HEADER ALLERGEN 31-DEC-69 5ZJL TITLE Crystal Structure of the dust mite allergen Der f 23 from TITLE 2 Dermatophagoides farinae COMPND MOL_ID: 1; COMPND 2 MOLECULE: Der f 23 allergen; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP residues ; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.70 ANGSTORMS DBREF 5ZJL A 9 39 UNP A0A0U3JM A0A0U3JM87_ 144 174 SEQRES 1 A 31 PRO CYS LYS PHE TYR ILE CYS SER ASN TRP GLU ALA ILE SEQRES 2 A 31 HIS LYS SER CYS PRO GLY ASN THR ARG TRP ASN GLU LYS SEQRES 3 A 31 GLU LEU THR CYS THR ATOM 1 N PRO A 9 15.136 15.129 10.119 1.00 17.50 ATOM 2 CA PRO A 9 14.497 14.659 8.825 1.00 16.23 ATOM 3 C PRO A 9 15.305 13.503 8.222 1.00 15.12 ATOM 4 O PRO A 9 14.813 12.927 7.282 1.00 15.57 ATOM 5 CB PRO A 9 14.540 15.946 7.959 1.00 15.74 ATOM 6 CG PRO A 9 15.615 16.852 8.656 1.00 19.53 ATOM 7 CD PRO A 9 16.223 16.042 9.812 1.00 16.94 ATOM 8 N CYS A 10 16.497 13.182 8.769 1.00 14.56 ATOM 9 CA CYS A 10 17.405 12.087 8.429 1.00 16.12 ATOM 10 C CYS A 10 17.735 11.118 9.605 1.00 14.25 ATOM 11 O CYS A 10 18.729 10.422 9.598 1.00 16.91 ATOM 12 CB CYS A 10 18.647 12.560 7.683 1.00 13.47 ATOM 13 SG CYS A 10 18.068 13.296 6.194 1.00 17.51 ATOM 14 N LYS A 11 16.787 11.129 10.561 1.00 15.26 ATOM 15 CA LYS A 11 16.624 10.107 11.494 1.00 15.07 ATOM 16 C LYS A 11 15.120 10.023 11.831 1.00 14.13 ATOM 17 O LYS A 11 14.384 10.978 11.679 1.00 15.03 ATOM 18 CB LYS A 11 17.467 10.472 12.811 1.00 13.46 ATOM 19 CG LYS A 11 18.836 11.018 12.753 1.00 15.35 ATOM 20 CD LYS A 11 19.623 10.686 14.001 1.00 16.45 ATOM 21 CE LYS A 11 20.863 11.473 14.337 1.00 15.11 ATOM 22 NZ LYS A 11 20.700 12.512 15.419 1.00 15.44 ATOM 23 N PHE A 12 14.695 8.943 12.486 1.00 16.08 ATOM 24 CA PHE A 12 13.318 8.804 12.985 1.00 14.99 ATOM 25 C PHE A 12 13.307 8.323 14.402 1.00 15.35 ATOM 26 O PHE A 12 14.359 8.421 15.082 1.00 14.56 ATOM 27 CB PHE A 12 12.671 7.764 12.073 1.00 15.10 ATOM 28 CG PHE A 12 13.429 6.483 11.954 1.00 13.92 ATOM 29 CD1 PHE A 12 14.593 6.416 11.066 1.00 16.20 ATOM 30 CD2 PHE A 12 13.086 5.355 12.654 1.00 18.20 ATOM 31 CE1 PHE A 12 15.313 5.194 11.017 1.00 15.87 ATOM 32 CE2 PHE A 12 13.760 4.240 12.568 1.00 15.27 ATOM 33 CZ PHE A 12 14.843 4.123 11.725 1.00 16.17 ATOM 34 N TYR A 13 12.190 7.753 14.830 1.00 15.78 ATOM 35 CA TYR A 13 12.150 7.116 16.108 1.00 15.50 ATOM 36 C TYR A 13 11.489 5.828 15.983 1.00 15.88 ATOM 37 O TYR A 13 10.407 5.768 15.312 1.00 15.05 ATOM 38 CB TYR A 13 11.415 8.000 17.175 1.00 16.99 ATOM 39 CG TYR A 13 12.135 9.158 17.616 1.00 17.11 ATOM 40 CD1 TYR A 13 13.145 9.092 18.706 1.00 14.48 ATOM 41 CD2 TYR A 13 11.925 10.436 16.985 1.00 17.84 ATOM 42 CE1 TYR A 13 13.773 10.240 19.060 1.00 15.01 ATOM 43 CE2 TYR A 13 12.574 11.573 17.420 1.00 15.45 ATOM 44 CZ TYR A 13 13.467 11.501 18.485 1.00 15.21 ATOM 45 OH TYR A 13 14.091 12.616 18.819 1.00 15.22 ATOM 46 N ILE A 14 11.937 4.867 16.782 1.00 16.50 ATOM 47 CA ILE A 14 11.355 3.535 16.901 1.00 15.38 ATOM 48 C ILE A 14 10.696 3.476 18.241 1.00 16.81 ATOM 49 O ILE A 14 11.404 3.738 19.206 1.00 17.30 ATOM 50 CB ILE A 14 12.347 2.374 16.915 1.00 17.78 ATOM 51 CG1 ILE A 14 13.415 2.442 15.763 1.00 16.10 ATOM 52 CG2 ILE A 14 11.594 0.991 16.806 1.00 18.59 ATOM 53 CD1 ILE A 14 12.987 1.810 14.494 1.00 17.71 ATOM 54 N CYS A 15 9.403 3.270 18.248 1.00 14.56 ATOM 55 CA CYS A 15 8.675 3.153 19.471 1.00 17.53 ATOM 56 C CYS A 15 8.524 1.750 19.947 1.00 17.58 ATOM 57 O CYS A 15 8.182 0.831 19.226 1.00 19.55 ATOM 58 CB CYS A 15 7.281 3.737 19.304 1.00 17.29 ATOM 59 SG CYS A 15 7.186 5.404 19.573 1.00 16.47 ATOM 60 N SER A 16 8.753 1.622 21.257 1.00 16.34 ATOM 61 CA SER A 16 8.567 0.444 21.954 1.00 19.14 ATOM 62 C SER A 16 8.136 0.743 23.334 1.00 18.31 ATOM 63 O SER A 16 9.006 1.139 24.157 1.00 17.80 ATOM 64 CB SER A 16 9.843 -0.393 21.938 1.00 17.80 ATOM 65 OG SER A 16 9.855 -1.308 20.843 1.00 16.62 ATOM 66 N ASN A 17 6.897 0.417 23.657 1.00 18.70 ATOM 67 CA ASN A 17 6.295 0.647 24.943 1.00 17.29 ATOM 68 C ASN A 17 6.273 2.066 25.272 1.00 19.06 ATOM 69 O ASN A 17 6.486 2.488 26.424 1.00 19.00 ATOM 70 CB ASN A 17 6.990 -0.246 26.001 1.00 17.00 ATOM 71 CG ASN A 17 7.087 -1.715 25.533 1.00 16.58 ATOM 72 OD1 ASN A 17 6.185 -2.538 25.783 1.00 18.10 ATOM 73 ND2 ASN A 17 8.261 -2.071 24.918 1.00 19.39 ATOM 74 N TRP A 18 5.931 2.874 24.266 1.00 18.37 ATOM 75 CA TRP A 18 5.893 4.311 24.378 1.00 17.38 ATOM 76 C TRP A 18 7.301 4.772 24.666 1.00 16.77 ATOM 77 O TRP A 18 7.481 5.869 25.148 1.00 15.60 ATOM 78 CB TRP A 18 5.068 4.731 25.545 1.00 17.79 ATOM 79 CG TRP A 18 3.676 4.261 25.761 1.00 19.01 ATOM 80 CD1 TRP A 18 3.187 3.432 26.767 1.00 16.52 ATOM 81 CD2 TRP A 18 2.562 4.714 25.040 1.00 18.65 ATOM 82 NE1 TRP A 18 1.826 3.326 26.703 1.00 16.51 ATOM 83 CE2 TRP A 18 1.398 4.154 25.669 1.00 18.53 ATOM 84 CE3 TRP A 18 2.404 5.647 23.981 1.00 18.13 ATOM 85 CZ2 TRP A 18 0.108 4.395 25.160 1.00 16.21 ATOM 86 CZ3 TRP A 18 1.173 5.811 23.465 1.00 17.75 ATOM 87 CH2 TRP A 18 0.006 5.227 24.100 1.00 17.51 ATOM 88 N GLU A 19 8.284 3.994 24.239 1.00 17.88 ATOM 89 CA GLU A 19 9.680 4.274 24.441 1.00 16.26 ATOM 90 C GLU A 19 10.420 4.533 23.131 1.00 15.41 ATOM 91 O GLU A 19 10.632 3.593 22.343 1.00 17.84 ATOM 92 CB GLU A 19 10.300 3.185 25.398 1.00 20.70 ATOM 93 CG GLU A 19 11.604 3.333 26.061 1.00 18.18 ATOM 94 CD GLU A 19 11.710 4.484 26.953 1.00 18.12 ATOM 95 OE1 GLU A 19 10.601 4.964 27.496 1.00 18.64 ATOM 96 OE2 GLU A 19 12.815 4.981 27.090 1.00 19.40 ATOM 97 N ALA A 20 10.906 5.767 23.014 1.00 18.11 ATOM 98 CA ALA A 20 11.571 6.321 21.803 1.00 14.47 ATOM 99 C ALA A 20 13.031 5.999 21.824 1.00 16.15 ATOM 100 O ALA A 20 13.835 6.584 22.522 1.00 16.06 ATOM 101 CB ALA A 20 11.349 7.790 21.708 1.00 14.36 ATOM 102 N ILE A 21 13.424 5.147 20.877 1.00 16.65 ATOM 103 CA ILE A 21 14.823 4.845 20.692 1.00 15.29 ATOM 104 C ILE A 21 15.325 5.633 19.458 1.00 16.76 ATOM 105 O ILE A 21 14.598 5.880 18.476 1.00 17.72 ATOM 106 CB ILE A 21 14.979 3.322 20.672 1.00 15.25 ATOM 107 CG1 ILE A 21 14.499 2.744 22.040 1.00 15.10 ATOM 108 CG2 ILE A 21 16.382 2.917 20.354 1.00 13.98 ATOM 109 CD1 ILE A 21 13.752 1.441 22.013 1.00 14.49 ATOM 110 N HIS A 22 16.536 6.064 19.568 1.00 16.87 ATOM 111 CA HIS A 22 17.141 6.850 18.385 1.00 17.74 ATOM 112 C HIS A 22 17.771 6.075 17.304 1.00 16.31 ATOM 113 O HIS A 22 18.603 5.285 17.542 1.00 15.25 ATOM 114 CB HIS A 22 18.102 7.875 19.076 1.00 17.49 ATOM 115 CG HIS A 22 19.245 7.294 19.826 1.00 16.87 ATOM 116 ND1 HIS A 22 20.237 6.534 19.273 1.00 18.34 ATOM 117 CD2 HIS A 22 19.513 7.344 21.160 1.00 15.69 ATOM 118 CE1 HIS A 22 21.104 6.209 20.239 1.00 19.43 ATOM 119 NE2 HIS A 22 20.639 6.644 21.385 1.00 15.11 ATOM 120 N LYS A 23 17.272 6.286 16.055 1.00 16.47 ATOM 121 CA LYS A 23 17.906 5.715 14.748 1.00 17.82 ATOM 122 C LYS A 23 18.157 6.875 13.840 1.00 15.46 ATOM 123 O LYS A 23 17.515 7.902 13.922 1.00 16.35 ATOM 124 CB LYS A 23 16.942 4.734 14.082 1.00 17.47 ATOM 125 CG LYS A 23 16.680 3.389 14.873 1.00 16.66 ATOM 126 CD LYS A 23 17.895 2.650 15.233 1.00 15.57 ATOM 127 CE LYS A 23 17.840 1.976 16.602 1.00 17.09 ATOM 128 NZ LYS A 23 18.835 0.852 16.692 1.00 17.89 ATOM 129 N SER A 24 19.070 6.648 12.880 1.00 18.40 ATOM 130 CA SER A 24 19.541 7.581 11.943 1.00 16.23 ATOM 131 C SER A 24 19.489 6.894 10.558 1.00 14.36 ATOM 132 O SER A 24 19.647 5.694 10.427 1.00 16.16 ATOM 133 CB SER A 24 20.895 8.000 12.281 1.00 17.65 ATOM 134 OG SER A 24 21.153 7.902 13.671 1.00 15.40 ATOM 135 N CYS A 25 19.334 7.669 9.536 1.00 15.45 ATOM 136 CA CYS A 25 19.228 7.119 8.178 1.00 16.09 ATOM 137 C CYS A 25 20.654 7.170 7.525 1.00 14.30 ATOM 138 O CYS A 25 21.336 8.118 7.703 1.00 14.92 ATOM 139 CB CYS A 25 18.131 7.873 7.243 1.00 16.43 ATOM 140 SG CYS A 25 16.400 8.150 7.923 1.00 17.01 ATOM 141 N PRO A 26 20.990 6.162 6.740 1.00 16.13 ATOM 142 CA PRO A 26 22.259 6.041 6.069 1.00 14.53 ATOM 143 C PRO A 26 22.624 6.918 4.885 1.00 17.20 ATOM 144 O PRO A 26 21.826 7.054 3.876 1.00 15.93 ATOM 145 CB PRO A 26 22.224 4.586 5.600 1.00 15.05 ATOM 146 CG PRO A 26 20.815 4.315 5.317 1.00 16.42 ATOM 147 CD PRO A 26 20.275 4.874 6.641 1.00 16.15 ATOM 148 N GLY A 27 23.799 7.447 4.900 1.00 15.69 ATOM 149 CA GLY A 27 24.260 8.286 3.685 1.00 17.19 ATOM 150 C GLY A 27 23.475 9.533 3.545 1.00 13.63 ATOM 151 O GLY A 27 23.335 10.310 4.478 1.00 17.77 ATOM 152 N ASN A 28 22.953 9.799 2.338 1.00 14.32 ATOM 153 CA ASN A 28 22.098 10.982 1.962 1.00 19.84 ATOM 154 C ASN A 28 20.537 10.711 1.958 1.00 16.08 ATOM 155 O ASN A 28 19.703 11.418 1.411 1.00 17.29 ATOM 156 CB ASN A 28 22.600 11.551 0.568 1.00 16.36 ATOM 157 CG ASN A 28 23.378 12.916 0.715 1.00 16.80 ATOM 158 OD1 ASN A 28 22.854 13.916 1.124 1.00 18.04 ATOM 159 ND2 ASN A 28 24.637 12.916 0.385 1.00 19.30 ATOM 160 N THR A 29 20.163 9.592 2.493 1.00 17.14 ATOM 161 CA THR A 29 18.667 9.302 2.551 1.00 17.96 ATOM 162 C THR A 29 17.981 10.125 3.661 1.00 15.57 ATOM 163 O THR A 29 18.641 10.801 4.418 1.00 15.92 ATOM 164 CB THR A 29 18.385 7.810 2.776 1.00 15.85 ATOM 165 OG1 THR A 29 17.033 7.625 2.744 1.00 16.37 ATOM 166 CG2 THR A 29 18.960 7.267 4.204 1.00 13.19 ATOM 167 N ARG A 30 16.624 10.036 3.617 1.00 14.82 ATOM 168 CA ARG A 30 15.790 10.717 4.536 1.00 17.86 ATOM 169 C ARG A 30 14.680 9.706 5.066 1.00 16.24 ATOM 170 O ARG A 30 14.309 8.781 4.429 1.00 14.79 ATOM 171 CB ARG A 30 15.204 11.915 3.855 1.00 13.75 ATOM 172 CG ARG A 30 16.146 13.017 3.448 1.00 15.47 ATOM 173 CD ARG A 30 15.575 13.970 2.423 1.00 17.42 ATOM 174 NE ARG A 30 16.300 15.220 2.587 1.00 18.41 ATOM 175 CZ ARG A 30 15.890 16.357 3.081 1.00 16.24 ATOM 176 NH1 ARG A 30 14.616 16.570 3.441 1.00 17.44 ATOM 177 NH2 ARG A 30 16.819 17.251 3.277 1.00 16.79 ATOM 178 N TRP A 31 14.106 9.945 6.217 1.00 15.95 ATOM 179 CA TRP A 31 13.005 9.123 6.633 1.00 14.49 ATOM 180 C TRP A 31 11.708 9.319 5.828 1.00 12.98 ATOM 181 O TRP A 31 11.290 10.448 5.628 1.00 16.25 ATOM 182 CB TRP A 31 12.672 9.424 8.034 1.00 14.38 ATOM 183 CG TRP A 31 11.630 8.674 8.550 1.00 13.92 ATOM 184 CD1 TRP A 31 10.465 9.142 9.122 1.00 16.03 ATOM 185 CD2 TRP A 31 11.602 7.252 8.689 1.00 18.05 ATOM 186 NE1 TRP A 31 9.678 8.071 9.580 1.00 15.87 ATOM 187 CE2 TRP A 31 10.338 6.902 9.373 1.00 14.95 ATOM 188 CE3 TRP A 31 12.471 6.231 8.336 1.00 13.93 ATOM 189 CZ2 TRP A 31 10.025 5.601 9.677 1.00 15.82 ATOM 190 CZ3 TRP A 31 12.141 4.960 8.639 1.00 16.59 ATOM 191 CH2 TRP A 31 10.896 4.656 9.314 1.00 16.36 ATOM 192 N ASN A 32 11.168 8.265 5.313 1.00 14.26 ATOM 193 CA ASN A 32 9.942 8.329 4.545 1.00 15.00 ATOM 194 C ASN A 32 8.847 7.641 5.283 1.00 13.86 ATOM 195 O ASN A 32 8.706 6.432 5.333 1.00 14.08 ATOM 196 CB ASN A 32 10.084 7.717 3.105 1.00 15.96 ATOM 197 CG ASN A 32 8.797 7.770 2.323 1.00 16.10 ATOM 198 OD1 ASN A 32 7.651 7.719 2.854 1.00 16.37 ATOM 199 ND2 ASN A 32 8.931 7.763 0.944 1.00 18.15 ATOM 200 N GLU A 33 8.044 8.481 5.896 1.00 15.60 ATOM 201 CA GLU A 33 7.037 8.106 6.853 1.00 16.00 ATOM 202 C GLU A 33 6.033 7.128 6.230 1.00 15.96 ATOM 203 O GLU A 33 5.704 6.096 6.733 1.00 13.72 ATOM 204 CB GLU A 33 6.445 9.406 7.344 1.00 13.95 ATOM 205 CG GLU A 33 7.261 10.499 8.002 1.00 15.38 ATOM 206 CD GLU A 33 8.296 11.330 7.230 1.00 16.55 ATOM 207 OE1 GLU A 33 8.542 11.060 6.114 1.00 16.75 ATOM 208 OE2 GLU A 33 8.929 12.284 7.750 1.00 17.11 ATOM 209 N LYS A 34 5.745 7.383 4.925 1.00 16.79 ATOM 210 CA LYS A 34 4.754 6.637 4.232 1.00 16.07 ATOM 211 C LYS A 34 5.150 5.235 4.112 1.00 15.81 ATOM 212 O LYS A 34 4.385 4.345 4.499 1.00 16.56 ATOM 213 CB LYS A 34 4.524 7.302 2.853 1.00 13.88 ATOM 214 CG LYS A 34 4.311 8.807 2.925 1.00 14.51 ATOM 215 CD LYS A 34 4.517 9.562 1.634 1.00 15.62 ATOM 216 CE LYS A 34 5.849 9.273 0.949 1.00 16.02 ATOM 217 NZ LYS A 34 6.111 9.944 -0.416 1.00 17.03 ATOM 218 N GLU A 35 6.342 4.984 3.533 1.00 17.19 ATOM 219 CA GLU A 35 7.007 3.687 3.409 1.00 16.39 ATOM 220 C GLU A 35 7.672 3.111 4.760 1.00 16.37 ATOM 221 O GLU A 35 7.978 1.948 4.795 1.00 17.61 ATOM 222 CB GLU A 35 8.048 3.715 2.226 1.00 18.82 ATOM 223 CG GLU A 35 7.271 3.744 0.911 1.00 17.05 ATOM 224 CD GLU A 35 7.988 4.521 -0.179 1.00 18.78 ATOM 225 OE1 GLU A 35 8.616 5.577 0.066 1.00 17.64 ATOM 226 OE2 GLU A 35 7.851 4.115 -1.415 1.00 17.71 ATOM 227 N LEU A 36 7.718 3.907 5.842 1.00 19.44 ATOM 228 CA LEU A 36 8.346 3.565 7.091 1.00 16.19 ATOM 229 C LEU A 36 9.789 3.032 6.888 1.00 17.31 ATOM 230 O LEU A 36 10.181 1.960 7.220 1.00 16.16 ATOM 231 CB LEU A 36 7.473 2.591 7.827 1.00 15.80 ATOM 232 CG LEU A 36 6.405 3.165 8.813 1.00 15.94 ATOM 233 CD1 LEU A 36 5.189 3.393 8.051 1.00 18.25 ATOM 234 CD2 LEU A 36 6.147 2.165 9.930 1.00 15.93 ATOM 235 N THR A 37 10.535 3.825 6.190 1.00 18.53 ATOM 236 CA THR A 37 11.910 3.492 5.745 1.00 16.21 ATOM 237 C THR A 37 12.549 4.718 5.121 1.00 17.35 ATOM 238 O THR A 37 11.878 5.598 4.501 1.00 16.12 ATOM 239 CB THR A 37 11.847 2.290 4.809 1.00 18.63 ATOM 240 OG1 THR A 37 11.704 1.093 5.612 1.00 19.30 ATOM 241 CG2 THR A 37 13.087 2.245 3.879 1.00 17.42 ATOM 242 N CYS A 38 13.844 4.822 5.327 1.00 15.80 ATOM 243 CA CYS A 38 14.604 5.935 4.849 1.00 17.60 ATOM 244 C CYS A 38 14.821 5.663 3.380 1.00 13.86 ATOM 245 O CYS A 38 15.209 4.535 3.018 1.00 16.29 ATOM 246 CB CYS A 38 15.984 5.904 5.583 1.00 16.40 ATOM 247 SG CYS A 38 17.054 4.695 4.976 1.00 18.70 ATOM 248 N THR A 39 14.563 6.656 2.568 1.00 19.37 ATOM 249 CA THR A 39 14.591 6.515 1.082 1.00 17.28 ATOM 250 C THR A 39 15.346 7.516 0.195 1.00 15.84 ATOM 251 O THR A 39 16.089 7.180 -0.644 1.00 15.78 ATOM 252 CB THR A 39 13.131 6.496 0.504 1.00 15.53 ATOM 253 OG1 THR A 39 12.503 7.757 0.739 1.00 14.60 ATOM 254 CG2 THR A 39 12.336 5.396 1.121 1.00 17.21 TER