HEADER VIRAL PROTEIN 31-DEC-69 4XC5 TITLE CRYSTAL STRUCTURE OF THE T1L REOVIRUS ATTACHMENT PROTEIN SIGMA1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: Outer capsid protein sigma-1; COMPND 3 CHAIN: A, B, C; COMPND 4 FRAGMENT: UNP residues ; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 1; COMPND 7 Outer capsid protein sigma-1; COMPND 8 CHAIN: A, B, C; COMPND 9 UNP residues ; COMPND 10 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.20 ANGSTORMS DBREF 4XC5 A 308 470 UNP P04506 SIGM1_REOVL 308 470 DBREF 4XC5 B 308 470 UNP P04506 SIGM1_REOVL 308 470 SEQRES 1 B 22 LEU PRO THR TYR ARG TYR PRO LEU GLU LEU ASP THR ALA SEQRES 2 B 22 ASN ASN ARG VAL GLN VAL ALA ASP ARG ATOM 1 N LEU B 308 6.103 1.720 -1.125 1.00 61.83 ATOM 2 CA LEU B 308 6.680 2.053 0.186 1.00 59.81 ATOM 3 C LEU B 308 8.049 2.747 0.117 1.00 57.91 ATOM 4 O LEU B 308 8.961 2.248 -0.551 1.00 57.37 ATOM 5 CB LEU B 308 6.726 0.831 1.119 1.00 60.10 ATOM 6 N PRO B 309 8.202 3.911 0.803 1.00 49.95 ATOM 7 CA PRO B 309 9.490 4.627 0.759 1.00 47.09 ATOM 8 C PRO B 309 10.580 3.982 1.594 1.00 43.51 ATOM 9 O PRO B 309 10.287 3.129 2.432 1.00 42.48 ATOM 10 CB PRO B 309 9.139 5.992 1.333 1.00 49.27 ATOM 11 CG PRO B 309 8.023 5.716 2.272 1.00 54.71 ATOM 12 CD PRO B 309 7.214 4.634 1.633 1.00 50.70 ATOM 13 N THR B 310 11.835 4.375 1.347 1.00 34.93 ATOM 14 CA THR B 310 12.969 3.991 2.175 1.00 34.03 ATOM 15 C THR B 310 13.198 5.172 3.146 1.00 36.42 ATOM 16 O THR B 310 12.467 6.155 3.087 1.00 34.80 ATOM 17 CB THR B 310 14.198 3.544 1.393 1.00 44.09 ATOM 18 OG1 THR B 310 14.750 4.649 0.692 1.00 51.04 ATOM 19 CG2 THR B 310 13.916 2.345 0.466 1.00 44.11 ATOM 20 N TYR B 311 14.164 5.060 4.061 1.00 33.79 ATOM 21 CA TYR B 311 14.390 6.075 5.097 1.00 32.96 ATOM 22 C TYR B 311 15.849 6.415 5.162 1.00 38.81 ATOM 23 O TYR B 311 16.678 5.523 5.090 1.00 41.93 ATOM 24 CB TYR B 311 13.872 5.558 6.459 1.00 31.89 ATOM 25 CG TYR B 311 12.395 5.242 6.439 1.00 30.46 ATOM 26 CD1 TYR B 311 11.929 4.001 5.998 1.00 31.10 ATOM 27 CD2 TYR B 311 11.456 6.208 6.769 1.00 30.59 ATOM 28 CE1 TYR B 311 10.560 3.736 5.900 1.00 29.59 ATOM 29 CE2 TYR B 311 10.092 5.963 6.655 1.00 30.99 ATOM 30 CZ TYR B 311 9.646 4.723 6.233 1.00 34.72 ATOM 31 OH TYR B 311 8.293 4.491 6.164 1.00 33.95 ATOM 32 N ARG B 312 16.169 7.693 5.259 1.00 33.18 ATOM 33 CA ARG B 312 17.559 8.136 5.331 1.00 32.75 ATOM 34 C ARG B 312 17.882 8.506 6.783 1.00 35.44 ATOM 35 O ARG B 312 17.090 9.193 7.446 1.00 32.75 ATOM 36 CB ARG B 312 17.791 9.346 4.390 1.00 31.65 ATOM 37 CG ARG B 312 19.205 9.919 4.423 1.00 36.78 ATOM 38 CD ARG B 312 19.349 11.172 3.571 1.00 46.43 ATOM 39 NE ARG B 312 18.832 12.357 4.258 1.00 64.49 ATOM 40 CZ ARG B 312 18.953 13.606 3.814 1.00 77.87 ATOM 41 NH1 ARG B 312 19.589 13.856 2.673 1.00 60.88 ATOM 42 NH2 ARG B 312 18.438 14.617 4.506 1.00 58.46 ATOM 43 N TYR B 313 19.073 8.077 7.251 1.00 32.36 ATOM 44 CA TYR B 313 19.629 8.341 8.570 1.00 32.67 ATOM 45 C TYR B 313 19.456 9.834 8.915 1.00 36.37 ATOM 46 O TYR B 313 19.687 10.658 8.036 1.00 37.35 ATOM 47 CB TYR B 313 21.127 7.940 8.592 1.00 35.47 ATOM 48 CG TYR B 313 21.731 8.114 9.962 1.00 39.11 ATOM 49 CD1 TYR B 313 21.596 7.126 10.935 1.00 42.31 ATOM 50 CD2 TYR B 313 22.303 9.327 10.341 1.00 39.97 ATOM 51 CE1 TYR B 313 22.039 7.333 12.242 1.00 44.58 ATOM 52 CE2 TYR B 313 22.736 9.547 11.644 1.00 41.20 ATOM 53 CZ TYR B 313 22.620 8.542 12.586 1.00 49.89 ATOM 54 OH TYR B 313 23.093 8.754 13.855 1.00 52.73 ATOM 55 N PRO B 314 18.992 10.249 10.119 1.00 33.43 ATOM 56 CA PRO B 314 18.708 9.461 11.349 1.00 33.37 ATOM 57 C PRO B 314 17.414 8.634 11.384 1.00 36.91 ATOM 58 O PRO B 314 17.223 7.854 12.311 1.00 37.39 ATOM 59 CB PRO B 314 18.779 10.519 12.457 1.00 34.97 ATOM 60 CG PRO B 314 18.310 11.785 11.782 1.00 39.51 ATOM 61 CD PRO B 314 18.827 11.703 10.360 1.00 34.80 ATOM 62 N LEU B 315 16.552 8.760 10.376 1.00 32.29 ATOM 63 CA LEU B 315 15.331 7.928 10.328 1.00 31.87 ATOM 64 C LEU B 315 15.731 6.526 9.916 1.00 35.08 ATOM 65 O LEU B 315 16.616 6.359 9.094 1.00 32.37 ATOM 66 CB LEU B 315 14.296 8.471 9.323 1.00 31.17 ATOM 67 CG LEU B 315 13.929 9.959 9.414 1.00 34.10 ATOM 68 CD1 LEU B 315 12.870 10.305 8.414 1.00 32.34 ATOM 69 CD2 LEU B 315 13.494 10.369 10.833 1.00 36.72 ATOM 70 N GLU B 316 15.066 5.532 10.460 1.00 33.66 ATOM 71 CA GLU B 316 15.345 4.149 10.123 1.00 34.53 ATOM 72 C GLU B 316 14.118 3.298 10.322 1.00 37.38 ATOM 73 O GLU B 316 13.271 3.628 11.158 1.00 35.86 ATOM 74 CB GLU B 316 16.489 3.585 10.986 1.00 36.52 ATOM 75 CG GLU B 316 16.253 3.653 12.482 1.00 48.13 ATOM 76 CD GLU B 316 17.318 2.981 13.325 1.00 71.63 ATOM 77 OE1 GLU B 316 18.510 3.001 12.939 1.00 62.17 ATOM 78 OE2 GLU B 316 16.952 2.454 14.399 1.00 65.55 ATOM 79 N LEU B 317 14.020 2.203 9.549 1.00 32.54 ATOM 80 CA LEU B 317 12.915 1.279 9.721 1.00 32.50 ATOM 81 C LEU B 317 13.412 0.075 10.556 1.00 35.84 ATOM 82 O LEU B 317 14.380 -0.563 10.174 1.00 36.90 ATOM 83 CB LEU B 317 12.366 0.838 8.344 1.00 32.09 ATOM 84 CG LEU B 317 11.238 -0.234 8.334 1.00 35.70 ATOM 85 CD1 LEU B 317 9.931 0.329 8.827 1.00 34.95 ATOM 86 CD2 LEU B 317 11.044 -0.839 6.932 1.00 35.74 ATOM 87 N ASP B 318 12.793 -0.195 11.708 1.00 32.41 ATOM 88 CA ASP B 318 13.106 -1.385 12.519 1.00 31.30 ATOM 89 C ASP B 318 12.234 -2.491 11.870 1.00 35.12 ATOM 90 O ASP B 318 11.017 -2.517 12.073 1.00 34.93 ATOM 91 CB ASP B 318 12.731 -1.111 13.978 1.00 33.82 ATOM 92 CG ASP B 318 12.588 -2.298 14.932 1.00 48.36 ATOM 93 OD1 ASP B 318 12.606 -3.454 14.461 1.00 50.15 ATOM 94 OD2 ASP B 318 12.401 -2.063 16.145 1.00 52.94 ATOM 95 N THR B 319 12.843 -3.346 11.035 1.00 31.43 ATOM 96 CA THR B 319 12.123 -4.380 10.281 1.00 33.84 ATOM 97 C THR B 319 11.459 -5.459 11.151 1.00 43.37 ATOM 98 O THR B 319 10.410 -5.966 10.756 1.00 46.08 ATOM 99 CB THR B 319 12.987 -4.963 9.143 1.00 42.92 ATOM 100 OG1 THR B 319 14.179 -5.466 9.712 1.00 45.31 ATOM 101 CG2 THR B 319 13.374 -3.920 8.089 1.00 41.50 ATOM 102 N ALA B 320 12.034 -5.776 12.334 1.00 39.47 ATOM 103 CA ALA B 320 11.503 -6.786 13.266 1.00 39.41 ATOM 104 C ALA B 320 10.123 -6.429 13.761 1.00 45.10 ATOM 105 O ALA B 320 9.264 -7.298 13.827 1.00 46.18 ATOM 106 CB ALA B 320 12.439 -6.970 14.451 1.00 39.75 ATOM 107 N ASN B 321 9.896 -5.145 14.072 1.00 41.25 ATOM 108 CA ASN B 321 8.608 -4.660 14.561 1.00 39.32 ATOM 109 C ASN B 321 7.862 -3.803 13.535 1.00 41.69 ATOM 110 O ASN B 321 6.809 -3.281 13.876 1.00 41.21 ATOM 111 CB ASN B 321 8.828 -3.877 15.855 1.00 37.33 ATOM 112 CG ASN B 321 9.674 -4.634 16.847 1.00 52.46 ATOM 113 OD1 ASN B 321 9.217 -5.574 17.483 1.00 47.29 ATOM 114 ND2 ASN B 321 10.938 -4.272 16.977 1.00 45.77 ATOM 115 N ASN B 322 8.392 -3.661 12.277 1.00 38.37 ATOM 116 CA ASN B 322 7.846 -2.811 11.187 1.00 36.92 ATOM 117 C ASN B 322 7.529 -1.409 11.764 1.00 40.24 ATOM 118 O ASN B 322 6.380 -0.970 11.814 1.00 39.87 ATOM 119 CB ASN B 322 6.616 -3.470 10.507 1.00 34.79 ATOM 120 CG ASN B 322 6.145 -2.771 9.252 1.00 47.24 ATOM 121 OD1 ASN B 322 6.920 -2.217 8.469 1.00 46.13 ATOM 122 ND2 ASN B 322 4.854 -2.729 9.058 1.00 46.97 ATOM 123 N ARG B 323 8.548 -0.768 12.317 1.00 36.47 ATOM 124 CA ARG B 323 8.360 0.515 12.993 1.00 35.61 ATOM 125 C ARG B 323 9.432 1.487 12.571 1.00 36.70 ATOM 126 O ARG B 323 10.617 1.148 12.580 1.00 37.33 ATOM 127 CB ARG B 323 8.425 0.293 14.503 1.00 35.62 ATOM 128 CG ARG B 323 7.900 1.442 15.363 1.00 47.83 ATOM 129 CD ARG B 323 7.972 1.050 16.825 1.00 57.54 ATOM 130 NE ARG B 323 9.311 0.570 17.181 1.00 73.38 ATOM 131 CZ ARG B 323 9.597 -0.128 18.275 1.00 90.24 ATOM 132 NH1 ARG B 323 8.643 -0.432 19.147 1.00 77.13 ATOM 133 NH2 ARG B 323 10.841 -0.524 18.508 1.00 76.38 ATOM 134 N VAL B 324 9.004 2.680 12.178 1.00 29.26 ATOM 135 CA VAL B 324 9.883 3.760 11.766 1.00 28.29 ATOM 136 C VAL B 324 10.287 4.500 13.039 1.00 32.89 ATOM 137 O VAL B 324 9.443 4.801 13.893 1.00 32.34 ATOM 138 CB VAL B 324 9.160 4.704 10.758 1.00 30.59 ATOM 139 CG1 VAL B 324 10.075 5.852 10.320 1.00 29.73 ATOM 140 CG2 VAL B 324 8.676 3.918 9.554 1.00 30.24 ATOM 141 N GLN B 325 11.568 4.799 13.170 1.00 29.67 ATOM 142 CA GLN B 325 12.031 5.495 14.369 1.00 29.39 ATOM 143 C GLN B 325 13.228 6.399 14.044 1.00 29.86 ATOM 144 O GLN B 325 13.769 6.296 12.965 1.00 27.40 ATOM 145 CB GLN B 325 12.424 4.446 15.429 1.00 29.76 ATOM 146 CG GLN B 325 13.525 3.499 14.972 1.00 33.53 ATOM 147 CD GLN B 325 13.668 2.304 15.892 1.00 52.06 ATOM 148 OE1 GLN B 325 12.714 1.845 16.519 1.00 48.70 ATOM 149 NE2 GLN B 325 14.860 1.755 15.965 1.00 43.10 ATOM 150 N VAL B 326 13.657 7.235 14.992 1.00 27.35 ATOM 151 CA VAL B 326 14.883 8.031 14.860 1.00 27.40 ATOM 152 C VAL B 326 15.958 7.096 15.451 1.00 35.17 ATOM 153 O VAL B 326 15.733 6.503 16.500 1.00 35.46 ATOM 154 CB VAL B 326 14.799 9.371 15.652 1.00 31.53 ATOM 155 CG1 VAL B 326 16.159 10.075 15.691 1.00 31.27 ATOM 156 CG2 VAL B 326 13.746 10.299 15.065 1.00 31.13 ATOM 157 N ALA B 327 17.092 6.919 14.785 1.00 36.07 ATOM 158 CA ALA B 327 18.147 6.038 15.313 1.00 36.82 ATOM 159 C ALA B 327 18.592 6.463 16.740 1.00 42.79 ATOM 160 O ALA B 327 18.634 7.654 17.046 1.00 42.07 ATOM 161 CB ALA B 327 19.335 6.032 14.371 1.00 37.44 ATOM 162 N ASP B 328 18.862 5.485 17.622 1.00 41.72 ATOM 163 CA ASP B 328 19.333 5.741 18.988 1.00 42.22 ATOM 164 C ASP B 328 20.695 6.464 18.990 1.00 43.71 ATOM 165 O ASP B 328 20.932 7.296 19.850 1.00 44.20 ATOM 166 CB ASP B 328 19.388 4.440 19.816 1.00 45.08 ATOM 167 N ARG B 329 21.552 6.194 18.002 1.00 39.53 ATOM 168 CA ARG B 329 22.866 6.827 17.851 1.00 39.20 ATOM 169 C ARG B 329 22.748 8.325 17.612 1.00 42.00 ATOM 170 O ARG B 329 23.693 9.046 17.938 1.00 44.22 ATOM 171 CB ARG B 329 23.681 6.184 16.698 1.00 39.52 ATOM 172 C ACT B 503 16.246 9.830 19.730 1.00 58.41 ATOM 173 O ACT B 503 17.451 10.070 19.438 1.00 59.31 ATOM 174 OXT ACT B 503 15.477 10.648 20.278 1.00 64.56 ATOM 175 CH3 ACT B 503 15.659 8.429 19.385 1.00 54.18 TER