1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Leeper, T.C. Schmidt, F.J. Van Doren, S.R. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 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 US Nat.Struct.Biol. NSBIEW 2024 1072-8368 9 397 403 11927952 Structure of the UGAGAU hexaloop that braces Bacillus RNase P for action. 2002 10.2210/pdb1jox/pdb pdb_00001jox 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 PL5.1 HAIRPIN FROM RNASE P RNA 6776.060 5'-R(*GP*GP*CP*GP*GP*UP*GP*CP*UP*GP*AP*GP*AP*UP*GP*CP*CP*CP*GP*UP*C)-3' 1 syn polymer no no GGCGGUGCUGAGAUGCCCGUC GGCGGUGCUGAGAUGCCCGUC A polyribonucleotide n n n n n n n n n n n n n n n n n n n n n 0.101 1 19 A 1 A 21 7.376 A_G1:C21_A 1 -6.466 -0.936 -0.065 -0.257 4.134 28 A 2 A 20 -16.019 A_G2:U20_A 2 -14.591 -1.090 0.351 -0.444 3.538 1 19 A 3 A 19 4.194 A_C3:G19_A 3 -14.530 0.219 0.412 -0.042 -5.888 1 19 A 4 A 18 6.798 A_G4:C18_A 4 -7.819 -0.945 0.122 -0.415 13.165 1 19 A 5 A 17 -17.043 A_G5:C17_A 5 -8.129 0.798 0.135 -0.290 3.379 1 A 7 A 16 -15.372 A_G7:C16_A 6 -7.386 -0.930 0.276 -0.335 -2.187 1 19 A 8 A 15 -11.003 A_C8:G15_A 7 -2.610 -0.364 -0.106 -0.035 3.591 26.655 A A 1 2 -16.857 A A 21 20 2.855 -7.607 -1.323 -2.278 AA_G1G2:U20C21_AA 1 -5.684 12.597 24.934 -2.913 1.353 3.077 34.215 A A 2 3 -5.392 A A 20 19 2.932 -3.167 0.395 -1.967 AA_G2C3:G19U20_AA 2 -1.544 2.629 34.038 -2.883 -0.895 0.487 33.814 A A 3 4 33.615 A A 19 18 2.372 18.517 -0.197 -2.836 AA_C3G4:C18G19_AA 3 -2.078 3.772 28.343 -6.307 0.178 2.167 40.229 A A 4 5 25.093 A A 18 17 2.416 16.765 -2.521 -0.403 AA_G4G5:C17C18_AA 4 -1.986 2.973 36.649 -1.987 3.500 2.409 45.347 A A 5 7 22.039 A A 17 16 3.112 16.125 -0.520 -1.280 AA_G5G7:C16C17_AA 5 -19.177 26.209 38.104 -2.987 -0.904 1.274 36.294 A A 7 8 43.748 A A 16 15 3.208 24.867 -0.016 -1.630 AA_G7C8:G15C16_AA 6 -1.421 2.500 26.611 -5.401 -0.133 database_2 pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Database references Derived calculations 1 0 2002-05-01 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession NMR structure of the LP5.1 hairpin from Bacillus RNase P RNA refined WITHOUT residual dipolar couplings. RCSB Y RCSB 2001-07-31 REL REL IN VITRO TRANSCRIPTION sample structures with the lowest energy 100 24 13C-separated-NOESY (Mixing times of 200 and 250 ms) NOESY (Mixing times of 80 and 140 ms) HCCH-TOCSY HCCH-COSY IPAP-HSQC 13C-Hetero-TOCSY 20 mM Sodium Phosphate 5.5 ambient 298 K 20 mM Sodium Phosphate 5.5 ambient 277 K 20 mM Sodium Phosphate 5.5 ambient 298 K 20 mM Sodium Phosphate 5.5 ambient 298 K 20 mM Sodium Phosphate 5.5 ambient 277 K 20 mM Sodium Phosphate 5.5 ambient 298 K residual dipolar coupling refinement torsion angle dynamics 1 closest to the average 1.0 mM PL5.1 hairpin RNA U-15N,13C, 20mM phosphate buffer NA, 100% D2O 100% D2O 1.0 mM PL5.1 hairpin RNA U-15N,13C, 20mM phosphate buffer NA, 8% H2O 92% D2O 8% H2O 92% D2O 2.5 mM PL5.1 hairpin RNA U-15N,13C U and A residues only, 20mM phosphate buffer NA, 100% D2O 100% D2O 1.8 mM PL5.1 hairpin RNA U-15N,13C A, C, and G residues only, 20mM phosphate buffer NA, 100% D2O 100% D2O 1.8 mM PL5.1 hairpin RNA U-15N,13C A, C, and G residues only, 20mM phosphate buffer NA, 8% H2O 92% D2O 8% H2O 92% D2O 1.8 mM PL5.1 hairpin RNA U-15N,13C A, C, and G residues only, 20mM phosphate buffer NA, 100% D2O with 5% PEG/Hexanol for orientation 100% D2O Brunger et. al refinement CNS 1.0 Brunger et. al structure solution CNS 1.0 500 Bruker DRX 600 Varian INOVA G 1 n 1 G 1 A G 2 n 2 G 2 A C 3 n 3 C 3 A G 4 n 4 G 4 A G 5 n 5 G 5 A U 6 n 6 U 6 A G 7 n 7 G 7 A C 8 n 8 C 8 A U 9 n 9 U 9 A G 10 n 10 G 10 A A 11 n 11 A 11 A G 12 n 12 G 12 A A 13 n 13 A 13 A U 14 n 14 U 14 A G 15 n 15 G 15 A C 16 n 16 C 16 A C 17 n 17 C 17 A C 18 n 18 C 18 A G 19 n 19 G 19 A U 20 n 20 U 20 A C 21 n 21 C 21 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 A H2' O4' C U 8 9 1.43 1 A A H2' O4' U G 14 15 1.44 1 A A HO2' O5' C U 8 9 1.47 1 A A H21 O2 G C 4 18 1.48 1 A A O2' H2' G A 12 13 1.52 1 A A H21 O2 G C 1 21 1.56 1 A A O6 H41 G C 5 17 1.57 1 A A H4' O5' G U 5 6 1.57 1 A A HO2' O5' G G 1 2 1.58 2 A A HO2' O5' G A 12 13 1.30 2 A A O2' HO2' U A 9 13 1.39 2 A A H21 O2 G C 4 18 1.49 2 A A N7 H5'' A A 11 13 1.52 2 A A O2 H21 C G 8 15 1.55 2 A A H2' O4' U G 14 15 1.56 2 A A H21 O2 G C 1 21 1.59 3 A A HO2' O5' G G 4 5 1.20 3 A A HO2' O5' G A 12 13 1.34 3 A A H2' O4' C U 8 9 1.45 3 A A HO2' O5' C U 8 9 1.51 3 A A HO2' O5' G A 10 11 1.51 3 A A H21 O2 G C 4 18 1.52 3 A A O2 H21 C G 8 15 1.53 3 A A H21 O2 G C 1 21 1.57 3 A A N7 H5'' A A 11 13 1.59 4 A A HO2' O5' G A 12 13 1.21 4 A A H2' O4' C U 8 9 1.43 4 A A H21 O2 G C 4 18 1.51 4 A A O2 H21 C G 3 19 1.51 4 A A H2' O4' U C 20 21 1.52 4 A A N7 H5'' A A 11 13 1.54 4 A A O2 H21 C G 8 15 1.55 4 A A HO2' O5' G G 1 2 1.56 4 A A H2' O4' U G 14 15 1.59 5 A A H2' O4' U G 14 15 1.45 5 A A H21 O2 G C 4 18 1.50 5 A A O2 H21 C G 8 15 1.57 5 A A H21 O2 G C 1 21 1.59 6 A A H2' O4' U G 14 15 1.47 6 A A H2' O4' C U 8 9 1.52 6 A A H21 O2 G C 4 18 1.52 6 A A HO2' O5' C U 8 9 1.53 6 A A HO2' O5' G A 12 13 1.53 6 A A O6 H41 G C 5 17 1.55 6 A A H21 O2 G C 1 21 1.59 6 A A O2' H8 G G 5 7 1.60 7 A A HO2' O5' G A 12 13 1.33 7 A A H2' O4' C U 8 9 1.41 7 A A HO2' O5' C U 8 9 1.50 7 A A H2' O4' U G 14 15 1.51 7 A A H21 O2 G C 4 18 1.51 7 A A H21 O2 G C 1 21 1.55 7 A A O2' H5' G C 7 8 1.57 7 A A O6 H41 G C 5 17 1.60 8 A A H2' O4' C U 8 9 1.43 8 A A H2' O4' U G 14 15 1.45 8 A A HO2' O5' C U 8 9 1.48 8 A A H21 O2 G C 4 18 1.51 8 A A O2' H2' G A 12 13 1.53 8 A A H21 O2 G C 1 21 1.57 8 A A O6 H41 G C 5 17 1.59 9 A A H2' O4' U G 14 15 1.47 9 A A H21 O2 G C 4 18 1.48 9 A A O2' H5' G G 5 7 1.50 9 A A H21 O2 G C 1 21 1.57 9 A A HO2' O5' C U 8 9 1.58 9 A A HO2' O5' G G 1 2 1.60 10 A A H2' O4' C U 8 9 1.46 10 A A H2' O4' U G 14 15 1.47 10 A A O4' H6 G U 5 6 1.48 10 A A H21 O2 G C 4 18 1.49 10 A A H22 O4 G U 4 6 1.50 10 A A HO2' O5' G A 12 13 1.55 10 A A O2' H5'' G G 5 7 1.58 11 A A H2' O4' C U 8 9 1.44 11 A A H2' O4' U G 14 15 1.49 11 A A H2' O4' U C 20 21 1.52 11 A A H21 O2 G C 4 18 1.52 11 A A O2 H21 C G 3 19 1.53 11 A A HO2' O5' G A 12 13 1.53 11 A A O2 H21 C G 8 15 1.56 11 A A H21 O2 G C 1 21 1.58 12 A A HO2' O5' C U 8 9 1.47 12 A A H2' O4' C U 8 9 1.48 12 A A HO2' O5' G A 12 13 1.50 12 A A H21 O2 G C 4 18 1.51 12 A A O2 H21 C G 3 19 1.54 12 A A O6 H41 G C 5 17 1.55 12 A A HO2' O4 U U 9 14 1.57 12 A A H41 O6 C G 8 15 1.60 12 A A HO2' O5' G G 1 2 1.60 12 A A H2' O4' U G 14 15 1.60 13 A A HO2' O5' G A 12 13 1.28 13 A A H2' O4' C U 8 9 1.45 13 A A HO2' O5' C U 8 9 1.51 13 A A H21 O2 G C 4 18 1.52 13 A A H2' O4' U G 14 15 1.54 13 A A O2 H21 C G 3 19 1.57 13 A A O6 H41 G C 5 17 1.57 13 A A HO2' O5' G G 1 2 1.58 14 A A HO2' O5' G A 12 13 1.41 14 A A H2' O4' C U 8 9 1.41 14 A A H21 O2 G C 4 18 1.48 14 A A HO2' O5' C U 8 9 1.49 14 A A O2 H21 C G 3 19 1.56 14 A A O6 H41 G C 5 17 1.57 14 A A H21 O2 G C 1 21 1.57 15 A A HO2' O5' G A 12 13 1.33 15 A A H21 O2 G C 4 18 1.52 15 A A O6 H41 G C 5 17 1.57 15 A A H21 O2 G C 1 21 1.60 16 A A H2' O4' C U 8 9 1.33 16 A A H2' O4' U G 14 15 1.34 16 A A H21 O2 G C 4 18 1.49 16 A A H21 O2 G C 1 21 1.58 16 A A O2 H21 C G 8 15 1.60 17 A A O5' HO2' G A 10 13 1.48 17 A A H21 O2 G C 4 18 1.52 17 A A O2 H21 C G 3 19 1.52 17 A A HO2' O5' G A 12 13 1.54 17 A A O2 H21 C G 8 15 1.54 17 A A H2' O4' U G 14 15 1.56 17 A A H21 O2 G C 1 21 1.57 18 A A O2' H5' G G 5 7 1.44 18 A A H2' O4' C U 8 9 1.47 18 A A H21 O2 G C 4 18 1.51 18 A A HO2' O5' C U 8 9 1.52 18 A A H2' O4' U G 14 15 1.57 18 A A H21 O2 G C 1 21 1.57 19 A A HO2' O5' G A 12 13 1.26 19 A A H21 O2 G C 4 18 1.46 19 A A H2' O4' C U 8 9 1.50 19 A A O2' H5'' G G 1 2 1.53 19 A A H2' O4' U C 20 21 1.53 19 A A H2' O4' U G 14 15 1.54 19 A A H21 O2 G C 1 21 1.55 19 A A O2 H21 C G 3 19 1.56 20 A A H21 O2 G C 4 18 1.51 20 A A H2' O4' C U 8 9 1.54 20 A A O2 H21 C G 8 15 1.56 20 A A H2' O4' U G 14 15 1.58 20 A A H21 O2 G C 1 21 1.59 21 A A H21 O2 G C 4 18 1.48 21 A A H2' O4' U G 14 15 1.49 21 A A H2' O4' C U 8 9 1.53 21 A A H21 O2 G C 1 21 1.58 21 A A O2 H21 C G 8 15 1.60 22 A A H2' O4' C U 8 9 1.45 22 A A HO2' O5' C U 8 9 1.49 22 A A H21 O2 G C 4 18 1.50 22 A A HO2' O5' U G 6 7 1.52 22 A A H2' O4' U G 14 15 1.55 22 A A O6 H41 G C 5 17 1.55 22 A A H21 O2 G C 1 21 1.57 23 A A H2' O4' C U 8 9 1.37 23 A A O2' H5' G G 5 7 1.40 23 A A H2' O4' U G 14 15 1.47 23 A A H21 O2 G C 4 18 1.50 23 A A H21 O2 G C 1 21 1.57 24 A A H2' O4' C U 8 9 1.43 24 A A H2' O4' U G 14 15 1.46 24 A A H4' O5' G U 5 6 1.52 24 A A HO2' O5' G A 12 13 1.52 24 A A H21 O2 G C 4 18 1.54 24 A A N7 H5'' A A 11 13 1.54 24 A A HO2' O5' C U 8 9 1.56 24 A A H21 O2 G C 1 21 1.57 24 A A O6 H41 G C 5 17 1.58 1 A G 5 0.061 SIDE CHAIN 4 A C 21 0.075 SIDE CHAIN 6 A G 5 0.072 SIDE CHAIN 11 A C 21 0.073 SIDE CHAIN 12 A G 5 0.055 SIDE CHAIN 13 A G 5 0.081 SIDE CHAIN 14 A G 5 0.069 SIDE CHAIN 15 A G 5 0.062 SIDE CHAIN 16 A C 21 0.063 SIDE CHAIN 17 A U 14 0.065 SIDE CHAIN 19 A G 2 0.077 SIDE CHAIN 19 A G 7 0.054 SIDE CHAIN 22 A G 5 0.075 SIDE CHAIN 24 A C 3 0.066 SIDE CHAIN 24 A G 5 0.064 SIDE CHAIN 1 -4.22 0.70 109.70 105.48 A A A C1' O4' C4' G G G 10 10 10 N 1 -5.28 0.70 101.30 96.02 A A A C3' C2' C1' A A A 11 11 11 N 1 -7.81 1.00 104.00 96.19 A A A O4' C4' C3' C C C 21 21 21 N 2 -5.20 0.70 109.70 104.50 A A A C1' O4' C4' G G G 10 10 10 N 2 -4.51 0.70 101.30 96.79 A A A C3' C2' C1' A A A 11 11 11 N 2 -8.42 1.00 104.00 95.58 A A A O4' C4' C3' C C C 21 21 21 N 3 -4.32 0.70 109.70 105.38 A A A C1' O4' C4' G G G 10 10 10 N 3 -5.21 0.70 101.30 96.09 A A A C3' C2' C1' A A A 11 11 11 N 3 -7.75 1.00 104.00 96.25 A A A O4' C4' C3' C C C 21 21 21 N 4 -5.05 0.70 109.70 104.65 A A A C1' O4' C4' G G G 10 10 10 N 4 -5.11 0.70 101.30 96.19 A A A C3' C2' C1' A A A 11 11 11 N 5 -4.69 0.70 109.70 105.01 A A A C1' O4' C4' G G G 10 10 10 N 5 -5.23 0.70 101.30 96.07 A A A C3' C2' C1' C C C 21 21 21 N 6 -5.25 0.70 109.70 104.45 A A A C1' O4' C4' G G G 10 10 10 N 6 -4.31 0.70 101.30 96.99 A A A C3' C2' C1' C C C 21 21 21 N 7 -4.56 0.70 109.70 105.14 A A A C1' O4' C4' G G G 10 10 10 N 7 -5.06 0.70 101.30 96.24 A A A C3' C2' C1' A A A 11 11 11 N 7 -8.17 1.00 104.00 95.83 A A A O4' C4' C3' C C C 21 21 21 N 8 -5.27 0.70 101.30 96.03 A A A C3' C2' C1' A A A 11 11 11 N 8 -8.43 1.00 104.00 95.57 A A A O4' C4' C3' C C C 21 21 21 N 9 -4.49 0.70 109.70 105.21 A A A C1' O4' C4' G G G 10 10 10 N 9 -8.46 1.00 104.00 95.54 A A A O4' C4' C3' C C C 21 21 21 N 10 -5.38 0.70 109.70 104.32 A A A C1' O4' C4' G G G 10 10 10 N 10 -4.51 0.70 101.30 96.79 A A A C3' C2' C1' A A A 11 11 11 N 10 -8.45 1.00 104.00 95.55 A A A O4' C4' C3' C C C 21 21 21 N 11 -4.96 0.70 109.70 104.74 A A A C1' O4' C4' G G G 10 10 10 N 11 -4.28 0.70 101.30 97.02 A A A C3' C2' C1' A A A 11 11 11 N 12 -4.90 0.70 101.30 96.40 A A A C3' C2' C1' A A A 11 11 11 N 12 -4.51 0.70 101.30 96.79 A A A C3' C2' C1' C C C 21 21 21 N 13 -4.38 0.70 109.70 105.32 A A A C1' O4' C4' G G G 10 10 10 N 13 -5.25 0.70 101.30 96.05 A A A C3' C2' C1' A A A 11 11 11 N 13 -8.57 1.00 104.00 95.43 A A A O4' C4' C3' C C C 21 21 21 N 14 -4.26 0.70 109.70 105.44 A A A C1' O4' C4' G G G 10 10 10 N 14 -5.43 0.70 101.30 95.87 A A A C3' C2' C1' A A A 11 11 11 N 14 -8.42 1.00 104.00 95.58 A A A O4' C4' C3' C C C 21 21 21 N 15 -5.11 0.70 101.30 96.19 A A A C3' C2' C1' A A A 11 11 11 N 15 -8.50 1.00 104.00 95.50 A A A O4' C4' C3' C C C 21 21 21 N 16 -6.18 1.00 102.60 96.42 A A A C4' C3' C2' A A A 11 11 11 N 16 -4.33 0.70 101.30 96.97 A A A C3' C2' C1' A A A 11 11 11 N 16 -7.53 1.00 104.00 96.47 A A A O4' C4' C3' C C C 21 21 21 N 17 -4.78 0.70 109.70 104.92 A A A C1' O4' C4' G G G 10 10 10 N 17 4.52 0.70 108.50 113.02 A A A O4' C1' N9 A A A 11 11 11 N 17 -7.97 1.00 104.00 96.03 A A A O4' C4' C3' C C C 21 21 21 N 18 -4.57 0.70 109.70 105.13 A A A C1' O4' C4' G G G 10 10 10 N 18 -5.15 0.70 101.30 96.15 A A A C3' C2' C1' A A A 11 11 11 N 18 -8.50 1.00 104.00 95.50 A A A O4' C4' C3' C C C 21 21 21 N 19 -4.38 0.70 109.70 105.32 A A A C1' O4' C4' G G G 10 10 10 N 19 -5.18 0.70 101.30 96.12 A A A C3' C2' C1' A A A 11 11 11 N 20 -4.86 0.70 109.70 104.84 A A A C1' O4' C4' G G G 10 10 10 N 20 5.50 0.70 108.50 114.00 A A A O4' C1' N9 A A A 11 11 11 N 20 -8.44 1.00 104.00 95.56 A A A O4' C4' C3' C C C 21 21 21 N 21 -5.12 0.70 109.70 104.58 A A A C1' O4' C4' G G G 10 10 10 N 21 -7.82 1.00 104.00 96.18 A A A O4' C4' C3' C C C 21 21 21 N 22 -4.70 0.70 109.70 105.00 A A A C1' O4' C4' G G G 10 10 10 N 22 -5.07 0.70 101.30 96.23 A A A C3' C2' C1' A A A 11 11 11 N 22 -8.06 1.00 104.00 95.94 A A A O4' C4' C3' C C C 21 21 21 N 23 -4.33 0.70 109.70 105.37 A A A C1' O4' C4' G G G 10 10 10 N 23 -8.49 1.00 104.00 95.51 A A A O4' C4' C3' C C C 21 21 21 N 24 -4.62 0.70 109.70 105.08 A A A C1' O4' C4' G G G 10 10 10 N 24 4.63 0.70 108.50 113.13 A A A O4' C1' N9 A A A 11 11 11 N 24 -8.53 1.00 104.00 95.47 A A A O4' C4' C3' C C C 21 21 21 N NMR Structure of the LP5.1 Hairpin from Bacillus RNase P RNA Refined with Residual Dipolar Couplings 1 N N hydrog WATSON-CRICK A G 1 A N1 G 1 1_555 A C 21 A N3 C 21 1_555 hydrog WATSON-CRICK A G 1 A N2 G 1 1_555 A C 21 A O2 C 21 1_555 hydrog WATSON-CRICK A G 1 A O6 G 1 1_555 A C 21 A N4 C 21 1_555 hydrog TYPE_28_PAIR A G 2 A N1 G 2 1_555 A U 20 A O2 U 20 1_555 hydrog TYPE_28_PAIR A G 2 A O6 G 2 1_555 A U 20 A N3 U 20 1_555 hydrog WATSON-CRICK A C 3 A N3 C 3 1_555 A G 19 A N1 G 19 1_555 hydrog WATSON-CRICK A C 3 A N4 C 3 1_555 A G 19 A O6 G 19 1_555 hydrog WATSON-CRICK A C 3 A O2 C 3 1_555 A G 19 A N2 G 19 1_555 hydrog G-C PAIR A G 4 A O6 G 4 1_555 A C 17 A N4 C 17 1_555 hydrog WATSON-CRICK A G 4 A N1 G 4 1_555 A C 18 A N3 C 18 1_555 hydrog WATSON-CRICK A G 4 A N2 G 4 1_555 A C 18 A O2 C 18 1_555 hydrog WATSON-CRICK A G 4 A O6 G 4 1_555 A C 18 A N4 C 18 1_555 hydrog WATSON-CRICK A G 5 A N1 G 5 1_555 A C 17 A N3 C 17 1_555 hydrog WATSON-CRICK A G 5 A N2 G 5 1_555 A C 17 A O2 C 17 1_555 hydrog WATSON-CRICK A G 5 A O6 G 5 1_555 A C 17 A N4 C 17 1_555 hydrog G-C PAIR A G 5 A N1 G 5 1_555 A C 18 A O2 C 18 1_555 hydrog G-C PAIR A G 7 A N1 G 7 1_555 A C 16 A O2 C 16 1_555 hydrog WATSON-CRICK A C 8 A N3 C 8 1_555 A G 15 A N1 G 15 1_555 hydrog WATSON-CRICK A C 8 A N4 C 8 1_555 A G 15 A O6 G 15 1_555 hydrog WATSON-CRICK A C 8 A O2 C 8 1_555 A G 15 A N2 G 15 1_555 RNA RIBONUCLEIC ACID, RNASE P, HAIRPIN, RESIDUAL DIPOLAR COUPLING REFINEMENT, UGNRAU, RNA 1JOX PDB 1 1JOX 1 21 1JOX 1 21 1JOX A 1 1 21