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Nucleic Acid Standards

Sugar and Phosphate Constituents

Bond Lengths in Furanose Rings


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                    ribose           deoxyribose   

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bond           mean   esd    N     mean   esd    N

               value               value

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C1'-C2'        1.528 (0.010, 80)   1.521 (0.014, 47) 

C2'-C3'        1.525 (0.011, 80)   1.518 (0.010, 47) 

C3'-C4'        1.524 (0.011, 80)   1.528 (0.010, 47) 

C4'-O4'        1.453 (0.012, 80)   1.446 (0.011, 47) 

O4'-C1'        1.414 (0.012, 80)   1.420 (0.013, 47) 

C3'-O3'        1.423 (0.014, 80)   1.431 (0.013, 47) 

C5'-C4'        1.510 (0.013, 80)   1.511 (0.008, 47)

C2'-O2'        1.413 (0.013, 80)    na              

C1'-N1/N9      1.471 (0.017, 80)   1.474 (0.020, 47)

(H)O5'-C5'     1.423 (0.014, 61)   1.420 (0.021, 37)

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

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bond           mean   esd    N     mean   esd    N           mean   esd    N      mean   esd    N 

               value               value                     value                value

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C1'-C2'       1.526 (0.008, 49)    1.518 (0.010, 29)         1.529 (0.011, 24)    1.519 (0.010, 7)  

C2'-C3'       1.525 (0.011, 49)    1.516 (0.008, 29)         1.523 (0.011, 24)    1.518 (0.012, 7)  

C3'-C4'       1.527 (0.011, 49)    1.529 (0.010, 29)         1.521 (0.010, 24)    1.521 (0.010, 7)  

C4'-O4'       1.454 (0.010, 49)    1.446 (0.010, 29)         1.451 (0.013, 24)    1.449 (0.009, 7)  

O4'-C1'       1.415 (0.012, 49)    1.420 (0.011, 29)         1.412 (0.013, 24)    1.418 (0.012, 7)  

C3'-O3'       1.427 (0.012, 49)    1.435 (0.013, 29)         1.417 (0.014, 24)    1.419 (0.006, 7)  

C5'-C4'       1.509 (0.012, 49)    1.512 (0.007, 29)         1.508 (0.007, 24)    1.509 (0.011, 7)  

C2'-O2'       1.412 (0.013, 49)     na                       1.420 (0.010, 24)     na

C1'-N1/N9     1.464 (0.014, 49)    1.468 (0.014, 29)         1.483 (0.015, 24)    1.488 (0.013, 7) 

(H)O5'-C5'    1.424 (0.016, 31)    1.418 (0.025, 25)         1.420 (0.009, 20)    1.423 (0.011, 7) 

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