Structure based on 1gpn

Ideal structure
Name: huperzine b
Formula: C16 H20 N2 O
Weight: 256.343
SMILES: "CC1=C[CH]2CC3=C(C=CC(=O)N3)[C]4(C1)NCCC[CH]24"
Spacial conformation based on PDB 1gpn
RESIDUE   HUB     39
CONECT      C1     3 O1   N1   C2  
CONECT      O1     1 C1  
CONECT      N1     3 C1   C5   H1  
CONECT      C2     3 C1   C3   H2  
CONECT      C3     3 C2   C4   H3  
CONECT      C4     3 C3   C5   C12 
CONECT      C5     3 N1   C4   C6  
CONECT      C6     4 C5   C7   H6C1 H6C2
CONECT      C7     4 C6   C8   C11  H7  
CONECT      C8     3 C7   C14  H8  
CONECT      C9     4 C10  C90  H9C1 H9C2
CONECT      C10    4 C9   C11  H101 H102
CONECT      C11    4 C7   C10  C12  H11 
CONECT      C12    4 C4   C11  N2   C13 
CONECT      N2     3 C12  C90  HA  
CONECT      C13    4 C12  C14  H131 H132
CONECT      C14    3 C8   C13  C15 
CONECT      C15    4 C14  H151 H152 H153
CONECT      C90    4 C9   N2   H901 H902
CONECT      H1     1 N1  
CONECT      H2     1 C2  
CONECT      H3     1 C3  
CONECT      H6C1   1 C6  
CONECT      H6C2   1 C6  
CONECT      H7     1 C7  
CONECT      H8     1 C8  
CONECT      H9C1   1 C9  
CONECT      H9C2   1 C9  
CONECT      H101   1 C10 
CONECT      H102   1 C10 
CONECT      H11    1 C11 
CONECT      HA     1 N2  
CONECT      H131   1 C13 
CONECT      H132   1 C13 
CONECT      H151   1 C15 
CONECT      H152   1 C15 
CONECT      H153   1 C15 
CONECT      H901   1 C90 
CONECT      H902   1 C90 
HET    HUB             39
FORMUL      HUB    C16 H20 N2 O1

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