HEADER CYTOKINE, HORMONE/GROWTH FACTOR receptor25-OCT-04 1XU2 TITLE The crystal structure of APRIL bound to BCMA COMPND MOL_ID: 2; COMPND 2 MOLECULE: Tumor necrosis factor receptor superfamily member 17; COMPND 3 CHAIN: R, S, T; COMPND 4 FRAGMENT: BCMA ; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.35 ANGSTORMS DBREF 1XU2 T 5 51 UNP Q02223 TNR17_HUMAN 5 51 SEQRES 1 T 35 CYS SER GLN ASN GLU TYR PHE ASP SER LEU LEU HIS ALA SEQRES 2 T 35 CYS ILE PRO CYS GLN LEU ARG CYS SER SER ASN THR PRO SEQRES 3 T 35 PRO LEU THR CYS GLN ARG TYR CYS ASN ATOM 1 N CYS T 8 27.555 84.099 -24.016 1.00 28.45 ATOM 2 CA CYS T 8 26.213 84.537 -24.506 1.00 33.05 ATOM 3 C CYS T 8 26.039 84.281 -26.000 1.00 32.27 ATOM 4 O CYS T 8 27.010 84.042 -26.714 1.00 34.09 ATOM 5 CB CYS T 8 26.012 86.032 -24.251 1.00 35.38 ATOM 6 SG CYS T 8 25.372 86.486 -22.625 1.00 41.77 ATOM 7 N SER T 9 24.789 84.350 -26.458 1.00 31.36 ATOM 8 CA SER T 9 24.455 84.247 -27.877 1.00 29.50 ATOM 9 C SER T 9 24.668 85.581 -28.589 1.00 28.31 ATOM 10 O SER T 9 24.943 86.598 -27.951 1.00 26.55 ATOM 11 CB SER T 9 22.994 83.818 -28.038 1.00 28.70 ATOM 12 OG SER T 9 22.651 82.728 -27.092 1.00 29.83 ATOM 13 N GLN T 10 24.531 85.567 -29.915 1.00 27.40 ATOM 14 CA GLN T 10 24.663 86.778 -30.726 1.00 27.50 ATOM 15 C GLN T 10 23.571 87.778 -30.361 1.00 29.27 ATOM 16 O GLN T 10 22.439 87.388 -30.068 1.00 31.81 ATOM 17 CB GLN T 10 24.584 86.446 -32.223 1.00 27.14 ATOM 18 CG GLN T 10 24.997 87.593 -33.144 1.00 25.59 ATOM 19 CD GLN T 10 24.809 87.259 -34.612 1.00 23.32 ATOM 20 OE1 GLN T 10 25.749 86.830 -35.275 1.00 23.31 ATOM 21 NE2 GLN T 10 23.596 87.454 -35.121 1.00 21.82 ATOM 22 N ASN T 11 23.926 89.062 -30.373 1.00 28.66 ATOM 23 CA ASN T 11 23.008 90.139 -30.006 1.00 28.10 ATOM 24 C ASN T 11 22.394 89.948 -28.610 1.00 29.03 ATOM 25 O ASN T 11 21.205 90.190 -28.407 1.00 26.95 ATOM 26 CB ASN T 11 21.903 90.301 -31.064 1.00 28.26 ATOM 27 CG ASN T 11 22.454 90.457 -32.473 1.00 28.69 ATOM 28 OD1 ASN T 11 22.002 89.791 -33.408 1.00 27.42 ATOM 29 ND2 ASN T 11 23.428 91.346 -32.633 1.00 28.84 ATOM 30 N GLU T 12 23.217 89.485 -27.668 1.00 29.86 ATOM 31 CA GLU T 12 22.875 89.449 -26.243 1.00 28.71 ATOM 32 C GLU T 12 24.121 89.782 -25.417 1.00 27.82 ATOM 33 O GLU T 12 25.245 89.554 -25.863 1.00 26.58 ATOM 34 CB GLU T 12 22.332 88.070 -25.825 1.00 30.76 ATOM 35 CG GLU T 12 21.250 87.484 -26.741 1.00 33.15 ATOM 36 CD GLU T 12 20.612 86.190 -26.210 1.00 33.12 ATOM 37 OE1 GLU T 12 21.156 85.563 -25.271 1.00 34.83 ATOM 38 OE2 GLU T 12 19.546 85.802 -26.730 1.00 31.81 ATOM 39 N TYR T 13 23.912 90.309 -24.211 1.00 29.22 ATOM 40 CA TYR T 13 25.000 90.684 -23.295 1.00 28.94 ATOM 41 C TYR T 13 24.811 90.030 -21.936 1.00 30.76 ATOM 42 O TYR T 13 23.682 89.734 -21.530 1.00 30.96 ATOM 43 CB TYR T 13 25.064 92.215 -23.111 1.00 27.87 ATOM 44 CG TYR T 13 23.957 92.813 -22.244 1.00 26.65 ATOM 45 CD1 TYR T 13 22.678 93.001 -22.750 1.00 26.00 ATOM 46 CD2 TYR T 13 24.203 93.207 -20.924 1.00 26.45 ATOM 47 CE1 TYR T 13 21.666 93.550 -21.973 1.00 23.97 ATOM 48 CE2 TYR T 13 23.197 93.754 -20.133 1.00 25.94 ATOM 49 CZ TYR T 13 21.920 93.923 -20.661 1.00 27.95 ATOM 50 OH TYR T 13 20.893 94.475 -19.890 1.00 23.10 ATOM 51 N PHE T 14 25.914 89.829 -21.221 1.00 30.74 ATOM 52 CA PHE T 14 25.823 89.392 -19.835 1.00 30.76 ATOM 53 C PHE T 14 25.485 90.578 -18.941 1.00 29.67 ATOM 54 O PHE T 14 26.268 91.518 -18.821 1.00 29.25 ATOM 55 CB PHE T 14 27.107 88.721 -19.350 1.00 31.83 ATOM 56 CG PHE T 14 26.925 87.966 -18.063 1.00 35.65 ATOM 57 CD1 PHE T 14 26.229 86.760 -18.046 1.00 37.02 ATOM 58 CD2 PHE T 14 27.411 88.476 -16.863 1.00 37.29 ATOM 59 CE1 PHE T 14 26.041 86.062 -16.865 1.00 37.56 ATOM 60 CE2 PHE T 14 27.228 87.783 -15.672 1.00 38.43 ATOM 61 CZ PHE T 14 26.541 86.573 -15.674 1.00 38.91 ATOM 62 N ASP T 15 24.304 90.528 -18.334 1.00 29.05 ATOM 63 CA ASP T 15 23.865 91.540 -17.387 1.00 28.33 ATOM 64 C ASP T 15 24.382 91.148 -16.004 1.00 27.01 ATOM 65 O ASP T 15 23.974 90.129 -15.454 1.00 24.78 ATOM 66 CB ASP T 15 22.339 91.622 -17.396 1.00 30.30 ATOM 67 CG ASP T 15 21.816 92.903 -16.799 1.00 29.46 ATOM 68 OD1 ASP T 15 22.187 93.224 -15.662 1.00 28.44 ATOM 69 OD2 ASP T 15 21.009 93.646 -17.390 1.00 32.00 ATOM 70 N SER T 16 25.291 91.958 -15.466 1.00 26.04 ATOM 71 CA SER T 16 25.888 91.718 -14.157 1.00 28.24 ATOM 72 C SER T 16 24.943 91.995 -12.998 1.00 26.97 ATOM 73 O SER T 16 25.233 91.614 -11.871 1.00 27.32 ATOM 74 CB SER T 16 27.140 92.571 -13.973 1.00 30.06 ATOM 75 OG SER T 16 28.260 91.886 -14.480 1.00 35.93 ATOM 76 N LEU T 17 23.846 92.698 -13.256 1.00 28.93 ATOM 77 CA LEU T 17 22.825 92.899 -12.225 1.00 27.76 ATOM 78 C LEU T 17 21.977 91.646 -12.074 1.00 27.78 ATOM 79 O LEU T 17 21.794 91.149 -10.968 1.00 27.74 ATOM 80 CB LEU T 17 21.936 94.097 -12.547 1.00 26.87 ATOM 81 CG LEU T 17 20.894 94.434 -11.474 1.00 26.78 ATOM 82 CD1 LEU T 17 21.557 94.691 -10.084 1.00 22.32 ATOM 83 CD2 LEU T 17 20.031 95.617 -11.917 1.00 26.41 ATOM 84 N LEU T 18 21.493 91.132 -13.202 1.00 25.92 ATOM 85 CA LEU T 18 20.563 90.012 -13.223 1.00 22.75 ATOM 86 C LEU T 18 21.250 88.637 -13.252 1.00 24.05 ATOM 87 O LEU T 18 20.573 87.618 -13.106 1.00 27.52 ATOM 88 CB LEU T 18 19.614 90.158 -14.425 1.00 23.11 ATOM 89 CG LEU T 18 18.967 91.544 -14.607 1.00 25.97 ATOM 90 CD1 LEU T 18 18.057 91.561 -15.816 1.00 28.27 ATOM 91 CD2 LEU T 18 18.175 92.007 -13.370 1.00 26.15 ATOM 92 N HIS T 19 22.577 88.612 -13.412 1.00 26.47 ATOM 93 CA HIS T 19 23.357 87.368 -13.590 1.00 29.93 ATOM 94 C HIS T 19 22.740 86.441 -14.639 1.00 29.63 ATOM 95 O HIS T 19 22.420 85.286 -14.348 1.00 31.24 ATOM 96 CB HIS T 19 23.535 86.620 -12.255 1.00 32.89 ATOM 97 CG HIS T 19 24.532 87.254 -11.336 1.00 38.29 ATOM 98 ND1 HIS T 19 25.554 86.544 -10.742 1.00 41.13 ATOM 99 CD2 HIS T 19 24.667 88.533 -10.908 1.00 41.28 ATOM 100 CE1 HIS T 19 26.276 87.358 -9.990 1.00 42.74 ATOM 101 NE2 HIS T 19 25.761 88.572 -10.077 1.00 43.58 ATOM 102 N ALA T 20 22.567 86.958 -15.852 1.00 28.03 ATOM 103 CA ALA T 20 21.932 86.196 -16.933 1.00 30.66 ATOM 104 C ALA T 20 22.030 86.907 -18.288 1.00 31.13 ATOM 105 O ALA T 20 22.145 88.134 -18.346 1.00 30.04 ATOM 106 CB ALA T 20 20.468 85.918 -16.589 1.00 30.50 ATOM 107 N CYS T 21 21.968 86.133 -19.371 1.00 31.02 ATOM 108 CA CYS T 21 22.014 86.697 -20.728 1.00 34.81 ATOM 109 C CYS T 21 20.695 87.361 -21.119 1.00 33.54 ATOM 110 O CYS T 21 19.623 86.771 -20.945 1.00 30.58 ATOM 111 CB CYS T 21 22.353 85.624 -21.771 1.00 35.02 ATOM 112 SG CYS T 21 24.088 85.127 -21.787 1.00 39.04 ATOM 113 N ILE T 22 20.789 88.569 -21.681 1.00 31.18 ATOM 114 CA ILE T 22 19.617 89.372 -22.013 1.00 29.59 ATOM 115 C ILE T 22 19.718 89.970 -23.423 1.00 29.15 ATOM 116 O ILE T 22 20.779 90.459 -23.804 1.00 30.35 ATOM 117 CB ILE T 22 19.440 90.461 -20.930 1.00 28.69 ATOM 118 CG1 ILE T 22 18.699 89.861 -19.730 1.00 32.50 ATOM 119 CG2 ILE T 22 18.662 91.663 -21.445 1.00 29.38 ATOM 120 CD1 ILE T 22 19.360 90.115 -18.455 1.00 36.77 ATOM 121 N PRO T 23 18.627 89.919 -24.199 1.00 28.49 ATOM 122 CA PRO T 23 18.616 90.500 -25.552 1.00 28.04 ATOM 123 C PRO T 23 18.894 92.003 -25.576 1.00 28.10 ATOM 124 O PRO T 23 18.463 92.738 -24.682 1.00 28.83 ATOM 125 CB PRO T 23 17.192 90.216 -26.053 1.00 28.00 ATOM 126 CG PRO T 23 16.692 89.102 -25.200 1.00 28.66 ATOM 127 CD PRO T 23 17.336 89.285 -23.871 1.00 28.04 ATOM 128 N CYS T 24 19.606 92.444 -26.607 1.00 27.54 ATOM 129 CA CYS T 24 20.000 93.843 -26.746 1.00 31.25 ATOM 130 C CYS T 24 18.817 94.804 -26.973 1.00 32.66 ATOM 131 O CYS T 24 18.959 96.008 -26.726 1.00 32.17 ATOM 132 CB CYS T 24 21.030 93.998 -27.877 1.00 36.25 ATOM 133 SG CYS T 24 22.734 93.574 -27.409 1.00 40.46 ATOM 134 N GLN T 25 17.674 94.284 -27.446 1.00 31.20 ATOM 135 CA GLN T 25 16.437 95.072 -27.590 1.00 29.64 ATOM 136 C GLN T 25 16.047 95.792 -26.301 1.00 25.42 ATOM 137 O GLN T 25 15.575 96.926 -26.329 1.00 19.07 ATOM 138 CB GLN T 25 15.256 94.180 -27.996 1.00 31.48 ATOM 139 CG GLN T 25 15.262 93.752 -29.434 1.00 35.13 ATOM 140 CD GLN T 25 14.697 94.802 -30.385 1.00 38.58 ATOM 141 OE1 GLN T 25 14.205 94.460 -31.463 1.00 38.75 ATOM 142 NE2 GLN T 25 14.772 96.074 -29.996 1.00 39.43 ATOM 143 N LEU T 26 16.246 95.117 -25.175 1.00 27.02 ATOM 144 CA LEU T 26 15.864 95.642 -23.867 1.00 27.43 ATOM 145 C LEU T 26 16.743 96.792 -23.367 1.00 27.04 ATOM 146 O LEU T 26 16.425 97.416 -22.343 1.00 33.19 ATOM 147 CB LEU T 26 15.875 94.503 -22.840 1.00 29.73 ATOM 148 CG LEU T 26 14.899 93.354 -23.098 1.00 31.82 ATOM 149 CD1 LEU T 26 14.864 92.403 -21.907 1.00 33.03 ATOM 150 CD2 LEU T 26 13.494 93.877 -23.400 1.00 33.46 ATOM 151 N ARG T 27 17.846 97.066 -24.062 1.00 25.11 ATOM 152 CA ARG T 27 18.748 98.155 -23.681 1.00 24.01 ATOM 153 C ARG T 27 18.886 99.261 -24.734 1.00 26.35 ATOM 154 O ARG T 27 19.714 100.159 -24.583 1.00 24.08 ATOM 155 CB ARG T 27 20.120 97.579 -23.313 1.00 21.68 ATOM 156 CG ARG T 27 20.123 96.753 -22.023 1.00 21.71 ATOM 157 CD ARG T 27 19.851 97.546 -20.732 1.00 18.98 ATOM 158 NE ARG T 27 20.889 98.541 -20.452 1.00 18.82 ATOM 159 CZ ARG T 27 22.076 98.287 -19.901 1.00 20.14 ATOM 160 NH1 ARG T 27 22.429 97.058 -19.546 1.00 24.42 ATOM 161 NH2 ARG T 27 22.927 99.281 -19.703 1.00 19.72 ATOM 162 N CYS T 28 18.058 99.214 -25.780 1.00 32.11 ATOM 163 CA CYS T 28 18.038 100.257 -26.810 1.00 35.03 ATOM 164 C CYS T 28 17.313 101.543 -26.371 1.00 36.43 ATOM 165 O CYS T 28 17.340 102.544 -27.084 1.00 38.55 ATOM 166 CB CYS T 28 17.411 99.717 -28.104 1.00 39.77 ATOM 167 SG CYS T 28 18.401 98.450 -28.963 1.00 44.81 ATOM 168 N SER T 29 16.660 101.509 -25.212 1.00 38.63 ATOM 169 CA SER T 29 16.061 102.702 -24.615 1.00 37.93 ATOM 170 C SER T 29 17.063 103.434 -23.723 1.00 38.45 ATOM 171 O SER T 29 16.930 104.633 -23.494 1.00 37.06 ATOM 172 CB SER T 29 14.832 102.316 -23.785 1.00 38.17 ATOM 173 OG SER T 29 15.197 101.560 -22.636 1.00 36.61 ATOM 174 N SER T 30 18.056 102.699 -23.219 1.00 39.94 ATOM 175 CA SER T 30 19.029 103.231 -22.263 1.00 40.32 ATOM 176 C SER T 30 19.847 104.367 -22.846 1.00 39.42 ATOM 177 O SER T 30 20.146 104.378 -24.045 1.00 37.65 ATOM 178 CB SER T 30 19.988 102.132 -21.785 1.00 39.18 ATOM 179 OG SER T 30 19.290 101.109 -21.108 1.00 35.24 ATOM 180 N ASN T 31 20.205 105.316 -21.980 1.00 39.63 ATOM 181 CA ASN T 31 21.082 106.424 -22.354 1.00 38.67 ATOM 182 C ASN T 31 22.375 105.875 -22.929 1.00 36.73 ATOM 183 O ASN T 31 22.802 106.277 -24.011 1.00 32.50 ATOM 184 CB ASN T 31 21.399 107.305 -21.141 1.00 38.01 ATOM 185 CG ASN T 31 20.218 108.154 -20.710 1.00 38.60 ATOM 186 OD1 ASN T 31 19.644 108.896 -21.513 1.00 37.01 ATOM 187 ND2 ASN T 31 19.848 108.051 -19.433 1.00 38.87 ATOM 188 N THR T 32 22.979 104.946 -22.188 1.00 34.79 ATOM 189 CA THR T 32 24.188 104.262 -22.621 1.00 33.40 ATOM 190 C THR T 32 23.964 102.749 -22.589 1.00 32.26 ATOM 191 O THR T 32 24.028 102.136 -21.526 1.00 30.99 ATOM 192 CB THR T 32 25.386 104.659 -21.729 1.00 32.88 ATOM 193 OG1 THR T 32 25.320 106.058 -21.411 1.00 32.71 ATOM 194 CG2 THR T 32 26.708 104.516 -22.491 1.00 31.37 ATOM 195 N PRO T 33 23.682 102.147 -23.747 1.00 33.70 ATOM 196 CA PRO T 33 23.613 100.682 -23.838 1.00 32.20 ATOM 197 C PRO T 33 25.006 100.078 -23.629 1.00 30.83 ATOM 198 O PRO T 33 25.982 100.815 -23.765 1.00 31.14 ATOM 199 CB PRO T 33 23.106 100.424 -25.270 1.00 32.62 ATOM 200 CG PRO T 33 22.666 101.761 -25.813 1.00 32.74 ATOM 201 CD PRO T 33 23.411 102.801 -25.045 1.00 33.18 ATOM 202 N PRO T 34 25.115 98.791 -23.294 1.00 30.96 ATOM 203 CA PRO T 34 26.436 98.161 -23.147 1.00 30.00 ATOM 204 C PRO T 34 27.192 98.135 -24.480 1.00 29.79 ATOM 205 O PRO T 34 26.565 98.308 -25.526 1.00 29.19 ATOM 206 CB PRO T 34 26.101 96.745 -22.656 1.00 29.87 ATOM 207 CG PRO T 34 24.713 96.837 -22.137 1.00 28.58 ATOM 208 CD PRO T 34 24.025 97.838 -23.018 1.00 29.52 ATOM 209 N LEU T 35 28.510 97.938 -24.429 1.00 31.26 ATOM 210 CA LEU T 35 29.384 98.105 -25.602 1.00 30.79 ATOM 211 C LEU T 35 29.194 97.028 -26.676 1.00 31.24 ATOM 212 O LEU T 35 29.267 97.328 -27.872 1.00 30.94 ATOM 213 CB LEU T 35 30.866 98.161 -25.185 1.00 31.53 ATOM 214 CG LEU T 35 31.511 99.553 -25.112 1.00 32.37 ATOM 215 CD1 LEU T 35 32.774 99.519 -24.250 1.00 31.62 ATOM 216 CD2 LEU T 35 31.818 100.101 -26.514 1.00 30.83 ATOM 217 N THR T 36 28.972 95.782 -26.250 1.00 31.57 ATOM 218 CA THR T 36 28.672 94.675 -27.179 1.00 33.45 ATOM 219 C THR T 36 27.300 94.824 -27.848 1.00 33.99 ATOM 220 O THR T 36 27.001 94.127 -28.818 1.00 35.15 ATOM 221 CB THR T 36 28.735 93.296 -26.461 1.00 33.17 ATOM 222 OG1 THR T 36 28.204 93.399 -25.126 1.00 31.11 ATOM 223 CG2 THR T 36 30.185 92.824 -26.285 1.00 33.14 ATOM 224 N CYS T 37 26.481 95.728 -27.310 1.00 34.19 ATOM 225 CA CYS T 37 25.115 95.973 -27.771 1.00 34.24 ATOM 226 C CYS T 37 25.002 97.174 -28.711 1.00 32.29 ATOM 227 O CYS T 37 24.017 97.300 -29.436 1.00 29.24 ATOM 228 CB CYS T 37 24.205 96.224 -26.550 1.00 38.68 ATOM 229 SG CYS T 37 23.407 94.755 -25.842 1.00 42.09 ATOM 230 N GLN T 38 26.003 98.053 -28.690 1.00 32.11 ATOM 231 CA GLN T 38 25.885 99.378 -29.299 1.00 31.07 ATOM 232 C GLN T 38 25.782 99.368 -30.828 1.00 30.13 ATOM 233 O GLN T 38 25.075 100.204 -31.390 1.00 28.79 ATOM 234 CB GLN T 38 27.037 100.279 -28.841 1.00 31.24 ATOM 235 N ARG T 39 26.468 98.439 -31.497 1.00 29.24 ATOM 236 CA ARG T 39 26.406 98.355 -32.965 1.00 30.53 ATOM 237 C ARG T 39 25.028 97.895 -33.449 1.00 30.16 ATOM 238 O ARG T 39 24.560 98.313 -34.510 1.00 28.87 ATOM 239 CB ARG T 39 27.495 97.425 -33.508 1.00 30.56 ATOM 240 N TYR T 40 24.390 97.038 -32.656 1.00 30.45 ATOM 241 CA TYR T 40 23.067 96.495 -32.973 1.00 31.99 ATOM 242 C TYR T 40 21.950 97.545 -32.878 1.00 33.05 ATOM 243 O TYR T 40 21.083 97.606 -33.760 1.00 31.29 ATOM 244 CB TYR T 40 22.772 95.296 -32.059 1.00 32.08 ATOM 245 CG TYR T 40 21.333 94.837 -32.031 1.00 33.96 ATOM 246 CD1 TYR T 40 20.419 95.424 -31.166 1.00 36.78 ATOM 247 CD2 TYR T 40 20.892 93.796 -32.840 1.00 36.19 ATOM 248 CE1 TYR T 40 19.103 95.007 -31.115 1.00 36.79 ATOM 249 CE2 TYR T 40 19.569 93.367 -32.797 1.00 37.65 ATOM 250 CZ TYR T 40 18.682 93.980 -31.926 1.00 37.70 ATOM 251 OH TYR T 40 17.367 93.585 -31.857 1.00 38.14 ATOM 252 N CYS T 41 21.988 98.377 -31.832 1.00 33.12 ATOM 253 CA CYS T 41 20.945 99.386 -31.589 1.00 34.28 ATOM 254 C CYS T 41 20.958 100.578 -32.578 1.00 32.78 ATOM 255 O CYS T 41 20.274 101.573 -32.346 1.00 30.91 ATOM 256 CB CYS T 41 21.022 99.908 -30.138 1.00 38.18 ATOM 257 SG CYS T 41 20.428 98.770 -28.843 1.00 44.20 ATOM 258 N ASN T 42 21.723 100.487 -33.668 1.00 33.33 ATOM 259 CA ASN T 42 21.693 101.503 -34.721 1.00 30.79 ATOM 260 C ASN T 42 20.387 101.442 -35.512 1.00 30.03 ATOM 261 O ASN T 42 20.395 100.701 -36.780 1.00 30.49 ATOM 262 CB ASN T 42 22.867 101.321 -35.651 1.00 32.33 TER