Structure based on 1tsn

Ideal structure
Name: 5-methyl-5,6,7,8-tetrahydrofolic acid
Formula: C20 H25 N7 O6
Weight: 459.456
SMILES: "CN1[CH](CNc2ccc(cc2)C(=O)N[CH](CCC(O)=O)C(O)=O)CNC3=C1C(=O)NC(=N3)N"
Spacial conformation based on PDB 1tsn.
Also present in other 25 PDB entries.
RESIDUE   C2F     58
CONECT      N1     2 C2   C8A 
CONECT      C2     3 N1   NA2  N3  
CONECT      NA2    3 C2   HN21 HN22
CONECT      N3     3 C2   C4   HN3 
CONECT      C4     3 N3   O4   C4A 
CONECT      O4     1 C4  
CONECT      C4A    3 C4   N5   C8A 
CONECT      N5     3 C4A  C6   C11 
CONECT      C6     4 N5   C7   C9   H6  
CONECT      C7     4 C6   N8   H71  H72 
CONECT      N8     3 C7   C8A  HN8 
CONECT      C8A    3 N1   C4A  N8  
CONECT      C9     4 C6   N10  H91  H92 
CONECT      N10    3 C9   C15  HN1 
CONECT      C11    4 N5   H111 H112 H113
CONECT      C12    3 C13  C17  C   
CONECT      C13    3 C12  C14  H13 
CONECT      C14    3 C13  C15  H14 
CONECT      C15    3 N10  C14  C16 
CONECT      C16    3 C15  C17  H16 
CONECT      C17    3 C12  C16  H17 
CONECT      C      3 C12  O    N   
CONECT      O      1 C   
CONECT      N      3 C    CA   HN  
CONECT      CA     4 N    CB   CT   HA  
CONECT      CB     4 CA   CG   HB1  HB2 
CONECT      CG     4 CB   CD   HG1  HG2 
CONECT      CD     3 CG   OE1  OE2 
CONECT      OE1    1 CD  
CONECT      OE2    2 CD   HOE2
CONECT      CT     3 CA   O1   O2  
CONECT      O1     1 CT  
CONECT      O2     2 CT   HO2 
CONECT      HN21   1 NA2 
CONECT      HN22   1 NA2 
CONECT      HN3    1 N3  
CONECT      H6     1 C6  
CONECT      H71    1 C7  
CONECT      H72    1 C7  
CONECT      HN8    1 N8  
CONECT      H91    1 C9  
CONECT      H92    1 C9  
CONECT      HN1    1 N10 
CONECT      H111   1 C11 
CONECT      H112   1 C11 
CONECT      H113   1 C11 
CONECT      H13    1 C13 
CONECT      H14    1 C14 
CONECT      H16    1 C16 
CONECT      H17    1 C17 
CONECT      HN     1 N   
CONECT      HA     1 CA  
CONECT      HB1    1 CB  
CONECT      HB2    1 CB  
CONECT      HG1    1 CG  
CONECT      HG2    1 CG  
CONECT      HOE2   1 OE2 
CONECT      HO2    1 O2  
END   
HET    C2F             58
HETNAM     C2F 5-METHYL-5,6,7,8-TETRAHYDROFOLIC ACID
FORMUL      C2F    C20 H25 N7 O6

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Bioinformatics Unit
Weizmann Institute of Science