HEADER SIGNALING PROTEIN 31-DEC-69 6OKE TITLE Crystal structure of an apo Transferrin-Receptor-Binding TITLE 2 cystine-dense peptide COMPND MOL_ID: 1; COMPND 2 MOLECULE: Transferrin-Receptor Binding Peptide; COMPND 3 CHAIN: C, A, B, D; COMPND 4 MUTATION: YES; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.55 ANGSTORMS REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 24 REMARK 465 MET A 25 REMARK 465 SER A 26 REMARK 465 MET A 27 REMARK 465 SER A 28 REMARK 465 ASN A 29 REMARK 465 THR A 30 REMARK 465 GLU A 31 DBREF 6OKE A 1 51 PDB 6OKE 6OKE 1 51 SEQRES 1 A 40 ARG CYS MET LYS TYR ASN ASP GLU LEU GLU LYS CYS GLU SEQRES 2 A 40 ALA ARG MET MET SER MET SER ASN THR GLU GLU ASP CYS SEQRES 3 A 40 GLU GLN GLU LEU GLU ASP LEU LEU TYR CYS LEU ASP HIS SEQRES 4 A 40 CYS ATOM 1 N ARG A 9 17.325 11.478 -1.627 1.00 46.32 ATOM 2 CA ARG A 9 18.148 10.912 -2.747 1.00 45.53 ATOM 3 C ARG A 9 18.782 9.599 -2.275 1.00 43.41 ATOM 4 O ARG A 9 19.407 9.614 -1.190 1.00 44.55 ATOM 5 CB ARG A 9 19.240 11.900 -3.177 1.00 48.17 ATOM 6 N CYS A 10 18.563 8.505 -3.008 1.00 40.79 ATOM 7 CA CYS A 10 19.144 7.158 -2.736 1.00 39.09 ATOM 8 C CYS A 10 20.145 6.752 -3.806 1.00 38.49 ATOM 9 O CYS A 10 20.178 5.536 -4.108 1.00 36.82 ATOM 10 CB CYS A 10 18.087 6.067 -2.795 1.00 37.12 ATOM 11 SG CYS A 10 17.083 6.116 -1.316 1.00 37.97 ATOM 12 N MET A 11 20.786 7.721 -4.448 1.00 40.65 ATOM 13 CA MET A 11 21.523 7.532 -5.729 1.00 40.71 ATOM 14 C MET A 11 22.708 6.595 -5.495 1.00 40.17 ATOM 15 O MET A 11 22.949 5.731 -6.369 1.00 39.50 ATOM 16 CB MET A 11 22.022 8.873 -6.282 1.00 43.47 ATOM 17 N LYS A 12 23.389 6.741 -4.355 1.00 41.16 ATOM 18 CA LYS A 12 24.583 5.934 -3.981 1.00 41.10 ATOM 19 C LYS A 12 24.217 4.448 -4.014 1.00 38.78 ATOM 20 O LYS A 12 25.095 3.648 -4.390 1.00 38.82 ATOM 21 CB LYS A 12 25.103 6.339 -2.597 1.00 43.17 ATOM 22 N TYR A 13 22.969 4.113 -3.656 1.00 37.23 ATOM 23 CA TYR A 13 22.474 2.717 -3.582 1.00 35.33 ATOM 24 C TYR A 13 22.208 2.196 -4.994 1.00 33.92 ATOM 25 O TYR A 13 22.414 0.982 -5.253 1.00 33.02 ATOM 26 CB TYR A 13 21.250 2.629 -2.672 1.00 35.48 ATOM 27 CG TYR A 13 21.605 2.768 -1.214 1.00 37.37 ATOM 28 CD1 TYR A 13 21.933 3.997 -0.670 1.00 39.36 ATOM 29 CD2 TYR A 13 21.620 1.661 -0.380 1.00 38.01 ATOM 30 CE1 TYR A 13 22.263 4.125 0.671 1.00 41.66 ATOM 31 CE2 TYR A 13 21.956 1.769 0.962 1.00 40.30 ATOM 32 CZ TYR A 13 22.279 3.006 1.490 1.00 41.86 ATOM 33 OH TYR A 13 22.597 3.113 2.813 1.00 44.25 ATOM 34 N ASN A 14 21.779 3.091 -5.890 1.00 33.88 ATOM 35 CA ASN A 14 21.588 2.789 -7.328 1.00 33.58 ATOM 36 C ASN A 14 22.970 2.544 -7.941 1.00 34.22 ATOM 37 O ASN A 14 23.142 1.520 -8.635 1.00 33.32 ATOM 38 CB ASN A 14 20.812 3.928 -7.996 1.00 34.48 ATOM 39 CG ASN A 14 20.345 3.682 -9.409 1.00 34.57 ATOM 40 OD1 ASN A 14 20.392 2.570 -9.932 1.00 34.23 ATOM 41 ND2 ASN A 14 19.827 4.737 -10.020 1.00 35.46 ATOM 42 N ASP A 15 23.929 3.452 -7.675 1.00 35.95 ATOM 43 CA ASP A 15 25.335 3.350 -8.143 1.00 37.39 ATOM 44 C ASP A 15 25.836 1.943 -7.846 1.00 36.39 ATOM 45 O ASP A 15 26.310 1.299 -8.781 1.00 37.03 ATOM 46 CB ASP A 15 26.219 4.420 -7.494 1.00 39.73 ATOM 47 CG ASP A 15 27.705 4.291 -7.767 1.00 41.96 ATOM 48 OD1 ASP A 15 28.129 3.181 -8.172 1.00 41.08 ATOM 49 OD2 ASP A 15 28.435 5.303 -7.555 1.00 44.23 ATOM 50 N GLU A 16 25.733 1.497 -6.592 1.00 35.54 ATOM 51 CA GLU A 16 26.241 0.178 -6.127 1.00 35.12 ATOM 52 C GLU A 16 25.573 -0.941 -6.927 1.00 33.01 ATOM 53 O GLU A 16 26.302 -1.898 -7.297 1.00 33.64 ATOM 54 CB GLU A 16 25.979 -0.028 -4.632 1.00 36.02 ATOM 55 CG GLU A 16 26.782 0.883 -3.727 1.00 38.54 ATOM 56 CD GLU A 16 26.189 1.099 -2.343 1.00 39.76 ATOM 57 OE1 GLU A 16 25.196 0.397 -1.974 1.00 38.83 ATOM 58 OE2 GLU A 16 26.730 1.970 -1.623 1.00 42.25 ATOM 59 N LEU A 17 24.264 -0.825 -7.186 1.00 31.12 ATOM 60 CA LEU A 17 23.479 -1.816 -7.967 1.00 30.05 ATOM 61 C LEU A 17 23.956 -1.828 -9.422 1.00 30.42 ATOM 62 O LEU A 17 24.133 -2.956 -9.991 1.00 30.40 ATOM 63 CB LEU A 17 21.989 -1.471 -7.872 1.00 29.14 ATOM 64 CG LEU A 17 21.039 -2.392 -8.641 1.00 28.48 ATOM 65 CD1 LEU A 17 21.211 -3.841 -8.227 1.00 28.66 ATOM 66 CD2 LEU A 17 19.605 -1.953 -8.421 1.00 28.41 ATOM 67 N GLU A 18 24.139 -0.630 -9.998 1.00 31.58 ATOM 68 CA GLU A 18 24.635 -0.474 -11.391 1.00 32.65 ATOM 69 C GLU A 18 25.993 -1.180 -11.496 1.00 33.34 ATOM 70 O GLU A 18 26.158 -1.968 -12.411 1.00 33.35 ATOM 71 CB GLU A 18 24.827 0.995 -11.782 1.00 34.36 ATOM 72 CG GLU A 18 23.598 1.879 -11.727 1.00 34.65 ATOM 73 CD GLU A 18 22.383 1.654 -12.600 1.00 35.06 ATOM 74 OE1 GLU A 18 21.849 2.696 -13.073 1.00 36.15 ATOM 75 OE2 GLU A 18 21.914 0.483 -12.743 1.00 34.27 ATOM 76 N LYS A 19 26.917 -0.893 -10.571 1.00 34.56 ATOM 77 CA LYS A 19 28.317 -1.405 -10.577 1.00 36.65 ATOM 78 C LYS A 19 28.285 -2.921 -10.439 1.00 36.80 ATOM 79 O LYS A 19 29.061 -3.580 -11.164 1.00 38.56 ATOM 80 CB LYS A 19 29.158 -0.787 -9.451 1.00 37.87 ATOM 81 CG LYS A 19 30.653 -1.080 -9.503 1.00 39.87 ATOM 82 CD LYS A 19 31.109 -2.226 -8.613 1.00 40.08 ATOM 83 CE LYS A 19 32.462 -2.785 -9.007 1.00 42.44 ATOM 84 NZ LYS A 19 33.557 -1.797 -8.820 1.00 45.12 ATOM 85 N CYS A 20 27.418 -3.459 -9.577 1.00 36.53 ATOM 86 CA CYS A 20 27.304 -4.923 -9.340 1.00 37.20 ATOM 87 C CYS A 20 26.827 -5.628 -10.619 1.00 37.11 ATOM 88 O CYS A 20 27.424 -6.669 -10.988 1.00 37.28 ATOM 89 CB CYS A 20 26.367 -5.222 -8.180 1.00 36.89 ATOM 90 SG CYS A 20 26.316 -6.986 -7.783 1.00 38.99 ATOM 91 N GLU A 21 25.801 -5.077 -11.275 1.00 36.84 ATOM 92 CA GLU A 21 25.240 -5.649 -12.528 1.00 37.86 ATOM 93 C GLU A 21 26.294 -5.668 -13.641 1.00 39.13 ATOM 94 O GLU A 21 26.337 -6.660 -14.384 1.00 39.82 ATOM 95 CB GLU A 21 24.021 -4.848 -12.965 1.00 38.48 ATOM 96 CG GLU A 21 22.813 -5.130 -12.074 1.00 38.72 ATOM 97 CD GLU A 21 21.661 -4.194 -12.345 1.00 40.27 ATOM 98 OE1 GLU A 21 21.956 -3.087 -12.820 1.00 41.57 ATOM 99 OE2 GLU A 21 20.477 -4.599 -12.143 1.00 41.78 ATOM 100 N ALA A 22 27.086 -4.601 -13.761 1.00 39.43 ATOM 101 CA ALA A 22 28.223 -4.496 -14.713 1.00 41.32 ATOM 102 C ALA A 22 29.209 -5.634 -14.432 1.00 42.22 ATOM 103 O ALA A 22 29.602 -6.324 -15.395 1.00 43.48 ATOM 104 CB ALA A 22 28.898 -3.145 -14.606 1.00 41.97 ATOM 105 N ARG A 23 29.571 -5.829 -13.158 1.00 42.37 ATOM 106 CA ARG A 23 30.528 -6.886 -12.727 1.00 44.03 ATOM 107 C ARG A 23 29.865 -8.250 -12.963 1.00 44.39 ATOM 108 O ARG A 23 30.579 -9.172 -13.398 1.00 46.44 ATOM 109 CB ARG A 23 30.974 -6.657 -11.278 1.00 44.52 ATOM 110 N GLU A 32 22.882 -13.325 -7.026 1.00 51.94 ATOM 111 CA GLU A 32 22.583 -13.133 -5.584 1.00 52.69 ATOM 112 C GLU A 32 23.298 -11.864 -5.106 1.00 51.30 ATOM 113 O GLU A 32 22.657 -11.048 -4.426 1.00 50.24 ATOM 114 CB GLU A 32 22.978 -14.381 -4.786 1.00 55.79 ATOM 115 N ASP A 33 24.565 -11.686 -5.493 1.00 51.95 ATOM 116 CA ASP A 33 25.411 -10.520 -5.115 1.00 51.45 ATOM 117 C ASP A 33 24.634 -9.212 -5.333 1.00 47.94 ATOM 118 O ASP A 33 24.799 -8.296 -4.488 1.00 48.31 ATOM 119 CB ASP A 33 26.716 -10.497 -5.918 1.00 53.75 ATOM 120 CG ASP A 33 27.924 -9.897 -5.208 1.00 56.40 ATOM 121 OD1 ASP A 33 27.943 -9.890 -3.952 1.00 58.72 ATOM 122 OD2 ASP A 33 28.862 -9.462 -5.922 1.00 56.95 ATOM 123 N CYS A 34 23.834 -9.116 -6.400 1.00 44.52 ATOM 124 CA CYS A 34 23.188 -7.844 -6.810 1.00 41.33 ATOM 125 C CYS A 34 21.748 -7.764 -6.264 1.00 40.17 ATOM 126 O CYS A 34 21.264 -6.636 -6.140 1.00 38.94 ATOM 127 CB CYS A 34 23.289 -7.631 -8.318 1.00 40.03 ATOM 128 SG CYS A 34 24.940 -7.778 -9.061 1.00 39.69 ATOM 129 N GLU A 35 21.133 -8.855 -5.796 1.00 40.94 ATOM 130 CA GLU A 35 19.803 -8.743 -5.122 1.00 40.88 ATOM 131 C GLU A 35 19.976 -8.090 -3.740 1.00 40.46 ATOM 132 O GLU A 35 19.035 -7.396 -3.299 1.00 40.40 ATOM 133 CB GLU A 35 19.067 -10.080 -5.080 1.00 43.28 ATOM 134 CG GLU A 35 18.584 -10.532 -6.448 1.00 43.86 ATOM 135 CD GLU A 35 17.298 -9.882 -6.937 1.00 44.08 ATOM 136 OE1 GLU A 35 17.076 -8.704 -6.593 1.00 42.68 ATOM 137 OE2 GLU A 35 16.498 -10.569 -7.642 1.00 46.38 ATOM 138 N GLN A 36 21.144 -8.241 -3.111 1.00 40.43 ATOM 139 CA GLN A 36 21.521 -7.558 -1.840 1.00 40.46 ATOM 140 C GLN A 36 21.580 -6.038 -2.076 1.00 37.61 ATOM 141 O GLN A 36 21.142 -5.263 -1.201 1.00 37.40 ATOM 142 CB GLN A 36 22.873 -8.073 -1.335 1.00 42.78 ATOM 143 CG GLN A 36 22.941 -9.569 -1.070 1.00 45.25 ATOM 144 CD GLN A 36 24.358 -10.082 -1.168 1.00 47.41 ATOM 145 OE1 GLN A 36 25.200 -9.547 -1.897 1.00 46.75 ATOM 146 NE2 GLN A 36 24.633 -11.146 -0.432 1.00 50.33 ATOM 147 N GLU A 37 22.095 -5.622 -3.232 1.00 35.70 ATOM 148 CA GLU A 37 22.275 -4.195 -3.608 1.00 34.55 ATOM 149 C GLU A 37 20.905 -3.582 -3.936 1.00 33.00 ATOM 150 O GLU A 37 20.700 -2.413 -3.636 1.00 32.88 ATOM 151 CB GLU A 37 23.260 -4.070 -4.773 1.00 34.39 ATOM 152 CG GLU A 37 24.585 -4.782 -4.568 1.00 35.86 ATOM 153 CD GLU A 37 25.622 -4.041 -3.749 1.00 37.90 ATOM 154 OE1 GLU A 37 25.241 -3.048 -3.103 1.00 38.49 ATOM 155 OE2 GLU A 37 26.820 -4.461 -3.758 1.00 39.38 ATOM 156 N LEU A 38 19.994 -4.347 -4.530 1.00 32.20 ATOM 157 CA LEU A 38 18.587 -3.928 -4.761 1.00 31.71 ATOM 158 C LEU A 38 17.859 -3.844 -3.413 1.00 32.76 ATOM 159 O LEU A 38 17.165 -2.848 -3.184 1.00 32.67 ATOM 160 CB LEU A 38 17.887 -4.919 -5.694 1.00 31.77 ATOM 161 CG LEU A 38 16.410 -4.604 -5.925 1.00 31.54 ATOM 162 CD1 LEU A 38 16.279 -3.368 -6.777 1.00 30.72 ATOM 163 CD2 LEU A 38 15.638 -5.794 -6.456 1.00 33.04 ATOM 164 N GLU A 39 17.984 -4.859 -2.564 1.00 34.58 ATOM 165 CA GLU A 39 17.360 -4.869 -1.214 1.00 36.63 ATOM 166 C GLU A 39 17.720 -3.557 -0.488 1.00 36.87 ATOM 167 O GLU A 39 16.807 -2.899 0.061 1.00 38.03 ATOM 168 CB GLU A 39 17.792 -6.109 -0.436 1.00 39.07 ATOM 169 CG GLU A 39 17.086 -7.392 -0.849 1.00 40.59 ATOM 170 CD GLU A 39 17.610 -8.648 -0.159 1.00 44.03 ATOM 171 OE1 GLU A 39 18.804 -8.655 0.233 1.00 44.84 ATOM 172 OE2 GLU A 39 16.818 -9.628 0.013 1.00 46.34 ATOM 173 N ASP A 40 18.993 -3.155 -0.516 1.00 36.75 ATOM 174 CA ASP A 40 19.489 -1.902 0.128 1.00 37.16 ATOM 175 C ASP A 40 18.940 -0.661 -0.601 1.00 35.96 ATOM 176 O ASP A 40 18.869 0.396 0.017 1.00 38.09 ATOM 177 CB ASP A 40 21.018 -1.876 0.182 1.00 38.22 ATOM 178 CG ASP A 40 21.610 -2.702 1.318 1.00 40.82 ATOM 179 OD1 ASP A 40 21.130 -2.528 2.455 1.00 42.09 ATOM 180 OD2 ASP A 40 22.574 -3.500 1.068 1.00 42.80 ATOM 181 N LEU A 41 18.604 -0.763 -1.882 1.00 33.83 ATOM 182 CA LEU A 41 17.974 0.338 -2.669 1.00 32.42 ATOM 183 C LEU A 41 16.501 0.454 -2.270 1.00 32.49 ATOM 184 O LEU A 41 16.045 1.566 -2.074 1.00 33.14 ATOM 185 CB LEU A 41 18.111 0.059 -4.168 1.00 31.42 ATOM 186 CG LEU A 41 17.359 1.032 -5.076 1.00 31.38 ATOM 187 CD1 LEU A 41 17.854 2.453 -4.860 1.00 32.01 ATOM 188 CD2 LEU A 41 17.451 0.633 -6.539 1.00 30.88 ATOM 189 N LEU A 42 15.773 -0.653 -2.163 1.00 32.38 ATOM 190 CA LEU A 42 14.338 -0.649 -1.757 1.00 33.35 ATOM 191 C LEU A 42 14.215 -0.152 -0.302 1.00 34.16 ATOM 192 O LEU A 42 13.383 0.737 -0.035 1.00 34.86 ATOM 193 CB LEU A 42 13.758 -2.060 -1.924 1.00 34.16 ATOM 194 CG LEU A 42 13.737 -2.633 -3.338 1.00 33.84 ATOM 195 CD1 LEU A 42 13.804 -4.158 -3.301 1.00 34.82 ATOM 196 CD2 LEU A 42 12.491 -2.192 -4.090 1.00 34.58 ATOM 197 N TYR A 43 15.055 -0.673 0.602 1.00 34.57 ATOM 198 CA TYR A 43 15.204 -0.182 1.997 1.00 35.42 ATOM 199 C TYR A 43 15.364 1.346 1.979 1.00 35.37 ATOM 200 O TYR A 43 14.591 2.043 2.623 1.00 37.08 ATOM 201 CB TYR A 43 16.368 -0.887 2.688 1.00 36.24 ATOM 202 N CYS A 44 16.342 1.856 1.232 1.00 34.19 ATOM 203 CA CYS A 44 16.621 3.310 1.079 1.00 34.32 ATOM 204 C CYS A 44 15.356 4.043 0.603 1.00 33.47 ATOM 205 O CYS A 44 15.009 5.055 1.206 1.00 34.60 ATOM 206 CB CYS A 44 17.772 3.562 0.106 1.00 34.41 ATOM 207 SG CYS A 44 18.356 5.280 0.070 1.00 37.11 ATOM 208 N LEU A 45 14.711 3.568 -0.462 1.00 31.69 ATOM 209 CA LEU A 45 13.489 4.167 -1.074 1.00 31.45 ATOM 210 C LEU A 45 12.382 4.223 -0.013 1.00 32.16 ATOM 211 O LEU A 45 11.620 5.224 -0.009 1.00 33.06 ATOM 212 CB LEU A 45 12.981 3.327 -2.252 1.00 30.61 ATOM 213 CG LEU A 45 13.931 2.967 -3.385 1.00 29.69 ATOM 214 CD1 LEU A 45 13.181 2.252 -4.494 1.00 29.26 ATOM 215 CD2 LEU A 45 14.661 4.196 -3.909 1.00 30.31 ATOM 216 N ASP A 46 12.302 3.205 0.864 1.00 31.70 ATOM 217 CA ASP A 46 11.290 3.141 1.954 1.00 32.91 ATOM 218 C ASP A 46 11.532 4.291 2.949 1.00 34.03 ATOM 219 O ASP A 46 10.578 4.956 3.343 1.00 35.36 ATOM 220 CB ASP A 46 11.309 1.763 2.618 1.00 32.98 ATOM 221 N HIS A 47 12.786 4.492 3.336 1.00 33.87 ATOM 222 CA HIS A 47 13.316 5.662 4.089 1.00 35.24 ATOM 223 C HIS A 47 13.030 7.015 3.416 1.00 35.80 ATOM 224 O HIS A 47 12.561 7.948 4.130 1.00 37.69 ATOM 225 CB HIS A 47 14.835 5.543 4.212 1.00 34.94 ATOM 226 N CYS A 48 13.464 7.186 2.156 1.00 34.48 ATOM 227 CA CYS A 48 13.388 8.468 1.395 1.00 35.45 ATOM 228 C CYS A 48 11.924 8.798 1.105 1.00 36.43 ATOM 229 O CYS A 48 11.211 9.070 2.061 1.00 37.96 ATOM 230 CB CYS A 48 14.166 8.424 0.084 1.00 34.33 TER