1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Lebars, I. Lamontagne, B. Yoshizawa, S. Abou Elela, S. Fourmy, D. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic C10 H14 N5 O7 P 347.221 y ADENOSINE-5'-MONOPHOSPHATE RNA linking C9 H14 N3 O8 P 323.197 y CYTIDINE-5'-MONOPHOSPHATE RNA linking C10 H14 N5 O8 P 363.221 y GUANOSINE-5'-MONOPHOSPHATE RNA linking C9 H13 N2 O9 P 324.181 y URIDINE-5'-MONOPHOSPHATE RNA linking UK EMBO J. EMJODG 0897 0261-4189 20 7250 7258 10.1093/emboj/20.24.7250 11743001 Solution structure of conserved AGNN tetraloops: insights into Rnt1p RNA processing. 2001 10.2210/pdb1k6h/pdb pdb_00001k6h 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 SINGLE WAVELENGTH M 1 1.0 AGNN Tetraloop, Substrate for Rnt1p 7112.306 RNA (5'-R(P*GP*GP*CP*GP*UP*GP*UP*UP*CP*AP*GP*AP*AP*GP*AP*AP*CP*GP*CP*GP*CP*C)-3') 1 syn polymer no no GGCGUGUUCAGAAGAACGCGCC GGCGUGUUCAGAAGAACGCGCC A polyribonucleotide n n n n n n n n n n n n n n n n n n n n n n 0.698 1 19 A 1 A 22 -3.519 A_G1:C22_A 1 -10.963 0.229 0.286 0.021 -2.119 1 19 A 2 A 21 -0.050 A_G2:C21_A 2 -24.207 -0.777 0.024 -0.215 -2.761 1 19 A 3 A 20 -0.976 A_C3:G20_A 3 -22.537 0.676 0.123 -0.185 -10.564 1 19 A 4 A 19 -3.000 A_G4:C19_A 4 -23.374 0.299 0.385 -0.022 -7.613 1 28 A 5 A 18 -2.199 A_U5:G18_A 5 -19.993 1.526 0.810 -0.473 14.310 1 19 A 6 A 17 -4.002 A_G6:C17_A 6 -19.543 -0.639 0.922 -0.283 16.070 1 20 A 7 A 16 -5.433 A_U7:A16_A 7 -22.206 -0.121 0.345 0.028 17.321 1 20 A 8 A 15 -4.071 A_U8:A15_A 8 -30.844 -0.136 -0.578 0.101 -9.201 1 19 A 9 A 14 -2.978 A_C9:G14_A 9 3.923 -0.632 0.456 -0.002 -7.390 5 A 10 A 13 32.836 A_A10:A13_A 10 -8.923 6.500 1.315 -1.641 2.199 31.307 A A 1 2 22.745 A A 22 21 3.065 11.972 0.137 -1.726 AA_G1G2:C21C22_AA 1 1.348 -2.560 28.950 -5.094 -0.041 2.975 40.254 A A 2 3 5.123 A A 21 20 3.097 3.522 0.068 -1.331 AA_G2C3:G20C21_AA 2 0.325 -0.473 40.105 -2.304 -0.064 1.951 36.348 A A 3 4 28.930 A A 20 19 3.032 17.352 0.031 -1.576 AA_C3G4:C19G20_AA 3 1.225 -2.043 32.039 -4.498 0.089 2.985 38.148 A A 4 5 2.605 A A 19 18 3.045 1.702 0.044 -1.305 AA_G4U5:G18C19_AA 4 -0.856 1.311 38.102 -2.194 -0.167 1.151 27.564 A A 5 6 26.180 A A 18 17 2.045 12.054 -0.376 -1.665 AA_U5G6:C17G18_AA 5 -2.079 4.515 24.748 -5.015 0.527 2.966 36.189 A A 6 7 3.300 A A 17 16 3.054 2.049 0.048 -1.518 AA_G6U7:A16C17_AA 6 1.352 -2.178 36.108 -2.709 0.098 2.432 33.062 A A 7 8 15.562 A A 16 15 2.993 8.740 -0.057 -1.699 AA_U7U8:A15A16_AA 7 3.442 -6.128 31.735 -4.239 0.593 1.760 44.165 A A 8 9 37.495 A A 15 14 3.713 26.078 -0.568 -2.213 AA_U8C9:G14A15_AA 8 -12.165 17.490 33.865 -5.293 -0.342 2.624 47.446 A A 9 10 25.399 A A 14 13 3.061 19.836 0.421 -0.526 AA_C9A10:A13G14_AA 9 5.052 -6.468 43.035 -2.126 -0.148 database_2 pdbx_nmr_software pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2001-12-19 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name AGNN Tetraloop RCSB Y RCSB 2001-10-16 REL Synthetic-T7 RNA transcript sample structures with the lowest energy 25 20 2D NOESY 2D NOESY 2D DQF-COSY 2D TOCSY 3D NOESY-HMQC 3D HCCH-TOCSY HP COSY HSQC HSQC 3D HCP HNN COSY 10mM Na Phosphate 6.4 ambient 293 K 10mM Na Phosphate 6.4 ambient 278 K 10mM Na Phosphate 6.4 ambient 293 K 10mM Na Phosphate 6.4 ambient 278 K simulated annealing 1 1 mM RNA, 10 mM Na Phosphate, pH 6.4 100% D2O 1 mM RNA, 10 mM Na Phosphate, pH 6.4 95% H2O/5% D2O 1 mM RNA,15N, 13C, 10 mM Na Phosphate, pH 6.4 100% D2O 1 mM RNA, 15N, 13C, 10 mM Na Phosphate, pH 6.4 95% H2O/5% D2O collection XwinNMR processing XwinNMR data analysis AURELIA structure solution Discover refinement Discover 800 Bruker DRX 600 Bruker DRX G1 2 n 1 G 1 A G2 3 n 2 G 2 A C3 4 n 3 C 3 A G4 5 n 4 G 4 A U5 6 n 5 U 5 A G6 7 n 6 G 6 A U7 8 n 7 U 7 A U8 9 n 8 U 8 A C9 10 n 9 C 9 A A10 11 n 10 A 10 A G11 12 n 11 G 11 A A12 13 n 12 A 12 A A13 14 n 13 A 13 A G14 15 n 14 G 14 A A15 16 n 15 A 15 A A16 17 n 16 A 16 A C17 18 n 17 C 17 A G18 19 n 18 G 18 A C19 20 n 19 C 19 A G20 21 n 20 G 20 A C21 22 n 21 C 21 A C22 23 n 22 C 22 A author_defined_assembly 1 monomeric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 1 A G 6 0.098 SIDE CHAIN 1 A U 8 0.070 SIDE CHAIN 1 A A 10 0.067 SIDE CHAIN 1 A G 18 0.074 SIDE CHAIN 1 A G 20 0.077 SIDE CHAIN 2 A G 6 0.082 SIDE CHAIN 2 A G 11 0.101 SIDE CHAIN 2 A G 20 0.065 SIDE CHAIN 3 A A 10 0.065 SIDE CHAIN 4 A G 4 0.054 SIDE CHAIN 4 A G 11 0.093 SIDE CHAIN 4 A A 12 0.075 SIDE CHAIN 4 A A 16 0.058 SIDE CHAIN 4 A G 20 0.080 SIDE CHAIN 4 A C 21 0.065 SIDE CHAIN 5 A G 6 0.064 SIDE CHAIN 5 A G 11 0.059 SIDE CHAIN 5 A G 20 0.077 SIDE CHAIN 6 A G 6 0.079 SIDE CHAIN 6 A G 11 0.065 SIDE CHAIN 6 A G 18 0.073 SIDE CHAIN 7 A G 4 0.065 SIDE CHAIN 7 A G 6 0.073 SIDE CHAIN 7 A G 11 0.056 SIDE CHAIN 7 A G 18 0.077 SIDE CHAIN 8 A G 6 0.085 SIDE CHAIN 8 A G 11 0.085 SIDE CHAIN 8 A A 13 0.070 SIDE CHAIN 8 A G 14 0.094 SIDE CHAIN 8 A G 18 0.073 SIDE CHAIN 9 A G 11 0.070 SIDE CHAIN 9 A G 14 0.062 SIDE CHAIN 10 A G 4 0.056 SIDE CHAIN 10 A G 11 0.069 SIDE CHAIN 10 A C 21 0.061 SIDE CHAIN 11 A G 6 0.092 SIDE CHAIN 11 A G 20 0.075 SIDE CHAIN 12 A G 6 0.073 SIDE CHAIN 12 A G 11 0.072 SIDE CHAIN 12 A G 20 0.069 SIDE CHAIN 13 A G 6 0.077 SIDE CHAIN 13 A G 11 0.066 SIDE CHAIN 13 A A 16 0.054 SIDE CHAIN 13 A G 20 0.088 SIDE CHAIN 14 A G 6 0.088 SIDE CHAIN 14 A G 11 0.082 SIDE CHAIN 14 A G 18 0.061 SIDE CHAIN 14 A C 21 0.065 SIDE CHAIN 15 A G 6 0.069 SIDE CHAIN 15 A A 12 0.073 SIDE CHAIN 15 A G 20 0.068 SIDE CHAIN 15 A C 21 0.061 SIDE CHAIN 16 A G 4 0.058 SIDE CHAIN 16 A G 6 0.064 SIDE CHAIN 16 A G 11 0.110 SIDE CHAIN 16 A G 14 0.070 SIDE CHAIN 16 A G 18 0.061 SIDE CHAIN 17 A A 10 0.052 SIDE CHAIN 17 A A 16 0.076 SIDE CHAIN 17 A C 21 0.063 SIDE CHAIN 18 A A 10 0.056 SIDE CHAIN 18 A G 11 0.057 SIDE CHAIN 18 A G 14 0.066 SIDE CHAIN 18 A A 15 0.056 SIDE CHAIN 18 A G 20 0.061 SIDE CHAIN 18 A C 21 0.063 SIDE CHAIN 19 A A 10 0.051 SIDE CHAIN 19 A G 11 0.071 SIDE CHAIN 19 A A 12 0.057 SIDE CHAIN 19 A G 18 0.063 SIDE CHAIN 19 A G 20 0.073 SIDE CHAIN 20 A G 6 0.085 SIDE CHAIN 20 A G 11 0.063 SIDE CHAIN 20 A G 20 0.080 SIDE CHAIN 1 4.48 0.70 108.50 112.98 A A A O4' C1' N1 C C C 3 3 3 N 1 4.36 0.70 108.50 112.86 A A A O4' C1' N1 U U U 5 5 5 N 1 4.34 0.70 108.50 112.84 A A A O4' C1' N1 U U U 8 8 8 N 1 4.74 0.70 108.50 113.24 A A A O4' C1' N1 C C C 9 9 9 N 1 4.54 0.70 108.50 113.04 A A A O4' C1' N1 C C C 19 19 19 N 1 4.58 0.70 108.50 113.08 A A A O4' C1' N1 C C C 21 21 21 N 2 4.81 0.70 108.50 113.31 A A A O4' C1' N1 C C C 3 3 3 N 2 4.46 0.70 108.50 112.96 A A A O4' C1' N1 U U U 5 5 5 N 2 4.28 0.70 108.50 112.78 A A A O4' C1' N1 U U U 8 8 8 N 2 4.79 0.70 108.50 113.29 A A A O4' C1' N1 C C C 9 9 9 N 2 4.55 0.70 108.50 113.05 A A A O4' C1' N9 G G G 11 11 11 N 2 5.20 0.70 108.50 113.70 A A A O4' C1' N1 C C C 17 17 17 N 2 4.76 0.70 108.50 113.26 A A A O4' C1' N1 C C C 19 19 19 N 2 4.65 0.70 108.50 113.15 A A A O4' C1' N1 C C C 21 21 21 N 2 4.22 0.70 108.50 112.72 A A A O4' C1' N1 C C C 22 22 22 N 3 4.80 0.70 108.50 113.30 A A A O4' C1' N1 C C C 3 3 3 N 3 4.62 0.70 108.50 113.12 A A A O4' C1' N1 U U U 7 7 7 N 3 4.89 0.70 108.50 113.39 A A A O4' C1' N9 A A A 12 12 12 N 3 5.55 0.70 108.50 114.05 A A A O4' C1' N9 A A A 13 13 13 N 3 4.41 0.70 108.50 112.91 A A A O4' C1' N1 C C C 19 19 19 N 3 4.72 0.70 108.50 113.22 A A A O4' C1' N1 C C C 21 21 21 N 4 4.57 0.70 108.50 113.07 A A A O4' C1' N1 C C C 3 3 3 N 4 4.55 0.70 108.50 113.05 A A A O4' C1' N1 U U U 7 7 7 N 4 4.79 0.70 108.50 113.29 A A A O4' C1' N1 U U U 8 8 8 N 4 4.83 0.70 108.50 113.33 A A A O4' C1' N1 C C C 9 9 9 N 4 6.71 0.70 108.50 115.21 A A A O4' C1' N9 G G G 11 11 11 N 4 5.84 0.70 108.50 114.34 A A A O4' C1' N1 C C C 17 17 17 N 4 4.57 0.70 108.50 113.07 A A A O4' C1' N1 C C C 19 19 19 N 4 4.49 0.70 108.50 112.99 A A A O4' C1' N1 C C C 21 21 21 N 5 4.45 0.70 108.50 112.95 A A A O4' C1' N1 C C C 3 3 3 N 5 4.20 0.70 108.50 112.70 A A A O4' C1' N1 U U U 5 5 5 N 5 4.58 0.70 108.50 113.08 A A A O4' C1' N1 U U U 7 7 7 N 5 4.24 0.70 108.50 112.74 A A A O4' C1' N1 U U U 8 8 8 N 5 4.70 0.70 108.50 113.20 A A A O4' C1' N1 C C C 19 19 19 N 5 4.56 0.70 108.50 113.06 A A A O4' C1' N1 C C C 21 21 21 N 6 4.84 0.70 108.50 113.34 A A A O4' C1' N1 C C C 3 3 3 N 6 4.70 0.70 108.50 113.20 A A A O4' C1' N1 U U U 5 5 5 N 6 5.63 0.70 108.50 114.13 A A A O4' C1' N9 G G G 11 11 11 N 6 4.36 0.70 108.50 112.86 A A A O4' C1' N1 C C C 17 17 17 N 6 4.50 0.70 108.50 113.00 A A A O4' C1' N1 C C C 19 19 19 N 6 4.65 0.70 108.50 113.15 A A A O4' C1' N1 C C C 21 21 21 N 7 4.95 0.70 108.50 113.45 A A A O4' C1' N1 C C C 3 3 3 N 7 4.28 0.70 108.50 112.78 A A A O4' C1' N1 C C C 17 17 17 N 7 4.29 0.70 108.50 112.79 A A A O4' C1' N1 C C C 19 19 19 N 7 4.57 0.70 108.50 113.07 A A A O4' C1' N1 C C C 21 21 21 N 8 4.73 0.70 108.50 113.23 A A A O4' C1' N1 C C C 3 3 3 N 8 4.56 0.70 108.50 113.06 A A A O4' C1' N1 U U U 5 5 5 N 8 4.92 0.70 108.50 113.42 A A A O4' C1' N1 C C C 9 9 9 N 8 5.48 0.70 108.50 113.98 A A A O4' C1' N9 G G G 11 11 11 N 8 -6.20 1.00 102.60 96.40 A A A C4' C3' C2' A A A 12 12 12 N 8 4.83 0.70 108.50 113.33 A A A O4' C1' N9 G G G 14 14 14 N 8 4.36 0.70 108.50 112.86 A A A O4' C1' N1 C C C 17 17 17 N 8 4.54 0.70 108.50 113.04 A A A O4' C1' N1 C C C 19 19 19 N 8 4.50 0.70 108.50 113.00 A A A O4' C1' N1 C C C 21 21 21 N 9 4.69 0.70 108.50 113.19 A A A O4' C1' N1 C C C 3 3 3 N 9 5.50 0.70 108.50 114.00 A A A O4' C1' N1 U U U 5 5 5 N 9 4.48 0.70 108.50 112.98 A A A O4' C1' N1 U U U 7 7 7 N 9 4.36 0.70 108.50 112.86 A A A O4' C1' N1 U U U 8 8 8 N 9 4.84 0.70 108.50 113.34 A A A O4' C1' N1 C C C 9 9 9 N 9 4.98 0.70 108.50 113.48 A A A O4' C1' N9 A A A 12 12 12 N 9 4.40 0.70 108.50 112.90 A A A O4' C1' N1 C C C 17 17 17 N 9 4.65 0.70 108.50 113.15 A A A O4' C1' N1 C C C 19 19 19 N 9 4.88 0.70 108.50 113.38 A A A O4' C1' N1 C C C 21 21 21 N 10 4.85 0.70 108.50 113.35 A A A O4' C1' N1 C C C 3 3 3 N 10 4.23 0.70 108.50 112.73 A A A O4' C1' N1 U U U 5 5 5 N 10 4.67 0.70 108.50 113.17 A A A O4' C1' N1 C C C 9 9 9 N 10 4.96 0.70 108.50 113.46 A A A O4' C1' N9 A A A 12 12 12 N 10 4.32 0.70 108.50 112.82 A A A O4' C1' N1 C C C 19 19 19 N 10 4.78 0.70 108.50 113.28 A A A O4' C1' N1 C C C 21 21 21 N 10 4.24 0.70 108.50 112.74 A A A O4' C1' N1 C C C 22 22 22 N 11 4.54 0.70 108.50 113.04 A A A O4' C1' N1 C C C 3 3 3 N 11 4.75 0.70 108.50 113.25 A A A O4' C1' N1 U U U 5 5 5 N 11 4.54 0.70 108.50 113.04 A A A O4' C1' N1 U U U 7 7 7 N 11 5.17 0.70 108.50 113.67 A A A O4' C1' N9 A A A 13 13 13 N 11 4.61 0.70 108.50 113.11 A A A O4' C1' N1 C C C 17 17 17 N 11 4.75 0.70 108.50 113.25 A A A O4' C1' N1 C C C 19 19 19 N 11 4.56 0.70 108.50 113.06 A A A O4' C1' N1 C C C 21 21 21 N 12 4.43 0.70 108.50 112.93 A A A O4' C1' N1 C C C 3 3 3 N 12 4.26 0.70 108.50 112.76 A A A O4' C1' N1 U U U 5 5 5 N 12 4.71 0.70 108.50 113.21 A A A O4' C1' N1 C C C 9 9 9 N 12 4.91 0.70 108.50 113.41 A A A O4' C1' N9 A A A 12 12 12 N 12 4.73 0.70 108.50 113.23 A A A O4' C1' N1 C C C 19 19 19 N 12 4.61 0.70 108.50 113.11 A A A O4' C1' N1 C C C 21 21 21 N 13 4.28 0.70 108.50 112.78 A A A O4' C1' N1 C C C 3 3 3 N 13 4.63 0.70 108.50 113.13 A A A O4' C1' N1 U U U 5 5 5 N 13 4.55 0.70 108.50 113.05 A A A O4' C1' N1 U U U 7 7 7 N 13 4.93 0.70 108.50 113.43 A A A O4' C1' N9 A A A 12 12 12 N 13 4.62 0.70 108.50 113.12 A A A O4' C1' N1 C C C 19 19 19 N 14 4.61 0.70 108.50 113.11 A A A O4' C1' N1 C C C 3 3 3 N 14 4.60 0.70 108.50 113.10 A A A O4' C1' N1 U U U 5 5 5 N 14 4.98 0.70 108.50 113.48 A A A O4' C1' N1 C C C 9 9 9 N 14 4.87 0.70 108.50 113.37 A A A O4' C1' N9 G G G 11 11 11 N 14 4.25 0.70 108.50 112.75 A A A O4' C1' N1 C C C 17 17 17 N 14 4.67 0.70 108.50 113.17 A A A O4' C1' N1 C C C 19 19 19 N 14 4.56 0.70 108.50 113.06 A A A O4' C1' N1 C C C 21 21 21 N 15 4.66 0.70 108.50 113.16 A A A O4' C1' N1 C C C 3 3 3 N 15 4.62 0.70 108.50 113.12 A A A O4' C1' N1 U U U 5 5 5 N 15 5.17 0.70 108.50 113.67 A A A O4' C1' N1 C C C 9 9 9 N 15 5.32 0.70 108.50 113.82 A A A O4' C1' N9 G G G 11 11 11 N 15 5.73 0.70 108.50 114.23 A A A O4' C1' N9 A A A 13 13 13 N 15 4.97 0.70 108.50 113.47 A A A O4' C1' N1 C C C 17 17 17 N 15 4.64 0.70 108.50 113.14 A A A O4' C1' N1 C C C 19 19 19 N 15 4.62 0.70 108.50 113.12 A A A O4' C1' N1 C C C 21 21 21 N 16 5.00 0.70 108.50 113.50 A A A O4' C1' N1 C C C 3 3 3 N 16 4.97 0.70 108.50 113.47 A A A O4' C1' N1 C C C 9 9 9 N 16 4.27 0.70 108.50 112.77 A A A O4' C1' N9 G G G 11 11 11 N 16 3.06 0.50 111.90 114.96 A A A C2 N3 C4 G G G 11 11 11 N 16 -3.11 0.50 128.60 125.49 A A A N3 C4 C5 G G G 11 11 11 N 16 -2.48 0.40 106.40 103.92 A A A C8 N9 C4 G G G 11 11 11 N 16 4.81 0.70 108.50 113.31 A A A O4' C1' N9 A A A 12 12 12 N 16 4.40 0.70 108.50 112.90 A A A O4' C1' N1 C C C 17 17 17 N 16 4.41 0.70 108.50 112.91 A A A O4' C1' N1 C C C 19 19 19 N 16 4.71 0.70 108.50 113.21 A A A O4' C1' N1 C C C 21 21 21 N 17 5.16 0.70 108.50 113.66 A A A O4' C1' N1 C C C 3 3 3 N 17 4.44 0.70 108.50 112.94 A A A O4' C1' N1 U U U 7 7 7 N 17 4.57 0.70 108.50 113.07 A A A O4' C1' N1 U U U 8 8 8 N 17 4.67 0.70 108.50 113.17 A A A O4' C1' N1 C C C 9 9 9 N 17 5.32 0.70 108.50 113.82 A A A O4' C1' N9 A A A 10 10 10 N 17 4.85 0.70 108.50 113.35 A A A O4' C1' N9 A A A 12 12 12 N 17 5.38 0.70 108.50 113.88 A A A O4' C1' N1 C C C 17 17 17 N 17 4.50 0.70 108.50 113.00 A A A O4' C1' N1 C C C 19 19 19 N 17 4.73 0.70 108.50 113.23 A A A O4' C1' N1 C C C 21 21 21 N 18 4.26 0.70 108.50 112.76 A A A O4' C1' N1 C C C 3 3 3 N 18 4.41 0.70 108.50 112.91 A A A O4' C1' N1 U U U 5 5 5 N 18 4.47 0.70 108.50 112.97 A A A O4' C1' N1 U U U 8 8 8 N 18 4.56 0.70 108.50 113.06 A A A O4' C1' N1 C C C 9 9 9 N 18 5.47 0.70 108.50 113.97 A A A O4' C1' N9 G G G 11 11 11 N 18 4.73 0.70 108.50 113.23 A A A O4' C1' N1 C C C 17 17 17 N 18 5.11 0.70 108.50 113.61 A A A O4' C1' N1 C C C 19 19 19 N 18 4.51 0.70 108.50 113.01 A A A O4' C1' N1 C C C 21 21 21 N 19 4.33 0.70 108.50 112.83 A A A O4' C1' N1 C C C 3 3 3 N 19 4.83 0.70 108.50 113.33 A A A O4' C1' N1 U U U 7 7 7 N 19 4.36 0.70 108.50 112.86 A A A O4' C1' N1 C C C 9 9 9 N 19 5.95 0.70 108.50 114.45 A A A O4' C1' N9 G G G 11 11 11 N 19 4.23 0.70 108.50 112.73 A A A O4' C1' N1 C C C 19 19 19 N 19 4.70 0.70 108.50 113.20 A A A O4' C1' N1 C C C 21 21 21 N 20 4.49 0.70 108.50 112.99 A A A O4' C1' N1 C C C 3 3 3 N 20 4.84 0.70 108.50 113.34 A A A O4' C1' N1 U U U 7 7 7 N 20 5.43 0.70 108.50 113.93 A A A O4' C1' N9 G G G 11 11 11 N 20 4.30 0.70 108.50 112.80 A A A O4' C1' N1 C C C 17 17 17 N 20 4.82 0.70 108.50 113.32 A A A O4' C1' N1 C C C 19 19 19 N 20 4.59 0.70 108.50 113.09 A A A O4' C1' N1 C C C 21 21 21 N Solution Structure of Conserved AGNN Tetraloops: Insights into Rnt1p RNA processing 1 N N hydrog WATSON-CRICK A G 1 A N1 G 1 1_555 A C 22 A N3 C 22 1_555 hydrog WATSON-CRICK A G 1 A N2 G 1 1_555 A C 22 A O2 C 22 1_555 hydrog WATSON-CRICK A G 1 A O6 G 1 1_555 A C 22 A N4 C 22 1_555 hydrog WATSON-CRICK A G 2 A N1 G 2 1_555 A C 21 A N3 C 21 1_555 hydrog WATSON-CRICK A G 2 A N2 G 2 1_555 A C 21 A O2 C 21 1_555 hydrog WATSON-CRICK A G 2 A O6 G 2 1_555 A C 21 A N4 C 21 1_555 hydrog WATSON-CRICK A C 3 A N3 C 3 1_555 A G 20 A N1 G 20 1_555 hydrog WATSON-CRICK A C 3 A N4 C 3 1_555 A G 20 A O6 G 20 1_555 hydrog WATSON-CRICK A C 3 A O2 C 3 1_555 A G 20 A N2 G 20 1_555 hydrog WATSON-CRICK A G 4 A N1 G 4 1_555 A C 19 A N3 C 19 1_555 hydrog WATSON-CRICK A G 4 A N2 G 4 1_555 A C 19 A O2 C 19 1_555 hydrog WATSON-CRICK A G 4 A O6 G 4 1_555 A C 19 A N4 C 19 1_555 hydrog TYPE_28_PAIR A U 5 A N3 U 5 1_555 A G 18 A O6 G 18 1_555 hydrog TYPE_28_PAIR A U 5 A O2 U 5 1_555 A G 18 A N1 G 18 1_555 hydrog G-A MISPAIR A G 6 A O6 G 6 1_555 A A 16 A N6 A 16 1_555 hydrog WATSON-CRICK A G 6 A N1 G 6 1_555 A C 17 A N3 C 17 1_555 hydrog WATSON-CRICK A G 6 A N2 G 6 1_555 A C 17 A O2 C 17 1_555 hydrog WATSON-CRICK A G 6 A O6 G 6 1_555 A C 17 A N4 C 17 1_555 hydrog WATSON-CRICK A U 7 A N3 U 7 1_555 A A 16 A N1 A 16 1_555 hydrog WATSON-CRICK A U 7 A O4 U 7 1_555 A A 16 A N6 A 16 1_555 hydrog WATSON-CRICK A U 8 A N3 U 8 1_555 A A 15 A N1 A 15 1_555 hydrog WATSON-CRICK A U 8 A O4 U 8 1_555 A A 15 A N6 A 15 1_555 hydrog WATSON-CRICK A C 9 A N3 C 9 1_555 A G 14 A N1 G 14 1_555 hydrog WATSON-CRICK A C 9 A N4 C 9 1_555 A G 14 A O6 G 14 1_555 hydrog WATSON-CRICK A C 9 A O2 C 9 1_555 A G 14 A N2 G 14 1_555 hydrog A-A MISPAIR A A 10 A N3 A 10 1_555 A A 13 A N6 A 13 1_555 RNA RNA Tetraloop, RNA 1K6H PDB 1 1K6H 1 22 1K6H 1 22 1K6H A 1 1 22