Structure based on 1gp5

Ideal structure
Name: (2s,3s)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-2,3-dihydro-4h-chromen-4-one
Formula: C15 H12 O7
Weight: 304.252
SMILES: "O[CH]1[CH](Oc2cc(O)cc(O)c2C1=O)c3ccc(O)c(O)c3"
Spacial conformation based on PDB 1gp5.
Also present on 1gp6
RESIDUE   DH2     34
CONECT      C1     3 C2   C6   H1  
CONECT      C2     3 C1   C3   O30 
CONECT      C3     3 C2   C4   C9  
CONECT      C4     3 C3   C5   O12 
CONECT      C5     3 C4   C6   HB  
CONECT      C6     3 C1   C5   O29 
CONECT      C9     3 C3   C10  O13 
CONECT      C10    4 C9   C11  O27  HD  
CONECT      C11    4 C10  C14  O12  H11 
CONECT      C14    3 C11  C15  C19 
CONECT      C15    3 C14  C16  H15 
CONECT      C16    3 C15  C17  H16 
CONECT      C17    3 C16  C18  O24 
CONECT      C18    3 C17  C19  O23 
CONECT      C19    3 C14  C18  H19 
CONECT      O12    2 C4   C11 
CONECT      O13    1 C9  
CONECT      O23    2 C18  H23 
CONECT      O24    2 C17  H24 
CONECT      O27    2 C10  H27 
CONECT      O29    2 C6   HC  
CONECT      O30    2 C2   HA  
CONECT      H1     1 C1  
CONECT      HB     1 C5  
CONECT      HD     1 C10 
CONECT      H11    1 C11 
CONECT      H15    1 C15 
CONECT      H16    1 C16 
CONECT      H19    1 C19 
CONECT      H23    1 O23 
CONECT      H24    1 O24 
CONECT      H27    1 O27 
CONECT      HC     1 O29 
CONECT      HA     1 O30 
END   
HET    DH2             34
HETSYN     DH2 (2S,3S)-TRANS-DIHYDROQUERCETIN
HETNAM     DH2 (2S,3S)-2-(3,4-DIHYDROXYPHENYL)-3,5,7-TRIHYDROXY-2,3-DI
HETNAM   2 DH2 HYDRO-4H-CHROMEN-4-ONE
FORMUL      DH2    C15 H12 O7

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