Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4lxk_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): MET 5.A N PHE 2P.A O no hydrogen 2.790 N/A VAL 6.A N VAL 3P.A O no hydrogen 3.280 N/A ASP 7.A N SER 164.A OG no hydrogen 2.766 N/A ASN 8.A N MET 5.A O no hydrogen 3.233 N/A ASN 8.A ND2 HIS 92.A O no hydrogen 3.035 N/A ASN 8.A ND2 MET 165.A O no hydrogen 3.008 N/A LEU 9.A N GLY 163.A O no hydrogen 2.935 N/A ARG 10.A N TYR 18.A O no hydrogen 3.111 N/A ARG 10.A NH1 ASP 7.A O no hydrogen 3.237 N/A ARG 10.A NH1 LEU 9.A O no hydrogen 2.836 N/A GLY 11.A N VAL 161.A O no hydrogen 2.952 N/A LYS 12.A NZ GLN 15.A OE1 no hydrogen 3.121 N/A SER 13.A OG PRO 299.A O no hydrogen 3.376 N/A GLN 15.A N LYS 12.A O no hydrogen 2.751 N/A TYR 17.A OH CYS 158.A O no hydrogen 2.758 N/A TYR 17.A OH GLU 330.A OE1 no hydrogen 3.146 N/A TYR 18.A N ARG 10.A O no hydrogen 2.804 N/A VAL 19.A N ILE 32.A O no hydrogen 2.879 N/A MET 21.A N LEU 30.A O no hydrogen 2.888 N/A THR 22.A N SER 89.A O no hydrogen 2.898 N/A VAL 23.A N GLN 28.A O no hydrogen 2.901 N/A GLY 24.A N LEU 87.A O no hydrogen 2.815 N/A SER 25.A N SER 60.A OG no hydrogen 3.094 N/A SER 25.A OG THR 62.A OG1 no hydrogen 2.942 N/A GLN 28.A N VAL 23.A O no hydrogen 2.839 N/A GLN 28.A NE2 GLN 56.A O no hydrogen 2.963 N/A LEU 30.A N MET 21.A O no hydrogen 2.917 N/A ASN 31.A N GLU 119.A OE2 no hydrogen 2.970 N/A ASN 31.A ND2 ASN 117.A O no hydrogen 2.978 N/A ILE 32.A N VAL 19.A O no hydrogen 2.830 N/A LEU 33.A N GLY 120.A O no hydrogen 2.910 N/A VAL 34.A N TYR 17.A O no hydrogen 2.820 N/A ASP 35.A N LEU 122.A O no hydrogen 3.014 N/A THR 36.A N SER 220.A OG no hydrogen 2.984 N/A THR 36.A OG1 VAL 218.A O no hydrogen 2.880 N/A GLY 37.A N ASP 35.A OD1 no hydrogen 2.922 N/A SER 38.A OG ASP 35.A OD2 no hydrogen 2.544 N/A SER 39.A OG TYR 126.A O no hydrogen 2.699 N/A ASN 40.A ND2 ARG 131.A O no hydrogen 2.782 N/A ALA 42.A N ILE 121.A O no hydrogen 3.061 N/A VAL 43.A N ALA 103.A O no hydrogen 2.977 N/A GLY 44.A N GLU 119.A O no hydrogen 2.839 N/A ALA 45.A N ILE 105.A O no hydrogen 3.008 N/A PHE 50.A N HIS 48.A ND1 no hydrogen 2.932 N/A LEU 51.A N HIS 48.A O no hydrogen 2.966 N/A ARG 53.A NE GLU 119.A OE2 no hydrogen 3.115 N/A TYR 55.A N GLY 44.A O no hydrogen 2.815 N/A TYR 55.A OH ASP 86.A OD2 no hydrogen 2.549 N/A GLN 56.A N GLN 28.A OE1 no hydrogen 2.883 N/A GLN 58.A N GLN 58.A OE1 no hydrogen 2.882 N/A LEU 59.A N GLN 56.A O no hydrogen 3.057 N/A SER 60.A N ARG 57.A O no hydrogen 3.179 N/A SER 60.A OG ASP 86.A OD1 no hydrogen 3.372 N/A SER 60.A OG ASP 86.A OD2 no hydrogen 2.787 N/A SER 61.A N SER 25.A O no hydrogen 2.949 N/A SER 61.A OG SER 25.A O no hydrogen 3.450 N/A THR 62.A OG1 SER 25.A OG no hydrogen 2.942 N/A THR 62.A OG1 SER 60.A OG no hydrogen 3.344 N/A THR 62.A OG1 ASP 86.A OD1 no hydrogen 2.592 N/A ARG 64.A N THR 85.A O no hydrogen 2.905 N/A LEU 66.A N LEU 83.A O no hydrogen 3.077 N/A ARG 67.A N ASP 65.A OD1 no hydrogen 2.731 N/A VAL 70.A N GLY 81.A O no hydrogen 3.010 N/A VAL 72.A N TRP 79.A O no hydrogen 3.032 N/A TYR 74.A N GLY 77.A O.A no hydrogen 2.827 N/A TYR 74.A N GLY 77.A O.B no hydrogen 2.769 N/A LYS 78.A N ASP 109.A O no hydrogen 3.136 N/A LYS 78.A NZ ASP 109.A OD1 no hydrogen 2.943 N/A TRP 79.A N VAL 72.A O no hydrogen 3.254 N/A TRP 79.A NE1 TYR 74.A OH no hydrogen 2.987 N/A GLU 80.A N GLU 107.A O no hydrogen 2.878 N/A GLY 81.A N VAL 70.A O no hydrogen 2.844 N/A GLU 82.A N ALA 104.A O no hydrogen 2.971 N/A LEU 83.A N LYS 68.A O no hydrogen 2.829 N/A GLY 84.A N ILE 102.A O no hydrogen 3.084 N/A THR 85.A N ARG 64.A O no hydrogen 2.838 N/A ASP 86.A N ALA 100.A O no hydrogen 3.277 N/A LEU 87.A N ASP 86.A OD1 no hydrogen 2.709 N/A VAL 88.A N VAL 98.A O no hydrogen 2.850 N/A SER 89.A N THR 22.A O no hydrogen 2.919 N/A SER 89.A OG VAL 96.A O no hydrogen 3.544 N/A SER 89.A OG THR 97.A OG1 no hydrogen 2.896 N/A GLY 93.A N ILE 90.A O no hydrogen 2.812 N/A VAL 96.A N PRO 94.A O no hydrogen 2.872 N/A THR 97.A OG1 SER 89.A OG no hydrogen 2.896 N/A VAL 98.A N VAL 88.A O no hydrogen 3.164 N/A ARG 99.A N GLN 146.A OE1 no hydrogen 2.943 N/A ARG 99.A NH1 THR 62.A O no hydrogen 3.088 N/A ARG 99.A NH1 THR 85.A OG1 no hydrogen 2.851 N/A ARG 99.A NH2 THR 62.A O no hydrogen 2.838 N/A ALA 100.A N ASP 86.A O no hydrogen 3.056 N/A ASN 101.A ND2 GLU 137.A O no hydrogen 2.939 N/A ILE 102.A N GLY 84.A O no hydrogen 2.826 N/A ALA 103.A N PHE 41.A O no hydrogen 2.918 N/A ALA 104.A N GLU 82.A O no hydrogen 2.900 N/A ILE 105.A N VAL 43.A O no hydrogen 2.820 N/A THR 106.A N GLU 80.A O no hydrogen 3.014 N/A THR 106.A OG1 GLU 80.A O no hydrogen 3.388 N/A GLU 107.A N GLU 80.A O no hydrogen 3.275 N/A ASP 109.A N LYS 78.A O no hydrogen 2.891 N/A SER 116.A N ILE 113.A O no hydrogen 3.171 N/A SER 116.A OG ILE 113.A O no hydrogen 3.350 N/A TRP 118.A N SER 116.A OG no hydrogen 3.185 N/A TRP 118.A NE1 GLN 15.A O no hydrogen 2.878 N/A GLU 119.A N ASN 31.A O no hydrogen 2.774 N/A ILE 121.A N ALA 42.A O no hydrogen 2.754 N/A LEU 122.A N LEU 33.A O no hydrogen 2.720 N/A GLY 123.A N ASN 40.A O no hydrogen 3.058 N/A LEU 124.A N ASP 35.A O no hydrogen 2.830 N/A ALA 125.A N SER 38.A O no hydrogen 2.825 N/A TYR 126.A N TRP 188.A O no hydrogen 3.068 N/A ILE 129.A N TYR 126.A O no hydrogen 3.211 N/A ALA 130.A N ALA 127.A O no hydrogen 2.891 N/A ARG 131.A N ASN 40.A OD1 no hydrogen 2.897 N/A SER 135.A N ASP 133.A OD2 no hydrogen 2.814 N/A SER 135.A OG ASP 133.A OD2 no hydrogen 2.416 N/A LEU 136.A N ASP 133.A O no hydrogen 3.175 N/A SER 142.A N PRO 138.A O no hydrogen 3.131 N/A SER 142.A OG GLU 137.A OE2 no hydrogen 2.561 N/A SER 142.A OG PRO 138.A O no hydrogen 3.443 N/A LEU 143.A N PHE 139.A O no hydrogen 2.876 N/A VAL 144.A N PHE 140.A O no hydrogen 2.948 N/A LYS 145.A N ASP 141.A O no hydrogen 2.923 N/A GLN 146.A N SER 142.A O no hydrogen 2.883 N/A GLN 146.A NE2 ARG 99.A O no hydrogen 2.834 N/A THR 147.A N LEU 143.A O no hydrogen 3.043 N/A THR 147.A OG1 LEU 143.A O no hydrogen 2.637 N/A VAL 149.A N THR 147.A OG1 no hydrogen 3.144 N/A LEU 152.A N PRO 150.A O no hydrogen 2.873 N/A PHE 153.A N PHE 336.A O no hydrogen 3.242 N/A SER 154.A N ILE 166.A O no hydrogen 2.934 N/A SER 154.A OG GLY 169.A O no hydrogen 2.869 N/A SER 154.A OG TYR 333.A OH no hydrogen 2.600 N/A LEU 155.A N VAL 334.A O no hydrogen 2.821 N/A GLN 156.A N SER 164.A O no hydrogen 2.826 N/A GLN 156.A NE2 SER 348.A OG no hydrogen 3.338 N/A CYS 158.A N GLY 162.A O no hydrogen 2.985 N/A VAL 161.A N GLY 11.A O no hydrogen 2.992 N/A GLY 163.A N LEU 9.A O no hydrogen 3.138 N/A SER 164.A N GLN 156.A O no hydrogen 2.845 N/A SER 164.A OG GLN 156.A OE1 no hydrogen 3.226 N/A MET 165.A N ASN 8.A OD1 no hydrogen 2.772 N/A ILE 166.A N SER 154.A O no hydrogen 2.880 N/A GLY 168.A N LEU 152.A O no hydrogen 2.770 N/A ASP 171.A N TYR 333.A OH no hydrogen 2.902 N/A SER 173.A N ASP 171.A OD2 no hydrogen 2.997 N/A SER 173.A OG ASP 171.A OD2 no hydrogen 2.570 N/A LEU 174.A N ASP 171.A O no hydrogen 3.020 N/A TYR 175.A OH HIS 172.A ND1 no hydrogen 2.818 N/A THR 176.A N VAL 347.A O no hydrogen 3.019 N/A TRP 180.A N PHE 345.A O no hydrogen 2.878 N/A THR 182.A N ILE 343.A O no hydrogen 2.883 N/A THR 182.A OG1 MET 279.A O no hydrogen 2.522 N/A ILE 184.A N LYS 341.A O no hydrogen 2.989 N/A ARG 185.A N GLU 191.A O no hydrogen 2.801 N/A ARG 185.A NH1 GLU 191.A OE2 no hydrogen 3.007 N/A ARG 185.A NH1 TYR 375.A O no hydrogen 3.042 N/A ARG 185.A NH2 TYR 375.A O no hydrogen 2.985 N/A ARG 186.A NE GLU 128.A OE2 no hydrogen 3.312 N/A ARG 186.A NH2 GLU 128.A OE2 no hydrogen 2.616 N/A TRP 188.A N ARG 186.A O no hydrogen 3.034 N/A TRP 188.A N TYR 189.A O no hydrogen 3.143 N/A TRP 188.A NE1 GLU 191.A OE1 no hydrogen 2.863 N/A TYR 190.A OH LEU 124.A O no hydrogen 2.671 N/A VAL 192.A N SER 216.A O no hydrogen 2.886 N/A ILE 194.A N ASN 212.A OD1 no hydrogen 2.832 N/A VAL 195.A N TYR 277.A O no hydrogen 2.782 N/A ARG 196.A NH2 VAL 366.A O no hydrogen 3.404 N/A GLU 198.A N SER 275.A O no hydrogen 2.977 N/A ILE 199.A N GLN 202.A O no hydrogen 2.922 N/A ASN 200.A N VAL 273.A O no hydrogen 2.827 N/A GLN 202.A N ILE 199.A O no hydrogen 2.935 N/A LEU 204.A N VAL 197.A O no hydrogen 2.994 N/A LYS 205.A N ASP 203.A OD1 no hydrogen 2.713 N/A LYS 209.A N ASP 207.A OD1 no hydrogen 3.078 N/A LYS 209.A NZ ASP 372.A O no hydrogen 2.750 N/A GLU 210.A N ASP 207.A O no hydrogen 2.779 N/A TYR 211.A N CYS 208.A O no hydrogen 3.078 N/A ASN 212.A N LYS 209.A O no hydrogen 3.052 N/A ASN 212.A ND2 ILE 194.A O no hydrogen 2.799 N/A ASN 212.A ND2 CYS 373.A O no hydrogen 3.003 N/A LYS 215.A NZ THR 320.A O no hydrogen 2.969 N/A SER 216.A OG ASN 212.A OD1 no hydrogen 2.735 N/A ILE 217.A N THR 322.A O no hydrogen 3.071 N/A VAL 218.A N TYR 190.A O no hydrogen 3.093 N/A ASP 219.A N MET 324.A O no hydrogen 3.054 N/A SER 220.A N THR 36.A OG1 no hydrogen 2.892 N/A SER 220.A OG VAL 34.A O no hydrogen 2.746 N/A GLY 221.A N ASP 219.A OD1 no hydrogen 2.882 N/A THR 222.A N ASP 219.A O no hydrogen 3.142 N/A THR 222.A OG1 ASP 219.A OD2 no hydrogen 2.874 N/A ASN 224.A ND2 SER 316.A OG no hydrogen 3.179 N/A LEU 225.A N ALA 314.A O no hydrogen 3.101 N/A ARG 226.A N VAL 323.A O no hydrogen 2.916 N/A ARG 226.A NH2 GLN 317.A O no hydrogen 3.290 N/A LEU 227.A N SER 316.A O no hydrogen 2.951 N/A LYS 229.A NZ GLU 233.A OE2 no hydrogen 2.705 N/A PHE 232.A N PRO 228.A O no hydrogen 2.760 N/A GLU 233.A N LYS 229.A O no hydrogen 3.003 N/A ALA 234.A N LYS 230.A O no hydrogen 3.178 N/A ALA 235.A N VAL 231.A O no hydrogen 2.915 N/A VAL 236.A N PHE 232.A O no hydrogen 2.890 N/A LYS 237.A N GLU 233.A O no hydrogen 3.007 N/A SER 238.A N ALA 234.A O no hydrogen 3.114 N/A ILE 239.A N ALA 235.A O no hydrogen 2.845 N/A LYS 240.A N VAL 236.A O no hydrogen 2.730 N/A ALA 241.A N LYS 237.A O no hydrogen 3.100 N/A ALA 242.A N SER 238.A O no hydrogen 3.149 N/A SER 243.A N ILE 239.A O no hydrogen 3.207 N/A SER 243.A N LYS 240.A O no hydrogen 3.097 N/A SER 243.A OG ILE 239.A O no hydrogen 3.080 N/A SER 244.A OG ALA 241.A O no hydrogen 3.303 N/A GLU 246.A N SER 243.A O no hydrogen 2.983 N/A LYS 247.A NZ PHE 248.A O no hydrogen 3.366 N/A PHE 252.A N PRO 249.A O no hydrogen 2.719 N/A GLY 255.A N PHE 252.A O no hydrogen 2.955 N/A GLU 256.A N GLY 251.A O no hydrogen 2.827 N/A GLN 257.A N GLY 251.A O no hydrogen 2.848 N/A VAL 259.A N TYR 311.A O no hydrogen 2.825 N/A TRP 261.A N ASP 309.A O no hydrogen 2.840 N/A TRP 261.A NE1 GLU 246.A OE1 no hydrogen 2.729 N/A GLY 264.A N ASP 309.A OD1 no hydrogen 2.886 N/A THR 265.A N GLN 262.A O no hydrogen 2.778 N/A THR 265.A OG1 GLN 262.A O no hydrogen 2.462 N/A THR 266.A OG1 TYR 311.A OH no hydrogen 3.162 N/A TRP 268.A N THR 266.A O no hydrogen 2.962 N/A ILE 270.A N PRO 267.A O no hydrogen 3.191 N/A PHE 271.A N TRP 268.A O no hydrogen 3.122 N/A VAL 273.A N ASN 200.A OD1 no hydrogen 2.893 N/A ILE 274.A N ILE 291.A O no hydrogen 2.993 N/A SER 275.A N GLU 198.A O no hydrogen 2.779 N/A SER 275.A OG THR 290.A OG1 no hydrogen 3.065 N/A LEU 276.A N ILE 289.A O no hydrogen 2.921 N/A TYR 277.A N ARG 196.A O no hydrogen 2.933 N/A TYR 277.A OH GLU 198.A OE1 no hydrogen 2.700 N/A LEU 278.A N PHE 287.A O no hydrogen 2.783 N/A MET 279.A N ILE 193.A O no hydrogen 3.103 N/A GLY 280.A N GLN 285.A O no hydrogen 2.819 N/A GLU 281.A N GLN 285.A OE1 no hydrogen 2.877 N/A VAL 282.A N GLN 285.A OE1 no hydrogen 3.063 N/A GLN 285.A N VAL 282.A O no hydrogen 3.101 N/A GLN 285.A NE2 SER 286.A O no hydrogen 3.197 N/A SER 286.A N PHE 365.A O no hydrogen 2.895 N/A SER 286.A OG THR 367.A OG1 no hydrogen 2.844 N/A PHE 287.A N LEU 278.A O no hydrogen 3.136 N/A ARG 288.A N GLU 362.A O no hydrogen 2.880 N/A ARG 288.A NE GLU 362.A OE2 no hydrogen 2.779 N/A ARG 288.A NH1 TYR 277.A OH no hydrogen 2.974 N/A ARG 288.A NH2 GLU 362.A OE2 no hydrogen 2.775 N/A ILE 289.A N LEU 276.A O no hydrogen 2.893 N/A THR 290.A N ALA 360.A O no hydrogen 2.884 N/A THR 290.A OG1 SER 275.A OG no hydrogen 3.065 N/A ILE 291.A N ILE 274.A O no hydrogen 2.752 N/A LEU 292.A N GLN 295.A OE1 no hydrogen 3.106 N/A GLN 294.A N GLN 294.A OE1 no hydrogen 2.755 N/A GLN 294.A NE2 ASP 354.A OD2 no hydrogen 2.738 N/A GLN 295.A N LEU 292.A O no hydrogen 2.816 N/A GLN 295.A NE2 VAL 327.A O no hydrogen 3.098 N/A TYR 296.A OH PRO 272.A O no hydrogen 2.639 N/A LEU 297.A N PRO 293.A O no hydrogen 2.772 N/A ARG 298.A N LYS 312.A O no hydrogen 2.897 N/A VAL 300.A N CYS 310.A O no hydrogen 3.090 N/A ASP 302.A N GLU 301.A OE1 no hydrogen 2.737 N/A ALA 304.A N ASP 302.A OD2 no hydrogen 3.039 N/A SER 306.A OG ASP 308.A OD2 no hydrogen 3.340 N/A ASP 309.A N TRP 261.A O no hydrogen 2.929 N/A CYS 310.A SG ASP 302.A OD2 no hydrogen 3.412 N/A TYR 311.A N VAL 259.A O no hydrogen 2.711 N/A TYR 311.A OH THR 266.A OG1 no hydrogen 3.162 N/A LYS 312.A N ARG 298.A O no hydrogen 2.862 N/A ALA 314.A N TYR 296.A O no hydrogen 2.790 N/A SER 316.A N LEU 225.A O no hydrogen 2.987 N/A SER 318.A N LEU 227.A O no hydrogen 2.714 N/A SER 318.A OG THR 320.A OG1 no hydrogen 3.420 N/A SER 318.A OG GLY 321.A O no hydrogen 2.730 N/A THR 320.A N SER 318.A OG no hydrogen 2.925 N/A THR 320.A OG1 SER 318.A OG no hydrogen 3.420 N/A THR 322.A N LYS 215.A O no hydrogen 2.817 N/A THR 322.A OG1 TYR 211.A O no hydrogen 2.682 N/A VAL 323.A N ARG 226.A O no hydrogen 2.769 N/A MET 324.A N ILE 217.A O no hydrogen 2.880 N/A ALA 326.A N THR 222.A O no hydrogen 2.633 N/A VAL 327.A N THR 223.A O no hydrogen 3.032 N/A ILE 328.A N GLY 325.A O no hydrogen 3.035 N/A MET 329.A N GLY 325.A O no hydrogen 3.143 N/A GLU 330.A N ALA 326.A O no hydrogen 2.820 N/A GLY 331.A N LEU 157.A O no hydrogen 3.191 N/A PHE 332.A N MET 329.A O no hydrogen 2.962 N/A TYR 333.A N ALA 346.A O no hydrogen 2.728 N/A TYR 333.A OH SER 154.A OG no hydrogen 2.600 N/A VAL 334.A N LEU 155.A O no hydrogen 2.933 N/A VAL 335.A N GLY 344.A O no hydrogen 2.836 N/A PHE 336.A N PHE 153.A O no hydrogen 2.715 N/A ASP 337.A N ARG 342.A O no hydrogen 2.944 N/A ARG 338.A N PHE 336.A O no hydrogen 3.044 N/A ARG 338.A NE ASN 151.A OD1 no hydrogen 2.799 N/A ARG 338.A NH1 TYR 190.A OH no hydrogen 2.993 N/A ARG 338.A NH2 ASP 141.A OD2 no hydrogen 3.255 N/A ALA 339.A N ASN 151.A O no hydrogen 3.002 N/A ARG 340.A N ASP 337.A O no hydrogen 3.161 N/A ARG 340.A N ASP 337.A OD1 no hydrogen 3.152 N/A LYS 341.A N ARG 338.A O no hydrogen 3.088 N/A ARG 342.A N ASP 337.A O no hydrogen 3.131 N/A ARG 342.A NE ASP 337.A OD2 no hydrogen 2.960 N/A ARG 342.A NH1 GLU 281.A OE2 no hydrogen 2.695 N/A ARG 342.A NH2 ASP 337.A OD2 no hydrogen 3.428 N/A ILE 343.A N THR 182.A O no hydrogen 2.844 N/A GLY 344.A N VAL 335.A O no hydrogen 2.840 N/A PHE 345.A N TRP 180.A O no hydrogen 2.761 N/A ALA 346.A N TYR 333.A O no hydrogen 3.056 N/A SER 348.A N GLY 331.A O no hydrogen 2.773 N/A ALA 349.A N LEU 174.A O no hydrogen 2.857 N/A CYS 350.A N SER 348.A OG no hydrogen 2.982 N/A CYS 350.A SG SER 348.A OG no hydrogen 3.110 N/A PHE 356.A N ASP 354.A OD1 no hydrogen 3.055 N/A ARG 357.A NE ASP 354.A OD1 no hydrogen 3.407 N/A ARG 357.A NH1 PHE 271.A O no hydrogen 2.691 N/A ARG 357.A NH2 TRP 268.A O no hydrogen 2.924 N/A ARG 357.A NH2 ASP 354.A OD2 no hydrogen 3.210 N/A THR 358.A OG1 ALA 359.A O no hydrogen 3.089 N/A GLU 362.A N ARG 288.A O no hydrogen 2.885 N/A PHE 365.A N SER 286.A O no hydrogen 2.835 N/A THR 367.A N ASN 284.A O no hydrogen 2.850 N/A THR 367.A OG1 SER 286.A OG no hydrogen 2.844 N/A ASP 372.A N ASP 369.A O no hydrogen 3.169 N/A CYS 373.A N MET 370.A O no hydrogen 2.881 N/A GLY 374.A N GLU 371.A O no hydrogen 3.368 N/A SER 1P.A OG GLU 4.A OE1 no hydrogen 3.545 N/A SER 1P.A OG SER 1P.A O no hydrogen 2.606 N/A