Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1hxp_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ASN 4.A N HIS 8.A ND1 no hydrogen 2.946 N/A ASN 4.A ND2 ASP 7.A OD2 no hydrogen 3.019 N/A ASP 7.A N ASN 4.A O no hydrogen 2.456 N/A HIS 8.A N ASN 4.A O no hydrogen 2.733 N/A HIS 10.A N VAL 23.A O no hydrogen 3.022 N/A HIS 10.A ND1 HIS 8.A O no hydrogen 2.848 N/A ARG 11.A NE GLU 313.A OE2 no hydrogen 2.675 N/A ARG 11.A NH2 GLU 313.A OE1 no hydrogen 2.840 N/A ARG 11.A NH2 GLU 313.A OE2 no hydrogen 3.490 N/A ARG 12.A N ILE 21.A O no hydrogen 2.739 N/A ARG 12.A NE HIS 10.A NE2 no hydrogen 3.194 N/A ARG 12.A NH1 TYR 217.A O no hydrogen 3.058 N/A ARG 12.A NH1 GLU 321.A OE1 no hydrogen 3.424 N/A ARG 12.A NH1 GLU 321.A OE2 no hydrogen 2.894 N/A ARG 12.A NH2 GLU 321.A OE1 no hydrogen 2.807 N/A ARG 12.A NH2 GLU 321.A OE2 no hydrogen 3.442 N/A ASN 14.A N GLN 19.A O no hydrogen 2.862 N/A LEU 16.A N ASN 14.A OD1 no hydrogen 2.782 N/A THR 17.A N ASN 14.A O no hydrogen 3.370 N/A THR 17.A N ASN 14.A OD1 no hydrogen 3.325 N/A GLY 18.A N ASN 14.A O no hydrogen 2.761 N/A GLN 19.A N THR 17.A OG1 no hydrogen 3.269 N/A ILE 21.A N ARG 12.A O no hydrogen 2.717 N/A LEU 22.A N THR 314.A O no hydrogen 2.924 N/A VAL 23.A N HIS 10.A O no hydrogen 2.635 N/A SER 24.A N ARG 316.A O no hydrogen 2.958 N/A ARG 27.A NH1 GLN 315.A OE1 no hydrogen 3.191 N/A ARG 27.A NH1 ASP 317.A OD1 no hydrogen 3.212 N/A HIS 40.A NE2 ALA 48.A O no hydrogen 3.084 N/A ASP 43.A N ASP 41.A OD1 no hydrogen 2.530 N/A CYS 44.A N ASP 41.A O no hydrogen 2.982 N/A CYS 44.A N ASP 41.A OD1 no hydrogen 3.299 N/A CYS 44.A SG HIS 107.A ND1 no hydrogen 3.473 N/A CYS 44.A SG ASN 154.A OD1 no hydrogen 3.820 N/A CYS 44.A SG HIS 156.A ND1 no hydrogen 3.599 N/A CYS 47.A N CYS 44.A O no hydrogen 3.300 N/A CYS 47.A SG ASP 41.A O no hydrogen 3.873 N/A CYS 47.A SG HIS 107.A ND1 no hydrogen 3.517 N/A CYS 47.A SG HIS 156.A ND1 no hydrogen 3.453 N/A GLY 49.A N PRO 59.A O no hydrogen 2.954 N/A ASN 50.A N CYS 47.A O no hydrogen 3.371 N/A ASN 50.A ND2 ASP 41.A O no hydrogen 2.720 N/A ASN 50.A ND2 CYS 44.A O no hydrogen 2.853 N/A ARG 52.A N ASP 56.A O no hydrogen 2.814 N/A ARG 52.A NE ASP 70.A OD2 no hydrogen 3.038 N/A ARG 52.A NH1 ASN 58.A OD1 no hydrogen 2.700 N/A ARG 52.A NH2 ASP 70.A OD1 no hydrogen 3.511 N/A THR 54.A OG1 ASP 56.A OD2 no hydrogen 2.824 N/A GLY 55.A N ARG 52.A O no hydrogen 2.697 N/A ASP 56.A N THR 54.A OG1 no hydrogen 3.374 N/A ASN 58.A N ASN 50.A O no hydrogen 2.721 N/A ASN 58.A ND2 PHE 45.A O no hydrogen 2.763 N/A ASN 58.A ND2 CYS 47.A O no hydrogen 3.053 N/A TYR 61.A OH LEU 46.A O no hydrogen 2.664 N/A THR 64.A OG1 THR 125.A OG1 no hydrogen 2.921 N/A TYR 65.A N CYS 102.A O no hydrogen 3.099 N/A PHE 67.A N VAL 100.A O no hydrogen 3.080 N/A ASN 69.A N SER 98.A O no hydrogen 2.869 N/A ALA 81.A N SER 93.A OG no hydrogen 3.202 N/A LEU 88.A N ASP 86.A OD1 no hydrogen 2.918 N/A MET 89.A N ASP 86.A OD1 no hydrogen 2.910 N/A ARG 90.A NH1 ASP 86.A O no hydrogen 3.468 N/A SER 93.A OG ASP 80.A OD1 no hydrogen 3.079 N/A ARG 95.A N SER 165.A OG no hydrogen 2.993 N/A ARG 95.A NH1 THR 78.A O no hydrogen 2.914 N/A ARG 95.A NH1 ASP 80.A OD1 no hydrogen 2.671 N/A ARG 95.A NH2 ASP 80.A OD1 no hydrogen 3.043 N/A GLY 96.A N MET 75.A O no hydrogen 3.110 N/A THR 97.A N ALA 163.A O no hydrogen 3.270 N/A ARG 99.A N ILE 161.A O no hydrogen 2.893 N/A ARG 99.A NH1 GLN 129.A OE1 no hydrogen 2.769 N/A ARG 99.A NH1 GLU 132.A OE1 no hydrogen 3.077 N/A ARG 99.A NH1 GLU 132.A OE2 no hydrogen 3.120 N/A ARG 99.A NH2 GLU 132.A OE2 no hydrogen 2.790 N/A VAL 100.A N PHE 67.A O no hydrogen 2.821 N/A ILE 101.A N GLY 159.A O no hydrogen 2.877 N/A CYS 102.A N TYR 65.A O no hydrogen 2.709 N/A CYS 102.A SG LEU 46.A O no hydrogen 3.776 N/A PHE 103.A N PRO 157.A O no hydrogen 3.312 N/A ASP 106.A N SER 104.A OG no hydrogen 3.059 N/A HIS 107.A N ALA 39.A O no hydrogen 2.962 N/A HIS 107.A ND1 HIS 156.A ND1 no hydrogen 3.113 N/A SER 108.A N ASP 106.A OD1 no hydrogen 2.878 N/A SER 108.A OG ASP 106.A OD1 no hydrogen 2.785 N/A LYS 109.A N ASP 106.A O no hydrogen 3.394 N/A THR 110.A N GLU 113.A OE1 no hydrogen 3.205 N/A THR 110.A OG1 GLU 113.A OE1 no hydrogen 2.800 N/A GLU 113.A N THR 110.A O no hydrogen 2.894 N/A LEU 114.A N LEU 111.A O no hydrogen 3.192 N/A ALA 118.A N SER 115.A OG no hydrogen 2.981 N/A LEU 119.A N SER 115.A O no hydrogen 2.863 N/A THR 120.A N VAL 116.A O no hydrogen 2.883 N/A THR 120.A OG1 VAL 116.A O no hydrogen 2.824 N/A GLU 121.A N ALA 117.A O no hydrogen 3.209 N/A ILE 122.A N ALA 118.A O no hydrogen 3.188 N/A VAL 123.A N LEU 119.A O no hydrogen 3.025 N/A LYS 124.A N THR 120.A O no hydrogen 2.881 N/A THR 125.A N GLU 121.A O no hydrogen 2.887 N/A THR 125.A OG1 THR 64.A OG1 no hydrogen 2.921 N/A THR 125.A OG1 GLU 121.A O no hydrogen 2.993 N/A TRP 126.A N ILE 122.A O no hydrogen 2.885 N/A GLN 127.A N VAL 123.A O no hydrogen 2.915 N/A GLU 128.A N LYS 124.A O no hydrogen 2.979 N/A GLN 129.A N THR 125.A O no hydrogen 2.992 N/A THR 130.A N TRP 126.A O no hydrogen 2.945 N/A THR 130.A OG1 TRP 126.A O no hydrogen 2.742 N/A ALA 131.A N GLN 127.A O no hydrogen 2.766 N/A GLU 132.A N GLU 128.A O no hydrogen 2.979 N/A LEU 133.A N GLN 129.A O no hydrogen 2.972 N/A GLY 134.A N THR 130.A O no hydrogen 2.961 N/A LYS 135.A N GLU 132.A O no hydrogen 3.266 N/A THR 136.A N LEU 133.A O no hydrogen 2.927 N/A TYR 137.A N LEU 133.A O no hydrogen 2.775 N/A TRP 139.A N ASN 164.A O no hydrogen 3.475 N/A TRP 139.A NE1 GLN 141.A OE1 no hydrogen 3.091 N/A GLN 141.A N TRP 162.A O no hydrogen 2.640 N/A GLN 141.A NE2 VAL 142.A O no hydrogen 2.983 N/A GLN 141.A NE2 TRP 272.A O no hydrogen 2.981 N/A PHE 143.A N GLN 160.A O no hydrogen 2.954 N/A GLU 144.A N MET 270.A O no hydrogen 2.923 N/A LYS 146.A N TYR 268.A O no hydrogen 2.771 N/A LYS 146.A NZ PHE 266.A O no hydrogen 3.046 N/A MET 150.A N GLY 147.A O no hydrogen 3.037 N/A GLY 151.A N ALA 148.A O no hydrogen 2.753 N/A CYS 152.A N GLY 147.A O no hydrogen 3.174 N/A CYS 152.A SG ASN 145.A O no hydrogen 3.195 N/A CYS 152.A SG GLY 147.A O no hydrogen 3.607 N/A HIS 156.A N ASN 154.A OD1 no hydrogen 2.799 N/A HIS 156.A ND1 HIS 107.A ND1 no hydrogen 3.113 N/A HIS 156.A NE2 SER 104.A O no hydrogen 2.938 N/A HIS 158.A ND1 HIS 156.A O no hydrogen 2.616 N/A GLY 159.A N ILE 101.A O no hydrogen 2.890 N/A GLN 160.A N PHE 143.A O no hydrogen 2.905 N/A ILE 161.A N ARG 99.A O no hydrogen 2.888 N/A TRP 162.A N GLN 141.A O no hydrogen 2.856 N/A TRP 162.A NE1 GLN 160.A OE1 no hydrogen 3.253 N/A ALA 163.A N THR 97.A O no hydrogen 2.996 N/A ASN 164.A N TRP 139.A O no hydrogen 2.718 N/A SER 165.A N ARG 95.A O no hydrogen 2.900 N/A SER 165.A OG ARG 95.A O no hydrogen 3.127 N/A GLU 172.A N PRO 168.A O no hydrogen 2.995 N/A ARG 173.A N ASN 169.A O no hydrogen 2.998 N/A ARG 173.A NH2 GLU 170.A OE1 no hydrogen 3.277 N/A GLU 174.A N GLU 170.A O no hydrogen 2.834 N/A ASP 175.A N ALA 171.A O no hydrogen 2.870 N/A ARG 176.A N GLU 172.A O no hydrogen 2.946 N/A ARG 176.A NE GLU 172.A OE2 no hydrogen 3.342 N/A ARG 176.A NH2 GLU 172.A OE1 no hydrogen 3.353 N/A LEU 177.A N ARG 173.A O no hydrogen 3.016 N/A GLN 178.A N GLU 174.A O no hydrogen 2.910 N/A GLN 178.A NE2 GLU 174.A O no hydrogen 3.070 N/A LYS 179.A N ASP 175.A O no hydrogen 2.978 N/A GLU 180.A N ARG 176.A O no hydrogen 2.875 N/A TYR 181.A N LEU 177.A O no hydrogen 3.099 N/A TYR 181.A OH ASP 192.A OD2 no hydrogen 2.708 N/A PHE 182.A N GLN 178.A O no hydrogen 2.862 N/A ALA 183.A N LYS 179.A O no hydrogen 2.886 N/A GLU 184.A N GLU 180.A O no hydrogen 3.182 N/A GLN 185.A N TYR 181.A O no hydrogen 2.828 N/A LYS 186.A N PHE 182.A O no hydrogen 2.794 N/A SER 187.A OG ASP 192.A OD1 no hydrogen 2.837 N/A VAL 191.A N PRO 188.A O no hydrogen 3.047 N/A ASP 192.A N PRO 188.A O no hydrogen 3.133 N/A TYR 193.A N MET 189.A O no hydrogen 3.024 N/A VAL 194.A N LEU 190.A O no hydrogen 2.885 N/A GLN 195.A N VAL 191.A O no hydrogen 3.177 N/A ARG 196.A N ASP 192.A O no hydrogen 3.119 N/A GLU 197.A N TYR 193.A O no hydrogen 2.913 N/A LEU 198.A N VAL 194.A O no hydrogen 2.944 N/A ALA 199.A N GLN 195.A O no hydrogen 3.245 N/A ASP 200.A N ARG 196.A O no hydrogen 3.125 N/A ASP 200.A N GLU 197.A O no hydrogen 3.225 N/A GLY 201.A N GLU 197.A O no hydrogen 2.944 N/A SER 202.A N ASP 200.A OD1 no hydrogen 2.918 N/A SER 202.A OG ASP 200.A OD1 no hydrogen 2.888 N/A ARG 203.A NE GLU 197.A OE2 no hydrogen 2.773 N/A ARG 203.A NH1 GLU 321.A OE2 no hydrogen 2.929 N/A ARG 203.A NH2 GLU 197.A OE1 no hydrogen 2.895 N/A ARG 203.A NH2 GLU 197.A OE2 no hydrogen 3.431 N/A ARG 203.A NH2 ASP 200.A OD2 no hydrogen 3.111 N/A THR 204.A N GLY 201.A O no hydrogen 3.295 N/A VAL 205.A N ALA 213.A O no hydrogen 2.862 N/A VAL 206.A N ALA 213.A O no hydrogen 3.212 N/A THR 208.A N TRP 211.A O no hydrogen 2.811 N/A THR 208.A OG1 TRP 211.A O no hydrogen 3.494 N/A THR 208.A OG1 ASP 246.A OD2 no hydrogen 2.764 N/A HIS 210.A N ASP 246.A OD2 no hydrogen 2.803 N/A TRP 211.A N THR 208.A OG1 no hydrogen 3.108 N/A TRP 211.A NE1 GLN 243.A O no hydrogen 2.962 N/A LEU 212.A N LEU 228.A O no hydrogen 2.879 N/A ALA 213.A N VAL 206.A O no hydrogen 2.835 N/A VAL 214.A N LEU 226.A O no hydrogen 3.062 N/A VAL 215.A N ARG 203.A O no hydrogen 2.903 N/A TYR 217.A N TYR 193.A OH no hydrogen 2.904 N/A ALA 219.A N PRO 216.A O no hydrogen 2.971 N/A ALA 220.A N GLU 224.A OE1 no hydrogen 2.914 N/A TRP 221.A N GLU 224.A OE1 no hydrogen 3.127 N/A GLU 224.A N TRP 221.A O no hydrogen 3.201 N/A THR 225.A N PHE 291.A O no hydrogen 3.252 N/A THR 225.A OG1 TYR 258.A OH no hydrogen 2.662 N/A LEU 226.A N VAL 214.A O no hydrogen 2.811 N/A LEU 227.A N ALA 289.A O no hydrogen 2.849 N/A LEU 228.A N LEU 212.A O no hydrogen 2.947 N/A LYS 230.A N HIS 210.A O no hydrogen 2.906 N/A LYS 230.A NZ GLU 207.A OE2 no hydrogen 2.587 N/A LYS 230.A NZ THR 208.A O no hydrogen 2.675 N/A LYS 230.A NZ GLU 209.A O no hydrogen 3.544 N/A HIS 232.A NE2 TRP 285.A O no hydrogen 2.742 N/A VAL 233.A N GLN 286.A OE1 no hydrogen 3.006 N/A ARG 235.A N ASP 238.A OD2 no hydrogen 3.257 N/A ARG 235.A NE ALA 275.A O no hydrogen 2.865 N/A ARG 235.A NH2 PRO 276.A O no hydrogen 2.731 N/A ASP 238.A N ARG 235.A O no hydrogen 2.936 N/A LEU 239.A N ILE 236.A O no hydrogen 3.445 N/A GLN 243.A N THR 240.A OG1 no hydrogen 3.094 N/A ARG 244.A N THR 240.A O no hydrogen 2.917 N/A SER 245.A N ASP 241.A O no hydrogen 2.958 N/A ASP 246.A N ALA 242.A O no hydrogen 3.027 N/A LEU 247.A N GLN 243.A O no hydrogen 2.844 N/A ALA 248.A N ARG 244.A O no hydrogen 3.191 N/A LEU 249.A N SER 245.A O no hydrogen 3.332 N/A ALA 250.A N ASP 246.A O no hydrogen 2.916 N/A LEU 251.A N LEU 247.A O no hydrogen 2.896 N/A LYS 252.A N ALA 248.A O no hydrogen 3.045 N/A LYS 252.A NZ PRO 112.A O no hydrogen 2.662 N/A LYS 252.A NZ LEU 114.A O no hydrogen 2.834 N/A LYS 252.A NZ GLU 337.A OE1 no hydrogen 3.167 N/A LYS 252.A NZ GLU 337.A OE2 no hydrogen 2.967 N/A LYS 253.A N LEU 249.A O no hydrogen 2.875 N/A LYS 253.A NZ ASP 332.A OD2 no hydrogen 2.852 N/A LEU 254.A N ALA 250.A O no hydrogen 2.785 N/A THR 255.A N LEU 251.A O no hydrogen 3.055 N/A THR 255.A OG1 LEU 251.A O no hydrogen 2.834 N/A SER 256.A N LYS 252.A O no hydrogen 3.055 N/A SER 256.A OG LYS 252.A O no hydrogen 2.797 N/A ARG 257.A N LYS 253.A O no hydrogen 3.015 N/A ARG 257.A NH1 LEU 327.A O no hydrogen 2.883 N/A ARG 257.A NH1 ARG 328.A O no hydrogen 3.405 N/A TYR 258.A N LEU 254.A O no hydrogen 3.058 N/A TYR 258.A OH PHE 223.A O no hydrogen 2.769 N/A TYR 258.A OH THR 225.A OG1 no hydrogen 2.662 N/A ASP 259.A N THR 255.A O no hydrogen 3.102 N/A ASN 260.A N SER 256.A O no hydrogen 2.852 N/A ASN 260.A ND2 SER 331.A O no hydrogen 2.911 N/A ASN 260.A ND2 ILE 333.A O no hydrogen 2.935 N/A LEU 261.A N ARG 257.A O no hydrogen 3.114 N/A LEU 261.A N TYR 258.A O no hydrogen 3.322 N/A GLN 263.A NE2 ASN 260.A O no hydrogen 3.084 N/A GLN 263.A NE2 ASN 260.A OD1 no hydrogen 3.587 N/A CYS 264.A N ASP 259.A O no hydrogen 3.083 N/A CYS 264.A SG PHE 262.A O no hydrogen 3.810 N/A PHE 266.A N ASP 259.A OD1 no hydrogen 2.957 N/A TYR 268.A N LYS 146.A O no hydrogen 3.250 N/A TYR 268.A OH GLU 144.A OE1 no hydrogen 2.775 N/A SER 269.A N TYR 292.A O no hydrogen 3.197 N/A SER 269.A OG ASN 145.A OD1 no hydrogen 2.600 N/A MET 270.A N GLU 144.A O no hydrogen 2.948 N/A GLY 271.A N HIS 290.A O no hydrogen 3.093 N/A TRP 272.A N VAL 142.A O no hydrogen 3.082 N/A HIS 273.A N HIS 288.A O no hydrogen 2.790 N/A HIS 273.A ND1 GLU 174.A OE2 no hydrogen 3.062 N/A ALA 275.A N LEU 234.A O no hydrogen 2.924 N/A PHE 277.A N PRO 138.A O no hydrogen 2.787 N/A HIS 284.A NE2 ASP 175.A OD1 no hydrogen 2.895 N/A TRP 285.A N ASN 282.A O no hydrogen 2.968 N/A TRP 285.A NE1 ASP 175.A OD1 no hydrogen 2.706 N/A GLN 286.A NE2 PRO 229.A O no hydrogen 3.031 N/A GLN 286.A NE2 ALA 231.A O no hydrogen 2.943 N/A LEU 287.A N VAL 233.A O no hydrogen 2.800 N/A HIS 288.A N HIS 273.A O no hydrogen 3.067 N/A HIS 288.A ND1 GLN 286.A O no hydrogen 2.849 N/A HIS 288.A NE2 HIS 290.A NE2 no hydrogen 3.011 N/A ALA 289.A N LEU 227.A O no hydrogen 2.905 N/A HIS 290.A N GLY 271.A O no hydrogen 2.983 N/A HIS 290.A NE2 GLU 174.A OE2 no hydrogen 3.047 N/A HIS 290.A NE2 HIS 273.A ND1 no hydrogen 3.076 N/A PHE 291.A N THR 225.A O no hydrogen 3.014 N/A TYR 292.A N SER 269.A O no hydrogen 2.743 N/A LEU 296.A N VAL 301.A O no hydrogen 2.880 N/A ARG 297.A N VAL 301.A O no hydrogen 3.006 N/A SER 298.A OG THR 300.A OG1 no hydrogen 3.020 N/A THR 300.A N SER 298.A OG no hydrogen 2.780 N/A THR 300.A OG1 SER 298.A OG no hydrogen 3.020 N/A VAL 301.A N SER 298.A OG no hydrogen 2.848 N/A ARG 302.A NE LYS 303.A O no hydrogen 2.747 N/A ARG 302.A NH1 ALA 149.A O no hydrogen 3.322 N/A ARG 302.A NH2 LYS 303.A O no hydrogen 3.141 N/A LYS 303.A N PRO 294.A O no hydrogen 2.780 N/A LYS 303.A NZ GLU 309.A OE2 no hydrogen 3.238 N/A LYS 303.A NZ GLN 315.A O no hydrogen 3.055 N/A GLU 309.A N VAL 306.A O no hydrogen 2.633 N/A MET 310.A N GLY 307.A O no hydrogen 3.018 N/A LEU 311.A N GLY 307.A O no hydrogen 3.000 N/A ALA 312.A N TYR 308.A O no hydrogen 2.779 N/A GLU 313.A N TYR 308.A O no hydrogen 3.238 N/A GLN 315.A N GLU 309.A OE1 no hydrogen 2.932 N/A GLN 315.A NE2 ASP 317.A OD1 no hydrogen 2.784 N/A ARG 316.A N LEU 22.A O no hydrogen 2.834 N/A ARG 316.A NE LEU 318.A O no hydrogen 2.805 N/A ARG 316.A NH1 ALA 219.A O no hydrogen 3.110 N/A ARG 316.A NH1 TRP 221.A O no hydrogen 2.603 N/A ARG 316.A NH2 PRO 222.A O no hydrogen 2.905 N/A ARG 316.A NH2 LEU 318.A O no hydrogen 3.042 N/A THR 319.A N GLN 322.A OE1 no hydrogen 3.179 N/A THR 319.A OG1 GLN 322.A OE1 no hydrogen 3.307 N/A GLN 322.A N THR 319.A OG1 no hydrogen 3.046 N/A ALA 323.A N THR 319.A O no hydrogen 2.914 N/A ALA 324.A N ALA 320.A O no hydrogen 3.025 N/A GLU 325.A N GLU 321.A O no hydrogen 3.188 N/A ARG 326.A N GLN 322.A O no hydrogen 3.125 N/A LEU 327.A N ALA 323.A O no hydrogen 3.090 N/A ARG 328.A N ALA 324.A O no hydrogen 2.793 N/A ARG 328.A NH1 SER 202.A O no hydrogen 3.011 N/A ARG 328.A NH1 THR 204.A O no hydrogen 2.866 N/A ARG 328.A NH2 SER 202.A O no hydrogen 3.510 N/A ALA 329.A N GLU 325.A O no hydrogen 3.063 N/A ALA 329.A N ARG 326.A O no hydrogen 3.292 N/A ILE 333.A N SER 331.A OG no hydrogen 3.200 N/A PHE 335.A N ASN 260.A OD1 no hydrogen 3.148 N/A ARG 336.A NH1 GLU 113.A OE2 no hydrogen 3.015 N/A GLU 337.A N HIS 334.A O no hydrogen 2.718 N/A SER 338.A N HIS 334.A O no hydrogen 3.015 N/A SER 338.A OG PHE 335.A O no hydrogen 3.376 N/A