Structure based on 4ioc

Ideal structure
Name: (3as,4r,7r,8s,9s,10r,11r,13r,15s,15ar)-4-ethyl-11-methoxy-3a,7,9,11,13,15-hexamethyl-2,6,14-trioxo-10-{[3,4,6-trideoxy-3-(dimethylamino)-beta-d-xylo-hexopyranosyl]oxy}tetradecahydro-2h-oxacyclotetradecino[4,3-d][1,3]oxazol-8-yl (2r)-4,4-dimethyl-2-(pyridin-3-yl)pyrrolidine-1-carboxylate
Formula: C43 H68 N4 O11
Weight: 817.020
SMILES: "CC[CH]1OC(=O)[CH](C)[CH](OC(=O)N2CC(C)(C)C[CH]2c3cccnc3)[CH](C)[CH](O[CH]4O[CH](C)C[CH]([CH]4O)N(C)C)[C](C)(C[CH](C)C(=O)[CH](C)[CH]5NC(=O)O[C]15C)OC"
Spacial conformation based on PDB 4ioc
RESIDUE   1F4    126
CONECT      C1     4 C3   C4   C16  H1  
CONECT      C2     4 C3   C7   C19  H2  
CONECT      C3     3 C1   C2   O15 
CONECT      C4     4 C1   C5   N40  H3  
CONECT      C5     4 C4   C6   O17  C24 
CONECT      C6     4 C5   O10  C23  H4  
CONECT      C7     4 C2   C9   H5   H6  
CONECT      C8     4 C9   C14  O20  H7  
CONECT      C9     4 C7   C8   O18  C22 
CONECT      O10    2 C6   C11 
CONECT      C11    3 O10  C12  O26 
CONECT      C12    4 C11  C13  C27  H8  
CONECT      C13    4 C12  C14  O43  H9  
CONECT      C14    4 C8   C13  C21  H10 
CONECT      O15    1 C3  
CONECT      C16    4 C1   H11  H12  H13 
CONECT      O17    2 C5   C41 
CONECT      O18    2 C9   C39 
CONECT      C19    4 C2   H14  H15  H16 
CONECT      O20    2 C8   C28 
CONECT      C21    4 C14  H17  H18  H19 
CONECT      C22    4 C9   H20  H21  H22 
CONECT      C23    4 C6   C25  H23  H24 
CONECT      C24    4 C5   H25  H26  H27 
CONECT      C25    4 C23  H28  H29  H30 
CONECT      O26    1 C11 
CONECT      C27    4 C12  H31  H32  H33 
CONECT      C28    4 O20  O29  C33  H34 
CONECT      O29    2 C28  C30 
CONECT      C30    4 O29  C31  C38  H35 
CONECT      C31    4 C30  C32  H36  H37 
CONECT      C32    4 C31  C33  N34  H38 
CONECT      C33    4 C28  C32  O37  H39 
CONECT      N34    3 C32  C35  C36 
CONECT      C35    4 N34  H41  H42  H43 
CONECT      C36    4 N34  H44  H45  H46 
CONECT      O37    2 C33  H47 
CONECT      C38    4 C30  H48  H49  H50 
CONECT      C39    4 O18  H51  H52  H53 
CONECT      N40    3 C4   C41  H54 
CONECT      C41    3 O17  N40  O42 
CONECT      O42    1 C41 
CONECT      O43    2 C13  C44 
CONECT      C44    3 O43  N45  O46 
CONECT      N45    3 C44  C47  C50 
CONECT      O46    1 C44 
CONECT      C47    4 N45  C48  C51  H55 
CONECT      C48    4 C47  C49  H56  H57 
CONECT      C49    4 C48  C50  C57  C58 
CONECT      C50    4 N45  C49  H58  H59 
CONECT      C51    3 C47  C52  C56 
CONECT      C52    3 C51  C53  H60 
CONECT      C53    3 C52  C54  H61 
CONECT      C54    3 C53  N55  H62 
CONECT      N55    2 C54  C56 
CONECT      C56    3 C51  N55  H63 
CONECT      C57    4 C49  H64  H65  H66 
CONECT      C58    4 C49  H67  H68  H69 
CONECT      H1     1 C1  
CONECT      H2     1 C2  
CONECT      H3     1 C4  
CONECT      H4     1 C6  
CONECT      H5     1 C7  
CONECT      H6     1 C7  
CONECT      H7     1 C8  
CONECT      H8     1 C12 
CONECT      H9     1 C13 
CONECT      H10    1 C14 
CONECT      H11    1 C16 
CONECT      H12    1 C16 
CONECT      H13    1 C16 
CONECT      H14    1 C19 
CONECT      H15    1 C19 
CONECT      H16    1 C19 
CONECT      H17    1 C21 
CONECT      H18    1 C21 
CONECT      H19    1 C21 
CONECT      H20    1 C22 
CONECT      H21    1 C22 
CONECT      H22    1 C22 
CONECT      H23    1 C23 
CONECT      H24    1 C23 
CONECT      H25    1 C24 
CONECT      H26    1 C24 
CONECT      H27    1 C24 
CONECT      H28    1 C25 
CONECT      H29    1 C25 
CONECT      H30    1 C25 
CONECT      H31    1 C27 
CONECT      H32    1 C27 
CONECT      H33    1 C27 
CONECT      H34    1 C28 
CONECT      H35    1 C30 
CONECT      H36    1 C31 
CONECT      H37    1 C31 
CONECT      H38    1 C32 
CONECT      H39    1 C33 
CONECT      H41    1 C35 
CONECT      H42    1 C35 
CONECT      H43    1 C35 
CONECT      H44    1 C36 
CONECT      H45    1 C36 
CONECT      H46    1 C36 
CONECT      H47    1 O37 
CONECT      H48    1 C38 
CONECT      H49    1 C38 
CONECT      H50    1 C38 
CONECT      H51    1 C39 
CONECT      H52    1 C39 
CONECT      H53    1 C39 
CONECT      H54    1 N40 
CONECT      H55    1 C47 
CONECT      H56    1 C48 
CONECT      H57    1 C48 
CONECT      H58    1 C50 
CONECT      H59    1 C50 
CONECT      H60    1 C52 
CONECT      H61    1 C53 
CONECT      H62    1 C54 
CONECT      H63    1 C56 
CONECT      H64    1 C57 
CONECT      H65    1 C57 
CONECT      H66    1 C57 
CONECT      H67    1 C58 
CONECT      H68    1 C58 
CONECT      H69    1 C58 
END   
HET    1F4            126
HETNAM     1F4 (3aS,4R,7R,8S,9S,10R,11R,13R,15S,15aR)-4-ethyl-11-metho
HETNAM   2 1F4 xy-3a,7,9,11,13,15-hexamethyl-2,6,14-trioxo-10-{[3,4,6-
HETNAM   3 1F4 trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranosyl]ox
HETNAM   4 1F4 y}tetradecahydro-2H-oxacyclotetradecino[4,3-d][1,3]oxaz
HETNAM   5 1F4 ol-8-yl (2R)-4,4-dimethyl-2-(pyridin-3-yl)pyrrolidine-1
HETNAM   6 1F4 -carboxylate
FORMUL      1F4    C43 H68 N4 O11

This OCA MONOMER page
uses Jmol, developed by the Jmol Development Team (color reference)
OCA© by Jaime Prilusky, 1996-2004,2006,2010,2014
Bioinformatics Unit
Weizmann Institute of Science