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/pdb1k6g/pdb pdb_00001k6g 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 7065.242 RNA (5'-R(P*GP*GP*CP*GP*UP*CP*AP*UP*GP*AP*GP*UP*CP*CP*AP*UP*GP*GP*CP*GP*CP*C)-3') 1 syn polymer no no GGCGUCAUGAGUCCAUGGCGCC GGCGUCAUGAGUCCAUGGCGCC A polyribonucleotide n n n n n n n n n n n n n n n n n n n n n n -14.908 1 19 A 1 A 22 -2.475 A_G1:C22_A 1 -18.949 0.245 -0.242 0.060 -6.271 1 19 A 2 A 21 -1.260 A_G2:C21_A 2 -17.402 -0.732 0.303 -0.166 -1.825 1 19 A 3 A 20 -2.749 A_C3:G20_A 3 -20.001 0.862 0.405 -0.290 -8.501 1 19 A 4 A 19 -2.384 A_G4:C19_A 4 -27.405 0.186 0.313 -0.032 -3.407 1 28 A 5 A 18 -1.316 A_U5:G18_A 5 -19.800 1.544 0.678 -0.450 -2.421 1 19 A 6 A 17 -3.266 A_C6:G17_A 6 -19.814 0.720 0.458 -0.271 -1.186 1 20 A 7 A 16 -6.217 A_A7:U16_A 7 -21.167 -0.068 0.333 -0.023 1.224 1 20 A 8 A 15 0.039 A_U8:A15_A 8 -19.334 0.335 0.544 -0.083 8.498 1 19 A 9 A 14 -0.529 A_G9:C14_A 9 -6.104 0.138 -0.202 0.010 10.393 6 A 10 A 13 13.493 A_A10:C13_A 10 -5.808 7.159 0.769 -4.726 2.329 28.831 A A 1 2 14.110 A A 22 21 2.798 6.936 0.026 -1.521 AA_G1G2:C21C22_AA 1 -4.062 8.263 27.710 -4.294 -0.777 2.965 40.601 A A 2 3 3.461 A A 21 20 3.038 2.400 -0.082 -1.198 AA_G2C3:G20C21_AA 2 0.160 -0.230 40.533 -1.972 0.134 2.055 35.988 A A 3 4 27.011 A A 20 19 2.978 16.100 0.070 -1.413 AA_C3G4:C19G20_AA 3 3.771 -6.327 32.077 -4.160 0.325 2.916 37.352 A A 4 5 3.909 A A 19 18 3.017 2.502 0.276 -1.361 AA_G4U5:G18C19_AA 4 -0.931 1.455 37.259 -2.424 -0.543 2.331 32.319 A A 5 6 11.533 A A 18 17 2.805 6.358 -0.148 -1.946 AA_U5C6:G17G18_AA 5 4.620 -8.379 31.374 -4.394 0.918 1.452 30.929 A A 6 7 28.863 A A 17 16 2.771 14.781 -0.350 -2.066 AA_C6A7:U16G17_AA 6 1.879 -3.670 27.181 -5.847 0.906 2.966 35.283 A A 7 8 2.364 A A 16 15 3.060 1.431 0.109 -1.815 AA_A7U8:A15U16_AA 7 -3.047 5.034 35.127 -3.190 -0.596 1.699 36.035 A A 8 9 31.533 A A 15 14 2.757 18.612 -0.616 -1.296 AA_U8G9:C14A15_AA 8 1.606 -2.721 30.953 -4.043 1.164 3.050 60.128 A A 9 10 20.150 A A 14 13 3.237 19.874 0.395 -0.139 AA_G9A10:C13C14_AA 9 1.202 -1.218 57.029 -1.111 -0.335 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 STRUCTURE 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 10 mM Na Phosphate 6.4 ambient 293 K 10 mM Na Phosphate 6.4 ambient 278 K 10 mM Na Phosphate 6.4 ambient 293 K 10 mM Na Phosphate 6.4 ambient 278 K simulated annealing 1 1mM RNA, 10mM Na Phosphate, pH 6.4 100% D2O 1mM RNA, 10mM Na Phosphate, pH 6.4 95% H20-5% D20 1mM RNA, 15N,13C, 10mM Na Phosphate, pH 6.4 100% D2O 1mM RNA, 15N,13C, 10mM Na Phosphate, pH 6.4 95% H20-5% D20 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 C6 7 n 6 C 6 A A7 8 n 7 A 7 A U8 9 n 8 U 8 A G9 10 n 9 G 9 A A10 11 n 10 A 10 A G11 12 n 11 G 11 A U12 13 n 12 U 12 A C13 14 n 13 C 13 A C14 15 n 14 C 14 A A15 16 n 15 A 15 A U16 17 n 16 U 16 A G17 18 n 17 G 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 4 0.065 SIDE CHAIN 1 A A 7 0.068 SIDE CHAIN 1 A A 10 0.064 SIDE CHAIN 1 A G 20 0.084 SIDE CHAIN 2 A G 4 0.070 SIDE CHAIN 2 A A 7 0.077 SIDE CHAIN 2 A A 10 0.072 SIDE CHAIN 2 A G 18 0.065 SIDE CHAIN 2 A G 20 0.082 SIDE CHAIN 3 A G 2 0.057 SIDE CHAIN 3 A G 4 0.071 SIDE CHAIN 3 A A 7 0.086 SIDE CHAIN 3 A U 8 0.069 SIDE CHAIN 3 A A 10 0.068 SIDE CHAIN 3 A G 11 0.074 SIDE CHAIN 3 A U 12 0.101 SIDE CHAIN 3 A G 18 0.056 SIDE CHAIN 3 A G 20 0.090 SIDE CHAIN 4 A A 7 0.074 SIDE CHAIN 4 A G 20 0.075 SIDE CHAIN 5 A A 7 0.081 SIDE CHAIN 5 A A 10 0.060 SIDE CHAIN 5 A G 18 0.059 SIDE CHAIN 6 A G 4 0.055 SIDE CHAIN 6 A A 7 0.072 SIDE CHAIN 6 A G 20 0.081 SIDE CHAIN 7 A G 4 0.072 SIDE CHAIN 7 A A 7 0.074 SIDE CHAIN 7 A G 18 0.061 SIDE CHAIN 7 A G 20 0.085 SIDE CHAIN 8 A A 7 0.056 SIDE CHAIN 8 A A 10 0.060 SIDE CHAIN 8 A G 17 0.063 SIDE CHAIN 9 A G 11 0.050 SIDE CHAIN 9 A G 17 0.072 SIDE CHAIN 9 A G 20 0.074 SIDE CHAIN 10 A A 7 0.064 SIDE CHAIN 10 A G 20 0.077 SIDE CHAIN 11 A A 7 0.060 SIDE CHAIN 11 A G 18 0.067 SIDE CHAIN 11 A G 20 0.065 SIDE CHAIN 12 A G 11 0.068 SIDE CHAIN 12 A G 20 0.075 SIDE CHAIN 13 A A 7 0.082 SIDE CHAIN 13 A A 10 0.070 SIDE CHAIN 13 A U 12 0.073 SIDE CHAIN 13 A C 13 0.056 SIDE CHAIN 13 A G 18 0.066 SIDE CHAIN 14 A A 7 0.075 SIDE CHAIN 14 A G 18 0.063 SIDE CHAIN 15 A A 7 0.080 SIDE CHAIN 15 A U 8 0.068 SIDE CHAIN 15 A G 11 0.078 SIDE CHAIN 15 A G 18 0.057 SIDE CHAIN 15 A G 20 0.076 SIDE CHAIN 16 A G 4 0.057 SIDE CHAIN 16 A A 7 0.068 SIDE CHAIN 16 A A 10 0.064 SIDE CHAIN 16 A G 18 0.072 SIDE CHAIN 17 A A 7 0.082 SIDE CHAIN 17 A G 18 0.062 SIDE CHAIN 17 A G 20 0.073 SIDE CHAIN 18 A G 9 0.058 SIDE CHAIN 18 A G 11 0.088 SIDE CHAIN 18 A G 20 0.071 SIDE CHAIN 19 A A 7 0.077 SIDE CHAIN 19 A U 8 0.064 SIDE CHAIN 19 A A 10 0.063 SIDE CHAIN 19 A G 11 0.075 SIDE CHAIN 19 A G 18 0.057 SIDE CHAIN 19 A G 20 0.063 SIDE CHAIN 20 A A 10 0.068 SIDE CHAIN 1 4.62 0.70 108.50 113.12 A A A O4' C1' N1 C C C 3 3 3 N 1 4.43 0.70 108.50 112.93 A A A O4' C1' N9 G G G 11 11 11 N 1 4.54 0.70 108.50 113.04 A A A O4' C1' N1 C C C 14 14 14 N 1 4.56 0.70 108.50 113.06 A A A O4' C1' N1 C C C 19 19 19 N 2 4.60 0.70 108.50 113.10 A A A O4' C1' N1 C C C 3 3 3 N 2 4.62 0.70 108.50 113.12 A A A O4' C1' N1 U U U 5 5 5 N 2 4.49 0.70 108.50 112.99 A A A O4' C1' N1 C C C 6 6 6 N 2 4.93 0.70 108.50 113.43 A A A O4' C1' N9 G G G 11 11 11 N 2 5.36 0.70 108.50 113.86 A A A O4' C1' N1 C C C 13 13 13 N 2 4.31 0.70 108.50 112.81 A A A O4' C1' N1 C C C 14 14 14 N 2 4.46 0.70 108.50 112.96 A A A O4' C1' N1 C C C 19 19 19 N 3 4.45 0.70 108.50 112.95 A A A O4' C1' N1 C C C 3 3 3 N 3 4.84 0.70 108.50 113.34 A A A O4' C1' N1 C C C 6 6 6 N 3 4.86 0.70 108.50 113.36 A A A O4' C1' N9 G G G 11 11 11 N 3 5.26 0.70 108.50 113.76 A A A O4' C1' N1 U U U 12 12 12 N 3 5.01 0.70 108.50 113.51 A A A O4' C1' N1 C C C 13 13 13 N 3 4.52 0.70 108.50 113.02 A A A O4' C1' N1 C C C 14 14 14 N 3 4.36 0.70 108.50 112.86 A A A O4' C1' N1 C C C 19 19 19 N 4 4.58 0.70 108.50 113.08 A A A O4' C1' N1 C C C 3 3 3 N 4 4.58 0.70 108.50 113.08 A A A O4' C1' N1 C C C 6 6 6 N 4 5.23 0.70 108.50 113.73 A A A O4' C1' N9 G G G 11 11 11 N 4 4.40 0.70 108.50 112.90 A A A O4' C1' N1 C C C 13 13 13 N 4 4.75 0.70 108.50 113.25 A A A O4' C1' N1 C C C 14 14 14 N 4 5.37 0.70 108.50 113.87 A A A O4' C1' N1 U U U 16 16 16 N 4 5.23 0.70 108.50 113.73 A A A O4' C1' N9 G G G 17 17 17 N 4 4.75 0.70 108.50 113.25 A A A O4' C1' N1 C C C 19 19 19 N 4 4.48 0.70 108.50 112.98 A A A O4' C1' N1 C C C 21 21 21 N 5 4.55 0.70 108.50 113.05 A A A O4' C1' N1 C C C 3 3 3 N 5 4.38 0.70 108.50 112.88 A A A O4' C1' N1 U U U 5 5 5 N 5 4.71 0.70 108.50 113.21 A A A O4' C1' N9 G G G 11 11 11 N 5 4.49 0.70 108.50 112.99 A A A O4' C1' N1 C C C 13 13 13 N 5 4.35 0.70 108.50 112.85 A A A O4' C1' N1 C C C 19 19 19 N 5 4.50 0.70 108.50 113.00 A A A O4' C1' N1 C C C 21 21 21 N 6 4.38 0.70 108.50 112.88 A A A O4' C1' N1 C C C 3 3 3 N 6 4.73 0.70 108.50 113.23 A A A O4' C1' N1 C C C 6 6 6 N 6 4.49 0.70 108.50 112.99 A A A O4' C1' N9 G G G 11 11 11 N 6 4.20 0.70 108.50 112.70 A A A O4' C1' N1 U U U 12 12 12 N 6 4.26 0.70 108.50 112.76 A A A O4' C1' N1 C C C 14 14 14 N 6 4.73 0.70 108.50 113.23 A A A O4' C1' N1 C C C 19 19 19 N 6 4.45 0.70 108.50 112.95 A A A O4' C1' N1 C C C 21 21 21 N 7 4.63 0.70 108.50 113.13 A A A O4' C1' N1 C C C 3 3 3 N 7 4.58 0.70 108.50 113.08 A A A O4' C1' N1 U U U 5 5 5 N 7 4.71 0.70 108.50 113.21 A A A O4' C1' N1 C C C 6 6 6 N 7 4.74 0.70 108.50 113.24 A A A O4' C1' N9 G G G 11 11 11 N 7 4.70 0.70 108.50 113.20 A A A O4' C1' N1 C C C 14 14 14 N 7 4.52 0.70 108.50 113.02 A A A O4' C1' N1 C C C 19 19 19 N 8 4.70 0.70 108.50 113.20 A A A O4' C1' N1 C C C 3 3 3 N 8 4.36 0.70 108.50 112.86 A A A O4' C1' N1 U U U 5 5 5 N 8 4.62 0.70 108.50 113.12 A A A O4' C1' N9 G G G 11 11 11 N 8 4.34 0.70 108.50 112.84 A A A O4' C1' N1 C C C 13 13 13 N 8 4.63 0.70 108.50 113.13 A A A O4' C1' N1 C C C 14 14 14 N 8 4.25 0.70 108.50 112.75 A A A O4' C1' N1 C C C 19 19 19 N 8 4.55 0.70 108.50 113.05 A A A O4' C1' N1 C C C 21 21 21 N 9 4.48 0.70 108.50 112.98 A A A O4' C1' N1 C C C 3 3 3 N 9 4.32 0.70 108.50 112.82 A A A O4' C1' N1 C C C 6 6 6 N 9 5.63 0.70 108.50 114.13 A A A O4' C1' N9 G G G 11 11 11 N 9 4.30 0.70 108.50 112.80 A A A O4' C1' N1 C C C 13 13 13 N 9 5.21 0.70 108.50 113.71 A A A O4' C1' N1 C C C 14 14 14 N 9 4.90 0.70 108.50 113.40 A A A O4' C1' N1 U U U 16 16 16 N 9 5.20 0.70 108.50 113.70 A A A O4' C1' N1 C C C 19 19 19 N 9 4.36 0.70 108.50 112.86 A A A O4' C1' N1 C C C 21 21 21 N 10 4.46 0.70 108.50 112.96 A A A O4' C1' N1 C C C 3 3 3 N 10 4.33 0.70 108.50 112.83 A A A O4' C1' N1 U U U 5 5 5 N 10 4.79 0.70 108.50 113.29 A A A O4' C1' N1 C C C 6 6 6 N 10 5.22 0.70 108.50 113.72 A A A O4' C1' N9 G G G 11 11 11 N 10 4.56 0.70 108.50 113.06 A A A O4' C1' N1 C C C 13 13 13 N 10 4.81 0.70 108.50 113.31 A A A O4' C1' N1 C C C 14 14 14 N 10 4.47 0.70 108.50 112.97 A A A O4' C1' N1 C C C 19 19 19 N 11 4.78 0.70 108.50 113.28 A A A O4' C1' N1 C C C 3 3 3 N 11 4.72 0.70 108.50 113.22 A A A O4' C1' N9 G G G 11 11 11 N 11 6.00 0.70 108.50 114.50 A A A O4' C1' N1 C C C 13 13 13 N 11 4.33 0.70 108.50 112.83 A A A O4' C1' N1 C C C 14 14 14 N 11 4.44 0.70 108.50 112.94 A A A O4' C1' N1 C C C 21 21 21 N 12 4.42 0.70 108.50 112.92 A A A O4' C1' N1 C C C 3 3 3 N 12 5.30 0.70 108.50 113.80 A A A O4' C1' N9 G G G 11 11 11 N 12 4.43 0.70 108.50 112.93 A A A O4' C1' N1 C C C 13 13 13 N 12 7.78 0.70 108.50 116.28 A A A O4' C1' N1 C C C 14 14 14 N 12 4.57 0.70 108.50 113.07 A A A O4' C1' N1 U U U 16 16 16 N 12 4.34 0.70 108.50 112.84 A A A O4' C1' N1 C C C 19 19 19 N 12 4.58 0.70 108.50 113.08 A A A O4' C1' N1 C C C 21 21 21 N 13 4.67 0.70 108.50 113.17 A A A O4' C1' N1 C C C 3 3 3 N 13 4.75 0.70 108.50 113.25 A A A O4' C1' N9 G G G 11 11 11 N 13 4.67 0.70 108.50 113.17 A A A O4' C1' N1 U U U 12 12 12 N 13 6.12 0.70 108.50 114.62 A A A O4' C1' N1 C C C 13 13 13 N 13 4.86 0.70 108.50 113.36 A A A O4' C1' N1 C C C 14 14 14 N 13 4.71 0.70 108.50 113.21 A A A O4' C1' N1 C C C 21 21 21 N 14 4.91 0.70 108.50 113.41 A A A O4' C1' N1 C C C 3 3 3 N 14 4.87 0.70 108.50 113.37 A A A O4' C1' N9 G G G 11 11 11 N 14 4.22 0.70 108.50 112.72 A A A O4' C1' N1 C C C 13 13 13 N 14 4.51 0.70 108.50 113.01 A A A O4' C1' N1 C C C 14 14 14 N 14 4.60 0.70 108.50 113.10 A A A O4' C1' N1 U U U 16 16 16 N 14 4.49 0.70 108.50 112.99 A A A O4' C1' N1 C C C 21 21 21 N 15 4.82 0.70 108.50 113.32 A A A O4' C1' N1 C C C 3 3 3 N 15 5.14 0.70 108.50 113.64 A A A O4' C1' N9 G G G 11 11 11 N 15 5.12 0.70 108.50 113.62 A A A O4' C1' N1 C C C 13 13 13 N 15 7.76 0.70 108.50 116.26 A A A O4' C1' N1 C C C 14 14 14 N 15 4.29 0.70 108.50 112.79 A A A O4' C1' N1 U U U 16 16 16 N 15 4.29 0.70 108.50 112.79 A A A O4' C1' N1 C C C 19 19 19 N 16 4.92 0.70 108.50 113.42 A A A O4' C1' N1 C C C 3 3 3 N 16 4.84 0.70 108.50 113.34 A A A O4' C1' N9 G G G 11 11 11 N 16 5.97 0.70 108.50 114.47 A A A O4' C1' N1 C C C 13 13 13 N 16 4.67 0.70 108.50 113.17 A A A O4' C1' N1 C C C 14 14 14 N 16 4.57 0.70 108.50 113.07 A A A O4' C1' N1 C C C 21 21 21 N 17 4.86 0.70 108.50 113.36 A A A O4' C1' N1 C C C 3 3 3 N 17 4.35 0.70 108.50 112.85 A A A O4' C1' N1 U U U 5 5 5 N 17 5.58 0.70 108.50 114.08 A A A O4' C1' N9 G G G 11 11 11 N 17 5.26 0.70 108.50 113.76 A A A O4' C1' N1 C C C 13 13 13 N 17 4.37 0.70 108.50 112.87 A A A O4' C1' N1 C C C 14 14 14 N 17 4.56 0.70 108.50 113.06 A A A O4' C1' N1 U U U 16 16 16 N 17 4.39 0.70 108.50 112.89 A A A O4' C1' N1 C C C 19 19 19 N 17 4.24 0.70 108.50 112.74 A A A O4' C1' N1 C C C 21 21 21 N 18 5.09 0.70 108.50 113.59 A A A O4' C1' N1 C C C 3 3 3 N 18 4.23 0.70 108.50 112.73 A A A O4' C1' N1 U U U 8 8 8 N 18 4.24 0.70 108.50 112.74 A A A O4' C1' N9 G G G 9 9 9 N 18 4.47 0.70 108.50 112.97 A A A O4' C1' N9 G G G 11 11 11 N 18 4.93 0.70 108.50 113.43 A A A O4' C1' N1 C C C 14 14 14 N 18 5.62 0.70 108.50 114.12 A A A O4' C1' N1 U U U 16 16 16 N 18 4.64 0.70 108.50 113.14 A A A O4' C1' N9 G G G 17 17 17 N 18 4.31 0.70 108.50 112.81 A A A O4' C1' N1 C C C 21 21 21 N 19 4.74 0.70 108.50 113.24 A A A O4' C1' N1 C C C 3 3 3 N 19 4.49 0.70 108.50 112.99 A A A O4' C1' N1 U U U 5 5 5 N 19 4.58 0.70 108.50 113.08 A A A O4' C1' N9 G G G 11 11 11 N 19 5.45 0.80 101.50 106.95 A A A C3' C2' C1' C C C 13 13 13 N 19 5.30 0.70 108.50 113.80 A A A O4' C1' N1 C C C 13 13 13 N 19 5.34 0.70 108.50 113.84 A A A O4' C1' N1 C C C 14 14 14 N 19 4.36 0.70 108.50 112.86 A A A O4' C1' N1 C C C 19 19 19 N 19 4.68 0.70 108.50 113.18 A A A O4' C1' N1 C C C 21 21 21 N 20 4.74 0.70 108.50 113.24 A A A O4' C1' N1 C C C 3 3 3 N 20 4.31 0.70 108.50 112.81 A A A O4' C1' N1 U U U 5 5 5 N 20 4.65 0.70 108.50 113.15 A A A O4' C1' N1 C C C 6 6 6 N 20 5.53 0.70 108.50 114.03 A A A O4' C1' N9 G G G 11 11 11 N 20 7.55 0.70 108.50 116.05 A A A O4' C1' N1 C C C 13 13 13 N 20 4.94 0.70 108.50 113.44 A A A O4' C1' N1 C C C 14 14 14 N 20 4.43 0.70 108.50 112.93 A A A O4' C1' N1 U U U 16 16 16 N 20 4.23 0.70 108.50 112.73 A A A O4' C1' N1 C C C 19 19 19 N 20 4.60 0.70 108.50 113.10 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 WATSON-CRICK A C 6 A N3 C 6 1_555 A G 17 A N1 G 17 1_555 hydrog WATSON-CRICK A C 6 A N4 C 6 1_555 A G 17 A O6 G 17 1_555 hydrog WATSON-CRICK A C 6 A O2 C 6 1_555 A G 17 A N2 G 17 1_555 hydrog WATSON-CRICK A A 7 A N1 A 7 1_555 A U 16 A N3 U 16 1_555 hydrog WATSON-CRICK A A 7 A N6 A 7 1_555 A U 16 A O4 U 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 G 9 A N1 G 9 1_555 A C 14 A N3 C 14 1_555 hydrog WATSON-CRICK A G 9 A N2 G 9 1_555 A C 14 A O2 C 14 1_555 hydrog WATSON-CRICK A G 9 A O6 G 9 1_555 A C 14 A N4 C 14 1_555 hydrog A-C MISPAIR A A 10 A N3 A 10 1_555 A C 13 A N4 C 13 1_555 RNA RNA Tetraloop, RNA 1K6G PDB 1 1K6G 1 22 1K6G 1 22 1K6G A 1 1 22