_block.id BDLB13 loop_ _atom_site.id _atom_site.label_atom_id _atom_site.label_comp_id _atom_site.label_asym_id _atom_site.label_seq_id _atom_site.label_alt_id _atom_site.cartn_x _atom_site.cartn_y _atom_site.cartn_z _atom_site.occupancy _atom_site.B_iso_or_equiv _atom_site.entity_id _atom_site.entity_seq_num 1 O5* C A 1 . 19.172 33.767 25.153 1.00 8.82 1 1 2 C5* C A 1 . 20.547 33.724 24.631 1.00 8.64 1 1 3 C4* C A 1 . 20.798 32.272 24.362 1.00 8.98 1 1 4 O4* C A 1 . 19.761 31.476 25.121 1.00 8.98 1 1 5 C3* C A 1 . 20.738 31.734 22.953 1.00 9.18 1 1 122 C6M +A A 6 . 17.647 18.346 10.892 1.00 4.39 1 6 240 N1 G A 12 . 14.338 18.628 -9.620 1.00 6.28 1 12 241 C2 G A 12 . 15.645 18.286 -9.716 1.00 6.51 1 12 242 N2 G A 12 . 15.983 17.106 -9.543 1.00 6.80 1 12 243 N3 G A 12 . 16.715 19.042 -10.002 1.00 6.36 1 12 244 C4 G A 12 . 16.314 20.314 -10.196 1.00 6.22 1 12 245 O5* C B 13 . 8.222 11.326 -8.855 1.00 15.65 1 1 246 C5* C B 13 . 9.373 10.642 -9.352 1.00 15.54 1 1 247 C4* C B 13 . 10.676 11.337 -9.066 1.00 14.87 1 1 248 O4* C B 13 . 10.581 12.738 -9.458 1.00 13.87 1 1 249 C3* C B 13 . 11.186 11.414 -7.645 1.00 14.83 1 1 367 C6M +A B 18 . 18.434 20.332 7.141 1.00 6.68 1 6 487 N2 G B 24 . 19.173 25.089 26.511 1.00 2.22 1 12 488 N3 G B 24 . 18.556 23.306 27.500 1.00 2.00 1 12 489 C4 G B 24 . 17.489 22.773 28.126 1.00 2.00 1 12 490 O1 HOH S 25 . 17.687 25.672 -10.801 1.00 10.02 2 . 491 O2 HOH S 26 . 9.687 22.307 27.195 1.00 28.04 2 . 492 O3 HOH S 27 . 5.605 18.820 13.966 1.00 30.80 2 . 493 O4 HOH S 28 . 14.575 12.525 11.203 1.00 29.25 2 . 494 O5 HOH S 29 . 1.095 3.844 28.581 1.00 14.94 2 . _atom_sites.block_id BDLB13 _atom_sites.frac_tran_matrix[1][1] 0.039032 _atom_sites.frac_tran_matrix[1][2] 0.0 _atom_sites.frac_tran_matrix[1][3] 0.0 _atom_sites.frac_tran_matrix[2][1] 0.0 _atom_sites.frac_tran_matrix[2][2] 0.024759 _atom_sites.frac_tran_matrix[2][3] 0.0 _atom_sites.frac_tran_matrix[3][1] 0.0 _atom_sites.frac_tran_matrix[3][2] 0.0 _atom_sites.frac_tran_matrix[3][3] 0.014854 _cell.block_id BDLB13 _cell.length_a 25.620 _cell.length_b 40.390 _cell.length_c 67.320 _cell.angle_alpha 90.00 _cell.angle_beta 90.00 _cell.angle_gamma 90.00 loop_ _chem_comp.id _chem_comp.name _chem_comp.mon_nstd_flag _chem_comp.mon_nstd_class _chem_comp.mon_nstd_parent A ADE no . . T THY no . . C CYT no . . G GUA no . . +A METHYLADE yes 'METHYLATED ADENINE' ADE HOH WATER . . . loop_ _citation.id _citation.title _citation.country _citation.journal_abbrev _citation.journal_volume _citation.page_first _citation.year _citation.page_last _citation.journal_coden_ASTM _citation.journal_coden_ISSN primary ; Methylation of the Ecori Recognition Site Does not Alter DNA Conformation. The Crystal Structure of d(CGCGAm6ATTCGCG) at 2.0 Angstroms Resolution ; US 'J.Biol.Chem.' 263 17872 1988 17879 JBCHA3 0021-9258 loop_ _citation_author.citation_id _citation_author.name primary 'Frederick, C. A.' primary 'Quigley, G. J.' primary 'Van Der Marel, G. A.' primary 'Van Boom, J. H.' primary 'Wang, A. H. J.' primary 'Rich, A.' _computing.block_id BDLB13 _computing.structure_refinement 'NUCLSQ' _diffrn.block_id BDLB13 _diffrn.ambient_temp 288.00 _diffrn_measurement.block_id BDLB13 _diffrn_measurement.device_type DIFFRACTOMETER _diffrn_measurement.device_specific 'NICOLET' _diffrn_radiation.block_id BDLB13 _diffrn_radiation.wavelength 1.54 loop_ _entity.id _entity.type _entity.src_method 1 polymer 'SYNTHETIC' 2 water . loop_ _entity_keywords.entity_id _entity_keywords.text 1 'NUCLEIC ACID' loop_ _entity_poly.entity_id _entity_poly.nstd_monomer _entity_poly.number_of_monomers _entity_poly.type 1 yes 12 'polydeoxyribonucleotide' loop_ _entity_poly_seq.entity_id _entity_poly_seq.mon_id _entity_poly_seq.num 1 C 1 1 G 2 1 C 3 1 G 4 1 A 5 1 +A 6 1 T 7 1 T 8 1 C 9 1 G 10 1 C 11 1 G 12 loop_ _exptl_crystal_grow_comp.id _exptl_crystal_grow_comp.sol_id _exptl_crystal_grow_comp.name 1 1 'MPD' 2 1 'Na Cacodylate' 3 1 'MgCl2' 4 1 'SPERMINE' 5 2 'MPD' _struct.block_id BDLB13 _struct.title ; 5'-D(*CP*GP*CP*GP*AP*(M)AP*TP*TP*CP*GP*CP*G)-3' ; _struct.keywords 'DEOXYRIBONUCLEIC ACID' loop_ _struct_asym.id _struct_asym.entity_id _struct_asym.details A 1 'NUCLEIC ACID' B 1 'NUCLEIC ACID' S 2 'H2O' _struct_biol.id 1 _struct_biol.details 'FULL DUPLEX B DNA' loop_ _struct_biol_gen.biol_id _struct_biol_gen.asym_id _struct_biol_gen.symmetry 1 A 1_555 1 B 1_555 1 S 1_555 loop_ _struct_biol_keywords.biol_id _struct_biol_keywords.text 1 'DNA' 1 'B DNA' 1 'DNA DUPLEX' 1 'METHYLATED ADENINE' 1 'MODIFIED ADENINE' loop_ _struct_conf.id _struct_conf.conf_type_id _struct_conf.beg_label_comp_id _struct_conf.beg_label_asym_id _struct_conf.beg_label_seq_id _struct_conf.end_label_comp_id _struct_conf.end_label_asym_id _struct_conf.end_label_seq_id CHAIN-A HELX-RHB C A 1 G A 12 CHAIN-B HELX-RHB C B 13 G B 24 loop_ _struct_conf_type.id _struct_conf_type.criteria HELX-RHB 'AUTHOR JUDGEMENT' loop_ _struct_conn_type.id _struct_conn_type.criteria hydrog ; N - O distance > 2.5 Angstoms and < 3.5 Angstroms N - O - C angle < 120 degrees ; covale 'AUTHOR JUDGEMENT' loop_ _struct_conn.id _struct_conn.conn_type_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_symmetry _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_seq_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_symmetry _struct_conn.details 1 hydrog C A 1 O2 1_555 G B 24 N2 1_555 WATSON-CRICK 2 hydrog C A 1 N3 1_555 G B 24 N1 1_555 WATSON-CRICK 3 hydrog C A 1 N4 1_555 G B 24 O6 1_555 WATSON-CRICK 4 hydrog G A 2 N2 1_555 C B 23 O2 1_555 WATSON-CRICK 5 hydrog G A 2 N1 1_555 C B 23 N3 1_555 WATSON-CRICK 6 hydrog G A 2 O6 1_555 C B 23 N4 1_555 WATSON-CRICK 7 hydrog C A 3 O2 1_555 G B 22 N2 1_555 WATSON-CRICK 8 hydrog C A 3 N3 1_555 G B 22 N1 1_555 WATSON-CRICK 9 hydrog C A 3 N4 1_555 G B 22 O6 1_555 WATSON-CRICK 10 hydrog G A 4 N2 1_555 C B 21 O2 1_555 WATSON-CRICK 11 hydrog G A 4 N1 1_555 C B 21 N3 1_555 WATSON-CRICK 12 hydrog G A 4 O6 1_555 C B 21 N4 1_555 WATSON-CRICK 13 hydrog A A 5 N1 1_555 T B 20 N3 1_555 WATSON-CRICK 14 hydrog A A 5 N6 1_555 T B 20 O4 1_555 WATSON-CRICK 15 hydrog +A A 6 N1 1_555 T B 19 N3 1_555 WATSON-CRICK 16 hydrog +A A 6 N6 1_555 T B 19 O4 1_555 WATSON-CRICK 17 hydrog T A 7 N3 1_555 +A B 18 N1 1_555 WATSON-CRICK 18 hydrog T A 7 O4 1_555 +A B 18 N6 1_555 WATSON-CRICK 19 hydrog T A 8 N3 1_555 A B 17 N1 1_555 WATSON-CRICK 20 hydrog T A 8 O4 1_555 A B 17 N6 1_555 WATSON-CRICK 21 hydrog C A 9 O2 1_555 G B 16 N2 1_555 WATSON-CRICK 22 hydrog C A 9 N3 1_555 G B 16 N1 1_555 WATSON-CRICK 23 hydrog C A 9 N4 1_555 G B 16 O6 1_555 WATSON-CRICK 24 hydrog G A 10 N2 1_555 C B 15 O2 1_555 WATSON-CRICK 25 hydrog G A 10 N1 1_555 C B 15 N3 1_555 WATSON-CRICK 26 hydrog G A 10 O6 1_555 C B 15 N4 1_555 WATSON-CRICK 27 hydrog C A 11 O2 1_555 G B 14 N2 1_555 WATSON-CRICK 28 hydrog C A 11 N3 1_555 G B 14 N1 1_555 WATSON-CRICK 29 hydrog C A 11 N4 1_555 G B 14 O6 1_555 WATSON-CRICK 30 hydrog G A 12 N2 1_555 C B 13 O2 1_555 WATSON-CRICK 31 hydrog G A 12 N1 1_555 C B 13 N3 1_555 WATSON-CRICK 32 hydrog G A 12 O6 1_555 C B 13 N4 1_555 WATSON-CRICK 33 covale +A A 6 N6 1_555 +A A 6 C6M 1_555 'MODIFIER COVALENT LINK' 34 covale +A B 18 N6 1_555 +A B 18 C6M 1_555 'MODIFIER COVALENT LINK' _symmetry.block_id BDLB13 _symmetry.space_group_name_H-M 'P 21 21 21'