Structure based on 5p9m

Ideal structure
Name: 6-azanyl-9-[(3~{r})-1-[(~{e})-but-2-enoyl]pyrrolidin-3-yl]-7-(4-phenoxyphenyl)purin-8-one
Formula: C25 H24 N6 O3
Weight: 456.496
SMILES: "CC=CC(=O)N1CC[CH](C1)N2C(=O)N(c3ccc(Oc4ccccc4)cc3)c5c(N)ncnc25"
Spacial conformation based on PDB 5p9m.
Also present on 8ff0
RESIDUE   7GB     58
CONECT      C2     3 N1   N3   H1  
CONECT      C8     3 N7   N9   O10 
CONECT      C11    4 C12  C15  N7   H2  
CONECT      C12    4 C11  C13  H3   H4  
CONECT      C13    4 C12  N14  H5   H6  
CONECT      C15    4 C11  N14  H7   H8  
CONECT      C16    3 O17  N14  C18 
CONECT      O17    1 C16 
CONECT      C19    3 C20  C18  H9  
CONECT      C20    4 C19  H10  H11  H12 
CONECT      C22    3 C27  N9   C23 
CONECT      C24    3 C23  C25  H13 
CONECT      C27    3 C22  C26  H14 
CONECT      O28    2 C25  C29 
CONECT      C30    3 C31  C29  H15 
CONECT      C31    3 C30  C32  H16 
CONECT      C32    3 C31  C33  H17 
CONECT      C33    3 C32  C34  H18 
CONECT      C34    3 C33  C29  H19 
CONECT      N1     2 C2   C6  
CONECT      N3     2 C2   C4  
CONECT      C4     3 N3   C5   N7  
CONECT      C5     3 C4   C6   N9  
CONECT      C6     3 N1   C5   N21 
CONECT      N7     3 C8   C11  C4  
CONECT      N9     3 C8   C22  C5  
CONECT      O10    1 C8  
CONECT      N14    3 C13  C15  C16 
CONECT      C18    3 C16  C19  H20 
CONECT      N21    3 C6   H21  H22 
CONECT      C23    3 C22  C24  H23 
CONECT      C25    3 C24  O28  C26 
CONECT      C26    3 C27  C25  H24 
CONECT      C29    3 O28  C30  C34 
CONECT      H1     1 C2  
CONECT      H2     1 C11 
CONECT      H3     1 C12 
CONECT      H4     1 C12 
CONECT      H5     1 C13 
CONECT      H6     1 C13 
CONECT      H7     1 C15 
CONECT      H8     1 C15 
CONECT      H9     1 C19 
CONECT      H10    1 C20 
CONECT      H11    1 C20 
CONECT      H12    1 C20 
CONECT      H13    1 C24 
CONECT      H14    1 C27 
CONECT      H15    1 C30 
CONECT      H16    1 C31 
CONECT      H17    1 C32 
CONECT      H18    1 C33 
CONECT      H19    1 C34 
CONECT      H20    1 C18 
CONECT      H21    1 N21 
CONECT      H22    1 N21 
CONECT      H23    1 C23 
CONECT      H24    1 C26 
END   
HET    7GB             58
HETNAM     7GB 6-azanyl-9-[(3~{R})-1-[(~{E})-but-2-enoyl]pyrrolidin-3-
HETNAM   2 7GB yl]-7-(4-phenoxyphenyl)purin-8-one
FORMUL      7GB    C25 H24 N6 O3

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