Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1bt4_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLU 2.A N SER 1.A OG no hydrogen 2.617 N/A TYR 5.A N GLY 320.A O no hydrogen 3.218 N/A PHE 7.A N VAL 322.A O no hydrogen 2.708 N/A ASN 8.A N ASN 6.A OD1 no hydrogen 2.927 N/A VAL 18.A N PRO 15.A O no hydrogen 3.176 N/A LEU 19.A N PRO 15.A O no hydrogen 3.141 N/A GLU 20.A N LEU 16.A O no hydrogen 3.008 N/A ARG 21.A N GLU 17.A O no hydrogen 2.991 N/A ARG 21.A NH1 GLU 256.A OE2 no hydrogen 3.291 N/A ARG 21.A NH2 GLU 256.A OE1 no hydrogen 3.168 N/A ARG 21.A NH2 GLU 256.A OE2 no hydrogen 2.877 N/A ALA 22.A N VAL 18.A O no hydrogen 3.091 N/A GLN 23.A N LEU 19.A O no hydrogen 2.885 N/A ALA 24.A N GLU 20.A O no hydrogen 2.889 N/A GLU 25.A N ARG 21.A O no hydrogen 3.427 N/A PHE 26.A N GLN 23.A O no hydrogen 3.299 N/A TYR 29.A N MET 34.A O no hydrogen 2.963 N/A THR 32.A N TYR 29.A O no hydrogen 3.117 N/A THR 32.A OG1 TYR 29.A O no hydrogen 2.756 N/A GLY 33.A N ASP 28.A OD1 no hydrogen 3.363 N/A SER 35.A N GLU 38.A OE1 no hydrogen 2.954 N/A SER 35.A OG PHE 26.A O no hydrogen 2.820 N/A MET 37.A N SER 35.A OG no hydrogen 3.422 N/A GLU 38.A N SER 35.A O no hydrogen 2.981 N/A ARG 42.A N SER 40.A OG no hydrogen 3.105 N/A GLY 43.A N SER 40.A O no hydrogen 3.182 N/A TYR 46.A OH HIS 50.A ND1 no hydrogen 2.926 N/A GLU 47.A N GLY 43.A O no hydrogen 2.993 N/A ALA 48.A N ALA 44.A O no hydrogen 3.287 N/A HIS 50.A N TYR 46.A O no hydrogen 2.820 N/A HIS 50.A ND1 TYR 46.A OH no hydrogen 2.926 N/A HIS 50.A NE2 ASN 233.A O no hydrogen 2.886 N/A ASN 51.A N GLU 47.A O no hydrogen 3.001 N/A ASN 51.A ND2 GLU 47.A O no hydrogen 2.806 N/A GLU 52.A N ALA 48.A O no hydrogen 2.994 N/A ALA 53.A N VAL 49.A O no hydrogen 3.067 N/A GLN 54.A NE2 HIS 50.A O no hydrogen 3.355 N/A ALA 55.A N ASN 51.A O no hydrogen 3.103 N/A ARG 56.A N GLU 52.A O no hydrogen 2.863 N/A ARG 56.A NE GLU 52.A OE2 no hydrogen 3.140 N/A ARG 56.A NH2 GLU 52.A OE2 no hydrogen 3.217 N/A LEU 57.A N ALA 53.A O no hydrogen 3.193 N/A LEU 58.A N GLN 54.A O no hydrogen 3.397 N/A ALA 59.A N ALA 55.A O no hydrogen 3.086 N/A LEU 60.A N ARG 56.A O no hydrogen 3.060 N/A LEU 61.A N LEU 57.A O no hydrogen 3.154 N/A LEU 61.A N LEU 58.A O no hydrogen 2.940 N/A GLY 62.A N ALA 59.A O no hydrogen 2.971 N/A ASN 63.A N LEU 58.A O no hydrogen 2.786 N/A TYR 67.A OH PHE 187.A O no hydrogen 2.577 N/A LYS 68.A N VAL 208.A O no hydrogen 2.880 N/A LEU 70.A N VAL 206.A O no hydrogen 2.686 N/A PHE 71.A N SER 234.A OG no hydrogen 3.006 N/A ILE 72.A N THR 204.A O no hydrogen 2.914 N/A THR 78.A OG1 GLY 74.A O no hydrogen 2.925 N/A PHE 80.A N SER 77.A O no hydrogen 2.940 N/A ALA 81.A N THR 78.A O no hydrogen 3.150 N/A MET 82.A N THR 78.A O no hydrogen 2.949 N/A ILE 83.A N GLN 79.A O no hydrogen 3.031 N/A MET 85.A N ALA 81.A O no hydrogen 3.058 N/A ASN 86.A N MET 82.A O no hydrogen 3.072 N/A ASN 86.A N ILE 83.A O no hydrogen 3.236 N/A ASN 86.A ND2 MET 82.A O no hydrogen 2.927 N/A ASN 86.A ND2 LEU 224.A O no hydrogen 2.727 N/A PHE 87.A N ILE 83.A O no hydrogen 2.944 N/A LEU 88.A N PRO 84.A O no hydrogen 2.844 N/A GLN 92.A N LYS 89.A O no hydrogen 3.197 N/A THR 93.A N ASN 141.A O no hydrogen 3.108 N/A ALA 94.A N ASP 115.A O no hydrogen 2.765 N/A ASN 95.A N TYR 144.A O no hydrogen 3.151 N/A ASN 95.A ND2 THR 93.A O no hydrogen 3.209 N/A TYR 96.A N HIS 117.A O no hydrogen 2.892 N/A TYR 96.A OH TYR 144.A OH no hydrogen 2.737 N/A VAL 97.A N HIS 146.A O no hydrogen 2.988 N/A MET 98.A N ALA 120.A O no hydrogen 2.924 N/A THR 99.A OG1 GLU 151.A OE2 no hydrogen 2.955 N/A SER 101.A N GLU 154.A OE1 no hydrogen 3.055 N/A SER 101.A OG GLU 154.A OE2 no hydrogen 2.658 N/A TRP 102.A N GLU 151.A OE1 no hydrogen 3.154 N/A ALA 103.A N GLU 151.A OE2 no hydrogen 3.180 N/A SER 104.A N GLY 100.A O no hydrogen 3.062 N/A LYS 105.A N SER 101.A O no hydrogen 3.180 N/A ALA 106.A N TRP 102.A O no hydrogen 3.061 N/A LEU 107.A N ALA 103.A O no hydrogen 3.031 N/A LYS 108.A N SER 104.A O no hydrogen 3.283 N/A LYS 108.A NZ SER 104.A O no hydrogen 3.415 N/A LYS 108.A NZ SER 104.A OG no hydrogen 3.298 N/A ALA 110.A N ALA 106.A O no hydrogen 3.356 N/A LYS 111.A N LEU 107.A O no hydrogen 3.275 N/A LEU 112.A N GLU 109.A O no hydrogen 3.047 N/A ILE 113.A N ALA 110.A O no hydrogen 2.928 N/A GLY 114.A N ALA 110.A O no hydrogen 2.998 N/A HIS 117.A N ALA 94.A O no hydrogen 2.895 N/A HIS 117.A ND1 ASN 95.A OD1 no hydrogen 2.961 N/A ALA 119.A N TYR 96.A O no hydrogen 2.778 N/A SER 122.A N MET 98.A O no hydrogen 3.031 N/A SER 122.A OG MET 98.A O no hydrogen 3.279 N/A GLU 123.A N SER 121.A OG no hydrogen 3.359 N/A SER 125.A N SER 122.A O no hydrogen 3.195 N/A SER 125.A OG SER 122.A O no hydrogen 3.094 N/A ASN 126.A N GLU 123.A O no hydrogen 3.142 N/A TYR 127.A N SER 122.A O no hydrogen 2.962 N/A MET 128.A N SER 125.A O no hydrogen 3.250 N/A THR 129.A N SER 125.A OG no hydrogen 3.337 N/A LEU 130.A N SER 293.A OG no hydrogen 3.148 N/A GLU 135.A N LYS 132.A O no hydrogen 2.909 N/A GLN 137.A N ALA 119.A O no hydrogen 2.844 N/A ALA 142.A N GLN 139.A O no hydrogen 3.406 N/A ALA 143.A N THR 93.A O no hydrogen 2.955 N/A TYR 144.A OH TYR 96.A OH no hydrogen 2.737 N/A LEU 145.A N PRO 168.A O no hydrogen 2.912 N/A HIS 146.A N ASN 95.A O no hydrogen 2.791 N/A HIS 146.A NE2 TYR 191.A OH no hydrogen 2.535 N/A LEU 147.A N ILE 170.A O no hydrogen 2.819 N/A SER 149.A N ASP 172.A O no hydrogen 3.071 N/A SER 149.A OG ASP 172.A O no hydrogen 3.074 N/A SER 149.A OG ASP 176.A OD1 no hydrogen 2.773 N/A ASN 150.A ND2 SER 175.A OG no hydrogen 2.593 N/A ASN 150.A ND2 ASN 298.A OD1 no hydrogen 2.687 N/A GLU 151.A N ALA 156.A O no hydrogen 2.706 N/A THR 152.A OG1 SER 175.A OG no hydrogen 2.835 N/A GLY 155.A N GLU 151.A O no hydrogen 2.877 N/A GLN 157.A N SER 293.A O no hydrogen 2.976 N/A GLN 157.A NE2 ASP 176.A OD2 no hydrogen 2.767 N/A PHE 158.A N SER 149.A O no hydrogen 2.911 N/A LYS 159.A NZ GLN 157.A O no hydrogen 2.804 N/A LYS 159.A NZ ASP 292.A O no hydrogen 3.565 N/A LYS 159.A NZ ARG 294.A O no hydrogen 2.472 N/A THR 164.A OG1 VAL 167.A O no hydrogen 2.385 N/A GLY 165.A N ASP 163.A OD1 no hydrogen 3.400 N/A VAL 167.A N THR 164.A O no hydrogen 3.252 N/A ILE 170.A N LEU 145.A O no hydrogen 2.737 N/A GLY 171.A N LEU 189.A O no hydrogen 3.047 N/A ASP 172.A N LEU 147.A O no hydrogen 2.815 N/A MET 173.A N TYR 191.A O no hydrogen 2.791 N/A SER 174.A N ASP 172.A OD1 no hydrogen 3.116 N/A SER 174.A OG ASP 172.A OD1 no hydrogen 2.776 N/A SER 175.A OG THR 152.A OG1 no hydrogen 2.835 N/A ASP 176.A N MET 173.A O no hydrogen 3.207 N/A ILE 177.A N MET 173.A O no hydrogen 2.913 N/A SER 179.A N ASP 176.A O no hydrogen 3.222 N/A SER 179.A OG ASP 176.A O no hydrogen 2.645 N/A ARG 180.A NH1 PHE 158.A O no hydrogen 2.511 N/A ARG 180.A NH2 PHE 158.A O no hydrogen 3.070 N/A ASN 185.A ND2 ASP 183.A OD1 no hydrogen 3.041 N/A GLN 186.A N ASP 183.A O no hydrogen 3.063 N/A GLN 186.A NE2 PHE 161.A O no hydrogen 3.280 N/A PHE 187.A N LEU 184.A O no hydrogen 2.993 N/A GLY 188.A N LEU 169.A O no hydrogen 2.778 N/A LEU 189.A N LEU 169.A O no hydrogen 3.358 N/A VAL 190.A N ILE 207.A O no hydrogen 2.992 N/A TYR 191.A N GLY 171.A O no hydrogen 3.124 N/A TYR 191.A OH HIS 146.A NE2 no hydrogen 2.535 N/A ALA 192.A N VAL 205.A O no hydrogen 2.979 N/A GLY 193.A N SER 174.A OG no hydrogen 3.345 N/A ALA 194.A N VAL 203.A O no hydrogen 2.932 N/A GLN 195.A N GLN 195.A OE1 no hydrogen 2.688 N/A ASN 197.A ND2 ILE 177.A O no hydrogen 2.860 N/A LEU 198.A N ALA 194.A O no hydrogen 2.873 N/A THR 204.A N ILE 72.A O no hydrogen 2.771 N/A THR 204.A OG1 ILE 72.A O no hydrogen 3.433 N/A VAL 205.A N ALA 192.A O no hydrogen 2.926 N/A VAL 206.A N LEU 70.A O no hydrogen 2.937 N/A ILE 207.A N VAL 190.A O no hydrogen 2.909 N/A VAL 208.A N LYS 68.A O no hydrogen 2.919 N/A ARG 209.A N GLY 188.A O no hydrogen 2.737 N/A ARG 209.A NE ASP 211.A OD1 no hydrogen 2.792 N/A GLU 210.A N GLY 66.A O no hydrogen 2.989 N/A LEU 212.A N ARG 209.A O no hydrogen 3.078 N/A VAL 213.A N GLU 210.A O no hydrogen 3.405 N/A SER 216.A N ASP 227.A OD2 no hydrogen 3.094 N/A SER 216.A OG ASN 86.A OD1 no hydrogen 3.400 N/A LEU 220.A N PRO 217.A O no hydrogen 3.251 N/A LEU 224.A N PRO 221.A O no hydrogen 3.009 N/A ARG 225.A N THR 222.A O no hydrogen 3.480 N/A ARG 225.A NE ASP 227.A OD1 no hydrogen 3.296 N/A ARG 225.A NH2 ASP 227.A OD2 no hydrogen 3.130 N/A TYR 226.A N ASN 86.A OD1 no hydrogen 3.375 N/A TYR 226.A OH GLN 79.A OE1 no hydrogen 2.513 N/A ASP 227.A N SER 216.A OG no hydrogen 3.144 N/A THR 228.A N ARG 225.A O no hydrogen 3.200 N/A THR 228.A OG1 THR 222.A O no hydrogen 2.554 N/A THR 228.A OG1 ARG 225.A O no hydrogen 3.524 N/A TYR 229.A N TYR 226.A O no hydrogen 3.029 N/A TYR 229.A OH MET 223.A O no hydrogen 2.721 N/A VAL 230.A N TYR 226.A O no hydrogen 2.995 N/A LYS 231.A N ASP 227.A O no hydrogen 2.913 N/A ASN 232.A ND2 THR 228.A O no hydrogen 2.770 N/A ASN 233.A N VAL 230.A O no hydrogen 3.262 N/A ASN 233.A ND2 GLN 54.A OE1 no hydrogen 3.179 N/A SER 234.A N TYR 229.A O no hydrogen 2.754 N/A LEU 235.A N ASN 232.A O no hydrogen 2.963 N/A SER 241.A N PRO 239.A O no hydrogen 2.707 N/A ILE 244.A N PRO 240.A O no hydrogen 2.960 N/A TYR 245.A N SER 241.A O no hydrogen 3.136 N/A TYR 245.A OH GLU 25.A OE2 no hydrogen 2.770 N/A MET 246.A N PHE 242.A O no hydrogen 2.956 N/A VAL 247.A N GLY 243.A O no hydrogen 2.965 N/A ASN 248.A N ILE 244.A O no hydrogen 3.096 N/A ASN 248.A ND2 GLU 52.A OE2 no hydrogen 3.089 N/A GLU 249.A N TYR 245.A O no hydrogen 3.282 N/A VAL 250.A N MET 246.A O no hydrogen 3.193 N/A LEU 251.A N VAL 247.A O no hydrogen 3.087 N/A LYS 252.A N ASN 248.A O no hydrogen 3.132 N/A LYS 252.A NZ GLU 249.A OE2 no hydrogen 2.943 N/A TRP 253.A N GLU 249.A O no hydrogen 3.217 N/A ILE 254.A N VAL 250.A O no hydrogen 2.898 N/A GLU 255.A N LEU 251.A O no hydrogen 3.162 N/A GLU 256.A N LYS 252.A O no hydrogen 3.086 N/A ARG 257.A N TRP 253.A O no hydrogen 3.049 N/A ARG 257.A N ILE 254.A O no hydrogen 3.190 N/A GLY 258.A N GLU 255.A O no hydrogen 2.957 N/A GLY 259.A N ILE 254.A O no hydrogen 2.944 N/A GLY 262.A N GLY 258.A O no hydrogen 3.138 N/A GLY 262.A N GLY 259.A O no hydrogen 3.109 N/A VAL 263.A N GLY 259.A O no hydrogen 3.054 N/A GLN 264.A N LEU 260.A O no hydrogen 2.994 N/A GLN 265.A N GLU 261.A O no hydrogen 3.485 N/A ALA 266.A N GLY 262.A O no hydrogen 3.207 N/A ASN 267.A N VAL 263.A O no hydrogen 2.852 N/A ASN 267.A ND2 SER 179.A O no hydrogen 3.591 N/A ASN 267.A ND2 ASN 339.A OD1 no hydrogen 2.839 N/A ARG 268.A N GLN 264.A O no hydrogen 2.851 N/A ARG 268.A NH1 ASP 296.A OD2 no hydrogen 3.297 N/A LYS 269.A N GLN 265.A O no hydrogen 3.197 N/A LYS 269.A N ALA 266.A O no hydrogen 3.110 N/A LYS 270.A N ALA 266.A O no hydrogen 3.209 N/A LYS 270.A NZ ASN 267.A OD1 no hydrogen 3.448 N/A LYS 270.A NZ ILE 337.A O no hydrogen 3.124 N/A LYS 270.A NZ TYR 338.A O no hydrogen 2.707 N/A LYS 270.A NZ VAL 341.A O no hydrogen 2.512 N/A ALA 271.A N ASN 267.A O no hydrogen 3.124 N/A SER 272.A N ARG 268.A O no hydrogen 3.306 N/A SER 272.A OG ARG 268.A O no hydrogen 3.067 N/A SER 272.A OG LYS 269.A O no hydrogen 3.218 N/A LEU 273.A N LYS 269.A O no hydrogen 3.336 N/A TYR 275.A N ALA 271.A O no hydrogen 2.920 N/A TYR 275.A OH SER 295.A O no hydrogen 2.666 N/A ASP 276.A N SER 272.A O no hydrogen 3.016 N/A ALA 277.A N LEU 273.A O no hydrogen 3.085 N/A ILE 278.A N ILE 274.A O no hydrogen 3.092 N/A ASP 279.A N TYR 275.A O no hydrogen 2.787 N/A GLN 280.A N ASP 276.A O no hydrogen 2.990 N/A SER 281.A N ILE 278.A O no hydrogen 3.429 N/A SER 281.A OG ILE 278.A O no hydrogen 2.568 N/A SER 281.A OG TYR 285.A O no hydrogen 3.268 N/A PHE 284.A N SER 281.A O no hydrogen 3.167 N/A TYR 285.A N SER 281.A OG no hydrogen 3.143 N/A TYR 285.A OH MET 353.A O no hydrogen 2.646 N/A ARG 286.A N ARG 302.A O no hydrogen 2.931 N/A ARG 286.A NH2 LEU 303.A O no hydrogen 3.067 N/A CYS 288.A N THR 300.A O no hydrogen 3.139 N/A ASP 290.A N MET 128.A O no hydrogen 2.886 N/A SER 293.A N ASP 290.A O no hydrogen 2.836 N/A SER 293.A OG ASP 290.A OD1 no hydrogen 2.970 N/A ARG 294.A N VAL 291.A O no hydrogen 3.362 N/A ARG 294.A NH1 ASP 279.A OD2 no hydrogen 3.107 N/A ARG 294.A NH2 ASP 279.A OD1 no hydrogen 2.804 N/A ARG 294.A NH2 ASP 279.A OD2 no hydrogen 3.435 N/A SER 295.A N GLY 155.A O no hydrogen 3.210 N/A SER 295.A OG ASN 150.A OD1 no hydrogen 2.564 N/A ASP 296.A N GLN 157.A OE1 no hydrogen 3.264 N/A MET 297.A N SER 295.A OG no hydrogen 2.991 N/A ASN 298.A N SER 295.A OG no hydrogen 3.138 N/A ASN 298.A ND2 SER 336.A OG no hydrogen 2.937 N/A ASN 298.A ND2 TYR 338.A OH no hydrogen 3.201 N/A ILE 299.A N ALA 335.A O no hydrogen 2.944 N/A THR 300.A OG1 GLU 154.A O no hydrogen 2.907 N/A PHE 301.A N LEU 333.A O no hydrogen 2.915 N/A ARG 302.A N ARG 286.A O no hydrogen 2.761 N/A ARG 302.A NE GLU 309.A OE1 no hydrogen 3.480 N/A ARG 302.A NE GLU 309.A OE2 no hydrogen 2.933 N/A ARG 302.A NH2 GLU 309.A OE1 no hydrogen 3.156 N/A LEU 303.A N GLU 309.A OE2 no hydrogen 2.929 N/A LEU 308.A N SER 305.A OG no hydrogen 3.215 N/A GLU 309.A N SER 305.A O no hydrogen 3.210 N/A LYS 310.A N GLU 306.A O no hydrogen 3.088 N/A LYS 310.A NZ GLU 307.A OE1 no hydrogen 3.317 N/A GLU 311.A N GLU 307.A O no hydrogen 2.984 N/A PHE 312.A N LEU 308.A O no hydrogen 2.995 N/A VAL 313.A N GLU 309.A O no hydrogen 3.246 N/A LYS 314.A N LYS 310.A O no hydrogen 3.299 N/A ALA 315.A N GLU 311.A O no hydrogen 3.060 N/A SER 316.A N PHE 312.A O no hydrogen 2.928 N/A SER 316.A OG PHE 312.A O no hydrogen 3.357 N/A SER 316.A OG VAL 313.A O no hydrogen 2.735 N/A GLU 317.A N VAL 313.A O no hydrogen 3.057 N/A GLN 318.A N LYS 314.A O no hydrogen 3.086 N/A GLU 319.A N ALA 315.A O no hydrogen 3.242 N/A GLU 319.A N SER 316.A O no hydrogen 3.278 N/A GLY 320.A N GLU 317.A O no hydrogen 3.107 N/A PHE 321.A N SER 316.A O no hydrogen 2.802 N/A VAL 322.A N TYR 5.A O no hydrogen 2.845 N/A GLY 326.A N GLY 332.A O no hydrogen 2.936 N/A HIS 327.A ND1 SER 329.A OG no hydrogen 2.760 N/A SER 329.A N HIS 327.A ND1 no hydrogen 3.152 N/A SER 329.A OG HIS 327.A ND1 no hydrogen 2.760 N/A VAL 330.A N HIS 327.A O no hydrogen 2.788 N/A GLY 331.A N HIS 327.A O no hydrogen 2.739 N/A LEU 333.A N PHE 301.A O no hydrogen 2.830 N/A ARG 334.A N LEU 324.A O no hydrogen 2.987 N/A ARG 334.A NH1 THR 152.A O no hydrogen 3.030 N/A ALA 335.A N ILE 299.A O no hydrogen 2.775 N/A ILE 337.A N MET 297.A O no hydrogen 2.878 N/A TYR 338.A OH ALA 9.A O no hydrogen 2.599 N/A ASN 339.A N ASN 197.A OD1 no hydrogen 3.015 N/A ASN 339.A ND2 LEU 178.A O no hydrogen 2.861 N/A VAL 341.A N TYR 338.A O no hydrogen 2.922 N/A TYR 343.A OH GLU 347.A OE2 no hydrogen 3.021 N/A SER 345.A N PRO 342.A O no hydrogen 3.237 N/A CYS 346.A SG PRO 342.A O no hydrogen 3.752 N/A GLU 347.A N TYR 343.A O no hydrogen 2.934 N/A ALA 348.A N GLU 344.A O no hydrogen 2.942 N/A LEU 349.A N SER 345.A O no hydrogen 3.039 N/A VAL 350.A N CYS 346.A O no hydrogen 2.983 N/A GLN 351.A N GLU 347.A O no hydrogen 3.175 N/A PHE 352.A N ALA 348.A O no hydrogen 3.042 N/A MET 353.A N LEU 349.A O no hydrogen 2.900 N/A GLU 354.A N VAL 350.A O no hydrogen 3.134 N/A HIS 355.A N GLN 351.A O no hydrogen 2.932 N/A PHE 356.A N PHE 352.A O no hydrogen 2.857 N/A LYS 357.A N MET 353.A O no hydrogen 3.173 N/A ARG 358.A N GLU 354.A O no hydrogen 3.293 N/A SER 359.A N HIS 355.A O no hydrogen 2.983 N/A SER 359.A OG HIS 355.A O no hydrogen 3.397 N/A SER 359.A OG PHE 356.A O no hydrogen 2.992 N/A ARG 360.A N LYS 357.A O no hydrogen 3.141 N/A ARG 360.A NH1 SER 359.A OG no hydrogen 2.768 N/A ARG 360.A NH2 GLU 311.A OE1 no hydrogen 3.219 N/A GLY 361.A N ARG 358.A O no hydrogen 3.492 N/A