HEADER HYDROLASE 17-MAY-10 3N23 TITLE Crystal structure of the high affinity complex between ouabain and TITLE 2 the E2P form of the sodium-potassium pump COMPND MOL_ID: 3; COMPND 2 MOLECULE: Na+/K+ ATPase gamma subunit transcript variant a; COMPND 3 CHAIN: G, E; COMPND 4 FRAGMENT: GAMMA chain (UNP RESIDUES ; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 4.60 ANGSTORMS DBREF 3N23 E 17 47 UNP Q58K79 Q58K79_PIG 17 47 SEQRES 1 E 31 ASP PRO PHE TYR TYR ASP TYR GLU THR VAL ARG ASN GLY SEQRES 2 E 31 GLY LEU ILE PHE ALA ALA LEU ALA PHE ILE VAL GLY LEU SEQRES 3 E 31 ILE ILE ILE LEU SER ATOM 1 N ASP E 17 -35.170 -58.683 25.250 1.00434.57 ATOM 2 CA ASP E 17 -35.911 -59.810 25.800 1.00434.57 ATOM 3 C ASP E 17 -36.343 -59.536 27.223 1.00434.57 ATOM 4 O ASP E 17 -35.832 -60.156 28.151 1.00434.57 ATOM 5 CB ASP E 17 -35.058 -61.074 25.771 1.00407.01 ATOM 6 CG ASP E 17 -34.841 -61.589 24.372 1.00407.01 ATOM 7 OD1 ASP E 17 -33.670 -61.755 23.980 1.00407.01 ATOM 8 OD2 ASP E 17 -35.841 -61.815 23.658 1.00407.01 ATOM 9 N PRO E 18 -37.296 -58.613 27.402 1.00297.43 ATOM 10 CA PRO E 18 -37.783 -58.317 28.747 1.00297.43 ATOM 11 C PRO E 18 -38.535 -59.503 29.342 1.00297.43 ATOM 12 O PRO E 18 -39.214 -59.335 30.352 1.00297.43 ATOM 13 CB PRO E 18 -38.726 -57.130 28.528 1.00304.02 ATOM 14 CG PRO E 18 -39.184 -57.275 27.136 1.00304.02 ATOM 15 CD PRO E 18 -38.012 -57.835 26.378 1.00304.02 ATOM 16 N PHE E 19 -38.418 -60.680 28.729 1.00235.19 ATOM 17 CA PHE E 19 -38.974 -61.902 29.312 1.00235.19 ATOM 18 C PHE E 19 -37.874 -62.740 29.913 1.00235.19 ATOM 19 O PHE E 19 -37.500 -63.771 29.365 1.00235.19 ATOM 20 CB PHE E 19 -39.693 -62.721 28.261 1.00240.89 ATOM 21 CG PHE E 19 -40.466 -61.898 27.333 1.00240.89 ATOM 22 CD1 PHE E 19 -39.884 -61.443 26.177 1.00240.89 ATOM 23 CD2 PHE E 19 -41.758 -61.522 27.638 1.00240.89 ATOM 24 CE1 PHE E 19 -40.586 -60.658 25.316 1.00240.89 ATOM 25 CE2 PHE E 19 -42.474 -60.731 26.782 1.00240.89 ATOM 26 CZ PHE E 19 -41.888 -60.297 25.616 1.00240.89 ATOM 27 N TYR E 20 -37.358 -62.289 31.046 1.00327.85 ATOM 28 CA TYR E 20 -36.245 -62.954 31.687 1.00327.85 ATOM 29 C TYR E 20 -36.132 -62.453 33.102 1.00327.85 ATOM 30 O TYR E 20 -36.314 -61.264 33.359 1.00327.85 ATOM 31 CB TYR E 20 -34.951 -62.623 30.961 1.00289.54 ATOM 32 CG TYR E 20 -33.997 -63.774 30.926 1.00289.54 ATOM 33 CD1 TYR E 20 -33.699 -64.408 29.729 1.00289.54 ATOM 34 CD2 TYR E 20 -33.413 -64.247 32.090 1.00289.54 ATOM 35 CE1 TYR E 20 -32.830 -65.473 29.686 1.00289.54 ATOM 36 CE2 TYR E 20 -32.544 -65.311 32.061 1.00289.54 ATOM 37 CZ TYR E 20 -32.254 -65.923 30.856 1.00289.54 ATOM 38 OH TYR E 20 -31.386 -66.991 30.815 1.00289.54 ATOM 39 N TYR E 21 -35.833 -63.351 34.029 1.00232.83 ATOM 40 CA TYR E 21 -35.525 -62.906 35.380 1.00232.83 ATOM 41 C TYR E 21 -34.138 -63.368 35.779 1.00232.83 ATOM 42 O TYR E 21 -33.641 -64.377 35.277 1.00232.83 ATOM 43 CB TYR E 21 -36.569 -63.377 36.403 1.00235.72 ATOM 44 CG TYR E 21 -36.605 -62.547 37.685 1.00235.72 ATOM 45 CD1 TYR E 21 -37.191 -61.283 37.703 1.00235.72 ATOM 46 CD2 TYR E 21 -36.066 -63.027 38.871 1.00235.72 ATOM 47 CE1 TYR E 21 -37.232 -60.519 38.863 1.00235.72 ATOM 48 CE2 TYR E 21 -36.104 -62.263 40.039 1.00235.72 ATOM 49 CZ TYR E 21 -36.691 -61.008 40.023 1.00235.72 ATOM 50 OH TYR E 21 -36.746 -60.223 41.155 1.00235.72 ATOM 51 N ASP E 22 -33.512 -62.602 36.667 1.00322.43 ATOM 52 CA ASP E 22 -32.247 -62.995 37.263 1.00322.43 ATOM 53 C ASP E 22 -32.568 -63.741 38.548 1.00322.43 ATOM 54 O ASP E 22 -32.113 -63.375 39.631 1.00322.43 ATOM 55 CB ASP E 22 -31.355 -61.782 37.537 1.00308.87 ATOM 56 CG ASP E 22 -29.879 -62.134 37.542 1.00308.87 ATOM 57 OD1 ASP E 22 -29.555 -63.339 37.541 1.00308.87 ATOM 58 OD2 ASP E 22 -29.044 -61.205 37.548 1.00308.87 ATOM 59 N TYR E 23 -33.394 -64.773 38.411 1.00183.64 ATOM 60 CA TYR E 23 -33.670 -65.700 39.495 1.00183.64 ATOM 61 C TYR E 23 -32.371 -66.268 40.052 1.00183.64 ATOM 62 O TYR E 23 -32.227 -66.423 41.260 1.00183.64 ATOM 63 CB TYR E 23 -34.558 -66.852 39.012 1.00232.97 ATOM 64 CG TYR E 23 -36.032 -66.527 38.917 1.00232.97 ATOM 65 CD1 TYR E 23 -36.652 -66.366 37.689 1.00232.97 ATOM 66 CD2 TYR E 23 -36.805 -66.393 40.055 1.00232.97 ATOM 67 CE1 TYR E 23 -38.005 -66.073 37.601 1.00232.97 ATOM 68 CE2 TYR E 23 -38.155 -66.101 39.977 1.00232.97 ATOM 69 CZ TYR E 23 -38.750 -65.941 38.749 1.00232.97 ATOM 70 OH TYR E 23 -40.095 -65.650 38.672 1.00232.97 ATOM 71 N GLU E 24 -31.420 -66.582 39.178 1.00327.62 ATOM 72 CA GLU E 24 -30.188 -67.221 39.633 1.00327.62 ATOM 73 C GLU E 24 -29.453 -66.373 40.671 1.00327.62 ATOM 74 O GLU E 24 -28.676 -66.900 41.463 1.00327.62 ATOM 75 CB GLU E 24 -29.253 -67.550 38.462 1.00300.90 ATOM 76 CG GLU E 24 -27.977 -68.289 38.883 1.00300.90 ATOM 77 CD GLU E 24 -27.070 -68.659 37.716 1.00300.90 ATOM 78 OE1 GLU E 24 -27.402 -68.313 36.560 1.00300.90 ATOM 79 OE2 GLU E 24 -26.014 -69.288 37.961 1.00300.90 ATOM 80 N THR E 25 -29.708 -65.066 40.672 1.00230.03 ATOM 81 CA THR E 25 -29.007 -64.158 41.580 1.00230.03 ATOM 82 C THR E 25 -29.774 -63.824 42.868 1.00230.03 ATOM 83 O THR E 25 -29.175 -63.407 43.859 1.00230.03 ATOM 84 CB THR E 25 -28.608 -62.845 40.888 1.00276.86 ATOM 85 OG1 THR E 25 -27.708 -62.119 41.736 1.00276.86 ATOM 86 CG2 THR E 25 -29.838 -61.995 40.631 1.00276.86 ATOM 87 N VAL E 26 -31.091 -63.990 42.856 1.00185.76 ATOM 88 CA VAL E 26 -31.862 -63.838 44.080 1.00185.76 ATOM 89 C VAL E 26 -31.815 -65.144 44.863 1.00185.76 ATOM 90 O VAL E 26 -31.843 -65.131 46.085 1.00185.76 ATOM 91 CB VAL E 26 -33.310 -63.393 43.807 1.00165.56 ATOM 92 CG1 VAL E 26 -34.175 -63.595 45.031 1.00165.56 ATOM 93 CG2 VAL E 26 -33.338 -61.936 43.390 1.00165.56 ATOM 94 N ARG E 27 -31.714 -66.269 44.161 1.00257.62 ATOM 95 CA ARG E 27 -31.486 -67.540 44.832 1.00257.62 ATOM 96 C ARG E 27 -30.133 -67.476 45.521 1.00257.62 ATOM 97 O ARG E 27 -30.012 -67.792 46.704 1.00257.62 ATOM 98 CB ARG E 27 -31.533 -68.707 43.844 1.00306.96 ATOM 99 CG ARG E 27 -32.480 -69.818 44.263 1.00306.96 ATOM 100 CD ARG E 27 -32.634 -70.863 43.177 1.00306.96 ATOM 101 NE ARG E 27 -33.825 -71.680 43.384 1.00306.96 ATOM 102 CZ ARG E 27 -34.349 -72.476 42.459 1.00306.96 ATOM 103 NH1 ARG E 27 -33.787 -72.558 41.260 1.00306.96 ATOM 104 NH2 ARG E 27 -35.436 -73.185 42.731 1.00306.96 ATOM 105 N ASN E 28 -29.119 -67.044 44.778 1.00192.06 ATOM 106 CA ASN E 28 -27.785 -66.865 45.336 1.00192.06 ATOM 107 C ASN E 28 -27.742 -65.728 46.349 1.00192.06 ATOM 108 O ASN E 28 -26.766 -65.595 47.080 1.00192.06 ATOM 109 CB ASN E 28 -26.762 -66.595 44.228 1.00338.16 ATOM 110 CG ASN E 28 -26.603 -67.767 43.274 1.00338.16 ATOM 111 OD1 ASN E 28 -27.012 -68.889 43.572 1.00338.16 ATOM 112 ND2 ASN E 28 -26.003 -67.507 42.116 1.00338.16 ATOM 113 N GLY E 29 -28.798 -64.915 46.383 1.00248.57 ATOM 114 CA GLY E 29 -28.839 -63.735 47.232 1.00248.57 ATOM 115 C GLY E 29 -29.695 -63.902 48.471 1.00248.57 ATOM 116 O GLY E 29 -29.505 -63.211 49.472 1.00248.57 ATOM 117 N GLY E 30 -30.656 -64.811 48.395 1.00211.05 ATOM 118 CA GLY E 30 -31.435 -65.168 49.557 1.00211.05 ATOM 119 C GLY E 30 -30.645 -66.173 50.363 1.00211.05 ATOM 120 O GLY E 30 -30.494 -66.021 51.568 1.00211.05 ATOM 121 N LEU E 31 -30.123 -67.196 49.693 1.00251.23 ATOM 122 CA LEU E 31 -29.348 -68.224 50.373 1.00251.23 ATOM 123 C LEU E 31 -28.160 -67.640 51.121 1.00251.23 ATOM 124 O LEU E 31 -27.505 -68.336 51.891 1.00251.23 ATOM 125 CB LEU E 31 -28.865 -69.283 49.385 1.00266.04 ATOM 126 CG LEU E 31 -29.893 -70.349 49.013 1.00266.04 ATOM 127 CD1 LEU E 31 -29.328 -71.325 47.990 1.00266.04 ATOM 128 CD2 LEU E 31 -30.375 -71.094 50.247 1.00266.04 ATOM 129 N ILE E 32 -27.879 -66.365 50.889 1.00230.40 ATOM 130 CA ILE E 32 -26.774 -65.711 51.568 1.00230.40 ATOM 131 C ILE E 32 -27.229 -64.969 52.813 1.00230.40 ATOM 132 O ILE E 32 -26.422 -64.683 53.692 1.00230.40 ATOM 133 CB ILE E 32 -26.022 -64.767 50.629 1.00232.68 ATOM 134 CG1 ILE E 32 -24.759 -65.457 50.120 1.00232.68 ATOM 135 CG2 ILE E 32 -25.650 -63.486 51.337 1.00232.68 ATOM 136 CD1 ILE E 32 -24.134 -64.774 48.924 1.00232.68 ATOM 137 N PHE E 33 -28.525 -64.686 52.899 1.00155.59 ATOM 138 CA PHE E 33 -29.085 -63.935 54.029 1.00155.59 ATOM 139 C PHE E 33 -29.904 -64.798 54.988 1.00155.59 ATOM 140 O PHE E 33 -30.249 -64.356 56.083 1.00155.59 ATOM 141 CB PHE E 33 -29.972 -62.803 53.514 1.00356.13 ATOM 142 CG PHE E 33 -29.277 -61.467 53.397 1.00356.13 ATOM 143 CD1 PHE E 33 -28.515 -61.154 52.278 1.00356.13 ATOM 144 CD2 PHE E 33 -29.423 -60.509 54.389 1.00356.13 ATOM 145 CE1 PHE E 33 -27.894 -59.914 52.161 1.00356.13 ATOM 146 CE2 PHE E 33 -28.806 -59.271 54.278 1.00356.13 ATOM 147 CZ PHE E 33 -28.041 -58.973 53.162 1.00356.13 ATOM 148 N ALA E 34 -30.252 -66.004 54.552 1.00255.84 ATOM 149 CA ALA E 34 -30.932 -66.955 55.413 1.00255.84 ATOM 150 C ALA E 34 -29.857 -67.764 56.102 1.00255.84 ATOM 151 O ALA E 34 -30.123 -68.483 57.057 1.00255.84 ATOM 152 CB ALA E 34 -31.836 -67.858 54.607 1.00306.56 ATOM 153 N ALA E 35 -28.637 -67.646 55.589 1.00226.69 ATOM 154 CA ALA E 35 -27.479 -68.263 56.210 1.00226.69 ATOM 155 C ALA E 35 -26.770 -67.246 57.103 1.00226.69 ATOM 156 O ALA E 35 -25.751 -67.549 57.720 1.00226.69 ATOM 157 CB ALA E 35 -26.532 -68.801 55.151 1.00440.95 ATOM 158 N LEU E 36 -27.309 -66.034 57.170 1.00213.99 ATOM 159 CA LEU E 36 -26.753 -65.025 58.059 1.00213.99 ATOM 160 C LEU E 36 -27.557 -64.884 59.342 1.00213.99 ATOM 161 O LEU E 36 -26.989 -64.669 60.409 1.00213.99 ATOM 162 CB LEU E 36 -26.623 -63.679 57.357 1.00184.27 ATOM 163 CG LEU E 36 -25.304 -63.482 56.614 1.00184.27 ATOM 164 CD1 LEU E 36 -25.026 -61.998 56.401 1.00184.27 ATOM 165 CD2 LEU E 36 -24.161 -64.140 57.370 1.00184.27 ATOM 166 N ALA E 37 -28.876 -65.001 59.241 1.00184.15 ATOM 167 CA ALA E 37 -29.712 -65.022 60.434 1.00184.15 ATOM 168 C ALA E 37 -29.532 -66.350 61.162 1.00184.15 ATOM 169 O ALA E 37 -29.622 -66.408 62.387 1.00184.15 ATOM 170 CB ALA E 37 -31.166 -64.803 60.075 1.00229.45 ATOM 171 N PHE E 38 -29.278 -67.410 60.391 1.00193.87 ATOM 172 CA PHE E 38 -29.021 -68.755 60.921 1.00193.87 ATOM 173 C PHE E 38 -27.829 -68.722 61.862 1.00193.87 ATOM 174 O PHE E 38 -27.706 -69.571 62.746 1.00193.87 ATOM 175 CB PHE E 38 -28.693 -69.727 59.776 1.00292.19 ATOM 176 CG PHE E 38 -28.339 -71.134 60.217 1.00292.19 ATOM 177 CD1 PHE E 38 -29.344 -72.038 60.555 1.00292.19 ATOM 178 CD2 PHE E 38 -27.021 -71.559 60.266 1.00292.19 ATOM 179 CE1 PHE E 38 -29.043 -73.333 60.949 1.00292.19 ATOM 180 CE2 PHE E 38 -26.712 -72.852 60.660 1.00292.19 ATOM 181 CZ PHE E 38 -27.727 -73.741 61.003 1.00292.19 ATOM 182 N ILE E 39 -26.940 -67.752 61.638 1.00267.81 ATOM 183 CA ILE E 39 -25.715 -67.607 62.422 1.00267.81 ATOM 184 C ILE E 39 -25.779 -66.416 63.365 1.00267.81 ATOM 185 O ILE E 39 -25.065 -66.376 64.361 1.00267.81 ATOM 186 CB ILE E 39 -24.453 -67.456 61.536 1.00204.46 ATOM 187 CG1 ILE E 39 -24.380 -66.060 60.912 1.00204.46 ATOM 188 CG2 ILE E 39 -24.401 -68.549 60.475 1.00204.46 ATOM 189 CD1 ILE E 39 -23.126 -65.829 60.095 1.00204.46 ATOM 190 N VAL E 40 -26.620 -65.440 63.047 1.00158.41 ATOM 191 CA VAL E 40 -26.870 -64.349 63.978 1.00158.41 ATOM 192 C VAL E 40 -27.592 -64.883 65.207 1.00158.41 ATOM 193 O VAL E 40 -27.276 -64.526 66.349 1.00158.41 ATOM 194 CB VAL E 40 -27.748 -63.263 63.356 1.00205.47 ATOM 195 CG1 VAL E 40 -28.163 -62.248 64.412 1.00205.47 ATOM 196 CG2 VAL E 40 -27.016 -62.586 62.222 1.00205.47 ATOM 197 N GLY E 41 -28.577 -65.739 64.960 1.00195.16 ATOM 198 CA GLY E 41 -29.350 -66.349 66.024 1.00195.16 ATOM 199 C GLY E 41 -28.526 -67.340 66.819 1.00195.16 ATOM 200 O GLY E 41 -28.846 -67.618 67.968 1.00195.16 ATOM 201 N LEU E 42 -27.475 -67.878 66.202 1.00239.98 ATOM 202 CA LEU E 42 -26.531 -68.735 66.907 1.00239.98 ATOM 203 C LEU E 42 -25.592 -67.885 67.767 1.00239.98 ATOM 204 O LEU E 42 -24.896 -68.412 68.633 1.00239.98 ATOM 205 CB LEU E 42 -25.729 -69.601 65.925 1.00289.13 ATOM 206 CG LEU E 42 -26.345 -70.926 65.456 1.00289.13 ATOM 207 CD1 LEU E 42 -25.562 -71.518 64.286 1.00289.13 ATOM 208 CD2 LEU E 42 -26.432 -71.921 66.607 1.00289.13 ATOM 209 N ILE E 43 -25.580 -66.571 67.526 1.00239.90 ATOM 210 CA ILE E 43 -24.751 -65.639 68.299 1.00239.90 ATOM 211 C ILE E 43 -25.473 -65.195 69.547 1.00239.90 ATOM 212 O ILE E 43 -24.858 -64.834 70.545 1.00239.90 ATOM 213 CB ILE E 43 -24.422 -64.366 67.513 1.00180.82 ATOM 214 CG1 ILE E 43 -23.692 -64.721 66.217 1.00180.82 ATOM 215 CG2 ILE E 43 -23.599 -63.407 68.367 1.00180.82 ATOM 216 CD1 ILE E 43 -22.597 -65.766 66.385 1.00180.82 ATOM 217 N ILE E 44 -26.792 -65.227 69.477 1.00175.91 ATOM 218 CA ILE E 44 -27.632 -64.756 70.560 1.00175.91 ATOM 219 C ILE E 44 -28.079 -65.899 71.493 1.00175.91 ATOM 220 O ILE E 44 -28.300 -65.701 72.692 1.00175.91 ATOM 221 CB ILE E 44 -28.832 -64.001 69.966 1.00182.61 ATOM 222 CG1 ILE E 44 -28.348 -63.048 68.877 1.00182.61 ATOM 223 CG2 ILE E 44 -29.583 -63.238 71.032 1.00182.61 ATOM 224 CD1 ILE E 44 -29.361 -62.827 67.816 1.00182.61 ATOM 225 N ILE E 45 -28.212 -67.097 70.939 1.00218.42 ATOM 226 CA ILE E 45 -28.490 -68.247 71.775 1.00218.42 ATOM 227 C ILE E 45 -27.230 -68.641 72.514 1.00218.42 ATOM 228 O ILE E 45 -27.276 -68.846 73.711 1.00218.42 ATOM 229 CB ILE E 45 -29.034 -69.467 70.999 1.00347.88 ATOM 230 CG1 ILE E 45 -28.233 -69.714 69.719 1.00347.88 ATOM 231 CG2 ILE E 45 -30.513 -69.297 70.716 1.00347.88 ATOM 232 CD1 ILE E 45 -28.702 -70.924 68.927 1.00347.88 ATOM 233 N LEU E 46 -26.105 -68.750 71.812 1.00266.76 ATOM 234 CA LEU E 46 -24.862 -69.178 72.456 1.00266.76 ATOM 235 C LEU E 46 -24.087 -68.008 73.093 1.00266.76 ATOM 236 O LEU E 46 -22.859 -67.950 73.034 1.00266.76 ATOM 237 CB LEU E 46 -23.973 -69.982 71.487 1.00278.38 ATOM 238 CG LEU E 46 -24.312 -71.450 71.150 1.00278.38 ATOM 239 CD1 LEU E 46 -23.435 -71.976 70.016 1.00278.38 ATOM 240 CD2 LEU E 46 -24.199 -72.370 72.365 1.00278.38 ATOM 241 N SER E 47 -24.815 -67.081 73.707 1.00256.48 ATOM 242 CA SER E 47 -24.201 -65.998 74.476 1.00256.48 ATOM 243 C SER E 47 -24.316 -66.202 75.999 1.00256.48 ATOM 244 O SER E 47 -24.793 -65.329 76.732 1.00256.48 ATOM 245 CB SER E 47 -24.821 -64.668 74.067 1.00205.83 ATOM 246 OG SER E 47 -26.216 -64.818 73.865 1.00205.83 TER