data_I2K
# 
_chem_comp.id                                    I2K 
_chem_comp.name                                  3-sialyllactose 
_chem_comp.type                                  non-polymer 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C23 H39 N O19" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2022-02-08 
_chem_comp.pdbx_modified_date                    2022-12-02 
_chem_comp.pdbx_ambiguous_flag                   N 
_chem_comp.pdbx_release_status                   REL 
_chem_comp.pdbx_replaced_by                      ? 
_chem_comp.pdbx_replaces                         ? 
_chem_comp.formula_weight                        633.551 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     I2K 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   N 
_chem_comp.pdbx_ideal_coordinates_details        Corina 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        7QY8 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  PDBE 
# 
loop_
_chem_comp_atom.comp_id 
_chem_comp_atom.atom_id 
_chem_comp_atom.alt_atom_id 
_chem_comp_atom.type_symbol 
_chem_comp_atom.charge 
_chem_comp_atom.pdbx_align 
_chem_comp_atom.pdbx_aromatic_flag 
_chem_comp_atom.pdbx_leaving_atom_flag 
_chem_comp_atom.pdbx_stereo_config 
_chem_comp_atom.model_Cartn_x 
_chem_comp_atom.model_Cartn_y 
_chem_comp_atom.model_Cartn_z 
_chem_comp_atom.pdbx_model_Cartn_x_ideal 
_chem_comp_atom.pdbx_model_Cartn_y_ideal 
_chem_comp_atom.pdbx_model_Cartn_z_ideal 
_chem_comp_atom.pdbx_component_atom_id 
_chem_comp_atom.pdbx_component_comp_id 
_chem_comp_atom.pdbx_ordinal 
I2K N1  N1  N 0 1 N N N -7.407 6.839  24.425 -4.752 2.010  0.401  N1  I2K 1  
I2K C4  C1  C 0 1 N N S -6.543 8.675  23.082 -3.918 -0.253 -0.011 C4  I2K 2  
I2K C5  C2  C 0 1 N N R -7.747 9.017  22.209 -5.323 -0.844 0.117  C5  I2K 3  
I2K C6  C3  C 0 1 N N R -7.844 10.374 21.471 -5.224 -2.302 0.570  C6  I2K 4  
I2K C7  C4  C 0 1 N N N -8.865 10.361 20.346 -6.628 -2.905 0.658  C7  I2K 5  
I2K C8  C5  C 0 1 N N S -4.353 9.331  23.626 -1.802 -0.598 -1.086 C8  I2K 6  
I2K C10 C6  C 0 1 N N S -2.054 9.340  21.143 0.259  0.719  1.660  C10 I2K 7  
I2K C13 C7  C 0 1 N N S -3.527 8.163  18.979 2.487  0.353  -0.137 C13 I2K 8  
I2K C15 C8  C 0 1 N N R -5.457 7.346  16.350 5.109  0.804  -2.036 C15 I2K 9  
I2K C17 C9  C 0 1 N N R -3.096 6.435  15.931 6.014  -0.450 -0.073 C17 I2K 10 
I2K C20 C10 C 0 1 N N R -3.790 7.711  20.411 1.243  -0.531 -0.261 C20 I2K 11 
I2K C21 C11 C 0 1 N N N -3.411 10.544 23.654 -1.079 -1.524 -2.030 C21 I2K 12 
I2K C22 C12 C 0 1 N N N -4.430 8.569  24.962 -1.811 0.818  -1.667 C22 I2K 13 
I2K C1  C13 C 0 1 N N N -8.707 5.396  23.030 -6.156 3.972  0.951  C1  I2K 14 
I2K C2  C14 C 0 1 N N N -8.636 6.479  24.057 -5.395 3.115  -0.028 C2  I2K 15 
I2K O1  O1  O 0 1 N N N -9.642 6.968  24.557 -5.360 3.419  -1.201 O1  I2K 16 
I2K C3  C15 C 0 1 N N S -6.946 8.220  24.489 -4.013 1.177  -0.550 C3  I2K 17 
I2K O2  O2  O 0 1 N N N -7.803 7.991  21.214 -6.069 -0.096 1.080  O2  I2K 18 
I2K O3  O3  O 0 1 N N N -8.202 11.415 22.384 -4.446 -3.042 -0.373 O3  I2K 19 
I2K O4  O4  O 0 1 N N N -8.533 11.272 19.300 -6.545 -4.228 1.191  O4  I2K 20 
I2K O5  O5  O 0 1 N N N -5.646 9.793  23.192 -3.147 -1.050 -0.913 O5  I2K 21 
I2K O6  O6  O 0 1 N N N -3.757 8.416  22.692 -1.135 -0.590 0.178  O6  I2K 22 
I2K C9  C16 C 0 1 N N S -3.489 8.869  21.342 0.019  0.252  0.221  C9  I2K 23 
I2K O7  O7  O 0 1 N N N -1.122 8.331  21.538 0.397  -0.418 2.514  O7  I2K 24 
I2K C11 C17 C 0 1 N N R -1.826 9.704  19.663 1.540  1.556  1.710  C11 I2K 25 
I2K C12 C18 C 0 1 N N N -0.396 10.082 19.329 1.819  1.976  3.154  C12 I2K 26 
I2K O8  O8  O 0 1 N N N 0.227  10.828 20.375 2.948  2.852  3.186  O8  I2K 27 
I2K O9  O9  O 0 1 N N N -2.172 8.562  18.832 2.634  0.778  1.220  O9  I2K 28 
I2K O10 O10 O 0 1 N N N -3.787 7.087  18.122 3.642  -0.390 -0.532 O10 I2K 29 
I2K C14 C19 C 0 1 N N R -3.965 7.409  16.718 4.840  0.386  -0.589 C14 I2K 30 
I2K O11 O11 O 0 1 N N N -5.642 7.842  15.022 6.371  1.470  -2.112 O11 I2K 31 
I2K C16 C20 C 0 1 N N N -6.358 8.127  17.288 4.003  1.752  -2.506 C16 I2K 32 
I2K O12 O12 O 0 1 N N N -6.105 9.530  17.225 3.926  2.871  -1.621 O12 I2K 33 
I2K O13 O13 O 0 1 N N N -3.456 6.462  14.546 6.235  -1.553 -0.954 O13 I2K 34 
I2K C18 C21 C 0 1 N N R -3.187 4.995  16.454 5.691  -0.972 1.328  C18 I2K 35 
I2K O14 O14 O 0 1 N N N -2.883 4.099  15.393 4.453  -1.686 1.297  O14 I2K 36 
I2K C19 C22 C 0 1 N N N -2.259 4.742  17.651 6.791  -1.895 1.786  C19 I2K 37 
I2K O15 O15 O 0 1 N N N -2.641 4.101  18.588 6.541  -3.045 2.058  O15 I2K 38 
I2K O16 O16 O 0 1 N N N -5.139 7.277  20.571 1.061  -0.910 -1.627 O16 I2K 39 
I2K O17 O17 O 0 1 N N N -2.383 10.510 24.289 -0.446 -2.457 -1.594 O17 I2K 40 
I2K O18 O18 O 0 1 N N N -3.678 11.512 22.978 -1.137 -1.312 -3.354 O18 I2K 41 
I2K C23 C23 C 0 1 N N S -5.832 8.350  25.531 -2.600 1.740  -0.732 C23 I2K 42 
I2K O19 O19 O 0 1 N N N -5.816 7.148  26.306 -1.945 1.808  0.536  O19 I2K 43 
I2K H4  H1  H 0 1 N N N -6.761 6.117  24.673 -4.777 1.769  1.341  H4  I2K 44 
I2K H6  H2  H 0 1 N N N -6.011 7.840  22.603 -3.437 -0.242 0.967  H6  I2K 45 
I2K H7  H3  H 0 1 N N N -8.642 8.933  22.843 -5.827 -0.797 -0.848 H7  I2K 46 
I2K H9  H4  H 0 1 N N N -6.857 10.593 21.037 -4.747 -2.347 1.549  H9  I2K 47 
I2K H11 H5  H 0 1 N N N -8.916 9.345  19.927 -7.248 -2.289 1.309  H11 I2K 48 
I2K H12 H6  H 0 1 N N N -9.847 10.638 20.757 -7.070 -2.942 -0.337 H12 I2K 49 
I2K H15 H7  H 0 1 N N N -1.898 10.246 21.748 -0.585 1.324  1.992  H15 I2K 50 
I2K H21 H8  H 0 1 N N N -4.195 9.006  18.748 2.378  1.226  -0.781 H21 I2K 51 
I2K H23 H9  H 0 1 N N N -5.765 6.291  16.385 5.125  -0.080 -2.672 H23 I2K 52 
I2K H28 H10 H 0 1 N N N -2.050 6.761  16.034 6.910  0.169  -0.033 H28 I2K 53 
I2K H33 H11 H 0 1 N N N -3.103 6.885  20.647 1.369  -1.424 0.352  H33 I2K 54 
I2K H35 H12 H 0 1 N N N -3.970 7.581  24.813 -0.788 1.181  -1.759 H35 I2K 55 
I2K H36 H13 H 0 1 N N N -3.850 9.135  25.706 -2.284 0.805  -2.650 H36 I2K 56 
I2K H1  H14 H 0 1 N N N -9.760 5.148  22.831 -5.474 4.344  1.715  H1  I2K 57 
I2K H2  H15 H 0 1 N N N -8.229 5.740  22.101 -6.605 4.813  0.424  H2  I2K 58 
I2K H3  H16 H 0 1 N N N -8.184 4.503  23.402 -6.939 3.378  1.421  H3  I2K 59 
I2K H5  H17 H 0 1 N N N -7.784 8.854  24.816 -4.530 1.172  -1.509 H5  I2K 60 
I2K H8  H18 H 0 1 N N N -8.539 8.151  20.635 -5.678 -0.094 1.965  H8  I2K 61 
I2K H10 H19 H 0 1 N N N -8.258 12.241 21.917 -4.812 -3.045 -1.268 H10 I2K 62 
I2K H13 H20 H 0 1 N N N -9.196 11.230 18.621 -7.399 -4.673 1.276  H13 I2K 63 
I2K H14 H21 H 0 1 N N N -4.165 9.701  21.095 -0.137 1.118  -0.422 H14 I2K 64 
I2K H16 H22 H 0 1 N N N -0.236 8.648  21.405 0.552  -0.196 3.443  H16 I2K 65 
I2K H17 H23 H 0 1 N N N -2.481 10.551 19.411 1.418  2.444  1.090  H17 I2K 66 
I2K H18 H24 H 0 1 N N N 0.182  9.162  19.158 0.947  2.492  3.557  H18 I2K 67 
I2K H19 H25 H 0 1 N N N -0.396 10.690 18.413 2.029  1.092  3.756  H19 I2K 68 
I2K H20 H26 H 0 1 N N N 1.118  11.043 20.124 3.183  3.159  4.072  H20 I2K 69 
I2K H22 H27 H 0 1 N N N -3.605 8.431  16.528 4.727  1.275  0.032  H22 I2K 70 
I2K H24 H28 H 0 1 N N N -6.564 7.803  14.794 7.120  0.928  -1.829 H24 I2K 71 
I2K H25 H29 H 0 1 N N N -7.406 7.942  17.010 4.228  2.101  -3.514 H25 I2K 72 
I2K H26 H30 H 0 1 N N N -6.185 7.781  18.318 3.049  1.224  -2.509 H26 I2K 73 
I2K H27 H31 H 0 1 N N N -6.686 9.984  17.824 3.245  3.514  -1.859 H27 I2K 74 
I2K H29 H32 H 0 1 N N N -2.909 5.852  14.064 5.477  -2.148 -1.038 H29 I2K 75 
I2K H30 H33 H 0 1 N N N -4.221 4.824  16.788 5.609  -0.133 2.019  H30 I2K 76 
I2K H31 H34 H 0 1 N N N -2.937 3.204  15.708 4.453  -2.448 0.701  H31 I2K 77 
I2K H32 H35 H 0 1 N N N -1.257 5.144  17.648 7.803  -1.528 1.871  H32 I2K 78 
I2K H34 H36 H 0 1 N N N -5.279 7.001  21.469 1.767  -1.470 -1.977 H34 I2K 79 
I2K H39 H37 H 0 1 N N N -2.982 12.154 23.054 -0.657 -1.933 -3.919 H39 I2K 80 
I2K H37 H38 H 0 1 N N N -6.073 9.202  26.184 -2.658 2.737  -1.168 H37 I2K 81 
I2K H38 H39 H 0 1 N N N -6.680 6.993  26.669 -1.097 2.273  0.516  H38 I2K 82 
# 
loop_
_chem_comp_bond.comp_id 
_chem_comp_bond.atom_id_1 
_chem_comp_bond.atom_id_2 
_chem_comp_bond.value_order 
_chem_comp_bond.pdbx_aromatic_flag 
_chem_comp_bond.pdbx_stereo_config 
_chem_comp_bond.pdbx_ordinal 
I2K N1  C2  SING N N 1  
I2K N1  C3  SING N N 2  
I2K C4  C5  SING N N 3  
I2K C4  C3  SING N N 4  
I2K C4  O5  SING N N 5  
I2K C5  C6  SING N N 6  
I2K C5  O2  SING N N 7  
I2K C6  C7  SING N N 8  
I2K C6  O3  SING N N 9  
I2K C7  O4  SING N N 10 
I2K C8  C21 SING N N 11 
I2K C8  C22 SING N N 12 
I2K C8  O5  SING N N 13 
I2K C8  O6  SING N N 14 
I2K C10 C9  SING N N 15 
I2K C10 O7  SING N N 16 
I2K C10 C11 SING N N 17 
I2K C13 C20 SING N N 18 
I2K C13 O9  SING N N 19 
I2K C13 O10 SING N N 20 
I2K C15 C14 SING N N 21 
I2K C15 O11 SING N N 22 
I2K C15 C16 SING N N 23 
I2K C17 C14 SING N N 24 
I2K C17 O13 SING N N 25 
I2K C17 C18 SING N N 26 
I2K C20 C9  SING N N 27 
I2K C20 O16 SING N N 28 
I2K C21 O17 DOUB N N 29 
I2K C21 O18 SING N N 30 
I2K C22 C23 SING N N 31 
I2K C1  C2  SING N N 32 
I2K C2  O1  DOUB N N 33 
I2K C3  C23 SING N N 34 
I2K O6  C9  SING N N 35 
I2K C11 C12 SING N N 36 
I2K C11 O9  SING N N 37 
I2K C12 O8  SING N N 38 
I2K O10 C14 SING N N 39 
I2K C16 O12 SING N N 40 
I2K C18 O14 SING N N 41 
I2K C18 C19 SING N N 42 
I2K C19 O15 DOUB N N 43 
I2K C23 O19 SING N N 44 
I2K N1  H4  SING N N 45 
I2K C4  H6  SING N N 46 
I2K C5  H7  SING N N 47 
I2K C6  H9  SING N N 48 
I2K C7  H11 SING N N 49 
I2K C7  H12 SING N N 50 
I2K C10 H15 SING N N 51 
I2K C13 H21 SING N N 52 
I2K C15 H23 SING N N 53 
I2K C17 H28 SING N N 54 
I2K C20 H33 SING N N 55 
I2K C22 H35 SING N N 56 
I2K C22 H36 SING N N 57 
I2K C1  H1  SING N N 58 
I2K C1  H2  SING N N 59 
I2K C1  H3  SING N N 60 
I2K C3  H5  SING N N 61 
I2K O2  H8  SING N N 62 
I2K O3  H10 SING N N 63 
I2K O4  H13 SING N N 64 
I2K C9  H14 SING N N 65 
I2K O7  H16 SING N N 66 
I2K C11 H17 SING N N 67 
I2K C12 H18 SING N N 68 
I2K C12 H19 SING N N 69 
I2K O8  H20 SING N N 70 
I2K C14 H22 SING N N 71 
I2K O11 H24 SING N N 72 
I2K C16 H25 SING N N 73 
I2K C16 H26 SING N N 74 
I2K O12 H27 SING N N 75 
I2K O13 H29 SING N N 76 
I2K C18 H30 SING N N 77 
I2K O14 H31 SING N N 78 
I2K C19 H32 SING N N 79 
I2K O16 H34 SING N N 80 
I2K O18 H39 SING N N 81 
I2K C23 H37 SING N N 82 
I2K O19 H38 SING N N 83 
# 
loop_
_pdbx_chem_comp_descriptor.comp_id 
_pdbx_chem_comp_descriptor.type 
_pdbx_chem_comp_descriptor.program 
_pdbx_chem_comp_descriptor.program_version 
_pdbx_chem_comp_descriptor.descriptor 
I2K InChI            InChI                1.06  "InChI=1S/C23H39NO19/c1-7(29)24-13-8(30)2-23(22(38)39,42-19(13)15(35)10(32)4-26)43-20-16(36)12(6-28)40-21(17(20)37)41-18(11(33)5-27)14(34)9(31)3-25/h3,8-21,26-28,30-37H,2,4-6H2,1H3,(H,24,29)(H,38,39)/t8-,9-,10+,11+,12+,13-,14+,15+,16-,17+,18+,19-,20-,21-,23-/m0/s1" 
I2K InChIKey         InChI                1.06  OIZGSVFYNBZVIK-KYPQSLRHSA-N                                                                                                                                                                                                                                               
I2K SMILES_CANONICAL CACTVS               3.385 "CC(=O)N[C@H]1[C@@H](O)C[C@@](O[C@H]2[C@@H](O)[C@@H](CO)O[C@@H](O[C@H]([C@H](O)CO)[C@H](O)[C@@H](O)C=O)[C@@H]2O)(O[C@@H]1[C@H](O)[C@H](O)CO)C(O)=O"                                                                                                                       
I2K SMILES           CACTVS               3.385 "CC(=O)N[CH]1[CH](O)C[C](O[CH]2[CH](O)[CH](CO)O[CH](O[CH]([CH](O)CO)[CH](O)[CH](O)C=O)[CH]2O)(O[CH]1[CH](O)[CH](O)CO)C(O)=O"                                                                                                                                              
I2K SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "CC(=O)N[C@H]1[C@H](C[C@@](O[C@@H]1[C@@H]([C@@H](CO)O)O)(C(=O)O)O[C@H]2[C@H]([C@H](O[C@H]([C@@H]2O)O[C@H]([C@@H](CO)O)[C@@H]([C@H](C=O)O)O)CO)O)O"                                                                                                                        
I2K SMILES           "OpenEye OEToolkits" 2.0.7 "CC(=O)NC1C(CC(OC1C(C(CO)O)O)(C(=O)O)OC2C(C(OC(C2O)OC(C(CO)O)C(C(C=O)O)O)CO)O)O"                                                                                                                                                                                          
# 
_pdbx_chem_comp_identifier.comp_id           I2K 
_pdbx_chem_comp_identifier.type              "SYSTEMATIC NAME" 
_pdbx_chem_comp_identifier.program           "OpenEye OEToolkits" 
_pdbx_chem_comp_identifier.program_version   2.0.7 
_pdbx_chem_comp_identifier.identifier        "(2~{S},4~{S},5~{S},6~{S})-5-acetamido-2-[(2~{R},3~{S},4~{S},5~{R},6~{S})-2-(hydroxymethyl)-3,5-bis(oxidanyl)-6-[(2~{R},3~{R},4~{R},5~{R})-1,2,4,5-tetrakis(oxidanyl)-6-oxidanylidene-hexan-3-yl]oxy-oxan-4-yl]oxy-4-oxidanyl-6-[(1~{R},2~{R})-1,2,3-tris(oxidanyl)propyl]oxane-2-carboxylic acid" 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
I2K "Create component"  2022-02-08 PDBE 
I2K "Modify descriptor" 2022-08-22 RCSB 
I2K "Initial release"   2022-12-07 RCSB 
# 
