Structure based on 2f16

Ideal structure
Name: n-[(1r)-1-(dihydroxyboryl)-3-methylbutyl]-n-(pyrazin-2-ylcarbonyl)-l-phenylalaninamide
Formula: C19 H25 B N4 O4
Weight: 384.237
SMILES: "CC(C)C[CH](NC(=O)[CH](Cc1ccccc1)NC(=O)c2cnccn2)B(O)O"
Spacial conformation based on PDB 2f16.
Also present in other 30 PDB entries.
RESIDUE   BO2     53
CONECT      N1     2 C2   C6  
CONECT      C2     3 N1   C3   C7  
CONECT      C3     3 C2   N4   H3  
CONECT      N4     2 C3   C5  
CONECT      C5     3 N4   C6   H5  
CONECT      C6     3 N1   C5   H6  
CONECT      C7     3 C2   O8   N9  
CONECT      O8     1 C7  
CONECT      N9     3 C7   C10  HN9 
CONECT      C10    4 N9   C11  C18  H10 
CONECT      C11    4 C10  C12  H111 H112
CONECT      C12    3 C11  C13  C17 
CONECT      C13    3 C12  C14  H13 
CONECT      C14    3 C13  C15  H14 
CONECT      C15    3 C14  C16  H15 
CONECT      C16    3 C15  C17  H16 
CONECT      C17    3 C12  C16  H17 
CONECT      C18    3 C10  O19  N20 
CONECT      O19    1 C18 
CONECT      N20    3 C18  C21  H20 
CONECT      C21    4 N20  C22  B26  H21 
CONECT      C22    4 C21  C23  H221 H222
CONECT      C23    4 C22  C24  C25  H23 
CONECT      C24    4 C23  H241 H242 H243
CONECT      C25    4 C23  H251 H252 H253
CONECT      B26    3 C21  O27  O28 
CONECT      O27    2 B26  H27 
CONECT      O28    2 B26  H28 
CONECT      H3     1 C3  
CONECT      H5     1 C5  
CONECT      H6     1 C6  
CONECT      HN9    1 N9  
CONECT      H10    1 C10 
CONECT      H111   1 C11 
CONECT      H112   1 C11 
CONECT      H13    1 C13 
CONECT      H14    1 C14 
CONECT      H15    1 C15 
CONECT      H16    1 C16 
CONECT      H17    1 C17 
CONECT      H20    1 N20 
CONECT      H21    1 C21 
CONECT      H221   1 C22 
CONECT      H222   1 C22 
CONECT      H23    1 C23 
CONECT      H241   1 C24 
CONECT      H242   1 C24 
CONECT      H243   1 C24 
CONECT      H251   1 C25 
CONECT      H252   1 C25 
CONECT      H253   1 C25 
CONECT      H27    1 O27 
CONECT      H28    1 O28 
END   
HET    BO2             53
HETSYN     BO2 BORTEZOMIB
HETNAM     BO2 N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-
HETNAM   2 BO2 YLCARBONYL)-L-PHENYLALANINAMIDE
FORMUL      BO2    C19 H25 B1 N4 O4

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Bioinformatics Unit
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