Hetgroup: BAK

Structure based on 1c2i

Ideal structure

Name: bis(5-amidino-2-benzimidazolyl)methane ketone

Formula: C17 H16 N8 O

Weight: 348.362

SMILES: "NC(=[NH2+])c1ccc2nc([nH]c2c1)C(=O)c3[nH]c4cc(ccc4n3)C(N)=[NH2+]"

Spacial conformation based on PDB 1c2i.
Also present on 1c2d, 1c2e, 1c2h, 1c2j

RESIDUE   BAK     42
CONECT      C1     3 C2   C6   C7  
CONECT      C2     3 C1   C3   H2  
CONECT      C3     3 C2   C4   H3  
CONECT      C4     3 C3   C5   N3  
CONECT      C5     3 C4   C6   N4  
CONECT      C6     3 C1   C5   H6  
CONECT      C7     3 C1   N1   N2  
CONECT      C8     3 C9   N3   N4  
CONECT      C9     3 C8   C8'  O9  
CONECT      N1     3 C7   HH11 HH12
CONECT      N2     3 C7   HH21 HH22
CONECT      N3     2 C4   C8  
CONECT      N4     3 C5   C8   HN4 
CONECT      C1'    3 C2'  C6'  C7' 
CONECT      C2'    3 C1'  C3'  H2' 
CONECT      C3'    3 C2'  C4'  H3' 
CONECT      C4'    3 C3'  C5'  N3' 
CONECT      C5'    3 C4'  C6'  N4' 
CONECT      C6'    3 C1'  C5'  H6' 
CONECT      C7'    3 C1'  N1'  N2' 
CONECT      C8'    3 C9   N3'  N4' 
CONECT      N1'    3 C7'  H1'1 H1'2
CONECT      N2'    3 C7'  H2'1 H2'2
CONECT      N3'    2 C4'  C8' 
CONECT      N4'    3 C5'  C8'  HN4'
CONECT      O9     1 C9  
CONECT      H2     1 C2  
CONECT      H3     1 C3  
CONECT      H6     1 C6  
CONECT      HH11   1 N1  
CONECT      HH12   1 N1  
CONECT      HH21   1 N2  
CONECT      HH22   1 N2  
CONECT      HN4    1 N4  
CONECT      H2'    1 C2' 
CONECT      H3'    1 C3' 
CONECT      H6'    1 C6' 
CONECT      H1'1   1 N1' 
CONECT      H1'2   1 N1' 
CONECT      H2'1   1 N2' 
CONECT      H2'2   1 N2' 
CONECT      HN4'   1 N4' 
END   
HET    BAK             42
HETNAM     BAK BIS(5-AMIDINO-2-BENZIMIDAZOLYL)METHANE KETONE
FORMUL      BAK    C17 H16 N8 O1 2+

This OCA

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uses Jmol, developed by the Jmol Development Team (color reference)