Sugar and Phosphate Constituents

Torsion Angles in the Phosphodiester Linkage in

Dinucleoside Monophosphates and Trinucleoside Diphosphates


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torsion angle          mean   esd    N  

                       value          

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O3'-P-O5'-C5' (-sc)    285.3  (9.8,  8)          

O3'-P-O5'-C5' (+sc)     81.0 (12.1,  5)

P-O5'-C5'-C4'          183.5 (13.0, 15)

P-O5'-C5'-C4'*         163.8 (23.0, 24) 

C4'-C3'-O3'-P          214.0  (8.6, 13)

C3'-O3'-P-O5' (-sc)    289.2  (4.8,  6)

C3'-O3'-P-O5' (ap)     163.1  (0.6,  2) 

C3'-O3'-P-O5' (+sc)     80.7 (14.3,  5) 

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*Parameter found for mononucleotides.

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