Finding intermodel H-bonds
Finding intramodel H-bonds
Constraints relaxed by 0.4 angstroms and 20 degrees
Models used:
	#0 4z0h_O.cif

H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist):
ILE 3.A N      GLU 26.A O     no hydrogen  2.752  N/A
GLY 4.A N      TYR 93.A O     no hydrogen  2.636  N/A
ILE 5.A N      ALA 29.A O     no hydrogen  2.717  N/A
ASN 6.A N      VAL 95.A O     no hydrogen  2.695  N/A
ASN 6.A ND2    GLU 96.A OE2   no hydrogen  2.541  N/A
GLY 7.A N      ASN 31.A O     no hydrogen  2.680  N/A
PHE 8.A N      ASP 32.A OD2   no hydrogen  2.770  N/A
ARG 10.A NE    GLU 316.A OE1  no hydrogen  2.677  N/A
ARG 10.A NH1   ASP 47.A OD2   no hydrogen  3.113  N/A
ARG 10.A NH2   ASP 47.A OD1   no hydrogen  3.011  N/A
ARG 10.A NH2   ASP 47.A OD2   no hydrogen  3.375  N/A
ARG 10.A NH2   GLU 316.A OE1  no hydrogen  3.194  N/A
ARG 10.A NH2   GLU 316.A OE2  no hydrogen  3.173  N/A
ARG 13.A N     GLY 9.A O      no hydrogen  2.889  N/A
ARG 13.A NE    MET 43.A O     no hydrogen  3.149  N/A
ARG 13.A NH1   PHE 8.A O      no hydrogen  2.877  N/A
LEU 14.A N     ARG 10.A O     no hydrogen  2.923  N/A
VAL 15.A N     ILE 11.A O     no hydrogen  2.731  N/A
ALA 16.A N     GLY 12.A O     no hydrogen  2.917  N/A
ARG 17.A N     ARG 13.A O     no hydrogen  2.832  N/A
ARG 17.A NH1   PHE 44.A O     no hydrogen  2.747  N/A
ARG 17.A NH1   GLY 51A.A O    no hydrogen  3.421  N/A
ARG 17.A NH2   GLY 51A.A O    no hydrogen  2.702  N/A
VAL 18.A N     LEU 14.A O     no hydrogen  2.859  N/A
VAL 19.A N     VAL 15.A O     no hydrogen  2.731  N/A
LEU 20.A N     ALA 16.A O     no hydrogen  2.909  N/A
GLN 21.A N     VAL 18.A O     no hydrogen  3.171  N/A
GLN 21.A NE2   HIS 55.A NE2   no hydrogen  2.922  N/A
ARG 22.A N     VAL 18.A O     no hydrogen  3.285  N/A
ARG 22.A N     VAL 19.A O     no hydrogen  3.176  N/A
ARG 22.A NE    ASP 24.A OD1   no hydrogen  2.876  N/A
ARG 22.A NH1   ASP 325.A OD1  no hydrogen  2.834  N/A
ARG 22.A NH2   ASP 24.A OD1   no hydrogen  3.327  N/A
ARG 22.A NH2   ASP 24.A OD2   no hydrogen  2.690  N/A
ASP 24.A N     ASP 24.A OD1   no hydrogen  2.552  N/A
GLU 26.A N     ILE 1.A O      no hydrogen  2.774  N/A
VAL 28.A N     ILE 3.A O      no hydrogen  2.799  N/A
VAL 30.A N     THR 74.A O     no hydrogen  3.113  N/A
ASN 31.A N     ILE 5.A O      no hydrogen  2.708  N/A
ASN 31.A ND2   ASN 6.A OD1    no hydrogen  3.147  N/A
ASN 31.A ND2   ILE 78.A O     no hydrogen  2.986  N/A
ASP 32.A N     PHE 76.A O     no hydrogen  3.116  N/A
PHE 34.A N     ASP 32.A OD1   no hydrogen  3.069  N/A
ILE 35.A N     ASP 32.A O     no hydrogen  3.461  N/A
THR 37.A OG1   GLU 63.A O     no hydrogen  2.844  N/A
TYR 39.A N     THR 36.A OG1   no hydrogen  3.194  N/A
MET 40.A N     THR 36.A O     no hydrogen  2.873  N/A
MET 40.A N     THR 37.A O     no hydrogen  3.205  N/A
TYR 42.A N     GLU 38.A O     no hydrogen  3.319  N/A
TYR 42.A N     TYR 39.A O     no hydrogen  2.939  N/A
MET 43.A N     TYR 39.A O     no hydrogen  3.062  N/A
PHE 44.A N     MET 40.A O     no hydrogen  2.905  N/A
LYS 45.A N     THR 41.A O     no hydrogen  3.155  N/A
TYR 46.A N     TYR 42.A O     no hydrogen  2.999  N/A
VAL 49.A N     ASP 47.A OD1   no hydrogen  3.069  N/A
HIS 50.A N     ASP 47.A OD1   no hydrogen  3.055  N/A
HIS 50.A NE2   GLU 316.A OE2  no hydrogen  2.903  N/A
TRP 53.A N     LYS 45.A O     no hydrogen  3.032  N/A
LYS 54.A NZ    GLN 52B.A O    no hydrogen  3.158  N/A
GLU 57.A N     ASN 56.A OD1   no hydrogen  2.008  N/A
LEU 58.A N     LEU 67.A O     no hydrogen  2.754  N/A
LYS 59.A NZ    ASP 62.A O     no hydrogen  3.342  N/A
ILE 60.A N     THR 65.A O     no hydrogen  2.852  N/A
LYS 61.A N     THR 65.A O     no hydrogen  3.451  N/A
LYS 64.A N     LYS 61.A O     no hydrogen  3.166  N/A
LEU 66.A N     VAL 73.A O     no hydrogen  2.789  N/A
LEU 67.A N     LEU 58.A O     no hydrogen  2.508  N/A
PHE 68.A N     LYS 71.A O     no hydrogen  3.071  N/A
LYS 71.A N     PHE 68.A O     no hydrogen  2.812  N/A
VAL 73.A N     LEU 66.A O     no hydrogen  2.815  N/A
THR 74.A N     VAL 28.A O     no hydrogen  3.123  N/A
VAL 75.A N     LYS 64.A O     no hydrogen  2.798  N/A
PHE 76.A N     VAL 30.A O     no hydrogen  2.941  N/A
ILE 78.A N     ASN 31.A OD1   no hydrogen  2.823  N/A
ASP 83.A N     ASN 80.A O     no hydrogen  2.910  N/A
ILE 84.A N     PRO 81.A O     no hydrogen  2.641  N/A
TRP 86.A N     ILE 84.A O     no hydrogen  2.787  N/A
TRP 86.A NE1   HIS 110.A ND1  no hydrogen  2.982  N/A
GLU 88.A N     PRO 85.A O     no hydrogen  2.852  N/A
ALA 89.A N     ALA 87.A O     no hydrogen  2.516  N/A
GLY 90.A N     ALA 87.A O     no hydrogen  2.827  N/A
TYR 93.A N     ARG 2.A O      no hydrogen  3.050  N/A
VAL 94.A N     LYS 117.A O    no hydrogen  3.055  N/A
VAL 95.A N     GLY 4.A O      no hydrogen  2.896  N/A
GLU 96.A N     VAL 119.A O    no hydrogen  2.716  N/A
SER 97.A N     ASN 6.A O      no hydrogen  2.813  N/A
SER 97.A OG    ASN 6.A O      no hydrogen  2.989  N/A
SER 97.A OG    GLY 7.A O      no hydrogen  3.379  N/A
THR 98.A N     GLU 96.A OE1   no hydrogen  3.368  N/A
THR 98.A OG1   GLU 96.A OE1   no hydrogen  2.605  N/A
VAL 100.A N    THR 98.A OG1   no hydrogen  3.155  N/A
LYS 104.A N    ASP 126.A OD1  no hydrogen  3.043  N/A
LYS 104.A NZ   ASP 144.A OD1  no hydrogen  3.560  N/A
LYS 106.A N    ASP 103.A O    no hydrogen  2.504  N/A
ALA 107.A N    ASP 103.A O    no hydrogen  2.823  N/A
ALA 108.A N    LYS 104.A O    no hydrogen  3.013  N/A
ALA 109.A N    LYS 106.A O    no hydrogen  3.339  N/A
HIS 110.A N    ALA 107.A O    no hydrogen  3.062  N/A
HIS 110.A NE2  GLU 96.A OE2   no hydrogen  2.852  N/A
LEU 111.A N    ALA 108.A O    no hydrogen  2.873  N/A
LYS 112.A NZ   GLU 82.A OE1   no hydrogen  3.282  N/A
ALA 115.A N    GLY 113.A O    no hydrogen  3.130  N/A
LYS 117.A N    ASP 92.A O     no hydrogen  2.818  N/A
LYS 117.A NZ   TYR 139.A OH   no hydrogen  3.169  N/A
LYS 117.A NZ   SER 141.A O    no hydrogen  3.016  N/A
VAL 118.A N    ASP 144.A O    no hydrogen  3.288  N/A
VAL 119.A N    VAL 94.A O     no hydrogen  2.498  N/A
ILE 120.A N    VAL 146.A O    no hydrogen  2.640  N/A
SER 121.A N    GLU 96.A O     no hydrogen  2.721  N/A
SER 124.A OG   THR 102.A O    no hydrogen  1.873  N/A
PHE 130.A N    SER 147.A O    no hydrogen  2.796  N/A
GLY 133.A N    GLU 136.A OE1  no hydrogen  2.958  N/A
VAL 134.A N    VAL 131.A O    no hydrogen  2.929  N/A
ASN 135.A N    VAL 131.A O    no hydrogen  3.051  N/A
ASN 135.A ND2  VAL 131.A O    no hydrogen  3.432  N/A
GLU 136.A N    GLU 136.A OE1  no hydrogen  2.349  N/A
GLU 138.A N    ASN 135.A O    no hydrogen  3.175  N/A
TYR 139.A N    GLU 136.A O    no hydrogen  3.116  N/A
LEU 143.A N    LYS 140.A O    no hydrogen  3.227  N/A
ASP 144.A N    ASP 144.A OD1  no hydrogen  2.505  N/A
VAL 146.A N    VAL 118.A O    no hydrogen  2.771  N/A
SER 147.A N    PRO 128.A O    no hydrogen  3.016  N/A
SER 147.A OG   ALA 122.A O    no hydrogen  2.391  N/A
ASN 148.A N    ILE 120.A O    no hydrogen  3.184  N/A
ALA 149.A N    SER 147.A OG   no hydrogen  3.369  N/A
SER 150.A N    THR 153.A OG1  no hydrogen  2.650  N/A
SER 150.A OG   THR 153.A OG1  no hydrogen  2.973  N/A
CYS 151.A SG   HIS 178.A NE2  no hydrogen  3.673  N/A
THR 152.A N    SER 150.A OG   no hydrogen  3.109  N/A
THR 152.A OG1  TYR 313.A OH   no hydrogen  2.915  N/A
THR 153.A N    SER 150.A OG   no hydrogen  3.074  N/A
THR 153.A OG1  SER 150.A O    no hydrogen  2.784  N/A
THR 153.A OG1  SER 150.A OG   no hydrogen  2.973  N/A
ASN 154.A N    SER 150.A O    no hydrogen  2.761  N/A
CYS 155.A N    CYS 151.A O    no hydrogen  3.042  N/A
CYS 155.A SG   SER 292.A OG   no hydrogen  3.573  N/A
CYS 155.A SG   SER 311.A O    no hydrogen  3.856  N/A
CYS 155.A SG   TRP 312.A O    no hydrogen  3.815  N/A
LEU 156.A N    THR 152.A O    no hydrogen  2.774  N/A
ALA 157.A N    THR 153.A O    no hydrogen  2.837  N/A
ALA 160.A N    LEU 156.A O    no hydrogen  2.740  N/A
LYS 161.A N    ALA 157.A O    no hydrogen  2.546  N/A
LYS 161.A NZ   ASP 165.A OD2  no hydrogen  3.408  N/A
ILE 163.A N    LEU 159.A O    no hydrogen  2.949  N/A
ASN 164.A N    ALA 160.A O    no hydrogen  2.843  N/A
ASP 165.A N    LYS 161.A O    no hydrogen  2.720  N/A
ARG 166.A N    VAL 162.A O    no hydrogen  3.293  N/A
ARG 166.A NH2  GLU 263.A OE1  no hydrogen  3.529  N/A
PHE 167.A N    ILE 163.A O    no hydrogen  2.845  N/A
GLY 168.A N    ILE 163.A O    no hydrogen  3.252  N/A
VAL 170.A N    ARG 247.A O    no hydrogen  2.777  N/A
GLY 172.A N    LYS 226.A O    no hydrogen  2.691  N/A
LEU 173.A N    THR 245.A O    no hydrogen  2.745  N/A
MET 174.A N    THR 228.A O    no hydrogen  2.781  N/A
THR 175.A N    ASP 243.A O    no hydrogen  2.625  N/A
THR 176.A N    MET 230.A O    no hydrogen  3.126  N/A
THR 176.A OG1  VAL 241.A O    no hydrogen  2.980  N/A
THR 176.A OG1  TYR 313.A OH   no hydrogen  3.179  N/A
VAL 177.A N    VAL 241.A O    no hydrogen  3.167  N/A
HIS 178.A N    PHE 232.A O    no hydrogen  2.770  N/A
HIS 178.A ND1  SER 179.A O    no hydrogen  2.565  N/A
SER 179.A N    SER 240.A OG   no hydrogen  3.414  N/A
SER 179.A OG   THR 236.A O    no hydrogen  2.966  N/A
SER 179.A OG   THR 236.A OG1  no hydrogen  2.503  N/A
SER 179.A OG   VAL 239.A O    no hydrogen  2.658  N/A
ILE 180.A N    THR 236.A O    no hydrogen  3.218  N/A
THR 181.A OG1  THR 183.A OG1  no hydrogen  3.226  N/A
THR 183.A OG1  THR 181.A OG1  no hydrogen  3.226  N/A
GLN 184.A N    THR 181.A O    no hydrogen  3.152  N/A
GLY 189.A N    GLY 198.A O    no hydrogen  2.834  N/A
SER 191.A OG   ASP 194.A O    no hydrogen  2.299  N/A
ASP 194.A N    SER 191.A O    no hydrogen  2.928  N/A
GLY 197.A N    ASP 194.A O    no hydrogen  3.057  N/A
GLY 198.A N    TRP 195.A O    no hydrogen  3.236  N/A
ARG 199.A N    ARG 196.A O    no hydrogen  3.462  N/A
ARG 199.A NE   ASP 188.A OD2  no hydrogen  3.165  N/A
ALA 200.A N    ASP 188.A OD1  no hydrogen  2.803  N/A
ALA 201.A N    LYS 185.A O    no hydrogen  2.757  N/A
PHE 203.A N    ALA 200.A O    no hydrogen  3.306  N/A
ILE 206.A N    ARG 233.A O    no hydrogen  2.811  N/A
SER 208.A N    SER 231.A O    no hydrogen  2.882  N/A
ALA 212.A N    THR 210.A OG1  no hydrogen  3.428  N/A
ALA 215.A N    GLY 211.A O    no hydrogen  2.801  N/A
VAL 216.A N    ALA 212.A O    no hydrogen  2.800  N/A
LYS 218.A N    ALA 215.A O    no hydrogen  2.869  N/A
VAL 219.A N    VAL 216.A O    no hydrogen  3.338  N/A
LEU 220.A N    GLY 217.A O    no hydrogen  3.479  N/A
LEU 223.A N    LEU 220.A O    no hydrogen  2.917  N/A
ASN 224.A N    PRO 221.A O    no hydrogen  2.934  N/A
LYS 226.A N    LEU 223.A O    no hydrogen  2.782  N/A
LYS 226.A NZ   ALA 222.A O    no hydrogen  1.808  N/A
THR 228.A N    GLY 172.A O    no hydrogen  3.032  N/A
MET 230.A N    MET 174.A O    no hydrogen  3.081  N/A
SER 231.A N    SER 208.A O    no hydrogen  2.992  N/A
SER 231.A OG   THR 176.A O    no hydrogen  3.361  N/A
PHE 232.A N    THR 176.A O    no hydrogen  2.793  N/A
ARG 233.A N    ILE 206.A O    no hydrogen  2.910  N/A
ARG 233.A NH1  THR 181.A OG1  no hydrogen  2.929  N/A
ARG 233.A NH1  GLN 184.A OE1  no hydrogen  2.849  N/A
VAL 234.A N    HIS 178.A O    no hydrogen  2.887  N/A
THR 236.A N    VAL 234.A O    no hydrogen  2.965  N/A
THR 236.A OG1  SER 179.A OG   no hydrogen  2.503  N/A
SER 240.A N    TYR 313.A O    no hydrogen  2.975  N/A
SER 240.A OG   ASN 315.A OD1  no hydrogen  2.582  N/A
VAL 241.A N    VAL 177.A O    no hydrogen  2.950  N/A
VAL 242.A N    SER 311.A O    no hydrogen  2.739  N/A
ASP 243.A N    THR 175.A O    no hydrogen  2.716  N/A
LEU 244.A N    LEU 309.A O    no hydrogen  2.930  N/A
THR 245.A N    LEU 173.A O    no hydrogen  2.702  N/A
VAL 246.A N    VAL 307.A O    no hydrogen  2.861  N/A
ARG 247.A N    GLU 171.A O    no hydrogen  2.863  N/A
LEU 248.A N    LYS 305.A O    no hydrogen  2.259  N/A
GLU 249.A N    GLY 168.A O    no hydrogen  3.168  N/A
LYS 250.A N    PHE 167.A O    no hydrogen  3.050  N/A
ALA 252.A N    ASP 304.A O    no hydrogen  2.781  N/A
THR 253.A N    GLU 256.A OE1  no hydrogen  3.436  N/A
TYR 254.A OH   ALA 296.A O    no hydrogen  3.076  N/A
GLU 256.A N    THR 253.A OG1  no hydrogen  3.359  N/A
ILE 257.A N    THR 253.A O    no hydrogen  3.208  N/A
LYS 258.A N    TYR 254.A O    no hydrogen  2.814  N/A
LYS 259.A N    ASP 255.A O    no hydrogen  3.103  N/A
ALA 260.A N    GLU 256.A O    no hydrogen  2.920  N/A
ILE 261.A N    ILE 257.A O    no hydrogen  3.190  N/A
ILE 261.A N    LYS 258.A O    no hydrogen  3.116  N/A
LYS 262.A N    LYS 258.A O    no hydrogen  2.905  N/A
GLU 263.A N    LYS 259.A O    no hydrogen  3.157  N/A
GLU 264.A N    ALA 260.A O    no hydrogen  3.474  N/A
SER 265.A N    ILE 261.A O    no hydrogen  3.056  N/A
SER 265.A N    LYS 262.A O    no hydrogen  3.108  N/A
SER 265.A OG   LYS 262.A O    no hydrogen  2.637  N/A
GLU 266.A N    LYS 262.A O    no hydrogen  3.068  N/A
GLY 267.A N    GLU 263.A O    no hydrogen  2.746  N/A
GLY 267.A N    GLU 264.A O    no hydrogen  3.147  N/A
LEU 269.A N    GLU 264.A O    no hydrogen  2.903  N/A
LYS 270.A N    GLY 267.A O    no hydrogen  3.387  N/A
ILE 272.A N    LEU 269.A O    no hydrogen  2.953  N/A
LEU 273.A N    LEU 269.A O    no hydrogen  2.699  N/A
GLY 274.A N    SER 292.A O    no hydrogen  2.983  N/A
TYR 275.A OH   GLU 277.A OE2  no hydrogen  2.389  N/A
THR 276.A N    PHE 294.A O    no hydrogen  2.971  N/A
ASP 278.A N    THR 276.A OG1  no hydrogen  3.102  N/A
VAL 281.A N    ASP 284.A OD2  no hydrogen  3.199  N/A
ASP 284.A N    VAL 281.A O    no hydrogen  3.029  N/A
PHE 285.A N    SER 282.A O    no hydrogen  2.922  N/A
VAL 286.A N    THR 283.A O    no hydrogen  3.228  N/A
GLY 287.A N    ASP 314.A OD2  no hydrogen  2.829  N/A
ASP 288.A N    PHE 285.A O    no hydrogen  3.019  N/A
ARG 290.A N    ASP 288.A OD1  no hydrogen  3.024  N/A
ARG 290.A NH1  ASP 288.A OD1  no hydrogen  2.624  N/A
SER 292.A OG   CYS 155.A O    no hydrogen  2.740  N/A
SER 292.A OG   SER 311.A OG   no hydrogen  2.762  N/A
ILE 293.A N    TRP 312.A O    no hydrogen  2.848  N/A
PHE 294.A N    GLY 274.A O    no hydrogen  3.051  N/A
ASP 295.A N    VAL 310.A O    no hydrogen  2.719  N/A
ALA 296.A N    THR 276.A O    no hydrogen  3.066  N/A
LYS 297.A NZ   ASP 279.A OD1  no hydrogen  2.777  N/A
LYS 297.A NZ   ASP 279.A OD2  no hydrogen  3.256  N/A
ALA 298.A N    ASP 295.A O    no hydrogen  3.375  N/A
ALA 298.A N    ASP 295.A OD1  no hydrogen  3.193  N/A
GLY 299.A N    ALA 296.A O    no hydrogen  3.313  N/A
ILE 300.A N    LYS 308.A O    no hydrogen  2.734  N/A
LEU 302.A N    PHE 306.A O    no hydrogen  3.134  N/A
SER 303.A N    PHE 306.A O    no hydrogen  3.268  N/A
LYS 305.A N    SER 303.A OG   no hydrogen  3.335  N/A
PHE 306.A N    SER 303.A O    no hydrogen  2.774  N/A
VAL 307.A N    VAL 246.A O    no hydrogen  2.831  N/A
LYS 308.A N    ILE 300.A O    no hydrogen  2.498  N/A
LEU 309.A N    LEU 244.A O    no hydrogen  2.729  N/A
SER 311.A N    VAL 242.A O    no hydrogen  3.033  N/A
SER 311.A OG   SER 292.A OG   no hydrogen  2.762  N/A
TRP 312.A N    ILE 293.A O    no hydrogen  2.568  N/A
TRP 312.A NE1  ASP 295.A OD2  no hydrogen  2.896  N/A
TYR 313.A N    SER 240.A O    no hydrogen  2.933  N/A
TYR 313.A OH   THR 152.A OG1  no hydrogen  2.915  N/A
TYR 313.A OH   THR 176.A OG1  no hydrogen  3.179  N/A
GLU 316.A N    ASP 314.A OD1  no hydrogen  2.913  N/A
TRP 317.A N    ASP 314.A OD1  no hydrogen  2.788  N/A
GLY 318.A N    ASP 314.A O    no hydrogen  2.926  N/A
TYR 319.A OH   ALA 149.A O    no hydrogen  2.587  N/A
SER 320.A N    GLU 316.A O    no hydrogen  3.287  N/A
SER 320.A OG   GLU 316.A O    no hydrogen  2.988  N/A
SER 321.A N    TRP 317.A O    no hydrogen  3.187  N/A
SER 321.A OG   TRP 317.A O    no hydrogen  2.954  N/A
ARG 322.A N    GLY 318.A O    no hydrogen  3.228  N/A
ARG 322.A NE   ASP 325.A OD2  no hydrogen  3.327  N/A
ARG 322.A NH1  ASN 289.A O    no hydrogen  2.873  N/A
ARG 322.A NH1  SER 291.A OG   no hydrogen  3.232  N/A
ARG 322.A NH2  ASN 289.A O    no hydrogen  3.289  N/A
ARG 322.A NH2  ASP 325.A OD2  no hydrogen  3.181  N/A
VAL 323.A N    SER 320.A O    no hydrogen  3.229  N/A
VAL 324.A N    SER 320.A O    no hydrogen  3.411  N/A
ASP 325.A N    SER 321.A O    no hydrogen  2.857  N/A
LEU 326.A N    ARG 322.A O    no hydrogen  3.000  N/A
ILE 327.A N    VAL 323.A O    no hydrogen  3.050  N/A
VAL 328.A N    VAL 324.A O    no hydrogen  3.038  N/A
HIS 329.A N    ASP 325.A O    no hydrogen  3.071  N/A
MET 330.A N    LEU 326.A O    no hydrogen  2.859  N/A
MET 330.A N    ILE 327.A O    no hydrogen  3.123  N/A
SER 331.A N    ILE 327.A O    no hydrogen  3.161  N/A
SER 331.A OG   ILE 327.A O    no hydrogen  3.488  N/A
SER 331.A OG   VAL 328.A O    no hydrogen  2.803  N/A
ALA 333.A N    MET 330.A O    no hydrogen  3.036  N/A
GLY 51A.A N    ASP 47.A O     no hydrogen  3.228  N/A