Structure based on 1nab

Ideal structure
Name: 7-[5-(4-amino-5-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-4-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy]-6,9,11-trihydroxy-9-(2-hydroxy-acetyl)-7,8,9,10-tetrahydro-naphthacene-5,12-dione
Formula: C32 H37 N O13
Weight: 643.635
SMILES: "C[CH]1O[CH](C[CH](N)[CH]1O)O[CH]2[CH](C)O[CH](C[CH]2O)O[CH]3C[C](O)(Cc4c(O)c5C(=O)c6ccccc6C(=O)c5c(O)c34)C(=O)CO"
Spacial conformation based on PDB 1nab
RESIDUE   44D     83
CONECT      C1     3 C2   C15  HC1 
CONECT      C2     3 C1   C3   HC2 
CONECT      C3     3 C2   C4   HC3 
CONECT      C4     3 C3   C16  HC4 
CONECT      C5     3 C16  C17  O5  
CONECT      C6     3 C17  C20  O6  
CONECT      C7     4 C8   C20  O7   HC7 
CONECT      C8     4 C7   C9   HC81 HC82
CONECT      C9     4 C8   C10  C13  O9  
CONECT      C10    4 C9   C19  H101 H102
CONECT      C11    3 C18  C19  O11 
CONECT      C12    3 C15  C18  O12 
CONECT      C13    3 C9   C14  O13 
CONECT      C14    4 C13  O14  H141 H142
CONECT      C15    3 C1   C12  C16 
CONECT      C16    3 C4   C5   C15 
CONECT      C17    3 C5   C6   C18 
CONECT      C18    3 C11  C12  C17 
CONECT      C19    3 C10  C11  C20 
CONECT      C20    3 C6   C7   C19 
CONECT      O5     1 C5  
CONECT      O6     2 C6   HO6 
CONECT      O7     2 C7   C1B 
CONECT      O9     2 C9   HO9 
CONECT      O11    2 C11  H11 
CONECT      O12    1 C12 
CONECT      O13    1 C13 
CONECT      O14    2 C14  H14 
CONECT      C1B    4 O7   C2B  O5B  H1B 
CONECT      C2B    4 C1B  C3B  H2'1 H2'2
CONECT      C3B    4 C2B  C4B  O3'  H3B 
CONECT      C4B    4 C3B  C5B  O4B  H4B 
CONECT      C5B    4 C4B  C6B  O5B  H5B 
CONECT      C6B    4 C5B  H6'1 H6'2 H6'3
CONECT      O3'    2 C3B  H3'O
CONECT      O4B    2 C4B  C1' 
CONECT      O5B    2 C1B  C5B 
CONECT      C1'    4 O4B  C2'  O5'  H1' 
CONECT      C2'    4 C1'  C3'  H2B  H2D 
CONECT      C3'    4 C2'  C4'  N3'  H3' 
CONECT      C4'    4 C3'  C5'  O4'  H4' 
CONECT      C5'    4 C4'  C6'  O5'  H5' 
CONECT      C6'    4 C5'  H6B  H6D  H6E 
CONECT      O4'    2 C4'  H4'O
CONECT      O5'    2 C1'  C5' 
CONECT      N3'    3 C3'  H3'1 H3'2
CONECT      HC1    1 C1  
CONECT      HC2    1 C2  
CONECT      HC3    1 C3  
CONECT      HC4    1 C4  
CONECT      HC7    1 C7  
CONECT      HC81   1 C8  
CONECT      HC82   1 C8  
CONECT      H101   1 C10 
CONECT      H102   1 C10 
CONECT      H141   1 C14 
CONECT      H142   1 C14 
CONECT      HO6    1 O6  
CONECT      HO9    1 O9  
CONECT      H11    1 O11 
CONECT      H14    1 O14 
CONECT      H1B    1 C1B 
CONECT      H2'1   1 C2B 
CONECT      H2'2   1 C2B 
CONECT      H3B    1 C3B 
CONECT      H4B    1 C4B 
CONECT      H5B    1 C5B 
CONECT      H6'1   1 C6B 
CONECT      H6'2   1 C6B 
CONECT      H6'3   1 C6B 
CONECT      H3'O   1 O3' 
CONECT      H1'    1 C1' 
CONECT      H2B    1 C2' 
CONECT      H2D    1 C2' 
CONECT      H3'    1 C3' 
CONECT      H4'    1 C4' 
CONECT      H5'    1 C5' 
CONECT      H6B    1 C6' 
CONECT      H6D    1 C6' 
CONECT      H6E    1 C6' 
CONECT      H4'O   1 O4' 
CONECT      H3'1   1 N3' 
CONECT      H3'2   1 N3' 
END   
HET    44D             83
HETSYN     44D 4'-(O-ALPHA-L-DAUNOSAMINYL)-4-DEMETHOXYDOXORUBICIN
HETNAM     44D 7-[5-(4-AMINO-5-HYDROXY-6-METHYL-TETRAHYDRO-PYRAN-2-YLO
HETNAM   2 44D XY)-4-HYDROXY-6-METHYL-TETRAHYDRO-PYRAN-2-YLOXY]-6,9,11
HETNAM   3 44D -TRIHYDROXY-9-(2-HYDROXY-ACETYL)-7,8,9,10-TETRAHYDRO-NA
HETNAM   4 44D PHTHACENE-5,12-DIONE
FORMUL      44D    C32 H37 N1 O13

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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