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. 2014 Jun 24;70(Pt 7):1790–1800. doi: 10.1107/S1399004714004684
Angle name Angle definition Cyt1 Cyt3a Cyt3b Cyt5a Cyt5b Cyt7a Cyt7b Cyt9a Cyt9b Cyt11a Cyt11b ZI ZII
α O3′—P—O5′—C5′   −158.0 160.4 −143.1 139.8 166.7 −146.2 167.8 −148.4 164.1 −137 143
β P—O5′—C5′—C4′   −119.6 171.3 −129.6 172.9 155.5 −124.5 170.7 −121.8 167.8 −139 164
γ O5′—C5′—C4′—C3′ 54.7 52.9 52.4 66.0 49.2 49.3 55.7 56 66
δ C5′—C4′—C3′—O3′ 143.4 139.6 141.4 152.1 144.4 145.5 133.5 151.2 138 147
C4′—C3′—O3′—P −91.7 −94.6 −102.5 −100.5 −89.7 −95.3 −84.3 −106.5 −94 −100
ζ C3′—O3′—P—O5′ 77.0 79.6 70.3 83.6 50.8 76.4 70.5 71.2 80 74
χ O4′—C1′—N1—C2 −147.5 −154.1 −158.5 −153.9 −151.6 −150.3 −159 −148
ν0 C4′—O4′—C1′—C2′ −25.0 −28.6 −29.8 −24.7 −26.7 −25.8    
ν1 O4′—C1′—C2′—C3′ 36.6 38.1 41.6 36.4 38.2 37.4    
ν2 C1′—C2′—C3′—C4′ −34.1 −32.3 −36.8 −34.1 −34.0 −34.2    
ν3 C2′—C3′—C4′—O4′ 20.6 16.5 20.5 20.1 19.1 20.2    
ν4 C3′—C4′—O4′—C1′ 2.7 7.3 4.8 2.8 4.9 3.2    
Saenger type     ZI ZII ZI ZII ZII ZI ZII ZI ZII    
Phosphate occupancy     0.78 0.22 0.65 0.35   0.26 0.74 0.72 0.28    
Pseudorotation P   157.4 149.9 153.9 157.4 154.2 156.4    
Pseudorotation τ   36.9 37.3 41.0 36.9 37.8 37.3    
Sugar pucker   C2′-endo C2′-endo C2′-endo C2′-endo C2′-endo C2′-endo