Structure based on 4elv

Ideal structure
Name: [[(2s,5r)-5-[4-azanyl-5-[2-(4-ethynylphenyl)ethynyl]-2-oxidanylidene-pyrimidin-1-yl]oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate
Formula: C19 H20 N3 O12 P3
Weight: 575.296
SMILES: "NC1=NC(=O)N(C=C1C#Cc2ccc(cc2)C#C)[CH]3CC[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)O3"
Spacial conformation based on PDB 4elv
RESIDUE   0R7     57
CONECT      O5'    2 P1   C5' 
CONECT      P1     4 O5'  O1   O10  O11 
CONECT      O1     2 P1   P2  
CONECT      P2     4 O1   O3   O8   O9  
CONECT      O3     2 P2   P3  
CONECT      P3     4 O3   O5   O6   O7  
CONECT      O5     2 P3   H1  
CONECT      O6     2 P3   H2  
CONECT      O7     1 P3  
CONECT      O8     2 P2   H3  
CONECT      O9     1 P2  
CONECT      O10    2 P1   H4  
CONECT      O11    1 P1  
CONECT      C1'    4 N1   O4'  C2'  H5  
CONECT      N1     3 C1'  C6   C2  
CONECT      C6     3 N1   C5   H6  
CONECT      C5     3 C6   C1   C4  
CONECT      C1     2 C5   C3  
CONECT      C3     2 C1   C01 
CONECT      N2     2 C4   C2  
CONECT      C4     3 C5   N2   N3  
CONECT      C2     3 N1   N2   O2  
CONECT      O2     1 C2  
CONECT      N3     3 C4   H7   H8  
CONECT      O4'    2 C1'  C4' 
CONECT      C4'    4 O4'  C3'  C5'  H9  
CONECT      C3'    4 C4'  C2'  H10  H11 
CONECT      C2'    4 C1'  C3'  H12  H13 
CONECT      C5'    4 O5'  C4'  H14  H15 
CONECT      C01    3 C3   C02  C   
CONECT      C02    3 C01  C03  H16 
CONECT      C03    3 C02  C04  H17 
CONECT      C04    3 C03  C05  C7  
CONECT      C05    3 C04  C    H18 
CONECT      C      3 C01  C05  H19 
CONECT      C7     2 C04  C8  
CONECT      C8     2 C7   H20 
CONECT      H1     1 O5  
CONECT      H2     1 O6  
CONECT      H3     1 O8  
CONECT      H4     1 O10 
CONECT      H5     1 C1' 
CONECT      H6     1 C6  
CONECT      H7     1 N3  
CONECT      H8     1 N3  
CONECT      H9     1 C4' 
CONECT      H10    1 C3' 
CONECT      H11    1 C3' 
CONECT      H12    1 C2' 
CONECT      H13    1 C2' 
CONECT      H14    1 C5' 
CONECT      H15    1 C5' 
CONECT      H16    1 C02 
CONECT      H17    1 C03 
CONECT      H18    1 C05 
CONECT      H19    1 C   
CONECT      H20    1 C8  
END   
HET    0R7             57
HETNAM     0R7 [[(2S,5R)-5-[4-azanyl-5-[2-(4-ethynylphenyl)ethynyl]-2-
HETNAM   2 0R7 oxidanylidene-pyrimidin-1-yl]oxolan-2-yl]methoxy-oxidan
HETNAM   3 0R7 yl-phosphoryl] phosphono hydrogen phosphate
FORMUL      0R7    C19 H20 N3 O12 P3

This OCA MONOMER page
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