Structure based on 4nop

Ideal structure
Name: 1-{2-deoxy-3,5-o-[phenyl(phosphono)methylidene]-beta-d-threo-pentofuranosyl}-5-[(e)-2-phosphonoethenyl]pyrimidine-2,4(1h,3h)-dione
Formula: C18 H20 N2 O11 P2
Weight: 502.306
SMILES: "O[P](O)(=O)C=CC1=CN([CH]2C[CH]3O[C](OC[CH]3O2)(c4ccccc4)[P](O)(O)=O)C(=O)NC1=O"
Spacial conformation based on PDB 4nop.
Also present on 4yih, 4yik, 6g22
RESIDUE   2O2     53
CONECT      CAV    3 CAW  CAU  H1  
CONECT      CAW    3 CAV  CAX  H2  
CONECT      CAX    3 CAW  CAY  H3  
CONECT      CAY    3 CAX  CAZ  H4  
CONECT      CAZ    3 CAY  CAU  H5  
CONECT      CAU    3 CAV  CAZ  CAB 
CONECT      CAB    4 CAU  PAA  OAH  OAD 
CONECT      PAA    4 CAB  OBB  OBC  OBA 
CONECT      OBB    2 PAA  H6  
CONECT      OBC    2 PAA  H7  
CONECT      OBA    1 PAA 
CONECT      OAH    2 CAB  CAG 
CONECT      OAD    2 CAB  CAC 
CONECT      CAC    4 OAD  CAE  H8   H9  
CONECT      CAE    4 CAC  OAF  CAG  H10 
CONECT      OAF    2 CAE  CAJ 
CONECT      CAG    4 OAH  CAE  CAI  H11 
CONECT      CAI    4 CAG  CAJ  H12  H13 
CONECT      CAJ    4 OAF  CAI  N1   H14 
CONECT      N1     3 CAJ  C6   C2  
CONECT      C6     3 N1   C5   H15 
CONECT      C2     3 N1   O2   N3  
CONECT      O2     1 C2  
CONECT      N3     3 C2   C4   H16 
CONECT      C4     3 N3   O4   C5  
CONECT      O4     1 C4  
CONECT      C5     3 C6   C4   CAR 
CONECT      CAR    3 C5   CAS  H17 
CONECT      CAS    3 CAR  PBD  H18 
CONECT      PBD    4 CAS  OBF  OBG  OBE 
CONECT      OBF    2 PBD  H19 
CONECT      OBG    1 PBD 
CONECT      OBE    2 PBD  H20 
CONECT      H1     1 CAV 
CONECT      H2     1 CAW 
CONECT      H3     1 CAX 
CONECT      H4     1 CAY 
CONECT      H5     1 CAZ 
CONECT      H6     1 OBB 
CONECT      H7     1 OBC 
CONECT      H8     1 CAC 
CONECT      H9     1 CAC 
CONECT      H10    1 CAE 
CONECT      H11    1 CAG 
CONECT      H12    1 CAI 
CONECT      H13    1 CAI 
CONECT      H14    1 CAJ 
CONECT      H15    1 C6  
CONECT      H16    1 N3  
CONECT      H17    1 CAR 
CONECT      H18    1 CAS 
CONECT      H19    1 OBF 
CONECT      H20    1 OBE 
END   
HET    2O2             53
HETNAM     2O2 1-{2-deoxy-3,5-O-[phenyl(phosphono)methylidene]-beta-D-
HETNAM   2 2O2 threo-pentofuranosyl}-5-[(E)-2-phosphonoethenyl]pyrimid
HETNAM   3 2O2 ine-2,4(1H,3H)-dione
FORMUL      2O2    C18 H20 N2 O11 P2

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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