RESIDUE   L3U     56
CONECT      N      3 CA   H1   H2  
CONECT      CA     4 N    C    CB   H4  
CONECT      C      3 CA   O    N3S 
CONECT      O      1 C   
CONECT      CB     4 CA   CG   H5   H6  
CONECT      CG     4 CB   CD1  CD2  H7  
CONECT      CD1    4 CG   H8   H9   H10 
CONECT      CD2    4 CG   H11  H12  H13 
CONECT      C1'    4 C2'  N1   O4'  H14 
CONECT      C2     3 N1   N3   O2  
CONECT      C2'    4 C1'  C3'  O2'  H15 
CONECT      C3'    4 C2'  C4'  O3'  H16 
CONECT      C3U    4 N3   H17  H18  H19 
CONECT      C4     3 C5   N3   O4  
CONECT      C4'    4 C3'  C5'  O4'  H20 
CONECT      C5     3 C4   C6   H21 
CONECT      C5'    4 C4'  O5'  H22  H23 
CONECT      C6     3 C5   N1   H24 
CONECT      N1     3 C1'  C2   C6  
CONECT      N3     3 C2   C3U  C4  
CONECT      N3S    3 C    S    H25 
CONECT      O1S    1 S   
CONECT      O2     1 C2  
CONECT      O2'    2 C2'  H26 
CONECT      O2S    1 S   
CONECT      O3'    2 C3'  H27 
CONECT      O4     1 C4  
CONECT      O4'    2 C1'  C4' 
CONECT      O5'    2 C5'  S   
CONECT      S      4 N3S  O1S  O2S  O5' 
CONECT      H1     1 N   
CONECT      H2     1 N   
CONECT      H4     1 CA  
CONECT      H5     1 CB  
CONECT      H6     1 CB  
CONECT      H7     1 CG  
CONECT      H8     1 CD1 
CONECT      H9     1 CD1 
CONECT      H10    1 CD1 
CONECT      H11    1 CD2 
CONECT      H12    1 CD2 
CONECT      H13    1 CD2 
CONECT      H14    1 C1' 
CONECT      H15    1 C2' 
CONECT      H16    1 C3' 
CONECT      H17    1 C3U 
CONECT      H18    1 C3U 
CONECT      H19    1 C3U 
CONECT      H20    1 C4' 
CONECT      H21    1 C5  
CONECT      H22    1 C5' 
CONECT      H23    1 C5' 
CONECT      H24    1 C6  
CONECT      H25    1 N3S 
CONECT      H26    1 O2' 
CONECT      H27    1 O3' 
END   
HET    L3U             56
HETNAM     L3U [(2~{R},3~{S},4~{R},5~{R})-5-[3-methyl-2,4-bis(oxidanyl
HETNAM   2 L3U idene)pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]meth
HETNAM   3 L3U yl ~{N}-[(2~{S})-2-azanyl-4-methyl-pentanoyl]sulfamate
FORMUL      L3U    C16 H26 N4 O9 S1