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 D 22 46 UNP A0A0R5TV A0A0R5TVW3_ 20 44 SEQRES 1 A 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA ASN ILE ILE SEQRES 2 A 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 A 27 NH2 ATOM 1 C ACE A 21 36.878 -53.939-107.511 1.00 37.14 ATOM 2 O ACE A 21 37.441 -53.731-106.437 1.00 44.39 ATOM 3 CH3 ACE A 21 37.491 -54.819-108.563 1.00 36.20 ATOM 4 N SER A 22 35.689 -53.409-107.790 1.00 39.74 ATOM 5 CA SER A 22 34.977 -53.623-109.047 1.00 31.92 ATOM 6 C SER A 22 35.427 -52.626-110.111 1.00 32.82 ATOM 7 O SER A 22 36.047 -51.609-109.798 1.00 27.58 ATOM 8 CB SER A 22 33.466 -53.513-108.831 1.00 36.49 ATOM 9 OG SER A 22 33.071 -52.162-108.667 1.00 39.25 ATOM 10 N SER A 23 35.121 -52.927-111.369 1.00 35.53 ATOM 11 CA SER A 23 35.388 -52.019-112.472 1.00 28.56 ATOM 12 C SER A 23 34.111 -51.275-112.834 1.00 28.91 ATOM 13 O SER A 23 33.000 -51.762-112.606 1.00 24.29 ATOM 14 CB SER A 23 35.917 -52.774-113.693 1.00 30.91 ATOM 15 OG SER A 23 37.185 -53.345-113.430 1.00 34.96 ATOM 16 N ASP A 24 34.276 -50.088-113.393 1.00 27.15 ATOM 17 CA ASP A 24 33.074 -49.367-113.779 1.00 22.95 ATOM 18 C ASP A 24 32.554 -49.929-115.096 1.00 25.49 ATOM 19 O ASP A 24 33.245 -49.819-116.117 1.00 21.14 ATOM 20 CB ASP A 24 33.360 -47.876-113.922 1.00 23.58 ATOM 21 CG ASP A 24 32.112 -47.075-114.229 1.00 27.19 ATOM 22 OD1 ASP A 24 31.021 -47.675-114.312 1.00 27.97 ATOM 23 OD2 ASP A 24 32.232 -45.843-114.414 1.00 26.70 ATOM 24 N PRO A 25 31.320 -50.440-115.077 1.00 20.31 ATOM 25 CA PRO A 25 30.748 -50.994-116.314 1.00 21.62 ATOM 26 C PRO A 25 30.594 -49.964-117.417 1.00 19.71 ATOM 27 O PRO A 25 30.693 -50.320-118.598 1.00 23.74 ATOM 28 CB PRO A 25 29.390 -51.547-115.857 1.00 23.08 ATOM 29 CG PRO A 25 29.067 -50.788-114.616 1.00 31.83 ATOM 30 CD PRO A 25 30.385 -50.531-113.944 1.00 29.51 ATOM 31 N LEU A 26 30.351 -48.697-117.075 1.00 21.92 ATOM 32 CA LEU A 26 30.280 -47.666-118.104 1.00 24.71 ATOM 33 C LEU A 26 31.625 -47.465-118.789 1.00 19.30 ATOM 34 O LEU A 26 31.668 -47.109-119.971 1.00 20.41 ATOM 35 CB LEU A 26 29.784 -46.349-117.506 1.00 24.74 ATOM 36 CG LEU A 26 28.302 -46.345-117.126 1.00 25.18 ATOM 37 CD1 LEU A 26 27.849 -44.962-116.690 1.00 25.61 ATOM 38 CD2 LEU A 26 27.459 -46.849-118.286 1.00 28.97 ATOM 39 N VAL A 27 32.726 -47.683-118.070 1.00 25.56 ATOM 40 CA VAL A 27 34.047 -47.586-118.684 1.00 20.83 ATOM 41 C VAL A 27 34.336 -48.818-119.532 1.00 26.49 ATOM 42 O VAL A 27 34.936 -48.717-120.610 1.00 25.33 ATOM 43 CB VAL A 27 35.121 -47.372-117.603 1.00 22.57 ATOM 44 CG1 VAL A 27 36.511 -47.365-118.226 1.00 25.04 ATOM 45 CG2 VAL A 27 34.860 -46.073-116.849 1.00 20.33 ATOM 46 N VAL A 28 33.912 -49.997-119.065 1.00 22.64 ATOM 47 CA VAL A 28 34.037 -51.207-119.875 1.00 21.82 ATOM 48 C VAL A 28 33.334 -51.023-121.213 1.00 18.63 ATOM 49 O VAL A 28 33.883 -51.342-122.274 1.00 22.56 ATOM 50 CB VAL A 28 33.481 -52.425-119.116 1.00 23.21 ATOM 51 CG1 VAL A 28 33.582 -53.673-119.981 1.00 18.32 ATOM 52 CG2 VAL A 28 34.216 -52.617-117.796 1.00 22.29 ATOM 53 N ALA A 29 32.100 -50.512-121.180 1.00 21.94 ATOM 54 CA ALA A 29 31.358 -50.288-122.415 1.00 17.91 ATOM 55 C ALA A 29 32.088 -49.312-123.330 1.00 19.68 ATOM 56 O ALA A 29 32.142 -49.513-124.549 1.00 16.23 ATOM 57 CB ALA A 29 29.953 -49.776-122.096 1.00 17.35 ATOM 58 N ALA A 30 32.644 -48.239-122.759 1.00 21.04 ATOM 59 CA ALA A 30 33.418 -47.292-123.555 1.00 16.60 ATOM 60 C ALA A 30 34.563 -47.988-124.279 1.00 17.66 ATOM 61 O ALA A 30 34.817 -47.719-125.459 1.00 19.28 ATOM 62 CB ALA A 30 33.946 -46.169-122.663 1.00 20.51 ATOM 63 N ASN A 31 35.263 -48.894-123.589 1.00 18.21 ATOM 64 CA ASN A 31 36.331 -49.649-124.238 1.00 18.83 ATOM 65 C ASN A 31 35.779 -50.565-125.322 1.00 18.77 ATOM 66 O ASN A 31 36.375 -50.696-126.397 1.00 18.90 ATOM 67 CB ASN A 31 37.111 -50.463-123.203 1.00 20.49 ATOM 68 CG ASN A 31 38.112 -49.624-122.433 1.00 29.63 ATOM 69 OD1 ASN A 31 39.152 -49.236-122.964 1.00 35.94 ATOM 70 ND2 ASN A 31 37.813 -49.357-121.170 1.00 25.15 ATOM 71 N ILE A 32 34.641 -51.209-125.058 1.00 17.30 ATOM 72 CA ILE A 32 34.074 -52.137-126.031 1.00 19.36 ATOM 73 C ILE A 32 33.650 -51.397-127.292 1.00 19.13 ATOM 74 O ILE A 32 33.874 -51.871-128.411 1.00 14.65 ATOM 75 CB ILE A 32 32.898 -52.910-125.408 1.00 18.15 ATOM 76 CG1 ILE A 32 33.379 -53.738-124.214 1.00 23.09 ATOM 77 CG2 ILE A 32 32.233 -53.792-126.455 1.00 27.33 ATOM 78 CD1 ILE A 32 32.290 -54.561-123.565 1.00 24.37 ATOM 79 N ILE A 33 33.030 -50.228-127.133 1.00 15.11 ATOM 80 CA ILE A 33 32.587 -49.463-128.294 1.00 16.64 ATOM 81 C ILE A 33 33.784 -48.988-129.108 1.00 18.04 ATOM 82 O ILE A 33 33.843 -49.181-130.328 1.00 19.59 ATOM 83 CB ILE A 33 31.701 -48.286-127.851 1.00 19.33 ATOM 84 CG1 ILE A 33 30.426 -48.804-127.182 1.00 21.88 ATOM 85 CG2 ILE A 33 31.369 -47.394-129.038 1.00 18.71 ATOM 86 CD1 ILE A 33 29.646 -49.771-128.040 1.00 26.34 ATOM 87 N GLY A 34 34.758 -48.362-128.444 1.00 15.15 ATOM 88 CA GLY A 34 35.925 -47.867-129.157 1.00 19.04 ATOM 89 C GLY A 34 36.724 -48.970-129.826 1.00 17.30 ATOM 90 O GLY A 34 37.193 -48.810-130.955 1.00 17.81 ATOM 91 N ILE A 35 36.888 -50.105-129.142 1.00 19.28 ATOM 92 CA ILE A 35 37.646 -51.218-129.712 1.00 19.25 ATOM 93 C ILE A 35 36.921 -51.797-130.922 1.00 15.97 ATOM 94 O ILE A 35 37.532 -52.064-131.965 1.00 16.25 ATOM 95 CB ILE A 35 37.902 -52.297-128.643 1.00 21.34 ATOM 96 CG1 ILE A 35 38.791 -51.744-127.527 1.00 26.79 ATOM 97 CG2 ILE A 35 38.534 -53.525-129.274 1.00 23.04 ATOM 98 CD1 ILE A 35 38.891 -52.654-126.317 1.00 28.66 ATOM 99 N LEU A 36 35.612 -52.024-130.796 1.00 20.85 ATOM 100 CA LEU A 36 34.839 -52.523-131.929 1.00 19.78 ATOM 101 C LEU A 36 34.910 -51.553-133.100 1.00 18.75 ATOM 102 O LEU A 36 35.097 -51.960-134.253 1.00 18.11 ATOM 103 CB LEU A 36 33.386 -52.759-131.512 1.00 20.54 ATOM 104 CG LEU A 36 32.438 -53.170-132.644 1.00 26.40 ATOM 105 CD1 LEU A 36 32.863 -54.504-133.244 1.00 28.25 ATOM 106 CD2 LEU A 36 30.995 -53.227-132.161 1.00 28.18 ATOM 107 N HIS A 37 34.761 -50.256-132.818 1.00 18.04 ATOM 108 CA HIS A 37 34.772 -49.253-133.879 1.00 17.01 ATOM 109 C HIS A 37 36.117 -49.227-134.590 1.00 17.65 ATOM 110 O HIS A 37 36.187 -49.175-135.823 1.00 15.78 ATOM 111 CB HIS A 37 34.440 -47.878-133.296 1.00 16.85 ATOM 112 CG HIS A 37 34.190 -46.827-134.331 1.00 20.98 ATOM 113 ND1 HIS A 37 33.860 -45.530-134.003 1.00 20.56 ATOM 114 CD2 HIS A 37 34.221 -46.877-135.684 1.00 19.67 ATOM 115 CE1 HIS A 37 33.698 -44.826-135.109 1.00 17.98 ATOM 116 NE2 HIS A 37 33.910 -45.619-136.143 1.00 17.08 ATOM 117 N LEU A 38 37.204 -49.269-133.820 1.00 17.64 ATOM 118 CA LEU A 38 38.530 -49.273-134.424 1.00 20.64 ATOM 119 C LEU A 38 38.734 -50.513-135.288 1.00 16.50 ATOM 120 O LEU A 38 39.226 -50.419-136.418 1.00 16.34 ATOM 121 CB LEU A 38 39.591 -49.184-133.327 1.00 18.11 ATOM 122 CG LEU A 38 41.067 -49.313-133.706 1.00 20.25 ATOM 123 CD1 LEU A 38 41.460 -48.275-134.735 1.00 16.45 ATOM 124 CD2 LEU A 38 41.931 -49.188-132.458 1.00 18.78 ATOM 125 N ILE A 39 38.335 -51.681-134.782 1.00 19.46 ATOM 126 CA ILE A 39 38.518 -52.925-135.527 1.00 20.51 ATOM 127 C ILE A 39 37.709 -52.898-136.817 1.00 19.19 ATOM 128 O ILE A 39 38.225 -53.193-137.902 1.00 19.55 ATOM 129 CB ILE A 39 38.139 -54.133-134.652 1.00 16.88 ATOM 130 CG1 ILE A 39 39.084 -54.239-133.453 1.00 21.84 ATOM 131 CG2 ILE A 39 38.155 -55.418-135.471 1.00 27.66 ATOM 132 CD1 ILE A 39 38.700 -55.324-132.468 1.00 27.29 ATOM 133 N LEU A 40 36.422 -52.554-136.716 1.00 18.71 ATOM 134 CA LEU A 40 35.574 -52.518-137.902 1.00 19.55 ATOM 135 C LEU A 40 36.150 -51.589-138.961 1.00 18.93 ATOM 136 O LEU A 40 36.161 -51.924-140.152 1.00 21.68 ATOM 137 CB LEU A 40 34.155 -52.087-137.526 1.00 16.40 ATOM 138 CG LEU A 40 33.320 -53.067-136.699 1.00 24.52 ATOM 139 CD1 LEU A 40 31.917 -52.525-136.474 1.00 18.47 ATOM 140 CD2 LEU A 40 33.266 -54.426-137.377 1.00 21.86 ATOM 141 N TRP A 41 36.639 -50.418-138.547 1.00 16.98 ATOM 142 CA TRP A 41 37.187 -49.466-139.506 1.00 16.82 ATOM 143 C TRP A 41 38.433 -50.019-140.185 1.00 19.20 ATOM 144 O TRP A 41 38.588 -49.893-141.405 1.00 18.74 ATOM 145 CB TRP A 41 37.496 -48.139-138.812 1.00 17.93 ATOM 146 CG TRP A 41 38.157 -47.144-139.719 1.00 20.86 ATOM 147 CD1 TRP A 41 37.560 -46.401-140.697 1.00 22.84 ATOM 148 CD2 TRP A 41 39.545 -46.789-139.737 1.00 20.43 ATOM 149 NE1 TRP A 41 38.489 -45.604-141.320 1.00 22.54 ATOM 150 CE2 TRP A 41 39.715 -45.823-140.749 1.00 20.98 ATOM 151 CE3 TRP A 41 40.658 -47.191-138.994 1.00 19.10 ATOM 152 CZ2 TRP A 41 40.954 -45.257-141.038 1.00 17.36 ATOM 153 CZ3 TRP A 41 41.888 -46.626-139.283 1.00 18.52 ATOM 154 CH2 TRP A 41 42.025 -45.671-140.297 1.00 20.79 ATOM 155 N ILE A 42 39.332 -50.632-139.413 1.00 19.45 ATOM 156 CA ILE A 42 40.546 -51.201-139.995 1.00 21.35 ATOM 157 C ILE A 42 40.191 -52.305-140.984 1.00 19.95 ATOM 158 O ILE A 42 40.649 -52.308-142.133 1.00 26.24 ATOM 159 CB ILE A 42 41.482 -51.711-138.886 1.00 21.02 ATOM 160 CG1 ILE A 42 42.013 -50.537-138.054 1.00 19.50 ATOM 161 CG2 ILE A 42 42.627 -52.526-139.484 1.00 25.27 ATOM 162 CD1 ILE A 42 42.706 -50.962-136.773 1.00 21.66 ATOM 163 N LEU A 43 39.360 -53.256-140.555 1.00 18.36 ATOM 164 CA LEU A 43 38.983 -54.352-141.440 1.00 20.39 ATOM 165 C LEU A 43 38.272 -53.847-142.687 1.00 24.06 ATOM 166 O LEU A 43 38.424 -54.428-143.768 1.00 22.29 ATOM 167 CB LEU A 43 38.107 -55.351-140.689 1.00 18.03 ATOM 168 CG LEU A 43 38.840 -56.051-139.545 1.00 19.06 ATOM 169 CD1 LEU A 43 37.968 -57.117-138.906 1.00 22.90 ATOM 170 CD2 LEU A 43 40.146 -56.645-140.055 1.00 31.53 ATOM 171 N ASP A 44 37.493 -52.770-142.561 1.00 21.66 ATOM 172 CA ASP A 44 36.848 -52.190-143.733 1.00 20.95 ATOM 173 C ASP A 44 37.877 -51.616-144.701 1.00 26.79 ATOM 174 O ASP A 44 37.729 -51.743-145.923 1.00 22.58 ATOM 175 CB ASP A 44 35.854 -51.113-143.303 1.00 24.73 ATOM 176 CG ASP A 44 35.130 -50.489-144.476 1.00 28.96 ATOM 177 OD1 ASP A 44 35.112 -51.108-145.560 1.00 28.99 ATOM 178 OD2 ASP A 44 34.589 -49.373-144.316 1.00 31.97 ATOM 179 N ARG A 45 38.931 -50.993-144.172 1.00 27.30 ATOM 180 CA ARG A 45 39.972 -50.436-145.024 1.00 28.04 ATOM 181 C ARG A 45 40.904 -51.508-145.572 1.00 33.17 ATOM 182 O ARG A 45 41.467 -51.331-146.658 1.00 40.24 ATOM 183 CB ARG A 45 40.772 -49.388-144.252 1.00 27.84 ATOM 184 CG ARG A 45 40.033 -48.068-144.049 1.00 27.60 ATOM 185 CD ARG A 45 39.872 -47.307-145.360 1.00 32.03 ATOM 186 NE ARG A 45 41.135 -46.732-145.818 1.00 35.87 ATOM 187 CZ ARG A 45 41.826 -47.173-146.865 1.00 38.36 ATOM 188 NH1 ARG A 45 41.381 -48.200-147.579 1.00 39.55 ATOM 189 NH2 ARG A 45 42.967 -46.585-147.198 1.00 35.85 ATOM 190 N LEU A 46 41.083 -52.615-144.853 1.00 24.97 ATOM 191 CA LEU A 46 41.975 -53.682-145.307 1.00 31.80 ATOM 192 C LEU A 46 41.258 -54.689-146.194 1.00 35.21 ATOM 193 O LEU A 46 40.088 -55.010-145.974 1.00 39.35 ATOM 194 CB LEU A 46 42.600 -54.414-144.122 1.00 27.37 ATOM 195 CG LEU A 46 43.467 -53.600-143.167 1.00 26.80 ATOM 196 CD1 LEU A 46 44.159 -54.538-142.205 1.00 37.16 ATOM 197 CD2 LEU A 46 44.474 -52.741-143.923 1.00 36.86 ATOM 198 N NH2 A 47 41.973 -55.192-147.194 1.00 35.05 ATOM 199 CA CA A 101 35.358 -52.335-147.428 1.00 50.63 ATOM 200 CA CA A 101 45.090 -43.964-147.258 1.00 48.15 TER