ST4
Bonds
| First atom | Second atom | Bond order type | Distance (experimental model) | Distance (ideal model) | Properties |
| C' | O1' | doub | 1.22Å | 1.24Å | |
| C' | O2' | sing | 1.35Å | 1.26Å | |
| C' | C1 | sing | 1.47Å | 1.39Å | |
| O2' | HO2' | sing | 0.97Å | 0.95Å | |
| C1 | C2 | doub | 1.40Å | 1.39Å | Aromatic |
| C1 | C6 | sing | 1.40Å | 1.39Å | Aromatic |
| C2 | C3 | sing | 1.38Å | 1.38Å | Aromatic |
| C2 | H2 | sing | 1.08Å | 1.10Å | |
| C3 | N3 | sing | 1.40Å | 1.38Å | |
| C3 | C4 | doub | 1.40Å | 1.41Å | Aromatic |
| N3 | C3' | sing | 1.46Å | 1.33Å | |
| N3 | HN3 | sing | 0.97Å | 0.98Å | |
| C3' | N1 | sing | 1.47Å | 1.32Å | |
| C3' | N2 | sing | 1.47Å | 1.32Å | |
| C3' | H3' | sing | 1.09Å | 1.11Å | |
| N1 | HN11 | sing | 1.01Å | 1.00Å | |
| N1 | HN12 | sing | 1.01Å | 1.00Å | |
| N2 | HN21 | sing | 1.01Å | 1.00Å | |
| N2 | HN22 | sing | 1.01Å | 1.00Å | |
| C4 | N4 | sing | 1.40Å | 1.40Å | |
| C4 | C5 | sing | 1.39Å | 1.39Å | Aromatic |
| N4 | C4' | sing | 1.35Å | 1.33Å | |
| N4 | HN4 | sing | 0.97Å | 0.97Å | |
| C4' | O4 | doub | 1.21Å | 1.23Å | |
| C4' | CM4 | sing | 1.51Å | 1.50Å | |
| CM4 | HM41 | sing | 1.09Å | 1.12Å | |
| CM4 | HM42 | sing | 1.09Å | 1.12Å | |
| CM4 | HM43 | sing | 1.09Å | 1.12Å | |
| C5 | C6 | doub | 1.38Å | 1.38Å | Aromatic |
| C5 | H5 | sing | 1.08Å | 1.10Å | |
| C6 | H6 | sing | 1.08Å | 1.10Å |
Angles
| First atom | Second atom | Third atom | Angle (experimental model) | Angle (ideal model) |
| O1' | C' | O2' | 122.6° | 120.0° |
| O1' | C' | C1 | 119.5° | 120.0° |
| O2' | C' | C1 | 117.9° | 120.0° |
| C' | O2' | HO2' | 122.6° | 120.0° |
| C' | C1 | C2 | 120.1° | 120.1° |
| C' | C1 | C6 | 121.2° | 120.0° |
| C2 | C1 | C6 | 118.5° | 119.9° |
| C1 | C2 | C3 | 121.1° | 119.9° |
| C1 | C2 | H2 | 120.0° | 120.0° |
| C1 | C6 | C5 | 121.2° | 120.0° |
| C1 | C6 | H6 | 119.9° | 120.0° |
| C3 | C2 | H2 | 118.9° | 120.1° |
| C2 | C3 | N3 | 119.3° | 120.1° |
| C2 | C3 | C4 | 119.6° | 120.0° |
| N3 | C3 | C4 | 121.1° | 120.0° |
| C3 | N3 | C3' | 121.7° | 120.0° |
| C3 | N3 | HN3 | 121.0° | 120.1° |
| C3 | C4 | N4 | 120.9° | 120.0° |
| C3 | C4 | C5 | 119.3° | 120.1° |
| C3' | N3 | HN3 | 117.4° | 119.9° |
| N3 | C3' | N1 | 120.3° | 109.5° |
| N3 | C3' | N2 | 120.3° | 109.5° |
| N3 | C3' | H3' | 75.4° | 109.5° |
| N1 | C3' | N2 | 119.3° | 109.5° |
| N1 | C3' | H3' | 98.6° | 109.4° |
| C3' | N1 | HN11 | 119.6° | 106.8° |
| C3' | N1 | HN12 | 120.6° | 106.7° |
| N2 | C3' | H3' | 98.1° | 109.4° |
| C3' | N2 | HN21 | 121.2° | 106.8° |
| C3' | N2 | HN22 | 119.6° | 106.7° |
| HN11 | N1 | HN12 | 119.8° | 106.7° |
| HN21 | N2 | HN22 | 119.2° | 106.7° |
| N4 | C4 | C5 | 119.8° | 120.0° |
| C4 | N4 | C4' | 123.6° | 120.0° |
| C4 | N4 | HN4 | 120.7° | 120.0° |
| C4 | C5 | C6 | 120.3° | 120.2° |
| C4 | C5 | H5 | 120.2° | 119.9° |
| C4' | N4 | HN4 | 115.7° | 120.0° |
| N4 | C4' | O4 | 121.8° | 120.0° |
| N4 | C4' | CM4 | 119.2° | 120.0° |
| O4 | C4' | CM4 | 118.7° | 119.9° |
| C4' | CM4 | HM41 | 119.3° | 109.5° |
| C4' | CM4 | HM42 | 108.8° | 109.5° |
| C4' | CM4 | HM43 | 108.7° | 109.4° |
| HM41 | CM4 | HM42 | 108.7° | 109.6° |
| HM41 | CM4 | HM43 | 108.6° | 109.5° |
| HM42 | CM4 | HM43 | 101.3° | 109.4° |
| C6 | C5 | H5 | 119.5° | 119.9° |
| C5 | C6 | H6 | 118.9° | 120.0° |
Dihedrals
| First atom | Second atom | Third atom | Fourth atom | Torsion (experimental model) | Torsion (ideal model) |
| O1' | C' | O2' | C1 | 178.5° | 180.0° |
| O1' | C' | O2' | HO2' | 180.0° | 0.0° |
| O1' | C' | C1 | C2 | 150.3° | 0.0° |
| O1' | C' | C1 | C6 | 35.5° | 179.9° |
| O2' | C' | C1 | C2 | 31.2° | 180.0° |
| O2' | C' | C1 | C6 | 143.1° | 0.0° |
| C1 | C' | O2' | HO2' | 1.5° | 179.9° |
| C' | C1 | C2 | C6 | 174.4° | 180.0° |
| C' | C1 | C2 | C3 | 172.5° | 179.8° |
| C' | C1 | C2 | H2 | 7.5° | 0.1° |
| C' | C1 | C6 | C5 | 172.4° | 180.0° |
| C' | C1 | C6 | H6 | 7.6° | 0.0° |
| C1 | C2 | C3 | H2 | 180.0° | 179.8° |
| C1 | C2 | C3 | N3 | 177.7° | 180.0° |
| C1 | C2 | C3 | C4 | 0.6° | 0.5° |
| C2 | C1 | C6 | C5 | 1.9° | 0.0° |
| C2 | C1 | C6 | H6 | 178.1° | 179.9° |
| C6 | C1 | C2 | C3 | 1.9° | 0.2° |
| C6 | C1 | C2 | H2 | 178.1° | 180.0° |
| C1 | C6 | C5 | C4 | 0.6° | 0.0° |
| C1 | C6 | C5 | H6 | 180.0° | 179.9° |
| C1 | C6 | C5 | H5 | 179.4° | 180.0° |
| C2 | C3 | N3 | C4 | 178.3° | 179.5° |
| C2 | C3 | N3 | C3' | 57.7° | 0.0° |
| C2 | C3 | N3 | HN3 | 122.2° | 180.0° |
| C2 | C3 | C4 | N4 | 176.4° | 179.7° |
| C2 | C3 | C4 | C5 | 0.8° | 0.5° |
| H2 | C2 | C3 | N3 | 2.3° | 0.2° |
| H2 | C2 | C3 | C4 | 179.4° | 179.7° |
| C3 | N3 | C3' | HN3 | 179.9° | 180.0° |
| C3 | N3 | C3' | N1 | 177.0° | 150.0° |
| C3 | N3 | C3' | N2 | 0.6° | 90.0° |
| C3 | N3 | C3' | H3' | 91.5° | 30.0° |
| N3 | C3 | C4 | N4 | 1.9° | 0.2° |
| N3 | C3 | C4 | C5 | 179.0° | 180.0° |
| C4 | C3 | N3 | C3' | 120.6° | 179.5° |
| C4 | C3 | N3 | HN3 | 59.5° | 0.5° |
| C3 | C4 | N4 | C5 | 177.1° | 179.8° |
| C3 | C4 | N4 | C4' | 56.7° | 150.3° |
| C3 | C4 | N4 | HN4 | 123.9° | 29.8° |
| C3 | C4 | C5 | C6 | 0.7° | 0.3° |
| C3 | C4 | C5 | H5 | 179.3° | 179.8° |
| N3 | C3' | N1 | N2 | 177.6° | 120.0° |
| N3 | C3' | N1 | H3' | 78.1° | 120.0° |
| N3 | C3' | N2 | H3' | 77.8° | 120.0° |
| N3 | C3' | N1 | HN11 | 179.5° | 180.0° |
| N3 | C3' | N1 | HN12 | 0.0° | 66.2° |
| N3 | C3' | N2 | HN21 | 0.1° | 60.1° |
| N3 | C3' | N2 | HN22 | 179.5° | 53.8° |
| HN3 | N3 | C3' | N1 | 3.1° | 30.0° |
| HN3 | N3 | C3' | N2 | 179.3° | 90.0° |
| HN3 | N3 | C3' | H3' | 88.4° | 150.0° |
| N1 | C3' | N2 | H3' | 104.6° | 119.9° |
| C3' | N1 | HN11 | HN12 | 179.4° | 113.8° |
| N1 | C3' | N2 | HN21 | 177.5° | 60.0° |
| N1 | C3' | N2 | HN22 | 1.9° | 173.8° |
| N2 | C3' | N1 | HN11 | 2.9° | 59.9° |
| N2 | C3' | N1 | HN12 | 177.6° | 173.8° |
| C3' | N2 | HN21 | HN22 | 179.5° | 113.8° |
| H3' | C3' | N1 | HN11 | 101.4° | 60.0° |
| H3' | C3' | N1 | HN12 | 78.0° | 53.9° |
| H3' | C3' | N2 | HN21 | 77.8° | 179.9° |
| H3' | C3' | N2 | HN22 | 102.7° | 66.2° |
| C4 | N4 | C4' | HN4 | 179.4° | 179.9° |
| C4 | N4 | C4' | O4 | 7.2° | 6.0° |
| C4 | N4 | C4' | CM4 | 178.0° | 174.0° |
| N4 | C4 | C5 | C6 | 176.4° | 179.9° |
| N4 | C4 | C5 | H5 | 3.6° | 0.0° |
| C5 | C4 | N4 | C4' | 126.2° | 29.9° |
| C5 | C4 | N4 | HN4 | 53.2° | 150.0° |
| C4 | C5 | C6 | H5 | 180.0° | 179.9° |
| C4 | C5 | C6 | H6 | 179.4° | 180.0° |
| N4 | C4' | O4 | CM4 | 174.9° | 180.0° |
| N4 | C4' | CM4 | HM41 | 180.0° | 180.0° |
| N4 | C4' | CM4 | HM42 | 54.7° | 59.9° |
| N4 | C4' | CM4 | HM43 | 54.8° | 60.0° |
| HN4 | N4 | C4' | O4 | 172.2° | 174.0° |
| HN4 | N4 | C4' | CM4 | 2.7° | 5.9° |
| O4 | C4' | CM4 | HM41 | 5.0° | 0.1° |
| O4 | C4' | CM4 | HM42 | 120.3° | 120.1° |
| O4 | C4' | CM4 | HM43 | 130.2° | 120.0° |
| C4' | CM4 | HM41 | HM42 | 125.3° | 120.1° |
| C4' | CM4 | HM41 | HM43 | 125.3° | 119.9° |
| C4' | CM4 | HM42 | HM43 | 114.4° | 119.9° |
| HM41 | CM4 | HM42 | HM43 | 114.3° | 120.0° |
| H5 | C5 | C6 | H6 | 0.6° | 0.1° |
