Structure based on 1e3g

Ideal structure
Name: (17beta)-17-hydroxy-17-methylestra-4,9,11-trien-3-one
Formula: C19 H24 O2
Weight: 284.393
SMILES: "C[C]1(O)CC[CH]2[CH]3CCC4=CC(=O)CCC4=C3C=C[C]12C"
Spacial conformation based on PDB 1e3g.
Also present on 1e3k, 1xow, 1xq3, 2ao6
RESIDUE   R18     45
CONECT      C1     4 C2   C10  H12A H11A
CONECT      C2     4 C1   C3   H22  H21 
CONECT      C3     3 C2   C4   O83 
CONECT      C4     3 C3   C5   H4  
CONECT      C5     3 C4   C6   C10 
CONECT      C6     4 C5   C7   H62  H61 
CONECT      C7     4 C6   C8   H72  H71 
CONECT      C8     4 C7   C9   C14  H8  
CONECT      C9     3 C8   C10  C11 
CONECT      C10    3 C1   C5   C9  
CONECT      C11    3 C9   C12  H11 
CONECT      C12    3 C11  C13  H12 
CONECT      C13    4 C12  C14  C17  C18 
CONECT      C14    4 C8   C13  C15  H14 
CONECT      C15    4 C14  C16  H152 H151
CONECT      C16    4 C15  C17  H162 H161
CONECT      C17    4 C13  C16  C27  O97 
CONECT      C18    4 C13  H183 H182 H181
CONECT      C27    4 C17  H273 H272 H271
CONECT      O83    1 C3  
CONECT      O97    2 C17  H97 
CONECT      H12A   1 C1  
CONECT      H11A   1 C1  
CONECT      H22    1 C2  
CONECT      H21    1 C2  
CONECT      H4     1 C4  
CONECT      H62    1 C6  
CONECT      H61    1 C6  
CONECT      H72    1 C7  
CONECT      H71    1 C7  
CONECT      H8     1 C8  
CONECT      H11    1 C11 
CONECT      H12    1 C12 
CONECT      H14    1 C14 
CONECT      H152   1 C15 
CONECT      H151   1 C15 
CONECT      H162   1 C16 
CONECT      H161   1 C16 
CONECT      H183   1 C18 
CONECT      H182   1 C18 
CONECT      H181   1 C18 
CONECT      H273   1 C27 
CONECT      H272   1 C27 
CONECT      H271   1 C27 
CONECT      H97    1 O97 
END   
HET    R18             45
HETSYN     R18 METHYLTRIENOLONE; 17BETA-HYDROXY-17METHYL-19NORANDROSTA
HETSYN   2 R18 -4,9,11-TRIEN-3-ONE; R1881
HETNAM     R18 (17BETA)-17-HYDROXY-17-METHYLESTRA-4,9,11-TRIEN-3-ONE
FORMUL      R18    C19 H24 O2

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