HEADER MEMBRANE PROTEIN 31-DEC-69 6MJH TITLE The S31N mutant of the influenza A M2 proton channel in two distinct TITLE 2 conformational states COMPND MOL_ID: 1; COMPND 2 MOLECULE: Matrix protein 2; COMPND 3 CHAIN: A, B, C, D, E, F, G, H; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 1; COMPND 6 Matrix protein 2; COMPND 7 CHAIN: A, B, C, D, E, F, G, H; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 1; COMPND 10 Matrix protein 2; COMPND 11 CHAIN: A, B, C, D, E, F, G, H; COMPND 12 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.06 ANGSTORMS DBREF 6MJH E 22 46 UNP A0A0R5TV A0A0R5TVW3_ 20 44 DBREF 6MJH F 22 46 UNP A0A0R5TV A0A0R5TVW3_ 20 44 DBREF 6MJH G 22 46 UNP A0A0R5TV A0A0R5TVW3_ 20 44 SEQRES 1 F 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA ASN ILE ILE SEQRES 2 F 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 F 27 NH2 ATOM 1 C ACE F 21 57.543 -65.896-112.838 1.00 28.61 ATOM 2 O ACE F 21 57.627 -67.109-113.024 1.00 31.25 ATOM 3 CH3 ACE F 21 58.689 -65.071-112.332 1.00 21.56 ATOM 4 N SER F 22 56.425 -65.225-113.080 1.00 22.31 ATOM 5 CA SER F 22 55.231 -65.898-113.568 1.00 24.58 ATOM 6 C SER F 22 54.375 -64.929-114.371 1.00 20.80 ATOM 7 O SER F 22 54.538 -63.714-114.272 1.00 20.61 ATOM 8 CB SER F 22 54.430 -66.486-112.405 1.00 24.26 ATOM 9 OG SER F 22 54.138 -65.499-111.431 1.00 21.17 ATOM 10 N SER F 23 53.462 -65.476-115.170 1.00 20.49 ATOM 11 CA SER F 23 52.674 -64.681-116.097 1.00 20.41 ATOM 12 C SER F 23 51.227 -65.149-116.068 1.00 22.11 ATOM 13 O SER F 23 50.912 -66.248-115.603 1.00 23.14 ATOM 14 CB SER F 23 53.225 -64.775-117.529 1.00 17.65 ATOM 15 OG SER F 23 54.588 -64.394-117.586 1.00 22.74 ATOM 16 N ASP F 24 50.351 -64.290-116.572 1.00 18.55 ATOM 17 CA ASP F 24 48.958 -64.659-116.751 1.00 21.90 ATOM 18 C ASP F 24 48.868 -65.888-117.655 1.00 18.96 ATOM 19 O ASP F 24 49.558 -65.954-118.680 1.00 19.27 ATOM 20 CB ASP F 24 48.186 -63.484-117.356 1.00 21.30 ATOM 21 CG ASP F 24 46.705 -63.768-117.522 1.00 27.08 ATOM 22 OD1 ASP F 24 46.346 -64.867-117.995 1.00 29.13 ATOM 23 OD2 ASP F 24 45.895 -62.880-117.183 1.00 31.47 ATOM 24 N PRO F 25 48.044 -66.884-117.309 1.00 24.63 ATOM 25 CA PRO F 25 47.938 -68.071-118.177 1.00 22.52 ATOM 26 C PRO F 25 47.583 -67.740-119.615 1.00 20.35 ATOM 27 O PRO F 25 47.968 -68.484-120.525 1.00 20.40 ATOM 28 CB PRO F 25 46.840 -68.903-117.500 1.00 24.87 ATOM 29 CG PRO F 25 46.853 -68.472-116.078 1.00 27.96 ATOM 30 CD PRO F 25 47.217 -67.015-116.094 1.00 20.65 ATOM 31 N LEU F 26 46.848 -66.650-119.848 1.00 20.05 ATOM 32 CA LEU F 26 46.550 -66.280-121.227 1.00 26.50 ATOM 33 C LEU F 26 47.800 -65.782-121.942 1.00 20.26 ATOM 34 O LEU F 26 48.034 -66.121-123.108 1.00 19.89 ATOM 35 CB LEU F 26 45.454 -65.216-121.250 1.00 24.87 ATOM 36 CG LEU F 26 45.305 -64.391-122.530 1.00 28.73 ATOM 37 CD1 LEU F 26 45.164 -65.293-123.746 1.00 37.45 ATOM 38 CD2 LEU F 26 44.113 -63.464-122.408 1.00 25.28 ATOM 39 N VAL F 27 48.656 -65.022-121.260 1.00 20.72 ATOM 40 CA VAL F 27 49.915 -64.591-121.860 1.00 23.32 ATOM 41 C VAL F 27 50.794 -65.800-122.150 1.00 16.57 ATOM 42 O VAL F 27 51.380 -65.920-123.233 1.00 16.98 ATOM 43 CB VAL F 27 50.620 -63.577-120.940 1.00 18.85 ATOM 44 CG1 VAL F 27 51.987 -63.187-121.497 1.00 22.16 ATOM 45 CG2 VAL F 27 49.751 -62.342-120.762 1.00 17.69 ATOM 46 N VAL F 28 50.893 -66.717-121.184 1.00 21.03 ATOM 47 CA VAL F 28 51.620 -67.967-121.406 1.00 18.56 ATOM 48 C VAL F 28 51.099 -68.658-122.660 1.00 20.91 ATOM 49 O VAL F 28 51.868 -69.038-123.551 1.00 24.00 ATOM 50 CB VAL F 28 51.502 -68.882-120.172 1.00 25.04 ATOM 51 CG1 VAL F 28 52.232 -70.202-120.404 1.00 27.06 ATOM 52 CG2 VAL F 28 52.047 -68.191-118.928 1.00 17.21 ATOM 53 N ALA F 29 49.777 -68.825-122.748 1.00 18.74 ATOM 54 CA ALA F 29 49.188 -69.505-123.898 1.00 22.09 ATOM 55 C ALA F 29 49.506 -68.768-125.194 1.00 20.56 ATOM 56 O ALA F 29 49.919 -69.381-126.185 1.00 22.94 ATOM 57 CB ALA F 29 47.676 -69.633-123.710 1.00 23.23 ATOM 58 N ALA F 30 49.313 -67.448-125.208 1.00 23.16 ATOM 59 CA ALA F 30 49.541 -66.684-126.430 1.00 20.48 ATOM 60 C ALA F 30 50.996 -66.778-126.874 1.00 21.66 ATOM 61 O ALA F 30 51.282 -66.871-128.073 1.00 22.59 ATOM 62 CB ALA F 30 49.134 -65.225-126.219 1.00 22.70 ATOM 63 N ASN F 31 51.929 -66.763-125.920 1.00 20.78 ATOM 64 CA ASN F 31 53.343 -66.859-126.267 1.00 23.42 ATOM 65 C ASN F 31 53.707 -68.243-126.792 1.00 24.53 ATOM 66 O ASN F 31 54.613 -68.366-127.624 1.00 28.02 ATOM 67 CB ASN F 31 54.202 -66.503-125.055 1.00 19.33 ATOM 68 CG ASN F 31 54.440 -65.013-124.934 1.00 25.85 ATOM 69 OD1 ASN F 31 55.498 -64.515-125.310 1.00 27.49 ATOM 70 ND2 ASN F 31 53.447 -64.289-124.421 1.00 22.48 ATOM 71 N ILE F 32 53.030 -69.291-126.316 1.00 22.82 ATOM 72 CA ILE F 32 53.231 -70.623-126.883 1.00 26.20 ATOM 73 C ILE F 32 52.688 -70.676-128.307 1.00 19.44 ATOM 74 O ILE F 32 53.336 -71.210-129.216 1.00 21.89 ATOM 75 CB ILE F 32 52.575 -71.692-125.987 1.00 19.98 ATOM 76 CG1 ILE F 32 53.237 -71.722-124.609 1.00 26.79 ATOM 77 CG2 ILE F 32 52.666 -73.074-126.634 1.00 28.88 ATOM 78 CD1 ILE F 32 52.458 -72.511-123.577 1.00 25.32 ATOM 79 N ILE F 33 51.492 -70.124-128.522 1.00 23.14 ATOM 80 CA ILE F 33 50.914 -70.077-129.864 1.00 20.33 ATOM 81 C ILE F 33 51.820 -69.288-130.801 1.00 22.45 ATOM 82 O ILE F 33 52.031 -69.675-131.958 1.00 22.55 ATOM 83 CB ILE F 33 49.495 -69.481-129.804 1.00 23.68 ATOM 84 CG1 ILE F 33 48.581 -70.390-128.979 1.00 26.23 ATOM 85 CG2 ILE F 33 48.922 -69.287-131.206 1.00 19.75 ATOM 86 CD1 ILE F 33 47.239 -69.778-128.639 1.00 28.77 ATOM 87 N GLY F 34 52.367 -68.170-130.320 1.00 19.86 ATOM 88 CA GLY F 34 53.326 -67.425-131.120 1.00 23.97 ATOM 89 C GLY F 34 54.505 -68.278-131.551 1.00 22.26 ATOM 90 O GLY F 34 54.846 -68.337-132.735 1.00 24.92 ATOM 91 N ILE F 35 55.146 -68.950-130.592 1.00 21.46 ATOM 92 CA ILE F 35 56.278 -69.816-130.920 1.00 27.27 ATOM 93 C ILE F 35 55.858 -70.862-131.944 1.00 18.80 ATOM 94 O ILE F 35 56.571 -71.126-132.920 1.00 21.01 ATOM 95 CB ILE F 35 56.844 -70.469-129.645 1.00 22.74 ATOM 96 CG1 ILE F 35 57.479 -69.410-128.741 1.00 27.42 ATOM 97 CG2 ILE F 35 57.874 -71.547-129.997 1.00 23.85 ATOM 98 CD1 ILE F 35 57.892 -69.934-127.376 1.00 31.54 ATOM 99 N LEU F 36 54.698 -71.485-131.729 1.00 24.29 ATOM 100 CA LEU F 36 54.202 -72.478-132.675 1.00 17.16 ATOM 101 C LEU F 36 54.036 -71.867-134.060 1.00 20.97 ATOM 102 O LEU F 36 54.459 -72.451-135.066 1.00 21.40 ATOM 103 CB LEU F 36 52.878 -73.055-132.173 1.00 24.68 ATOM 104 CG LEU F 36 52.170 -74.047-133.100 1.00 26.92 ATOM 105 CD1 LEU F 36 53.080 -75.203-133.454 1.00 21.30 ATOM 106 CD2 LEU F 36 50.898 -74.553-132.447 1.00 29.20 ATOM 107 N HIS F 37 53.420 -70.686-134.129 1.00 20.99 ATOM 108 CA HIS F 37 53.284 -69.984-135.399 1.00 21.22 ATOM 109 C HIS F 37 54.638 -69.827-136.076 1.00 21.91 ATOM 110 O HIS F 37 54.792 -70.120-137.267 1.00 24.47 ATOM 111 CB HIS F 37 52.633 -68.618-135.165 1.00 26.25 ATOM 112 CG HIS F 37 52.430 -67.820-136.414 1.00 25.02 ATOM 113 ND1 HIS F 37 52.160 -66.469-136.396 1.00 33.98 ATOM 114 CD2 HIS F 37 52.455 -68.181-137.718 1.00 27.08 ATOM 115 CE1 HIS F 37 52.029 -66.031-137.635 1.00 26.97 ATOM 116 NE2 HIS F 37 52.204 -67.051-138.457 1.00 24.65 ATOM 117 N LEU F 38 55.640 -69.374-135.319 1.00 20.30 ATOM 118 CA LEU F 38 56.979 -69.217-135.876 1.00 25.70 ATOM 119 C LEU F 38 57.519 -70.548-136.386 1.00 22.96 ATOM 120 O LEU F 38 58.036 -70.633-137.506 1.00 24.05 ATOM 121 CB LEU F 38 57.914 -68.622-134.822 1.00 25.51 ATOM 122 CG LEU F 38 59.387 -68.505-135.225 1.00 21.99 ATOM 123 CD1 LEU F 38 59.548 -67.748-136.532 1.00 28.22 ATOM 124 CD2 LEU F 38 60.182 -67.831-134.121 1.00 28.41 ATOM 125 N ILE F 39 57.413 -71.603-135.575 1.00 18.98 ATOM 126 CA ILE F 39 57.936 -72.906-135.985 1.00 25.74 ATOM 127 C ILE F 39 57.288 -73.351-137.291 1.00 24.50 ATOM 128 O ILE F 39 57.965 -73.852-138.198 1.00 26.62 ATOM 129 CB ILE F 39 57.732 -73.944-134.864 1.00 20.87 ATOM 130 CG1 ILE F 39 58.580 -73.583-133.642 1.00 21.75 ATOM 131 CG2 ILE F 39 58.100 -75.348-135.346 1.00 29.51 ATOM 132 CD1 ILE F 39 58.162 -74.294-132.372 1.00 26.80 ATOM 133 N LEU F 40 55.970 -73.170-137.412 1.00 25.23 ATOM 134 CA LEU F 40 55.273 -73.597-138.621 1.00 26.58 ATOM 135 C LEU F 40 55.677 -72.750-139.821 1.00 29.76 ATOM 136 O LEU F 40 55.815 -73.269-140.935 1.00 29.35 ATOM 137 CB LEU F 40 53.762 -73.534-138.405 1.00 23.57 ATOM 138 CG LEU F 40 53.198 -74.533-137.394 1.00 27.43 ATOM 139 CD1 LEU F 40 51.751 -74.200-137.069 1.00 24.74 ATOM 140 CD2 LEU F 40 53.313 -75.962-137.912 1.00 30.96 ATOM 141 N TRP F 41 55.867 -71.446-139.618 1.00 23.56 ATOM 142 CA TRP F 41 56.314 -70.585-140.708 1.00 32.08 ATOM 143 C TRP F 41 57.665 -71.045-141.241 1.00 32.07 ATOM 144 O TRP F 41 57.841 -71.221-142.453 1.00 35.20 ATOM 145 CB TRP F 41 56.385 -69.133-140.234 1.00 32.54 ATOM 146 CG TRP F 41 56.876 -68.193-141.287 1.00 33.70 ATOM 147 CD1 TRP F 41 56.142 -67.624-142.284 1.00 41.42 ATOM 148 CD2 TRP F 41 58.215 -67.711-141.449 1.00 39.32 ATOM 149 NE1 TRP F 41 56.939 -66.817-143.059 1.00 48.05 ATOM 150 CE2 TRP F 41 58.217 -66.853-142.567 1.00 44.09 ATOM 151 CE3 TRP F 41 59.412 -67.921-140.758 1.00 37.91 ATOM 152 CZ2 TRP F 41 59.368 -66.206-143.009 1.00 47.12 ATOM 153 CZ3 TRP F 41 60.554 -67.278-141.199 1.00 35.46 ATOM 154 CH2 TRP F 41 60.524 -66.431-142.314 1.00 40.25 ATOM 155 N ILE F 42 58.637 -71.240-140.348 1.00 29.13 ATOM 156 CA ILE F 42 59.930 -71.781-140.760 1.00 32.02 ATOM 157 C ILE F 42 59.737 -73.112-141.472 1.00 26.95 ATOM 158 O ILE F 42 60.339 -73.369-142.521 1.00 26.63 ATOM 159 CB ILE F 42 60.865 -71.927-139.543 1.00 25.23 ATOM 160 CG1 ILE F 42 61.150 -70.563-138.913 1.00 21.52 ATOM 161 CG2 ILE F 42 62.178 -72.596-139.947 1.00 28.07 ATOM 162 CD1 ILE F 42 61.790 -70.643-137.542 1.00 24.10 ATOM 163 N LEU F 43 58.893 -73.963-140.898 1.00 28.38 ATOM 164 CA LEU F 43 58.615 -75.273-141.474 1.00 30.80 ATOM 165 C LEU F 43 58.012 -75.143-142.868 1.00 33.40 ATOM 166 O LEU F 43 58.214 -76.004-143.725 1.00 35.10 ATOM 167 CB LEU F 43 57.675 -76.069-140.566 1.00 32.32 ATOM 168 CG LEU F 43 57.783 -77.593-140.648 1.00 39.94 ATOM 169 CD1 LEU F 43 59.229 -78.038-140.494 1.00 24.81 ATOM 170 CD2 LEU F 43 56.901 -78.251-139.598 1.00 43.45 ATOM 171 N ASP F 44 57.272 -74.062-143.089 1.00 31.30 ATOM 172 CA ASP F 44 56.639 -73.817-144.379 1.00 35.25 ATOM 173 C ASP F 44 57.653 -73.321-145.404 1.00 43.00 ATOM 174 O ASP F 44 57.424 -73.406-146.610 1.00 41.15 ATOM 175 CB ASP F 44 55.500 -72.806-144.234 1.00 40.89 ATOM 176 CG ASP F 44 54.920 -72.386-145.570 1.00 41.36 ATOM 177 OD1 ASP F 44 53.995 -73.067-146.059 1.00 51.28 ATOM 178 OD2 ASP F 44 55.390 -71.373-146.132 1.00 52.39 ATOM 179 N ARG F 45 58.775 -72.802-144.915 1.00 34.82 ATOM 180 CA ARG F 45 59.825 -72.292-145.786 1.00 36.48 ATOM 181 C ARG F 45 60.883 -73.337-146.101 1.00 40.71 ATOM 182 O ARG F 45 61.486 -73.289-147.179 1.00 45.10 ATOM 183 CB ARG F 45 60.483 -71.065-145.150 1.00 34.45 ATOM 184 CG ARG F 45 59.643 -69.799-145.235 1.00 40.70 ATOM 185 CD ARG F 45 60.241 -68.792-146.213 1.00 45.94 ATOM 186 NE ARG F 45 59.215 -67.941-146.812 1.00 57.24 ATOM 187 CZ ARG F 45 59.448 -66.758-147.376 1.00 52.24 ATOM 188 NH1 ARG F 45 60.680 -66.268-147.424 1.00 46.30 ATOM 189 NH2 ARG F 45 58.445 -66.061-147.892 1.00 54.63 ATOM 190 N LEU F 46 61.118 -74.280-145.191 1.00 32.73 ATOM 191 CA LEU F 46 62.107 -75.333-145.404 1.00 32.57 ATOM 192 C LEU F 46 61.600 -76.368-146.401 1.00 41.39 ATOM 193 O LEU F 46 60.411 -76.688-146.422 1.00 36.28 ATOM 194 CB LEU F 46 62.459 -76.020-144.082 1.00 30.52 ATOM 195 CG LEU F 46 62.958 -75.145-142.931 1.00 27.49 ATOM 196 CD1 LEU F 46 62.591 -75.780-141.601 1.00 28.15 ATOM 197 CD2 LEU F 46 64.457 -74.937-143.025 1.00 32.64 ATOM 198 N NH2 F 47 62.506 -76.894-147.220 1.00 35.05 ATOM 199 CA CA F 101 54.198 -61.397-113.242 1.00 18.94 ATOM 200 CL CL F 101 54.121 -61.421-118.324 1.00 23.35 TER