Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2ast_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 5.A OG SER 2.A O no hydrogen 3.172 N/A LEU 10.A N PRO 7.A O no hydrogen 3.058 N/A LEU 11.A N PRO 7.A O no hydrogen 3.194 N/A LEU 12.A N ASP 8.A O no hydrogen 2.892 N/A GLY 13.A N GLU 9.A O no hydrogen 3.043 N/A ILE 14.A N LEU 10.A O no hydrogen 3.096 N/A PHE 15.A N LEU 11.A O no hydrogen 2.731 N/A SER 16.A N LEU 12.A O no hydrogen 2.884 N/A SER 16.A OG GLY 13.A O no hydrogen 3.074 N/A CYS 17.A N ILE 14.A O no hydrogen 3.110 N/A CYS 17.A SG GLY 13.A O no hydrogen 3.480 N/A LEU 18.A N PHE 15.A O no hydrogen 2.834 N/A CYS 19.A SG GLU 22.A OE1 no hydrogen 3.583 N/A LEU 23.A N CYS 19.A O no hydrogen 2.900 N/A LEU 24.A N LEU 20.A O no hydrogen 3.135 N/A LYS 25.A N PRO 21.A O no hydrogen 3.027 N/A LYS 25.A NZ GLU 22.A OE2 no hydrogen 2.726 N/A VAL 26.A N GLU 22.A O no hydrogen 3.362 N/A SER 27.A N LEU 24.A O no hydrogen 3.263 N/A SER 27.A OG LEU 24.A O no hydrogen 2.544 N/A GLY 28.A N LYS 25.A O no hydrogen 3.064 N/A ARG 32.A NE ASP 8.A OD1 no hydrogen 3.245 N/A ARG 32.A NH1 LEU 6.A O no hydrogen 3.276 N/A ARG 32.A NH2 LEU 6.A O no hydrogen 2.699 N/A ARG 32.A NH2 ASP 8.A OD1 no hydrogen 2.961 N/A TYR 34.A N CYS 30.A O no hydrogen 2.865 N/A ARG 35.A N LYS 31.A O no hydrogen 3.183 N/A LEU 36.A N ARG 32.A O no hydrogen 3.086 N/A ALA 37.A N TRP 33.A O no hydrogen 2.972 N/A SER 38.A OG TYR 34.A O no hydrogen 3.510 N/A ASP 39.A N LEU 36.A O no hydrogen 3.178 N/A SER 41.A N ASP 39.A OD2 no hydrogen 3.349 N/A SER 41.A OG ASP 39.A OD2 no hydrogen 2.523 N/A TRP 43.A N GLU 40.A O no hydrogen 2.893 N/A TRP 43.A NE1 ALA 37.A O no hydrogen 2.763 N/A LEU 46.A N ALA 68.A O no hydrogen 2.911 N/A ASP 47.A N LEU 322.A O no hydrogen 2.766 N/A LEU 48.A N ARG 70.A O no hydrogen 2.758 N/A THR 49.A N ASP 47.A OD1 no hydrogen 2.916 N/A THR 49.A OG1 ASP 47.A OD1 no hydrogen 2.751 N/A GLY 50.A N PRO 72.A O no hydrogen 3.036 N/A LYS 51.A N LEU 48.A O no hydrogen 2.958 N/A LEU 53.A N PHE 75.A O no hydrogen 2.876 N/A ASP 56.A N HIS 54.A ND1 no hydrogen 3.072 N/A VAL 57.A N HIS 54.A O no hydrogen 3.004 N/A THR 58.A N HIS 54.A O no hydrogen 3.363 N/A GLY 59.A N PRO 55.A O no hydrogen 2.910 N/A ARG 60.A N ASP 56.A O no hydrogen 2.941 N/A LEU 61.A N VAL 57.A O no hydrogen 2.814 N/A LEU 62.A N THR 58.A O no hydrogen 2.936 N/A SER 63.A N GLY 59.A O no hydrogen 2.988 N/A SER 63.A OG ARG 60.A O no hydrogen 2.528 N/A GLN 64.A N LEU 61.A O no hydrogen 3.190 N/A GLY 65.A N LEU 62.A O no hydrogen 3.097 N/A ILE 67.A N GLN 44.A O no hydrogen 2.661 N/A ALA 68.A N GLN 44.A O no hydrogen 2.966 N/A PHE 69.A N HIS 91.A O no hydrogen 2.722 N/A ARG 70.A N LEU 46.A O no hydrogen 2.838 N/A ARG 70.A NH1 ASP 47.A OD2 no hydrogen 2.728 N/A CYS 71.A N ASP 93.A O no hydrogen 2.788 N/A CYS 71.A SG LEU 48.A O no hydrogen 3.825 N/A ARG 73.A N SER 95.A O no hydrogen 2.829 N/A SER 74.A N SER 97.A OG no hydrogen 3.211 N/A SER 74.A OG CYS 71.A O no hydrogen 3.167 N/A SER 74.A OG SER 97.A OG no hydrogen 2.825 N/A PHE 75.A N LYS 51.A O no hydrogen 2.888 N/A MET 76.A N VAL 98.A O no hydrogen 2.661 N/A ALA 81.A N ASP 56.A OD1 no hydrogen 2.900 N/A PHE 87.A N GLN 110.A O no hydrogen 2.768 N/A GLN 90.A N ILE 67.A O no hydrogen 2.795 N/A HIS 91.A N ILE 67.A O no hydrogen 2.982 N/A MET 92.A N ASN 116.A O no hydrogen 2.982 N/A ASP 93.A N PHE 69.A O no hydrogen 2.989 N/A LEU 94.A N SER 118.A O no hydrogen 3.042 N/A SER 95.A N ASP 93.A OD1 no hydrogen 2.974 N/A SER 95.A OG ASP 93.A OD1 no hydrogen 2.648 N/A ASN 96.A N GLU 120.A O no hydrogen 2.819 N/A SER 97.A OG SER 74.A OG no hydrogen 2.825 N/A SER 97.A OG LEU 94.A O no hydrogen 2.745 N/A VAL 98.A N SER 74.A O no hydrogen 2.853 N/A THR 103.A OG1 GLN 78.A O no hydrogen 3.310 N/A LEU 104.A N GLU 100.A O no hydrogen 3.001 N/A HIS 105.A N VAL 101.A O no hydrogen 2.863 N/A GLY 106.A N SER 102.A O no hydrogen 2.821 N/A ILE 107.A N THR 103.A O no hydrogen 2.995 N/A LEU 108.A N LEU 104.A O no hydrogen 2.903 N/A SER 109.A N HIS 105.A O no hydrogen 2.808 N/A SER 109.A OG HIS 105.A O no hydrogen 3.091 N/A SER 109.A OG GLY 106.A O no hydrogen 3.008 N/A GLN 110.A N ILE 107.A O no hydrogen 3.181 N/A CYS 111.A N LEU 108.A O no hydrogen 3.033 N/A CYS 111.A SG ILE 107.A O no hydrogen 3.615 N/A GLN 115.A N GLN 90.A O no hydrogen 2.611 N/A ASN 116.A N GLN 90.A O no hydrogen 3.022 N/A ASN 116.A ND2 GLN 115.A OE1 no hydrogen 3.347 N/A LEU 117.A N ARG 140.A O no hydrogen 2.923 N/A SER 118.A N MET 92.A O no hydrogen 3.013 N/A LEU 119.A N ASN 142.A O no hydrogen 2.830 N/A GLY 121.A N SER 144.A O no hydrogen 2.770 N/A LEU 122.A N LEU 119.A O no hydrogen 3.104 N/A ARG 123.A NH1 SER 147.A OG no hydrogen 3.369 N/A LEU 124.A N SER 147.A O no hydrogen 2.736 N/A ILE 128.A N SER 125.A OG no hydrogen 3.258 N/A VAL 129.A N SER 125.A O no hydrogen 3.020 N/A ASN 130.A N ASP 126.A O no hydrogen 2.780 N/A THR 131.A N PRO 127.A O no hydrogen 2.806 N/A LEU 132.A N ILE 128.A O no hydrogen 2.826 N/A ALA 133.A N ASN 130.A O no hydrogen 3.173 N/A LYS 134.A N THR 131.A O no hydrogen 3.167 N/A LYS 134.A NZ SER 109.A O no hydrogen 2.468 N/A LYS 134.A NZ CYS 111.A O no hydrogen 3.203 N/A ASN 135.A N LEU 132.A O no hydrogen 2.957 N/A LEU 138.A N ASN 135.A O no hydrogen 3.078 N/A VAL 139.A N GLN 115.A O no hydrogen 2.697 N/A ARG 140.A N GLN 115.A O no hydrogen 3.136 N/A ARG 140.A NE GLU 166.A OE2 no hydrogen 2.958 N/A ARG 140.A NH1 ASN 116.A OD1 no hydrogen 2.946 N/A LEU 141.A N GLU 166.A O no hydrogen 2.966 N/A ASN 142.A N LEU 117.A O no hydrogen 2.826 N/A ASN 142.A ND2 GLU 120.A OE1 no hydrogen 2.945 N/A ASN 142.A ND2 ALA 303.A O no hydrogen 3.087 N/A LEU 143.A N ASN 168.A O no hydrogen 2.871 N/A SER 144.A N ASN 142.A OD1 no hydrogen 2.878 N/A SER 144.A OG SER 170.A O no hydrogen 3.233 N/A SER 144.A OG SER 170.A OG no hydrogen 2.855 N/A GLY 145.A N SER 170.A O no hydrogen 2.871 N/A CYS 146.A N LEU 143.A O no hydrogen 3.097 N/A CYS 146.A SG LEU 119.A O no hydrogen 3.011 N/A CYS 146.A SG LEU 122.A O no hydrogen 3.355 N/A CYS 146.A SG SER 144.A O no hydrogen 4.002 N/A GLY 148.A N ASP 174.A OD2 no hydrogen 2.893 N/A SER 150.A N ASP 126.A OD1 no hydrogen 2.763 N/A SER 150.A OG ASP 126.A OD1 no hydrogen 3.339 N/A SER 150.A OG ASP 126.A OD2 no hydrogen 2.735 N/A GLU 151.A N GLU 151.A OE2 no hydrogen 2.729 N/A ALA 153.A N SER 150.A OG no hydrogen 3.276 N/A LEU 154.A N SER 150.A O no hydrogen 3.212 N/A GLN 155.A N GLU 151.A O no hydrogen 3.096 N/A THR 156.A N PHE 152.A O no hydrogen 3.278 N/A THR 156.A OG1 PHE 152.A O no hydrogen 3.252 N/A LEU 157.A N ALA 153.A O no hydrogen 3.109 N/A LEU 158.A N LEU 154.A O no hydrogen 2.870 N/A SER 159.A N GLN 155.A O no hydrogen 2.878 N/A SER 159.A OG GLN 155.A O no hydrogen 3.159 N/A SER 159.A OG THR 156.A O no hydrogen 2.791 N/A SER 160.A N THR 156.A O no hydrogen 3.035 N/A SER 160.A OG ALA 133.A O no hydrogen 2.542 N/A CYS 161.A N LEU 157.A O no hydrogen 3.080 N/A CYS 161.A SG ASN 135.A O no hydrogen 4.044 N/A CYS 161.A SG LEU 157.A O no hydrogen 3.301 N/A SER 162.A N SER 160.A O no hydrogen 2.932 N/A LEU 164.A N CYS 161.A O no hydrogen 3.433 N/A ASP 165.A N VAL 139.A O no hydrogen 2.711 N/A GLU 166.A N VAL 139.A O no hydrogen 2.902 N/A LEU 167.A N GLN 193.A O no hydrogen 2.802 N/A ASN 168.A N LEU 141.A O no hydrogen 3.018 N/A ASN 168.A ND2 SER 170.A OG no hydrogen 2.716 N/A LEU 169.A N ASN 195.A O no hydrogen 2.898 N/A SER 170.A OG SER 144.A OG no hydrogen 2.855 N/A TRP 171.A N SER 197.A O no hydrogen 2.999 N/A CYS 172.A N TYR 199.A OH no hydrogen 3.080 N/A CYS 172.A SG LEU 143.A O no hydrogen 3.364 N/A CYS 172.A SG SER 170.A O no hydrogen 3.846 N/A CYS 172.A SG TYR 199.A OH no hydrogen 3.436 N/A PHE 175.A N CYS 172.A O no hydrogen 3.013 N/A THR 176.A N HIS 179.A ND1 no hydrogen 2.993 N/A THR 176.A OG1 HIS 179.A ND1 no hydrogen 3.404 N/A GLU 177.A N GLU 177.A OE2 no hydrogen 2.826 N/A LYS 178.A N THR 176.A OG1 no hydrogen 3.173 N/A HIS 179.A NE2 PHE 149.A O no hydrogen 3.016 N/A VAL 180.A N THR 176.A O no hydrogen 3.312 N/A GLN 181.A N GLU 177.A O no hydrogen 2.934 N/A VAL 182.A N LYS 178.A O no hydrogen 2.814 N/A ALA 183.A N HIS 179.A O no hydrogen 2.770 N/A VAL 184.A N VAL 180.A O no hydrogen 3.086 N/A ALA 185.A N GLN 181.A O no hydrogen 3.074 N/A HIS 186.A N VAL 182.A O no hydrogen 2.810 N/A HIS 186.A N ALA 183.A O no hydrogen 3.379 N/A VAL 187.A N ALA 183.A O no hydrogen 2.984 N/A SER 188.A OG SER 162.A O no hydrogen 2.946 N/A SER 188.A OG THR 190.A OG1 no hydrogen 2.666 N/A THR 190.A N SER 188.A OG no hydrogen 3.286 N/A THR 190.A OG1 LEU 164.A O no hydrogen 2.831 N/A THR 190.A OG1 SER 188.A OG no hydrogen 2.666 N/A ILE 191.A N SER 188.A O no hydrogen 3.089 N/A THR 192.A N ASP 165.A O no hydrogen 2.912 N/A THR 192.A OG1 ASP 165.A O no hydrogen 3.520 N/A THR 192.A OG1 ASP 165.A OD1 no hydrogen 2.592 N/A GLN 193.A N ASP 165.A O no hydrogen 2.983 N/A LEU 194.A N HIS 220.A O no hydrogen 2.997 N/A ASN 195.A N LEU 167.A O no hydrogen 2.914 N/A ASN 195.A ND2 THR 300.A OG1 no hydrogen 3.045 N/A LEU 196.A N ASP 222.A O no hydrogen 2.964 N/A SER 197.A N ASN 195.A OD1 no hydrogen 3.156 N/A SER 197.A OG ASN 195.A OD1 no hydrogen 2.811 N/A GLY 198.A N SER 224.A O no hydrogen 3.103 N/A TYR 199.A OH LEU 169.A O no hydrogen 2.495 N/A ARG 200.A N ASP 225.A O no hydrogen 3.028 N/A ASN 202.A N TYR 199.A O no hydrogen 2.851 N/A LEU 203.A N ARG 200.A O no hydrogen 3.043 N/A GLN 204.A N ASP 207.A OD2 no hydrogen 2.806 N/A GLN 204.A NE2 LYS 201.A O no hydrogen 2.935 N/A LYS 205.A NZ ASP 232.A O no hydrogen 3.539 N/A LYS 205.A NZ ASP 232.A OD1 no hydrogen 3.418 N/A ASP 207.A N GLN 204.A O no hydrogen 3.005 N/A LEU 208.A N GLN 204.A O no hydrogen 3.396 N/A SER 209.A N LYS 205.A O no hydrogen 3.023 N/A SER 209.A OG LYS 205.A O no hydrogen 3.361 N/A SER 209.A OG GLU 236.A OE2 no hydrogen 2.784 N/A THR 210.A N SER 206.A O no hydrogen 2.840 N/A THR 210.A OG1 SER 206.A O no hydrogen 2.993 N/A LEU 211.A N ASP 207.A O no hydrogen 3.003 N/A VAL 212.A N LEU 208.A O no hydrogen 2.919 N/A ARG 213.A N SER 209.A O no hydrogen 2.999 N/A ARG 214.A N THR 210.A O no hydrogen 2.901 N/A ARG 214.A NH1 VAL 184.A O no hydrogen 2.916 N/A ARG 214.A NH1 VAL 187.A O no hydrogen 2.769 N/A ARG 214.A NH2 VAL 187.A O no hydrogen 2.817 N/A CYS 215.A N LEU 211.A O no hydrogen 2.678 N/A CYS 215.A SG SER 188.A O no hydrogen 3.940 N/A VAL 219.A N THR 192.A O no hydrogen 2.678 N/A HIS 220.A N THR 192.A O no hydrogen 2.950 N/A LEU 221.A N HIS 245.A O no hydrogen 2.815 N/A ASP 222.A N LEU 194.A O no hydrogen 2.920 N/A LEU 223.A N SER 247.A O no hydrogen 2.897 N/A SER 224.A N ASP 222.A OD1 no hydrogen 3.039 N/A SER 224.A OG ASP 222.A OD1 no hydrogen 2.774 N/A ASP 225.A N SER 249.A O no hydrogen 2.696 N/A SER 226.A OG LEU 223.A O no hydrogen 2.731 N/A SER 226.A OG SER 224.A O no hydrogen 3.399 N/A LEU 229.A N SER 226.A O no hydrogen 3.058 N/A CYS 233.A N LYS 230.A O no hydrogen 3.093 N/A CYS 233.A SG LYS 230.A O no hydrogen 3.052 N/A PHE 234.A N ASN 231.A O no hydrogen 3.114 N/A GLU 236.A N CYS 233.A O no hydrogen 3.005 N/A PHE 237.A N PHE 234.A O no hydrogen 3.114 N/A PHE 238.A N GLN 235.A O no hydrogen 3.190 N/A GLN 239.A N GLU 236.A O no hydrogen 3.140 N/A GLN 239.A NE2 GLN 235.A O no hydrogen 3.268 N/A LEU 240.A N PHE 237.A O no hydrogen 3.161 N/A LEU 243.A N LEU 240.A O no hydrogen 3.278 N/A GLN 244.A N VAL 219.A O no hydrogen 2.888 N/A HIS 245.A N VAL 219.A O no hydrogen 2.980 N/A HIS 245.A ND1 THR 270.A OG1 no hydrogen 2.682 N/A LEU 246.A N THR 270.A O no hydrogen 3.353 N/A SER 247.A N LEU 221.A O no hydrogen 3.016 N/A LEU 248.A N GLN 272.A O no hydrogen 2.786 N/A ARG 250.A N PHE 274.A O no hydrogen 2.859 N/A ARG 250.A NH1 ASP 225.A OD2 no hydrogen 2.977 N/A CYS 251.A N LEU 248.A O no hydrogen 3.259 N/A CYS 251.A SG LEU 223.A O no hydrogen 3.569 N/A CYS 251.A SG SER 226.A O no hydrogen 3.259 N/A CYS 251.A SG LEU 248.A O no hydrogen 3.379 N/A ILE 254.A N CYS 251.A O no hydrogen 3.134 N/A THR 258.A N ILE 255.A O no hydrogen 2.817 N/A THR 258.A OG1 ILE 255.A O no hydrogen 2.735 N/A LEU 259.A N PRO 256.A O no hydrogen 3.154 N/A LEU 260.A N GLU 257.A O no hydrogen 3.219 N/A GLU 261.A N THR 258.A O no hydrogen 3.039 N/A LEU 262.A N LEU 259.A O no hydrogen 3.019 N/A GLY 263.A N LEU 260.A O no hydrogen 3.085 N/A GLU 264.A N GLU 261.A O no hydrogen 2.808 N/A ILE 265.A N LEU 262.A O no hydrogen 3.160 N/A THR 267.A OG1 LEU 243.A O no hydrogen 2.652 N/A LEU 268.A N ILE 265.A O no hydrogen 3.305 N/A LYS 269.A N GLN 244.A O no hydrogen 2.802 N/A THR 270.A N GLN 244.A O no hydrogen 3.118 N/A THR 270.A OG1 HIS 245.A ND1 no hydrogen 2.682 N/A LEU 271.A N GLN 293.A O no hydrogen 2.910 N/A GLN 272.A N LEU 246.A O no hydrogen 3.003 N/A VAL 273.A N ASN 295.A OD1 no hydrogen 2.684 N/A PHE 274.A N SER 249.A OG no hydrogen 3.034 N/A THR 281.A N PRO 278.A O no hydrogen 3.076 N/A THR 281.A OG1 PRO 278.A O no hydrogen 2.567 N/A GLN 283.A NE2 GLU 287.A OE2 no hydrogen 2.875 N/A LEU 284.A N THR 281.A O no hydrogen 2.815 N/A LEU 285.A N THR 281.A O no hydrogen 3.315 N/A LYS 286.A N LEU 282.A O no hydrogen 2.991 N/A GLU 287.A N GLN 283.A O no hydrogen 2.876 N/A ALA 288.A N LEU 284.A O no hydrogen 2.777 N/A LEU 289.A N LEU 285.A O no hydrogen 2.986 N/A LEU 289.A N LYS 286.A O no hydrogen 3.213 N/A LEU 292.A N LEU 289.A O no hydrogen 3.081 N/A GLN 293.A N LYS 269.A O no hydrogen 2.903 N/A ASN 295.A N LEU 271.A O no hydrogen 2.892 N/A CYS 296.A SG ILE 294.A O no hydrogen 3.544 N/A ILE 302.A N THR 300.A OG1 no hydrogen 3.296 N/A ALA 303.A N GLU 166.A OE1 no hydrogen 2.789 N/A ARG 304.A N THR 301.A O no hydrogen 3.146 N/A ARG 304.A NE GLU 120.A OE1 no hydrogen 2.808 N/A ARG 304.A NE GLU 120.A OE2 no hydrogen 3.434 N/A ARG 304.A NH2 GLU 120.A OE2 no hydrogen 2.897 N/A THR 306.A OG1 GLU 314.A O no hydrogen 2.621 N/A LYS 311.A N ASN 309.A O no hydrogen 2.144 N/A ASN 312.A ND2 ILE 307.A O no hydrogen 2.784 N/A GLU 314.A N ASN 312.A OD1 no hydrogen 3.267 N/A ILE 315.A N ILE 318.A O no hydrogen 2.933 N/A TRP 316.A N PRO 305.A O no hydrogen 2.850 N/A ILE 318.A N ILE 315.A O no hydrogen 2.972 N/A ARG 321.A N THR 45.A OG1 no hydrogen 2.741 N/A ARG 321.A NE SER 16.A O no hydrogen 3.042 N/A ARG 321.A NH1 LEU 42.A O no hydrogen 2.448 N/A LEU 322.A N THR 45.A O no hydrogen 3.186 N/A GLN 325.A N THR 323.A OG1 no hydrogen 2.881 N/A