Sugar and Phosphate Constituents

Bond angles in Furanose Rings


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                    ribose           deoxyribose 

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angle          mean   esd    N     mean   esd    N

               value               value

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C1'-C2'-C3'    101.5  (0.9, 80)   102.7  (1.4, 47)

C2'-C3'-C4'    102.7  (1.0, 80)   103.2  (1.0, 47)

C3'-C4'-O4'    105.5  (1.4, 80)   105.6  (1.0, 47)

C4'-O4'-C1'    109.6  (0.9, 80)   109.7  (1.4, 47)

O4'-C1'-C2'    106.4  (1.4, 80)   106.1  (1.0, 47)

C1'-C2'-O2'    110.6  (3.0, 80)    na             

C3'-C2'-O2'    113.3  (2.9, 80)    na 

C2'-C3'-O3'    111.0  (2.8, 80)   110.6  (2.7, 47)

C4'-C3'-O3'    110.6  (2.6, 80)   110.3  (2.2, 47)

C5'-C4'-C3'    115.5  (1.5, 80)   114.7  (1.5, 47)

C5'-C4'-O4'    109.2  (1.4, 80)   109.4  (1.6, 47)

O4'-C1'-N1/N9  108.2  (1.0, 80)   107.8  (0.8, 47)

C2'-C1'-N1/N9  113.4  (1.6, 80)   114.2  (1.6, 47)

(H)O5'-C5'-C4' 111.6  (1.7, 61)   110.9  (2.0, 37)

C1'-N9-C4      127.1  (1.8, 46)   125.9  (1.4, 13)

C1'-N1-C2      117.9  (1.3, 34)   117.8  (1.4, 34)

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              C2'-endo ribose     C2'-endo deoxyribose     C3'-endo ribose      C3'-endo deoxyribose 

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angle          mean    esd  N      mean    esd  N           mean    esd  N       mean    esd  N 

               value               value                    value                value

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C1'-C2'-C3'    101.5  (0.8, 49)    102.5  (1.2, 29)         101.3  (0.7, 24)     102.4  (0.8, 7)

C2'-C3'-C4'    102.6  (1.0, 49)    103.1  (0.9, 29)         102.6  (1.0, 24)     102.2  (0.7, 7)

C3'-C4'-O4'    106.1  (0.8, 49)    106.0  (0.6, 29)         104.0  (1.0, 24)     104.5  (0.4, 7)

C4'-O4'-C1'    109.7  (0.7, 49)    110.1  (1.0, 29)         109.9  (0.8, 24)     110.3  (0.7, 7)

O4'-C1'-C2'    105.8  (1.0, 49)    105.9  (0.8, 29)         107.6  (0.9, 24)     106.8  (0.5, 7)

C1'-C2'-O2'    111.8  (2.6, 49)     na                      108.4  (2.4, 24)      na            

C3'-C2'-O2'    114.6  (2.2, 49)     na                      110.7  (2.1, 24)      na            

C2'-C3'-O3'    109.5  (2.2, 49)    109.4  (2.5, 29)         113.7  (1.6, 24)     112.6  (3.3, 7)

C4'-C3'-O3'    109.4  (2.1, 49)    109.7  (2.5, 29)         113.0  (2.0, 24)     112.3  (2.0, 7)

C5'-C4'-C3'    115.2  (1.4, 49)    114.1  (1.8, 29)         116.0  (1.6, 24)     115.7  (1.2, 7)

C5'-C4'-O4'    109.1  (1.2, 49)    109.3  (1.9, 29)         109.8  (0.9, 24)     109.8  (1.1, 7)

O4'-C1'-N1/N9  108.2  (0.8, 49)    108.0  (0.7, 29)         108.5  (0.7, 24)     108.3  (0.3, 7)

C2'-C1'-N1/N9  114.0  (1.3, 49)    114.3  (1.4, 29)         112.0  (1.1, 24)     112.6  (1.9, 7)

(H)O5'-C5'-C4' 111.7  (1.9, 61)    110.9  (1.7, 25)         111.5  (1.6, 20)     111.0  (2.5, 7)

C1'-N9-C4      127.4  (1.2, 28)    126.3  (1.2,  7)         126.3  (2.8, 12)     123.9  (1.0, 2)

C1'-N1-C2      118.5  (1.1, 21)    117.8  (1.8, 22)         116.7  (0.6, 12)     117.5  (1.4, 5)

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