Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6opg_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): VAL 5.A N GLN 8.A O no hydrogen 2.974 N/A GLN 8.A N VAL 5.A O no hydrogen 3.164 N/A PHE 10.A N GLU 3.A O no hydrogen 2.948 N/A ASP 11.A N TYR 93.A OH no hydrogen 3.124 N/A VAL 12.A N PHE 10.A O no hydrogen 3.023 N/A ARG 15.A NE ASP 35.A OD1 no hydrogen 2.831 N/A ARG 15.A NH2 ASP 35.A OD1 no hydrogen 3.368 N/A ARG 15.A NH2 ASP 35.A OD2 no hydrogen 3.006 N/A TYR 16.A OH ASP 79.A OD2 no hydrogen 2.466 N/A THR 17.A N TYR 34.A O no hydrogen 2.868 N/A THR 17.A OG1 ASN 18.A OD1 no hydrogen 3.050 N/A LEU 19.A N GLU 3.A OE2 no hydrogen 3.274 N/A SER 20.A N SER 32.A O no hydrogen 2.952 N/A ILE 22.A N VAL 30.A O no hydrogen 2.961 N/A GLY 25.A N GLY 28.A O no hydrogen 2.872 N/A MET 29.A N LYS 46.A O no hydrogen 2.946 N/A VAL 30.A N GLY 23.A O no hydrogen 2.782 N/A CYS 31.A N ILE 44.A O no hydrogen 2.891 N/A SER 32.A N SER 20.A O no hydrogen 2.696 N/A ALA 33.A N VAL 42.A O no hydrogen 2.879 N/A TYR 34.A N THR 17.A O no hydrogen 2.820 N/A ASP 35.A N VAL 40.A O no hydrogen 2.759 N/A ASN 36.A N ARG 15.A O no hydrogen 2.834 N/A ASN 36.A ND2 ARG 15.A O no hydrogen 3.228 N/A ASN 36.A ND2 THR 17.A OG1 no hydrogen 2.814 N/A VAL 37.A N ASP 35.A OD1 no hydrogen 3.080 N/A ASN 38.A N ASP 35.A OD1 no hydrogen 3.021 N/A VAL 40.A N ASP 35.A O no hydrogen 3.306 N/A VAL 42.A N ALA 33.A O no hydrogen 2.870 N/A ALA 43.A N GLN 96.A O no hydrogen 2.917 N/A ILE 44.A N CYS 31.A O no hydrogen 2.727 N/A LYS 45.A N ILE 94.A O no hydrogen 2.938 N/A LYS 45.A NZ GLU 62.A OE1 no hydrogen 3.123 N/A LYS 45.A NZ GLU 62.A OE2 no hydrogen 2.695 N/A LYS 45.A NZ ASP 158.A OD1 no hydrogen 3.167 N/A LYS 46.A NZ GLN 8.A OE1 no hydrogen 3.006 N/A LYS 46.A NZ VAL 9.A O no hydrogen 2.660 N/A ILE 47.A N VAL 92.A O no hydrogen 2.847 N/A SER 48.A N TYR 27.A O no hydrogen 3.082 N/A SER 48.A OG ASP 91.A OD1 no hydrogen 2.622 N/A GLN 53.A NE2 LEU 327.A O no hydrogen 2.484 N/A CYS 56.A N HIS 52.A O no hydrogen 3.110 N/A CYS 56.A SG PRO 49.A O no hydrogen 3.166 N/A CYS 56.A SG PHE 50.A O no hydrogen 3.821 N/A CYS 56.A SG HIS 52.A O no hydrogen 3.287 N/A CYS 56.A SG LYS 329.A O no hydrogen 4.023 N/A GLN 57.A N GLN 53.A O no hydrogen 2.964 N/A ARG 58.A N THR 54.A O no hydrogen 2.948 N/A THR 59.A N TYR 55.A O no hydrogen 2.744 N/A THR 59.A OG1 TYR 55.A O no hydrogen 2.852 N/A LEU 60.A N CYS 56.A O no hydrogen 2.988 N/A ARG 61.A N GLN 57.A O no hydrogen 3.228 N/A ARG 61.A NE ASP 325.A OD2 no hydrogen 3.096 N/A ARG 61.A NH2 ASP 325.A OD1 no hydrogen 3.241 N/A GLU 62.A N ARG 58.A O no hydrogen 2.827 N/A ILE 63.A N THR 59.A O no hydrogen 3.057 N/A LYS 64.A N LEU 60.A O no hydrogen 2.921 N/A ILE 65.A N ARG 61.A O no hydrogen 2.778 N/A LEU 66.A N GLU 62.A O no hydrogen 3.013 N/A LEU 67.A N ILE 63.A O no hydrogen 2.813 N/A ARG 68.A N ILE 65.A O no hydrogen 2.863 N/A ARG 68.A NH1 LYS 64.A O no hydrogen 2.448 N/A ARG 68.A NH2 GLU 339.A OE1 no hydrogen 3.083 N/A ARG 68.A NH2 GLU 339.A OE2 no hydrogen 3.365 N/A PHE 69.A N LEU 66.A O no hydrogen 3.378 N/A ARG 70.A N TYR 130.A OH no hydrogen 3.155 N/A ASN 73.A N HIS 71.A ND1 no hydrogen 3.180 N/A ASN 73.A ND2 LEU 154.A O no hydrogen 3.136 N/A ILE 74.A N HIS 71.A O no hydrogen 2.960 N/A ILE 75.A N ILE 156.A O no hydrogen 3.063 N/A ASN 78.A N VAL 95.A O no hydrogen 2.885 N/A ASN 78.A ND2 ASP 97.A OD1 no hydrogen 2.950 N/A ASP 79.A N VAL 95.A O no hydrogen 3.153 N/A ILE 81.A N TYR 93.A O no hydrogen 2.821 N/A ARG 82.A NE THR 340.A OG1 no hydrogen 3.041 N/A ARG 82.A NH1 ALA 83.A O no hydrogen 3.046 N/A ARG 82.A NH2 PHE 337.A O no hydrogen 2.946 N/A THR 85.A OG1 GLN 88.A OE1 no hydrogen 2.952 N/A GLN 88.A N THR 85.A O no hydrogen 3.007 N/A MET 89.A N THR 85.A O no hydrogen 2.952 N/A MET 89.A N ILE 86.A O no hydrogen 3.136 N/A VAL 92.A N ILE 47.A O no hydrogen 2.832 N/A TYR 93.A N ILE 81.A O no hydrogen 2.980 N/A ILE 94.A N LYS 45.A O no hydrogen 3.081 N/A VAL 95.A N ASP 79.A O no hydrogen 2.755 N/A GLN 96.A N ALA 43.A O no hydrogen 2.814 N/A GLU 100.A N LEU 148.A O no hydrogen 3.087 N/A GLU 100.A N ASN 149.A OD1 no hydrogen 3.093 N/A THR 101.A N LEU 148.A O no hydrogen 3.245 N/A THR 101.A OG1 ASP 102.A O no hydrogen 3.444 N/A LEU 103.A N PRO 143.A O no hydrogen 3.186 N/A LEU 103.A N LEU 146.A O no hydrogen 3.019 N/A LYS 105.A N ASP 102.A OD1 no hydrogen 2.803 N/A LYS 105.A NZ ILE 22.A O no hydrogen 2.936 N/A LEU 106.A N ASP 102.A O no hydrogen 2.985 N/A LEU 107.A N LEU 103.A O no hydrogen 2.825 N/A LYS 108.A N LYS 105.A O no hydrogen 3.113 N/A LYS 108.A NZ TYR 104.A OH no hydrogen 3.246 N/A THR 109.A N LEU 106.A O no hydrogen 3.277 N/A THR 109.A OG1 LEU 106.A O no hydrogen 3.157 N/A GLN 110.A N LEU 106.A O no hydrogen 3.113 N/A GLN 110.A NE2 THR 109.A O no hydrogen 3.353 N/A HIS 111.A ND1 ASN 213.A OD1 no hydrogen 3.102 N/A SER 113.A OG HIS 116.A ND1 no hydrogen 3.240 N/A ASN 114.A ND2 ASP 272.A OD2 no hydrogen 3.521 N/A HIS 116.A N SER 113.A OG no hydrogen 3.014 N/A ILE 117.A N SER 113.A O no hydrogen 2.983 N/A CYS 118.A N ASN 114.A O no hydrogen 2.994 N/A CYS 118.A SG TYR 301.A O no hydrogen 3.158 N/A TYR 119.A N ASP 115.A O no hydrogen 2.922 N/A PHE 120.A N HIS 116.A O no hydrogen 2.751 N/A LEU 121.A N ILE 117.A O no hydrogen 2.950 N/A TYR 122.A N CYS 118.A O no hydrogen 2.829 N/A TYR 122.A OH GLU 311.A OE2 no hydrogen 2.756 N/A GLN 123.A N TYR 119.A O no hydrogen 3.023 N/A GLN 123.A NE2 CYS 152.A O no hydrogen 2.608 N/A ILE 124.A N PHE 120.A O no hydrogen 2.900 N/A LEU 125.A N LEU 121.A O no hydrogen 3.106 N/A ARG 126.A N TYR 122.A O no hydrogen 2.987 N/A ARG 126.A NE ASP 310.A O no hydrogen 3.228 N/A ARG 126.A NH1 ASN 73.A OD1 no hydrogen 2.731 N/A ARG 126.A NH2 GLU 72.A OE1 no hydrogen 3.316 N/A ARG 126.A NH2 ASP 310.A O no hydrogen 2.714 N/A GLY 127.A N GLN 123.A O no hydrogen 3.027 N/A LEU 128.A N ILE 124.A O no hydrogen 2.868 N/A LYS 129.A N LEU 125.A O no hydrogen 2.799 N/A LYS 129.A NZ GLU 294.A OE1 no hydrogen 2.827 N/A LYS 129.A NZ GLU 294.A OE2 no hydrogen 3.249 N/A LYS 129.A NZ GLU 311.A OE1 no hydrogen 3.040 N/A TYR 130.A N ARG 126.A O no hydrogen 3.438 N/A ILE 131.A N GLY 127.A O no hydrogen 2.945 N/A HIS 132.A N LEU 128.A O no hydrogen 2.771 N/A HIS 132.A NE2 ASP 199.A OD2 no hydrogen 2.650 N/A SER 133.A N LYS 129.A O no hydrogen 2.822 N/A SER 133.A OG TYR 130.A O no hydrogen 2.588 N/A ALA 134.A N ILE 131.A O no hydrogen 3.049 N/A ASN 135.A N HIS 132.A O no hydrogen 2.827 N/A ASN 135.A ND2 PHE 318.A O no hydrogen 2.977 N/A VAL 136.A N ILE 131.A O no hydrogen 3.245 N/A LEU 137.A N ARG 163.A O no hydrogen 2.758 N/A HIS 138.A N ASP 199.A OD2 no hydrogen 3.128 N/A HIS 138.A NE2 CYS 157.A O no hydrogen 2.933 N/A ARG 139.A N ASP 199.A OD1 no hydrogen 2.867 N/A ARG 139.A NE LEU 161.A O no hydrogen 2.772 N/A ARG 139.A NH1 TYR 194.A OH no hydrogen 2.607 N/A ARG 139.A NH2 LEU 161.A O no hydrogen 2.890 N/A ASP 140.A N HIS 138.A ND1 no hydrogen 3.032 N/A LYS 142.A NZ THR 179.A OG1 no hydrogen 2.949 N/A ASN 145.A N LYS 142.A O no hydrogen 2.957 N/A ASN 145.A ND2 ASP 140.A O no hydrogen 2.673 N/A ASN 145.A ND2 ASP 158.A OD2 no hydrogen 3.360 N/A LEU 146.A N PRO 143.A O no hydrogen 3.111 N/A LEU 147.A N LYS 155.A O no hydrogen 2.726 N/A LEU 148.A N THR 101.A O no hydrogen 2.981 N/A ASN 149.A N ASP 153.A O no hydrogen 3.154 N/A THR 150.A N GLU 100.A OE1 no hydrogen 2.910 N/A THR 150.A OG1 GLU 100.A OE2 no hydrogen 2.899 N/A CYS 152.A N ASN 149.A O no hydrogen 2.721 N/A CYS 152.A SG THR 150.A O no hydrogen 3.995 N/A LEU 154.A N GLN 123.A OE1 no hydrogen 3.096 N/A LYS 155.A N LEU 147.A O no hydrogen 2.983 N/A ILE 156.A N ASN 73.A O no hydrogen 2.778 N/A CYS 157.A N ASN 145.A O no hydrogen 3.024 N/A ALA 162.A N PHE 159.A O no hydrogen 3.232 N/A ARG 163.A N LEU 137.A O no hydrogen 2.938 N/A ARG 163.A NE VAL 164.A O no hydrogen 3.039 N/A ARG 163.A NH2 VAL 164.A O no hydrogen 3.078 N/A ALA 165.A N ASN 135.A O no hydrogen 2.974 N/A ASP 166.A N GLU 323.A OE2 no hydrogen 2.951 N/A ASP 168.A N ASP 166.A OD1 no hydrogen 2.906 N/A HIS 169.A N ASP 166.A O no hydrogen 3.204 N/A HIS 171.A NE2 GLU 323.A OE1 no hydrogen 2.841 N/A THR 172.A N ASP 170.A OD1 no hydrogen 3.042 N/A THR 172.A OG1 ASP 170.A OD1 no hydrogen 2.421 N/A GLY 173.A N LYS 192.A O no hydrogen 2.956 N/A PHE 174.A N HIS 171.A O no hydrogen 2.899 N/A LEU 175.A N LYS 192.A O no hydrogen 3.325 N/A THR 179.A OG1 ASP 140.A OD1 no hydrogen 2.841 N/A ARG 180.A NH1 GLY 219.A O no hydrogen 2.974 N/A TRP 181.A NE1 GLY 219.A O no hydrogen 3.026 N/A TYR 182.A N THR 179.A O no hydrogen 2.881 N/A TYR 182.A OH GLU 209.A OE1 no hydrogen 2.710 N/A TYR 182.A OH GLU 209.A OE2 no hydrogen 3.097 N/A ARG 183.A N ARG 180.A O no hydrogen 3.310 N/A ARG 183.A NE VAL 177.A O no hydrogen 2.795 N/A ARG 183.A NH2 ALA 178.A O no hydrogen 3.553 N/A GLU 186.A N GLU 186.A OE1 no hydrogen 2.692 N/A ILE 187.A N ALA 184.A O no hydrogen 2.998 N/A MET 188.A N PRO 185.A O no hydrogen 2.865 N/A LEU 189.A N PRO 185.A O no hydrogen 3.143 N/A LEU 189.A N GLU 186.A O no hydrogen 3.294 N/A ASN 190.A N GLU 186.A O no hydrogen 2.574 N/A SER 191.A OG GLU 176.A OE1 no hydrogen 3.475 N/A GLY 193.A N ASN 190.A O no hydrogen 2.888 N/A SER 197.A N THR 195.A OG1 no hydrogen 3.311 N/A SER 197.A OG THR 195.A OG1 no hydrogen 2.880 N/A ILE 198.A N THR 195.A O no hydrogen 3.108 N/A ASP 199.A N LYS 196.A O no hydrogen 2.991 N/A TRP 201.A N SER 197.A O no hydrogen 3.175 N/A SER 202.A N ILE 198.A O no hydrogen 3.250 N/A SER 202.A OG TYR 182.A O no hydrogen 2.730 N/A SER 202.A OG ILE 198.A O no hydrogen 3.197 N/A VAL 203.A N ASP 199.A O no hydrogen 2.973 N/A GLY 204.A N ILE 200.A O no hydrogen 3.131 N/A CYS 205.A N TRP 201.A O no hydrogen 3.098 N/A CYS 205.A SG TRP 181.A O no hydrogen 3.716 N/A CYS 205.A SG TRP 201.A O no hydrogen 3.471 N/A ILE 206.A N SER 202.A O no hydrogen 2.923 N/A LEU 207.A N VAL 203.A O no hydrogen 2.815 N/A ALA 208.A N GLY 204.A O no hydrogen 2.904 N/A GLU 209.A N CYS 205.A O no hydrogen 2.884 N/A MET 210.A N ILE 206.A O no hydrogen 2.799 N/A LEU 211.A N LEU 207.A O no hydrogen 2.928 N/A LEU 211.A N ALA 208.A O no hydrogen 2.870 N/A SER 212.A N ALA 208.A O no hydrogen 3.152 N/A SER 212.A OG ALA 208.A O no hydrogen 3.119 N/A SER 212.A OG ARG 214.A O no hydrogen 3.524 N/A ASN 213.A ND2 LEU 107.A O no hydrogen 2.700 N/A ASN 213.A ND2 GLN 110.A O no hydrogen 2.803 N/A GLY 219.A N PHE 217.A O no hydrogen 2.816 N/A GLY 219.A N GLN 225.A OE1 no hydrogen 3.136 N/A LYS 220.A N ASP 224.A OD2 no hydrogen 3.084 N/A GLN 225.A N HIS 221.A O no hydrogen 3.273 N/A GLN 225.A N TYR 222.A O no hydrogen 3.304 N/A GLN 225.A NE2 PHE 217.A O no hydrogen 2.928 N/A HIS 228.A N ASP 224.A O no hydrogen 3.192 N/A ILE 229.A N GLN 225.A O no hydrogen 3.234 N/A LEU 230.A N LEU 226.A O no hydrogen 3.208 N/A GLY 231.A N ASN 227.A O no hydrogen 2.607 N/A ILE 232.A N ILE 229.A O no hydrogen 3.006 N/A LEU 233.A N ILE 229.A O no hydrogen 2.947 N/A SER 235.A N LYS 259.A O no hydrogen 2.896 N/A SER 235.A OG LYS 259.A O no hydrogen 3.539 N/A GLN 238.A NE2 ASN 242.A OD1 no hydrogen 3.598 N/A ASP 240.A N SER 237.A OG no hydrogen 3.025 N/A LEU 241.A N SER 237.A O no hydrogen 3.181 N/A LEU 241.A N GLN 238.A O no hydrogen 3.050 N/A ASN 242.A N GLN 238.A O no hydrogen 3.130 N/A CYS 243.A SG GLU 239.A O no hydrogen 2.981 N/A ILE 244.A N LEU 241.A O no hydrogen 2.759 N/A ALA 249.A N ASN 246.A OD1 no hydrogen 3.249 N/A ARG 250.A N ASN 246.A O no hydrogen 3.112 N/A ARG 250.A NH1 ILE 244.A O no hydrogen 2.719 N/A ARG 250.A NH1 ILE 245.A O no hydrogen 3.186 N/A ASN 251.A N LEU 247.A O no hydrogen 2.926 N/A TYR 252.A N LYS 248.A O no hydrogen 3.386 N/A LEU 253.A N ALA 249.A O no hydrogen 3.222 N/A LEU 254.A N ARG 250.A O no hydrogen 3.018 N/A SER 255.A N ASN 251.A O no hydrogen 2.769 N/A SER 255.A OG TYR 252.A O no hydrogen 2.555 N/A LEU 256.A N TYR 252.A O no hydrogen 3.265 N/A LEU 256.A N LEU 253.A O no hydrogen 2.821 N/A LYS 259.A N SER 235.A OG no hydrogen 2.796 N/A LYS 261.A NZ ASP 280.A OD1 no hydrogen 3.447 N/A VAL 262.A N ILE 232.A O no hydrogen 2.693 N/A TRP 264.A NE1 ASP 280.A OD1 no hydrogen 3.063 N/A ARG 266.A N PRO 263.A O no hydrogen 3.229 N/A LEU 267.A N TRP 264.A O no hydrogen 2.957 N/A PHE 268.A N TRP 264.A O no hydrogen 2.809 N/A ALA 271.A N PHE 268.A O no hydrogen 3.151 N/A LYS 274.A N ASP 272.A OD1 no hydrogen 2.736 N/A LEU 276.A N ASP 272.A O no hydrogen 3.171 N/A ASP 277.A N SER 273.A O no hydrogen 2.842 N/A LEU 278.A N LYS 274.A O no hydrogen 3.123 N/A LEU 279.A N ALA 275.A O no hydrogen 2.860 N/A ASP 280.A N LEU 276.A O no hydrogen 2.810 N/A LYS 281.A N ASP 277.A O no hydrogen 3.149 N/A LYS 281.A NZ ASP 277.A OD2 no hydrogen 2.715 N/A MET 282.A N LEU 278.A O no hydrogen 2.813 N/A LEU 283.A N LEU 279.A O no hydrogen 2.941 N/A THR 284.A OG1 ASP 280.A O no hydrogen 2.881 N/A THR 284.A OG1 LYS 281.A O no hydrogen 3.167 N/A ASN 286.A ND2 ASP 240.A OD1 no hydrogen 3.233 N/A HIS 288.A N ASN 286.A OD1 no hydrogen 2.721 N/A LYS 289.A N ASN 286.A OD1 no hydrogen 3.382 N/A LYS 289.A NZ GLU 239.A OE2 no hydrogen 3.432 N/A ARG 290.A N ASN 286.A O no hydrogen 3.166 N/A ARG 290.A NE THR 284.A O no hydrogen 2.963 N/A ARG 290.A NH1 GLU 186.A OE2 no hydrogen 2.763 N/A ARG 290.A NH1 SER 197.A O no hydrogen 3.069 N/A ARG 290.A NH2 GLU 186.A OE1 no hydrogen 2.960 N/A ARG 290.A NH2 THR 284.A O no hydrogen 3.133 N/A ARG 290.A NH2 PHE 285.A O no hydrogen 3.336 N/A ILE 291.A N LYS 281.A O no hydrogen 3.085 N/A GLU 292.A N GLN 295.A OE1 no hydrogen 3.014 N/A ALA 296.A N GLU 292.A O no hydrogen 2.900 N/A LEU 297.A N VAL 293.A O no hydrogen 3.134 N/A LEU 297.A N GLU 294.A O no hydrogen 3.031 N/A ALA 298.A N GLU 294.A O no hydrogen 3.151 N/A HIS 299.A N ALA 296.A O no hydrogen 3.193 N/A HIS 299.A NE2 ASP 277.A OD2 no hydrogen 2.831 N/A TYR 301.A N HIS 299.A ND1 no hydrogen 2.979 N/A TYR 301.A OH ASN 114.A OD1 no hydrogen 2.979 N/A LEU 302.A N HIS 299.A O no hydrogen 3.355 N/A GLU 303.A N PRO 300.A O no hydrogen 3.195 N/A TYR 305.A N LEU 302.A O no hydrogen 3.238 N/A TYR 306.A N LEU 302.A O no hydrogen 3.011 N/A TYR 306.A OH GLU 294.A OE2 no hydrogen 2.509 N/A ASP 307.A N GLU 311.A OE2 no hydrogen 3.113 N/A SER 309.A OG ASP 307.A OD1 no hydrogen 3.258 N/A SER 309.A OG ASP 307.A OD2 no hydrogen 3.136 N/A ASP 310.A N ASP 307.A O no hydrogen 2.823 N/A ALA 314.A N SER 133.A OG no hydrogen 2.821 N/A PHE 318.A N ALA 134.A O no hydrogen 3.072 N/A LYS 319.A NZ ASP 166.A OD1 no hydrogen 2.808 N/A LYS 319.A NZ ASP 168.A OD2 no hydrogen 3.278 N/A PHE 320.A N ASP 166.A OD2 no hydrogen 3.119 N/A MET 322.A N LYS 319.A O no hydrogen 3.048 N/A GLU 323.A N PHE 320.A O no hydrogen 2.861 N/A LYS 329.A NZ GLU 330.A OE2 no hydrogen 3.006 N/A LEU 332.A N PRO 328.A O no hydrogen 3.047 N/A LYS 333.A N LYS 329.A O no hydrogen 2.959 N/A LYS 333.A NZ ILE 86.A O no hydrogen 3.114 N/A LYS 333.A NZ MET 89.A O no hydrogen 2.688 N/A GLU 334.A N GLU 330.A O no hydrogen 3.184 N/A LEU 335.A N LYS 331.A O no hydrogen 2.993 N/A ILE 336.A N LEU 332.A O no hydrogen 2.875 N/A PHE 337.A N LYS 333.A O no hydrogen 2.913 N/A GLU 338.A N GLU 334.A O no hydrogen 2.927 N/A GLU 339.A N LEU 335.A O no hydrogen 2.811 N/A THR 340.A N ILE 336.A O no hydrogen 3.065 N/A THR 340.A OG1 ILE 336.A O no hydrogen 2.797 N/A THR 340.A OG1 PHE 337.A O no hydrogen 3.142 N/A ALA 341.A N GLU 338.A O no hydrogen 3.355 N/A GLN 344.A N ALA 341.A O no hydrogen 2.895 N/A