data_2RLN # _entry.id 2RLN # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.287 _audit_conform.dict_location http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic # loop_ _database_2.database_id _database_2.database_code PDB 2RLN WWPDB D_1000178565 # _pdbx_database_status.status_code REL _pdbx_database_status.entry_id 2RLN _pdbx_database_status.recvd_initial_deposition_date 1994-07-11 _pdbx_database_status.deposit_site ? _pdbx_database_status.process_site BNL _pdbx_database_status.SG_entry . _pdbx_database_status.pdb_format_compatible Y _pdbx_database_status.status_code_mr ? _pdbx_database_status.status_code_sf ? _pdbx_database_status.status_code_cs ? _pdbx_database_status.methods_development_category ? # loop_ _audit_author.name _audit_author.pdbx_ordinal 'Ratnaparkhi, G.' 1 'Varadarajan, R.' 2 # loop_ _citation.id _citation.title _citation.journal_abbrev _citation.journal_volume _citation.page_first _citation.page_last _citation.year _citation.journal_id_ASTM _citation.country _citation.journal_id_ISSN _citation.journal_id_CSD _citation.book_publisher _citation.pdbx_database_id_PubMed _citation.pdbx_database_id_DOI primary 'Thermodynamic and structural consequences of changing a sulfur atom to a methylene group in the M13Nle mutation in ribonuclease-S.' Biochemistry 33 8587 8593 1994 BICHAW US 0006-2960 0033 ? 8031793 10.1021/bi00194a025 1 'Crystallographic Structures of Ribonuclease S Variants with Nonpolar Substitutions at Position 13: Packing and Cavities' Biochemistry 31 12315 ? 1992 BICHAW US 0006-2960 0033 ? ? ? 2 'Refinement of the Crystal Structure of Ribonuclease S. Comparison with and between the Various Ribonuclease A Structures' Biochemistry 31 12304 ? 1992 BICHAW US 0006-2960 0033 ? ? ? # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal primary 'Thomson, J.' 1 primary 'Ratnaparkhi, G.S.' 2 primary 'Varadarajan, R.' 3 primary 'Sturtevant, J.M.' 4 primary 'Richards, F.M.' 5 1 'Varadarajan, R.' 6 1 'Richards, F.M.' 7 2 'Kim, E.E.' 8 2 'Varadarajan, R.' 9 2 'Wyckoff, H.W.' 10 2 'Richards, F.M.' 11 # _cell.entry_id 2RLN _cell.length_a 44.740 _cell.length_b 44.740 _cell.length_c 97.350 _cell.angle_alpha 90.00 _cell.angle_beta 90.00 _cell.angle_gamma 120.00 _cell.Z_PDB 6 _cell.pdbx_unique_axis ? # _symmetry.entry_id 2RLN _symmetry.space_group_name_H-M 'P 31 2 1' _symmetry.pdbx_full_space_group_name_H-M ? _symmetry.cell_setting ? _symmetry.Int_Tables_number 152 # loop_ _entity.id _entity.type _entity.src_method _entity.pdbx_description _entity.formula_weight _entity.pdbx_number_of_molecules _entity.pdbx_ec _entity.pdbx_mutation _entity.pdbx_fragment _entity.details 1 polymer man RIBONUCLEASE 1732.914 1 ? ? ? ? 2 polymer man 'RIBONUCLEASE S (S-PROTEIN)' 11973.396 1 3.1.27.5 ? ? ? 3 non-polymer syn 'SULFATE ION' 96.063 1 ? ? ? ? 4 water nat water 18.015 54 ? ? ? ? # loop_ _entity_poly.entity_id _entity_poly.type _entity_poly.nstd_linkage _entity_poly.nstd_monomer _entity_poly.pdbx_seq_one_letter_code _entity_poly.pdbx_seq_one_letter_code_can _entity_poly.pdbx_strand_id _entity_poly.pdbx_target_identifier 1 'polypeptide(L)' no yes 'KETAAAKFERQH(NLE)DS(NH2)' KETAAAKFERQHLDSX S ? 2 'polypeptide(L)' no no ;STSAASSSNYCNQMMKSRNLTKDRCKPVNTFVHESLADVQAVCSQKNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNC AYKTTQANKHIIVACEGNPYVPVHFDASV ; ;STSAASSSNYCNQMMKSRNLTKDRCKPVNTFVHESLADVQAVCSQKNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNC AYKTTQANKHIIVACEGNPYVPVHFDASV ; E ? # loop_ _entity_poly_seq.entity_id _entity_poly_seq.num _entity_poly_seq.mon_id _entity_poly_seq.hetero 1 1 LYS n 1 2 GLU n 1 3 THR n 1 4 ALA n 1 5 ALA n 1 6 ALA n 1 7 LYS n 1 8 PHE n 1 9 GLU n 1 10 ARG n 1 11 GLN n 1 12 HIS n 1 13 NLE n 1 14 ASP n 1 15 SER n 1 16 NH2 n 2 1 SER n 2 2 THR n 2 3 SER n 2 4 ALA n 2 5 ALA n 2 6 SER n 2 7 SER n 2 8 SER n 2 9 ASN n 2 10 TYR n 2 11 CYS n 2 12 ASN n 2 13 GLN n 2 14 MET n 2 15 MET n 2 16 LYS n 2 17 SER n 2 18 ARG n 2 19 ASN n 2 20 LEU n 2 21 THR n 2 22 LYS n 2 23 ASP n 2 24 ARG n 2 25 CYS n 2 26 LYS n 2 27 PRO n 2 28 VAL n 2 29 ASN n 2 30 THR n 2 31 PHE n 2 32 VAL n 2 33 HIS n 2 34 GLU n 2 35 SER n 2 36 LEU n 2 37 ALA n 2 38 ASP n 2 39 VAL n 2 40 GLN n 2 41 ALA n 2 42 VAL n 2 43 CYS n 2 44 SER n 2 45 GLN n 2 46 LYS n 2 47 ASN n 2 48 VAL n 2 49 ALA n 2 50 CYS n 2 51 LYS n 2 52 ASN n 2 53 GLY n 2 54 GLN n 2 55 THR n 2 56 ASN n 2 57 CYS n 2 58 TYR n 2 59 GLN n 2 60 SER n 2 61 TYR n 2 62 SER n 2 63 THR n 2 64 MET n 2 65 SER n 2 66 ILE n 2 67 THR n 2 68 ASP n 2 69 CYS n 2 70 ARG n 2 71 GLU n 2 72 THR n 2 73 GLY n 2 74 SER n 2 75 SER n 2 76 LYS n 2 77 TYR n 2 78 PRO n 2 79 ASN n 2 80 CYS n 2 81 ALA n 2 82 TYR n 2 83 LYS n 2 84 THR n 2 85 THR n 2 86 GLN n 2 87 ALA n 2 88 ASN n 2 89 LYS n 2 90 HIS n 2 91 ILE n 2 92 ILE n 2 93 VAL n 2 94 ALA n 2 95 CYS n 2 96 GLU n 2 97 GLY n 2 98 ASN n 2 99 PRO n 2 100 TYR n 2 101 VAL n 2 102 PRO n 2 103 VAL n 2 104 HIS n 2 105 PHE n 2 106 ASP n 2 107 ALA n 2 108 SER n 2 109 VAL n # _entity_src_gen.entity_id 2 _entity_src_gen.pdbx_src_id 1 _entity_src_gen.pdbx_alt_source_flag sample _entity_src_gen.pdbx_seq_type ? _entity_src_gen.pdbx_beg_seq_num ? _entity_src_gen.pdbx_end_seq_num ? _entity_src_gen.gene_src_common_name cattle _entity_src_gen.gene_src_genus Bos _entity_src_gen.pdbx_gene_src_gene ? _entity_src_gen.gene_src_species ? _entity_src_gen.gene_src_strain ? _entity_src_gen.gene_src_tissue ? _entity_src_gen.gene_src_tissue_fraction ? _entity_src_gen.gene_src_details ? _entity_src_gen.pdbx_gene_src_fragment ? _entity_src_gen.pdbx_gene_src_scientific_name 'Bos taurus' _entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id 9913 _entity_src_gen.pdbx_gene_src_variant ? _entity_src_gen.pdbx_gene_src_cell_line ? _entity_src_gen.pdbx_gene_src_atcc ? _entity_src_gen.pdbx_gene_src_organ PANCREAS _entity_src_gen.pdbx_gene_src_organelle ? _entity_src_gen.pdbx_gene_src_cell ? _entity_src_gen.pdbx_gene_src_cellular_location ? _entity_src_gen.host_org_common_name ? _entity_src_gen.pdbx_host_org_scientific_name ? _entity_src_gen.pdbx_host_org_ncbi_taxonomy_id ? _entity_src_gen.host_org_genus ? _entity_src_gen.pdbx_host_org_gene ? _entity_src_gen.pdbx_host_org_organ ? _entity_src_gen.host_org_species ? _entity_src_gen.pdbx_host_org_tissue ? _entity_src_gen.pdbx_host_org_tissue_fraction ? _entity_src_gen.pdbx_host_org_strain ? _entity_src_gen.pdbx_host_org_variant ? _entity_src_gen.pdbx_host_org_cell_line ? _entity_src_gen.pdbx_host_org_atcc ? _entity_src_gen.pdbx_host_org_culture_collection ? _entity_src_gen.pdbx_host_org_cell ? _entity_src_gen.pdbx_host_org_organelle ? _entity_src_gen.pdbx_host_org_cellular_location ? _entity_src_gen.pdbx_host_org_vector_type ? _entity_src_gen.pdbx_host_org_vector ? _entity_src_gen.host_org_details ? _entity_src_gen.expression_system_id ? _entity_src_gen.plasmid_name ? _entity_src_gen.plasmid_details ? _entity_src_gen.pdbx_description ? # loop_ _struct_ref.id _struct_ref.db_name _struct_ref.db_code _struct_ref.entity_id _struct_ref.pdbx_db_accession _struct_ref.pdbx_align_begin _struct_ref.pdbx_seq_one_letter_code _struct_ref.pdbx_db_isoform 1 UNP RNP_BOVIN 2 P00656 1 ;MALKSLVLLSLLVLVLLLVRVQPSLGKETAAAKFERQHMDSSTSAASSSNYCNQMMKSRNLTKDRCKPVNTFVHESLADV QAVCSQKNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNCAYKTTQANKHIIVACEGNPYVPVHFDASV ; ? 2 PDB 2RLN 1 2RLN ? ? ? # loop_ _struct_ref_seq.align_id _struct_ref_seq.ref_id _struct_ref_seq.pdbx_PDB_id_code _struct_ref_seq.pdbx_strand_id _struct_ref_seq.seq_align_beg _struct_ref_seq.pdbx_seq_align_beg_ins_code _struct_ref_seq.seq_align_end _struct_ref_seq.pdbx_seq_align_end_ins_code _struct_ref_seq.pdbx_db_accession _struct_ref_seq.db_align_beg _struct_ref_seq.pdbx_db_align_beg_ins_code _struct_ref_seq.db_align_end _struct_ref_seq.pdbx_db_align_end_ins_code _struct_ref_seq.pdbx_auth_seq_align_beg _struct_ref_seq.pdbx_auth_seq_align_end 1 1 2RLN E 1 ? 109 ? P00656 42 ? 150 ? 16 124 2 2 2RLN S 1 ? 16 ? 2RLN 1 ? 16 ? 1 16 # loop_ _chem_comp.id _chem_comp.type _chem_comp.mon_nstd_flag _chem_comp.name _chem_comp.pdbx_synonyms _chem_comp.formula _chem_comp.formula_weight ALA 'L-peptide linking' y ALANINE ? 'C3 H7 N O2' 89.093 ARG 'L-peptide linking' y ARGININE ? 'C6 H15 N4 O2 1' 175.209 ASN 'L-peptide linking' y ASPARAGINE ? 'C4 H8 N2 O3' 132.118 ASP 'L-peptide linking' y 'ASPARTIC ACID' ? 'C4 H7 N O4' 133.103 CYS 'L-peptide linking' y CYSTEINE ? 'C3 H7 N O2 S' 121.158 GLN 'L-peptide linking' y GLUTAMINE ? 'C5 H10 N2 O3' 146.144 GLU 'L-peptide linking' y 'GLUTAMIC ACID' ? 'C5 H9 N O4' 147.129 GLY 'peptide linking' y GLYCINE ? 'C2 H5 N O2' 75.067 HIS 'L-peptide linking' y HISTIDINE ? 'C6 H10 N3 O2 1' 156.162 HOH non-polymer . WATER ? 'H2 O' 18.015 ILE 'L-peptide linking' y ISOLEUCINE ? 'C6 H13 N O2' 131.173 LEU 'L-peptide linking' y LEUCINE ? 'C6 H13 N O2' 131.173 LYS 'L-peptide linking' y LYSINE ? 'C6 H15 N2 O2 1' 147.195 MET 'L-peptide linking' y METHIONINE ? 'C5 H11 N O2 S' 149.211 NH2 non-polymer . 'AMINO GROUP' ? 'H2 N' 16.023 NLE 'L-peptide linking' n NORLEUCINE ? 'C6 H13 N O2' 131.173 PHE 'L-peptide linking' y PHENYLALANINE ? 'C9 H11 N O2' 165.189 PRO 'L-peptide linking' y PROLINE ? 'C5 H9 N O2' 115.130 SER 'L-peptide linking' y SERINE ? 'C3 H7 N O3' 105.093 SO4 non-polymer . 'SULFATE ION' ? 'O4 S -2' 96.063 THR 'L-peptide linking' y THREONINE ? 'C4 H9 N O3' 119.119 TYR 'L-peptide linking' y TYROSINE ? 'C9 H11 N O3' 181.189 VAL 'L-peptide linking' y VALINE ? 'C5 H11 N O2' 117.146 # _exptl.entry_id 2RLN _exptl.method 'X-RAY DIFFRACTION' _exptl.crystals_number ? # _exptl_crystal.id 1 _exptl_crystal.density_meas ? _exptl_crystal.density_Matthews 2.05 _exptl_crystal.density_percent_sol 40.04 _exptl_crystal.description ? # _refine.entry_id 2RLN _refine.ls_number_reflns_obs 8851 _refine.ls_number_reflns_all ? _refine.pdbx_ls_sigma_I ? _refine.pdbx_ls_sigma_F ? _refine.pdbx_data_cutoff_high_absF ? _refine.pdbx_data_cutoff_low_absF ? _refine.pdbx_data_cutoff_high_rms_absF ? _refine.ls_d_res_low 10.0 _refine.ls_d_res_high 1.85 _refine.ls_percent_reflns_obs ? _refine.ls_R_factor_obs 0.174 _refine.ls_R_factor_all ? _refine.ls_R_factor_R_work 0.174 _refine.ls_R_factor_R_free ? _refine.ls_R_factor_R_free_error ? _refine.ls_R_factor_R_free_error_details ? _refine.ls_percent_reflns_R_free ? _refine.ls_number_reflns_R_free ? _refine.ls_number_parameters ? _refine.ls_number_restraints ? _refine.occupancy_min ? _refine.occupancy_max ? _refine.B_iso_mean ? _refine.aniso_B[1][1] ? _refine.aniso_B[2][2] ? _refine.aniso_B[3][3] ? _refine.aniso_B[1][2] ? _refine.aniso_B[1][3] ? _refine.aniso_B[2][3] ? _refine.solvent_model_details ? _refine.solvent_model_param_ksol ? _refine.solvent_model_param_bsol ? _refine.pdbx_ls_cross_valid_method ? _refine.details ? _refine.pdbx_starting_model ? _refine.pdbx_method_to_determine_struct ? _refine.pdbx_isotropic_thermal_model ? _refine.pdbx_stereochemistry_target_values ? _refine.pdbx_stereochem_target_val_spec_case ? _refine.pdbx_R_Free_selection_details ? _refine.pdbx_overall_ESU_R ? _refine.pdbx_overall_ESU_R_Free ? _refine.overall_SU_ML ? _refine.overall_SU_B ? _refine.pdbx_refine_id 'X-RAY DIFFRACTION' _refine.pdbx_diffrn_id 1 _refine.pdbx_TLS_residual_ADP_flag ? _refine.correlation_coeff_Fo_to_Fc ? _refine.correlation_coeff_Fo_to_Fc_free ? _refine.pdbx_solvent_vdw_probe_radii ? _refine.pdbx_solvent_ion_probe_radii ? _refine.pdbx_solvent_shrinkage_radii ? _refine.pdbx_overall_phase_error ? _refine.overall_SU_R_Cruickshank_DPI ? _refine.pdbx_overall_SU_R_free_Cruickshank_DPI ? _refine.pdbx_overall_SU_R_Blow_DPI ? _refine.pdbx_overall_SU_R_free_Blow_DPI ? # _refine_hist.pdbx_refine_id 'X-RAY DIFFRACTION' _refine_hist.cycle_id LAST _refine_hist.pdbx_number_atoms_protein 949 _refine_hist.pdbx_number_atoms_nucleic_acid 0 _refine_hist.pdbx_number_atoms_ligand 5 _refine_hist.number_atoms_solvent 54 _refine_hist.number_atoms_total 1008 _refine_hist.d_res_high 1.85 _refine_hist.d_res_low 10.0 # loop_ _refine_ls_restr.type _refine_ls_restr.dev_ideal _refine_ls_restr.dev_ideal_target _refine_ls_restr.weight _refine_ls_restr.number _refine_ls_restr.pdbx_refine_id _refine_ls_restr.pdbx_restraint_function x_bond_d 0.008 ? ? ? 'X-RAY DIFFRACTION' ? x_bond_d_na ? ? ? ? 'X-RAY DIFFRACTION' ? x_bond_d_prot ? ? ? ? 'X-RAY DIFFRACTION' ? x_angle_d ? ? ? ? 'X-RAY DIFFRACTION' ? x_angle_d_na ? ? ? ? 'X-RAY DIFFRACTION' ? x_angle_d_prot ? ? ? ? 'X-RAY DIFFRACTION' ? x_angle_deg 1.5 ? ? ? 'X-RAY DIFFRACTION' ? x_angle_deg_na ? ? ? ? 'X-RAY DIFFRACTION' ? x_angle_deg_prot ? ? ? ? 'X-RAY DIFFRACTION' ? x_dihedral_angle_d ? ? ? ? 'X-RAY DIFFRACTION' ? x_dihedral_angle_d_na ? ? ? ? 'X-RAY DIFFRACTION' ? x_dihedral_angle_d_prot ? ? ? ? 'X-RAY DIFFRACTION' ? x_improper_angle_d ? ? ? ? 'X-RAY DIFFRACTION' ? x_improper_angle_d_na ? ? ? ? 'X-RAY DIFFRACTION' ? x_improper_angle_d_prot ? ? ? ? 'X-RAY DIFFRACTION' ? x_mcbond_it ? ? ? ? 'X-RAY DIFFRACTION' ? x_mcangle_it ? ? ? ? 'X-RAY DIFFRACTION' ? x_scbond_it ? ? ? ? 'X-RAY DIFFRACTION' ? x_scangle_it ? ? ? ? 'X-RAY DIFFRACTION' ? # _struct.entry_id 2RLN _struct.title 'THERMODYNAMIC AND STRUCTURAL CONSEQUENCES OF CHANGING A SULPHUR ATOM TO A METHYLENE GROUP IN THE M13NLE MUTATION IN RIBONUCLEASE S' _struct.pdbx_descriptor 'RIBONUCLEASE S (E.C.3.1.27.5) MUTANT WITH MET S 13 REPLACED BY NORLEUCINE (M(S 13)NLE)' _struct.pdbx_model_details ? _struct.pdbx_CASP_flag ? _struct.pdbx_model_type_details ? # _struct_keywords.entry_id 2RLN _struct_keywords.pdbx_keywords 'HYDROLASE(PHOSPHORIC DIESTER,RNA)' _struct_keywords.text 'HYDROLASE(PHOSPHORIC DIESTER, RNA)' # loop_ _struct_asym.id _struct_asym.pdbx_blank_PDB_chainid_flag _struct_asym.pdbx_modified _struct_asym.entity_id _struct_asym.details A N N 1 ? B N N 2 ? C N N 3 ? D N N 4 ? E N N 4 ? # _struct_biol.id 1 # loop_ _struct_conf.conf_type_id _struct_conf.id _struct_conf.pdbx_PDB_helix_id _struct_conf.beg_label_comp_id _struct_conf.beg_label_asym_id _struct_conf.beg_label_seq_id _struct_conf.pdbx_beg_PDB_ins_code _struct_conf.end_label_comp_id _struct_conf.end_label_asym_id _struct_conf.end_label_seq_id _struct_conf.pdbx_end_PDB_ins_code _struct_conf.beg_auth_comp_id _struct_conf.beg_auth_asym_id _struct_conf.beg_auth_seq_id _struct_conf.end_auth_comp_id _struct_conf.end_auth_asym_id _struct_conf.end_auth_seq_id _struct_conf.pdbx_PDB_helix_class _struct_conf.details _struct_conf.pdbx_PDB_helix_length HELX_P HELX_P1 H1 THR A 3 ? NLE A 13 ? THR S 3 NLE S 13 1 ? 11 HELX_P HELX_P2 H2 ASN B 9 ? ASN B 19 ? ASN E 24 ASN E 34 1 '34 IN 3/10 CONFORMATION' 11 HELX_P HELX_P3 H3 SER B 35 ? GLN B 45 ? SER E 50 GLN E 60 1 '56 - 60 IN 3/10 CONFORMATION' 11 # _struct_conf_type.id HELX_P _struct_conf_type.criteria ? _struct_conf_type.reference ? # loop_ _struct_conn.id _struct_conn.conn_type_id _struct_conn.pdbx_leaving_atom_flag _struct_conn.pdbx_PDB_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr1_label_atom_id _struct_conn.pdbx_ptnr1_label_alt_id _struct_conn.pdbx_ptnr1_PDB_ins_code _struct_conn.pdbx_ptnr1_standard_comp_id _struct_conn.ptnr1_symmetry _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_conn.ptnr2_label_atom_id _struct_conn.pdbx_ptnr2_label_alt_id _struct_conn.pdbx_ptnr2_PDB_ins_code _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_symmetry _struct_conn.pdbx_ptnr3_label_atom_id _struct_conn.pdbx_ptnr3_label_seq_id _struct_conn.pdbx_ptnr3_label_comp_id _struct_conn.pdbx_ptnr3_label_asym_id _struct_conn.pdbx_ptnr3_label_alt_id _struct_conn.pdbx_ptnr3_PDB_ins_code _struct_conn.details _struct_conn.pdbx_dist_value _struct_conn.pdbx_value_order disulf1 disulf ? ? B CYS 11 SG ? ? ? 1_555 B CYS 69 SG ? ? E CYS 26 E CYS 84 1_555 ? ? ? ? ? ? ? 2.029 ? disulf2 disulf ? ? B CYS 25 SG ? ? ? 1_555 B CYS 80 SG ? ? E CYS 40 E CYS 95 1_555 ? ? ? ? ? ? ? 2.027 ? disulf3 disulf ? ? B CYS 43 SG ? ? ? 1_555 B CYS 95 SG ? ? E CYS 58 E CYS 110 1_555 ? ? ? ? ? ? ? 2.025 ? disulf4 disulf ? ? B CYS 50 SG ? ? ? 1_555 B CYS 57 SG ? ? E CYS 65 E CYS 72 1_555 ? ? ? ? ? ? ? 2.035 ? covale1 covale ? ? A SER 15 C ? ? ? 1_555 A NH2 16 N ? ? S SER 15 S NH2 16 1_555 ? ? ? ? ? ? ? 1.322 ? covale2 covale ? ? A HIS 12 C ? ? ? 1_555 A NLE 13 N ? ? S HIS 12 S NLE 13 1_555 ? ? ? ? ? ? ? 1.324 ? covale3 covale ? ? A NLE 13 C ? ? ? 1_555 A ASP 14 N ? ? S NLE 13 S ASP 14 1_555 ? ? ? ? ? ? ? 1.328 ? # loop_ _struct_conn_type.id _struct_conn_type.criteria _struct_conn_type.reference disulf ? ? covale ? ? # loop_ _struct_mon_prot_cis.pdbx_id _struct_mon_prot_cis.label_comp_id _struct_mon_prot_cis.label_seq_id _struct_mon_prot_cis.label_asym_id _struct_mon_prot_cis.label_alt_id _struct_mon_prot_cis.pdbx_PDB_ins_code _struct_mon_prot_cis.auth_comp_id _struct_mon_prot_cis.auth_seq_id _struct_mon_prot_cis.auth_asym_id _struct_mon_prot_cis.pdbx_label_comp_id_2 _struct_mon_prot_cis.pdbx_label_seq_id_2 _struct_mon_prot_cis.pdbx_label_asym_id_2 _struct_mon_prot_cis.pdbx_PDB_ins_code_2 _struct_mon_prot_cis.pdbx_auth_comp_id_2 _struct_mon_prot_cis.pdbx_auth_seq_id_2 _struct_mon_prot_cis.pdbx_auth_asym_id_2 _struct_mon_prot_cis.pdbx_PDB_model_num _struct_mon_prot_cis.pdbx_omega_angle 1 TYR 77 B . ? TYR 92 E PRO 78 B ? PRO 93 E 1 -0.01 2 ASN 98 B . ? ASN 113 E PRO 99 B ? PRO 114 E 1 0.21 # loop_ _struct_sheet.id _struct_sheet.type _struct_sheet.number_strands _struct_sheet.details S1 ? 3 ? S2 ? 4 ? # loop_ _struct_sheet_order.sheet_id _struct_sheet_order.range_id_1 _struct_sheet_order.range_id_2 _struct_sheet_order.offset _struct_sheet_order.sense S1 1 2 ? anti-parallel S1 2 3 ? anti-parallel S2 1 2 ? anti-parallel S2 2 3 ? anti-parallel S2 3 4 ? anti-parallel # loop_ _struct_sheet_range.sheet_id _struct_sheet_range.id _struct_sheet_range.beg_label_comp_id _struct_sheet_range.beg_label_asym_id _struct_sheet_range.beg_label_seq_id _struct_sheet_range.pdbx_beg_PDB_ins_code _struct_sheet_range.end_label_comp_id _struct_sheet_range.end_label_asym_id _struct_sheet_range.end_label_seq_id _struct_sheet_range.pdbx_end_PDB_ins_code _struct_sheet_range.beg_auth_comp_id _struct_sheet_range.beg_auth_asym_id _struct_sheet_range.beg_auth_seq_id _struct_sheet_range.end_auth_comp_id _struct_sheet_range.end_auth_asym_id _struct_sheet_range.end_auth_seq_id S1 1 LYS B 26 ? HIS B 33 ? LYS E 41 HIS E 48 S1 2 MET B 64 ? THR B 72 ? MET E 79 THR E 87 S1 3 ALA B 81 ? LYS B 89 ? ALA E 96 LYS E 104 S2 1 LYS B 46 ? ALA B 49 ? LYS E 61 ALA E 64 S2 2 ASN B 56 ? SER B 60 ? ASN E 71 SER E 75 S2 3 HIS B 90 ? GLU B 96 ? HIS E 105 GLU E 111 S2 4 VAL B 101 ? VAL B 109 ? VAL E 116 VAL E 124 # loop_ _struct_site.id _struct_site.pdbx_evidence_code _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id _struct_site.pdbx_auth_ins_code _struct_site.pdbx_num_residues _struct_site.details ACT Unknown ? ? ? ? 9 ? AC1 Software ? ? ? ? 4 'BINDING SITE FOR RESIDUE SO4 E 125' # loop_ _struct_site_gen.id _struct_site_gen.site_id _struct_site_gen.pdbx_num_res _struct_site_gen.label_comp_id _struct_site_gen.label_asym_id _struct_site_gen.label_seq_id _struct_site_gen.pdbx_auth_ins_code _struct_site_gen.auth_comp_id _struct_site_gen.auth_asym_id _struct_site_gen.auth_seq_id _struct_site_gen.label_atom_id _struct_site_gen.label_alt_id _struct_site_gen.symmetry _struct_site_gen.details 1 ACT 9 HIS A 12 ? HIS S 12 . ? 1_555 ? 2 ACT 9 LYS B 26 ? LYS E 41 . ? 1_555 ? 3 ACT 9 VAL B 28 ? VAL E 43 . ? 1_555 ? 4 ACT 9 ASN B 29 ? ASN E 44 . ? 1_555 ? 5 ACT 9 THR B 30 ? THR E 45 . ? 1_555 ? 6 ACT 9 HIS B 104 ? HIS E 119 . ? 1_555 ? 7 ACT 9 PHE B 105 ? PHE E 120 . ? 1_555 ? 8 ACT 9 ASP B 106 ? ASP E 121 . ? 1_555 ? 9 ACT 9 SER B 108 ? SER E 123 . ? 1_555 ? 10 AC1 4 HIS B 104 ? HIS E 119 . ? 1_555 ? 11 AC1 4 PHE B 105 ? PHE E 120 . ? 1_555 ? 12 AC1 4 HOH E . ? HOH E 215 . ? 1_555 ? 13 AC1 4 HIS A 12 ? HIS S 12 . ? 1_555 ? # _database_PDB_matrix.entry_id 2RLN _database_PDB_matrix.origx[1][1] 1.000000 _database_PDB_matrix.origx[1][2] 0.000000 _database_PDB_matrix.origx[1][3] 0.000000 _database_PDB_matrix.origx[2][1] 0.000000 _database_PDB_matrix.origx[2][2] 1.000000 _database_PDB_matrix.origx[2][3] 0.000000 _database_PDB_matrix.origx[3][1] 0.000000 _database_PDB_matrix.origx[3][2] 0.000000 _database_PDB_matrix.origx[3][3] 1.000000 _database_PDB_matrix.origx_vector[1] 0.00000 _database_PDB_matrix.origx_vector[2] 0.00000 _database_PDB_matrix.origx_vector[3] 0.00000 # _atom_sites.entry_id 2RLN _atom_sites.fract_transf_matrix[1][1] 0.022351 _atom_sites.fract_transf_matrix[1][2] 0.012905 _atom_sites.fract_transf_matrix[1][3] 0.000000 _atom_sites.fract_transf_matrix[2][1] 0.000000 _atom_sites.fract_transf_matrix[2][2] 0.025809 _atom_sites.fract_transf_matrix[2][3] 0.000000 _atom_sites.fract_transf_matrix[3][1] 0.000000 _atom_sites.fract_transf_matrix[3][2] 0.000000 _atom_sites.fract_transf_matrix[3][3] 0.010272 _atom_sites.fract_transf_vector[1] 0.00000 _atom_sites.fract_transf_vector[2] 0.00000 _atom_sites.fract_transf_vector[3] 0.00000 # loop_ _atom_sites_footnote.id _atom_sites_footnote.text 1 'CIS PROLINE - PRO E 93' 2 'CIS PROLINE - PRO E 114' # loop_ _atom_type.symbol C N O S # loop_ _pdbx_poly_seq_scheme.asym_id _pdbx_poly_seq_scheme.entity_id _pdbx_poly_seq_scheme.seq_id _pdbx_poly_seq_scheme.mon_id _pdbx_poly_seq_scheme.ndb_seq_num _pdbx_poly_seq_scheme.pdb_seq_num _pdbx_poly_seq_scheme.auth_seq_num _pdbx_poly_seq_scheme.pdb_mon_id _pdbx_poly_seq_scheme.auth_mon_id _pdbx_poly_seq_scheme.pdb_strand_id _pdbx_poly_seq_scheme.pdb_ins_code _pdbx_poly_seq_scheme.hetero A 1 1 LYS 1 1 1 LYS LYS S . n A 1 2 GLU 2 2 2 GLU GLU S . n A 1 3 THR 3 3 3 THR THR S . n A 1 4 ALA 4 4 4 ALA ALA S . n A 1 5 ALA 5 5 5 ALA ALA S . n A 1 6 ALA 6 6 6 ALA ALA S . n A 1 7 LYS 7 7 7 LYS LYS S . n A 1 8 PHE 8 8 8 PHE PHE S . n A 1 9 GLU 9 9 9 GLU GLU S . n A 1 10 ARG 10 10 10 ARG ARG S . n A 1 11 GLN 11 11 11 GLN GLN S . n A 1 12 HIS 12 12 12 HIS HIS S . n A 1 13 NLE 13 13 13 NLE NLE S . n A 1 14 ASP 14 14 14 ASP ASP S . n A 1 15 SER 15 15 15 SER SER S . n A 1 16 NH2 16 16 16 NH2 NH2 S . n B 2 1 SER 1 16 ? ? ? E . n B 2 2 THR 2 17 ? ? ? E . n B 2 3 SER 3 18 ? ? ? E . n B 2 4 ALA 4 19 ? ? ? E . n B 2 5 ALA 5 20 ? ? ? E . n B 2 6 SER 6 21 21 SER SER E . n B 2 7 SER 7 22 22 SER SER E . n B 2 8 SER 8 23 23 SER SER E . n B 2 9 ASN 9 24 24 ASN ASN E . n B 2 10 TYR 10 25 25 TYR TYR E . n B 2 11 CYS 11 26 26 CYS CYS E . n B 2 12 ASN 12 27 27 ASN ASN E . n B 2 13 GLN 13 28 28 GLN GLN E . n B 2 14 MET 14 29 29 MET MET E . n B 2 15 MET 15 30 30 MET MET E . n B 2 16 LYS 16 31 31 LYS LYS E . n B 2 17 SER 17 32 32 SER SER E . n B 2 18 ARG 18 33 33 ARG ARG E . n B 2 19 ASN 19 34 34 ASN ASN E . n B 2 20 LEU 20 35 35 LEU LEU E . n B 2 21 THR 21 36 36 THR THR E . n B 2 22 LYS 22 37 37 LYS LYS E . n B 2 23 ASP 23 38 38 ASP ASP E . n B 2 24 ARG 24 39 39 ARG ARG E . n B 2 25 CYS 25 40 40 CYS CYS E . n B 2 26 LYS 26 41 41 LYS LYS E . n B 2 27 PRO 27 42 42 PRO PRO E . n B 2 28 VAL 28 43 43 VAL VAL E . n B 2 29 ASN 29 44 44 ASN ASN E . n B 2 30 THR 30 45 45 THR THR E . n B 2 31 PHE 31 46 46 PHE PHE E . n B 2 32 VAL 32 47 47 VAL VAL E . n B 2 33 HIS 33 48 48 HIS HIS E . n B 2 34 GLU 34 49 49 GLU GLU E . n B 2 35 SER 35 50 50 SER SER E . n B 2 36 LEU 36 51 51 LEU LEU E . n B 2 37 ALA 37 52 52 ALA ALA E . n B 2 38 ASP 38 53 53 ASP ASP E . n B 2 39 VAL 39 54 54 VAL VAL E . n B 2 40 GLN 40 55 55 GLN GLN E . n B 2 41 ALA 41 56 56 ALA ALA E . n B 2 42 VAL 42 57 57 VAL VAL E . n B 2 43 CYS 43 58 58 CYS CYS E . n B 2 44 SER 44 59 59 SER SER E . n B 2 45 GLN 45 60 60 GLN GLN E . n B 2 46 LYS 46 61 61 LYS LYS E . n B 2 47 ASN 47 62 62 ASN ASN E . n B 2 48 VAL 48 63 63 VAL VAL E . n B 2 49 ALA 49 64 64 ALA ALA E . n B 2 50 CYS 50 65 65 CYS CYS E . n B 2 51 LYS 51 66 66 LYS LYS E . n B 2 52 ASN 52 67 67 ASN ASN E . n B 2 53 GLY 53 68 68 GLY GLY E . n B 2 54 GLN 54 69 69 GLN GLN E . n B 2 55 THR 55 70 70 THR THR E . n B 2 56 ASN 56 71 71 ASN ASN E . n B 2 57 CYS 57 72 72 CYS CYS E . n B 2 58 TYR 58 73 73 TYR TYR E . n B 2 59 GLN 59 74 74 GLN GLN E . n B 2 60 SER 60 75 75 SER SER E . n B 2 61 TYR 61 76 76 TYR TYR E . n B 2 62 SER 62 77 77 SER SER E . n B 2 63 THR 63 78 78 THR THR E . n B 2 64 MET 64 79 79 MET MET E . n B 2 65 SER 65 80 80 SER SER E . n B 2 66 ILE 66 81 81 ILE ILE E . n B 2 67 THR 67 82 82 THR THR E . n B 2 68 ASP 68 83 83 ASP ASP E . n B 2 69 CYS 69 84 84 CYS CYS E . n B 2 70 ARG 70 85 85 ARG ARG E . n B 2 71 GLU 71 86 86 GLU GLU E . n B 2 72 THR 72 87 87 THR THR E . n B 2 73 GLY 73 88 88 GLY GLY E . n B 2 74 SER 74 89 89 SER SER E . n B 2 75 SER 75 90 90 SER SER E . n B 2 76 LYS 76 91 91 LYS LYS E . n B 2 77 TYR 77 92 92 TYR TYR E . n B 2 78 PRO 78 93 93 PRO PRO E . n B 2 79 ASN 79 94 94 ASN ASN E . n B 2 80 CYS 80 95 95 CYS CYS E . n B 2 81 ALA 81 96 96 ALA ALA E . n B 2 82 TYR 82 97 97 TYR TYR E . n B 2 83 LYS 83 98 98 LYS LYS E . n B 2 84 THR 84 99 99 THR THR E . n B 2 85 THR 85 100 100 THR THR E . n B 2 86 GLN 86 101 101 GLN GLN E . n B 2 87 ALA 87 102 102 ALA ALA E . n B 2 88 ASN 88 103 103 ASN ASN E . n B 2 89 LYS 89 104 104 LYS LYS E . n B 2 90 HIS 90 105 105 HIS HIS E . n B 2 91 ILE 91 106 106 ILE ILE E . n B 2 92 ILE 92 107 107 ILE ILE E . n B 2 93 VAL 93 108 108 VAL VAL E . n B 2 94 ALA 94 109 109 ALA ALA E . n B 2 95 CYS 95 110 110 CYS CYS E . n B 2 96 GLU 96 111 111 GLU GLU E . n B 2 97 GLY 97 112 112 GLY GLY E . n B 2 98 ASN 98 113 113 ASN ASN E . n B 2 99 PRO 99 114 114 PRO PRO E . n B 2 100 TYR 100 115 115 TYR TYR E . n B 2 101 VAL 101 116 116 VAL VAL E . n B 2 102 PRO 102 117 117 PRO PRO E . n B 2 103 VAL 103 118 118 VAL VAL E . n B 2 104 HIS 104 119 119 HIS HIS E . n B 2 105 PHE 105 120 120 PHE PHE E . n B 2 106 ASP 106 121 121 ASP ASP E . n B 2 107 ALA 107 122 122 ALA ALA E . n B 2 108 SER 108 123 123 SER SER E . n B 2 109 VAL 109 124 124 VAL VAL E . n # loop_ _pdbx_nonpoly_scheme.asym_id _pdbx_nonpoly_scheme.entity_id _pdbx_nonpoly_scheme.mon_id _pdbx_nonpoly_scheme.ndb_seq_num _pdbx_nonpoly_scheme.pdb_seq_num _pdbx_nonpoly_scheme.auth_seq_num _pdbx_nonpoly_scheme.pdb_mon_id _pdbx_nonpoly_scheme.auth_mon_id _pdbx_nonpoly_scheme.pdb_strand_id _pdbx_nonpoly_scheme.pdb_ins_code C 3 SO4 1 125 125 SO4 SO4 E . D 4 HOH 1 202 202 HOH HOH S . D 4 HOH 2 218 218 HOH HOH S . D 4 HOH 3 223 223 HOH HOH S . D 4 HOH 4 227 227 HOH HOH S . D 4 HOH 5 229 229 HOH HOH S . D 4 HOH 6 230 230 HOH HOH S . D 4 HOH 7 231 231 HOH HOH S . D 4 HOH 8 236 236 HOH HOH S . D 4 HOH 9 247 247 HOH HOH S . D 4 HOH 10 259 259 HOH HOH S . E 4 HOH 1 201 201 HOH HOH E . E 4 HOH 2 203 203 HOH HOH E . E 4 HOH 3 204 204 HOH HOH E . E 4 HOH 4 205 205 HOH HOH E . E 4 HOH 5 206 206 HOH HOH E . E 4 HOH 6 207 207 HOH HOH E . E 4 HOH 7 208 208 HOH HOH E . E 4 HOH 8 209 209 HOH HOH E . E 4 HOH 9 210 210 HOH HOH E . E 4 HOH 10 211 211 HOH HOH E . E 4 HOH 11 212 212 HOH HOH E . E 4 HOH 12 213 213 HOH HOH E . E 4 HOH 13 214 214 HOH HOH E . E 4 HOH 14 215 215 HOH HOH E . E 4 HOH 15 216 216 HOH HOH E . E 4 HOH 16 217 217 HOH HOH E . E 4 HOH 17 219 219 HOH HOH E . E 4 HOH 18 220 220 HOH HOH E . E 4 HOH 19 221 221 HOH HOH E . E 4 HOH 20 222 222 HOH HOH E . E 4 HOH 21 224 224 HOH HOH E . E 4 HOH 22 225 225 HOH HOH E . E 4 HOH 23 226 226 HOH HOH E . E 4 HOH 24 228 228 HOH HOH E . E 4 HOH 25 232 232 HOH HOH E . E 4 HOH 26 233 233 HOH HOH E . E 4 HOH 27 235 235 HOH HOH E . E 4 HOH 28 237 237 HOH HOH E . E 4 HOH 29 238 238 HOH HOH E . E 4 HOH 30 239 239 HOH HOH E . E 4 HOH 31 240 240 HOH HOH E . E 4 HOH 32 241 241 HOH HOH E . E 4 HOH 33 243 243 HOH HOH E . E 4 HOH 34 244 244 HOH HOH E . E 4 HOH 35 246 246 HOH HOH E . E 4 HOH 36 248 248 HOH HOH E . E 4 HOH 37 250 250 HOH HOH E . E 4 HOH 38 251 251 HOH HOH E . E 4 HOH 39 252 252 HOH HOH E . E 4 HOH 40 256 256 HOH HOH E . E 4 HOH 41 257 257 HOH HOH E . E 4 HOH 42 261 261 HOH HOH E . E 4 HOH 43 262 262 HOH HOH E . E 4 HOH 44 263 263 HOH HOH E . # _pdbx_struct_mod_residue.id 1 _pdbx_struct_mod_residue.label_asym_id A _pdbx_struct_mod_residue.label_comp_id NLE _pdbx_struct_mod_residue.label_seq_id 13 _pdbx_struct_mod_residue.auth_asym_id S _pdbx_struct_mod_residue.auth_comp_id NLE _pdbx_struct_mod_residue.auth_seq_id 13 _pdbx_struct_mod_residue.PDB_ins_code ? _pdbx_struct_mod_residue.parent_comp_id LEU _pdbx_struct_mod_residue.details NORLEUCINE # _pdbx_struct_assembly.id 1 _pdbx_struct_assembly.details author_and_software_defined_assembly _pdbx_struct_assembly.method_details PISA _pdbx_struct_assembly.oligomeric_details dimeric _pdbx_struct_assembly.oligomeric_count 2 # _pdbx_struct_assembly_gen.assembly_id 1 _pdbx_struct_assembly_gen.oper_expression 1 _pdbx_struct_assembly_gen.asym_id_list A,B,C,D,E # loop_ _pdbx_struct_assembly_prop.biol_id _pdbx_struct_assembly_prop.type _pdbx_struct_assembly_prop.value _pdbx_struct_assembly_prop.details 1 'ABSA (A^2)' 1720 ? 1 MORE -20 ? 1 'SSA (A^2)' 6610 ? # _pdbx_struct_oper_list.id 1 _pdbx_struct_oper_list.type 'identity operation' _pdbx_struct_oper_list.name 1_555 _pdbx_struct_oper_list.symmetry_operation x,y,z _pdbx_struct_oper_list.matrix[1][1] 1.0000000000 _pdbx_struct_oper_list.matrix[1][2] 0.0000000000 _pdbx_struct_oper_list.matrix[1][3] 0.0000000000 _pdbx_struct_oper_list.vector[1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][2] 1.0000000000 _pdbx_struct_oper_list.matrix[2][3] 0.0000000000 _pdbx_struct_oper_list.vector[2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][1] 0.0000000000 _pdbx_struct_oper_list.matrix[3][2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][3] 1.0000000000 _pdbx_struct_oper_list.vector[3] 0.0000000000 # loop_ _pdbx_audit_revision_history.ordinal _pdbx_audit_revision_history.data_content_type _pdbx_audit_revision_history.major_revision _pdbx_audit_revision_history.minor_revision _pdbx_audit_revision_history.revision_date 1 'Structure model' 1 0 1994-11-01 2 'Structure model' 1 1 2008-03-03 3 'Structure model' 1 2 2011-07-13 4 'Structure model' 1 3 2017-11-29 # _pdbx_audit_revision_details.ordinal 1 _pdbx_audit_revision_details.revision_ordinal 1 _pdbx_audit_revision_details.data_content_type 'Structure model' _pdbx_audit_revision_details.provider repository _pdbx_audit_revision_details.type 'Initial release' _pdbx_audit_revision_details.description ? # loop_ _pdbx_audit_revision_group.ordinal _pdbx_audit_revision_group.revision_ordinal _pdbx_audit_revision_group.data_content_type _pdbx_audit_revision_group.group 1 2 'Structure model' 'Version format compliance' 2 3 'Structure model' 'Version format compliance' 3 4 'Structure model' 'Derived calculations' 4 4 'Structure model' Other # loop_ _pdbx_audit_revision_category.ordinal _pdbx_audit_revision_category.revision_ordinal _pdbx_audit_revision_category.data_content_type _pdbx_audit_revision_category.category 1 4 'Structure model' pdbx_database_status 2 4 'Structure model' struct_conf 3 4 'Structure model' struct_conf_type # _pdbx_audit_revision_item.ordinal 1 _pdbx_audit_revision_item.revision_ordinal 4 _pdbx_audit_revision_item.data_content_type 'Structure model' _pdbx_audit_revision_item.item '_pdbx_database_status.process_site' # loop_ _software.name _software.classification _software.version _software.citation_id _software.pdbx_ordinal X-PLOR 'model building' . ? 1 X-PLOR refinement . ? 2 X-PLOR phasing . ? 3 # _pdbx_entry_details.entry_id 2RLN _pdbx_entry_details.compound_details ;THIS RNASE S (M13NLE) MUTANT IS ONE OF A SERIES OF MUTANTS OF RNASE S AT POSITION 13. ; _pdbx_entry_details.source_details ? _pdbx_entry_details.nonpolymer_details ? _pdbx_entry_details.sequence_details ? # loop_ _pdbx_validate_torsion.id _pdbx_validate_torsion.PDB_model_num _pdbx_validate_torsion.auth_comp_id _pdbx_validate_torsion.auth_asym_id _pdbx_validate_torsion.auth_seq_id _pdbx_validate_torsion.PDB_ins_code _pdbx_validate_torsion.label_alt_id _pdbx_validate_torsion.phi _pdbx_validate_torsion.psi 1 1 SER E 22 ? ? -124.98 -144.99 2 1 HIS E 48 ? ? -101.99 61.77 3 1 GLN E 60 ? ? -98.63 -135.36 4 1 ALA E 122 ? ? -179.17 -178.87 # loop_ _pdbx_unobs_or_zero_occ_residues.id _pdbx_unobs_or_zero_occ_residues.PDB_model_num _pdbx_unobs_or_zero_occ_residues.polymer_flag _pdbx_unobs_or_zero_occ_residues.occupancy_flag _pdbx_unobs_or_zero_occ_residues.auth_asym_id _pdbx_unobs_or_zero_occ_residues.auth_comp_id _pdbx_unobs_or_zero_occ_residues.auth_seq_id _pdbx_unobs_or_zero_occ_residues.PDB_ins_code _pdbx_unobs_or_zero_occ_residues.label_asym_id _pdbx_unobs_or_zero_occ_residues.label_comp_id _pdbx_unobs_or_zero_occ_residues.label_seq_id 1 1 Y 1 E SER 16 ? B SER 1 2 1 Y 1 E THR 17 ? B THR 2 3 1 Y 1 E SER 18 ? B SER 3 4 1 Y 1 E ALA 19 ? B ALA 4 5 1 Y 1 E ALA 20 ? B ALA 5 # loop_ _pdbx_entity_nonpoly.entity_id _pdbx_entity_nonpoly.name _pdbx_entity_nonpoly.comp_id 3 'SULFATE ION' SO4 4 water HOH #