HEADER MEMBRANE PROTEIN 23-OCT-05 2BE6 TITLE 2.0 A crystal structure of the CaV1.2 IQ domain-Ca/CaM complex COMPND MOL_ID: 2; COMPND 2 MOLECULE: Voltage-dependent L-type calcium channel alpha-1C subunit; COMPND 3 CHAIN: D, E, F; COMPND 4 FRAGMENT: IQ domain, residues ; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.00 ANGSTORMS DBREF 2BE6 F 1611 1644 UNP Q13933 CAC1C_HUMAN 1659 1692 SEQRES 1 F 22 VAL GLY LYS PHE TYR ALA THR PHE LEU ILE GLN GLU TYR SEQRES 2 F 22 PHE ARG LYS PHE LYS LYS ARG LYS GLU ATOM 1 N VAL F1615 -13.922 9.423 -41.313 1.00 35.39 ATOM 2 CA VAL F1615 -14.225 8.920 -39.939 1.00 35.66 ATOM 3 C VAL F1615 -15.540 9.505 -39.476 1.00 35.63 ATOM 4 O VAL F1615 -15.691 10.729 -39.434 1.00 36.83 ATOM 5 CB VAL F1615 -13.175 9.350 -38.914 1.00 35.60 ATOM 6 N GLY F1616 -16.488 8.643 -39.131 1.00 34.90 ATOM 7 CA GLY F1616 -17.853 9.087 -38.816 1.00 33.90 ATOM 8 C GLY F1616 -18.106 8.898 -37.343 1.00 33.54 ATOM 9 O GLY F1616 -19.220 9.128 -36.860 1.00 33.00 ATOM 10 N LYS F1617 -17.061 8.469 -36.629 1.00 32.72 ATOM 11 CA LYS F1617 -17.176 8.131 -35.221 1.00 32.67 ATOM 12 C LYS F1617 -16.147 8.868 -34.332 1.00 31.41 ATOM 13 O LYS F1617 -14.933 8.899 -34.602 1.00 32.40 ATOM 14 CB LYS F1617 -17.060 6.601 -35.017 1.00 33.48 ATOM 15 CG LYS F1617 -18.016 5.750 -35.869 1.00 35.36 ATOM 16 CD LYS F1617 -19.462 5.837 -35.383 1.00 38.36 ATOM 17 CE LYS F1617 -19.864 4.562 -34.646 1.00 41.93 ATOM 18 NZ LYS F1617 -19.751 3.330 -35.511 1.00 44.15 ATOM 19 N PHE F1618 -16.659 9.433 -33.249 1.00 29.22 ATOM 20 CA PHE F1618 -15.840 10.100 -32.266 1.00 27.21 ATOM 21 C PHE F1618 -14.821 9.111 -31.639 1.00 25.44 ATOM 22 O PHE F1618 -13.660 9.441 -31.421 1.00 25.77 ATOM 23 CB PHE F1618 -16.752 10.674 -31.186 1.00 26.75 ATOM 24 CG PHE F1618 -16.020 11.388 -30.126 1.00 27.92 ATOM 25 CD1 PHE F1618 -15.981 12.761 -30.103 1.00 31.08 ATOM 26 CD2 PHE F1618 -15.297 10.680 -29.167 1.00 31.55 ATOM 27 CE1 PHE F1618 -15.258 13.438 -29.118 1.00 30.04 ATOM 28 CE2 PHE F1618 -14.574 11.349 -28.188 1.00 32.15 ATOM 29 CZ PHE F1618 -14.565 12.730 -28.168 1.00 29.01 ATOM 30 N TYR F1619 -15.268 7.902 -31.341 1.00 24.03 ATOM 31 CA TYR F1619 -14.419 6.898 -30.710 1.00 24.45 ATOM 32 C TYR F1619 -13.171 6.528 -31.525 1.00 24.48 ATOM 33 O TYR F1619 -12.110 6.278 -30.958 1.00 24.30 ATOM 34 CB TYR F1619 -15.234 5.638 -30.430 1.00 24.69 ATOM 35 CG TYR F1619 -14.501 4.688 -29.529 1.00 25.37 ATOM 36 CD1 TYR F1619 -14.270 5.012 -28.195 1.00 27.00 ATOM 37 CD2 TYR F1619 -14.043 3.476 -30.001 1.00 23.64 ATOM 38 CE1 TYR F1619 -13.604 4.127 -27.350 1.00 26.92 ATOM 39 CE2 TYR F1619 -13.369 2.594 -29.176 1.00 25.90 ATOM 40 CZ TYR F1619 -13.143 2.930 -27.864 1.00 25.74 ATOM 41 OH TYR F1619 -12.501 2.042 -27.045 1.00 25.71 ATOM 42 N ALA F1620 -13.298 6.493 -32.851 1.00 24.92 ATOM 43 CA ALA F1620 -12.147 6.227 -33.733 1.00 25.63 ATOM 44 C ALA F1620 -11.025 7.267 -33.544 1.00 26.15 ATOM 45 O ALA F1620 -9.839 6.920 -33.499 1.00 27.03 ATOM 46 CB ALA F1620 -12.603 6.139 -35.196 1.00 25.69 ATOM 47 N THR F1621 -11.410 8.534 -33.397 1.00 27.43 ATOM 48 CA THR F1621 -10.463 9.618 -33.181 1.00 27.80 ATOM 49 C THR F1621 -9.783 9.454 -31.799 1.00 27.55 ATOM 50 O THR F1621 -8.569 9.631 -31.670 1.00 28.07 ATOM 51 CB THR F1621 -11.134 10.997 -33.331 1.00 28.07 ATOM 52 OG1 THR F1621 -11.624 11.141 -34.671 1.00 28.38 ATOM 53 CG2 THR F1621 -10.106 12.093 -33.103 1.00 28.89 ATOM 54 N PHE F1622 -10.567 9.091 -30.792 1.00 25.90 ATOM 55 CA PHE F1622 -10.040 8.791 -29.468 1.00 26.02 ATOM 56 C PHE F1622 -8.967 7.699 -29.575 1.00 26.19 ATOM 57 O PHE F1622 -7.860 7.854 -29.048 1.00 25.10 ATOM 58 CB PHE F1622 -11.175 8.368 -28.533 1.00 26.11 ATOM 59 CG PHE F1622 -10.723 7.621 -27.310 1.00 26.01 ATOM 60 CD1 PHE F1622 -10.282 8.308 -26.185 1.00 28.26 ATOM 61 CD2 PHE F1622 -10.792 6.237 -27.266 1.00 24.59 ATOM 62 CE1 PHE F1622 -9.900 7.625 -25.039 1.00 29.29 ATOM 63 CE2 PHE F1622 -10.417 5.537 -26.142 1.00 27.37 ATOM 64 CZ PHE F1622 -9.951 6.224 -25.020 1.00 28.14 ATOM 65 N LEU F1623 -9.301 6.616 -30.278 1.00 26.12 ATOM 66 CA LEU F1623 -8.391 5.465 -30.412 1.00 26.73 ATOM 67 C LEU F1623 -7.033 5.880 -30.964 1.00 27.93 ATOM 68 O LEU F1623 -5.976 5.452 -30.474 1.00 28.69 ATOM 69 CB LEU F1623 -9.010 4.399 -31.306 1.00 26.01 ATOM 70 CG LEU F1623 -10.115 3.542 -30.721 1.00 23.57 ATOM 71 CD1 LEU F1623 -10.740 2.651 -31.833 1.00 25.11 ATOM 72 CD2 LEU F1623 -9.556 2.681 -29.571 1.00 22.17 ATOM 73 N ILE F1624 -7.062 6.685 -32.008 1.00 28.04 ATOM 74 CA ILE F1624 -5.838 7.147 -32.635 1.00 28.49 ATOM 75 C ILE F1624 -4.962 7.919 -31.672 1.00 28.71 ATOM 76 O ILE F1624 -3.760 7.645 -31.551 1.00 29.97 ATOM 77 CB ILE F1624 -6.143 7.977 -33.907 1.00 28.05 ATOM 78 CG1 ILE F1624 -6.781 7.083 -34.971 1.00 25.44 ATOM 79 CG2 ILE F1624 -4.884 8.654 -34.428 1.00 27.86 ATOM 80 CD1 ILE F1624 -7.472 7.877 -36.037 1.00 25.14 ATOM 81 N GLN F1625 -5.556 8.881 -30.975 1.00 28.89 ATOM 82 CA GLN F1625 -4.819 9.694 -30.018 1.00 28.77 ATOM 83 C GLN F1625 -4.311 8.877 -28.856 1.00 29.08 ATOM 84 O GLN F1625 -3.202 9.106 -28.355 1.00 29.04 ATOM 85 CB GLN F1625 -5.707 10.810 -29.469 1.00 28.33 ATOM 86 CG GLN F1625 -6.107 11.840 -30.477 1.00 27.61 ATOM 87 CD GLN F1625 -6.677 13.062 -29.817 1.00 29.86 ATOM 88 OE1 GLN F1625 -7.546 12.958 -28.946 1.00 35.19 ATOM 89 NE2 GLN F1625 -6.194 14.226 -30.208 1.00 26.57 ATOM 90 N GLU F1626 -5.126 7.935 -28.396 1.00 28.61 ATOM 91 CA GLU F1626 -4.716 7.092 -27.255 1.00 28.22 ATOM 92 C GLU F1626 -3.599 6.111 -27.539 1.00 27.51 ATOM 93 O GLU F1626 -2.902 5.715 -26.624 1.00 27.70 ATOM 94 CB GLU F1626 -5.903 6.348 -26.672 1.00 27.83 ATOM 95 CG GLU F1626 -6.844 7.302 -26.007 1.00 29.74 ATOM 96 CD GLU F1626 -6.177 8.036 -24.860 1.00 29.85 ATOM 97 OE1 GLU F1626 -5.803 9.236 -25.016 1.00 30.10 ATOM 98 OE2 GLU F1626 -6.035 7.390 -23.811 1.00 23.66 ATOM 99 N TYR F1627 -3.474 5.683 -28.790 1.00 27.38 ATOM 100 CA TYR F1627 -2.385 4.798 -29.220 1.00 27.36 ATOM 101 C TYR F1627 -1.061 5.468 -28.872 1.00 26.19 ATOM 102 O TYR F1627 -0.174 4.856 -28.236 1.00 26.21 ATOM 103 CB TYR F1627 -2.499 4.581 -30.729 1.00 28.25 ATOM 104 CG TYR F1627 -1.678 3.451 -31.363 1.00 30.67 ATOM 105 CD1 TYR F1627 -1.448 3.445 -32.744 1.00 31.12 ATOM 106 CD2 TYR F1627 -1.195 2.370 -30.614 1.00 30.70 ATOM 107 CE1 TYR F1627 -0.752 2.417 -33.370 1.00 32.35 ATOM 108 CE2 TYR F1627 -0.459 1.332 -31.233 1.00 32.50 ATOM 109 CZ TYR F1627 -0.252 1.369 -32.617 1.00 31.92 ATOM 110 OH TYR F1627 0.445 0.379 -33.264 1.00 32.01 ATOM 111 N PHE F1628 -0.939 6.736 -29.257 1.00 24.90 ATOM 112 CA PHE F1628 0.314 7.491 -29.044 1.00 24.64 ATOM 113 C PHE F1628 0.472 7.859 -27.600 1.00 24.51 ATOM 114 O PHE F1628 1.556 7.748 -27.038 1.00 24.46 ATOM 115 CB PHE F1628 0.374 8.739 -29.939 1.00 23.64 ATOM 116 CG PHE F1628 0.555 8.410 -31.385 1.00 22.22 ATOM 117 CD1 PHE F1628 1.805 8.069 -31.883 1.00 21.43 ATOM 118 CD2 PHE F1628 -0.539 8.361 -32.234 1.00 21.77 ATOM 119 CE1 PHE F1628 1.955 7.722 -33.220 1.00 22.57 ATOM 120 CE2 PHE F1628 -0.397 8.018 -33.569 1.00 18.19 ATOM 121 CZ PHE F1628 0.824 7.693 -34.068 1.00 17.78 ATOM 122 N ARG F1629 -0.630 8.290 -27.000 1.00 25.29 ATOM 123 CA ARG F1629 -0.664 8.657 -25.591 1.00 25.44 ATOM 124 C ARG F1629 -0.147 7.521 -24.701 1.00 25.16 ATOM 125 O ARG F1629 0.754 7.732 -23.901 1.00 24.73 ATOM 126 CB ARG F1629 -2.087 9.038 -25.180 1.00 25.94 ATOM 127 CG ARG F1629 -2.141 10.138 -24.114 1.00 27.90 ATOM 128 CD ARG F1629 -3.424 10.057 -23.279 1.00 26.54 ATOM 129 NE ARG F1629 -3.096 9.471 -21.980 1.00 28.60 ATOM 130 CZ ARG F1629 -3.589 8.329 -21.509 1.00 27.31 ATOM 131 NH1 ARG F1629 -4.470 7.621 -22.199 1.00 21.41 ATOM 132 NH2 ARG F1629 -3.195 7.898 -20.328 1.00 26.71 ATOM 133 N LYS F1630 -0.720 6.325 -24.859 1.00 24.85 ATOM 134 CA LYS F1630 -0.338 5.156 -24.054 1.00 24.64 ATOM 135 C LYS F1630 1.063 4.627 -24.346 1.00 23.99 ATOM 136 O LYS F1630 1.719 4.123 -23.439 1.00 22.94 ATOM 137 CB LYS F1630 -1.354 4.016 -24.201 1.00 25.64 ATOM 138 CG LYS F1630 -2.798 4.402 -23.850 1.00 26.71 ATOM 139 CD LYS F1630 -3.541 3.253 -23.178 1.00 30.28 ATOM 140 CE LYS F1630 -4.621 2.648 -24.084 1.00 30.90 ATOM 141 NZ LYS F1630 -5.653 1.919 -23.258 1.00 33.14 ATOM 142 N PHE F1631 1.511 4.718 -25.602 1.00 23.44 ATOM 143 CA PHE F1631 2.898 4.328 -25.940 1.00 23.31 ATOM 144 C PHE F1631 3.883 5.233 -25.220 1.00 23.71 ATOM 145 O PHE F1631 4.825 4.757 -24.599 1.00 24.22 ATOM 146 CB PHE F1631 3.196 4.365 -27.453 1.00 21.92 ATOM 147 CG PHE F1631 4.692 4.284 -27.775 1.00 21.32 ATOM 148 CD1 PHE F1631 5.367 3.066 -27.719 1.00 19.80 ATOM 149 CD2 PHE F1631 5.419 5.430 -28.095 1.00 18.64 ATOM 150 CE1 PHE F1631 6.741 2.991 -27.991 1.00 20.96 ATOM 151 CE2 PHE F1631 6.806 5.357 -28.377 1.00 19.03 ATOM 152 CZ PHE F1631 7.451 4.143 -28.324 1.00 19.72 ATOM 153 N LYS F1632 3.656 6.538 -25.355 1.00 24.61 ATOM 154 CA LYS F1632 4.449 7.591 -24.745 1.00 25.85 ATOM 155 C LYS F1632 4.610 7.334 -23.246 1.00 26.66 ATOM 156 O LYS F1632 5.658 7.602 -22.678 1.00 27.12 ATOM 157 CB LYS F1632 3.753 8.940 -24.970 1.00 25.76 ATOM 158 CG LYS F1632 3.828 9.494 -26.396 1.00 25.36 ATOM 159 CD LYS F1632 4.776 10.682 -26.504 1.00 27.68 ATOM 160 CE LYS F1632 4.165 11.959 -25.936 1.00 27.41 ATOM 161 NZ LYS F1632 2.874 12.261 -26.603 1.00 25.34 ATOM 162 N LYS F1633 3.551 6.792 -22.645 1.00 27.93 ATOM 163 CA LYS F1633 3.467 6.488 -21.221 1.00 28.99 ATOM 164 C LYS F1633 4.257 5.247 -20.836 1.00 29.62 ATOM 165 O LYS F1633 4.986 5.261 -19.821 1.00 29.36 ATOM 166 CB LYS F1633 2.003 6.308 -20.822 1.00 29.20 ATOM 167 CG LYS F1633 1.234 7.619 -20.642 1.00 30.48 ATOM 168 CD LYS F1633 1.194 8.017 -19.165 1.00 30.50 ATOM 169 CE LYS F1633 -0.141 7.625 -18.568 1.00 30.32 ATOM 170 NZ LYS F1633 -0.012 7.016 -17.220 1.00 30.26 ATOM 171 N ARG F1634 4.114 4.172 -21.629 1.00 30.29 ATOM 172 CA ARG F1634 4.921 2.957 -21.400 1.00 31.35 ATOM 173 C ARG F1634 6.412 3.285 -21.422 1.00 31.41 ATOM 174 O ARG F1634 7.203 2.691 -20.670 1.00 31.51 ATOM 175 CB ARG F1634 4.580 1.853 -22.408 1.00 31.31 ATOM 176 CG ARG F1634 3.126 1.398 -22.338 1.00 32.51 ATOM 177 CD ARG F1634 2.857 0.161 -23.180 1.00 32.46 ATOM 178 NE ARG F1634 2.750 0.455 -24.608 1.00 33.60 ATOM 179 CZ ARG F1634 1.607 0.657 -25.256 1.00 34.05 ATOM 180 NH1 ARG F1634 0.441 0.605 -24.620 1.00 33.81 ATOM 181 NH2 ARG F1634 1.631 0.904 -26.553 1.00 34.37 ATOM 182 N LYS F1635 6.787 4.245 -22.268 1.00 31.65 ATOM 183 CA LYS F1635 8.144 4.805 -22.275 1.00 31.80 ATOM 184 C LYS F1635 8.554 5.325 -20.883 1.00 31.78 ATOM 185 O LYS F1635 9.621 4.944 -20.347 1.00 32.03 ATOM 186 CB LYS F1635 8.230 5.940 -23.305 1.00 32.01 ATOM 187 CG LYS F1635 8.212 5.491 -24.759 1.00 31.72 ATOM 188 CD LYS F1635 9.624 5.423 -25.337 1.00 30.55 ATOM 189 CE LYS F1635 10.330 4.126 -24.969 1.00 30.34 ATOM 190 NZ LYS F1635 11.749 4.162 -25.427 1.00 31.18 ATOM 191 N GLU F1636 7.703 6.194 -20.307 1.00 31.82 ATOM 192 CA GLU F1636 7.921 6.727 -18.950 1.00 31.82 ATOM 193 C GLU F1636 7.499 5.706 -17.884 1.00 31.76 ATOM 194 O GLU F1636 8.616 4.054 -17.855 1.00 31.50 ATOM 195 CB GLU F1636 7.161 8.050 -18.762 1.00 31.92 TER