Structure based on 1sqn

Ideal structure
Name: (14beta,17alpha)-17-ethynyl-17-hydroxyestr-4-en-3-one
Formula: C20 H26 O2
Weight: 298.419
SMILES: "C[C]12CC[CH]3[CH](CCC4=CC(=O)CC[CH]34)[CH]1CC[C]2(O)C#C"
Spacial conformation based on PDB 1sqn.
Also present on 2w8y
RESIDUE   NDR     48
CONECT      O22    1 C21 
CONECT      C21    3 O22  C20  C19 
CONECT      C20    4 C21  C18  H201 H202
CONECT      C19    3 C21  C17  H19 
CONECT      C17    3 C19  C15  C14 
CONECT      C15    4 C17  C9   H151 H152
CONECT      C14    4 C17  C18  C8   H23 
CONECT      C18    4 C20  C14  H181 H182
CONECT      C8     4 C14  C3   C13  H24 
CONECT      C3     4 C8   C9   C1   H25 
CONECT      C9     4 C15  C3   H91  H92 
CONECT      C13    4 C8   C6   H131 H132
CONECT      C6     4 C13  C2   H61  H62 
CONECT      C2     4 C6   C1   C7   C5  
CONECT      C1     4 C3   C2   C4   H26 
CONECT      C7     4 C2   H71  H72  H73 
CONECT      C5     4 C2   O12  C10  C11 
CONECT      O12    2 C5   H12 
CONECT      C10    4 C5   C4   H101 H102
CONECT      C4     4 C1   C10  H41  H42 
CONECT      C11    2 C5   C16 
CONECT      C16    2 C11  H16 
CONECT      H201   1 C20 
CONECT      H202   1 C20 
CONECT      H19    1 C19 
CONECT      H151   1 C15 
CONECT      H152   1 C15 
CONECT      H181   1 C18 
CONECT      H182   1 C18 
CONECT      H91    1 C9  
CONECT      H92    1 C9  
CONECT      H131   1 C13 
CONECT      H132   1 C13 
CONECT      H61    1 C6  
CONECT      H62    1 C6  
CONECT      H71    1 C7  
CONECT      H72    1 C7  
CONECT      H73    1 C7  
CONECT      H12    1 O12 
CONECT      H101   1 C10 
CONECT      H102   1 C10 
CONECT      H41    1 C4  
CONECT      H42    1 C4  
CONECT      H16    1 C16 
CONECT      H23    1 C14 
CONECT      H24    1 C8  
CONECT      H25    1 C3  
CONECT      H26    1 C1  
END   
HET    NDR             48
HETNAM     NDR (14beta,17alpha)-17-ethynyl-17-hydroxyestr-4-en-3-one
FORMUL      NDR    C20 H26 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