Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 3tpj_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): VAL 5.A N GLY 2.A O no hydrogen 3.166 N/A MET 7.A N PHE 4.A O no hydrogen 2.942 N/A VAL 8.A N VAL 5.A O no hydrogen 3.165 N/A ASP 9.A N SER 167.A OG no hydrogen 2.828 N/A ASN 10.A ND2 HIS 94.A O no hydrogen 2.960 N/A ASN 10.A ND2 MET 168.A O no hydrogen 2.985 N/A LEU 11.A N GLY 166.A O no hydrogen 2.956 N/A ARG 12.A N TYR 20.A O no hydrogen 3.048 N/A ARG 12.A NH1 ASP 9.A OD1 no hydrogen 2.748 N/A ARG 12.A NH1 LEU 11.A O no hydrogen 2.736 N/A ARG 12.A NH2 ASP 9.A OD1 no hydrogen 3.497 N/A ARG 12.A NH2 ASP 9.A OD2 no hydrogen 2.878 N/A GLN 17.A N LYS 14.A O no hydrogen 2.887 N/A TYR 19.A OH GLU 330.A OE2 no hydrogen 2.669 N/A TYR 20.A N ARG 12.A O no hydrogen 2.781 N/A VAL 21.A N ILE 34.A O no hydrogen 2.902 N/A MET 23.A N LEU 32.A O no hydrogen 2.929 N/A THR 24.A N SER 91.A O no hydrogen 2.783 N/A THR 24.A OG1 THR 31.A OG1 no hydrogen 2.746 N/A VAL 25.A N GLN 30.A O no hydrogen 2.762 N/A GLY 26.A N LEU 89.A O no hydrogen 2.864 N/A SER 27.A N SER 62.A OG no hydrogen 3.149 N/A GLN 30.A N VAL 25.A O no hydrogen 2.915 N/A GLN 30.A NE2 GLN 58.A O no hydrogen 2.968 N/A THR 31.A OG1 THR 24.A OG1 no hydrogen 2.746 N/A LEU 32.A N MET 23.A O no hydrogen 2.851 N/A ASN 33.A N GLU 121.A OE1 no hydrogen 2.904 N/A ASN 33.A ND2 ASN 119.A O no hydrogen 2.936 N/A ILE 34.A N VAL 21.A O no hydrogen 2.829 N/A LEU 35.A N GLY 122.A O no hydrogen 2.833 N/A VAL 36.A N TYR 19.A O no hydrogen 2.860 N/A ASP 37.A N LEU 124.A O no hydrogen 3.021 N/A THR 38.A N SER 223.A OG no hydrogen 2.883 N/A THR 38.A OG1 VAL 221.A O no hydrogen 2.980 N/A GLY 39.A N ASP 37.A OD1 no hydrogen 2.976 N/A SER 40.A OG ASP 37.A OD2 no hydrogen 2.625 N/A SER 41.A OG TYR 128.A O no hydrogen 2.710 N/A ASN 42.A ND2 ARG 133.A O no hydrogen 2.822 N/A ALA 44.A N ILE 123.A O no hydrogen 2.967 N/A VAL 45.A N ALA 105.A O no hydrogen 2.818 N/A GLY 46.A N GLU 121.A O no hydrogen 2.821 N/A ALA 47.A N ILE 107.A O no hydrogen 2.925 N/A PHE 52.A N HIS 50.A ND1 no hydrogen 3.045 N/A LEU 53.A N HIS 50.A O no hydrogen 3.023 N/A TYR 57.A N GLY 46.A O no hydrogen 2.806 N/A TYR 57.A OH ASP 88.A OD2 no hydrogen 2.604 N/A GLN 58.A N GLN 30.A OE1 no hydrogen 2.807 N/A ARG 59.A NH1 GLU 84.A OE2 no hydrogen 2.744 N/A ARG 59.A NH2 GLU 84.A OE2 no hydrogen 3.343 N/A GLN 60.A N GLN 60.A OE1 no hydrogen 2.759 N/A LEU 61.A N GLN 58.A O no hydrogen 3.060 N/A SER 62.A N ARG 59.A O no hydrogen 3.041 N/A SER 62.A OG ASP 88.A OD1 no hydrogen 3.385 N/A SER 62.A OG ASP 88.A OD2 no hydrogen 2.675 N/A SER 63.A N SER 27.A O no hydrogen 2.783 N/A SER 63.A OG SER 27.A O no hydrogen 3.501 N/A THR 64.A OG1 SER 62.A OG no hydrogen 3.263 N/A THR 64.A OG1 ASP 88.A OD1 no hydrogen 2.667 N/A TYR 65.A N SER 62.A O no hydrogen 3.339 N/A ARG 66.A N THR 87.A O no hydrogen 2.864 N/A LEU 68.A N LEU 85.A O no hydrogen 2.992 N/A ARG 69.A N ASP 67.A OD1 no hydrogen 2.804 N/A VAL 72.A N GLY 83.A O no hydrogen 2.952 N/A VAL 74.A N TRP 81.A O no hydrogen 3.007 N/A TYR 76.A N GLY 79.A O no hydrogen 2.568 N/A ALA 80.A N ASP 111.A O no hydrogen 3.030 N/A TRP 81.A N VAL 74.A O no hydrogen 3.018 N/A TRP 81.A NE1 TYR 76.A OH no hydrogen 3.055 N/A ALA 82.A N GLU 109.A O no hydrogen 2.858 N/A GLY 83.A N VAL 72.A O no hydrogen 2.814 N/A GLU 84.A N ALA 106.A O no hydrogen 2.991 N/A LEU 85.A N LYS 70.A O no hydrogen 2.819 N/A GLY 86.A N ILE 104.A O no hydrogen 3.001 N/A THR 87.A N ARG 66.A O no hydrogen 2.797 N/A ASP 88.A N ALA 102.A O no hydrogen 3.186 N/A LEU 89.A N ASP 88.A OD1 no hydrogen 2.788 N/A VAL 90.A N VAL 100.A O no hydrogen 2.764 N/A SER 91.A N THR 24.A O no hydrogen 2.908 N/A SER 91.A OG.A THR 99.A OG1 no hydrogen 2.729 N/A GLY 95.A N ILE 92.A O no hydrogen 2.839 N/A THR 99.A OG1 SER 91.A OG.A no hydrogen 2.729 N/A VAL 100.A N VAL 90.A O no hydrogen 2.981 N/A ARG 101.A N GLN 148.A OE1 no hydrogen 3.023 N/A ARG 101.A NH1 THR 64.A O no hydrogen 2.974 N/A ARG 101.A NH1 THR 87.A OG1 no hydrogen 2.945 N/A ARG 101.A NH2 THR 64.A O no hydrogen 2.887 N/A ALA 102.A N ASP 88.A O no hydrogen 3.007 N/A ASN 103.A ND2 GLU 139.A O no hydrogen 2.913 N/A ILE 104.A N GLY 86.A O no hydrogen 2.843 N/A ALA 105.A N PHE 43.A O no hydrogen 2.927 N/A ALA 106.A N GLU 84.A O no hydrogen 2.814 N/A ILE 107.A N VAL 45.A O no hydrogen 2.745 N/A THR 108.A N ALA 82.A O no hydrogen 2.954 N/A THR 108.A OG1 ALA 82.A O no hydrogen 3.397 N/A GLU 109.A N ALA 82.A O no hydrogen 3.298 N/A ASP 111.A N ALA 80.A O no hydrogen 2.829 N/A SER 118.A N ILE 115.A O no hydrogen 3.105 N/A SER 118.A OG ILE 115.A O no hydrogen 2.994 N/A TRP 120.A N SER 118.A OG no hydrogen 3.305 N/A TRP 120.A NE1 GLN 17.A O no hydrogen 2.822 N/A GLU 121.A N ASN 33.A O no hydrogen 2.736 N/A ILE 123.A N ALA 44.A O no hydrogen 2.747 N/A LEU 124.A N LEU 35.A O no hydrogen 2.747 N/A GLY 125.A N ASN 42.A O no hydrogen 2.933 N/A LEU 126.A N ASP 37.A O no hydrogen 2.918 N/A ALA 127.A N SER 40.A O no hydrogen 2.853 N/A TYR 128.A N TRP 191.A O no hydrogen 3.013 N/A ILE 131.A N TYR 128.A O no hydrogen 3.271 N/A ALA 132.A N ALA 129.A O no hydrogen 2.918 N/A ARG 133.A N ASN 42.A OD1 no hydrogen 2.979 N/A SER 137.A N ASP 135.A OD2 no hydrogen 2.849 N/A SER 137.A OG.A ASP 135.A OD2 no hydrogen 2.511 N/A LEU 138.A N ASP 135.A O no hydrogen 3.210 N/A SER 144.A N PRO 140.A O no hydrogen 3.080 N/A SER 144.A OG GLU 139.A OE1 no hydrogen 2.551 N/A SER 144.A OG PRO 140.A O no hydrogen 3.437 N/A LEU 145.A N PHE 141.A O no hydrogen 2.897 N/A VAL 146.A N PHE 142.A O no hydrogen 3.026 N/A LYS 147.A N ASP 143.A O no hydrogen 2.934 N/A GLN 148.A N SER 144.A O no hydrogen 2.918 N/A GLN 148.A NE2 ARG 101.A O no hydrogen 2.844 N/A THR 149.A N LEU 145.A O no hydrogen 3.179 N/A THR 149.A OG1 LEU 145.A O no hydrogen 2.745 N/A VAL 151.A N THR 149.A OG1 no hydrogen 3.060 N/A LEU 154.A N PRO 152.A O no hydrogen 2.843 N/A PHE 155.A N PHE 336.A O no hydrogen 3.216 N/A SER 156.A N ILE 169.A O no hydrogen 2.806 N/A SER 156.A OG GLY 172.A O no hydrogen 3.128 N/A SER 156.A OG TYR 333.A OH no hydrogen 2.547 N/A LEU 157.A N VAL 334.A O no hydrogen 2.829 N/A GLN 158.A N SER 167.A O no hydrogen 2.873 N/A GLN 158.A NE2 LEU 177.A O no hydrogen 3.051 N/A CYS 160.A N GLY 165.A O no hydrogen 2.851 N/A CYS 160.A SG GLN 158.A OE1 no hydrogen 3.317 N/A VAL 164.A N GLY 13.A O no hydrogen 2.959 N/A GLY 165.A N CYS 160.A O no hydrogen 3.409 N/A SER 167.A N GLN 158.A O no hydrogen 2.874 N/A MET 168.A N ASN 10.A OD1 no hydrogen 2.730 N/A ILE 169.A N SER 156.A O no hydrogen 2.865 N/A GLY 171.A N LEU 154.A O no hydrogen 2.794 N/A ASP 174.A N TYR 333.A OH no hydrogen 2.929 N/A HIS 175.A ND1 TYR 178.A OH no hydrogen 2.758 N/A SER 176.A N ASP 174.A OD1 no hydrogen 2.863 N/A SER 176.A OG ASP 174.A OD1 no hydrogen 2.728 N/A LEU 177.A N ASP 174.A O no hydrogen 3.151 N/A TYR 178.A OH HIS 175.A ND1 no hydrogen 2.758 N/A THR 179.A N VAL 347.A O no hydrogen 3.014 N/A TRP 183.A N PHE 345.A O no hydrogen 2.918 N/A THR 185.A N ILE 343.A O.A no hydrogen 2.851 N/A THR 185.A N ILE 343.A O.B no hydrogen 2.813 N/A THR 185.A OG1 MET 282.A O no hydrogen 2.564 N/A ILE 187.A N LYS 341.A O no hydrogen 2.909 N/A ARG 188.A N GLU 194.A O no hydrogen 2.863 N/A ARG 188.A NH1 GLU 194.A OE2 no hydrogen 2.924 N/A ARG 188.A NH1 TYR 375.A O no hydrogen 2.841 N/A ARG 188.A NH2 TYR 375.A O no hydrogen 3.024 N/A ARG 188.A NH2 ASN 376.A OD1 no hydrogen 3.134 N/A TRP 191.A N ARG 189.A O no hydrogen 3.186 N/A TRP 191.A N TYR 192.A O no hydrogen 3.071 N/A TRP 191.A NE1 GLU 194.A OE1 no hydrogen 2.815 N/A TYR 193.A OH LEU 126.A O no hydrogen 2.637 N/A VAL 195.A N SER 219.A O no hydrogen 2.930 N/A ILE 197.A N ASN 215.A OD1 no hydrogen 2.840 N/A VAL 198.A N TYR 280.A O no hydrogen 2.788 N/A ARG 199.A NE GLU 201.A OE2 no hydrogen 2.737 N/A ARG 199.A NH2 GLU 201.A OE2 no hydrogen 2.946 N/A GLU 201.A N SER 278.A O no hydrogen 3.001 N/A ILE 202.A N GLN 205.A O no hydrogen 2.865 N/A ASN 203.A N VAL 276.A O no hydrogen 2.859 N/A GLN 205.A N ILE 202.A O no hydrogen 2.869 N/A LEU 207.A N VAL 200.A O no hydrogen 2.911 N/A LYS 208.A N ASP 206.A OD2 no hydrogen 2.778 N/A MET 209.A N TYR 214.A OH no hydrogen 3.308 N/A LYS 212.A N ASP 210.A OD1 no hydrogen 2.903 N/A GLU 213.A N ASP 210.A O no hydrogen 2.835 N/A TYR 214.A N CYS 211.A O no hydrogen 3.080 N/A ASN 215.A N LYS 212.A O no hydrogen 3.392 N/A ASN 215.A ND2 ILE 197.A O no hydrogen 2.759 N/A ASN 215.A ND2 CYS 211.A O no hydrogen 2.986 N/A LYS 218.A NZ THR 320.A O no hydrogen 3.035 N/A SER 219.A OG ASN 215.A OD1 no hydrogen 2.737 N/A ILE 220.A N THR 322.A O no hydrogen 2.957 N/A VAL 221.A N TYR 193.A O no hydrogen 3.074 N/A ASP 222.A N MET 324.A O no hydrogen 2.971 N/A SER 223.A N THR 38.A OG1 no hydrogen 2.838 N/A SER 223.A OG VAL 36.A O no hydrogen 2.838 N/A GLY 224.A N ASP 222.A OD1 no hydrogen 2.952 N/A THR 225.A N ASP 222.A O no hydrogen 3.205 N/A THR 225.A OG1 ASP 222.A OD2 no hydrogen 2.633 N/A THR 226.A OG1 GLY 16.A O no hydrogen 3.193 N/A ASN 227.A ND2 SER 316.A OG no hydrogen 2.983 N/A LEU 228.A N ALA 314.A O no hydrogen 3.099 N/A ARG 229.A N VAL 323.A O no hydrogen 2.947 N/A LEU 230.A N SER 316.A O no hydrogen 2.820 N/A LYS 233.A NZ GLU 213.A OE1 no hydrogen 3.440 N/A PHE 235.A N PRO 231.A O no hydrogen 2.741 N/A GLU 236.A N LYS 232.A O no hydrogen 2.947 N/A ALA 237.A N LYS 233.A O no hydrogen 3.148 N/A ALA 238.A N VAL 234.A O no hydrogen 2.822 N/A VAL 239.A N PHE 235.A O no hydrogen 2.888 N/A LYS 240.A N GLU 236.A O no hydrogen 3.138 N/A SER 241.A N ALA 237.A O no hydrogen 2.988 N/A ILE 242.A N ALA 238.A O no hydrogen 2.819 N/A LYS 243.A N VAL 239.A O no hydrogen 2.902 N/A ALA 244.A N LYS 240.A O no hydrogen 3.125 N/A ALA 245.A N SER 241.A O no hydrogen 2.991 N/A SER 246.A N ILE 242.A O no hydrogen 3.029 N/A SER 246.A N LYS 243.A O no hydrogen 3.243 N/A SER 246.A OG ILE 242.A O no hydrogen 2.936 N/A SER 246.A OG LYS 243.A O no hydrogen 3.296 N/A SER 247.A N ALA 244.A O no hydrogen 3.400 N/A SER 247.A OG ALA 244.A O no hydrogen 2.968 N/A GLU 249.A N SER 246.A O no hydrogen 2.989 N/A PHE 255.A N PRO 252.A O no hydrogen 2.963 N/A LEU 257.A N GLY 254.A O no hydrogen 3.284 N/A GLY 258.A N PHE 255.A O no hydrogen 3.054 N/A GLU 259.A N GLY 254.A O no hydrogen 2.830 N/A GLN 260.A N GLY 254.A O no hydrogen 3.012 N/A VAL 262.A N TYR 311.A O no hydrogen 3.310 N/A TRP 264.A N ASP 309.A O no hydrogen 2.840 N/A ALA 266.A N GLN 307.A O no hydrogen 2.736 N/A GLY 267.A N ASP 309.A OD2 no hydrogen 3.121 N/A THR 268.A N GLN 265.A O no hydrogen 3.056 N/A THR 268.A OG1 GLN 265.A O no hydrogen 2.695 N/A THR 269.A OG1 TYR 311.A OH no hydrogen 3.015 N/A TRP 271.A N THR 269.A O no hydrogen 2.760 N/A ILE 273.A N PRO 270.A O no hydrogen 2.410 N/A PHE 274.A N TRP 271.A O no hydrogen 3.038 N/A VAL 276.A N ASN 203.A OD1 no hydrogen 2.981 N/A ILE 277.A N ILE 294.A O no hydrogen 3.024 N/A SER 278.A N GLU 201.A O no hydrogen 2.850 N/A SER 278.A OG THR 293.A OG1 no hydrogen 2.796 N/A LEU 279.A N ILE 292.A O no hydrogen 2.903 N/A TYR 280.A N ARG 199.A O no hydrogen 2.818 N/A TYR 280.A OH GLU 201.A OE1 no hydrogen 2.994 N/A TYR 280.A OH GLU 201.A OE2 no hydrogen 3.062 N/A LEU 281.A N PHE 290.A O no hydrogen 2.792 N/A MET 282.A N ILE 196.A O no hydrogen 3.091 N/A GLY 283.A N GLN 288.A O no hydrogen 2.807 N/A VAL 285.A N GLN 288.A OE1 no hydrogen 3.061 N/A GLN 288.A N VAL 285.A O no hydrogen 3.024 N/A GLN 288.A NE2 SER 289.A O no hydrogen 3.241 N/A SER 289.A N PHE 365.A O no hydrogen 2.955 N/A SER 289.A OG THR 367.A OG1 no hydrogen 2.788 N/A PHE 290.A N LEU 281.A O no hydrogen 3.140 N/A ARG 291.A N GLU 362.A O no hydrogen 2.794 N/A ARG 291.A NE GLU 362.A OE2 no hydrogen 2.781 N/A ARG 291.A NH1 TYR 280.A OH no hydrogen 2.882 N/A ARG 291.A NH2 GLU 362.A OE2 no hydrogen 2.953 N/A ILE 292.A N LEU 279.A O no hydrogen 2.872 N/A THR 293.A N ALA 360.A O no hydrogen 2.830 N/A THR 293.A OG1 SER 278.A OG no hydrogen 2.796 N/A ILE 294.A N ILE 277.A O no hydrogen 2.842 N/A GLN 297.A N GLN 297.A OE1 no hydrogen 2.851 N/A GLN 297.A NE2 ASP 354.A OD1 no hydrogen 2.988 N/A GLN 298.A N LEU 295.A O no hydrogen 2.869 N/A TYR 299.A N LEU 295.A O no hydrogen 3.313 N/A TYR 299.A OH PRO 275.A O no hydrogen 2.602 N/A LEU 300.A N PRO 296.A O no hydrogen 2.795 N/A ARG 301.A N LYS 312.A O no hydrogen 2.859 N/A VAL 303.A N CYS 310.A O no hydrogen 2.838 N/A ASP 308.A N THR 305.A O no hydrogen 3.163 N/A ASP 309.A N TRP 264.A O no hydrogen 2.699 N/A TYR 311.A N VAL 262.A O no hydrogen 2.964 N/A TYR 311.A OH THR 269.A OG1 no hydrogen 3.015 N/A LYS 312.A N ARG 301.A O no hydrogen 2.906 N/A ALA 314.A N TYR 299.A O no hydrogen 2.796 N/A SER 316.A N LEU 228.A O no hydrogen 2.939 N/A SER 318.A N LEU 230.A O no hydrogen 2.753 N/A SER 318.A OG GLY 321.A O no hydrogen 2.673 N/A THR 320.A N SER 318.A OG no hydrogen 3.038 N/A THR 322.A N LYS 218.A O no hydrogen 2.823 N/A THR 322.A OG1 TYR 214.A O no hydrogen 2.719 N/A VAL 323.A N ARG 229.A O no hydrogen 2.872 N/A MET 324.A N ILE 220.A O no hydrogen 2.792 N/A ALA 326.A N THR 225.A O no hydrogen 2.772 N/A VAL 327.A N THR 226.A O no hydrogen 2.994 N/A ILE 328.A N GLY 325.A O no hydrogen 2.961 N/A MET 329.A N GLY 325.A O no hydrogen 2.975 N/A GLU 330.A N ALA 326.A O no hydrogen 2.760 N/A GLY 331.A N ILE 328.A O no hydrogen 3.045 N/A PHE 332.A N MET 329.A O no hydrogen 3.059 N/A TYR 333.A N ALA 346.A O no hydrogen 2.838 N/A TYR 333.A OH SER 156.A OG no hydrogen 2.547 N/A VAL 334.A N LEU 157.A O no hydrogen 2.942 N/A VAL 335.A N GLY 344.A O no hydrogen 2.807 N/A PHE 336.A N PHE 155.A O no hydrogen 2.726 N/A ASP 337.A N ARG 342.A O no hydrogen 2.893 N/A ARG 338.A N PHE 336.A O no hydrogen 3.067 N/A ARG 338.A NE ASN 153.A OD1 no hydrogen 2.881 N/A ARG 338.A NH1 ASP 143.A OD2 no hydrogen 3.143 N/A ARG 338.A NH2 TYR 193.A OH no hydrogen 2.955 N/A ALA 339.A N ASN 153.A O no hydrogen 2.967 N/A ARG 340.A N ASP 337.A O no hydrogen 3.262 N/A ARG 340.A N ASP 337.A OD1 no hydrogen 3.113 N/A LYS 341.A N ARG 338.A O no hydrogen 3.161 N/A LYS 341.A NZ ILE 187.A O no hydrogen 3.434 N/A ARG 342.A N ASP 337.A O no hydrogen 3.068 N/A ARG 342.A NE ASP 337.A OD2 no hydrogen 2.893 N/A ARG 342.A NH1 GLU 284.A OE1 no hydrogen 2.879 N/A ARG 342.A NH2 ASP 337.A OD2 no hydrogen 3.355 N/A ILE 343.A N.A THR 185.A O no hydrogen 2.814 N/A ILE 343.A N.B THR 185.A O no hydrogen 2.803 N/A GLY 344.A N VAL 335.A O no hydrogen 2.808 N/A PHE 345.A N TRP 183.A O no hydrogen 2.815 N/A ALA 346.A N TYR 333.A O no hydrogen 3.036 N/A SER 348.A N GLY 331.A O no hydrogen 3.089 N/A ALA 349.A N LEU 177.A O no hydrogen 2.910 N/A CYS 350.A N SER 348.A OG no hydrogen 3.148 N/A CYS 350.A SG SER 348.A OG no hydrogen 3.222 N/A HIS 351.A N SER 348.A O no hydrogen 3.427 N/A HIS 351.A NE2 THR 358.A OG1.A no hydrogen 3.021 N/A HIS 353.A ND1 HIS 351.A O no hydrogen 3.037 N/A ASP 354.A N ARG 357.A O no hydrogen 3.455 N/A PHE 356.A N ASP 354.A OD2 no hydrogen 2.802 N/A ARG 357.A N ASP 354.A OD2 no hydrogen 2.873 N/A ARG 357.A NH1 PHE 274.A O no hydrogen 2.921 N/A ARG 357.A NH2 PHE 274.A O no hydrogen 2.977 N/A THR 358.A OG1.A HIS 351.A NE2 no hydrogen 3.021 N/A THR 358.A OG1.A ALA 359.A O no hydrogen 2.848 N/A THR 358.A OG1.B ALA 359.A O no hydrogen 3.376 N/A ALA 360.A N THR 293.A O no hydrogen 3.134 N/A GLU 362.A N ARG 291.A O no hydrogen 2.885 N/A PHE 365.A N SER 289.A O no hydrogen 2.874 N/A THR 367.A N ASN 287.A O no hydrogen 2.939 N/A THR 367.A OG1 SER 289.A OG no hydrogen 2.788 N/A ASP 372.A N ASP 369.A O no hydrogen 3.071 N/A CYS 373.A N MET 370.A O no hydrogen 3.170 N/A CYS 373.A SG MET 370.A O no hydrogen 3.478 N/A