HEADER HISTIDINE-BINDING PROTEIN 30-SEP-93 1HPB TITLE THE BACTERIAL PERIPLASMIC HISTIDINE-BINDING PROTEIN: TITLE 2 STRUCTURE(SLASH)FUNCTION ANALYSIS OF THE LIGAND-BINDING SITE AND TITLE 3 COMPARISON WITH RELATED PROTEINS COMPND MOL_ID: 1; COMPND 2 MOLECULE: HISTIDINE-BINDING PROTEIN; COMPND 3 CHAIN: P; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.50 ANGSTORMS DBREF 1HPB P 1 238 UNP P02910 HISJ_SALTY 23 260 SEQRES 1 P 100 ASP SER ARG LEU VAL VAL ALA LYS ASN SER ASP ILE GLN SEQRES 2 P 100 PRO THR VAL ALA SER LEU LYS GLY LYS ARG VAL GLY VAL SEQRES 3 P 100 LEU GLN GLY THR THR GLN GLU THR PHE GLY ASN GLU HIS SEQRES 4 P 100 TRP ALA PRO LYS GLY ILE GLU ILE VAL SER TYR GLN GLY SEQRES 5 P 100 GLN ASP ASN ILE TYR SER ASP LEU THR ALA GLY ARG ILE SEQRES 6 P 100 ASP ALA ALA PHE GLN ASP GLU VAL ALA ALA SER GLU GLY SEQRES 7 P 100 PHE LEU LYS GLN PRO VAL GLY LYS ASP TYR LYS PHE GLY SEQRES 8 P 100 GLY PRO ALA VAL LYS ASP GLU LYS LEU ATOM 1 CA ASP P 91 25.582 36.391 88.304 1.00 29.03 ATOM 2 CA SER P 92 22.449 37.211 90.323 1.00 21.51 ATOM 3 CA ARG P 93 21.723 40.641 91.699 1.00 19.95 ATOM 4 CA LEU P 94 19.008 42.749 93.252 1.00 23.88 ATOM 5 CA VAL P 95 17.500 45.690 91.334 1.00 26.11 ATOM 6 CA VAL P 96 16.245 48.246 93.858 1.00 21.10 ATOM 7 CA ALA P 97 14.655 51.613 93.138 1.00 20.95 ATOM 8 CA LYS P 98 16.927 54.628 93.046 1.00 30.92 ATOM 9 CA ASN P 99 16.544 56.466 96.464 1.00 41.18 ATOM 10 CA SER P 100 16.098 53.077 97.984 1.00 34.84 ATOM 11 CA ASP P 101 19.220 51.692 99.667 1.00 35.30 ATOM 12 CA ILE P 102 18.521 48.052 99.910 1.00 14.56 ATOM 13 CA GLN P 103 21.521 45.750 99.838 1.00 26.43 ATOM 14 CA PRO P 104 21.561 41.879 99.813 1.00 19.22 ATOM 15 CA THR P 105 21.429 41.449 103.585 1.00 24.35 ATOM 16 CA VAL P 106 19.137 39.978 106.237 1.00 25.99 ATOM 17 CA ALA P 107 19.682 43.412 107.707 1.00 29.06 ATOM 18 CA SER P 108 18.204 45.431 104.795 1.00 30.43 ATOM 19 CA LEU P 109 15.703 42.855 103.630 1.00 31.35 ATOM 20 CA LYS P 110 14.021 42.104 106.965 1.00 30.17 ATOM 21 CA GLY P 111 10.347 42.748 106.502 1.00 29.99 ATOM 22 CA LYS P 112 10.575 43.169 102.710 1.00 30.22 ATOM 23 CA ARG P 113 9.256 41.394 99.560 1.00 24.36 ATOM 24 CA VAL P 114 11.849 40.252 97.033 1.00 23.66 ATOM 25 CA GLY P 115 10.243 39.191 93.773 1.00 21.18 ATOM 26 CA VAL P 116 11.780 36.151 92.024 1.00 23.27 ATOM 27 CA LEU P 117 10.737 33.627 89.333 1.00 24.30 ATOM 28 CA GLN P 118 9.515 30.141 89.564 1.00 23.72 ATOM 29 CA GLY P 119 12.215 27.589 89.180 1.00 24.10 ATOM 30 CA THR P 120 15.210 29.966 89.087 1.00 25.05 ATOM 31 CA THR P 121 18.360 29.537 91.161 1.00 24.71 ATOM 32 CA GLN P 122 17.336 32.821 92.740 1.00 26.55 ATOM 33 CA GLU P 123 14.055 31.351 93.858 1.00 28.91 ATOM 34 CA THR P 124 15.924 28.491 95.469 1.00 28.24 ATOM 35 CA PHE P 125 18.473 30.559 97.425 1.00 24.73 ATOM 36 CA GLY P 126 15.624 32.949 98.514 1.00 24.79 ATOM 37 CA ASN P 127 13.402 30.132 100.000 1.00 22.33 ATOM 38 CA GLU P 128 16.469 28.694 101.741 1.00 21.54 ATOM 39 CA HIS P 129 18.329 31.712 102.929 1.00 27.74 ATOM 40 CA TRP P 130 16.164 34.680 103.228 1.00 27.89 ATOM 41 CA ALA P 131 12.720 33.255 103.744 1.00 28.10 ATOM 42 CA PRO P 132 13.232 31.497 107.150 1.00 31.97 ATOM 43 CA LYS P 133 14.699 34.808 108.458 1.00 24.48 ATOM 44 CA GLY P 134 11.523 36.832 107.708 1.00 23.71 ATOM 45 CA ILE P 135 12.173 38.111 104.221 1.00 25.33 ATOM 46 CA GLU P 136 9.124 37.635 101.796 1.00 26.87 ATOM 47 CA ILE P 137 10.177 35.677 98.663 1.00 25.42 ATOM 48 CA VAL P 138 7.461 36.518 96.135 1.00 18.25 ATOM 49 CA SER P 139 7.411 34.076 93.168 1.00 26.09 ATOM 50 CA TYR P 140 6.266 34.845 89.602 1.00 26.29 ATOM 51 CA GLN P 141 5.594 33.297 86.127 1.00 31.41 ATOM 52 CA GLY P 142 6.764 36.034 83.716 1.00 31.85 ATOM 53 CA GLN P 143 9.945 38.065 84.225 1.00 29.17 ATOM 54 CA ASP P 144 8.546 41.256 83.161 1.00 31.20 ATOM 55 CA ASN P 145 5.803 40.947 85.812 1.00 26.28 ATOM 56 CA ILE P 146 8.531 40.988 88.572 1.00 20.46 ATOM 57 CA TYR P 147 9.770 44.219 86.877 1.00 16.73 ATOM 58 CA SER P 148 6.262 45.462 86.625 1.00 21.68 ATOM 59 CA ASP P 149 5.286 44.807 90.261 1.00 25.20 ATOM 60 CA LEU P 150 8.548 46.449 91.221 1.00 26.15 ATOM 61 CA THR P 151 7.572 49.714 89.677 1.00 19.77 ATOM 62 CA ALA P 152 3.901 49.460 90.877 1.00 19.65 ATOM 63 CA GLY P 153 5.685 49.372 94.223 1.00 19.76 ATOM 64 CA ARG P 154 4.443 45.958 95.286 1.00 22.21 ATOM 65 CA ILE P 155 7.724 44.185 95.716 1.00 24.26 ATOM 66 CA ASP P 156 10.872 45.812 97.037 1.00 21.65 ATOM 67 CA ALA P 157 13.649 44.265 95.158 1.00 22.49 ATOM 68 CA ALA P 158 13.779 42.042 92.008 1.00 26.64 ATOM 69 CA PHE P 159 16.293 39.186 92.048 1.00 19.27 ATOM 70 CA GLN P 160 17.616 37.953 88.676 1.00 19.43 ATOM 71 CA ASP P 161 20.695 37.630 86.683 1.00 20.51 ATOM 72 CA GLU P 162 22.760 40.776 86.327 1.00 27.29 ATOM 73 CA VAL P 163 22.874 41.326 82.473 1.00 22.18 ATOM 74 CA ALA P 164 19.244 40.578 81.903 1.00 22.76 ATOM 75 CA ALA P 165 18.259 43.250 84.460 1.00 28.92 ATOM 76 CA SER P 166 20.596 45.827 82.847 1.00 23.23 ATOM 77 CA GLU P 167 19.734 45.095 79.237 1.00 21.32 ATOM 78 CA GLY P 168 16.082 44.339 79.614 1.00 15.46 ATOM 79 CA PHE P 169 15.129 46.650 82.399 1.00 19.30 ATOM 80 CA LEU P 170 17.622 49.167 83.653 1.00 16.85 ATOM 81 CA LYS P 171 18.658 50.414 80.238 1.00 26.32 ATOM 82 CA GLN P 172 15.082 50.798 79.116 1.00 22.46 ATOM 83 CA PRO P 173 12.924 53.917 80.002 1.00 31.35 ATOM 84 CA VAL P 174 11.064 51.922 82.721 1.00 29.27 ATOM 85 CA GLY P 175 14.234 51.021 84.654 1.00 19.03 ATOM 86 CA LYS P 176 16.047 54.472 84.669 1.00 23.50 ATOM 87 CA ASP P 177 14.812 55.273 88.238 1.00 28.11 ATOM 88 CA TYR P 178 16.209 51.996 89.315 1.00 21.85 ATOM 89 CA LYS P 179 19.609 50.640 89.930 1.00 20.99 ATOM 90 CA PHE P 180 21.224 47.554 91.398 1.00 22.40 ATOM 91 CA GLY P 181 21.075 47.386 95.272 1.00 25.61 ATOM 92 CA GLY P 182 24.581 46.496 96.385 1.00 24.82 ATOM 93 CA PRO P 183 26.699 43.861 94.540 1.00 29.48 ATOM 94 CA ALA P 184 25.714 40.415 93.377 1.00 28.76 ATOM 95 CA VAL P 185 25.003 37.408 95.569 1.00 32.07 ATOM 96 CA LYS P 186 27.942 35.028 95.023 1.00 36.57 ATOM 97 CA ASP P 187 27.185 31.379 95.855 1.00 32.46 ATOM 98 CA GLU P 188 28.754 29.176 93.105 1.00 33.72 ATOM 99 CA LYS P 189 26.932 26.060 94.465 1.00 31.85 ATOM 100 CA LEU P 190 23.426 27.293 94.146 1.00 30.87 TER