1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Rife, J.P. Moore, P.B. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 C11 H16 N5 O8 P 377.247 n 2N-METHYLGUANOSINE-5'-MONOPHOSPHATE RNA linking 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 C12 H18 N5 O7 P 375.274 n 6N-DIMETHYLADENOSINE-5'-MONOPHOSHATE RNA linking C9 H13 N2 O9 P 324.181 y URIDINE-5'-MONOPHOSPHATE RNA linking UK Structure STRUE6 2005 0969-2126 6 747 756 10.1016/S0969-2126(98)00076-8 9655826 The structure of a methylated tetraloop in 16S ribosomal RNA. 1998 10.2210/pdb1wts/pdb pdb_00001wts 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 WITHIN THE TETRALOOP ARE THREE METHYLATED NUCLEOTIDES, N(2)-METHYLGUANOSINE AND TWO N(6),N(6)-DIMETHYLADENOSINES 4610.919 RNA (5'-R(*GP*GP*AP*CP*CP*2MGP*GP*MA6P*MA6P*GP*GP*UP*CP*C)-3') HELIX 45 STEM-LOOP 1 syn polymer no yes GGACC(2MG)G(MA6)(MA6)GGUCC GGACCGGAAGGUCC A polyribonucleotide n n n n n n n n n n n n n n 1.496 1 19 A 1 A 14 -4.101 A_G1:C14_A 1 6.060 -0.253 -0.141 -0.210 9.501 1 19 A 2 A 13 -1.820 A_G2:C13_A 2 -2.714 -0.802 -0.131 -0.330 11.809 1 20 A 3 A 12 2.665 A_A3:U12_A 3 -3.213 -0.274 -0.042 -0.141 -0.179 1 19 A 4 A 11 -2.670 A_C4:G11_A 4 -2.185 0.069 -0.214 -0.169 -4.841 1 19 A 5 A 10 -0.264 A_C5:G10_A 5 -1.247 0.624 0.129 -0.186 -37.733 A 6 A 9 -90.113 A_2MG6:MA69_A 6 28.793 0.789 -1.790 1.872 2.386 23.149 A A 1 2 25.109 A A 14 13 3.211 9.758 -0.171 -1.223 AA_G1G2:C13C14_AA 1 1.782 -4.586 20.942 -6.097 0.984 1.948 35.889 A A 2 3 20.740 A A 13 12 3.007 12.390 -0.028 -2.358 AA_G2A3:U12C13_AA 2 -9.166 15.343 32.511 -5.241 -1.001 2.707 31.779 A A 3 4 12.673 A A 12 11 3.354 6.887 -0.400 -2.653 AA_A3C4:G11U12_AA 3 0.763 -1.404 31.034 -6.029 0.861 2.777 30.163 A A 4 5 11.051 A A 11 10 3.235 5.717 0.310 -2.111 AA_C4C5:G10G11_AA 4 -0.891 1.722 29.616 -5.136 -0.763 3.894 86.333 A A 5 6 1.804 A A 10 9 3.973 2.445 0.389 -2.544 AA_C52MG6:MA69G10_AA 5 24.815 -18.306 83.341 -1.927 0.400 database_2 pdbx_database_status pdbx_nmr_exptl_sample_conditions pdbx_struct_assembly pdbx_struct_oper_list struct_conn repository Initial release Version format compliance Version format compliance Database references Derived calculations Experimental preparation Other 1 0 1999-01-27 1 1 2008-03-24 1 2 2011-07-13 1 3 2022-03-02 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site _pdbx_nmr_exptl_sample_conditions.pressure_units _struct_conn.pdbx_leaving_atom_flag _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id ENSEMBLE OF 11 STRUCTURES Y BNL 1998-06-26 REL NUCLEOTIDES 3-12 CORRESPOND TO NATIVE SEQUENCE sample THIS REPRESENTATIVE MODEL WAS DETERMINED WITH A VARIETY OF TWO-DIMENSIONAL HOMONUCLEAR AND HETERONUCLEAR NMR SPECTROSCOPY ON AN UNLABELED MOLECULE. NO RESTRAINT VIOLATION 1 1 NOESY COSY 1H-31P HCOSY 1H-31P HTOCSY 1H-31P HTOCSY-NOESY 1H-13C HMQC 50 mM NACL 6.5 1 atm 303 K TORSIONAL ANGLE MOLECULAR DYNAMICS, MOLECULAR DYNAMICS 1 WATER BRUNGER refinement X-PLOR structure solution X-PLOR 500 Varian UNITY 500 600 GE UNITYPLUS 600 600 GE OMEGA 500 G 1 n 1 G 1 A G 2 n 2 G 2 A A 3 n 3 A 3 A C 4 n 4 C 4 A C 5 n 5 C 5 A 2MG 6 n 6 2MG 6 A G 7 n 7 G 7 A MA6 8 n 8 MA6 8 A MA6 9 n 9 MA6 9 A G 10 n 10 G 10 A G 11 n 11 G 11 A U 12 n 12 U 12 A C 13 n 13 C 13 A C 14 n 14 C 14 A author_defined_assembly 1 monomeric A 2MG 6 2N-METHYLGUANOSINE-5'-MONOPHOSPHATE A 2MG 6 G A MA6 8 6N-DIMETHYLADENOSINE-5'-MONOPHOSHATE A MA6 8 A A MA6 9 6N-DIMETHYLADENOSINE-5'-MONOPHOSHATE A MA6 9 A 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 HO2' O4' G G 1 2 1.57 1 4.09 0.60 123.90 127.99 A A A N1 C2 N3 G G G 2 2 2 N 1 -6.06 0.70 119.90 113.84 A A A N3 C2 N2 G G G 2 2 2 N 1 -4.52 0.70 101.30 96.78 A A A C3' C2' C1' A A A 3 3 3 N 1 -2.81 0.40 120.30 117.49 A A A C6 N1 C2 C C C 4 4 4 N 1 5.02 0.70 108.50 113.52 A A A O4' C1' N1 C C C 5 5 5 N 1 -2.48 0.40 120.30 117.82 A A A C6 N1 C2 C C C 5 5 5 N 1 -4.24 0.70 121.90 117.66 A A A N3 C2 O2 C C C 5 5 5 N 1 -4.48 0.70 118.00 113.52 A A A N3 C4 N4 C C C 5 5 5 N 1 3.72 0.60 123.90 127.62 A A A N1 C2 N3 G G G 7 7 7 N 1 -5.59 0.70 119.90 114.31 A A A N3 C2 N2 G G G 7 7 7 N 1 -4.39 0.60 119.90 115.51 A A A N1 C6 O6 G G G 7 7 7 N 1 6.01 0.90 109.80 115.81 A A A C5' C4' O4' G G G 10 10 10 N 1 -5.21 0.70 119.90 114.69 A A A N3 C2 N2 G G G 10 10 10 N 1 -3.64 0.60 119.90 116.26 A A A N1 C6 O6 G G G 10 10 10 N 1 -5.03 0.70 101.30 96.27 A A A C3' C2' C1' G G G 11 11 11 N 1 3.69 0.60 123.90 127.59 A A A N1 C2 N3 G G G 11 11 11 N 1 -3.84 0.60 119.90 116.06 A A A N1 C6 O6 G G G 11 11 11 N 1 2.81 0.40 121.90 124.71 A A A N3 C4 C5 C C C 13 13 13 N 1 9.78 0.70 108.50 118.28 A A A O4' C1' N1 C C C 14 14 14 N 1 2.82 0.40 121.90 124.72 A A A N3 C4 C5 C C C 14 14 14 N model building X-PLOR refinement X-PLOR phasing X-PLOR HELIX 45 (16S RRNA) FROM B. STEAROTHERMOPHILUS, NMR, MINIMIZED AVERAGE STRUCTURE 1 N N covale 1.615 both A C 5 A O3' C 5 1_555 A 2MG 6 A P 2MG 6 1_555 covale 1.613 both A 2MG 6 A O3' 2MG 6 1_555 A G 7 A P G 7 1_555 covale 1.620 both A G 7 A O3' G 7 1_555 A MA6 8 A P MA6 8 1_555 covale 1.612 both A MA6 8 A O3' MA6 8 1_555 A MA6 9 A P MA6 9 1_555 covale 1.611 both A MA6 9 A O3' MA6 9 1_555 A G 10 A P G 10 1_555 hydrog WATSON-CRICK A G 1 A N1 G 1 1_555 A C 14 A N3 C 14 1_555 hydrog WATSON-CRICK A G 1 A N2 G 1 1_555 A C 14 A O2 C 14 1_555 hydrog WATSON-CRICK A G 1 A O6 G 1 1_555 A C 14 A N4 C 14 1_555 hydrog WATSON-CRICK A G 2 A N1 G 2 1_555 A C 13 A N3 C 13 1_555 hydrog WATSON-CRICK A G 2 A N2 G 2 1_555 A C 13 A O2 C 13 1_555 hydrog WATSON-CRICK A G 2 A O6 G 2 1_555 A C 13 A N4 C 13 1_555 hydrog WATSON-CRICK A A 3 A N1 A 3 1_555 A U 12 A N3 U 12 1_555 hydrog WATSON-CRICK A A 3 A N6 A 3 1_555 A U 12 A O4 U 12 1_555 hydrog WATSON-CRICK A C 4 A N3 C 4 1_555 A G 11 A N1 G 11 1_555 hydrog WATSON-CRICK A C 4 A N4 C 4 1_555 A G 11 A O6 G 11 1_555 hydrog WATSON-CRICK A C 4 A O2 C 4 1_555 A G 11 A N2 G 11 1_555 hydrog WATSON-CRICK A C 5 A N3 C 5 1_555 A G 10 A N1 G 10 1_555 hydrog WATSON-CRICK A C 5 A N4 C 5 1_555 A G 10 A O6 G 10 1_555 hydrog WATSON-CRICK A C 5 A O2 C 5 1_555 A G 10 A N2 G 10 1_555 hydrog 2MG-MA6 MISPAIR A 2MG 6 A N2 2MG 6 1_555 A MA6 9 A N7 MA6 9 1_555 RNA RIBONUCLEIC ACID, RIBOSOME, RNA, 16S, MODIFIED NUCLEOTIDES, TETRALOOP 1WTS PDB 1 1WTS 1 14 1WTS 1 14 1WTS A 1 1 14 1 P 1