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; COMPND 13 MOL_ID: 1; COMPND 14 Matrix protein 2; COMPND 15 CHAIN: A, B, C, D, E, F, G, H; COMPND 16 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.06 ANGSTORMS DBREF 6MJH D 22 46 UNP A0A0R5TV A0A0R5TVW3_ 20 44 DBREF 6MJH E 22 46 UNP A0A0R5TV A0A0R5TVW3_ 20 44 DBREF 6MJH G 22 46 UNP A0A0R5TV A0A0R5TVW3_ 20 44 DBREF 6MJH H 22 46 UNP A0A0R5TV A0A0R5TVW3_ 20 44 SEQRES 1 H 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA ASN ILE ILE SEQRES 2 H 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 H 27 NH2 ATOM 1 C ACE H 21 50.740 -57.093-112.879 1.00 26.12 ATOM 2 O ACE H 21 50.577 -55.896-113.112 1.00 28.13 ATOM 3 CH3 ACE H 21 49.645 -57.961-112.337 1.00 20.79 ATOM 4 N SER H 22 51.893 -57.715-113.097 1.00 19.55 ATOM 5 CA SER H 22 53.059 -57.018-113.622 1.00 18.97 ATOM 6 C SER H 22 53.942 -57.993-114.386 1.00 17.55 ATOM 7 O SER H 22 53.828 -59.206-114.221 1.00 18.20 ATOM 8 CB SER H 22 53.847 -56.350-112.492 1.00 19.78 ATOM 9 OG SER H 22 54.146 -57.275-111.461 1.00 18.53 ATOM 10 N SER H 23 54.819 -57.454-115.229 1.00 21.56 ATOM 11 CA SER H 23 55.623 -58.258-116.135 1.00 20.63 ATOM 12 C SER H 23 57.079 -57.816-116.080 1.00 21.81 ATOM 13 O SER H 23 57.411 -56.737-115.583 1.00 22.08 ATOM 14 CB SER H 23 55.107 -58.150-117.578 1.00 20.20 ATOM 15 OG SER H 23 53.728 -58.469-117.654 1.00 21.42 ATOM 16 N ASP H 24 57.943 -58.673-116.605 1.00 23.55 ATOM 17 CA ASP H 24 59.345 -58.325-116.754 1.00 21.62 ATOM 18 C ASP H 24 59.470 -57.099-117.657 1.00 19.69 ATOM 19 O ASP H 24 58.813 -57.042-118.706 1.00 19.34 ATOM 20 CB ASP H 24 60.111 -59.509-117.344 1.00 24.45 ATOM 21 CG ASP H 24 61.608 -59.274-117.399 1.00 30.84 ATOM 22 OD1 ASP H 24 62.032 -58.188-117.849 1.00 31.74 ATOM 23 OD2 ASP H 24 62.364 -60.181-116.991 1.00 37.74 ATOM 24 N PRO H 25 60.281 -56.102-117.291 1.00 21.50 ATOM 25 CA PRO H 25 60.433 -54.925-118.165 1.00 24.34 ATOM 26 C PRO H 25 60.799 -55.268-119.596 1.00 23.01 ATOM 27 O PRO H 25 60.398 -54.548-120.520 1.00 24.30 ATOM 28 CB PRO H 25 61.547 -54.127-117.476 1.00 29.76 ATOM 29 CG PRO H 25 61.444 -54.509-116.043 1.00 26.65 ATOM 30 CD PRO H 25 61.048 -55.957-116.041 1.00 24.64 ATOM 31 N LEU H 26 61.560 -56.342-119.811 1.00 22.79 ATOM 32 CA LEU H 26 61.872 -56.767-121.171 1.00 22.58 ATOM 33 C LEU H 26 60.611 -57.182-121.919 1.00 21.63 ATOM 34 O LEU H 26 60.472 -56.911-123.117 1.00 23.90 ATOM 35 CB LEU H 26 62.884 -57.911-121.133 1.00 26.23 ATOM 36 CG LEU H 26 63.300 -58.532-122.466 1.00 28.34 ATOM 37 CD1 LEU H 26 63.915 -57.498-123.391 1.00 30.26 ATOM 38 CD2 LEU H 26 64.275 -59.664-122.213 1.00 29.07 ATOM 39 N VAL H 27 59.677 -57.840-121.229 1.00 24.27 ATOM 40 CA VAL H 27 58.432 -58.257-121.868 1.00 23.19 ATOM 41 C VAL H 27 57.554 -57.047-122.163 1.00 18.51 ATOM 42 O VAL H 27 56.967 -56.939-123.246 1.00 21.11 ATOM 43 CB VAL H 27 57.710 -59.291-120.984 1.00 18.76 ATOM 44 CG1 VAL H 27 56.328 -59.618-121.533 1.00 21.96 ATOM 45 CG2 VAL H 27 58.544 -60.558-120.877 1.00 20.28 ATOM 46 N VAL H 28 57.445 -56.120-121.207 1.00 19.82 ATOM 47 CA VAL H 28 56.671 -54.898-121.426 1.00 21.53 ATOM 48 C VAL H 28 57.150 -54.200-122.693 1.00 23.38 ATOM 49 O VAL H 28 56.375 -53.954-123.625 1.00 24.23 ATOM 50 CB VAL H 28 56.772 -53.967-120.204 1.00 26.64 ATOM 51 CG1 VAL H 28 55.990 -52.678-120.439 1.00 25.49 ATOM 52 CG2 VAL H 28 56.262 -54.668-118.953 1.00 19.05 ATOM 53 N ALA H 29 58.446 -53.878-122.746 1.00 18.43 ATOM 54 CA ALA H 29 58.997 -53.201-123.916 1.00 26.96 ATOM 55 C ALA H 29 58.747 -54.001-125.189 1.00 24.05 ATOM 56 O ALA H 29 58.367 -53.436-126.222 1.00 24.57 ATOM 57 CB ALA H 29 60.495 -52.960-123.725 1.00 24.91 ATOM 58 N ALA H 30 58.962 -55.318-125.138 1.00 25.05 ATOM 59 CA ALA H 30 58.749 -56.148-126.320 1.00 23.79 ATOM 60 C ALA H 30 57.310 -56.049-126.809 1.00 22.70 ATOM 61 O ALA H 30 57.060 -55.959-128.017 1.00 18.77 ATOM 62 CB ALA H 30 59.107 -57.601-126.008 1.00 26.10 ATOM 63 N ASN H 31 56.349 -56.067-125.883 1.00 19.18 ATOM 64 CA ASN H 31 54.945 -55.989-126.273 1.00 27.55 ATOM 65 C ASN H 31 54.600 -54.611-126.823 1.00 22.65 ATOM 66 O ASN H 31 53.796 -54.495-127.756 1.00 29.50 ATOM 67 CB ASN H 31 54.055 -56.340-125.082 1.00 21.55 ATOM 68 CG ASN H 31 53.881 -57.840-124.910 1.00 28.09 ATOM 69 OD1 ASN H 31 52.845 -58.398-125.270 1.00 29.07 ATOM 70 ND2 ASN H 31 54.902 -58.501-124.371 1.00 23.96 ATOM 71 N ILE H 32 55.188 -53.554-126.259 1.00 25.44 ATOM 72 CA ILE H 32 55.030 -52.222-126.838 1.00 22.69 ATOM 73 C ILE H 32 55.551 -52.212-128.270 1.00 20.11 ATOM 74 O ILE H 32 54.884 -51.728-129.192 1.00 20.71 ATOM 75 CB ILE H 32 55.746 -51.169-125.971 1.00 24.14 ATOM 76 CG1 ILE H 32 55.090 -51.079-124.592 1.00 24.85 ATOM 77 CG2 ILE H 32 55.725 -49.793-126.656 1.00 24.94 ATOM 78 CD1 ILE H 32 55.863 -50.241-123.590 1.00 22.04 ATOM 79 N ILE H 33 56.756 -52.750-128.474 1.00 22.78 ATOM 80 CA ILE H 33 57.338 -52.812-129.812 1.00 21.50 ATOM 81 C ILE H 33 56.426 -53.595-130.748 1.00 22.06 ATOM 82 O ILE H 33 56.184 -53.185-131.890 1.00 23.30 ATOM 83 CB ILE H 33 58.750 -53.426-129.745 1.00 23.77 ATOM 84 CG1 ILE H 33 59.685 -52.511-128.951 1.00 25.95 ATOM 85 CG2 ILE H 33 59.315 -53.660-131.143 1.00 23.00 ATOM 86 CD1 ILE H 33 60.984 -53.171-128.539 1.00 25.66 ATOM 87 N GLY H 34 55.907 -54.732-130.281 1.00 18.24 ATOM 88 CA GLY H 34 54.990 -55.508-131.100 1.00 20.08 ATOM 89 C GLY H 34 53.794 -54.695-131.557 1.00 22.89 ATOM 90 O GLY H 34 53.409 -54.736-132.728 1.00 23.75 ATOM 91 N ILE H 35 53.191 -53.939-130.637 1.00 19.03 ATOM 92 CA ILE H 35 52.044 -53.084-130.924 1.00 22.28 ATOM 93 C ILE H 35 52.412 -52.031-131.961 1.00 20.39 ATOM 94 O ILE H 35 51.592 -51.669-132.813 1.00 22.45 ATOM 95 CB ILE H 35 51.509 -52.453-129.625 1.00 21.98 ATOM 96 CG1 ILE H 35 50.804 -53.521-128.784 1.00 26.76 ATOM 97 CG2 ILE H 35 50.544 -51.308-129.930 1.00 25.19 ATOM 98 CD1 ILE H 35 49.857 -54.412-129.566 1.00 28.35 ATOM 99 N LEU H 36 53.602 -51.454-131.788 1.00 19.77 ATOM 100 CA LEU H 36 54.085 -50.457-132.737 1.00 21.32 ATOM 101 C LEU H 36 54.226 -51.062-134.127 1.00 19.47 ATOM 102 O LEU H 36 53.799 -50.468-135.124 1.00 21.87 ATOM 103 CB LEU H 36 55.418 -49.881-132.254 1.00 23.25 ATOM 104 CG LEU H 36 56.139 -48.907-133.192 1.00 29.79 ATOM 105 CD1 LEU H 36 55.304 -47.668-133.445 1.00 26.03 ATOM 106 CD2 LEU H 36 57.490 -48.529-132.619 1.00 30.68 ATOM 107 N HIS H 37 54.826 -52.251-134.210 1.00 18.88 ATOM 108 CA HIS H 37 54.960 -52.925-135.495 1.00 18.52 ATOM 109 C HIS H 37 53.602 -53.105-136.159 1.00 20.10 ATOM 110 O HIS H 37 53.457 -52.883-137.368 1.00 27.79 ATOM 111 CB HIS H 37 55.649 -54.278-135.303 1.00 26.47 ATOM 112 CG HIS H 37 55.871 -55.029-136.578 1.00 27.24 ATOM 113 ND1 HIS H 37 55.910 -56.405-136.634 1.00 36.72 ATOM 114 CD2 HIS H 37 56.067 -54.595-137.845 1.00 28.88 ATOM 115 CE1 HIS H 37 56.119 -56.786-137.882 1.00 35.50 ATOM 116 NE2 HIS H 37 56.219 -55.707-138.636 1.00 30.74 ATOM 117 N LEU H 38 52.592 -53.500-135.384 1.00 18.91 ATOM 118 CA LEU H 38 51.251 -53.642-135.938 1.00 25.66 ATOM 119 C LEU H 38 50.727 -52.304-136.443 1.00 21.83 ATOM 120 O LEU H 38 50.236 -52.203-137.573 1.00 26.58 ATOM 121 CB LEU H 38 50.309 -54.230-134.885 1.00 24.18 ATOM 122 CG LEU H 38 48.848 -54.401-135.309 1.00 26.29 ATOM 123 CD1 LEU H 38 48.728 -55.226-136.582 1.00 27.28 ATOM 124 CD2 LEU H 38 48.049 -55.045-134.187 1.00 31.88 ATOM 125 N ILE H 39 50.825 -51.259-135.616 1.00 22.72 ATOM 126 CA ILE H 39 50.365 -49.934-136.030 1.00 27.52 ATOM 127 C ILE H 39 51.043 -49.526-137.334 1.00 27.23 ATOM 128 O ILE H 39 50.391 -49.068-138.280 1.00 27.09 ATOM 129 CB ILE H 39 50.617 -48.903-134.912 1.00 22.15 ATOM 130 CG1 ILE H 39 49.732 -49.205-133.702 1.00 20.55 ATOM 131 CG2 ILE H 39 50.339 -47.483-135.403 1.00 20.73 ATOM 132 CD1 ILE H 39 50.164 -48.507-132.430 1.00 29.45 ATOM 133 N LEU H 40 52.366 -49.691-137.404 1.00 25.06 ATOM 134 CA LEU H 40 53.162 -49.375-138.584 1.00 26.00 ATOM 135 C LEU H 40 52.643 -50.112-139.811 1.00 29.06 ATOM 136 O LEU H 40 52.580 -49.541-140.907 1.00 22.27 ATOM 137 CB LEU H 40 54.630 -49.716-138.337 1.00 24.85 ATOM 138 CG LEU H 40 55.423 -48.704-137.502 1.00 33.39 ATOM 139 CD1 LEU H 40 56.909 -48.831-137.794 1.00 37.30 ATOM 140 CD2 LEU H 40 54.952 -47.272-137.759 1.00 34.06 ATOM 141 N TRP H 41 52.417 -51.414-139.622 1.00 27.18 ATOM 142 CA TRP H 41 51.965 -52.229-140.744 1.00 31.06 ATOM 143 C TRP H 41 50.586 -51.790-141.220 1.00 29.83 ATOM 144 O TRP H 41 50.329 -51.722-142.428 1.00 33.65 ATOM 145 CB TRP H 41 51.952 -53.705-140.349 1.00 33.56 ATOM 146 CG TRP H 41 51.286 -54.583-141.360 1.00 34.06 ATOM 147 CD1 TRP H 41 51.895 -55.323-142.329 1.00 42.75 ATOM 148 CD2 TRP H 41 49.881 -54.813-141.501 1.00 36.70 ATOM 149 NE1 TRP H 41 50.955 -56.001-143.067 1.00 47.30 ATOM 150 CE2 TRP H 41 49.710 -55.704-142.578 1.00 46.90 ATOM 151 CE3 TRP H 41 48.750 -54.351-140.823 1.00 42.45 ATOM 152 CZ2 TRP H 41 48.454 -56.143-142.993 1.00 45.76 ATOM 153 CZ3 TRP H 41 47.502 -54.788-141.236 1.00 49.50 ATOM 154 CH2 TRP H 41 47.366 -55.675-142.310 1.00 47.40 ATOM 155 N ILE H 42 49.683 -51.444-140.300 1.00 31.33 ATOM 156 CA ILE H 42 48.375 -50.937-140.703 1.00 33.24 ATOM 157 C ILE H 42 48.530 -49.626-141.464 1.00 27.93 ATOM 158 O ILE H 42 47.898 -49.417-142.506 1.00 32.01 ATOM 159 CB ILE H 42 47.460 -50.781-139.473 1.00 27.52 ATOM 160 CG1 ILE H 42 47.144 -52.154-138.875 1.00 23.78 ATOM 161 CG2 ILE H 42 46.160 -50.069-139.847 1.00 29.40 ATOM 162 CD1 ILE H 42 46.532 -52.102-137.494 1.00 22.38 ATOM 163 N LEU H 43 49.378 -48.725-140.961 1.00 27.97 ATOM 164 CA LEU H 43 49.599 -47.456-141.646 1.00 32.34 ATOM 165 C LEU H 43 50.203 -47.663-143.028 1.00 34.02 ATOM 166 O LEU H 43 49.969 -46.855-143.934 1.00 33.26 ATOM 167 CB LEU H 43 50.497 -46.553-140.802 1.00 31.07 ATOM 168 CG LEU H 43 49.747 -45.491-139.996 1.00 31.64 ATOM 169 CD1 LEU H 43 50.629 -44.903-138.906 1.00 36.03 ATOM 170 CD2 LEU H 43 49.242 -44.394-140.915 1.00 34.55 ATOM 171 N ASP H 44 50.977 -48.735-143.212 1.00 35.48 ATOM 172 CA ASP H 44 51.528 -49.072-144.519 1.00 36.26 ATOM 173 C ASP H 44 50.422 -49.451-145.497 1.00 37.40 ATOM 174 O ASP H 44 50.454 -49.050-146.666 1.00 36.37 ATOM 175 CB ASP H 44 52.542 -50.207-144.381 1.00 37.38 ATOM 176 CG ASP H 44 53.377 -50.400-145.633 1.00 38.13 ATOM 177 OD1 ASP H 44 54.051 -49.440-146.060 1.00 44.65 ATOM 178 OD2 ASP H 44 53.369 -51.520-146.185 1.00 50.21 ATOM 179 N ARG H 45 49.471 -50.273-145.055 1.00 33.82 ATOM 180 CA ARG H 45 48.470 -50.665-146.035 1.00 34.79 ATOM 181 C ARG H 45 47.392 -49.601-146.193 1.00 37.80 ATOM 182 O ARG H 45 46.845 -49.440-147.289 1.00 39.16 ATOM 183 CB ARG H 45 47.853 -52.012-145.645 1.00 44.04 ATOM 184 CG ARG H 45 48.876 -53.137-145.466 1.00 42.91 ATOM 185 CD ARG H 45 49.135 -53.868-146.781 1.00 43.79 ATOM 186 NE ARG H 45 48.084 -54.834-147.096 1.00 51.31 ATOM 187 CZ ARG H 45 46.914 -54.515-147.641 1.00 54.82 ATOM 188 NH1 ARG H 45 46.630 -53.249-147.918 1.00 51.27 ATOM 189 NH2 ARG H 45 46.021 -55.462-147.898 1.00 55.54 ATOM 190 N LEU H 46 47.177 -48.727-145.214 1.00 34.43 ATOM 191 CA LEU H 46 46.236 -47.637-145.470 1.00 39.61 ATOM 192 C LEU H 46 46.849 -46.587-146.392 1.00 40.29 ATOM 193 O LEU H 46 47.958 -46.103-146.150 1.00 37.27 ATOM 194 CB LEU H 46 45.794 -46.980-144.160 1.00 33.34 ATOM 195 CG LEU H 46 44.913 -47.790-143.209 1.00 29.76 ATOM 196 CD1 LEU H 46 45.120 -47.311-141.785 1.00 29.26 ATOM 197 CD2 LEU H 46 43.454 -47.667-143.601 1.00 34.78 ATOM 198 N NH2 H 47 46.035 -46.213-147.374 1.00 43.09 ATOM 199 CA CA H 101 45.090 -43.964-147.258 1.00 48.15 ATOM 200 CA CA H 101 54.198 -61.397-113.242 1.00 18.94 ATOM 201 CL CL H 101 54.121 -61.421-118.324 1.00 23.35 TER