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 138 ALA ILE PRO GLN LYS ILE ARG ILE GLY THR ASP PRO THR SEQRES 2 P 138 TYR ALA PRO PHE GLU SER LYS ASN ALA GLN GLY GLU LEU SEQRES 3 P 138 VAL GLY PHE ASP ILE ASP LEU ALA LYS GLU LEU CYS LYS SEQRES 4 P 138 ARG ILE ASN THR GLN CYS THR PHE VAL GLU ASN PRO LEU SEQRES 5 P 138 ASP ALA LEU ILE PRO SER LEU LYS ALA LYS LYS ILE ASP SEQRES 6 P 138 ALA ILE MET SER SER LEU SER ILE THR GLU LYS ARG GLN SEQRES 7 P 138 GLN GLU ILE ALA PHE THR ASP LYS LEU TYR ALA ALA PHE SEQRES 8 P 138 GLY VAL GLY THR GLY MET GLY LEU ARG LYS GLU ASP ASN SEQRES 9 P 138 GLU LEU ARG GLU ALA LEU ASN LYS ALA PHE ALA GLU MET SEQRES 10 P 138 ARG ALA ASP GLY THR TYR GLU LYS LEU ALA LYS LYS TYR SEQRES 11 P 138 PHE ASP PHE ASP VAL TYR GLY GLY ATOM 1 CA ALA P 1 22.637 8.780 65.499 1.00 39.91 ATOM 2 CA ILE P 2 21.938 12.626 65.508 1.00 40.76 ATOM 3 CA PRO P 3 18.129 13.227 65.134 1.00 42.21 ATOM 4 CA GLN P 4 16.752 14.840 62.149 1.00 38.52 ATOM 5 CA LYS P 5 14.511 17.003 64.234 1.00 34.94 ATOM 6 CA ILE P 6 15.050 18.389 67.813 1.00 30.08 ATOM 7 CA ARG P 7 12.722 20.349 70.229 1.00 28.93 ATOM 8 CA ILE P 8 14.379 23.254 72.142 1.00 28.28 ATOM 9 CA GLY P 9 12.141 24.487 74.947 1.00 27.33 ATOM 10 CA THR P 10 12.372 28.001 76.130 1.00 25.47 ATOM 11 CA ASP P 11 10.649 30.500 78.173 1.00 29.98 ATOM 12 CA PRO P 12 10.121 33.846 76.260 1.00 24.29 ATOM 13 CA THR P 13 10.286 36.297 79.139 1.00 26.23 ATOM 14 CA TYR P 14 13.972 37.047 79.680 1.00 22.25 ATOM 15 CA ALA P 15 15.265 39.673 77.336 1.00 19.36 ATOM 16 CA PRO P 16 18.148 39.981 75.991 1.00 23.67 ATOM 17 CA PHE P 17 18.165 36.244 75.520 1.00 22.85 ATOM 18 CA GLU P 18 14.541 35.285 74.861 1.00 26.02 ATOM 19 CA SER P 19 11.782 37.643 74.057 1.00 27.39 ATOM 20 CA LYS P 20 9.008 37.878 71.508 1.00 31.61 ATOM 21 CA ASN P 21 8.617 41.024 69.465 1.00 36.46 ATOM 22 CA ALA P 22 6.134 43.266 67.745 1.00 41.54 ATOM 23 CA GLN P 23 4.967 40.474 65.501 1.00 41.66 ATOM 24 CA GLY P 24 5.504 37.676 67.966 1.00 32.20 ATOM 25 CA GLU P 25 8.670 36.280 66.551 1.00 31.99 ATOM 26 CA LEU P 26 11.104 34.715 69.082 1.00 28.58 ATOM 27 CA VAL P 27 13.951 37.212 69.442 1.00 27.98 ATOM 28 CA GLY P 28 17.277 37.050 71.409 1.00 22.25 ATOM 29 CA PHE P 29 20.836 35.870 71.912 1.00 22.21 ATOM 30 CA ASP P 30 20.008 32.290 72.927 1.00 31.69 ATOM 31 CA ILE P 31 17.802 32.064 69.750 1.00 32.20 ATOM 32 CA ASP P 32 20.751 33.240 67.725 1.00 29.65 ATOM 33 CA LEU P 33 23.154 30.677 69.249 1.00 32.24 ATOM 34 CA ALA P 34 20.712 27.785 69.287 1.00 26.01 ATOM 35 CA LYS P 35 19.838 28.179 65.559 1.00 29.94 ATOM 36 CA GLU P 36 23.516 28.558 64.616 1.00 31.79 ATOM 37 CA LEU P 37 24.238 25.495 66.636 1.00 33.11 ATOM 38 CA CYS P 38 21.489 23.578 64.767 1.00 32.69 ATOM 39 CA LYS P 39 22.783 24.930 61.475 1.00 30.75 ATOM 40 CA ARG P 40 26.086 23.616 62.499 1.00 24.93 ATOM 41 CA ILE P 41 24.994 20.050 63.555 1.00 29.24 ATOM 42 CA ASN P 42 22.589 19.990 60.570 1.00 37.19 ATOM 43 CA THR P 43 19.421 19.274 62.493 1.00 40.24 ATOM 44 CA GLN P 44 16.118 21.172 62.295 1.00 39.76 ATOM 45 CA CYS P 45 14.816 22.680 65.601 1.00 35.22 ATOM 46 CA THR P 46 11.388 23.600 66.962 1.00 32.81 ATOM 47 CA PHE P 47 11.490 26.150 69.796 1.00 30.51 ATOM 48 CA VAL P 48 8.734 25.033 72.214 1.00 30.67 ATOM 49 CA GLU P 49 7.548 27.739 74.605 1.00 34.90 ATOM 50 CA ASN P 50 7.115 26.873 78.272 1.00 34.53 ATOM 51 CA PRO P 51 7.492 28.729 81.735 1.00 33.49 ATOM 52 CA LEU P 52 11.003 28.068 83.161 1.00 29.30 ATOM 53 CA ASP P 53 9.571 26.036 86.024 1.00 30.41 ATOM 54 CA ALA P 54 8.141 23.546 83.492 1.00 26.82 ATOM 55 CA LEU P 55 11.189 22.870 81.412 1.00 23.87 ATOM 56 CA ILE P 56 13.355 20.244 83.276 1.00 25.81 ATOM 57 CA PRO P 57 10.417 17.849 83.692 1.00 31.92 ATOM 58 CA SER P 58 9.533 18.195 79.914 1.00 31.60 ATOM 59 CA LEU P 59 13.132 17.330 78.850 1.00 26.82 ATOM 60 CA LYS P 60 13.041 14.320 81.053 1.00 30.69 ATOM 61 CA ALA P 61 9.543 13.221 79.986 1.00 28.89 ATOM 62 CA LYS P 62 10.825 13.373 76.318 1.00 27.79 ATOM 63 CA LYS P 63 8.512 16.178 75.462 1.00 26.61 ATOM 64 CA ILE P 64 11.406 18.436 74.566 1.00 32.25 ATOM 65 CA ASP P 65 15.038 17.745 73.576 1.00 32.15 ATOM 66 CA ALA P 66 17.121 20.614 74.876 1.00 29.59 ATOM 67 CA ILE P 67 16.644 23.651 77.091 1.00 31.45 ATOM 68 CA MET P 68 17.889 26.902 75.920 1.00 35.45 ATOM 69 CA SER P 69 16.794 29.483 78.479 1.00 27.42 ATOM 70 CA SER P 70 19.868 31.026 80.160 1.00 28.53 ATOM 71 CA LEU P 71 19.688 28.106 82.496 1.00 26.83 ATOM 72 CA SER P 72 22.542 28.171 84.972 1.00 21.15 ATOM 73 CA ILE P 73 24.644 25.056 85.214 1.00 22.63 ATOM 74 CA THR P 74 24.460 23.965 88.823 1.00 24.22 ATOM 75 CA GLU P 75 25.227 20.833 90.944 1.00 32.73 ATOM 76 CA LYS P 76 21.515 20.476 91.962 1.00 29.04 ATOM 77 CA ARG P 77 20.435 20.695 88.272 1.00 29.57 ATOM 78 CA GLN P 78 23.364 18.735 87.016 1.00 26.13 ATOM 79 CA GLN P 79 22.204 15.772 88.941 1.00 38.59 ATOM 80 CA GLU P 80 19.031 15.187 86.826 1.00 39.10 ATOM 81 CA ILE P 81 20.037 16.355 83.349 1.00 25.14 ATOM 82 CA ALA P 82 23.194 17.178 81.435 1.00 25.48 ATOM 83 CA PHE P 83 24.241 20.583 80.034 1.00 28.52 ATOM 84 CA THR P 84 26.588 21.581 77.133 1.00 31.41 ATOM 85 CA ASP P 85 29.560 23.878 77.764 1.00 33.24 ATOM 86 CA LYS P 86 29.233 27.313 79.357 1.00 29.57 ATOM 87 CA LEU P 87 27.754 29.502 76.719 1.00 23.23 ATOM 88 CA TYR P 88 28.311 32.818 78.544 1.00 23.32 ATOM 89 CA ALA P 89 28.445 33.882 82.276 1.00 31.16 ATOM 90 CA ALA P 90 25.683 34.736 84.830 1.00 25.79 ATOM 91 CA PHE P 191 24.038 29.901 91.557 1.00 27.19 ATOM 92 CA GLY P 192 26.715 28.507 89.236 1.00 28.11 ATOM 93 CA VAL P 193 28.899 30.984 87.291 1.00 29.96 ATOM 94 CA GLY P 194 27.439 30.522 83.753 1.00 34.25 ATOM 95 CA THR P 195 24.697 29.231 81.451 1.00 31.63 ATOM 96 CA GLY P 196 24.192 26.151 79.353 1.00 29.87 ATOM 97 CA MET P 197 21.949 24.099 77.146 1.00 22.40 ATOM 98 CA GLY P 198 20.184 21.385 79.196 1.00 21.09 ATOM 99 CA LEU P 199 20.106 17.927 77.595 1.00 27.46 ATOM 100 CA ARG P 200 19.206 14.540 79.039 1.00 29.07 ATOM 101 CA LYS P 201 21.767 12.580 80.989 1.00 33.08 ATOM 102 CA GLU P 202 20.819 9.849 78.480 1.00 40.14 ATOM 103 CA ASP P 203 22.046 11.747 75.394 1.00 38.23 ATOM 104 CA ASN P 204 25.818 11.459 75.185 1.00 41.99 ATOM 105 CA GLU P 205 26.155 11.687 71.402 1.00 45.23 ATOM 106 CA LEU P 206 24.087 14.823 71.381 1.00 41.16 ATOM 107 CA ARG P 207 26.027 16.829 74.053 1.00 33.74 ATOM 108 CA GLU P 208 29.478 16.304 72.518 1.00 33.18 ATOM 109 CA ALA P 209 28.165 17.277 69.032 1.00 28.32 ATOM 110 CA LEU P 210 26.731 20.483 70.442 1.00 25.70 ATOM 111 CA ASN P 211 29.811 20.981 72.472 1.00 27.70 ATOM 112 CA LYS P 212 32.149 20.677 69.482 1.00 35.85 ATOM 113 CA ALA P 213 30.270 23.027 67.215 1.00 32.55 ATOM 114 CA PHE P 214 30.080 25.675 69.997 1.00 27.18 ATOM 115 CA ALA P 215 33.880 25.520 69.984 1.00 27.53 ATOM 116 CA GLU P 216 34.012 25.787 66.124 1.00 33.43 ATOM 117 CA MET P 217 31.820 28.902 66.280 1.00 23.38 ATOM 118 CA ARG P 218 33.819 30.619 69.098 1.00 29.47 ATOM 119 CA ALA P 219 36.975 30.066 67.079 1.00 28.02 ATOM 120 CA ASP P 220 35.734 31.198 63.626 1.00 28.58 ATOM 121 CA GLY P 221 34.224 34.541 64.829 1.00 25.73 ATOM 122 CA THR P 222 30.528 33.718 64.908 1.00 30.23 ATOM 123 CA TYR P 223 30.399 34.319 68.705 1.00 31.56 ATOM 124 CA GLU P 224 31.779 37.844 68.321 1.00 27.63 ATOM 125 CA LYS P 225 29.372 38.763 65.448 1.00 32.24 ATOM 126 CA LEU P 226 26.482 37.421 67.332 1.00 27.35 ATOM 127 CA ALA P 227 27.358 38.820 70.819 1.00 27.16 ATOM 128 CA LYS P 228 27.935 42.344 69.297 1.00 28.45 ATOM 129 CA LYS P 229 24.278 42.443 68.180 1.00 27.76 ATOM 130 CA TYR P 230 23.449 42.456 71.859 1.00 29.37 ATOM 131 CA PHE P 231 26.162 43.543 74.238 1.00 26.58 ATOM 132 CA ASP P 232 28.862 46.213 73.970 1.00 30.24 ATOM 133 CA PHE P 233 31.048 43.956 76.181 1.00 23.82 ATOM 134 CA ASP P 234 32.593 40.506 76.608 1.00 27.57 ATOM 135 CA VAL P 235 29.542 38.549 77.812 1.00 26.49 ATOM 136 CA TYR P 236 31.509 35.217 77.637 1.00 25.55 ATOM 137 CA GLY P 237 33.339 35.411 81.052 1.00 26.43 ATOM 138 CA GLY P 238 35.547 32.241 80.828 1.00 34.74 TER