CA ASN A 662 93.124 9.156-121.943 1.00 86.04 ATOM 24 CA THR A 663 96.642 8.529-122.913 1.00162.32 ATOM 25 CA SER A 664 98.453 6.242-120.620 1.00 61.99 ATOM 26 CA CYS A 665 101.822 4.939-121.531 1.00124.16 ATOM 27 CA GLN A 666 103.064 1.568-120.505 1.00 59.24 ATOM 28 CA ASP A 667 105.051 1.781-117.336 1.00 41.20 ATOM 29 CA GLY A 668 108.535 3.010-118.096 1.00 32.44 ATOM 30 CA TYR A 669 107.398 5.364-120.822 1.00 74.14 ATOM 31 CA GLN A 670 106.122 8.822-120.032 1.00128.93 ATOM 32 CA LEU A 671 103.633 10.590-122.221 1.00160.09 ATOM 33 CA THR A 672 104.705 13.667-124.069 1.00 59.05 ATOM 34 CA GLY A 673 101.620 15.522-125.072 1.00 49.28 ATOM 35 CA HIS A 674 98.213 15.919-123.544 1.00 88.75 ATOM 36 CA ALA A 675 96.822 13.538-120.994 1.00 51.93 ATOM 37 CA TYR A 676 93.330 13.276-122.428 1.00122.31 ATOM 38 CA GLN A 677 91.615 14.101-125.681 1.00136.89 ATOM 39 CA MET A 678 87.984 13.528-126.359 1.00104.48 ATOM 40 CA CYS A 679 86.495 12.840-129.743 1.00 88.94 ATOM 41 CA GLN A 680 83.789 15.398-130.106 1.00140.01 ATOM 42 CA ASP A 681 81.313 17.248-132.284 1.00127.29 ATOM 43 CA ALA A 682 82.155 17.725-135.934 1.00 65.00 ATOM 44 CA GLU A 683 81.257 21.357-136.221 1.00147.54 ATOM 45 CA ASN A 684 83.706 22.356-133.585 1.00101.12 ATOM 46 CA GLY A 685 86.231 20.126-135.235 1.00 85.19 ATOM 47 CA ILE A 686 87.808 16.740-134.712 1.00158.41 ATOM 48 CA TRP A 687 89.562 15.136-131.717 1.00150.97 ATOM 49 CA PHE A 688 90.151 17.508-128.874 1.00116.77 ATOM 50 CA LYS A 689 93.873 17.482-129.043 1.00165.20 ATOM 51 CA LYS A 690 96.761 16.068-130.977 1.00192.83 ATOM 52 CA ILE A 691 97.954 12.720-129.706 1.00126.67 ATOM 53 CA PRO A 692 100.900 12.491-127.435 1.00119.52 ATOM 54 CA LEU A 693 103.964 10.354-127.930 1.00142.57 ATOM 55 CA CYS A 694 105.395 8.148-125.231 1.00164.98 ATOM 56 CA LYS A 695 109.290 8.223-124.574 1.00 0.00 TER