1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Allain, F.H.-T. Varani, G. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 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 J.Mol.Biol. JMOBAK 0070 0022-2836 250 333 353 10.1006/jmbi.1995.0381 7608979 Structure of the P1 helix from group I self-splicing introns. 1995 UK Nucleic Acids Res. NARHAD 0389 0305-1048 23 341 Divalent Metal Ion Binding to a Conserved Wobble Pair Defining the Upstream Site of Cleavage of Group I Self-Splicing Introns 1995 10.2210/pdb1hlx/pdb pdb_00001hlx 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 GROUP I SELF-SPLICING INTRON, CONTAINING A UUCG TETRALOOP HAIRPIN AND A U(DOT)G WOBBLE PAIR WITHIN A DOUBLE HELIX 6376.799 RNA (5'-R(*GP*GP*GP*AP*UP*AP*AP*CP*UP*UP*CP*GP*GP*UP*UP*GP*UP*CP*CP*C)-3') 1 syn polymer RIBONUCLEIC ACID P1 no no GGGAUAACUUCGGUUGUCCC GGGAUAACUUCGGUUGUCCC A polyribonucleotide n n n n n n n n n n n n n n n n n n n n -24.050 1 19 A 1 A 20 -7.567 A_G1:C20_A 1 -17.785 -1.441 0.356 -0.579 -17.421 1 19 A 2 A 19 -0.219 A_G2:C19_A 2 -22.395 -1.105 0.310 -0.339 -1.371 1 19 A 3 A 18 4.531 A_G3:C18_A 3 4.739 -1.202 1.221 -0.605 -12.753 1 20 A 4 A 17 9.114 A_A4:U17_A 4 -20.776 -0.254 -0.513 -0.120 3.574 1 28 A 5 A 16 4.225 A_U5:G16_A 5 -3.348 2.368 0.087 -0.468 -5.302 1 20 A 6 A 15 0.595 A_A6:U15_A 6 -20.615 0.670 -0.592 -0.117 2.008 1 20 A 7 A 14 -2.802 A_A7:U14_A 7 -8.137 0.261 -1.315 -0.405 24.825 1 19 A 8 A 13 2.252 A_C8:G13_A 8 -6.867 1.300 -1.908 -0.689 1.013 2 A 9 A 12 -92.063 A_U9:G12_A 9 -19.283 0.727 -0.015 -5.877 2.930 38.665 A A 1 2 11.144 A A 20 19 3.076 7.330 -0.007 -0.476 AA_G1G2:C19C20_AA 1 -2.943 4.475 37.880 -1.555 -0.325 2.189 36.764 A A 2 3 21.406 A A 19 18 2.735 12.985 -0.096 -0.765 AA_G2G3:C18C19_AA 2 -11.795 19.444 32.436 -2.637 -1.140 2.973 43.377 A A 3 4 31.760 A A 18 17 3.790 22.189 0.831 -0.794 AA_G3A4:U17C18_AA 3 10.741 -15.374 35.972 -3.540 0.069 2.729 39.071 A A 4 5 17.672 A A 17 16 2.859 11.639 -0.354 -0.099 AA_A4U5:G16U17_AA 4 -3.264 4.956 37.224 -1.376 0.185 2.630 38.044 A A 5 6 25.247 A A 16 15 3.412 15.632 0.532 -1.129 AA_U5A6:U15G16_AA 5 13.423 -21.680 32.157 -3.736 0.905 3.438 27.859 A A 6 7 3.230 A A 15 14 3.480 1.554 0.016 -0.629 AA_A6A7:U14U15_AA 6 1.067 -2.217 27.797 -1.699 0.237 2.744 33.243 A A 7 8 0.884 A A 14 13 2.747 0.505 0.254 -0.951 AA_A7C8:G13U14_AA 7 3.513 -6.151 33.059 -1.733 0.050 3.336 90.492 A A 8 9 13.166 A A 13 12 3.481 18.568 -0.956 0.296 AA_C8U9:G12G13_AA 8 14.159 -10.040 88.066 -0.186 0.974 database_2 pdbx_database_status pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Database references Derived calculations Other 1 0 1995-09-15 1 1 2008-03-24 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site Y BNL 1995-05-03 REL REL IN VITRO TRANSCRIPTION sample 581 20 THE RNA SAMPLE WAS OBTAINED BY IN VITRO TRANSCRIPTION USING THE T7 RNA POLYMERASE AND A DOUBLE STRANDED DNA TEMPLATE. THE RNA WAS THEN PURIFIED BY GEL ELECTROPHORESIS. structures with the least restraint violations 30 20 NUMBER OF ATOMS USED IN REFINEMENT. NUMBER OF PROTEIN ATOMS 0 NUMBER OF NUCLEIC ACID ATOMS 637 NUMBER OF HETEROGEN ATOMS 0 NUMBER OF SOLVENT ATOMS 0 X-PLOR STANDARD BOND LENGTHS AND ANGLES. ANGLES IN THE SUGAR RING WERE MODIFIED ACCORDING TO THE VALUES FOUND IN "PRINCIPLE OF NUCLEIC ACID STRUCTURE" BY SAENGER. STARTING WITH 30 STRUCTURES WITH RANDOMIZED BACKBONE TORSION ANGLES, 20 STRUCTURES WERE FOUND TO HAVE CONVERGED AFTER A PERIOD OF SIMULATED ANNEALING WITH ONLY NOE-DERIVED (581) AND H-BOND CONSTRAINTS (20) FOLLOWED BY A PERIOD OF REFINEMENT WHERE 100 DIHEDRAL CONSTRAINTS DERIVED FROM J COUPLING ANALYSIS AND PHOSPHORUS CHEMICAL SHIFT VALUE WERE ADDED. NO DIHEDRAL ANGLE VIOLATIONS AND 0-2 NOE VIOLATIONS BETWEEN 0.1 - 0.3 ANGSTROMS WERE FOUND IN EACH OF THE 20 CONVERGED STRUCTURES. BRUNGER refinement X-PLOR 3.1 G 1 n 1 G 1 A G 2 n 2 G 2 A G 3 n 3 G 3 A A 4 n 4 A 4 A U 5 n 5 U 5 A A 6 n 6 A 6 A A 7 n 7 A 7 A C 8 n 8 C 8 A U 9 n 9 U 9 A U 10 n 10 U 10 A C 11 n 11 C 11 A G 12 n 12 G 12 A G 13 n 13 G 13 A U 14 n 14 U 14 A U 15 n 15 U 15 A G 16 n 16 G 16 A U 17 n 17 U 17 A C 18 n 18 C 18 A C 19 n 19 C 19 A C 20 n 20 C 20 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 4.56 0.50 113.10 117.66 A A A N7 C8 N9 G G G 1 1 1 N 1 -2.74 0.40 106.40 103.66 A A A C8 N9 C4 G G G 1 1 1 N 1 4.52 0.50 113.10 117.62 A A A N7 C8 N9 G G G 2 2 2 N 1 -2.70 0.40 106.40 103.70 A A A C8 N9 C4 G G G 2 2 2 N 1 4.53 0.50 113.10 117.63 A A A N7 C8 N9 G G G 3 3 3 N 1 -2.68 0.40 106.40 103.72 A A A C8 N9 C4 G G G 3 3 3 N 1 3.70 0.50 113.80 117.50 A A A N7 C8 N9 A A A 4 4 4 N 1 3.81 0.50 113.80 117.61 A A A N7 C8 N9 A A A 6 6 6 N 1 3.71 0.50 113.80 117.51 A A A N7 C8 N9 A A A 7 7 7 N 1 4.57 0.50 113.10 117.67 A A A N7 C8 N9 G G G 12 12 12 N 1 -2.68 0.40 106.40 103.72 A A A C8 N9 C4 G G G 12 12 12 N 1 4.53 0.50 113.10 117.63 A A A N7 C8 N9 G G G 13 13 13 N 1 -2.65 0.40 106.40 103.75 A A A C8 N9 C4 G G G 13 13 13 N 1 4.58 0.50 113.10 117.68 A A A N7 C8 N9 G G G 16 16 16 N 1 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 16 16 16 N 2 4.57 0.50 113.10 117.67 A A A N7 C8 N9 G G G 1 1 1 N 2 -2.68 0.40 106.40 103.72 A A A C8 N9 C4 G G G 1 1 1 N 2 4.58 0.50 113.10 117.68 A A A N7 C8 N9 G G G 2 2 2 N 2 -2.66 0.40 106.40 103.74 A A A C8 N9 C4 G G G 2 2 2 N 2 4.57 0.50 113.10 117.67 A A A N7 C8 N9 G G G 3 3 3 N 2 -2.76 0.40 106.40 103.64 A A A C8 N9 C4 G G G 3 3 3 N 2 3.68 0.50 113.80 117.48 A A A N7 C8 N9 A A A 4 4 4 N 2 3.70 0.50 113.80 117.50 A A A N7 C8 N9 A A A 6 6 6 N 2 3.67 0.50 113.80 117.47 A A A N7 C8 N9 A A A 7 7 7 N 2 4.77 0.50 113.10 117.87 A A A N7 C8 N9 G G G 12 12 12 N 2 -2.88 0.40 106.40 103.52 A A A C8 N9 C4 G G G 12 12 12 N 2 4.49 0.50 113.10 117.59 A A A N7 C8 N9 G G G 13 13 13 N 2 -2.67 0.40 106.40 103.73 A A A C8 N9 C4 G G G 13 13 13 N 2 4.45 0.50 113.10 117.55 A A A N7 C8 N9 G G G 16 16 16 N 2 -2.63 0.40 106.40 103.77 A A A C8 N9 C4 G G G 16 16 16 N 3 4.56 0.50 113.10 117.66 A A A N7 C8 N9 G G G 1 1 1 N 3 -2.70 0.40 106.40 103.70 A A A C8 N9 C4 G G G 1 1 1 N 3 4.51 0.50 113.10 117.61 A A A N7 C8 N9 G G G 2 2 2 N 3 -2.62 0.40 106.40 103.78 A A A C8 N9 C4 G G G 2 2 2 N 3 4.50 0.50 113.10 117.60 A A A N7 C8 N9 G G G 3 3 3 N 3 -2.64 0.40 106.40 103.76 A A A C8 N9 C4 G G G 3 3 3 N 3 3.70 0.50 113.80 117.50 A A A N7 C8 N9 A A A 4 4 4 N 3 3.71 0.50 113.80 117.51 A A A N7 C8 N9 A A A 6 6 6 N 3 3.78 0.50 113.80 117.58 A A A N7 C8 N9 A A A 7 7 7 N 3 4.56 0.50 113.10 117.66 A A A N7 C8 N9 G G G 12 12 12 N 3 -2.62 0.40 106.40 103.78 A A A C8 N9 C4 G G G 12 12 12 N 3 4.56 0.50 113.10 117.66 A A A N7 C8 N9 G G G 13 13 13 N 3 -2.66 0.40 106.40 103.74 A A A C8 N9 C4 G G G 13 13 13 N 3 4.56 0.50 113.10 117.66 A A A N7 C8 N9 G G G 16 16 16 N 3 -2.69 0.40 106.40 103.71 A A A C8 N9 C4 G G G 16 16 16 N 4 4.53 0.50 113.10 117.63 A A A N7 C8 N9 G G G 1 1 1 N 4 -2.74 0.40 106.40 103.66 A A A C8 N9 C4 G G G 1 1 1 N 4 4.54 0.50 113.10 117.64 A A A N7 C8 N9 G G G 2 2 2 N 4 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 2 2 2 N 4 4.51 0.50 113.10 117.61 A A A N7 C8 N9 G G G 3 3 3 N 4 -2.65 0.40 106.40 103.75 A A A C8 N9 C4 G G G 3 3 3 N 4 3.73 0.50 113.80 117.53 A A A N7 C8 N9 A A A 4 4 4 N 4 3.67 0.50 113.80 117.47 A A A N7 C8 N9 A A A 6 6 6 N 4 3.75 0.50 113.80 117.55 A A A N7 C8 N9 A A A 7 7 7 N 4 4.65 0.50 113.10 117.75 A A A N7 C8 N9 G G G 12 12 12 N 4 -2.72 0.40 106.40 103.68 A A A C8 N9 C4 G G G 12 12 12 N 4 4.47 0.50 113.10 117.57 A A A N7 C8 N9 G G G 13 13 13 N 4 -2.66 0.40 106.40 103.74 A A A C8 N9 C4 G G G 13 13 13 N 4 4.47 0.50 113.10 117.57 A A A N7 C8 N9 G G G 16 16 16 N 4 -2.59 0.40 106.40 103.81 A A A C8 N9 C4 G G G 16 16 16 N 5 4.67 0.50 113.10 117.77 A A A N7 C8 N9 G G G 1 1 1 N 5 -2.82 0.40 106.40 103.58 A A A C8 N9 C4 G G G 1 1 1 N 5 4.59 0.50 113.10 117.69 A A A N7 C8 N9 G G G 2 2 2 N 5 -2.76 0.40 106.40 103.64 A A A C8 N9 C4 G G G 2 2 2 N 5 4.58 0.50 113.10 117.68 A A A N7 C8 N9 G G G 3 3 3 N 5 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 3 3 3 N 5 3.59 0.50 113.80 117.39 A A A N7 C8 N9 A A A 4 4 4 N 5 3.81 0.50 113.80 117.61 A A A N7 C8 N9 A A A 6 6 6 N 5 3.68 0.50 113.80 117.48 A A A N7 C8 N9 A A A 7 7 7 N 5 4.53 0.50 113.10 117.63 A A A N7 C8 N9 G G G 12 12 12 N 5 -2.61 0.40 106.40 103.79 A A A C8 N9 C4 G G G 12 12 12 N 5 4.60 0.50 113.10 117.70 A A A N7 C8 N9 G G G 13 13 13 N 5 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 13 13 13 N 5 4.50 0.50 113.10 117.60 A A A N7 C8 N9 G G G 16 16 16 N 5 -2.67 0.40 106.40 103.73 A A A C8 N9 C4 G G G 16 16 16 N 6 4.64 0.50 113.10 117.74 A A A N7 C8 N9 G G G 1 1 1 N 6 -2.80 0.40 106.40 103.60 A A A C8 N9 C4 G G G 1 1 1 N 6 4.66 0.50 113.10 117.76 A A A N7 C8 N9 G G G 2 2 2 N 6 -2.79 0.40 106.40 103.61 A A A C8 N9 C4 G G G 2 2 2 N 6 4.57 0.50 113.10 117.67 A A A N7 C8 N9 G G G 3 3 3 N 6 -2.77 0.40 106.40 103.63 A A A C8 N9 C4 G G G 3 3 3 N 6 3.70 0.50 113.80 117.50 A A A N7 C8 N9 A A A 4 4 4 N 6 3.73 0.50 113.80 117.53 A A A N7 C8 N9 A A A 6 6 6 N 6 3.72 0.50 113.80 117.52 A A A N7 C8 N9 A A A 7 7 7 N 6 4.65 0.50 113.10 117.75 A A A N7 C8 N9 G G G 12 12 12 N 6 -2.67 0.40 106.40 103.73 A A A C8 N9 C4 G G G 12 12 12 N 6 4.54 0.50 113.10 117.64 A A A N7 C8 N9 G G G 13 13 13 N 6 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 13 13 13 N 6 4.51 0.50 113.10 117.61 A A A N7 C8 N9 G G G 16 16 16 N 6 -2.77 0.40 106.40 103.63 A A A C8 N9 C4 G G G 16 16 16 N 7 4.52 0.50 113.10 117.62 A A A N7 C8 N9 G G G 1 1 1 N 7 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 1 1 1 N 7 4.53 0.50 113.10 117.63 A A A N7 C8 N9 G G G 2 2 2 N 7 -2.72 0.40 106.40 103.68 A A A C8 N9 C4 G G G 2 2 2 N 7 4.48 0.50 113.10 117.58 A A A N7 C8 N9 G G G 3 3 3 N 7 -2.60 0.40 106.40 103.80 A A A C8 N9 C4 G G G 3 3 3 N 7 3.70 0.50 113.80 117.50 A A A N7 C8 N9 A A A 4 4 4 N 7 3.76 0.50 113.80 117.56 A A A N7 C8 N9 A A A 6 6 6 N 7 3.74 0.50 113.80 117.54 A A A N7 C8 N9 A A A 7 7 7 N 7 4.54 0.50 113.10 117.64 A A A N7 C8 N9 G G G 12 12 12 N 7 -2.70 0.40 106.40 103.70 A A A C8 N9 C4 G G G 12 12 12 N 7 4.66 0.50 113.10 117.76 A A A N7 C8 N9 G G G 13 13 13 N 7 -2.75 0.40 106.40 103.65 A A A C8 N9 C4 G G G 13 13 13 N 7 4.49 0.50 113.10 117.59 A A A N7 C8 N9 G G G 16 16 16 N 7 -2.70 0.40 106.40 103.70 A A A C8 N9 C4 G G G 16 16 16 N 8 4.62 0.50 113.10 117.72 A A A N7 C8 N9 G G G 1 1 1 N 8 -2.84 0.40 106.40 103.56 A A A C8 N9 C4 G G G 1 1 1 N 8 4.55 0.50 113.10 117.65 A A A N7 C8 N9 G G G 2 2 2 N 8 -2.69 0.40 106.40 103.71 A A A C8 N9 C4 G G G 2 2 2 N 8 4.58 0.50 113.10 117.68 A A A N7 C8 N9 G G G 3 3 3 N 8 -2.73 0.40 106.40 103.67 A A A C8 N9 C4 G G G 3 3 3 N 8 3.73 0.50 113.80 117.53 A A A N7 C8 N9 A A A 4 4 4 N 8 3.73 0.50 113.80 117.53 A A A N7 C8 N9 A A A 6 6 6 N 8 3.74 0.50 113.80 117.54 A A A N7 C8 N9 A A A 7 7 7 N 8 4.64 0.50 113.10 117.74 A A A N7 C8 N9 G G G 12 12 12 N 8 -2.77 0.40 106.40 103.63 A A A C8 N9 C4 G G G 12 12 12 N 8 4.54 0.50 113.10 117.64 A A A N7 C8 N9 G G G 13 13 13 N 8 -2.66 0.40 106.40 103.74 A A A C8 N9 C4 G G G 13 13 13 N 8 4.59 0.50 113.10 117.69 A A A N7 C8 N9 G G G 16 16 16 N 8 -2.77 0.40 106.40 103.63 A A A C8 N9 C4 G G G 16 16 16 N 9 4.51 0.50 113.10 117.61 A A A N7 C8 N9 G G G 1 1 1 N 9 -2.70 0.40 106.40 103.70 A A A C8 N9 C4 G G G 1 1 1 N 9 4.56 0.50 113.10 117.66 A A A N7 C8 N9 G G G 2 2 2 N 9 -2.72 0.40 106.40 103.68 A A A C8 N9 C4 G G G 2 2 2 N 9 4.51 0.50 113.10 117.61 A A A N7 C8 N9 G G G 3 3 3 N 9 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 3 3 3 N 9 3.69 0.50 113.80 117.49 A A A N7 C8 N9 A A A 4 4 4 N 9 3.61 0.50 113.80 117.41 A A A N7 C8 N9 A A A 6 6 6 N 9 3.80 0.50 113.80 117.60 A A A N7 C8 N9 A A A 7 7 7 N 9 4.50 0.50 113.10 117.60 A A A N7 C8 N9 G G G 12 12 12 N 9 -2.72 0.40 106.40 103.68 A A A C8 N9 C4 G G G 12 12 12 N 9 4.52 0.50 113.10 117.62 A A A N7 C8 N9 G G G 13 13 13 N 9 -2.68 0.40 106.40 103.72 A A A C8 N9 C4 G G G 13 13 13 N 9 4.58 0.50 113.10 117.68 A A A N7 C8 N9 G G G 16 16 16 N 9 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 16 16 16 N 10 4.65 0.50 113.10 117.75 A A A N7 C8 N9 G G G 1 1 1 N 10 -2.84 0.40 106.40 103.56 A A A C8 N9 C4 G G G 1 1 1 N 10 4.52 0.50 113.10 117.62 A A A N7 C8 N9 G G G 2 2 2 N 10 -2.66 0.40 106.40 103.74 A A A C8 N9 C4 G G G 2 2 2 N 10 4.48 0.50 113.10 117.58 A A A N7 C8 N9 G G G 3 3 3 N 10 -2.61 0.40 106.40 103.79 A A A C8 N9 C4 G G G 3 3 3 N 10 3.72 0.50 113.80 117.52 A A A N7 C8 N9 A A A 4 4 4 N 10 3.66 0.50 113.80 117.46 A A A N7 C8 N9 A A A 6 6 6 N 10 3.65 0.50 113.80 117.45 A A A N7 C8 N9 A A A 7 7 7 N 10 4.57 0.50 113.10 117.67 A A A N7 C8 N9 G G G 12 12 12 N 10 -2.62 0.40 106.40 103.78 A A A C8 N9 C4 G G G 12 12 12 N 10 4.49 0.50 113.10 117.59 A A A N7 C8 N9 G G G 13 13 13 N 10 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 13 13 13 N 10 4.48 0.50 113.10 117.58 A A A N7 C8 N9 G G G 16 16 16 N 10 -2.61 0.40 106.40 103.79 A A A C8 N9 C4 G G G 16 16 16 N 11 4.58 0.50 113.10 117.68 A A A N7 C8 N9 G G G 1 1 1 N 11 -2.76 0.40 106.40 103.64 A A A C8 N9 C4 G G G 1 1 1 N 11 4.56 0.50 113.10 117.66 A A A N7 C8 N9 G G G 2 2 2 N 11 -2.77 0.40 106.40 103.63 A A A C8 N9 C4 G G G 2 2 2 N 11 4.49 0.50 113.10 117.59 A A A N7 C8 N9 G G G 3 3 3 N 11 -2.78 0.40 106.40 103.62 A A A C8 N9 C4 G G G 3 3 3 N 11 3.73 0.50 113.80 117.53 A A A N7 C8 N9 A A A 4 4 4 N 11 3.74 0.50 113.80 117.54 A A A N7 C8 N9 A A A 6 6 6 N 11 3.71 0.50 113.80 117.51 A A A N7 C8 N9 A A A 7 7 7 N 11 4.54 0.50 113.10 117.64 A A A N7 C8 N9 G G G 12 12 12 N 11 -2.64 0.40 106.40 103.76 A A A C8 N9 C4 G G G 12 12 12 N 11 4.49 0.50 113.10 117.59 A A A N7 C8 N9 G G G 13 13 13 N 11 -2.67 0.40 106.40 103.73 A A A C8 N9 C4 G G G 13 13 13 N 11 4.52 0.50 113.10 117.62 A A A N7 C8 N9 G G G 16 16 16 N 11 -2.65 0.40 106.40 103.75 A A A C8 N9 C4 G G G 16 16 16 N 12 4.53 0.50 113.10 117.63 A A A N7 C8 N9 G G G 1 1 1 N 12 -2.74 0.40 106.40 103.66 A A A C8 N9 C4 G G G 1 1 1 N 12 4.38 0.50 113.10 117.48 A A A N7 C8 N9 G G G 2 2 2 N 12 -2.65 0.40 106.40 103.75 A A A C8 N9 C4 G G G 2 2 2 N 12 4.50 0.50 113.10 117.60 A A A N7 C8 N9 G G G 3 3 3 N 12 -2.77 0.40 106.40 103.63 A A A C8 N9 C4 G G G 3 3 3 N 12 3.67 0.50 113.80 117.47 A A A N7 C8 N9 A A A 4 4 4 N 12 3.71 0.50 113.80 117.51 A A A N7 C8 N9 A A A 6 6 6 N 12 3.76 0.50 113.80 117.56 A A A N7 C8 N9 A A A 7 7 7 N 12 4.50 0.50 113.10 117.60 A A A N7 C8 N9 G G G 12 12 12 N 12 -2.67 0.40 106.40 103.73 A A A C8 N9 C4 G G G 12 12 12 N 12 4.58 0.50 113.10 117.68 A A A N7 C8 N9 G G G 13 13 13 N 12 -2.64 0.40 106.40 103.76 A A A C8 N9 C4 G G G 13 13 13 N 12 4.50 0.50 113.10 117.60 A A A N7 C8 N9 G G G 16 16 16 N 12 -2.62 0.40 106.40 103.78 A A A C8 N9 C4 G G G 16 16 16 N 13 4.57 0.50 113.10 117.67 A A A N7 C8 N9 G G G 1 1 1 N 13 -2.62 0.40 106.40 103.78 A A A C8 N9 C4 G G G 1 1 1 N 13 4.59 0.50 113.10 117.69 A A A N7 C8 N9 G G G 2 2 2 N 13 -2.74 0.40 106.40 103.66 A A A C8 N9 C4 G G G 2 2 2 N 13 4.47 0.50 113.10 117.57 A A A N7 C8 N9 G G G 3 3 3 N 13 -2.69 0.40 106.40 103.71 A A A C8 N9 C4 G G G 3 3 3 N 13 3.66 0.50 113.80 117.46 A A A N7 C8 N9 A A A 4 4 4 N 13 3.72 0.50 113.80 117.52 A A A N7 C8 N9 A A A 6 6 6 N 13 3.65 0.50 113.80 117.45 A A A N7 C8 N9 A A A 7 7 7 N 13 4.54 0.50 113.10 117.64 A A A N7 C8 N9 G G G 12 12 12 N 13 -2.69 0.40 106.40 103.71 A A A C8 N9 C4 G G G 12 12 12 N 13 4.42 0.50 113.10 117.52 A A A N7 C8 N9 G G G 13 13 13 N 13 -2.57 0.40 106.40 103.83 A A A C8 N9 C4 G G G 13 13 13 N 13 4.56 0.50 113.10 117.66 A A A N7 C8 N9 G G G 16 16 16 N 13 -2.77 0.40 106.40 103.63 A A A C8 N9 C4 G G G 16 16 16 N 14 4.56 0.50 113.10 117.66 A A A N7 C8 N9 G G G 1 1 1 N 14 -2.64 0.40 106.40 103.76 A A A C8 N9 C4 G G G 1 1 1 N 14 4.52 0.50 113.10 117.62 A A A N7 C8 N9 G G G 2 2 2 N 14 -2.64 0.40 106.40 103.76 A A A C8 N9 C4 G G G 2 2 2 N 14 4.54 0.50 113.10 117.64 A A A N7 C8 N9 G G G 3 3 3 N 14 -2.69 0.40 106.40 103.71 A A A C8 N9 C4 G G G 3 3 3 N 14 3.72 0.50 113.80 117.52 A A A N7 C8 N9 A A A 4 4 4 N 14 3.64 0.50 113.80 117.44 A A A N7 C8 N9 A A A 6 6 6 N 14 3.59 0.50 113.80 117.39 A A A N7 C8 N9 A A A 7 7 7 N 14 4.62 0.50 113.10 117.72 A A A N7 C8 N9 G G G 12 12 12 N 14 -2.77 0.40 106.40 103.63 A A A C8 N9 C4 G G G 12 12 12 N 14 4.52 0.50 113.10 117.62 A A A N7 C8 N9 G G G 13 13 13 N 14 -2.61 0.40 106.40 103.79 A A A C8 N9 C4 G G G 13 13 13 N 14 4.65 0.50 113.10 117.75 A A A N7 C8 N9 G G G 16 16 16 N 14 -2.78 0.40 106.40 103.62 A A A C8 N9 C4 G G G 16 16 16 N 15 4.60 0.50 113.10 117.70 A A A N7 C8 N9 G G G 1 1 1 N 15 -2.77 0.40 106.40 103.63 A A A C8 N9 C4 G G G 1 1 1 N 15 4.56 0.50 113.10 117.66 A A A N7 C8 N9 G G G 2 2 2 N 15 -2.75 0.40 106.40 103.65 A A A C8 N9 C4 G G G 2 2 2 N 15 4.60 0.50 113.10 117.70 A A A N7 C8 N9 G G G 3 3 3 N 15 -2.70 0.40 106.40 103.70 A A A C8 N9 C4 G G G 3 3 3 N 15 3.74 0.50 113.80 117.54 A A A N7 C8 N9 A A A 4 4 4 N 15 3.70 0.50 113.80 117.50 A A A N7 C8 N9 A A A 6 6 6 N 15 3.73 0.50 113.80 117.53 A A A N7 C8 N9 A A A 7 7 7 N 15 4.55 0.50 113.10 117.65 A A A N7 C8 N9 G G G 12 12 12 N 15 -2.68 0.40 106.40 103.72 A A A C8 N9 C4 G G G 12 12 12 N 15 4.62 0.50 113.10 117.72 A A A N7 C8 N9 G G G 13 13 13 N 15 -2.76 0.40 106.40 103.64 A A A C8 N9 C4 G G G 13 13 13 N 15 4.51 0.50 113.10 117.61 A A A N7 C8 N9 G G G 16 16 16 N 15 -2.68 0.40 106.40 103.72 A A A C8 N9 C4 G G G 16 16 16 N 16 4.59 0.50 113.10 117.69 A A A N7 C8 N9 G G G 1 1 1 N 16 -2.73 0.40 106.40 103.67 A A A C8 N9 C4 G G G 1 1 1 N 16 4.70 0.50 113.10 117.80 A A A N7 C8 N9 G G G 2 2 2 N 16 -2.74 0.40 106.40 103.66 A A A C8 N9 C4 G G G 2 2 2 N 16 4.47 0.50 113.10 117.57 A A A N7 C8 N9 G G G 3 3 3 N 16 -2.64 0.40 106.40 103.76 A A A C8 N9 C4 G G G 3 3 3 N 16 3.65 0.50 113.80 117.45 A A A N7 C8 N9 A A A 4 4 4 N 16 3.67 0.50 113.80 117.47 A A A N7 C8 N9 A A A 6 6 6 N 16 3.77 0.50 113.80 117.57 A A A N7 C8 N9 A A A 7 7 7 N 16 4.62 0.50 113.10 117.72 A A A N7 C8 N9 G G G 12 12 12 N 16 -2.75 0.40 106.40 103.65 A A A C8 N9 C4 G G G 12 12 12 N 16 4.60 0.50 113.10 117.70 A A A N7 C8 N9 G G G 13 13 13 N 16 -2.74 0.40 106.40 103.66 A A A C8 N9 C4 G G G 13 13 13 N 16 4.59 0.50 113.10 117.69 A A A N7 C8 N9 G G G 16 16 16 N 16 -2.76 0.40 106.40 103.64 A A A C8 N9 C4 G G G 16 16 16 N 17 4.46 0.50 113.10 117.56 A A A N7 C8 N9 G G G 1 1 1 N 17 -2.67 0.40 106.40 103.73 A A A C8 N9 C4 G G G 1 1 1 N 17 4.65 0.50 113.10 117.75 A A A N7 C8 N9 G G G 2 2 2 N 17 -2.75 0.40 106.40 103.65 A A A C8 N9 C4 G G G 2 2 2 N 17 4.47 0.50 113.10 117.57 A A A N7 C8 N9 G G G 3 3 3 N 17 -2.70 0.40 106.40 103.70 A A A C8 N9 C4 G G G 3 3 3 N 17 3.73 0.50 113.80 117.53 A A A N7 C8 N9 A A A 4 4 4 N 17 3.62 0.50 113.80 117.42 A A A N7 C8 N9 A A A 6 6 6 N 17 3.78 0.50 113.80 117.58 A A A N7 C8 N9 A A A 7 7 7 N 17 4.59 0.50 113.10 117.69 A A A N7 C8 N9 G G G 12 12 12 N 17 -2.75 0.40 106.40 103.65 A A A C8 N9 C4 G G G 12 12 12 N 17 4.59 0.50 113.10 117.69 A A A N7 C8 N9 G G G 13 13 13 N 17 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 13 13 13 N 17 4.50 0.50 113.10 117.60 A A A N7 C8 N9 G G G 16 16 16 N 17 -2.67 0.40 106.40 103.73 A A A C8 N9 C4 G G G 16 16 16 N 18 4.54 0.50 113.10 117.64 A A A N7 C8 N9 G G G 1 1 1 N 18 -2.66 0.40 106.40 103.74 A A A C8 N9 C4 G G G 1 1 1 N 18 4.59 0.50 113.10 117.69 A A A N7 C8 N9 G G G 2 2 2 N 18 -2.75 0.40 106.40 103.65 A A A C8 N9 C4 G G G 2 2 2 N 18 4.52 0.50 113.10 117.62 A A A N7 C8 N9 G G G 3 3 3 N 18 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 3 3 3 N 18 3.70 0.50 113.80 117.50 A A A N7 C8 N9 A A A 4 4 4 N 18 3.71 0.50 113.80 117.51 A A A N7 C8 N9 A A A 6 6 6 N 18 3.68 0.50 113.80 117.48 A A A N7 C8 N9 A A A 7 7 7 N 18 4.62 0.50 113.10 117.72 A A A N7 C8 N9 G G G 12 12 12 N 18 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 12 12 12 N 18 4.51 0.50 113.10 117.61 A A A N7 C8 N9 G G G 13 13 13 N 18 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 13 13 13 N 18 4.51 0.50 113.10 117.61 A A A N7 C8 N9 G G G 16 16 16 N 18 -2.66 0.40 106.40 103.74 A A A C8 N9 C4 G G G 16 16 16 N 19 4.50 0.50 113.10 117.60 A A A N7 C8 N9 G G G 1 1 1 N 19 -2.73 0.40 106.40 103.67 A A A C8 N9 C4 G G G 1 1 1 N 19 4.54 0.50 113.10 117.64 A A A N7 C8 N9 G G G 2 2 2 N 19 -2.66 0.40 106.40 103.74 A A A C8 N9 C4 G G G 2 2 2 N 19 4.51 0.50 113.10 117.61 A A A N7 C8 N9 G G G 3 3 3 N 19 -2.70 0.40 106.40 103.70 A A A C8 N9 C4 G G G 3 3 3 N 19 3.71 0.50 113.80 117.51 A A A N7 C8 N9 A A A 4 4 4 N 19 3.77 0.50 113.80 117.57 A A A N7 C8 N9 A A A 6 6 6 N 19 3.75 0.50 113.80 117.55 A A A N7 C8 N9 A A A 7 7 7 N 19 4.59 0.50 113.10 117.69 A A A N7 C8 N9 G G G 12 12 12 N 19 -2.76 0.40 106.40 103.64 A A A C8 N9 C4 G G G 12 12 12 N 19 4.61 0.50 113.10 117.71 A A A N7 C8 N9 G G G 13 13 13 N 19 -2.75 0.40 106.40 103.65 A A A C8 N9 C4 G G G 13 13 13 N 19 4.49 0.50 113.10 117.59 A A A N7 C8 N9 G G G 16 16 16 N 19 -2.64 0.40 106.40 103.76 A A A C8 N9 C4 G G G 16 16 16 N 20 4.58 0.50 113.10 117.68 A A A N7 C8 N9 G G G 1 1 1 N 20 -2.76 0.40 106.40 103.64 A A A C8 N9 C4 G G G 1 1 1 N 20 4.54 0.50 113.10 117.64 A A A N7 C8 N9 G G G 2 2 2 N 20 -2.71 0.40 106.40 103.69 A A A C8 N9 C4 G G G 2 2 2 N 20 4.53 0.50 113.10 117.63 A A A N7 C8 N9 G G G 3 3 3 N 20 -2.66 0.40 106.40 103.74 A A A C8 N9 C4 G G G 3 3 3 N 20 3.70 0.50 113.80 117.50 A A A N7 C8 N9 A A A 4 4 4 N 20 3.73 0.50 113.80 117.53 A A A N7 C8 N9 A A A 6 6 6 N 20 3.79 0.50 113.80 117.59 A A A N7 C8 N9 A A A 7 7 7 N 20 4.54 0.50 113.10 117.64 A A A N7 C8 N9 G G G 12 12 12 N 20 -2.62 0.40 106.40 103.78 A A A C8 N9 C4 G G G 12 12 12 N 20 4.53 0.50 113.10 117.63 A A A N7 C8 N9 G G G 13 13 13 N 20 -2.68 0.40 106.40 103.72 A A A C8 N9 C4 G G G 13 13 13 N 20 4.64 0.50 113.10 117.74 A A A N7 C8 N9 G G G 16 16 16 N 20 -2.74 0.40 106.40 103.66 A A A C8 N9 C4 G G G 16 16 16 N model building X-PLOR 3.1 refinement X-PLOR 3.1 phasing X-PLOR 3.1 P1 HELIX NUCLEIC ACIDS (DNA/RNA) RIBONUCLEIC ACID 1 N N hydrog WATSON-CRICK A G 1 A N1 G 1 1_555 A C 20 A N3 C 20 1_555 hydrog WATSON-CRICK A G 1 A N2 G 1 1_555 A C 20 A O2 C 20 1_555 hydrog WATSON-CRICK A G 1 A O6 G 1 1_555 A C 20 A N4 C 20 1_555 hydrog G-C PAIR A G 2 A O6 G 2 1_555 A C 18 A N4 C 18 1_555 hydrog WATSON-CRICK A G 2 A N1 G 2 1_555 A C 19 A N3 C 19 1_555 hydrog WATSON-CRICK A G 2 A N2 G 2 1_555 A C 19 A O2 C 19 1_555 hydrog WATSON-CRICK A G 2 A O6 G 2 1_555 A C 19 A N4 C 19 1_555 hydrog WATSON-CRICK A G 3 A N1 G 3 1_555 A C 18 A N3 C 18 1_555 hydrog WATSON-CRICK A G 3 A N2 G 3 1_555 A C 18 A O2 C 18 1_555 hydrog WATSON-CRICK A G 3 A O6 G 3 1_555 A C 18 A N4 C 18 1_555 hydrog WATSON-CRICK A A 4 A N1 A 4 1_555 A U 17 A N3 U 17 1_555 hydrog WATSON-CRICK A A 4 A N6 A 4 1_555 A U 17 A O4 U 17 1_555 hydrog TYPE_28_PAIR A U 5 A N3 U 5 1_555 A G 16 A O6 G 16 1_555 hydrog TYPE_28_PAIR A U 5 A O2 U 5 1_555 A G 16 A N1 G 16 1_555 hydrog WATSON-CRICK A A 6 A N1 A 6 1_555 A U 15 A N3 U 15 1_555 hydrog WATSON-CRICK A A 6 A N6 A 6 1_555 A U 15 A O4 U 15 1_555 hydrog WATSON-CRICK A A 7 A N1 A 7 1_555 A U 14 A N3 U 14 1_555 hydrog WATSON-CRICK A A 7 A N6 A 7 1_555 A U 14 A O4 U 14 1_555 hydrog WATSON-CRICK A C 8 A N3 C 8 1_555 A G 13 A N1 G 13 1_555 hydrog WATSON-CRICK A C 8 A N4 C 8 1_555 A G 13 A O6 G 13 1_555 hydrog WATSON-CRICK A C 8 A O2 C 8 1_555 A G 13 A N2 G 13 1_555 hydrog C-U MISPAIR A C 8 A O2 C 8 1_555 A U 14 A N3 U 14 1_555 hydrog U-G MISPAIR A U 9 A O2 U 9 1_555 A G 12 A N1 G 12 1_555 hydrog TYPE_28_PAIR A U 9 A N3 U 9 1_555 A G 13 A O6 G 13 1_555 hydrog TYPE_28_PAIR A U 9 A O2 U 9 1_555 A G 13 A N1 G 13 1_555 RNA RNA, DOUBLE HELIX, GROUP I, SELF-SPLICING INTRON, UUCG TETRALOOP HAIRPIN, WOBBLE PAIR 1HLX PDB 1 1HLX 1 20 1HLX 1 20 1HLX A 1 1 20 1 P 1