Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 5lyl_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): HIS 2.A NE2 GLN 75.A OE1 no hydrogen 2.735 N/A SER 3.A N ASN 8.A OD1 no hydrogen 3.240 N/A GLU 5.A N SER 3.A OG no hydrogen 3.135 N/A LYS 6.A N SER 3.A O no hydrogen 3.455 N/A TYR 7.A N GLU 279.A OE2 no hydrogen 3.017 N/A TYR 7.A OH LEU 277.A O no hydrogen 2.688 N/A ASN 8.A ND2 SER 3.A O no hydrogen 2.954 N/A ASN 8.A ND2 GLN 75.A OE1 no hydrogen 2.983 N/A THR 12.A N ASN 9.A OD1 no hydrogen 2.902 N/A THR 12.A OG1 ASN 9.A OD1 no hydrogen 2.921 N/A ILE 13.A N ASN 9.A O no hydrogen 2.908 N/A GLU 14.A N TRP 10.A O no hydrogen 2.735 N/A ALA 15.A N GLU 11.A O no hydrogen 3.057 N/A TRP 16.A N THR 12.A O no hydrogen 2.924 N/A TRP 16.A NE1 TYR 4.A OH no hydrogen 2.773 N/A THR 17.A N ILE 13.A O no hydrogen 2.828 N/A THR 17.A OG1 GLU 14.A O no hydrogen 2.663 N/A LYS 18.A N GLU 14.A O no hydrogen 3.357 N/A GLN 19.A N ALA 15.A O no hydrogen 2.922 N/A GLN 19.A NE2 GLU 23.A OE1 no hydrogen 2.437 N/A VAL 20.A N TRP 16.A O no hydrogen 2.756 N/A THR 21.A OG1 THR 17.A O no hydrogen 2.707 N/A SER 22.A N LYS 18.A O no hydrogen 2.971 N/A SER 22.A OG GLN 19.A O no hydrogen 3.058 N/A GLU 23.A N GLN 19.A O no hydrogen 2.912 N/A ASN 24.A N THR 21.A O no hydrogen 3.161 N/A LEU 27.A N ASN 24.A O no hydrogen 2.925 N/A ILE 28.A N ASN 24.A O no hydrogen 2.920 N/A SER 29.A N LYS 46.A O no hydrogen 2.968 N/A ARG 30.A NH2 GLU 14.A O no hydrogen 3.482 N/A ARG 30.A NH2 THR 17.A OG1 no hydrogen 2.933 N/A THR 31.A N LEU 44.A O no hydrogen 3.002 N/A ILE 33.A N ILE 42.A O no hydrogen 2.921 N/A THR 36.A N ASN 40.A O no hydrogen 2.829 N/A THR 36.A OG1 ASN 40.A O no hydrogen 3.560 N/A THR 36.A OG1 ASP 109.A OD1 no hydrogen 2.669 N/A THR 36.A OG1 ASP 109.A OD2 no hydrogen 3.220 N/A PHE 37.A N GLU 170.A OE2 no hydrogen 3.060 N/A LEU 38.A N ASP 109.A OD2 no hydrogen 2.960 N/A GLY 39.A N THR 36.A O no hydrogen 2.934 N/A ASN 40.A N THR 36.A OG1 no hydrogen 2.802 N/A ASN 40.A ND2 ASP 109.A OD1 no hydrogen 3.011 N/A ILE 42.A N GLY 34.A O no hydrogen 2.943 N/A LEU 44.A N THR 31.A O no hydrogen 2.865 N/A LEU 45.A N VAL 102.A O no hydrogen 2.824 N/A LYS 46.A N SER 29.A O no hydrogen 2.791 N/A VAL 47.A N PHE 100.A O no hydrogen 2.814 N/A GLY 48.A N LEU 27.A O no hydrogen 2.829 N/A LYS 49.A N LEU 95.A O no hydrogen 2.829 N/A LYS 49.A NZ ASP 26.A O no hydrogen 2.948 N/A LYS 54.A NZ LYS 49.A O no hydrogen 2.684 N/A LYS 54.A NZ LEU 95.A O no hydrogen 2.968 N/A LYS 54.A NZ LEU 98.A O no hydrogen 2.878 N/A LYS 54.A NZ ASP 99.A OD1 no hydrogen 2.618 N/A ALA 56.A N SER 184A.A O no hydrogen 2.801 N/A ILE 57.A N ASP 99.A O no hydrogen 2.869 N/A PHE 58.A N ALA 187.A O no hydrogen 2.950 N/A MET 59.A N TYR 101.A O no hydrogen 2.831 N/A ASP 60.A N LEU 189.A O no hydrogen 2.969 N/A CYS 61.A N LEU 103.A O no hydrogen 2.977 N/A CYS 61.A SG SER 70.A O no hydrogen 3.199 N/A GLY 62.A N SER 70.A OG no hydrogen 2.981 N/A HIS 64.A NE2 ASP 137.A OD1 no hydrogen 2.644 N/A ALA 65.A N ARG 122.A O no hydrogen 3.184 N/A ARG 66.A NH1 MET 120.A O no hydrogen 3.022 N/A GLU 67.A N HIS 64.A O no hydrogen 3.392 N/A TRP 68.A N ARG 66.A O no hydrogen 2.911 N/A TRP 68.A NE1 THR 114.A OG1 no hydrogen 2.922 N/A SER 70.A N GLU 67.A O no hydrogen 2.852 N/A SER 70.A OG ILE 191.A O no hydrogen 2.555 N/A HIS 71.A N HIS 71.A ND1 no hydrogen 2.792 N/A HIS 71.A ND1 GLU 67.A O no hydrogen 3.025 N/A ALA 72.A N TRP 68.A O no hydrogen 3.098 N/A PHE 73.A N ILE 69.A O no hydrogen 2.878 N/A CYS 74.A N SER 70.A O no hydrogen 3.181 N/A CYS 74.A SG LEU 103.A O no hydrogen 3.827 N/A GLN 75.A N HIS 71.A O no hydrogen 3.328 N/A GLN 75.A NE2 HIS 71.A O no hydrogen 3.104 N/A TRP 76.A N ALA 72.A O no hydrogen 2.934 N/A TRP 76.A NE1 GLU 80.A OE2 no hydrogen 3.076 N/A PHE 77.A N PHE 73.A O no hydrogen 2.772 N/A VAL 78.A N CYS 74.A O no hydrogen 3.197 N/A ARG 79.A N GLN 75.A O no hydrogen 2.871 N/A GLU 80.A N TRP 76.A O no hydrogen 2.895 N/A ALA 81.A N PHE 77.A O no hydrogen 2.967 N/A VAL 82.A N VAL 78.A O no hydrogen 3.040 N/A LEU 83.A N ARG 79.A O no hydrogen 2.900 N/A THR 84.A N GLU 80.A O no hydrogen 2.953 N/A THR 84.A OG1 GLU 80.A O no hydrogen 2.675 N/A TYR 85.A N ALA 81.A O no hydrogen 3.060 N/A TYR 85.A OH ASN 96.A OD1 no hydrogen 2.647 N/A GLY 86.A N THR 92.A OG1 no hydrogen 2.793 N/A TYR 87.A N THR 84.A O no hydrogen 2.814 N/A GLU 88.A N THR 84.A O no hydrogen 2.993 N/A HIS 90.A N GLU 88.A OE2 no hydrogen 2.938 N/A MET 91.A N GLU 88.A OE1 no hydrogen 2.989 N/A THR 92.A N GLU 88.A O no hydrogen 3.048 N/A THR 92.A OG1 GLU 88.A O no hydrogen 2.788 N/A GLU 93.A N SER 89.A O no hydrogen 2.999 N/A PHE 94.A N HIS 90.A O no hydrogen 2.905 N/A LEU 95.A N MET 91.A O no hydrogen 3.043 N/A ASN 96.A N THR 92.A O no hydrogen 3.075 N/A LYS 97.A N GLU 93.A O no hydrogen 2.942 N/A LYS 97.A N PHE 94.A O no hydrogen 3.259 N/A LYS 97.A NZ GLU 93.A OE2 no hydrogen 2.842 N/A LEU 98.A N PHE 94.A O no hydrogen 2.782 N/A ASP 99.A N PRO 55.A O no hydrogen 2.971 N/A PHE 100.A N VAL 47.A O no hydrogen 2.763 N/A TYR 101.A N ILE 57.A O no hydrogen 2.814 N/A VAL 102.A N LEU 45.A O no hydrogen 2.786 N/A LEU 103.A N MET 59.A O no hydrogen 2.816 N/A LEU 106.A N CYS 61.A O no hydrogen 3.074 N/A ASN 107.A N GLY 62.A O no hydrogen 3.007 N/A ASN 107.A ND2 ILE 63.A O no hydrogen 3.269 N/A ASN 107.A ND2 LYS 123.A O no hydrogen 2.847 N/A GLY 110.A N ASN 107.A OD1 no hydrogen 3.107 N/A TYR 111.A N ASN 107.A O no hydrogen 2.980 N/A TYR 111.A OH ASN 8.A O no hydrogen 2.536 N/A ILE 112.A N ILE 108.A O no hydrogen 2.873 N/A TYR 113.A N ASP 109.A O no hydrogen 3.132 N/A THR 114.A N GLY 110.A O no hydrogen 3.017 N/A THR 114.A OG1 TYR 111.A O no hydrogen 2.693 N/A TRP 115.A N TYR 111.A O no hydrogen 3.345 N/A TRP 115.A N ILE 112.A O no hydrogen 2.959 N/A THR 116.A N ILE 112.A O no hydrogen 3.014 N/A THR 116.A OG1 ILE 112.A O no hydrogen 3.185 N/A LYS 117.A N TYR 113.A O no hydrogen 2.902 N/A ASN 118.A N TYR 113.A O no hydrogen 2.947 N/A ARG 119.A NH1 ARG 66.A O no hydrogen 2.874 N/A ARG 119.A NH1 ARG 119.A O no hydrogen 2.952 N/A ARG 119.A NH2 PHE 275.A O no hydrogen 2.924 N/A MET 120.A N ASN 118.A OD1 no hydrogen 3.074 N/A TRP 121.A N ASN 118.A O no hydrogen 3.041 N/A TRP 121.A NE1 THR 124.A O no hydrogen 3.083 N/A ARG 122.A NE ASP 137.A OD2 no hydrogen 3.090 N/A ARG 122.A NE GLU 158.A O no hydrogen 3.101 N/A ARG 122.A NH2 ASP 137.A OD2 no hydrogen 2.735 N/A LYS 123.A NZ ILE 134.A O no hydrogen 3.323 N/A LYS 123.A NZ GLY 135.A O no hydrogen 2.877 N/A LYS 123.A NZ ASP 157.A O no hydrogen 2.841 N/A THR 124.A N THR 136.A O no hydrogen 2.985 N/A THR 124.A OG1 SER 126.A OG no hydrogen 3.386 N/A THR 124.A OG1 THR 136.A O no hydrogen 3.381 N/A THR 124.A OG1 GLU 168.A OE1 no hydrogen 2.833 N/A SER 126.A OG THR 124.A OG1 no hydrogen 3.386 N/A SER 126.A OG GLU 168.A OE1 no hydrogen 2.550 N/A SER 126.A OG GLU 168.A OE2 no hydrogen 3.549 N/A CYS 133.A N THR 131.A OG1 no hydrogen 3.097 N/A CYS 133.A SG THR 131.A OG1 no hydrogen 3.534 N/A GLY 135.A N SER 126.A O no hydrogen 2.755 N/A THR 136.A N THR 124.A OG1 no hydrogen 2.918 N/A THR 136.A OG1 GLU 168.A OE2 no hydrogen 3.372 N/A ASP 137.A N TYR 160.A O no hydrogen 2.903 N/A ASN 139.A N ASP 137.A OD1 no hydrogen 2.934 N/A ARG 140.A N ASP 137.A O no hydrogen 2.942 N/A ARG 140.A NE GLY 150.A O no hydrogen 3.109 N/A ARG 140.A NH1 ASN 139.A O no hydrogen 3.069 N/A ASN 141.A N PRO 138.A O no hydrogen 3.075 N/A ASN 141.A ND2 CYS 161.A O no hydrogen 2.884 N/A ASN 141.A ND2 ALA 164.A O no hydrogen 3.184 N/A ASN 141.A ND2 SER 167.A OG no hydrogen 2.939 N/A PHE 142.A N GLY 248.A O no hydrogen 2.871 N/A ALA 144.A N PHE 142.A O no hydrogen 2.921 N/A TRP 146.A NE1 CYS 161.A O no hydrogen 2.978 N/A CYS 147.A SG SER 152.A O no hydrogen 3.931 N/A THR 148.A N GLY 145.A O no hydrogen 3.439 N/A THR 148.A OG1 GLY 145.A O no hydrogen 2.832 N/A ALA 151.A N THR 148.A O no hydrogen 3.081 N/A SER 152.A N THR 159.A O no hydrogen 2.916 N/A SER 152.A OG ASP 157.A OD1 no hydrogen 2.666 N/A ASP 154.A N SER 152.A OG no hydrogen 2.989 N/A CYS 156.A N ASP 154.A OD2 no hydrogen 2.877 N/A CYS 156.A SG THR 131.A OG1 no hydrogen 3.632 N/A ASP 157.A N ASP 154.A O no hydrogen 2.876 N/A TYR 160.A N ASP 157.A O no hydrogen 3.228 N/A CYS 161.A N SER 152.A O no hydrogen 3.037 N/A CYS 161.A SG SER 152.A O no hydrogen 3.606 N/A CYS 161.A SG GLY 162.A O no hydrogen 3.537 N/A GLU 166.A N ASN 141.A O no hydrogen 2.707 N/A SER 167.A N ALA 164.A O no hydrogen 3.057 N/A SER 167.A OG ALA 164.A O no hydrogen 3.223 N/A SER 167.A OG GLU 168.A OE2 no hydrogen 3.076 N/A GLU 168.A N ASN 141.A OD1 no hydrogen 3.172 N/A LYS 169.A NZ THR 35.A OG1 no hydrogen 3.011 N/A LYS 169.A NZ THR 36.A O no hydrogen 3.004 N/A GLU 170.A N GLU 170.A OE1 no hydrogen 2.736 N/A THR 171.A OG1 ASN 141.A OD1 no hydrogen 2.884 N/A LYS 172.A N GLU 168.A O no hydrogen 3.000 N/A LYS 172.A NZ ASP 176.A OD2 no hydrogen 2.747 N/A ALA 173.A N LYS 169.A O no hydrogen 2.939 N/A LEU 174.A N GLU 170.A O no hydrogen 3.134 N/A ALA 175.A N THR 171.A O no hydrogen 2.906 N/A ASP 176.A N LYS 172.A O no hydrogen 2.733 N/A PHE 177.A N ALA 173.A O no hydrogen 2.955 N/A ILE 178.A N LEU 174.A O no hydrogen 3.025 N/A ARG 179.A N ALA 175.A O no hydrogen 2.879 N/A ARG 179.A NH1 GLU 166.A OE1 no hydrogen 3.096 N/A ARG 179.A NH1 ASP 176.A OD1 no hydrogen 3.084 N/A ARG 179.A NH2 GLU 166.A OE2 no hydrogen 2.150 N/A ASN 180.A N ASP 176.A O no hydrogen 2.914 N/A ASN 181.A N ILE 178.A O no hydrogen 3.116 N/A ASN 181.A ND2 PHE 177.A O no hydrogen 2.967 N/A ILE 185.A N ASN 181.A O no hydrogen 3.203 N/A ILE 185.A N LEU 182.A O no hydrogen 3.331 N/A LYS 186.A N ALA 56.A O no hydrogen 2.825 N/A LYS 186.A NZ SER 183.A O no hydrogen 2.973 N/A LYS 186.A NZ TYR 305.A O no hydrogen 2.780 N/A TYR 188.A N TYR 261.A O no hydrogen 2.902 N/A TYR 188.A OH ASP 60.A OD2 no hydrogen 2.501 N/A LEU 189.A N PHE 58.A O no hydrogen 2.763 N/A SER 190.A N PHE 263.A O no hydrogen 2.938 N/A SER 190.A OG ASP 60.A OD1 no hydrogen 2.625 N/A SER 190.A OG HIS 192.A NE2 no hydrogen 2.719 N/A ILE 191.A N ASP 60.A O no hydrogen 2.886 N/A HIS 192.A N PHE 265.A O no hydrogen 2.758 N/A HIS 192.A NE2 SER 190.A OG no hydrogen 2.719 N/A SER 193.A N GLU 67.A OE1 no hydrogen 3.201 N/A SER 195.A N LEU 267.A O no hydrogen 3.140 N/A SER 195.A OG TYR 194.A O no hydrogen 2.677 N/A SER 195.A OG HIS 197.A ND1 no hydrogen 2.639 N/A GLN 196.A N LEU 267.A O no hydrogen 3.322 N/A GLN 196.A NE2 LYS 233.A O no hydrogen 2.835 N/A HIS 197.A N GLU 266.A O no hydrogen 3.069 N/A HIS 197.A ND1 SER 195.A OG no hydrogen 2.639 N/A ILE 198.A N THR 235.A O no hydrogen 2.873 N/A VAL 199.A N THR 264.A O no hydrogen 2.782 N/A TYR 200.A N GLY 237.A O no hydrogen 3.090 N/A TYR 200.A OH ASN 212.A OD1 no hydrogen 2.881 N/A TYR 202.A OH ASP 256.A OD1 no hydrogen 2.643 N/A SER 203.A N ASP 252.A OD1 no hydrogen 3.407 N/A SER 203.A N ASP 252.A OD2 no hydrogen 2.668 N/A TYR 204.A N ASP 252.A OD2 no hydrogen 2.916 N/A TYR 204.A OH ASP 256.A OD2 no hydrogen 2.605 N/A LYS 207.A N ASP 205.A O no hydrogen 3.031 N/A LYS 207.A NZ TYR 204.A OH no hydrogen 2.992 N/A ASN 211.A ND2 GLU 214.A OE1 no hydrogen 3.191 N/A ASN 211.A ND2 LYS 260.A O no hydrogen 3.194 N/A ASN 212.A N PRO 209.A O no hydrogen 2.928 N/A LEU 215.A N ASN 211.A O no hydrogen 3.014 N/A ASN 216.A N ASN 212.A O no hydrogen 2.815 N/A ASN 216.A ND2 ASN 217.A OD1 no hydrogen 3.582 N/A ASN 217.A N ALA 213.A O no hydrogen 3.000 N/A LEU 218.A N GLU 214.A O no hydrogen 2.883 N/A ALA 219.A N LEU 215.A O no hydrogen 2.824 N/A LYS 220.A N ASN 216.A O no hydrogen 2.932 N/A ALA 221.A N ASN 217.A O no hydrogen 3.060 N/A ALA 222.A N LEU 218.A O no hydrogen 2.888 N/A VAL 223.A N ALA 219.A O no hydrogen 2.942 N/A LYS 224.A N LYS 220.A O no hydrogen 3.029 N/A GLU 225.A N ALA 221.A O no hydrogen 2.943 N/A LEU 226.A N ALA 222.A O no hydrogen 2.950 N/A ALA 227.A N VAL 223.A O no hydrogen 3.102 N/A THR 228.A N GLU 225.A O no hydrogen 3.268 N/A THR 228.A OG1 GLU 225.A O no hydrogen 2.674 N/A GLY 231.A N ALA 227.A O no hydrogen 2.727 N/A THR 232.A OG1 GLU 288.A OE1 no hydrogen 2.581 N/A THR 232.A OG1 GLU 288.A OE2 no hydrogen 3.448 N/A THR 235.A N GLN 196.A O no hydrogen 2.984 N/A GLY 237.A N ILE 198.A O no hydrogen 3.017 N/A GLY 239.A N TYR 200.A O no hydrogen 2.877 N/A ALA 240.A N TYR 202.A O no hydrogen 2.877 N/A THR 241.A OG1 PRO 238.A O no hydrogen 3.362 N/A THR 242.A N PRO 238.A O no hydrogen 2.911 N/A THR 242.A OG1 PRO 238.A O no hydrogen 2.575 N/A LEU 243.A N GLY 239.A O no hydrogen 2.778 N/A TYR 244.A N GLY 239.A O no hydrogen 3.132 N/A ALA 246.A N SER 203.A O no hydrogen 2.883 N/A GLY 248.A N ALA 144.A O no hydrogen 2.838 N/A GLY 250.A N ASN 139.A OD1 no hydrogen 3.398 N/A ASP 252.A N ASP 251.A OD1 no hydrogen 2.792 N/A TRP 253.A N GLY 249.A O no hydrogen 3.071 N/A ALA 254.A N GLY 250.A O no hydrogen 2.859 N/A TYR 255.A N ASP 251.A O no hydrogen 2.996 N/A TYR 255.A OH ASN 211.A OD1 no hydrogen 2.609 N/A ASP 256.A N ASP 252.A O no hydrogen 2.966 N/A GLN 257.A N TRP 253.A O no hydrogen 3.053 N/A GLN 257.A N ALA 254.A O no hydrogen 3.118 N/A GLY 258.A N TYR 255.A O no hydrogen 2.891 N/A ILE 259.A N ALA 254.A O no hydrogen 3.102 N/A LYS 260.A N TYR 305.A OH no hydrogen 2.991 N/A TYR 261.A OH GLU 214.A OE2 no hydrogen 2.580 N/A SER 262.A OG ASP 251.A O no hydrogen 2.802 N/A PHE 263.A N TYR 188.A O no hydrogen 2.984 N/A THR 264.A N VAL 199.A O no hydrogen 2.764 N/A THR 264.A OG1 ASP 251.A OD2 no hydrogen 2.714 N/A PHE 265.A N SER 190.A O no hydrogen 2.894 N/A GLU 266.A N HIS 197.A O no hydrogen 2.762 N/A LEU 267.A N HIS 192.A O no hydrogen 2.878 N/A ARG 268.A NE GLU 288.A OE2 no hydrogen 2.794 N/A ARG 268.A NH1 GLN 281.A OE1 no hydrogen 3.058 N/A ARG 268.A NH2 GLU 288.A OE1 no hydrogen 3.007 N/A ARG 268.A NH2 GLU 288.A OE2 no hydrogen 3.425 N/A GLY 271.A N ASP 269.A OD1 no hydrogen 2.892 N/A TYR 273.A N ASP 269.A OD2 no hydrogen 2.812 N/A GLY 274.A N ASP 269.A OD1 no hydrogen 2.934 N/A ILE 276.A N TYR 273.A O no hydrogen 3.083 N/A GLN 281.A N PRO 278.A O no hydrogen 3.017 N/A ILE 282.A N GLU 279.A O no hydrogen 3.036 N/A THR 285.A N GLN 281.A O no hydrogen 3.033 N/A THR 285.A OG1 GLN 281.A O no hydrogen 2.673 N/A CYS 286.A N ILE 282.A O no hydrogen 2.840 N/A CYS 286.A SG ILE 282.A O no hydrogen 3.369 N/A GLU 287.A N GLN 283.A O no hydrogen 2.887 N/A GLU 288.A N ALA 284.A O no hydrogen 3.045 N/A THR 289.A N THR 285.A O no hydrogen 3.048 N/A THR 289.A OG1 THR 285.A O no hydrogen 2.655 N/A MET 290.A N CYS 286.A O no hydrogen 2.867 N/A LEU 291.A N GLU 288.A O no hydrogen 3.122 N/A ILE 293.A N THR 289.A O no hydrogen 2.997 N/A LYS 294.A N MET 290.A O no hydrogen 2.877 N/A LYS 294.A NZ GLU 88.A OE1 no hydrogen 2.830 N/A TYR 295.A N LEU 291.A O no hydrogen 2.995 N/A VAL 296.A N ALA 292.A O no hydrogen 3.002 N/A THR 297.A N ILE 293.A O no hydrogen 2.881 N/A THR 297.A OG1 ILE 293.A O no hydrogen 2.852 N/A ASN 298.A N LYS 294.A O no hydrogen 2.896 N/A TYR 299.A N TYR 295.A O no hydrogen 3.033 N/A TYR 299.A OH GLU 214.A OE2 no hydrogen 2.648 N/A VAL 300.A N VAL 296.A O no hydrogen 2.879 N/A LEU 301.A N THR 297.A O no hydrogen 2.947 N/A GLY 302.A N ASN 298.A O no hydrogen 3.140 N/A HIS 303.A N VAL 300.A O no hydrogen 2.921 N/A HIS 303.A ND1 TYR 299.A O no hydrogen 2.752 N/A TYR 305.A OH LYS 186.A O no hydrogen 2.671 N/A SER 184A.A N ASN 181.A O no hydrogen 2.998 N/A SER 184A.A OG ASN 181.A O no hydrogen 2.940 N/A