Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4gts_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LEU 7.A N ALA 4.A O no hydrogen 3.307 N/A GLU 8.A N ALA 4.A O no hydrogen 3.273 N/A LYS 12.A N GLU 8.A O no hydrogen 2.559 N/A LEU 13.A N ARG 9.A O no hydrogen 2.743 N/A LEU 15.A N GLN 11.A O no hydrogen 3.077 N/A TYR 16.A N LYS 12.A O no hydrogen 3.290 N/A GLN 17.A N LEU 13.A O no hydrogen 2.780 N/A SER 18.A N LYS 14.A O no hydrogen 2.978 N/A SER 18.A OG.B LYS 14.A O no hydrogen 2.541 N/A SER 18.A OG.B LEU 15.A O no hydrogen 2.989 N/A ALA 19.A N LEU 15.A O no hydrogen 2.819 N/A THR 20.A N TYR 16.A O no hydrogen 2.774 N/A THR 20.A OG1 TYR 16.A O no hydrogen 2.902 N/A GLN 21.A N GLN 17.A O no hydrogen 2.848 N/A ALA 22.A N SER 18.A O no hydrogen 2.735 N/A VAL 23.A N ALA 19.A O no hydrogen 2.699 N/A PHE 24.A N THR 20.A O no hydrogen 3.096 N/A GLN 25.A N GLN 21.A O no hydrogen 2.762 N/A LYS 26.A N ALA 22.A O no hydrogen 2.781 N/A LYS 26.A NZ GLU 31.A OE1 no hydrogen 3.011 N/A LYS 26.A NZ SER 35.A OG no hydrogen 3.151 N/A ARG 27.A N VAL 23.A O no hydrogen 2.931 N/A ARG 27.A NE GLU 59.A OE1 no hydrogen 3.049 N/A ARG 27.A NH2 GLU 59.A OE1 no hydrogen 3.239 N/A ARG 27.A NH2 GLU 59.A OE2 no hydrogen 3.078 N/A GLN 28.A N PHE 24.A O no hydrogen 2.844 N/A ALA 29.A N GLN 25.A O no hydrogen 2.927 N/A GLY 30.A N ARG 27.A O no hydrogen 3.089 N/A GLU 31.A N LYS 26.A O no hydrogen 2.985 N/A LEU 32.A N GLY 30.A O no hydrogen 3.047 N/A SER 35.A N ASP 33.A OD2 no hydrogen 2.864 N/A SER 35.A OG ASP 33.A OD2 no hydrogen 1.988 N/A VAL 36.A N ASP 33.A O no hydrogen 2.998 N/A GLU 38.A N GLU 34.A O no hydrogen 2.894 N/A LEU 39.A N SER 35.A O no hydrogen 2.910 N/A THR 40.A N VAL 36.A O no hydrogen 2.794 N/A THR 40.A OG1 VAL 36.A O no hydrogen 2.689 N/A THR 40.A OG1 LEU 37.A O no hydrogen 3.228 N/A SER 41.A N LEU 37.A O no hydrogen 2.987 N/A GLN 42.A N LEU 39.A O no hydrogen 3.041 N/A ILE 43.A N THR 40.A O no hydrogen 2.939 N/A LEU 44.A N THR 40.A O no hydrogen 2.869 N/A ASN 47.A N ILE 43.A O no hydrogen 2.895 N/A ASN 47.A ND2 ILE 43.A O no hydrogen 3.569 N/A PHE 50.A N ASN 47.A O no hydrogen 3.140 N/A LEU 53.A N PHE 50.A O no hydrogen 3.162 N/A TRP 54.A NE1 PRO 48.A O no hydrogen 2.933 N/A ASN 55.A N ALA 51.A O no hydrogen 3.217 N/A CYS 56.A N THR 52.A O no hydrogen 3.133 N/A CYS 56.A SG THR 52.A O no hydrogen 3.507 N/A ARG 57.A N LEU 53.A O no hydrogen 3.159 N/A ARG 57.A NE GLU 80.A OE2 no hydrogen 2.749 N/A ARG 57.A NH1 LEU 37.A O no hydrogen 2.930 N/A ARG 57.A NH1 THR 40.A OG1 no hydrogen 2.990 N/A ARG 57.A NH2 GLU 80.A OE1 no hydrogen 2.605 N/A ARG 57.A NH2 GLU 80.A OE2 no hydrogen 3.360 N/A ARG 58.A N TRP 54.A O no hydrogen 3.107 N/A ARG 58.A NH2 ASN 55.A OD1 no hydrogen 2.659 N/A GLU 59.A N ASN 55.A O no hydrogen 2.769 N/A VAL 60.A N CYS 56.A O no hydrogen 2.757 N/A LEU 61.A N ARG 57.A O no hydrogen 2.935 N/A GLN 62.A N ARG 58.A O no hydrogen 2.786 N/A HIS 63.A N GLU 59.A O no hydrogen 3.132 N/A LEU 64.A N VAL 60.A O no hydrogen 2.819 N/A GLU 65.A N LEU 61.A O no hydrogen 3.042 N/A THR 66.A N HIS 63.A O no hydrogen 3.002 N/A THR 66.A OG1 HIS 63.A O no hydrogen 2.528 N/A GLU 67.A N LEU 64.A O no hydrogen 3.024 N/A SER 69.A N GLU 72.A OE1 no hydrogen 3.176 N/A GLU 72.A N SER 69.A OG no hydrogen 2.944 N/A SER 73.A N SER 69.A O no hydrogen 2.903 N/A ALA 74.A N PRO 70.A O no hydrogen 2.827 N/A ALA 75.A N GLU 71.A O no hydrogen 3.266 N/A LEU 76.A N GLU 72.A O no hydrogen 3.210 N/A VAL 77.A N SER 73.A O no hydrogen 3.092 N/A LYS 78.A N ALA 74.A O no hydrogen 3.086 N/A ALA 79.A N ALA 75.A O no hydrogen 2.964 N/A GLU 80.A N LEU 76.A O no hydrogen 2.902 N/A LEU 81.A N VAL 77.A O no hydrogen 2.771 N/A GLY 82.A N LYS 78.A O no hydrogen 3.125 N/A PHE 83.A N ALA 79.A O no hydrogen 2.923 N/A LEU 84.A N GLU 80.A O no hydrogen 2.940 N/A GLU 85.A N LEU 81.A O no hydrogen 2.913 N/A SER 86.A N GLY 82.A O no hydrogen 3.051 N/A SER 86.A OG.A PHE 83.A O no hydrogen 3.033 N/A SER 86.A OG.B GLY 82.A O no hydrogen 2.728 N/A CYS 87.A N PHE 83.A O no hydrogen 3.069 N/A CYS 87.A SG PHE 83.A O no hydrogen 3.551 N/A LEU 88.A N LEU 84.A O no hydrogen 3.106 N/A ARG 89.A N GLU 85.A O no hydrogen 3.205 N/A VAL 90.A N SER 86.A O no hydrogen 3.386 N/A ASN 91.A N CYS 87.A O no hydrogen 2.858 N/A LYS 93.A N ASN 91.A OD1 no hydrogen 2.950 N/A SER 94.A OG ASP 49.A OD1 no hydrogen 2.865 N/A THR 97.A N SER 94.A O no hydrogen 3.402 N/A TRP 98.A NE1 PRO 92.A O no hydrogen 2.688 N/A HIS 99.A N TYR 95.A O no hydrogen 2.925 N/A HIS 100.A N GLY 96.A O no hydrogen 3.013 N/A ARG 101.A N THR 97.A O no hydrogen 3.161 N/A ARG 101.A NE GLU 116.A OE1 no hydrogen 2.713 N/A ARG 101.A NH1 LEU 81.A O no hydrogen 3.227 N/A ARG 101.A NH2 GLU 116.A OE1 no hydrogen 3.320 N/A ARG 101.A NH2 GLU 116.A OE2 no hydrogen 3.234 N/A CYS 102.A N TRP 98.A O no hydrogen 3.070 N/A CYS 102.A SG.B TRP 98.A O no hydrogen 3.577 N/A TRP 103.A N HIS 99.A O no hydrogen 2.822 N/A LEU 104.A N HIS 100.A O no hydrogen 2.883 N/A LEU 105.A N ARG 101.A O no hydrogen 2.978 N/A SER 106.A N CYS 102.A O no hydrogen 2.871 N/A SER 106.A OG CYS 102.A O no hydrogen 2.696 N/A LEU 108.A N LEU 105.A O no hydrogen 3.203 N/A ARG 115.A N ASN 112.A OD1 no hydrogen 3.307 N/A ARG 115.A NE GLU 116.A OE2 no hydrogen 3.156 N/A ARG 115.A NH2 GLU 116.A OE2 no hydrogen 2.902 N/A LEU 117.A N TRP 113.A O no hydrogen 2.736 N/A GLU 118.A N ALA 114.A O no hydrogen 3.053 N/A LEU 119.A N ARG 115.A O no hydrogen 2.727 N/A CYS 120.A N GLU 116.A O no hydrogen 2.947 N/A CYS 120.A SG GLU 116.A O no hydrogen 3.384 N/A ALA 121.A N LEU 117.A O no hydrogen 2.958 N/A ARG 122.A N GLU 118.A O no hydrogen 2.847 N/A ARG 122.A NH2 GLU 85.A OE2 no hydrogen 2.704 N/A PHE 123.A N LEU 119.A O no hydrogen 3.034 N/A LEU 124.A N CYS 120.A O no hydrogen 2.958 N/A GLU 125.A N ALA 121.A O no hydrogen 3.052 N/A ALA 126.A N ARG 122.A O no hydrogen 3.225 N/A ASP 127.A N PHE 123.A O no hydrogen 2.882 N/A ARG 129.A N ASP 127.A OD1 no hydrogen 3.051 N/A ARG 129.A NE SER 167.A OG no hydrogen 3.246 N/A ASN 130.A N ASP 127.A O no hydrogen 3.115 N/A ASN 130.A ND2 PRO 92.A O no hydrogen 3.042 N/A CYS 133.A N ASN 130.A O no hydrogen 3.028 N/A CYS 133.A N ASN 130.A OD1 no hydrogen 3.237 N/A CYS 133.A SG CYS 120.A O no hydrogen 3.800 N/A TRP 134.A N ASN 130.A O no hydrogen 3.004 N/A TRP 134.A NE1 GLU 128.A O no hydrogen 2.836 N/A ASP 135.A N PHE 131.A O no hydrogen 2.795 N/A TYR 136.A N HIS 132.A O no hydrogen 2.906 N/A TYR 136.A OH GLU 116.A OE1 no hydrogen 2.919 N/A ARG 137.A N CYS 133.A O no hydrogen 2.772 N/A ARG 137.A NE GLU 151.A OE1 no hydrogen 2.737 N/A ARG 137.A NH1 LEU 117.A O no hydrogen 3.311 N/A ARG 137.A NH2 GLU 151.A OE2 no hydrogen 3.034 N/A ARG 138.A N TRP 134.A O no hydrogen 2.940 N/A ARG 138.A NH1 ASP 135.A OD2 no hydrogen 2.818 N/A PHE 139.A N ASP 135.A O no hydrogen 3.115 N/A VAL 140.A N TYR 136.A O no hydrogen 2.950 N/A ALA 141.A N ARG 137.A O no hydrogen 2.851 N/A ALA 142.A N ARG 138.A O no hydrogen 2.908 N/A GLN 143.A N PHE 139.A O no hydrogen 2.881 N/A ALA 144.A N VAL 140.A O no hydrogen 2.969 N/A ALA 145.A N ALA 142.A O no hydrogen 2.788 N/A VAL 146.A N ALA 141.A O no hydrogen 2.771 N/A GLU 150.A N ALA 147.A O no hydrogen 2.851 N/A LEU 152.A N PRO 148.A O no hydrogen 2.784 N/A ALA 153.A N ALA 149.A O no hydrogen 2.801 N/A PHE 154.A N GLU 150.A O no hydrogen 2.872 N/A THR 155.A N GLU 151.A O no hydrogen 2.967 N/A THR 155.A OG1 GLU 151.A O no hydrogen 3.532 N/A THR 155.A OG1 LEU 152.A O no hydrogen 2.685 N/A ASP 156.A N LEU 152.A O no hydrogen 3.093 N/A ASP 156.A N ALA 153.A O no hydrogen 3.219 N/A SER 157.A N ALA 153.A O no hydrogen 3.394 N/A SER 157.A OG ALA 153.A O no hydrogen 3.477 N/A SER 157.A OG PHE 154.A O no hydrogen 2.955 N/A LEU 158.A N PHE 154.A O no hydrogen 3.282 N/A ILE 159.A N THR 155.A O no hydrogen 3.107 N/A ILE 159.A N ASP 156.A O no hydrogen 3.018 N/A THR 160.A N ASP 156.A O no hydrogen 3.238 N/A THR 160.A OG1 SER 157.A O no hydrogen 3.367 N/A ARG 161.A N SER 157.A O no hydrogen 2.963 N/A ASN 165.A ND2 GLU 128.A OE2 no hydrogen 3.064 N/A ASN 165.A ND2 LEU 158.A O no hydrogen 3.646 N/A ASN 165.A ND2 ASN 162.A O no hydrogen 3.143 N/A ASN 165.A ND2 ASN 162.A OD1 no hydrogen 3.190 N/A SER 168.A OG GLU 128.A OE2 no hydrogen 2.701 N/A TRP 169.A N ASN 165.A O no hydrogen 2.864 N/A HIS 170.A N TYR 166.A O no hydrogen 2.937 N/A TYR 171.A N SER 167.A O no hydrogen 2.930 N/A TYR 171.A OH GLU 151.A OE1 no hydrogen 2.814 N/A ARG 172.A N SER 168.A O no hydrogen 3.031 N/A ARG 172.A N TRP 169.A O no hydrogen 2.885 N/A ARG 172.A NE GLU 193.A OE2 no hydrogen 3.203 N/A ARG 172.A NH1 THR 155.A OG1 no hydrogen 3.089 N/A ARG 172.A NH2 GLU 193.A OE1 no hydrogen 2.710 N/A SER 173.A N TRP 169.A O no hydrogen 3.012 N/A SER 173.A OG HIS 170.A O no hydrogen 2.676 N/A CYS 174.A N TYR 171.A O no hydrogen 3.246 N/A CYS 174.A SG HIS 170.A NE2 no hydrogen 3.824 N/A CYS 174.A SG HIS 170.A O no hydrogen 3.709 N/A LEU 175.A N TYR 171.A O no hydrogen 3.120 N/A LEU 176.A N ARG 172.A O no hydrogen 2.968 N/A GLN 178.A N LEU 175.A O no hydrogen 2.747 N/A LEU 179.A N LEU 175.A O no hydrogen 3.130 N/A LEU 179.A N LEU 176.A O no hydrogen 3.065 N/A HIS 180.A N LEU 176.A O no hydrogen 3.358 N/A LEU 190.A N PRO 186.A O no hydrogen 2.961 N/A LEU 191.A N GLU 187.A O no hydrogen 2.822 N/A LYS 192.A N ASN 188.A O no hydrogen 3.103 N/A GLU 193.A N VAL 189.A O no hydrogen 2.861 N/A LEU 194.A N LEU 190.A O no hydrogen 2.723 N/A GLU 195.A N LEU 191.A O no hydrogen 3.075 N/A LEU 196.A N LYS 192.A O no hydrogen 2.974 N/A VAL 197.A N GLU 193.A O no hydrogen 2.925 N/A GLN 198.A N LEU 194.A O no hydrogen 2.753 N/A ASN 199.A N GLU 195.A O no hydrogen 3.143 N/A ALA 200.A N LEU 196.A O no hydrogen 3.212 N/A PHE 201.A N VAL 197.A O no hydrogen 3.068 N/A PHE 202.A N GLN 198.A O no hydrogen 3.179 N/A PHE 202.A N ASN 199.A O no hydrogen 3.120 N/A THR 203.A N ASN 199.A O no hydrogen 2.860 N/A THR 203.A OG1 ASN 199.A O no hydrogen 3.011 N/A ASP 204.A N ALA 200.A O no hydrogen 2.878 N/A ASP 207.A N ASP 204.A O no hydrogen 3.067 N/A SER 209.A N ASP 207.A OD2 no hydrogen 3.146 N/A TRP 211.A NE1 PRO 205.A O no hydrogen 3.084 N/A PHE 212.A N GLN 208.A O no hydrogen 3.175 N/A TYR 213.A N SER 209.A O no hydrogen 3.180 N/A TYR 213.A OH GLU 193.A OE2 no hydrogen 2.682 N/A HIS 214.A N ALA 210.A O no hydrogen 2.875 N/A HIS 214.A NE2 GLU 238.A OE1 no hydrogen 2.601 N/A ARG 215.A N TRP 211.A O no hydrogen 2.921 N/A ARG 215.A NH1 TYR 292.A OH no hydrogen 2.999 N/A ARG 215.A NH2 TYR 292.A OH no hydrogen 3.096 N/A TRP 216.A N PHE 212.A O no hydrogen 3.218 N/A LEU 217.A N TYR 213.A O no hydrogen 2.976 N/A LEU 218.A N HIS 214.A O no hydrogen 2.899 N/A GLY 219.A N TRP 216.A O no hydrogen 3.113 N/A ALA 220.A N LEU 217.A O no hydrogen 3.043 N/A ARG 224.A NE ARG 264.A O no hydrogen 3.214 N/A ARG 224.A NH2 ARG 264.A O no hydrogen 3.083 N/A GLU 226.A N GLY 223.A O no hydrogen 3.203 N/A SER 228.A OG GLU 187.A OE2 no hydrogen 2.654 N/A LYS 231.A N SER 228.A OG no hydrogen 2.804 N/A SER 232.A N SER 228.A O no hydrogen 2.920 N/A THR 233.A N VAL 229.A O no hydrogen 2.965 N/A THR 233.A OG1 VAL 229.A O no hydrogen 2.657 N/A VAL 234.A N GLU 230.A O no hydrogen 2.846 N/A LEU 235.A N LYS 231.A O no hydrogen 2.769 N/A GLN 236.A N SER 232.A O no hydrogen 2.924 N/A GLN 236.A NE2 TYR 271.A OH no hydrogen 3.301 N/A SER 237.A N THR 233.A O no hydrogen 2.847 N/A GLU 238.A N VAL 234.A O no hydrogen 2.816 N/A LEU 239.A N LEU 235.A O no hydrogen 3.002 N/A GLU 240.A N GLN 236.A O no hydrogen 3.247 N/A SER 241.A N SER 237.A O no hydrogen 3.056 N/A SER 241.A OG SER 237.A O no hydrogen 3.022 N/A CYS 242.A N GLU 238.A O no hydrogen 2.917 N/A CYS 242.A SG GLU 238.A O no hydrogen 3.524 N/A LYS 243.A N LEU 239.A O no hydrogen 3.056 N/A LYS 243.A NZ GLU 240.A OE2 no hydrogen 3.286 N/A GLU 244.A N GLU 240.A O no hydrogen 2.924 N/A LEU 245.A N SER 241.A O no hydrogen 2.939 N/A GLN 246.A N CYS 242.A O no hydrogen 2.833 N/A GLN 246.A NE2 TYR 278.A OH no hydrogen 2.967 N/A GLU 247.A N LYS 243.A O no hydrogen 3.191 N/A LEU 248.A N GLU 244.A O no hydrogen 3.267 N/A GLU 249.A N LEU 245.A O no hydrogen 2.893 N/A ASN 252.A N GLU 249.A O no hydrogen 3.019 N/A ASN 252.A ND2 PRO 205.A O no hydrogen 2.803 N/A ASN 252.A ND2 ASN 206.A OD1 no hydrogen 3.286 N/A LYS 253.A NZ ASP 286.A OD2 no hydrogen 2.678 N/A CYS 255.A N ASN 252.A OD1 no hydrogen 2.946 N/A CYS 255.A SG.A ASN 252.A O no hydrogen 3.388 N/A CYS 255.A SG.B CYS 242.A O no hydrogen 2.898 N/A LEU 256.A N ASN 252.A O no hydrogen 3.503 N/A LEU 257.A N LYS 253.A O no hydrogen 2.838 N/A THR 258.A N TRP 254.A O no hydrogen 3.001 N/A THR 258.A OG1 TRP 254.A O no hydrogen 2.731 N/A ILE 259.A N CYS 255.A O no hydrogen 3.006 N/A ILE 260.A N LEU 256.A O no hydrogen 3.256 N/A LEU 261.A N LEU 257.A O no hydrogen 2.899 N/A LEU 262.A N THR 258.A O no hydrogen 2.759 N/A MET 263.A N ILE 259.A O no hydrogen 3.056 N/A ARG 264.A N ILE 260.A O no hydrogen 3.178 N/A ARG 264.A NH1 PHE 300.A O no hydrogen 3.497 N/A ARG 264.A NH1 GLU 303.A OE2 no hydrogen 2.948 N/A ARG 264.A NH1 ASN 304.A OD1 no hydrogen 3.129 N/A ARG 264.A NH2 ASN 304.A OD1 no hydrogen 2.770 N/A ALA 265.A N LEU 261.A O no hydrogen 3.087 N/A LEU 266.A N LEU 262.A O no hydrogen 2.979 N/A LEU 266.A N MET 263.A O no hydrogen 3.191 N/A ASP 267.A N MET 263.A O no hydrogen 2.867 N/A LEU 270.A N ASP 267.A OD1 no hydrogen 3.252 N/A TYR 271.A N ASP 267.A O no hydrogen 3.181 N/A GLU 272.A N LEU 269.A O no hydrogen 3.203 N/A GLU 274.A N GLU 274.A OE1 no hydrogen 2.942 N/A THR 275.A N TYR 271.A O no hydrogen 2.708 N/A THR 275.A OG1 TYR 271.A O no hydrogen 3.081 N/A LEU 276.A N GLU 272.A O no hydrogen 3.207 N/A GLN 277.A N LYS 273.A O no hydrogen 3.015 N/A TYR 278.A N GLU 274.A O no hydrogen 2.956 N/A PHE 279.A N THR 275.A O no hydrogen 3.128 N/A SER 280.A N LEU 276.A O no hydrogen 3.284 N/A THR 281.A N GLN 277.A O no hydrogen 3.138 N/A THR 281.A OG1 GLN 277.A O no hydrogen 3.371 N/A LEU 282.A N TYR 278.A O no hydrogen 2.826 N/A LYS 283.A N PHE 279.A O no hydrogen 2.927 N/A LYS 283.A NZ ASP 294.A OD2 no hydrogen 2.904 N/A ALA 284.A N SER 280.A O no hydrogen 3.048 N/A VAL 285.A N THR 281.A O no hydrogen 2.942 N/A ASP 286.A N LEU 282.A O no hydrogen 2.795 N/A ARG 289.A N ASP 286.A O no hydrogen 3.054 N/A ARG 289.A NE ASP 286.A OD1 no hydrogen 3.448 N/A ARG 289.A NE ASP 286.A OD2 no hydrogen 3.104 N/A ARG 289.A NH2 ASP 286.A OD1 no hydrogen 2.952 N/A ALA 290.A N PRO 287.A O no hydrogen 2.930 N/A LEU 293.A N ARG 289.A O no hydrogen 2.816 N/A ASP 294.A N ALA 290.A O no hydrogen 2.996 N/A ASP 295.A N ALA 291.A O no hydrogen 3.153 N/A LEU 296.A N TYR 292.A O no hydrogen 2.878 N/A ARG 297.A N LEU 293.A O no hydrogen 2.861 N/A SER 298.A N ASP 294.A O no hydrogen 2.822 N/A SER 298.A OG ASP 294.A O no hydrogen 3.100 N/A LYS 299.A N ASP 295.A O no hydrogen 2.980 N/A PHE 300.A N LEU 296.A O no hydrogen 3.110 N/A LEU 301.A N ARG 297.A O no hydrogen 2.872 N/A LEU 302.A N SER 298.A O no hydrogen 3.068 N/A GLU 303.A N LYS 299.A O no hydrogen 2.908 N/A ASN 304.A N PHE 300.A O no hydrogen 2.860 N/A ASN 304.A ND2 GLU 272.A OE2 no hydrogen 3.306 N/A SER 305.A N LEU 301.A O no hydrogen 2.833 N/A VAL 306.A N LEU 302.A O no hydrogen 2.994 N/A LEU 307.A N GLU 303.A O no hydrogen 3.088 N/A LYS 308.A N ASN 304.A O no hydrogen 2.945 N/A LYS 308.A NZ GLU 272.A OE2 no hydrogen 3.196 N/A MET 309.A N SER 305.A O no hydrogen 3.126 N/A GLU 310.A N VAL 306.A O no hydrogen 3.235 N/A TYR 311.A N LYS 308.A O no hydrogen 3.158 N/A