HEADER FLUORESCENT PROTEIN 31-DEC-69 3EK4 TITLE Calcium-saturated GCaMP2 Monomer COMPND MOL_ID: 1; COMPND 2 MOLECULE: Myosin light chain kinase, Green fluorescent protein, COMPND 3 Calmodulin chimera; COMPND 4 CHAIN: A; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.65 ANGSTORMS DBREF 3EK4 A 1 61 PDB 3EK4 3EK4 1 61 DBREF 3EK4 A 62 151 UNP P42212 GFP_AEQVI 149 238 DBREF 3EK4 A 160 302 UNP P42212 GFP_AEQVI 2 144 DBREF 3EK4 A 305 451 UNP P0DP29 CALM1_RAT 3 149 MODRES 3EK4 CRO A 223 SER chromophore SEQRES 1 A 32 ASP SER GLU GLU GLU ILE ARG GLU ALA PHE ARG VAL PHE SEQRES 2 A 32 ASP LYS ASP GLY ASN GLY TYR ILE SER ALA ALA GLU LEU SEQRES 3 A 32 ARG HIS VAL MET THR ASN ATOM 1 N ASP A 383 -0.324 31.917 10.532 1.00 77.11 ATOM 2 CA ASP A 383 -1.229 32.632 11.429 1.00 77.75 ATOM 3 C ASP A 383 -2.659 32.133 11.241 1.00 78.33 ATOM 4 O ASP A 383 -2.986 31.552 10.203 1.00 78.37 ATOM 5 CB ASP A 383 -1.145 34.142 11.188 1.00 77.70 ATOM 6 CG ASP A 383 0.285 34.653 11.162 1.00 77.63 ATOM 7 OD1 ASP A 383 0.965 34.627 12.211 1.00 77.53 ATOM 8 OD2 ASP A 383 0.730 35.090 10.083 1.00 77.73 ATOM 9 N SER A 384 -3.504 32.348 12.248 1.00 79.14 ATOM 10 CA SER A 384 -4.920 31.989 12.152 1.00 79.99 ATOM 11 C SER A 384 -5.648 32.999 11.274 1.00 80.77 ATOM 12 O SER A 384 -5.043 33.965 10.800 1.00 80.78 ATOM 13 CB SER A 384 -5.565 31.919 13.541 1.00 79.89 ATOM 14 OG SER A 384 -5.573 33.186 14.172 1.00 79.40 ATOM 15 N GLU A 385 -6.941 32.777 11.051 1.00 81.79 ATOM 16 CA GLU A 385 -7.745 33.725 10.275 1.00 82.61 ATOM 17 C GLU A 385 -8.011 35.024 11.045 1.00 83.21 ATOM 18 O GLU A 385 -7.954 36.102 10.463 1.00 83.23 ATOM 19 CB GLU A 385 -9.038 33.085 9.748 1.00 82.57 ATOM 20 CG GLU A 385 -9.765 32.166 10.724 1.00 82.54 ATOM 21 CD GLU A 385 -10.528 31.052 10.015 1.00 82.53 ATOM 22 OE1 GLU A 385 -10.006 30.515 9.012 1.00 82.00 ATOM 23 OE2 GLU A 385 -11.642 30.705 10.467 1.00 82.30 ATOM 24 N GLU A 386 -8.260 34.914 12.350 1.00 84.01 ATOM 25 CA GLU A 386 -8.449 36.080 13.223 1.00 84.86 ATOM 26 C GLU A 386 -7.221 36.998 13.273 1.00 85.35 ATOM 27 O GLU A 386 -7.341 38.177 13.611 1.00 85.45 ATOM 28 CB GLU A 386 -8.814 35.640 14.648 1.00 84.99 ATOM 29 CG GLU A 386 -10.262 35.190 14.848 1.00 85.63 ATOM 30 CD GLU A 386 -10.604 33.896 14.112 1.00 86.94 ATOM 31 OE1 GLU A 386 -11.749 33.785 13.613 1.00 87.40 ATOM 32 OE2 GLU A 386 -9.735 32.994 14.024 1.00 87.07 ATOM 33 N GLU A 387 -6.050 36.452 12.946 1.00 85.93 ATOM 34 CA GLU A 387 -4.799 37.218 12.940 1.00 86.43 ATOM 35 C GLU A 387 -4.492 37.817 11.571 1.00 86.90 ATOM 36 O GLU A 387 -3.943 38.919 11.484 1.00 87.06 ATOM 37 CB GLU A 387 -3.625 36.358 13.412 1.00 86.25 ATOM 38 CG GLU A 387 -3.678 35.989 14.887 1.00 86.26 ATOM 39 CD GLU A 387 -2.890 34.732 15.204 1.00 86.20 ATOM 40 OE1 GLU A 387 -1.828 34.514 14.579 1.00 85.92 ATOM 41 OE2 GLU A 387 -3.339 33.959 16.080 1.00 85.87 ATOM 42 N ILE A 388 -4.833 37.089 10.509 1.00 87.42 ATOM 43 CA ILE A 388 -4.684 37.604 9.147 1.00 88.11 ATOM 44 C ILE A 388 -5.745 38.683 8.881 1.00 88.79 ATOM 45 O ILE A 388 -5.486 39.653 8.160 1.00 88.61 ATOM 46 CB ILE A 388 -4.706 36.471 8.082 1.00 88.00 ATOM 47 CG1 ILE A 388 -3.480 35.563 8.260 1.00 88.19 ATOM 48 CG2 ILE A 388 -4.721 37.050 6.670 1.00 87.92 ATOM 49 CD1 ILE A 388 -3.450 34.319 7.377 1.00 87.97 ATOM 50 N ARG A 389 -6.922 38.509 9.492 1.00 89.74 ATOM 51 CA ARG A 389 -7.999 39.511 9.489 1.00 90.66 ATOM 52 C ARG A 389 -7.480 40.897 9.880 1.00 91.25 ATOM 53 O ARG A 389 -7.617 41.861 9.117 1.00 91.35 ATOM 54 CB ARG A 389 -9.139 39.097 10.443 1.00 90.69 ATOM 55 CG ARG A 389 -10.194 38.152 9.842 1.00 91.13 ATOM 56 CD ARG A 389 -11.259 38.910 9.052 1.00 91.65 ATOM 57 NE ARG A 389 -11.856 38.105 7.983 1.00 91.89 ATOM 58 CZ ARG A 389 -11.364 37.993 6.748 1.00 91.73 ATOM 59 NH1 ARG A 389 -10.245 38.621 6.403 1.00 91.69 ATOM 60 NH2 ARG A 389 -11.989 37.242 5.852 1.00 91.43 ATOM 61 N GLU A 390 -6.876 40.974 11.067 1.00 91.90 ATOM 62 CA GLU A 390 -6.313 42.214 11.603 1.00 92.40 ATOM 63 C GLU A 390 -5.144 42.734 10.768 1.00 92.77 ATOM 64 O GLU A 390 -4.971 43.942 10.632 1.00 92.94 ATOM 65 CB GLU A 390 -5.884 42.015 13.055 1.00 92.32 ATOM 66 CG GLU A 390 -7.007 41.524 13.958 1.00 92.73 ATOM 67 CD GLU A 390 -6.637 41.545 15.429 1.00 93.44 ATOM 68 OE1 GLU A 390 -5.757 42.348 15.811 1.00 93.80 ATOM 69 OE2 GLU A 390 -7.232 40.764 16.206 1.00 93.52 ATOM 70 N ALA A 391 -4.356 41.819 10.206 1.00 93.24 ATOM 71 CA ALA A 391 -3.247 42.173 9.326 1.00 93.78 ATOM 72 C ALA A 391 -3.763 42.723 8.000 1.00 94.25 ATOM 73 O ALA A 391 -3.067 43.468 7.309 1.00 94.34 ATOM 74 CB ALA A 391 -2.358 40.965 9.089 1.00 93.75 ATOM 75 N PHE A 392 -4.989 42.344 7.657 1.00 94.83 ATOM 76 CA PHE A 392 -5.637 42.780 6.427 1.00 95.42 ATOM 77 C PHE A 392 -6.305 44.141 6.629 1.00 95.70 ATOM 78 O PHE A 392 -6.209 45.019 5.769 1.00 95.73 ATOM 79 CB PHE A 392 -6.668 41.732 5.995 1.00 95.52 ATOM 80 CG PHE A 392 -7.116 41.853 4.564 1.00 95.80 ATOM 81 CD1 PHE A 392 -6.350 41.311 3.530 1.00 95.90 ATOM 82 CD2 PHE A 392 -8.322 42.479 4.250 1.00 95.90 ATOM 83 CE1 PHE A 392 -6.770 41.407 2.199 1.00 95.97 ATOM 84 CE2 PHE A 392 -8.752 42.579 2.926 1.00 95.93 ATOM 85 CZ PHE A 392 -7.973 42.040 1.896 1.00 95.85 ATOM 86 N ARG A 393 -6.963 44.312 7.775 1.00 96.04 ATOM 87 CA ARG A 393 -7.703 45.540 8.079 1.00 96.42 ATOM 88 C ARG A 393 -6.806 46.725 8.474 1.00 96.58 ATOM 89 O ARG A 393 -7.295 47.759 8.940 1.00 96.57 ATOM 90 CB ARG A 393 -8.758 45.280 9.156 1.00 96.38 ATOM 91 CG ARG A 393 -9.952 44.447 8.688 1.00 96.59 ATOM 92 CD ARG A 393 -11.067 44.443 9.733 1.00 96.65 ATOM 93 NE ARG A 393 -10.572 44.108 11.071 1.00 97.17 ATOM 94 CZ ARG A 393 -10.650 42.903 11.633 1.00 97.08 ATOM 95 NH1 ARG A 393 -11.217 41.890 10.986 1.00 97.10 ATOM 96 NH2 ARG A 393 -10.163 42.712 12.851 1.00 96.71 ATOM 97 N VAL A 394 -5.498 46.565 8.285 1.00 96.81 ATOM 98 CA VAL A 394 -4.539 47.655 8.462 1.00 96.98 ATOM 99 C VAL A 394 -4.401 48.431 7.144 1.00 97.33 ATOM 100 O VAL A 394 -4.157 49.644 7.146 1.00 97.40 ATOM 101 CB VAL A 394 -3.168 47.124 8.976 1.00 96.92 ATOM 102 CG1 VAL A 394 -2.032 48.097 8.673 1.00 96.80 ATOM 103 CG2 VAL A 394 -3.237 46.823 10.473 1.00 96.38 ATOM 104 N PHE A 395 -4.580 47.720 6.029 1.00 97.60 ATOM 105 CA PHE A 395 -4.536 48.312 4.692 1.00 97.83 ATOM 106 C PHE A 395 -5.905 48.835 4.273 1.00 98.21 ATOM 107 O PHE A 395 -6.018 49.955 3.768 1.00 98.36 ATOM 108 CB PHE A 395 -4.042 47.293 3.670 1.00 97.66 ATOM 109 CG PHE A 395 -2.689 46.729 3.979 1.00 97.53 ATOM 110 CD1 PHE A 395 -1.545 47.306 3.440 1.00 97.27 ATOM 111 CD2 PHE A 395 -2.555 45.615 4.802 1.00 97.49 ATOM 112 CE1 PHE A 395 -0.286 46.786 3.718 1.00 97.03 ATOM 113 CE2 PHE A 395 -1.302 45.090 5.089 1.00 97.35 ATOM 114 CZ PHE A 395 -0.164 45.677 4.544 1.00 97.20 ATOM 115 N ASP A 396 -6.937 48.016 4.478 1.00 98.60 ATOM 116 CA ASP A 396 -8.318 48.415 4.208 1.00 98.86 ATOM 117 C ASP A 396 -8.809 49.345 5.316 1.00 99.02 ATOM 118 O ASP A 396 -9.159 48.892 6.413 1.00 98.90 ATOM 119 CB ASP A 396 -9.238 47.189 4.079 1.00 98.80 ATOM 120 CG ASP A 396 -10.385 47.412 3.099 1.00 98.91 ATOM 121 OD1 ASP A 396 -10.626 46.532 2.246 1.00 99.04 ATOM 122 OD2 ASP A 396 -11.046 48.469 3.165 1.00 98.85 ATOM 123 N LYS A 397 -8.814 50.645 5.018 1.00 99.29 ATOM 124 CA LYS A 397 -9.267 51.674 5.959 1.00 99.43 ATOM 125 C LYS A 397 -10.794 51.708 6.111 1.00 99.66 ATOM 126 O LYS A 397 -11.308 51.790 7.229 1.00 99.51 ATOM 127 CB LYS A 397 -8.728 53.057 5.556 1.00 99.34 ATOM 128 CG LYS A 397 -7.229 53.242 5.774 1.00 98.97 ATOM 129 CD LYS A 397 -6.867 53.099 7.245 1.00 98.47 ATOM 130 CE LYS A 397 -5.387 52.824 7.429 1.00 98.39 ATOM 131 NZ LYS A 397 -5.104 52.354 8.811 1.00 98.10 ATOM 132 N ASP A 398 -11.504 51.633 4.985 1.00 99.91 ATOM 133 CA ASP A 398 -12.970 51.649 4.976 1.00100.21 ATOM 134 C ASP A 398 -13.590 50.286 5.308 1.00100.28 ATOM 135 O ASP A 398 -14.765 50.209 5.677 1.00100.21 ATOM 136 CB ASP A 398 -13.495 52.175 3.634 1.00100.32 ATOM 137 CG ASP A 398 -12.808 51.531 2.441 1.00100.69 ATOM 138 OD1 ASP A 398 -12.215 52.270 1.628 1.00100.80 ATOM 139 OD2 ASP A 398 -12.847 50.288 2.321 1.00101.07 ATOM 140 N GLY A 399 -12.797 49.223 5.164 1.00100.46 ATOM 141 CA GLY A 399 -13.197 47.862 5.547 1.00100.66 ATOM 142 C GLY A 399 -14.394 47.311 4.790 1.00100.79 ATOM 143 O GLY A 399 -15.485 47.190 5.355 1.00100.78 ATOM 144 N ASN A 400 -14.186 46.963 3.520 1.00100.79 ATOM 145 CA ASN A 400 -15.276 46.527 2.639 1.00100.91 ATOM 146 C ASN A 400 -15.085 45.132 2.043 1.00101.02 ATOM 147 O ASN A 400 -15.978 44.614 1.362 1.00101.07 ATOM 148 CB ASN A 400 -15.472 47.536 1.503 1.00100.87 ATOM 149 CG ASN A 400 -14.232 47.689 0.640 1.00100.80 ATOM 150 OD1 ASN A 400 -13.104 47.668 1.141 1.00100.34 ATOM 151 ND2 ASN A 400 -14.433 47.849 -0.661 1.00100.66 ATOM 152 N GLY A 401 -13.920 44.537 2.295 1.00101.05 ATOM 153 CA GLY A 401 -13.569 43.240 1.721 1.00100.93 ATOM 154 C GLY A 401 -12.552 43.384 0.605 1.00100.89 ATOM 155 O GLY A 401 -11.620 42.588 0.501 1.00100.90 ATOM 156 N TYR A 402 -12.734 44.408 -0.227 1.00100.85 ATOM 157 CA TYR A 402 -11.827 44.686 -1.338 1.00100.79 ATOM 158 C TYR A 402 -10.898 45.855 -0.994 1.00100.80 ATOM 159 O TYR A 402 -11.364 46.944 -0.651 1.00100.85 ATOM 160 CB TYR A 402 -12.625 44.975 -2.618 1.00100.66 ATOM 161 CG TYR A 402 -13.427 43.792 -3.126 1.00100.69 ATOM 162 CD1 TYR A 402 -14.702 43.516 -2.623 1.00100.81 ATOM 163 CD2 TYR A 402 -12.912 42.946 -4.111 1.00100.73 ATOM 164 CE1 TYR A 402 -15.440 42.428 -3.084 1.00100.67 ATOM 165 CE2 TYR A 402 -13.643 41.856 -4.582 1.00100.61 ATOM 166 CZ TYR A 402 -14.904 41.605 -4.064 1.00100.69 ATOM 167 OH TYR A 402 -15.630 40.535 -4.525 1.00100.57 ATOM 168 N ILE A 403 -9.588 45.619 -1.071 1.00100.73 ATOM 169 CA ILE A 403 -8.588 46.660 -0.796 1.00100.61 ATOM 170 C ILE A 403 -8.236 47.430 -2.069 1.00100.44 ATOM 171 O ILE A 403 -7.922 46.825 -3.100 1.00100.28 ATOM 172 CB ILE A 403 -7.295 46.076 -0.141 1.00100.73 ATOM 173 CG1 ILE A 403 -7.565 45.693 1.317 1.00100.62 ATOM 174 CG2 ILE A 403 -6.119 47.069 -0.228 1.00100.67 ATOM 175 CD1 ILE A 403 -6.354 45.188 2.073 1.00100.58 ATOM 176 N SER A 404 -8.297 48.761 -1.986 1.00100.24 ATOM 177 CA SER A 404 -7.916 49.637 -3.100 1.00 99.96 ATOM 178 C SER A 404 -6.412 49.951 -3.080 1.00 99.80 ATOM 179 O SER A 404 -5.790 49.966 -2.013 1.00 99.82 ATOM 180 CB SER A 404 -8.754 50.925 -3.099 1.00 99.88 ATOM 181 OG SER A 404 -8.706 51.568 -1.840 1.00 99.52 ATOM 182 N ALA A 405 -5.845 50.192 -4.266 1.00 99.52 ATOM 183 CA ALA A 405 -4.418 50.500 -4.438 1.00 99.17 ATOM 184 C ALA A 405 -4.059 51.873 -3.881 1.00 99.03 ATOM 185 O ALA A 405 -2.881 52.238 -3.810 1.00 98.99 ATOM 186 CB ALA A 405 -4.031 50.407 -5.906 1.00 99.15 ATOM 187 N ALA A 406 -5.092 52.626 -3.504 1.00 98.91 ATOM 188 CA ALA A 406 -4.947 53.905 -2.810 1.00 98.72 ATOM 189 C ALA A 406 -4.783 53.689 -1.299 1.00 98.57 ATOM 190 O ALA A 406 -3.942 54.335 -0.665 1.00 98.58 ATOM 191 CB ALA A 406 -6.146 54.804 -3.104 1.00 98.70 ATOM 192 N GLU A 407 -5.589 52.778 -0.740 1.00 98.24 ATOM 193 CA GLU A 407 -5.486 52.346 0.659 1.00 97.86 ATOM 194 C GLU A 407 -4.114 51.769 0.967 1.00 97.79 ATOM 195 O GLU A 407 -3.642 51.820 2.106 1.00 97.78 ATOM 196 CB GLU A 407 -6.547 51.295 0.964 1.00 97.73 ATOM 197 CG GLU A 407 -7.884 51.866 1.366 1.00 97.40 ATOM 198 CD GLU A 407 -8.947 50.803 1.512 1.00 97.02 ATOM 199 OE1 GLU A 407 -9.806 50.944 2.408 1.00 96.36 ATOM 200 OE2 GLU A 407 -8.929 49.825 0.731 1.00 96.78 ATOM 201 N LEU A 408 -3.493 51.210 -0.068 1.00 97.71 ATOM 202 CA LEU A 408 -2.133 50.694 -0.005 1.00 97.65 ATOM 203 C LEU A 408 -1.127 51.835 0.201 1.00 97.57 ATOM 204 O LEU A 408 -0.398 51.837 1.198 1.00 97.58 ATOM 205 CB LEU A 408 -1.823 49.877 -1.276 1.00 97.74 ATOM 206 CG LEU A 408 -0.457 49.227 -1.554 1.00 97.69 ATOM 207 CD1 LEU A 408 -0.068 48.212 -0.483 1.00 97.59 ATOM 208 CD2 LEU A 408 -0.460 48.571 -2.932 1.00 97.47 ATOM 209 N ARG A 409 -1.120 52.804 -0.722 1.00 97.42 ATOM 210 CA ARG A 409 -0.190 53.953 -0.689 1.00 97.17 ATOM 211 C ARG A 409 -0.157 54.694 0.662 1.00 96.99 ATOM 212 O ARG A 409 0.916 55.097 1.126 1.00 96.90 ATOM 213 CB ARG A 409 -0.467 54.920 -1.859 1.00 97.11 ATOM 214 CG ARG A 409 0.285 56.265 -1.790 1.00 96.78 ATOM 215 CD ARG A 409 0.773 56.736 -3.156 1.00 95.94 ATOM 216 NE ARG A 409 -0.304 56.815 -4.140 1.00 95.24 ATOM 217 CZ ARG A 409 -0.130 56.708 -5.453 1.00 94.44 ATOM 218 NH1 ARG A 409 -1.173 56.792 -6.268 1.00 93.72 ATOM 219 NH2 ARG A 409 1.083 56.510 -5.951 1.00 94.17 ATOM 220 N HIS A 410 -1.327 54.858 1.280 1.00 96.74 ATOM 221 CA HIS A 410 -1.434 55.439 2.620 1.00 96.52 ATOM 222 C HIS A 410 -0.515 54.697 3.588 1.00 96.32 ATOM 223 O HIS A 410 0.371 55.305 4.203 1.00 96.33 ATOM 224 CB HIS A 410 -2.888 55.404 3.113 1.00 96.57 ATOM 225 CG HIS A 410 -3.070 55.943 4.498 1.00 96.66 ATOM 226 ND1 HIS A 410 -3.363 55.323 5.665 1.00 96.67 ATOM 227 CD2 HIS A 410 -2.949 57.284 4.798 1.00 96.75 ATOM 228 CE1 HIS A 410 -3.410 56.291 6.639 1.00 96.52 ATOM 229 NE2 HIS A 410 -3.158 57.465 6.089 1.00 96.58 ATOM 230 N VAL A 411 -0.723 53.381 3.687 1.00 95.98 ATOM 231 CA VAL A 411 0.092 52.494 4.524 1.00 95.54 ATOM 232 C VAL A 411 1.564 52.501 4.085 1.00 95.37 ATOM 233 O VAL A 411 2.464 52.610 4.920 1.00 95.33 ATOM 234 CB VAL A 411 -0.481 51.052 4.533 1.00 95.49 ATOM 235 CG1 VAL A 411 0.354 50.136 5.411 1.00 95.24 ATOM 236 CG2 VAL A 411 -1.929 51.057 5.009 1.00 95.22 ATOM 237 N MET A 412 1.789 52.406 2.775 1.00 95.21 ATOM 238 CA MET A 412 3.129 52.454 2.177 1.00 95.10 ATOM 239 C MET A 412 3.956 53.659 2.630 1.00 94.84 ATOM 240 O MET A 412 5.055 53.495 3.162 1.00 94.69 ATOM 241 CB MET A 412 3.029 52.457 0.644 1.00 95.33 ATOM 242 CG MET A 412 3.197 51.094 -0.036 1.00 95.81 ATOM 243 SD MET A 412 4.875 50.403 0.032 1.00 97.25 ATOM 244 CE MET A 412 5.904 51.801 -0.451 1.00 97.19 ATOM 245 N THR A 413 3.422 54.861 2.411 1.00 94.61 ATOM 246 CA THR A 413 4.134 56.103 2.724 1.00 94.33 ATOM 247 C THR A 413 4.522 56.114 4.190 1.00 94.04 ATOM 248 O THR A 413 5.685 56.340 4.535 1.00 93.87 ATOM 249 CB THR A 413 3.278 57.356 2.442 1.00 94.43 ATOM 250 OG1 THR A 413 2.188 57.027 1.572 1.00 94.33 ATOM 251 CG2 THR A 413 4.133 58.455 1.814 1.00 94.39 ATOM 252 N ASN A 414 3.524 55.860 5.033 1.00 93.73 ATOM 253 CA ASN A 414 3.683 55.759 6.472 1.00 93.42 ATOM 254 C ASN A 414 4.657 54.656 6.867 1.00 93.33 ATOM 255 O ASN A 414 5.869 54.866 6.902 1.00 93.20 ATOM 256 CB ASN A 414 2.321 55.493 7.107 1.00 93.37 ATOM 257 CG ASN A 414 1.381 56.681 7.004 1.00 93.12 ATOM 258 OD1 ASN A 414 0.188 56.451 6.471 1.00 93.34 ATOM 259 ND2 ASN A 414 1.717 57.788 7.417 1.00 92.46 ATOM 260 CA CA A 454 -11.382 49.033 0.256 1.00119.26 TER