Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 3wsa_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 2.A OG SER 4.A OG no hydrogen 3.123 N/A SER 2.A OG GLU 96.A OE2 no hydrogen 3.562 N/A SER 4.A OG SER 2.A OG no hydrogen 3.123 N/A SER 4.A OG GLU 96.A OE2 no hydrogen 2.462 N/A LEU 5.A N SER 2.A OG no hydrogen 3.107 N/A LYS 6.A N SER 2.A O no hydrogen 2.848 N/A THR 7.A N SER 4.A O no hydrogen 2.779 N/A THR 7.A OG1 SER 3.A O no hydrogen 2.814 N/A CYS 8.A N SER 4.A O no hydrogen 3.048 N/A CYS 8.A SG SER 4.A O no hydrogen 3.590 N/A TYR 9.A N LEU 5.A O no hydrogen 3.374 N/A TYR 9.A OH ASN 32.A OD1 no hydrogen 2.667 N/A TYR 11.A N THR 7.A O no hydrogen 2.972 N/A TYR 11.A OH ASP 89.A OD2 no hydrogen 2.648 N/A LEU 12.A N CYS 8.A O no hydrogen 2.827 N/A ASN 13.A N TYR 9.A O no hydrogen 3.190 N/A ASN 13.A ND2 TYR 9.A O no hydrogen 2.752 N/A ASN 13.A ND2 GLN 24.A OE1 no hydrogen 3.140 N/A GLN 14.A NE2 LYS 10.A O no hydrogen 3.174 N/A THR 15.A N TYR 11.A O no hydrogen 2.849 N/A THR 15.A OG1 TYR 11.A O no hydrogen 3.137 N/A SER 16.A N LEU 12.A O no hydrogen 2.694 N/A ILE 23.A N PHE 19.A O no hydrogen 2.948 N/A GLN 24.A N ALA 20.A O no hydrogen 2.846 N/A ALA 25.A N VAL 22.A O no hydrogen 3.051 N/A LEU 26.A N ILE 23.A O no hydrogen 3.118 N/A ARG 31.A N GLY 28.A O no hydrogen 3.268 N/A ARG 31.A NE GLN 24.A O no hydrogen 2.915 N/A ARG 31.A NH1 GLN 24.A O no hydrogen 3.426 N/A ALA 33.A N GLU 29.A O no hydrogen 3.025 N/A VAL 34.A N MET 30.A O no hydrogen 2.711 N/A CYS 35.A N ARG 31.A O no hydrogen 2.979 N/A ILE 36.A N ASN 32.A O no hydrogen 2.861 N/A PHE 37.A N ALA 33.A O no hydrogen 2.843 N/A TYR 38.A N VAL 34.A O no hydrogen 2.952 N/A TYR 38.A N CYS 35.A O no hydrogen 3.284 N/A TYR 38.A OH THR 15.A O no hydrogen 3.010 N/A LEU 39.A N CYS 35.A O no hydrogen 3.085 N/A VAL 40.A N ILE 36.A O no hydrogen 2.951 N/A ARG 42.A N TYR 38.A O no hydrogen 2.825 N/A ARG 42.A NE ARG 42.A O no hydrogen 2.780 N/A ALA 43.A N LEU 39.A O no hydrogen 3.070 N/A LEU 44.A N VAL 40.A O no hydrogen 3.078 N/A ASP 45.A N LEU 41.A O no hydrogen 2.850 N/A THR 46.A N ARG 42.A O no hydrogen 2.955 N/A THR 46.A OG1 ARG 42.A O no hydrogen 2.652 N/A THR 46.A OG1 ASP 83.A O no hydrogen 3.389 N/A LEU 47.A N ALA 43.A O no hydrogen 3.126 N/A GLU 48.A N LEU 44.A O no hydrogen 3.428 N/A ASP 49.A N ASP 45.A O no hydrogen 2.994 N/A ASP 50.A N THR 46.A O no hydrogen 3.144 N/A ASP 50.A N LEU 47.A O no hydrogen 2.943 N/A THR 52.A N ASP 50.A OD1 no hydrogen 3.291 N/A THR 52.A OG1 ASP 50.A OD1 no hydrogen 2.780 N/A THR 52.A OG1 ASP 50.A OD2 no hydrogen 3.480 N/A SER 54.A OG GLU 56.A OE1 no hydrogen 2.957 N/A GLU 56.A N GLU 56.A OE2 no hydrogen 2.605 N/A LYS 57.A N SER 54.A O no hydrogen 3.254 N/A LYS 58.A N SER 54.A O no hydrogen 2.918 N/A LYS 58.A NZ GLU 48.A O no hydrogen 3.150 N/A LYS 58.A NZ ASP 50.A O no hydrogen 2.834 N/A VAL 59.A N VAL 55.A O no hydrogen 2.844 N/A LEU 62.A N LYS 58.A O no hydrogen 3.043 N/A HIS 63.A N VAL 59.A O no hydrogen 2.991 N/A ASN 64.A N PRO 60.A O no hydrogen 2.973 N/A ASN 64.A ND2 PRO 60.A O no hydrogen 2.841 N/A SER 67.A N ASN 64.A O no hydrogen 2.844 N/A SER 67.A OG ASN 64.A O no hydrogen 2.428 N/A PHE 68.A N PHE 65.A O no hydrogen 3.077 N/A TYR 70.A N SER 67.A O no hydrogen 3.008 N/A GLN 71.A N PHE 68.A O no hydrogen 2.830 N/A TRP 74.A N GLN 71.A O no hydrogen 2.925 N/A ARG 75.A NH2 GLU 88.A O no hydrogen 2.940 N/A PHE 76.A N LEU 87.A O no hydrogen 3.002 N/A LYS 80.A N ASP 50.A OD2 no hydrogen 3.281 N/A ARG 84.A NE GLU 81.A O no hydrogen 3.203 N/A GLN 85.A N GLN 85.A OE1 no hydrogen 2.580 N/A GLN 85.A NE2 LYS 82.A O no hydrogen 3.398 N/A LEU 87.A N ARG 84.A O no hydrogen 2.614 N/A GLU 88.A N ARG 84.A O no hydrogen 2.953 N/A ASP 89.A N GLN 85.A O no hydrogen 3.220 N/A THR 92.A N ASP 89.A O no hydrogen 3.106 N/A THR 92.A OG1 ASP 89.A OD1 no hydrogen 2.635 N/A THR 92.A OG1 ASP 89.A OD2 no hydrogen 2.832 N/A ILE 93.A N PHE 90.A O no hydrogen 2.622 N/A SER 94.A N PHE 90.A O no hydrogen 2.813 N/A SER 94.A OG PHE 90.A O no hydrogen 3.418 N/A SER 94.A OG PRO 91.A O no hydrogen 3.054 N/A LEU 95.A N PRO 91.A O no hydrogen 3.063 N/A PHE 97.A N ILE 93.A O no hydrogen 3.041 N/A ARG 98.A N SER 94.A O no hydrogen 2.987 N/A ARG 98.A NH1 LEU 69.A O no hydrogen 2.859 N/A ASN 99.A N GLU 96.A O no hydrogen 3.229 N/A LEU 100.A N GLU 96.A O no hydrogen 3.184 N/A LEU 100.A N PHE 97.A O no hydrogen 2.932 N/A LYS 103.A NZ ALA 154.A O no hydrogen 2.948 N/A TYR 104.A N ALA 101.A O no hydrogen 2.984 N/A TYR 104.A OH GLU 29.A OE1 no hydrogen 2.850 N/A GLN 105.A N ALA 101.A O no hydrogen 3.180 N/A GLN 105.A NE2 LEU 100.A O no hydrogen 2.828 N/A THR 106.A N GLU 102.A O no hydrogen 3.083 N/A THR 106.A OG1 GLU 102.A O no hydrogen 3.064 N/A ILE 108.A N TYR 104.A O no hydrogen 2.998 N/A ALA 109.A N GLN 105.A O no hydrogen 2.787 N/A ASP 110.A N THR 106.A O no hydrogen 3.036 N/A ILE 111.A N VAL 107.A O no hydrogen 2.997 N/A CYS 112.A N ILE 108.A O no hydrogen 3.318 N/A CYS 112.A SG ILE 108.A O no hydrogen 3.341 N/A ARG 113.A N ALA 109.A O no hydrogen 3.055 N/A ARG 113.A NH1 ASP 110.A OD1 no hydrogen 3.373 N/A ARG 114.A N ASP 110.A O no hydrogen 3.041 N/A MET 115.A N ILE 111.A O no hydrogen 2.602 N/A GLY 116.A N CYS 112.A O no hydrogen 2.682 N/A ILE 117.A N ARG 113.A O no hydrogen 3.407 N/A MET 119.A N MET 115.A O no hydrogen 2.986 N/A ALA 120.A N GLY 116.A O no hydrogen 3.164 N/A GLU 121.A N ILE 117.A O no hydrogen 3.245 N/A GLU 121.A N GLY 118.A O no hydrogen 2.734 N/A PHE 122.A N GLY 118.A O no hydrogen 3.290 N/A LEU 123.A N ALA 120.A O no hydrogen 3.409 N/A LYS 125.A NZ GLU 121.A OE1 no hydrogen 3.126 N/A THR 128.A OG1 GLU 132.A OE1 no hydrogen 2.999 N/A SER 129.A N THR 128.A OG1 no hydrogen 2.614 N/A GLU 132.A N SER 129.A O no hydrogen 2.775 N/A TRP 133.A N SER 129.A O no hydrogen 3.010 N/A ASP 134.A N GLU 130.A O no hydrogen 3.181 N/A LYS 135.A NZ GLU 121.A OE1 no hydrogen 3.546 N/A TYR 136.A N GLU 132.A O no hydrogen 2.827 N/A CYS 137.A N TRP 133.A O no hydrogen 3.109 N/A CYS 137.A SG TRP 133.A O no hydrogen 3.043 N/A HIS 138.A N ASP 134.A O no hydrogen 2.845 N/A HIS 138.A N LYS 135.A O no hydrogen 3.063 N/A HIS 138.A ND1 ASN 170.A OD1 no hydrogen 2.727 N/A TYR 139.A N LYS 135.A O no hydrogen 3.306 N/A TYR 139.A N TYR 136.A O no hydrogen 3.007 N/A VAL 140.A N TYR 136.A O no hydrogen 3.087 N/A ALA 141.A N CYS 137.A O no hydrogen 2.693 N/A GLY 142.A N CYS 137.A O no hydrogen 2.622 N/A LEU 143.A N HIS 138.A O no hydrogen 2.601 N/A GLY 145.A N ALA 141.A O no hydrogen 3.071 N/A ILE 146.A N GLY 142.A O no hydrogen 3.070 N/A GLY 147.A N LEU 143.A O no hydrogen 2.692 N/A LEU 148.A N VAL 144.A O no hydrogen 3.006 N/A SER 149.A N GLY 145.A O no hydrogen 3.212 N/A SER 149.A OG GLY 145.A O no hydrogen 2.760 N/A SER 149.A OG TYR 241.A OH no hydrogen 2.758 N/A ARG 150.A N ILE 146.A O no hydrogen 3.214 N/A ARG 150.A N GLY 147.A O no hydrogen 2.997 N/A ARG 150.A NH1 ASP 110.A OD2 no hydrogen 2.945 N/A LEU 151.A N GLY 147.A O no hydrogen 3.253 N/A PHE 152.A N LEU 148.A O no hydrogen 3.027 N/A SER 153.A N SER 149.A O no hydrogen 3.346 N/A SER 153.A OG SER 149.A O no hydrogen 3.363 N/A SER 153.A OG ASP 159.A O no hydrogen 3.125 N/A ALA 154.A N ARG 150.A O no hydrogen 2.935 N/A SER 155.A N LEU 151.A O no hydrogen 2.937 N/A SER 155.A OG LEU 151.A O no hydrogen 3.176 N/A SER 155.A OG PHE 152.A O no hydrogen 2.865 N/A GLU 156.A N SER 153.A O no hydrogen 3.292 N/A GLU 158.A N PHE 152.A O no hydrogen 3.071 N/A LEU 161.A N ASP 159.A OD1 no hydrogen 2.751 N/A VAL 162.A N ASP 159.A O no hydrogen 2.885 N/A GLY 163.A N SER 153.A OG no hydrogen 2.972 N/A GLU 164.A N LEU 161.A O no hydrogen 3.233 N/A ASP 165.A N LEU 161.A O no hydrogen 3.203 N/A ARG 168.A NH2 ASP 165.A OD2 no hydrogen 3.322 N/A ASN 170.A N THR 166.A O no hydrogen 2.931 N/A SER 171.A N GLU 167.A O no hydrogen 3.233 N/A SER 171.A OG GLU 167.A O no hydrogen 3.223 N/A SER 171.A OG ASP 237.A OD2 no hydrogen 3.010 N/A MET 172.A N ARG 168.A O no hydrogen 2.996 N/A GLY 173.A N ASN 170.A O no hydrogen 2.947 N/A LEU 174.A N ASN 170.A O no hydrogen 2.880 N/A PHE 175.A N SER 171.A O no hydrogen 2.839 N/A GLN 177.A N GLY 173.A O no hydrogen 2.913 N/A LYS 178.A N LEU 174.A O no hydrogen 2.895 N/A LYS 178.A NZ ASP 134.A OD1 no hydrogen 3.272 N/A LYS 178.A NZ ASP 134.A OD2 no hydrogen 3.519 N/A LYS 178.A NZ ASN 230.A OD1 no hydrogen 2.773 N/A LYS 178.A NZ HIS 234.A NE2 no hydrogen 2.878 N/A THR 179.A N PHE 175.A O no hydrogen 3.384 N/A THR 179.A OG1 PHE 175.A O no hydrogen 2.779 N/A ASN 180.A N LEU 176.A O no hydrogen 3.177 N/A ILE 181.A N GLN 177.A O no hydrogen 2.963 N/A ILE 182.A N LYS 178.A O no hydrogen 2.851 N/A ARG 183.A N THR 179.A O no hydrogen 3.039 N/A ARG 183.A NH2 ASP 184.A OD2 no hydrogen 3.502 N/A ASP 184.A N ASN 180.A O no hydrogen 2.816 N/A TYR 185.A OH LEU 208.A O no hydrogen 2.700 N/A ASP 188.A N ASP 184.A O no hydrogen 2.764 N/A GLN 189.A N TYR 185.A O no hydrogen 2.800 N/A GLN 190.A N LEU 186.A O no hydrogen 3.142 N/A GLY 192.A N GLN 189.A O no hydrogen 3.407 N/A ARG 193.A N ASP 188.A O no hydrogen 3.142 N/A TRP 196.A NE1 ILE 181.A O no hydrogen 3.131 N/A GLN 198.A N VAL 127.A O no hydrogen 2.858 N/A GLN 198.A NE2 GLU 199.A OE1 no hydrogen 2.650 N/A GLU 199.A N THR 128.A O no hydrogen 2.705 N/A VAL 200.A N PRO 197.A O no hydrogen 2.949 N/A TRP 201.A N PRO 197.A O no hydrogen 3.222 N/A SER 202.A N GLN 198.A O no hydrogen 3.044 N/A SER 202.A OG GLN 198.A O no hydrogen 2.663 N/A ARG 203.A N VAL 200.A O no hydrogen 2.814 N/A ARG 203.A NH2 GLU 226.A OE1 no hydrogen 3.087 N/A TYR 204.A N TRP 201.A O no hydrogen 3.102 N/A TYR 204.A OH GLU 226.A OE1 no hydrogen 2.708 N/A VAL 205.A N TRP 201.A O no hydrogen 2.999 N/A LYS 207.A NZ ASP 210.A OD1 no hydrogen 2.946 N/A LYS 207.A NZ ASP 210.A OD2 no hydrogen 3.041 N/A ASP 210.A N LYS 207.A O no hydrogen 2.694 N/A ALA 212.A N GLY 209.A O no hydrogen 3.056 N/A LEU 213.A N ASP 210.A O no hydrogen 3.026 N/A GLU 215.A N GLU 215.A OE2 no hydrogen 2.498 N/A ASN 216.A N LEU 213.A O no hydrogen 2.931 N/A ASN 216.A ND2 ASP 210.A O no hydrogen 3.171 N/A ILE 217.A N PRO 214.A O no hydrogen 3.399 N/A ALA 220.A N ASN 216.A O no hydrogen 2.848 N/A VAL 221.A N ILE 217.A O no hydrogen 2.997 N/A GLN 222.A N ASP 218.A O no hydrogen 3.352 N/A CYS 223.A N LEU 219.A O no hydrogen 3.316 N/A LEU 224.A N ALA 220.A O no hydrogen 2.812 N/A ASN 225.A N VAL 221.A O no hydrogen 2.776 N/A ASN 225.A ND2 ASN 270.A OD1 no hydrogen 3.501 N/A ASN 225.A ND2 ASN 313.A OD1 no hydrogen 3.649 N/A GLU 226.A N GLN 222.A O no hydrogen 3.268 N/A GLU 226.A N CYS 223.A O no hydrogen 3.009 N/A LEU 227.A N CYS 223.A O no hydrogen 3.038 N/A ILE 228.A N LEU 224.A O no hydrogen 3.014 N/A THR 229.A N ASN 225.A O no hydrogen 3.112 N/A THR 229.A OG1 ASN 225.A O no hydrogen 2.594 N/A THR 229.A OG1 THR 319.A OG1 no hydrogen 3.001 N/A ASN 230.A N GLU 226.A O no hydrogen 2.972 N/A ASN 230.A ND2 GLU 130.A OE2 no hydrogen 2.639 N/A ALA 231.A N LEU 227.A O no hydrogen 3.009 N/A LEU 232.A N ILE 228.A O no hydrogen 3.052 N/A HIS 233.A ND1 THR 229.A O no hydrogen 2.795 N/A HIS 234.A N ALA 231.A O no hydrogen 3.104 N/A ILE 235.A N LEU 232.A O no hydrogen 3.056 N/A ASP 237.A N HIS 234.A O no hydrogen 3.140 N/A VAL 238.A N HIS 234.A O no hydrogen 3.208 N/A ILE 239.A N ILE 235.A O no hydrogen 3.014 N/A THR 240.A N PRO 236.A O no hydrogen 3.409 N/A THR 240.A OG1 PRO 236.A O no hydrogen 2.759 N/A TYR 241.A N ASP 237.A O no hydrogen 2.764 N/A TYR 241.A OH SER 149.A OG no hydrogen 2.758 N/A LEU 242.A N VAL 238.A O no hydrogen 2.990 N/A SER 243.A N ILE 239.A O no hydrogen 3.020 N/A SER 243.A OG ILE 239.A O no hydrogen 2.588 N/A ARG 244.A N TYR 241.A O no hydrogen 3.052 N/A ARG 244.A NH2 ASP 165.A OD2 no hydrogen 3.114 N/A LEU 245.A N LEU 242.A O no hydrogen 3.240 N/A ARG 246.A N GLU 158.A OE1 no hydrogen 3.220 N/A ARG 246.A N GLU 158.A OE2 no hydrogen 3.278 N/A ARG 246.A NH1 SER 243.A O no hydrogen 3.256 N/A ARG 246.A NH1 LEU 245.A O no hydrogen 2.846 N/A ASN 247.A N GLU 158.A OE2 no hydrogen 2.756 N/A ASN 247.A ND2 ASP 27.A OD2 no hydrogen 3.020 N/A GLN 248.A NE2 ASN 252.A OD1 no hydrogen 2.662 N/A GLN 248.A NE2 THR 289.A O no hydrogen 3.403 N/A SER 249.A OG ASP 27.A OD2 no hydrogen 2.785 N/A SER 249.A OG ASN 247.A OD1 no hydrogen 2.426 N/A VAL 250.A N ASN 247.A OD1 no hydrogen 2.947 N/A PHE 251.A N ASN 247.A O no hydrogen 2.973 N/A ASN 252.A N GLN 248.A O no hydrogen 3.076 N/A PHE 253.A N SER 249.A O no hydrogen 3.217 N/A CYS 254.A N VAL 250.A O no hydrogen 2.972 N/A CYS 254.A N PHE 251.A O no hydrogen 3.168 N/A CYS 254.A SG VAL 250.A O no hydrogen 3.266 N/A ALA 255.A N PHE 251.A O no hydrogen 2.602 N/A ILE 256.A N ASN 252.A O no hydrogen 3.320 N/A GLN 258.A NE2 MET 172.A O no hydrogen 3.056 N/A VAL 259.A N ALA 255.A O no hydrogen 2.952 N/A MET 260.A N ILE 256.A O no hydrogen 3.091 N/A ALA 261.A N PRO 257.A O no hydrogen 3.196 N/A ILE 262.A N GLN 258.A O no hydrogen 3.180 N/A ALA 263.A N VAL 259.A O no hydrogen 3.061 N/A THR 264.A N MET 260.A O no hydrogen 2.987 N/A THR 264.A OG1 MET 260.A O no hydrogen 2.712 N/A LEU 265.A N ALA 261.A O no hydrogen 2.928 N/A ALA 266.A N ILE 262.A O no hydrogen 2.909 N/A ALA 267.A N ALA 263.A O no hydrogen 3.066 N/A CYS 268.A N THR 264.A O no hydrogen 2.975 N/A CYS 268.A SG THR 264.A O no hydrogen 3.103 N/A TYR 269.A N LEU 265.A O no hydrogen 2.860 N/A ASN 270.A N ASN 225.A OD1 no hydrogen 2.557 N/A ASN 271.A N CYS 268.A O no hydrogen 2.935 N/A ASN 271.A ND2 ALA 267.A O no hydrogen 3.021 N/A GLN 273.A N ASN 271.A OD1 no hydrogen 2.581 N/A VAL 274.A N ASN 271.A O no hydrogen 3.417 N/A PHE 275.A N GLN 272.A O no hydrogen 3.024 N/A LYS 276.A N GLN 273.A O no hydrogen 2.919 N/A MET 285.A N VAL 282.A O no hydrogen 3.193 N/A MET 286.A N VAL 282.A O no hydrogen 3.141 N/A THR 289.A OG1 ASP 287.A O no hydrogen 3.504 N/A ALA 293.A N ASN 290.A OD1 no hydrogen 2.610 N/A VAL 294.A N ASN 290.A O no hydrogen 3.055 N/A LYS 295.A N MET 291.A O no hydrogen 2.972 N/A ALA 296.A N PRO 292.A O no hydrogen 3.160 N/A ILE 297.A N ALA 293.A O no hydrogen 2.852 N/A ILE 298.A N VAL 294.A O no hydrogen 2.768 N/A TYR 299.A N LYS 295.A O no hydrogen 2.706 N/A GLN 300.A N ALA 296.A O no hydrogen 2.845 N/A TYR 301.A N ILE 297.A O no hydrogen 3.133 N/A MET 302.A N ILE 298.A O no hydrogen 2.925 N/A GLU 303.A N TYR 299.A O no hydrogen 3.026 N/A GLU 304.A N GLN 300.A O no hydrogen 3.168 N/A ILE 305.A N TYR 301.A O no hydrogen 3.147 N/A TYR 306.A N MET 302.A O no hydrogen 2.922 N/A HIS 307.A N GLU 303.A O no hydrogen 2.949 N/A ARG 308.A N ILE 305.A O no hydrogen 2.845 N/A ARG 308.A NH1 ALA 266.A O no hydrogen 2.790 N/A ARG 308.A NH1 GLU 304.A OE2 no hydrogen 3.472 N/A ILE 309.A N TYR 306.A O no hydrogen 3.307 N/A ASN 313.A N PRO 310.A O no hydrogen 3.256 N/A SER 316.A N ASN 313.A O no hydrogen 3.077 N/A SER 316.A OG ASP 311.A O no hydrogen 3.551 N/A SER 316.A OG ASN 313.A O no hydrogen 2.908 N/A THR 319.A N SER 315.A O no hydrogen 2.742 N/A THR 319.A OG1 THR 229.A OG1 no hydrogen 3.001 N/A THR 319.A OG1 SER 315.A O no hydrogen 2.743 N/A ARG 320.A N SER 316.A O no hydrogen 2.968 N/A GLN 321.A N SER 317.A O no hydrogen 2.882 N/A ILE 322.A N LYS 318.A O no hydrogen 3.187 N/A SER 324.A N ARG 320.A O no hydrogen 2.857 N/A THR 325.A N GLN 321.A O no hydrogen 2.905 N/A THR 325.A OG1 GLN 321.A O no hydrogen 3.019 N/A ILE 326.A N ILE 322.A O no hydrogen 2.960 N/A ARG 327.A N ILE 323.A O no hydrogen 2.817 N/A THR 328.A N SER 324.A O no hydrogen 2.744 N/A THR 328.A OG1 SER 324.A O no hydrogen 3.000 N/A