HEADER HYDROLASE/HYDROLASE INHIBITOR 06-MAY-05 1ZLH TITLE Crystal structure of the tick carboxypeptidase inhibitor in complex TITLE 2 with bovine carboxypeptidase A COMPND MOL_ID: 1; COMPND 2 MOLECULE: Carboxypeptidase A1; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.17.1; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 carboxypeptidase inhibitor; COMPND 8 CHAIN: B; COMPND 9 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.70 ANGSTORMS DBREF 1ZLH A 1 309 UNP P00730 CBPA_BOVIN 111 419 DBREF 1ZLH B 1 75 GB 58374130 AAW72225 23 97 SEQRES 1 B 37 THR GLY CYS LYS GLY LYS GLY GLY GLU CYS ASN PRO LEU SEQRES 2 B 37 ASP ARG GLN CYS LYS GLU LEU GLN ALA GLU SER ALA SER SEQRES 3 B 37 CYS GLY LYS GLY GLN LYS CYS CYS VAL TRP LEU ATOM 1 ZN ZN A 555 2.121 4.901 17.069 1.00 10.79 TER ATOM 1 N THR B 38 -0.121 24.536 25.634 1.00 17.53 ATOM 2 CA THR B 38 -0.286 23.894 26.936 1.00 17.19 ATOM 3 C THR B 38 -1.552 23.050 26.930 1.00 16.26 ATOM 4 O THR B 38 -2.436 23.239 26.094 1.00 16.09 ATOM 5 CB THR B 38 -0.370 24.942 28.071 1.00 17.53 ATOM 6 OG1 THR B 38 -1.530 25.770 27.902 1.00 18.65 ATOM 7 CG2 THR B 38 0.799 25.902 28.021 1.00 18.30 ATOM 8 N GLY B 39 -1.640 22.129 27.881 1.00 15.36 ATOM 9 CA GLY B 39 -2.816 21.293 28.025 1.00 14.68 ATOM 10 C GLY B 39 -2.636 19.967 27.313 1.00 14.26 ATOM 11 O GLY B 39 -1.613 19.726 26.662 1.00 13.87 ATOM 12 N CYS B 40 -3.651 19.118 27.409 1.00 13.62 ATOM 13 CA CYS B 40 -3.531 17.735 26.968 1.00 13.63 ATOM 14 C CYS B 40 -3.364 17.604 25.447 1.00 14.15 ATOM 15 O CYS B 40 -2.374 17.052 24.975 1.00 13.86 ATOM 16 CB CYS B 40 -4.745 16.927 27.435 1.00 13.41 ATOM 17 SG CYS B 40 -4.582 15.173 27.101 1.00 11.73 ATOM 18 N LYS B 41 -4.333 18.103 24.689 1.00 14.64 ATOM 19 CA LYS B 41 -4.295 18.004 23.225 1.00 15.27 ATOM 20 C LYS B 41 -3.044 18.671 22.646 1.00 15.22 ATOM 21 O LYS B 41 -2.455 18.171 21.685 1.00 14.44 ATOM 22 CB LYS B 41 -5.561 18.611 22.604 1.00 15.86 ATOM 23 CG LYS B 41 -5.941 18.044 21.231 1.00 17.60 ATOM 24 CD LYS B 41 -7.429 18.281 20.917 1.00 19.80 ATOM 25 CE LYS B 41 -7.837 17.580 19.633 1.00 20.49 ATOM 26 NZ LYS B 41 -9.270 17.850 19.233 1.00 20.49 ATOM 27 N GLY B 42 -2.631 19.783 23.251 1.00 15.65 ATOM 28 CA GLY B 42 -1.463 20.524 22.802 1.00 16.30 ATOM 29 C GLY B 42 -0.152 19.764 22.934 1.00 16.67 ATOM 30 O GLY B 42 0.802 20.025 22.190 1.00 16.86 ATOM 31 N LYS B 43 -0.097 18.826 23.878 1.00 16.76 ATOM 32 CA LYS B 43 1.081 17.984 24.058 1.00 17.10 ATOM 33 C LYS B 43 0.947 16.607 23.397 1.00 16.66 ATOM 34 O LYS B 43 1.718 15.700 23.703 1.00 17.45 ATOM 35 CB LYS B 43 1.404 17.838 25.553 1.00 17.49 ATOM 36 CG LYS B 43 1.629 19.165 26.283 1.00 19.19 ATOM 37 CD LYS B 43 2.799 19.969 25.705 1.00 20.63 ATOM 38 CE LYS B 43 4.039 19.857 26.564 1.00 22.18 ATOM 39 NZ LYS B 43 5.277 20.271 25.834 1.00 23.63 ATOM 40 N GLY B 44 -0.006 16.456 22.476 1.00 15.90 ATOM 41 CA GLY B 44 -0.200 15.209 21.752 1.00 15.30 ATOM 42 C GLY B 44 -1.016 14.169 22.504 1.00 14.64 ATOM 43 O GLY B 44 -0.997 12.985 22.158 1.00 14.90 ATOM 44 N GLY B 45 -1.748 14.615 23.521 1.00 13.53 ATOM 45 CA GLY B 45 -2.548 13.730 24.341 1.00 12.65 ATOM 46 C GLY B 45 -4.026 13.766 24.000 1.00 12.11 ATOM 47 O GLY B 45 -4.481 14.582 23.196 1.00 11.98 ATOM 48 N GLU B 46 -4.771 12.881 24.649 1.00 11.33 ATOM 49 CA GLU B 46 -6.220 12.796 24.505 1.00 11.05 ATOM 50 C GLU B 46 -6.819 12.584 25.882 1.00 11.11 ATOM 51 O GLU B 46 -6.364 11.731 26.639 1.00 10.71 ATOM 52 CB GLU B 46 -6.612 11.636 23.595 1.00 11.06 ATOM 53 CG GLU B 46 -8.121 11.503 23.416 1.00 10.80 ATOM 54 CD GLU B 46 -8.543 10.209 22.744 1.00 11.60 ATOM 55 OE1 GLU B 46 -9.404 10.269 21.832 1.00 10.54 ATOM 56 OE2 GLU B 46 -8.034 9.136 23.145 1.00 10.33 ATOM 57 N CYS B 47 -7.846 13.357 26.208 1.00 11.26 ATOM 58 CA CYS B 47 -8.547 13.176 27.468 1.00 11.47 ATOM 59 C CYS B 47 -9.346 11.872 27.423 1.00 11.89 ATOM 60 O CYS B 47 -10.090 11.612 26.466 1.00 12.03 ATOM 61 CB CYS B 47 -9.443 14.387 27.765 1.00 11.54 ATOM 62 SG CYS B 47 -8.474 15.905 27.982 1.00 11.84 ATOM 63 N ASN B 48 -9.158 11.052 28.456 1.00 11.89 ATOM 64 CA ASN B 48 -9.825 9.760 28.594 1.00 12.34 ATOM 65 C ASN B 48 -10.346 9.577 30.010 1.00 12.70 ATOM 66 O ASN B 48 -9.849 10.212 30.937 1.00 12.45 ATOM 67 CB ASN B 48 -8.843 8.631 28.290 1.00 12.36 ATOM 68 CG ASN B 48 -8.654 8.404 26.816 1.00 12.30 ATOM 69 OD1 ASN B 48 -9.243 7.482 26.240 1.00 13.80 ATOM 70 ND2 ASN B 48 -7.848 9.252 26.184 1.00 11.13 ATOM 71 N PRO B 49 -11.331 8.701 30.194 1.00 13.33 ATOM 72 CA PRO B 49 -11.806 8.380 31.548 1.00 14.09 ATOM 73 C PRO B 49 -10.706 7.735 32.385 1.00 14.58 ATOM 74 O PRO B 49 -9.808 7.101 31.830 1.00 14.79 ATOM 75 CB PRO B 49 -12.965 7.400 31.315 1.00 14.23 ATOM 76 CG PRO B 49 -12.867 6.952 29.902 1.00 13.96 ATOM 77 CD PRO B 49 -12.053 7.957 29.148 1.00 13.41 ATOM 78 N LEU B 50 -10.788 7.884 33.702 1.00 15.22 ATOM 79 CA LEU B 50 -9.729 7.435 34.602 1.00 15.78 ATOM 80 C LEU B 50 -9.468 5.932 34.527 1.00 15.89 ATOM 81 O LEU B 50 -8.349 5.486 34.752 1.00 15.51 ATOM 82 CB LEU B 50 -10.066 7.808 36.052 1.00 16.25 ATOM 83 CG LEU B 50 -10.268 9.291 36.364 1.00 17.34 ATOM 84 CD1 LEU B 50 -10.343 9.519 37.871 1.00 18.53 ATOM 85 CD2 LEU B 50 -9.161 10.141 35.759 1.00 18.04 ATOM 86 N ASP B 51 -10.499 5.153 34.217 1.00 16.34 ATOM 87 CA ASP B 51 -10.356 3.699 34.200 1.00 17.06 ATOM 88 C ASP B 51 -9.729 3.149 32.919 1.00 16.85 ATOM 89 O ASP B 51 -9.496 1.952 32.835 1.00 16.89 ATOM 90 CB ASP B 51 -11.682 2.989 34.514 1.00 17.64 ATOM 91 CG ASP B 51 -12.798 3.346 33.558 1.00 20.19 ATOM 92 OD1 ASP B 51 -13.949 2.965 33.868 1.00 23.13 ATOM 93 OD2 ASP B 51 -12.651 3.993 32.492 1.00 23.30 ATOM 94 N ARG B 52 -9.439 4.010 31.937 1.00 16.54 ATOM 95 CA ARG B 52 -8.768 3.561 30.716 1.00 16.36 ATOM 96 C ARG B 52 -7.275 3.381 30.970 1.00 16.13 ATOM 97 O ARG B 52 -6.594 4.308 31.403 1.00 16.05 ATOM 98 CB ARG B 52 -8.988 4.547 29.562 1.00 16.59 ATOM 99 CG ARG B 52 -8.312 4.151 28.231 1.00 17.26 ATOM 100 CD ARG B 52 -8.887 2.903 27.577 1.00 18.91 ATOM 101 NE ARG B 52 -8.192 2.518 26.341 1.00 19.47 ATOM 102 CZ ARG B 52 -8.481 2.977 25.120 1.00 20.75 ATOM 103 NH1 ARG B 52 -7.785 2.549 24.080 1.00 21.23 ATOM 104 NH2 ARG B 52 -9.453 3.853 24.925 1.00 21.33 ATOM 105 N GLN B 53 -6.769 2.182 30.693 1.00 16.00 ATOM 106 CA GLN B 53 -5.350 1.909 30.850 1.00 16.00 ATOM 107 C GLN B 53 -4.588 2.696 29.788 1.00 15.24 ATOM 108 O GLN B 53 -4.850 2.559 28.591 1.00 14.68 ATOM 109 CB GLN B 53 -5.052 0.414 30.718 1.00 16.79 ATOM 110 CG GLN B 53 -3.660 0.014 31.200 1.00 19.15 ATOM 111 CD GLN B 53 -3.319 -1.442 30.882 1.00 21.83 ATOM 112 OE1 GLN B 53 -4.195 -2.227 30.556 1.00 23.23 ATOM 113 NE2 GLN B 53 -2.044 -1.790 30.975 1.00 25.92 ATOM 114 N CYS B 54 -3.649 3.523 30.231 1.00 14.62 ATOM 115 CA CYS B 54 -2.886 4.349 29.307 1.00 14.12 ATOM 116 C CYS B 54 -1.578 4.869 29.888 1.00 14.29 ATOM 117 O CYS B 54 -1.306 4.744 31.084 1.00 14.66 ATOM 118 CB CYS B 54 -3.751 5.513 28.809 1.00 13.88 ATOM 119 SG CYS B 54 -3.772 6.979 29.858 1.00 12.41 ATOM 120 N LYS B 55 -0.757 5.429 29.011 1.00 14.47 ATOM 121 CA LYS B 55 0.403 6.214 29.416 1.00 14.73 ATOM 122 C LYS B 55 -0.049 7.648 29.686 1.00 14.51 ATOM 123 O LYS B 55 -0.265 8.434 28.760 1.00 13.86 ATOM 124 CB LYS B 55 1.481 6.185 28.333 1.00 15.36 ATOM 125 CG LYS B 55 2.789 6.843 28.760 1.00 17.83 ATOM 126 CD LYS B 55 3.754 7.020 27.595 1.00 20.50 ATOM 127 CE LYS B 55 4.895 7.965 27.954 1.00 22.53 ATOM 128 NZ LYS B 55 5.941 7.289 28.774 1.00 24.00 ATOM 129 N GLU B 56 -0.191 7.983 30.963 1.00 14.29 ATOM 130 CA GLU B 56 -0.689 9.292 31.370 1.00 14.39 ATOM 131 C GLU B 56 0.384 10.377 31.278 1.00 14.60 ATOM 132 O GLU B 56 1.537 10.157 31.666 1.00 14.55 ATOM 133 CB GLU B 56 -1.255 9.224 32.800 1.00 14.33 ATOM 134 CG GLU B 56 -1.961 10.503 33.243 1.00 14.57 ATOM 135 CD GLU B 56 -2.494 10.466 34.665 1.00 15.15 ATOM 136 OE1 GLU B 56 -2.979 11.530 35.122 1.00 14.49 ATOM 137 OE2 GLU B 56 -2.435 9.401 35.329 1.00 15.16 ATOM 138 N LEU B 57 0.006 11.541 30.747 1.00 14.66 ATOM 139 CA LEU B 57 0.815 12.755 30.860 1.00 15.24 ATOM 140 C LEU B 57 0.262 13.512 32.044 1.00 14.75 ATOM 141 O LEU B 57 -0.604 14.362 31.878 1.00 14.22 ATOM 142 CB LEU B 57 0.682 13.645 29.627 1.00 16.09 ATOM 143 CG LEU B 57 1.494 13.334 28.388 1.00 18.59 ATOM 144 CD1 LEU B 57 1.423 14.534 27.422 1.00 20.45 ATOM 145 CD2 LEU B 57 2.936 12.983 28.709 1.00 19.95 ATOM 146 N GLN B 58 0.743 13.183 33.239 1.00 14.57 ATOM 147 CA GLN B 58 0.128 13.673 34.472 1.00 14.53 ATOM 148 C GLN B 58 0.076 15.195 34.563 1.00 14.28 ATOM 149 O GLN B 58 -0.878 15.747 35.099 1.00 14.69 ATOM 150 CB GLN B 58 0.857 13.097 35.691 1.00 14.86 ATOM 151 N ALA B 59 1.088 15.872 34.029 1.00 14.24 ATOM 152 CA ALA B 59 1.146 17.338 34.067 1.00 14.19 ATOM 153 C ALA B 59 -0.003 18.012 33.304 1.00 13.81 ATOM 154 O ALA B 59 -0.338 19.162 33.574 1.00 14.01 ATOM 155 CB ALA B 59 2.482 17.819 33.529 1.00 14.37 ATOM 156 N GLU B 60 -0.592 17.297 32.348 1.00 13.38 ATOM 157 CA GLU B 60 -1.700 17.817 31.552 1.00 13.07 ATOM 158 C GLU B 60 -3.065 17.233 31.901 1.00 12.36 ATOM 159 O GLU B 60 -4.074 17.622 31.308 1.00 12.02 ATOM 160 CB GLU B 60 -1.422 17.591 30.063 1.00 13.36 ATOM 161 CG GLU B 60 -0.046 18.053 29.598 1.00 14.23 ATOM 162 CD GLU B 60 0.256 19.502 29.946 1.00 15.28 ATOM 163 OE1 GLU B 60 -0.684 20.312 30.046 1.00 16.03 ATOM 164 OE2 GLU B 60 1.445 19.840 30.101 1.00 16.86 ATOM 165 N SER B 61 -3.119 16.307 32.854 1.00 11.88 ATOM 166 CA SER B 61 -4.388 15.657 33.172 1.00 11.50 ATOM 167 C SER B 61 -5.434 16.619 33.749 1.00 11.62 ATOM 168 O SER B 61 -6.619 16.441 33.513 1.00 11.82 ATOM 169 CB SER B 61 -4.173 14.469 34.106 1.00 11.32 ATOM 170 OG SER B 61 -3.583 13.396 33.396 1.00 10.65 ATOM 171 N ALA B 62 -5.001 17.639 34.487 1.00 11.34 ATOM 172 CA ALA B 62 -5.940 18.620 35.050 1.00 11.28 ATOM 173 C ALA B 62 -6.754 19.353 33.974 1.00 11.28 ATOM 174 O ALA B 62 -7.915 19.690 34.199 1.00 11.60 ATOM 175 CB ALA B 62 -5.208 19.617 35.942 1.00 11.28 ATOM 176 N SER B 63 -6.152 19.582 32.805 1.00 11.34 ATOM 177 CA SER B 63 -6.836 20.232 31.684 1.00 11.47 ATOM 178 C SER B 63 -8.013 19.407 31.137 1.00 11.38 ATOM 179 O SER B 63 -8.901 19.944 30.467 1.00 11.35 ATOM 180 CB SER B 63 -5.845 20.567 30.562 1.00 11.55 ATOM 181 OG SER B 63 -5.390 19.394 29.906 1.00 12.50 ATOM 182 N CYS B 64 -8.021 18.111 31.444 1.00 11.45 ATOM 183 CA CYS B 64 -9.098 17.206 31.045 1.00 11.48 ATOM 184 C CYS B 64 -10.320 17.256 31.951 1.00 11.80 ATOM 185 O CYS B 64 -11.379 16.759 31.573 1.00 11.54 ATOM 186 CB CYS B 64 -8.577 15.772 30.983 1.00 11.37 ATOM 187 SG CYS B 64 -7.403 15.542 29.647 1.00 11.52 ATOM 188 N GLY B 65 -10.163 17.837 33.138 1.00 12.18 ATOM 189 CA GLY B 65 -11.267 18.042 34.058 1.00 12.80 ATOM 190 C GLY B 65 -11.693 16.784 34.790 1.00 13.24 ATOM 191 O GLY B 65 -10.987 15.766 34.769 1.00 13.16 ATOM 192 N LYS B 66 -12.871 16.858 35.405 1.00 13.83 ATOM 193 CA LYS B 66 -13.374 15.830 36.320 1.00 14.52 ATOM 194 C LYS B 66 -13.562 14.481 35.632 1.00 14.40 ATOM 195 O LYS B 66 -14.169 14.393 34.565 1.00 14.56 ATOM 196 CB LYS B 66 -14.702 16.277 36.955 1.00 14.81 ATOM 197 CG LYS B 66 -15.296 15.273 37.961 1.00 16.68 ATOM 198 CD LYS B 66 -16.608 15.791 38.542 1.00 18.60 ATOM 199 CE LYS B 66 -17.256 14.798 39.494 1.00 19.99 ATOM 200 NZ LYS B 66 -18.737 14.948 39.506 1.00 21.02 ATOM 201 N GLY B 67 -13.036 13.437 36.267 1.00 14.40 ATOM 202 CA GLY B 67 -13.197 12.072 35.804 1.00 14.16 ATOM 203 C GLY B 67 -12.364 11.706 34.589 1.00 13.86 ATOM 204 O GLY B 67 -12.527 10.618 34.045 1.00 13.47 ATOM 205 N GLN B 68 -11.475 12.607 34.174 1.00 13.76 ATOM 206 CA GLN B 68 -10.656 12.404 32.986 1.00 13.85 ATOM 207 C GLN B 68 -9.187 12.637 33.288 1.00 13.41 ATOM 208 O GLN B 68 -8.831 13.352 34.232 1.00 13.29 ATOM 209 CB GLN B 68 -11.078 13.360 31.868 1.00 14.17 ATOM 210 CG GLN B 68 -12.537 13.249 31.439 1.00 15.34 ATOM 211 CD GLN B 68 -12.778 12.111 30.468 1.00 16.97 ATOM 212 OE1 GLN B 68 -12.198 12.085 29.382 1.00 17.76 ATOM 213 NE2 GLN B 68 -13.642 11.177 30.846 1.00 19.15 ATOM 214 N LYS B 69 -8.346 12.022 32.467 1.00 12.91 ATOM 215 CA LYS B 69 -6.898 12.159 32.551 1.00 12.67 ATOM 216 C LYS B 69 -6.328 12.262 31.133 1.00 12.55 ATOM 217 O LYS B 69 -6.984 11.897 30.161 1.00 12.49 ATOM 218 CB LYS B 69 -6.294 10.959 33.292 1.00 12.76 ATOM 219 CG LYS B 69 -6.607 9.608 32.648 1.00 12.71 ATOM 220 CD LYS B 69 -5.905 8.451 33.336 1.00 12.62 ATOM 221 CE LYS B 69 -6.236 7.147 32.658 1.00 12.88 ATOM 222 NZ LYS B 69 -5.742 5.967 33.421 1.00 13.12 ATOM 223 N CYS B 70 -5.111 12.767 31.023 1.00 12.41 ATOM 224 CA CYS B 70 -4.455 12.933 29.735 1.00 12.14 ATOM 225 C CYS B 70 -3.627 11.707 29.379 1.00 12.22 ATOM 226 O CYS B 70 -2.666 11.385 30.071 1.00 12.27 ATOM 227 CB CYS B 70 -3.555 14.157 29.753 1.00 12.02 ATOM 228 SG CYS B 70 -2.943 14.548 28.114 1.00 11.10 ATOM 229 N CYS B 71 -4.013 11.040 28.294 1.00 12.26 ATOM 230 CA CYS B 71 -3.312 9.870 27.775 1.00 11.98 ATOM 231 C CYS B 71 -2.591 10.223 26.485 1.00 11.91 ATOM 232 O CYS B 71 -3.140 10.931 25.662 1.00 11.92 ATOM 233 CB CYS B 71 -4.311 8.760 27.464 1.00 11.89 ATOM 234 SG CYS B 71 -5.163 8.127 28.910 1.00 11.72 ATOM 235 N VAL B 72 -1.371 9.721 26.302 1.00 11.80 ATOM 236 CA VAL B 72 -0.670 9.871 25.028 1.00 11.75 ATOM 237 C VAL B 72 -0.535 8.514 24.358 1.00 11.50 ATOM 238 O VAL B 72 0.097 7.603 24.900 1.00 11.57 ATOM 239 CB VAL B 72 0.715 10.501 25.184 1.00 11.89 ATOM 240 CG1 VAL B 72 1.412 10.630 23.827 1.00 12.43 ATOM 241 CG2 VAL B 72 0.584 11.852 25.779 1.00 12.55 ATOM 242 N TRP B 73 -1.134 8.399 23.173 1.00 11.33 ATOM 243 CA TRP B 73 -1.136 7.162 22.404 1.00 10.96 ATOM 244 C TRP B 73 0.086 7.151 21.495 1.00 10.84 ATOM 245 O TRP B 73 0.325 8.096 20.747 1.00 10.59 ATOM 246 CB TRP B 73 -2.436 7.048 21.606 1.00 11.17 ATOM 247 CG TRP B 73 -3.622 7.069 22.511 1.00 11.25 ATOM 248 CD1 TRP B 73 -4.581 8.032 22.586 1.00 12.10 ATOM 249 CD2 TRP B 73 -3.953 6.094 23.509 1.00 11.50 ATOM 250 NE1 TRP B 73 -5.502 7.707 23.554 1.00 12.29 ATOM 251 CE2 TRP B 73 -5.136 6.526 24.142 1.00 11.25 ATOM 252 CE3 TRP B 73 -3.370 4.889 23.934 1.00 11.36 ATOM 253 CZ2 TRP B 73 -5.751 5.799 25.167 1.00 11.05 ATOM 254 CZ3 TRP B 73 -3.984 4.167 24.951 1.00 10.85 ATOM 255 CH2 TRP B 73 -5.156 4.631 25.560 1.00 10.66 ATOM 256 N LEU B 74 0.845 6.063 21.558 1.00 10.66 ATOM 257 CA LEU B 74 2.174 5.996 20.964 1.00 10.84 ATOM 258 C LEU B 74 2.190 5.257 19.633 1.00 10.75 ATOM 259 O LEU B 74 1.180 5.184 18.929 1.00 10.95 ATOM 260 CB LEU B 74 3.131 5.322 21.938 1.00 10.78 ATOM 261 CG LEU B 74 3.092 5.878 23.361 1.00 11.90 ATOM 262 CD1 LEU B 74 4.004 5.074 24.263 1.00 12.38 ATOM 263 CD2 LEU B 74 3.454 7.352 23.367 1.00 12.25 TER