Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 5c7s_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLN 6.A N SER 3.A OG no hydrogen 3.354 N/A ILE 7.A N SER 3.A O no hydrogen 3.067 N/A LEU 8.A N TRP 4.A O no hydrogen 2.769 N/A GLY 9.A N PRO 5.A O no hydrogen 2.990 N/A ARG 10.A N GLN 6.A O no hydrogen 3.111 N/A ARG 10.A NE ASP 16.A O no hydrogen 2.870 N/A ARG 10.A NH2 ASP 16.A O no hydrogen 3.336 N/A LEU 11.A N ILE 7.A O no hydrogen 3.034 N/A THR 12.A N LEU 8.A O no hydrogen 2.904 N/A THR 12.A OG1 LEU 8.A O no hydrogen 3.176 N/A THR 12.A OG1 GLY 9.A O no hydrogen 2.970 N/A ASP 13.A N GLY 9.A O no hydrogen 3.078 N/A ASN 14.A N.A LEU 11.A O no hydrogen 2.825 N/A ASN 14.A N.B LEU 11.A O no hydrogen 2.834 N/A ARG 15.A N ARG 10.A O no hydrogen 3.144 N/A LEU 17.A N GLU 55.A OE2 no hydrogen 2.809 N/A ALA 18.A N GLN 21.A OE1 no hydrogen 2.995 N/A GLY 20.A N GLU 58.A OE2 no hydrogen 2.874 N/A GLN 21.A N ALA 18.A O no hydrogen 3.161 N/A GLN 21.A NE2 GLN 6.A OE1 no hydrogen 3.267 N/A ALA 23.A N GLU 58.A OE1 no hydrogen 2.879 N/A TRP 24.A N GLY 20.A O no hydrogen 2.803 N/A ALA 25.A N GLN 21.A O no hydrogen 2.965 N/A MET 26.A N ALA 22.A O no hydrogen 2.979 N/A ASP 27.A N ALA 23.A O no hydrogen 3.011 N/A GLN 28.A N TRP 24.A O no hydrogen 3.057 N/A ILE 29.A N ALA 25.A O no hydrogen 3.028 N/A MET 30.A N MET 26.A O no hydrogen 2.833 N/A THR 31.A N ASP 27.A O no hydrogen 2.983 N/A THR 31.A OG1 ASP 27.A O no hydrogen 2.765 N/A THR 31.A OG1 GLN 28.A O no hydrogen 3.272 N/A THR 31.A OG1 ASN 33.A OD1 no hydrogen 3.024 N/A ASN 33.A N GLN 28.A O no hydrogen 3.041 N/A ARG 35.A N GLN 38.A OE1 no hydrogen 2.866 N/A ILE 39.A N ARG 35.A O no hydrogen 2.960 N/A ALA 40.A N PRO 36.A O no hydrogen 2.855 N/A ALA 41.A N ALA 37.A O no hydrogen 2.985 N/A PHE 42.A N GLN 38.A O no hydrogen 2.900 N/A ALA 43.A N ILE 39.A O no hydrogen 2.904 N/A VAL 44.A N ALA 40.A O no hydrogen 2.897 N/A ALA 45.A N ALA 41.A O no hydrogen 2.846 N/A MET 46.A N PHE 42.A O no hydrogen 3.036 N/A THR 47.A N ALA 43.A O no hydrogen 3.310 N/A THR 47.A OG1 ALA 43.A O no hydrogen 2.708 N/A MET 48.A N VAL 44.A O no hydrogen 3.037 N/A LYS 49.A N ALA 45.A O no hydrogen 2.998 N/A LYS 49.A NZ ASP 16.A OD1 no hydrogen 2.593 N/A LYS 49.A NZ ALA 50.A O no hydrogen 3.068 N/A LYS 49.A NZ GLU 55.A OE1 no hydrogen 2.829 N/A LYS 49.A NZ GLU 55.A OE2 no hydrogen 3.060 N/A ALA 50.A N THR 47.A O no hydrogen 3.191 N/A THR 52.A N GLU 55.A OE1 no hydrogen 3.284 N/A GLU 55.A N THR 52.A OG1 no hydrogen 3.125 N/A VAL 56.A N THR 52.A O no hydrogen 3.096 N/A GLY 57.A N ALA 53.A O no hydrogen 2.819 N/A GLU 58.A N ASP 54.A O no hydrogen 2.897 N/A LEU 59.A N GLU 55.A O no hydrogen 3.066 N/A ALA 60.A N VAL 56.A O no hydrogen 3.049 N/A GLY 61.A N GLY 57.A O no hydrogen 2.964 N/A VAL 62.A N GLU 58.A O no hydrogen 3.153 N/A MET 63.A N LEU 59.A O no hydrogen 3.231 N/A LEU 64.A N ALA 60.A O no hydrogen 2.967 N/A SER 65.A N.A GLY 61.A O no hydrogen 3.039 N/A SER 65.A N.B GLY 61.A O no hydrogen 3.047 N/A SER 65.A N.B VAL 62.A O no hydrogen 3.118 N/A SER 65.A OG.A GLY 61.A O no hydrogen 2.886 N/A SER 65.A OG.B VAL 62.A O no hydrogen 2.628 N/A HIS 66.A N VAL 62.A O no hydrogen 3.189 N/A HIS 66.A N MET 63.A O no hydrogen 3.234 N/A HIS 66.A NE2 ASP 27.A OD1 no hydrogen 2.784 N/A ALA 67.A N LEU 64.A O no hydrogen 3.405 N/A HIS 68.A N PHE 159.A O no hydrogen 3.032 N/A HIS 68.A ND1 ARG 158.A O no hydrogen 3.260 N/A THR 74.A OG1 PRO 71.A O no hydrogen 2.526 N/A ALA 79.A N PRO 76.A O no hydrogen 3.104 N/A VAL 80.A N PRO 109.A O no hydrogen 2.807 N/A ASP 81.A N ALA 193.A O no hydrogen 2.959 N/A VAL 83.A N LEU 195.A O no hydrogen 3.307 N/A THR 85.A N GLY 197.A O no hydrogen 2.924 N/A THR 85.A OG1 GLY 86.A O no hydrogen 3.057 N/A GLY 86.A N ASP 228.A OD2 no hydrogen 2.865 N/A VAL 90.A N ASP 88.A OD1 no hydrogen 3.130 N/A THR 92.A OG1 VAL 93.A O no hydrogen 2.957 N/A VAL 93.A N LEU 266.A O no hydrogen 2.888 N/A ASN 94.A ND2 SER 122.A O.A no hydrogen 2.963 N/A ASN 94.A ND2 SER 122.A O.B no hydrogen 2.968 N/A SER 96.A OG GLU 229.A OE1 no hydrogen 3.355 N/A MET 98.A N ASN 94.A O no hydrogen 3.038 N/A ALA 99.A N LEU 95.A O no hydrogen 2.800 N/A ALA 100.A N SER 96.A O no hydrogen 2.762 N/A ILE 101.A N THR 97.A O no hydrogen 3.278 N/A VAL 102.A N MET 98.A O no hydrogen 3.233 N/A VAL 103.A N ALA 99.A O no hydrogen 2.866 N/A ALA 104.A N ALA 100.A O no hydrogen 3.019 N/A ALA 105.A N ILE 101.A O no hydrogen 3.021 N/A ALA 106.A N VAL 102.A O no hydrogen 3.011 N/A ALA 106.A N VAL 103.A O no hydrogen 3.229 N/A GLY 107.A N ALA 104.A O no hydrogen 2.914 N/A VAL 108.A N VAL 103.A O no hydrogen 3.222 N/A VAL 110.A N GLY 150.A O no hydrogen 3.402 N/A VAL 111.A N VAL 80.A O no hydrogen 3.082 N/A LYS 112.A N GLY 152.A O no hydrogen 2.746 N/A LYS 112.A NZ VAL 82.A O no hydrogen 2.660 N/A LYS 112.A NZ HIS 113.A O no hydrogen 3.025 N/A HIS 113.A N ASP 81.A OD1 no hydrogen 3.174 N/A HIS 113.A ND1 GLY 183.A O no hydrogen 2.816 N/A GLY 114.A N CYS 154.A O no hydrogen 3.071 N/A ARG 116.A N ASN 115.A OD1 no hydrogen 2.546 N/A ARG 116.A NE ASP 126.A OD1 no hydrogen 2.807 N/A ARG 116.A NH1 ASP 126.A OD1 no hydrogen 3.100 N/A ARG 116.A NH1 GLU 129.A OE1 no hydrogen 2.605 N/A ARG 116.A NH1 GLU 129.A OE2 no hydrogen 3.445 N/A ALA 117.A N ASP 126.A OD2 no hydrogen 2.890 N/A LEU 121.A N ASN 91.A OD1 no hydrogen 2.577 N/A SER 122.A OG.A GLY 269.A O no hydrogen 3.209 N/A SER 122.A OG.B GLY 123.A O no hydrogen 3.399 N/A SER 122.A OG.B THR 127.A OG1 no hydrogen 2.898 N/A GLY 123.A N ASP 126.A OD2 no hydrogen 2.992 N/A ALA 125.A N ASN 115.A O no hydrogen 3.487 N/A THR 127.A N GLY 123.A O no hydrogen 3.055 N/A THR 127.A OG1 ASN 94.A OD1 no hydrogen 2.529 N/A THR 127.A OG1 SER 122.A OG.B no hydrogen 2.898 N/A THR 127.A OG1 GLY 123.A O no hydrogen 3.073 N/A LEU 128.A N GLY 124.A O no hydrogen 2.837 N/A GLU 129.A N ALA 125.A O no hydrogen 2.894 N/A ALA 130.A N ASP 126.A O no hydrogen 3.053 N/A LEU 131.A N LEU 128.A O no hydrogen 3.002 N/A GLY 132.A N GLU 129.A O no hydrogen 3.231 N/A VAL 133.A N LEU 128.A O no hydrogen 3.034 N/A ARG 134.A NE ASP 136.A OD1 no hydrogen 3.288 N/A ARG 134.A NH1 GLY 342.A O no hydrogen 3.304 N/A ARG 134.A NH2 ASP 136.A OD1 no hydrogen 3.307 N/A VAL 142.A N GLY 138.A O no hydrogen 2.935 N/A ALA 143.A N PRO 139.A O no hydrogen 3.091 N/A ARG 144.A N ASP 140.A O no hydrogen 3.054 N/A ARG 144.A NE GLU 148.A OE2 no hydrogen 3.017 N/A ARG 144.A NH2 GLU 148.A OE2 no hydrogen 3.166 N/A SER 145.A N LEU 141.A O no hydrogen 2.914 N/A SER 145.A OG ILE 151.A O no hydrogen 2.659 N/A LEU 146.A N VAL 142.A O no hydrogen 2.973 N/A ALA 147.A N ALA 143.A O no hydrogen 3.095 N/A GLU 148.A N ARG 144.A O no hydrogen 2.871 N/A VAL 149.A N SER 145.A O no hydrogen 2.813 N/A GLY 150.A N SER 145.A O no hydrogen 3.307 N/A GLY 150.A N LEU 146.A O no hydrogen 3.001 N/A GLY 152.A N VAL 110.A O no hydrogen 2.938 N/A CYS 154.A N LYS 112.A O no hydrogen 2.753 N/A ALA 156.A N GLY 114.A O no hydrogen 2.904 N/A ARG 158.A N PHE 155.A O no hydrogen 2.792 N/A ARG 158.A NH1 HIS 68.A ND1 no hydrogen 3.164 N/A ARG 158.A NH1 ARG 158.A O no hydrogen 2.830 N/A PHE 159.A N PHE 155.A O no hydrogen 3.253 N/A PHE 159.A N ALA 156.A O no hydrogen 3.199 N/A HIS 160.A N ALA 156.A O no hydrogen 2.703 N/A HIS 160.A NE2 THR 186.A O no hydrogen 2.800 N/A TYR 163.A N HIS 160.A O no hydrogen 3.103 N/A ARG 164.A N PRO 161.A O no hydrogen 3.350 N/A ARG 164.A NH1 PRO 161.A O no hydrogen 2.947 N/A ALA 167.A N TYR 163.A O no hydrogen 2.903 N/A ALA 168.A N ARG 164.A O no hydrogen 3.092 N/A VAL 169.A N HIS 165.A O no hydrogen 3.314 N/A ARG 170.A N ALA 166.A O no hydrogen 2.979 N/A ARG 171.A N ALA 167.A O no hydrogen 3.111 N/A GLU 172.A N ALA 168.A O no hydrogen 3.053 N/A ILE 173.A N VAL 169.A O no hydrogen 3.076 N/A GLY 174.A N ARG 170.A O no hydrogen 3.070 N/A VAL 175.A N ILE 173.A O no hydrogen 2.752 N/A THR 177.A N ASN 180.A OD1 no hydrogen 2.906 N/A VAL 178.A N THR 47.A OG1 no hydrogen 3.025 N/A PHE 179.A N THR 177.A OG1 no hydrogen 3.268 N/A ASN 180.A N THR 177.A O no hydrogen 2.942 N/A LEU 181.A N VAL 178.A O no hydrogen 3.081 N/A LEU 182.A N PHE 179.A O no hydrogen 3.044 N/A LEU 185.A N LEU 182.A O no hydrogen 3.039 N/A THR 186.A N GLY 183.A O no hydrogen 3.109 N/A THR 186.A OG1 LEU 182.A O no hydrogen 2.724 N/A THR 186.A OG1 GLY 183.A O no hydrogen 3.295 N/A ASN 187.A ND2 ASP 81.A OD2 no hydrogen 2.763 N/A ASN 187.A ND2 VAL 111.A O no hydrogen 2.879 N/A ALA 189.A N ASN 187.A OD1 no hydrogen 2.878 N/A ARG 190.A N ASN 187.A O no hydrogen 2.931 N/A ARG 190.A NH2 LEU 64.A O no hydrogen 3.238 N/A ARG 192.A NE ASP 77.A O no hydrogen 3.134 N/A ARG 192.A NH2 ASP 77.A O no hydrogen 2.952 N/A GLY 194.A N SER 217.A O no hydrogen 3.342 N/A LEU 195.A N ASP 81.A O no hydrogen 2.897 N/A ILE 196.A N LEU 219.A O no hydrogen 2.969 N/A GLY 197.A N VAL 83.A O no hydrogen 2.966 N/A CYS 198.A N VAL 221.A O no hydrogen 2.914 N/A CYS 198.A SG PHE 200.A O no hydrogen 3.348 N/A ALA 199.A N THR 85.A OG1 no hydrogen 3.088 N/A ASP 202.A N ASP 202.A OD1 no hydrogen 2.566 N/A LEU 203.A N PHE 200.A O no hydrogen 2.945 N/A MET 207.A N LEU 203.A O no hydrogen 3.161 N/A ALA 208.A N ALA 204.A O no hydrogen 2.988 N/A GLY 209.A N GLU 205.A O no hydrogen 2.862 N/A VAL 210.A N VAL 206.A O no hydrogen 3.022 N/A PHE 211.A N MET 207.A O no hydrogen 3.088 N/A ALA 212.A N ALA 208.A O no hydrogen 2.899 N/A ALA 213.A N GLY 209.A O no hydrogen 3.106 N/A ARG 214.A N PHE 211.A O no hydrogen 3.142 N/A ARG 214.A NH1 LEU 185.A O no hydrogen 3.262 N/A ARG 214.A NH2 LEU 185.A O no hydrogen 2.579 N/A ARG 215.A N ALA 212.A O no hydrogen 2.946 N/A SER 216.A N PHE 211.A O no hydrogen 3.126 N/A SER 217.A N ARG 192.A O no hydrogen 2.749 N/A SER 217.A OG ALA 303.A O no hydrogen 2.585 N/A VAL 218.A N VAL 241.A O no hydrogen 3.170 N/A LEU 219.A N GLY 194.A O no hydrogen 3.256 N/A VAL 220.A N TRP 239.A O no hydrogen 3.082 N/A VAL 221.A N ILE 196.A O no hydrogen 2.762 N/A HIS 222.A N THR 237.A O no hydrogen 2.919 N/A HIS 222.A ND1 CYS 198.A O no hydrogen 2.815 N/A GLY 223.A N LEU 227.A O no hydrogen 2.818 N/A ASP 224.A N THR 235.A O no hydrogen 3.017 N/A GLY 226.A N GLY 223.A O no hydrogen 2.803 N/A LEU 227.A N ASP 225.A OD1 no hydrogen 3.409 N/A LEU 230.A N ASN 296.A OD1 no hydrogen 3.069 N/A THR 231.A N SER 236.A OG no hydrogen 3.099 N/A THR 231.A OG1 ASP 225.A OD2 no hydrogen 2.788 N/A THR 231.A OG1 THR 233.A OG1 no hydrogen 3.266 N/A THR 233.A N THR 231.A OG1 no hydrogen 3.128 N/A THR 233.A OG1 ASP 225.A OD2 no hydrogen 2.516 N/A THR 233.A OG1 THR 231.A OG1 no hydrogen 3.266 N/A THR 235.A N THR 234.A OG1 no hydrogen 2.549 N/A THR 235.A OG1 ASP 224.A OD2 no hydrogen 2.395 N/A SER 236.A N PHE 251.A O no hydrogen 2.795 N/A THR 237.A N HIS 222.A O no hydrogen 2.827 N/A THR 237.A OG1 ASP 224.A OD1 no hydrogen 2.665 N/A ILE 238.A N LEU 249.A O no hydrogen 2.732 N/A TRP 239.A N VAL 220.A O no hydrogen 2.881 N/A ARG 240.A N ASP 247.A O no hydrogen 2.758 N/A ARG 240.A NH2 ASP 247.A OD1 no hydrogen 3.334 N/A VAL 241.A N VAL 218.A O no hydrogen 2.723 N/A ALA 242.A N SER 245.A O no hydrogen 3.103 N/A SER 245.A N ALA 242.A O no hydrogen 3.249 N/A SER 245.A OG ALA 242.A O no hydrogen 2.924 N/A ASP 247.A N ARG 240.A O no hydrogen 2.847 N/A LEU 249.A N ILE 238.A O no hydrogen 2.710 N/A PHE 251.A N SER 236.A O no hydrogen 2.601 N/A ALA 254.A N ASP 252.A OD1 no hydrogen 2.950 N/A GLY 255.A N ASP 252.A O no hydrogen 3.010 N/A PHE 256.A N PRO 253.A O no hydrogen 2.850 N/A GLY 257.A N ALA 254.A O no hydrogen 3.226 N/A PHE 258.A N PRO 253.A O no hydrogen 3.174 N/A ARG 260.A NH1 ASP 252.A OD1 no hydrogen 2.886 N/A ARG 260.A NH2 ASP 252.A OD1 no hydrogen 3.227 N/A ARG 260.A NH2 ASP 252.A OD2 no hydrogen 3.252 N/A ALA 261.A N THR 232.A O no hydrogen 3.058 N/A GLN 262.A N GLN 265.A OE1 no hydrogen 2.642 N/A GLN 265.A N GLN 262.A O no hydrogen 3.092 N/A LEU 266.A N LEU 263.A O no hydrogen 3.058 N/A ALA 267.A N ASP 264.A O no hydrogen 3.335 N/A GLY 268.A N ASN 91.A O no hydrogen 2.906 N/A GLY 269.A N ASN 274.A OD1 no hydrogen 2.943 N/A ALA 273.A N ASP 270.A OD1 no hydrogen 3.391 N/A ASN 274.A N ASP 270.A O no hydrogen 2.938 N/A ASN 274.A ND2 ASN 94.A OD1 no hydrogen 2.822 N/A ALA 275.A N ALA 271.A O no hydrogen 2.792 N/A ALA 276.A N GLN 272.A O no hydrogen 3.116 N/A ALA 277.A N ALA 273.A O no hydrogen 3.080 N/A VAL 278.A N ASN 274.A O no hydrogen 2.971 N/A ARG 279.A N ALA 275.A O no hydrogen 3.093 N/A ALA 280.A N ALA 276.A O no hydrogen 3.040 N/A VAL 281.A N ALA 277.A O no hydrogen 3.272 N/A LEU 282.A N VAL 278.A O no hydrogen 3.018 N/A GLY 283.A N ALA 280.A O no hydrogen 3.097 N/A GLY 284.A N VAL 281.A O no hydrogen 3.145 N/A ALA 285.A N ALA 280.A O no hydrogen 3.191 N/A ARG 290.A NH1 ASP 327.A OD1 no hydrogen 3.210 N/A ARG 290.A NH2 ASP 327.A OD1 no hydrogen 2.786 N/A ARG 290.A NH2 ASP 327.A OD2 no hydrogen 3.428 N/A ASP 291.A N GLY 287.A O no hydrogen 3.222 N/A ALA 292.A N PRO 288.A O no hydrogen 3.094 N/A VAL 293.A N VAL 289.A O no hydrogen 2.958 N/A VAL 294.A N ARG 290.A O no hydrogen 2.808 N/A LEU 295.A N ASP 291.A O no hydrogen 2.952 N/A ASN 296.A N ALA 292.A O no hydrogen 3.088 N/A ASN 296.A ND2 LEU 230.A O no hydrogen 2.830 N/A ASN 296.A ND2 ALA 292.A O no hydrogen 2.767 N/A ALA 297.A N VAL 293.A O no hydrogen 2.813 N/A ALA 298.A N VAL 294.A O no hydrogen 2.858 N/A GLY 299.A N LEU 295.A O no hydrogen 3.003 N/A ALA 300.A N ASN 296.A O no hydrogen 3.110 N/A ILE 301.A N ALA 297.A O no hydrogen 3.080 N/A VAL 302.A N ALA 298.A O no hydrogen 2.807 N/A ALA 303.A N GLY 299.A O no hydrogen 2.932 N/A HIS 304.A N ALA 300.A O no hydrogen 2.950 N/A HIS 304.A NE2 ASP 78.A OD2 no hydrogen 2.793 N/A ALA 305.A N ILE 301.A O no hydrogen 3.056 N/A GLY 306.A N VAL 302.A O no hydrogen 3.195 N/A GLY 306.A N ALA 303.A O no hydrogen 3.189 N/A LEU 307.A N HIS 304.A O no hydrogen 3.151 N/A SER 309.A OG ALA 305.A O no hydrogen 3.216 N/A ALA 314.A N GLU 310.A O no hydrogen 2.823 N/A TRP 315.A N TRP 311.A O no hydrogen 3.189 N/A GLU 316.A N LEU 312.A O no hydrogen 3.018 N/A GLU 317.A N PRO 313.A O no hydrogen 2.958 N/A GLY 318.A N ALA 314.A O no hydrogen 2.736 N/A LEU 319.A N TRP 315.A O no hydrogen 2.742 N/A ARG 320.A N GLU 316.A O no hydrogen 3.130 N/A ARG 321.A N GLU 317.A O no hydrogen 3.002 N/A ARG 321.A NH2 ALA 106.A O no hydrogen 3.036 N/A ALA 322.A N GLY 318.A O no hydrogen 3.069 N/A SER 323.A N LEU 319.A O no hydrogen 3.074 N/A SER 323.A OG LEU 319.A O no hydrogen 2.970 N/A ALA 324.A N ARG 320.A O no hydrogen 2.854 N/A ALA 325.A N ARG 321.A O no hydrogen 2.833 N/A ILE 326.A N ALA 322.A O no hydrogen 3.243 N/A ASP 327.A N SER 323.A O no hydrogen 2.852 N/A THR 328.A N ALA 324.A O no hydrogen 2.938 N/A THR 328.A OG1 ALA 324.A O no hydrogen 2.964 N/A GLY 329.A N ILE 326.A O no hydrogen 2.958 N/A ALA 330.A N THR 328.A OG1 no hydrogen 3.401 N/A ALA 331.A N ALA 325.A O no hydrogen 2.945 N/A GLN 333.A N GLY 329.A O no hydrogen 2.821 N/A LEU 334.A N ALA 330.A O no hydrogen 2.821 N/A LEU 335.A N ALA 331.A O no hydrogen 3.260 N/A ALA 336.A N GLU 332.A O no hydrogen 3.277 N/A ARG 337.A N GLN 333.A O no hydrogen 2.858 N/A TRP 338.A N LEU 334.A O no hydrogen 2.801 N/A VAL 339.A N LEU 335.A O no hydrogen 2.933 N/A ARG 340.A N ALA 336.A O no hydrogen 3.058 N/A PHE 341.A N ARG 337.A O no hydrogen 3.134 N/A GLY 342.A N TRP 338.A O no hydrogen 3.460 N/A ARG 343.A N VAL 339.A O no hydrogen 3.463 N/A GLN 344.A N ARG 340.A O no hydrogen 3.072 N/A GLN 344.A N PHE 341.A O no hydrogen 3.332 N/A