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; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.06 ANGSTORMS DBREF 6MJH A 22 46 UNP A0A0R5TV A0A0R5TVW3_ 20 44 DBREF 6MJH B 22 46 UNP A0A0R5TV A0A0R5TVW3_ 20 44 SEQRES 1 B 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA ASN ILE ILE SEQRES 2 B 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 B 27 NH2 ATOM 1 C ACE B 21 25.535 -44.045-107.380 1.00 46.60 ATOM 2 O ACE B 21 25.748 -44.541-106.274 1.00 54.44 ATOM 3 CH3 ACE B 21 24.731 -44.765-108.424 1.00 40.42 ATOM 4 N SER B 22 25.995 -42.839-107.708 1.00 45.08 ATOM 5 CA SER B 22 25.762 -42.222-109.010 1.00 37.79 ATOM 6 C SER B 22 26.826 -42.636-110.023 1.00 36.95 ATOM 7 O SER B 22 27.863 -43.193-109.661 1.00 35.93 ATOM 8 CB SER B 22 25.727 -40.698-108.882 1.00 42.83 ATOM 9 OG SER B 22 27.036 -40.155-108.882 1.00 45.68 ATOM 10 N SER B 23 26.555 -42.366-111.294 1.00 39.73 ATOM 11 CA SER B 23 27.490 -42.644-112.371 1.00 33.19 ATOM 12 C SER B 23 28.162 -41.354-112.822 1.00 25.56 ATOM 13 O SER B 23 27.580 -40.270-112.744 1.00 26.27 ATOM 14 CB SER B 23 26.783 -43.306-113.555 1.00 29.57 ATOM 15 OG SER B 23 26.417 -44.639-113.243 1.00 40.55 ATOM 16 N ASP B 24 29.396 -41.483-113.286 1.00 25.52 ATOM 17 CA ASP B 24 30.159 -40.328-113.744 1.00 24.93 ATOM 18 C ASP B 24 29.532 -39.767-115.013 1.00 22.96 ATOM 19 O ASP B 24 29.479 -40.472-116.029 1.00 23.27 ATOM 20 CB ASP B 24 31.613 -40.722-113.995 1.00 22.13 ATOM 21 CG ASP B 24 32.518 -39.521-114.207 1.00 26.09 ATOM 22 OD1 ASP B 24 32.014 -38.379-114.215 1.00 30.16 ATOM 23 OD2 ASP B 24 33.741 -39.719-114.366 1.00 28.59 ATOM 24 N PRO B 25 29.045 -38.522-115.007 1.00 24.14 ATOM 25 CA PRO B 25 28.462 -37.964-116.238 1.00 24.92 ATOM 26 C PRO B 25 29.447 -37.894-117.391 1.00 21.22 ATOM 27 O PRO B 25 29.032 -37.991-118.553 1.00 21.55 ATOM 28 CB PRO B 25 27.998 -36.564-115.806 1.00 25.40 ATOM 29 CG PRO B 25 27.881 -36.636-114.317 1.00 33.03 ATOM 30 CD PRO B 25 28.940 -37.593-113.870 1.00 27.85 ATOM 31 N LEU B 26 30.743 -37.737-117.106 1.00 21.71 ATOM 32 CA LEU B 26 31.732 -37.700-118.178 1.00 25.23 ATOM 33 C LEU B 26 31.896 -39.057-118.848 1.00 18.81 ATOM 34 O LEU B 26 32.150 -39.119-120.055 1.00 22.09 ATOM 35 CB LEU B 26 33.073 -37.205-117.635 1.00 23.57 ATOM 36 CG LEU B 26 33.308 -35.703-117.803 1.00 31.26 ATOM 37 CD1 LEU B 26 32.038 -34.923-117.503 1.00 27.61 ATOM 38 CD2 LEU B 26 34.454 -35.232-116.919 1.00 27.97 ATOM 39 N VAL B 27 31.771 -40.147-118.089 1.00 23.14 ATOM 40 CA VAL B 27 31.824 -41.473-118.697 1.00 21.21 ATOM 41 C VAL B 27 30.552 -41.747-119.488 1.00 23.12 ATOM 42 O VAL B 27 30.586 -42.444-120.510 1.00 25.62 ATOM 43 CB VAL B 27 32.067 -42.552-117.625 1.00 24.43 ATOM 44 CG1 VAL B 27 32.058 -43.936-118.259 1.00 16.26 ATOM 45 CG2 VAL B 27 33.384 -42.298-116.906 1.00 17.13 ATOM 46 N VAL B 28 29.415 -41.203-119.044 1.00 22.46 ATOM 47 CA VAL B 28 28.182 -41.325-119.817 1.00 24.64 ATOM 48 C VAL B 28 28.322 -40.606-121.152 1.00 20.39 ATOM 49 O VAL B 28 27.890 -41.110-122.196 1.00 21.06 ATOM 50 CB VAL B 28 26.987 -40.785-119.011 1.00 24.25 ATOM 51 CG1 VAL B 28 25.696 -40.960-119.802 1.00 25.86 ATOM 52 CG2 VAL B 28 26.897 -41.478-117.660 1.00 20.48 ATOM 53 N ALA B 29 28.922 -39.413-121.140 1.00 24.24 ATOM 54 CA ALA B 29 29.130 -38.675-122.382 1.00 18.21 ATOM 55 C ALA B 29 30.088 -39.414-123.308 1.00 25.28 ATOM 56 O ALA B 29 29.930 -39.380-124.535 1.00 23.07 ATOM 57 CB ALA B 29 29.657 -37.271-122.078 1.00 21.36 ATOM 58 N ALA B 30 31.091 -40.086-122.738 1.00 25.98 ATOM 59 CA ALA B 30 32.030 -40.849-123.554 1.00 21.46 ATOM 60 C ALA B 30 31.316 -41.963-124.309 1.00 23.12 ATOM 61 O ALA B 30 31.546 -42.163-125.508 1.00 22.84 ATOM 62 CB ALA B 30 33.147 -41.417-122.676 1.00 31.95 ATOM 63 N ASN B 31 30.440 -42.701-123.624 1.00 18.18 ATOM 64 CA ASN B 31 29.686 -43.755-124.293 1.00 21.52 ATOM 65 C ASN B 31 28.775 -43.179-125.369 1.00 22.62 ATOM 66 O ASN B 31 28.703 -43.708-126.484 1.00 19.36 ATOM 67 CB ASN B 31 28.876 -44.560-123.273 1.00 18.61 ATOM 68 CG ASN B 31 29.723 -45.571-122.525 1.00 25.92 ATOM 69 OD1 ASN B 31 30.245 -46.516-123.115 1.00 28.40 ATOM 70 ND2 ASN B 31 29.854 -45.383-121.218 1.00 20.50 ATOM 71 N ILE B 32 28.069 -42.090-125.054 1.00 18.46 ATOM 72 CA ILE B 32 27.135 -41.507-126.015 1.00 18.87 ATOM 73 C ILE B 32 27.869 -41.094-127.284 1.00 21.11 ATOM 74 O ILE B 32 27.428 -41.385-128.403 1.00 14.18 ATOM 75 CB ILE B 32 26.385 -40.318-125.389 1.00 19.67 ATOM 76 CG1 ILE B 32 25.563 -40.778-124.183 1.00 21.76 ATOM 77 CG2 ILE B 32 25.493 -39.652-126.431 1.00 18.10 ATOM 78 CD1 ILE B 32 24.840 -39.651-123.470 1.00 28.98 ATOM 79 N ILE B 33 29.002 -40.406-127.126 1.00 18.81 ATOM 80 CA ILE B 33 29.782 -39.972-128.281 1.00 17.50 ATOM 81 C ILE B 33 30.278 -41.176-129.070 1.00 18.92 ATOM 82 O ILE B 33 30.117 -41.247-130.295 1.00 18.79 ATOM 83 CB ILE B 33 30.948 -39.074-127.832 1.00 22.33 ATOM 84 CG1 ILE B 33 30.409 -37.775-127.235 1.00 23.59 ATOM 85 CG2 ILE B 33 31.883 -38.786-129.000 1.00 25.08 ATOM 86 CD1 ILE B 33 29.432 -37.058-128.144 1.00 28.73 ATOM 87 N GLY B 34 30.887 -42.141-128.380 1.00 21.09 ATOM 88 CA GLY B 34 31.430 -43.299-129.073 1.00 17.30 ATOM 89 C GLY B 34 30.373 -44.072-129.840 1.00 20.56 ATOM 90 O GLY B 34 30.562 -44.415-131.009 1.00 20.01 ATOM 91 N ILE B 35 29.242 -44.357-129.190 1.00 17.64 ATOM 92 CA ILE B 35 28.240 -45.166-129.878 1.00 20.21 ATOM 93 C ILE B 35 27.583 -44.371-131.000 1.00 18.54 ATOM 94 O ILE B 35 27.290 -44.914-132.072 1.00 19.82 ATOM 95 CB ILE B 35 27.201 -45.703-128.876 1.00 21.40 ATOM 96 CG1 ILE B 35 26.000 -46.289-129.620 1.00 26.71 ATOM 97 CG2 ILE B 35 26.742 -44.605-127.941 1.00 27.09 ATOM 98 CD1 ILE B 35 24.990 -46.965-128.711 1.00 45.82 ATOM 99 N LEU B 36 27.397 -43.060-130.835 1.00 16.48 ATOM 100 CA LEU B 36 26.893 -42.248-131.939 1.00 18.72 ATOM 101 C LEU B 36 27.847 -42.296-133.125 1.00 17.41 ATOM 102 O LEU B 36 27.426 -42.487-134.272 1.00 16.23 ATOM 103 CB LEU B 36 26.674 -40.806-131.482 1.00 17.29 ATOM 104 CG LEU B 36 26.328 -39.796-132.585 1.00 29.30 ATOM 105 CD1 LEU B 36 25.004 -40.138-133.260 1.00 24.14 ATOM 106 CD2 LEU B 36 26.307 -38.372-132.046 1.00 22.61 ATOM 107 N HIS B 37 29.145 -42.126-132.864 1.00 20.77 ATOM 108 CA HIS B 37 30.128 -42.148-133.942 1.00 18.93 ATOM 109 C HIS B 37 30.132 -43.497-134.650 1.00 17.26 ATOM 110 O HIS B 37 30.133 -43.564-135.884 1.00 17.79 ATOM 111 CB HIS B 37 31.514 -41.820-133.387 1.00 15.90 ATOM 112 CG HIS B 37 32.552 -41.602-134.442 1.00 18.87 ATOM 113 ND1 HIS B 37 33.852 -41.254-134.145 1.00 19.33 ATOM 114 CD2 HIS B 37 32.483 -41.685-135.792 1.00 21.29 ATOM 115 CE1 HIS B 37 34.539 -41.131-135.267 1.00 20.27 ATOM 116 NE2 HIS B 37 33.732 -41.387-136.280 1.00 24.34 ATOM 117 N LEU B 38 30.132 -44.588-133.881 1.00 17.05 ATOM 118 CA LEU B 38 30.098 -45.915-134.487 1.00 17.65 ATOM 119 C LEU B 38 28.827 -46.117-135.303 1.00 13.50 ATOM 120 O LEU B 38 28.871 -46.646-136.418 1.00 15.08 ATOM 121 CB LEU B 38 30.221 -46.985-133.403 1.00 15.25 ATOM 122 CG LEU B 38 30.012 -48.440-133.826 1.00 22.28 ATOM 123 CD1 LEU B 38 30.978 -48.828-134.931 1.00 13.88 ATOM 124 CD2 LEU B 38 30.173 -49.355-132.627 1.00 20.70 ATOM 125 N ILE B 39 27.685 -45.681-134.772 1.00 15.67 ATOM 126 CA ILE B 39 26.421 -45.871-135.476 1.00 17.30 ATOM 127 C ILE B 39 26.403 -45.064-136.768 1.00 22.22 ATOM 128 O ILE B 39 26.045 -45.578-137.835 1.00 18.19 ATOM 129 CB ILE B 39 25.241 -45.501-134.562 1.00 19.62 ATOM 130 CG1 ILE B 39 25.104 -46.528-133.435 1.00 17.90 ATOM 131 CG2 ILE B 39 23.960 -45.384-135.371 1.00 23.40 ATOM 132 CD1 ILE B 39 24.004 -46.211-132.448 1.00 26.51 ATOM 133 N LEU B 40 26.785 -43.787-136.691 1.00 17.70 ATOM 134 CA LEU B 40 26.777 -42.945-137.882 1.00 15.29 ATOM 135 C LEU B 40 27.720 -43.488-138.948 1.00 16.09 ATOM 136 O LEU B 40 27.432 -43.395-140.148 1.00 20.54 ATOM 137 CB LEU B 40 27.150 -41.509-137.510 1.00 21.76 ATOM 138 CG LEU B 40 26.138 -40.738-136.659 1.00 21.67 ATOM 139 CD1 LEU B 40 26.689 -39.377-136.261 1.00 20.16 ATOM 140 CD2 LEU B 40 24.824 -40.589-137.408 1.00 22.67 ATOM 141 N TRP B 41 28.851 -44.061-138.532 1.00 16.74 ATOM 142 CA TRP B 41 29.813 -44.576-139.502 1.00 19.40 ATOM 143 C TRP B 41 29.291 -45.838-140.179 1.00 18.34 ATOM 144 O TRP B 41 29.393 -45.983-141.402 1.00 17.80 ATOM 145 CB TRP B 41 31.157 -44.841-138.822 1.00 20.29 ATOM 146 CG TRP B 41 32.151 -45.511-139.723 1.00 18.46 ATOM 147 CD1 TRP B 41 32.844 -44.935-140.750 1.00 21.76 ATOM 148 CD2 TRP B 41 32.568 -46.882-139.676 1.00 24.30 ATOM 149 NE1 TRP B 41 33.661 -45.866-141.349 1.00 21.58 ATOM 150 CE2 TRP B 41 33.511 -47.067-140.708 1.00 20.41 ATOM 151 CE3 TRP B 41 32.234 -47.971-138.862 1.00 21.62 ATOM 152 CZ2 TRP B 41 34.123 -48.297-140.948 1.00 19.41 ATOM 153 CZ3 TRP B 41 32.844 -49.191-139.102 1.00 18.33 ATOM 154 CH2 TRP B 41 33.777 -49.344-140.138 1.00 21.36 ATOM 155 N ILE B 42 28.730 -46.762-139.399 1.00 20.48 ATOM 156 CA ILE B 42 28.133 -47.961-139.979 1.00 21.39 ATOM 157 C ILE B 42 27.052 -47.579-140.982 1.00 21.38 ATOM 158 O ILE B 42 27.048 -48.042-142.129 1.00 22.63 ATOM 159 CB ILE B 42 27.578 -48.869-138.868 1.00 19.71 ATOM 160 CG1 ILE B 42 28.724 -49.462-138.044 1.00 16.05 ATOM 161 CG2 ILE B 42 26.692 -49.955-139.460 1.00 22.99 ATOM 162 CD1 ILE B 42 28.262 -50.191-136.801 1.00 22.79 ATOM 163 N LEU B 43 26.120 -46.719-140.563 1.00 19.67 ATOM 164 CA LEU B 43 25.032 -46.273-141.427 1.00 21.68 ATOM 165 C LEU B 43 25.568 -45.624-142.696 1.00 17.09 ATOM 166 O LEU B 43 25.024 -45.834-143.785 1.00 22.73 ATOM 167 CB LEU B 43 24.121 -45.307-140.665 1.00 19.69 ATOM 168 CG LEU B 43 23.111 -45.919-139.687 1.00 23.31 ATOM 169 CD1 LEU B 43 22.129 -44.879-139.168 1.00 27.12 ATOM 170 CD2 LEU B 43 22.368 -47.086-140.320 1.00 29.40 ATOM 171 N ASP B 44 26.597 -44.788-142.542 1.00 22.79 ATOM 172 CA ASP B 44 27.206 -44.140-143.701 1.00 21.73 ATOM 173 C ASP B 44 27.729 -45.173-144.694 1.00 28.73 ATOM 174 O ASP B 44 27.500 -45.063-145.904 1.00 27.53 ATOM 175 CB ASP B 44 28.333 -43.212-143.248 1.00 25.62 ATOM 176 CG ASP B 44 28.970 -42.461-144.402 1.00 28.16 ATOM 177 OD1 ASP B 44 28.378 -42.436-145.502 1.00 26.29 ATOM 178 OD2 ASP B 44 30.068 -41.896-144.209 1.00 30.16 ATOM 179 N ARG B 45 28.429 -46.191-144.192 1.00 25.80 ATOM 180 CA ARG B 45 29.035 -47.181-145.070 1.00 27.88 ATOM 181 C ARG B 45 27.981 -48.023-145.776 1.00 27.22 ATOM 182 O ARG B 45 28.096 -48.289-146.977 1.00 33.00 ATOM 183 CB ARG B 45 29.990 -48.063-144.271 1.00 28.29 ATOM 184 CG ARG B 45 31.319 -47.393-143.966 1.00 30.47 ATOM 185 CD ARG B 45 32.149 -47.247-145.228 1.00 31.08 ATOM 186 NE ARG B 45 32.672 -48.531-145.682 1.00 30.99 ATOM 187 CZ ARG B 45 32.239 -49.181-146.758 1.00 34.11 ATOM 188 NH1 ARG B 45 31.269 -48.668-147.504 1.00 34.39 ATOM 189 NH2 ARG B 45 32.778 -50.342-147.089 1.00 29.34 ATOM 190 N LEU B 46 26.938 -48.437-145.055 1.00 21.51 ATOM 191 CA LEU B 46 25.887 -49.272-145.637 1.00 29.65 ATOM 192 C LEU B 46 24.913 -48.468-146.497 1.00 38.36 ATOM 193 O LEU B 46 23.830 -48.949-146.828 1.00 40.61 ATOM 194 CB LEU B 46 25.107 -50.004-144.540 1.00 27.23 ATOM 195 CG LEU B 46 25.897 -50.704-143.436 1.00 32.59 ATOM 196 CD1 LEU B 46 24.953 -51.196-142.357 1.00 36.64 ATOM 197 CD2 LEU B 46 26.731 -51.852-143.985 1.00 33.38 ATOM 198 N NH2 B 47 25.299 -47.247-146.853 1.00 43.22 ATOM 199 CA CA B 101 35.358 -52.335-147.428 1.00 50.63 ATOM 200 CA CA B 101 26.857 -43.034-147.249 1.00 45.71 TER