Structure based on 1rkp

Ideal structure
Name: 3-isobutyl-1-methylxanthine
Formula: C10 H14 N4 O2
Weight: 222.244
SMILES: "CC(C)CN1C(=O)N(C)C(=O)c2nc[nH]c12"
Spacial conformation based on PDB 1rkp.
Also present in other 17 PDB entries.
RESIDUE   IBM     30
CONECT      N9     3 C8   C4   HN9 
CONECT      C8     3 N9   N7   H8  
CONECT      N7     2 C8   C5  
CONECT      C5     3 N7   C4   C6  
CONECT      C4     3 N9   C5   N3  
CONECT      N3     3 C4   C2   C11 
CONECT      C2     3 N3   N1   O2  
CONECT      N1     3 C2   C6   C10 
CONECT      C6     3 C5   N1   O6  
CONECT      O6     1 C6  
CONECT      O2     1 C2  
CONECT      C10    4 N1   H101 H102 H103
CONECT      C11    4 N3   C12  H111 H112
CONECT      C12    4 C11  C13  C14  H12 
CONECT      C13    4 C12  H131 H132 H133
CONECT      C14    4 C12  H141 H142 H143
CONECT      HN9    1 N9  
CONECT      H8     1 C8  
CONECT      H101   1 C10 
CONECT      H102   1 C10 
CONECT      H103   1 C10 
CONECT      H111   1 C11 
CONECT      H112   1 C11 
CONECT      H12    1 C12 
CONECT      H131   1 C13 
CONECT      H132   1 C13 
CONECT      H133   1 C13 
CONECT      H141   1 C14 
CONECT      H142   1 C14 
CONECT      H143   1 C14 
HET    IBM             30
FORMUL      IBM    C10 H14 N4 O2

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