data_2PNV
# 
_entry.id   2PNV 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.380 
_audit_conform.dict_location   http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 
# 
loop_
_database_2.database_id 
_database_2.database_code 
_database_2.pdbx_database_accession 
_database_2.pdbx_DOI 
PDB   2PNV         pdb_00002pnv 10.2210/pdb2pnv/pdb 
RCSB  RCSB042584   ?            ?                   
WWPDB D_1000042584 ?            ?                   
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        2PNV 
_pdbx_database_status.recvd_initial_deposition_date   2007-04-25 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    PDBJ 
_pdbx_database_status.status_code_sf                  REL 
_pdbx_database_status.status_code_mr                  ? 
_pdbx_database_status.SG_entry                        ? 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.status_code_nmr_data            ? 
_pdbx_database_status.methods_development_category    ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Kim, J.Y.'  1 
'Kim, M.K.'  2 
'Kang, G.B.' 3 
'Park, C.S.' 4 
'Eom, S.H.'  5 
# 
_citation.id                        primary 
_citation.title                     
'Crystal structure of the leucine zipper domain of small-conductance Ca2+-activated K+ (SK(Ca)) channel from Rattus norvegicus.' 
_citation.journal_abbrev            Proteins 
_citation.journal_volume            70 
_citation.page_first                568 
_citation.page_last                 571 
_citation.year                      2008 
_citation.journal_id_ASTM           PSFGEY 
_citation.country                   US 
_citation.journal_id_ISSN           0887-3585 
_citation.journal_id_CSD            0867 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   17910055 
_citation.pdbx_database_id_DOI      10.1002/prot.21634 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Kim, J.Y.'  1 ? 
primary 'Kim, M.K.'  2 ? 
primary 'Kang, G.B.' 3 ? 
primary 'Park, C.S.' 4 ? 
primary 'Eom, S.H.'  5 ? 
# 
_cell.entry_id           2PNV 
_cell.length_a           29.200 
_cell.length_b           29.200 
_cell.length_c           192.900 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        120.00 
_cell.Z_PDB              12 
_cell.pdbx_unique_axis   ? 
_cell.length_a_esd       ? 
_cell.length_b_esd       ? 
_cell.length_c_esd       ? 
_cell.angle_alpha_esd    ? 
_cell.angle_beta_esd     ? 
_cell.angle_gamma_esd    ? 
# 
_symmetry.entry_id                         2PNV 
_symmetry.space_group_name_H-M             'P 63' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     ? 
_symmetry.Int_Tables_number                173 
_symmetry.space_group_name_Hall            ? 
# 
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 'Small conductance calcium-activated potassium channel protein 2' 4954.655 2 ? ? 'leucine zipper domain' ? 
2 water   nat water                                                             18.015   4 ? ? ?                       ? 
# 
_entity_name_com.entity_id   1 
_entity_name_com.name        'SK2, small-conductance Ca2+-activated K+ (SKCa) channel' 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           'polypeptide(L)' 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   no 
_entity_poly.pdbx_seq_one_letter_code       GSHMNIMYDMISDLNERSEDFEKRIVTLETKLETLIGSIHALP 
_entity_poly.pdbx_seq_one_letter_code_can   GSHMNIMYDMISDLNERSEDFEKRIVTLETKLETLIGSIHALP 
_entity_poly.pdbx_strand_id                 A,B 
_entity_poly.pdbx_target_identifier         ? 
# 
loop_
_entity_poly_seq.entity_id 
_entity_poly_seq.num 
_entity_poly_seq.mon_id 
_entity_poly_seq.hetero 
1 1  GLY n 
1 2  SER n 
1 3  HIS n 
1 4  MET n 
1 5  ASN n 
1 6  ILE n 
1 7  MET n 
1 8  TYR n 
1 9  ASP n 
1 10 MET n 
1 11 ILE n 
1 12 SER n 
1 13 ASP n 
1 14 LEU n 
1 15 ASN n 
1 16 GLU n 
1 17 ARG n 
1 18 SER n 
1 19 GLU n 
1 20 ASP n 
1 21 PHE n 
1 22 GLU n 
1 23 LYS n 
1 24 ARG n 
1 25 ILE n 
1 26 VAL n 
1 27 THR n 
1 28 LEU n 
1 29 GLU n 
1 30 THR n 
1 31 LYS n 
1 32 LEU n 
1 33 GLU n 
1 34 THR n 
1 35 LEU n 
1 36 ILE n 
1 37 GLY n 
1 38 SER n 
1 39 ILE n 
1 40 HIS n 
1 41 ALA n 
1 42 LEU n 
1 43 PRO n 
# 
_entity_src_gen.entity_id                          1 
_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               'Norway rat' 
_entity_src_gen.gene_src_genus                     Rattus 
_entity_src_gen.pdbx_gene_src_gene                 Kcnn2 
_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      'Rattus norvegicus' 
_entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id     10116 
_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                ? 
_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      'Escherichia coli BL21(DE3)' 
_entity_src_gen.pdbx_host_org_ncbi_taxonomy_id     469008 
_entity_src_gen.host_org_genus                     Escherichia 
_entity_src_gen.pdbx_host_org_gene                 ? 
_entity_src_gen.pdbx_host_org_organ                ? 
_entity_src_gen.host_org_species                   'Escherichia coli' 
_entity_src_gen.pdbx_host_org_tissue               ? 
_entity_src_gen.pdbx_host_org_tissue_fraction      ? 
_entity_src_gen.pdbx_host_org_strain               'BL21(DE3)' 
_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          plasmid 
_entity_src_gen.pdbx_host_org_vector               ? 
_entity_src_gen.host_org_details                   ? 
_entity_src_gen.expression_system_id               ? 
_entity_src_gen.plasmid_name                       'modified pGEX vector' 
_entity_src_gen.plasmid_details                    ? 
_entity_src_gen.pdbx_description                   ? 
# 
_struct_ref.id                         1 
_struct_ref.db_name                    UNP 
_struct_ref.db_code                    KCNN2_RAT 
_struct_ref.pdbx_db_accession          P70604 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_seq_one_letter_code   NIMYDMISDLNERSEDFEKRIVTLETKLETLIGSIHALP 
_struct_ref.pdbx_align_begin           488 
_struct_ref.pdbx_db_isoform            ? 
# 
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 2PNV A 5 ? 43 ? P70604 488 ? 526 ? 488 526 
2 1 2PNV B 5 ? 43 ? P70604 488 ? 526 ? 488 526 
# 
loop_
_struct_ref_seq_dif.align_id 
_struct_ref_seq_dif.pdbx_pdb_id_code 
_struct_ref_seq_dif.mon_id 
_struct_ref_seq_dif.pdbx_pdb_strand_id 
_struct_ref_seq_dif.seq_num 
_struct_ref_seq_dif.pdbx_pdb_ins_code 
_struct_ref_seq_dif.pdbx_seq_db_name 
_struct_ref_seq_dif.pdbx_seq_db_accession_code 
_struct_ref_seq_dif.db_mon_id 
_struct_ref_seq_dif.pdbx_seq_db_seq_num 
_struct_ref_seq_dif.details 
_struct_ref_seq_dif.pdbx_auth_seq_num 
_struct_ref_seq_dif.pdbx_ordinal 
1 2PNV GLY A 1 ? UNP P70604 ? ? 'expression tag' 484 1 
1 2PNV SER A 2 ? UNP P70604 ? ? 'expression tag' 485 2 
1 2PNV HIS A 3 ? UNP P70604 ? ? 'expression tag' 486 3 
1 2PNV MET A 4 ? UNP P70604 ? ? 'expression tag' 487 4 
2 2PNV GLY B 1 ? UNP P70604 ? ? 'expression tag' 484 5 
2 2PNV SER B 2 ? UNP P70604 ? ? 'expression tag' 485 6 
2 2PNV HIS B 3 ? UNP P70604 ? ? 'expression tag' 486 7 
2 2PNV MET B 4 ? UNP P70604 ? ? 'expression tag' 487 8 
# 
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 
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 
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 
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          2PNV 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   1 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      2.257 
_exptl_crystal.density_percent_sol   43.41 
_exptl_crystal.description           ? 
_exptl_crystal.F_000                 ? 
_exptl_crystal.preparation           ? 
# 
_exptl_crystal_grow.crystal_id      1 
_exptl_crystal_grow.method          'VAPOR DIFFUSION, HANGING DROP' 
_exptl_crystal_grow.temp            298.0 
_exptl_crystal_grow.temp_details    ? 
_exptl_crystal_grow.pH              5.6 
_exptl_crystal_grow.pdbx_details    
'0.1M sodium citrate (pH 5.6), 20-22% (w/v) PEG 8000, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K' 
_exptl_crystal_grow.pdbx_pH_range   . 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           200 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_detector.diffrn_id              1 
_diffrn_detector.detector               CCD 
_diffrn_detector.type                   ? 
_diffrn_detector.pdbx_collection_date   2004-11-07 
_diffrn_detector.details                ? 
# 
_diffrn_radiation.diffrn_id                        1 
_diffrn_radiation.wavelength_id                    1 
_diffrn_radiation.pdbx_monochromatic_or_laue_m_l   M 
_diffrn_radiation.monochromator                    ? 
_diffrn_radiation.pdbx_diffrn_protocol             'SINGLE WAVELENGTH' 
_diffrn_radiation.pdbx_scattering_type             x-ray 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   1.0000 
_diffrn_radiation_wavelength.wt           1.0 
# 
_diffrn_source.diffrn_id                   1 
_diffrn_source.source                      SYNCHROTRON 
_diffrn_source.type                        'PHOTON FACTORY BEAMLINE BL-5A' 
_diffrn_source.pdbx_synchrotron_site       'Photon Factory' 
_diffrn_source.pdbx_synchrotron_beamline   BL-5A 
_diffrn_source.pdbx_wavelength             ? 
_diffrn_source.pdbx_wavelength_list        1.0000 
# 
_reflns.entry_id                     2PNV 
_reflns.observed_criterion_sigma_F   0.0 
_reflns.observed_criterion_sigma_I   0.0 
_reflns.d_resolution_high            2.1 
_reflns.d_resolution_low             50 
_reflns.number_all                   5216 
_reflns.number_obs                   5204 
_reflns.percent_possible_obs         99.8 
_reflns.pdbx_Rmerge_I_obs            0.062 
_reflns.pdbx_Rsym_value              0.062 
_reflns.pdbx_netI_over_sigmaI        68.1 
_reflns.B_iso_Wilson_estimate        ? 
_reflns.pdbx_redundancy              15.8 
_reflns.R_free_details               ? 
_reflns.limit_h_max                  ? 
_reflns.limit_h_min                  ? 
_reflns.limit_k_max                  ? 
_reflns.limit_k_min                  ? 
_reflns.limit_l_max                  ? 
_reflns.limit_l_min                  ? 
_reflns.observed_criterion_F_max     ? 
_reflns.observed_criterion_F_min     ? 
_reflns.pdbx_chi_squared             ? 
_reflns.pdbx_scaling_rejects         ? 
_reflns.pdbx_diffrn_id               1 
_reflns.pdbx_ordinal                 1 
# 
_reflns_shell.d_res_high             2.1 
_reflns_shell.d_res_low              2.14 
_reflns_shell.percent_possible_all   99.6 
_reflns_shell.Rmerge_I_obs           0.324 
_reflns_shell.pdbx_Rsym_value        0.324 
_reflns_shell.meanI_over_sigI_obs    8.2 
_reflns_shell.pdbx_redundancy        14.8 
_reflns_shell.percent_possible_obs   ? 
_reflns_shell.number_unique_all      232 
_reflns_shell.number_measured_all    ? 
_reflns_shell.number_measured_obs    ? 
_reflns_shell.number_unique_obs      ? 
_reflns_shell.pdbx_chi_squared       ? 
_reflns_shell.pdbx_diffrn_id         ? 
_reflns_shell.pdbx_ordinal           1 
# 
_refine.entry_id                                 2PNV 
_refine.ls_d_res_high                            2.1 
_refine.ls_d_res_low                             20 
_refine.pdbx_ls_sigma_F                          0.0 
_refine.pdbx_ls_sigma_I                          0.0 
_refine.ls_number_reflns_all                     5216 
_refine.ls_number_reflns_obs                     5204 
_refine.ls_number_reflns_R_free                  231 
_refine.ls_percent_reflns_obs                    99.8 
_refine.ls_R_factor_all                          0.215 
_refine.ls_R_factor_obs                          0.215 
_refine.ls_R_factor_R_work                       0.210 
_refine.ls_R_factor_R_free                       0.278 
_refine.ls_redundancy_reflns_obs                 ? 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.ls_number_parameters                     ? 
_refine.ls_number_restraints                     ? 
_refine.ls_percent_reflns_R_free                 ? 
_refine.ls_R_factor_R_free_error                 ? 
_refine.ls_R_factor_R_free_error_details         ? 
_refine.pdbx_method_to_determine_struct          'MOLECULAR REPLACEMENT' 
_refine.pdbx_starting_model                      'PDB entry 1C94' 
_refine.pdbx_ls_cross_valid_method               THROUGHOUT 
_refine.pdbx_R_Free_selection_details            RANDOM 
_refine.pdbx_stereochem_target_val_spec_case     ? 
_refine.pdbx_stereochemistry_target_values       'Engh & Huber' 
_refine.solvent_model_details                    ? 
_refine.solvent_model_param_bsol                 ? 
_refine.solvent_model_param_ksol                 ? 
_refine.occupancy_max                            ? 
_refine.occupancy_min                            ? 
_refine.pdbx_isotropic_thermal_model             anisotropic 
_refine.B_iso_mean                               52.3 
_refine.aniso_B[1][1]                            -9.748 
_refine.aniso_B[1][2]                            -5.371 
_refine.aniso_B[1][3]                            0.000 
_refine.aniso_B[2][2]                            -9.748 
_refine.aniso_B[2][3]                            0.000 
_refine.aniso_B[3][3]                            19.496 
_refine.details                                  
;THIS IS A TWINNED STRUCTURE. THE TWINNING OPERATOR IS (H,K,L) -> (H,-H-K,-L) AND THE TWINNING FRACTION IS 0.35. THE R-FACTOR IS 0.210 AND THE R-FREE IS 0.278 WHEN THIS TWINNING OPERATOR IS USED.
;
_refine.B_iso_min                                ? 
_refine.B_iso_max                                ? 
_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.overall_SU_R_Cruickshank_DPI             ? 
_refine.overall_SU_R_free                        ? 
_refine.overall_SU_ML                            ? 
_refine.overall_SU_B                             ? 
_refine.pdbx_overall_ESU_R_Free                  ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_refine.pdbx_overall_ESU_R                       ? 
_refine.ls_wR_factor_R_free                      ? 
_refine.ls_wR_factor_R_work                      ? 
_refine.overall_FOM_free_R_set                   ? 
_refine.overall_FOM_work_R_set                   ? 
_refine.pdbx_overall_phase_error                 ? 
_refine.pdbx_refine_id                           'X-RAY DIFFRACTION' 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_TLS_residual_ADP_flag               ? 
_refine.pdbx_overall_SU_R_free_Cruickshank_DPI   ? 
_refine.pdbx_overall_SU_R_Blow_DPI               ? 
_refine.pdbx_overall_SU_R_free_Blow_DPI          ? 
# 
_refine_analyze.entry_id                        2PNV 
_refine_analyze.Luzzati_coordinate_error_obs    0.37 
_refine_analyze.Luzzati_sigma_a_obs             0.36 
_refine_analyze.Luzzati_d_res_low_obs           5.00 
_refine_analyze.Luzzati_coordinate_error_free   ? 
_refine_analyze.Luzzati_sigma_a_free            ? 
_refine_analyze.Luzzati_d_res_low_free          ? 
_refine_analyze.number_disordered_residues      ? 
_refine_analyze.occupancy_sum_non_hydrogen      ? 
_refine_analyze.occupancy_sum_hydrogen          ? 
_refine_analyze.pdbx_Luzzati_d_res_high_obs     ? 
_refine_analyze.pdbx_refine_id                  'X-RAY DIFFRACTION' 
# 
_refine_hist.pdbx_refine_id                   'X-RAY DIFFRACTION' 
_refine_hist.cycle_id                         LAST 
_refine_hist.pdbx_number_atoms_protein        634 
_refine_hist.pdbx_number_atoms_nucleic_acid   0 
_refine_hist.pdbx_number_atoms_ligand         0 
_refine_hist.number_atoms_solvent             4 
_refine_hist.number_atoms_total               638 
_refine_hist.d_res_high                       2.1 
_refine_hist.d_res_low                        20 
# 
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 
c_bond_d           0.008 ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_deg        1.2   ? ? ? 'X-RAY DIFFRACTION' ? 
c_dihedral_angle_d 14.1  ? ? ? 'X-RAY DIFFRACTION' ? 
c_improper_angle_d 0.72  ? ? ? 'X-RAY DIFFRACTION' ? 
# 
_refine_ls_shell.pdbx_total_number_of_bins_used   ? 
_refine_ls_shell.d_res_high                       2.10 
_refine_ls_shell.d_res_low                        2.23 
_refine_ls_shell.number_reflns_R_work             ? 
_refine_ls_shell.R_factor_R_work                  0.355 
_refine_ls_shell.percent_reflns_obs               95.3 
_refine_ls_shell.R_factor_R_free                  0.331 
_refine_ls_shell.R_factor_R_free_error            0.046 
_refine_ls_shell.percent_reflns_R_free            ? 
_refine_ls_shell.number_reflns_R_free             52 
_refine_ls_shell.number_reflns_all                ? 
_refine_ls_shell.R_factor_all                     ? 
_refine_ls_shell.number_reflns_obs                766 
_refine_ls_shell.redundancy_reflns_obs            ? 
_refine_ls_shell.pdbx_refine_id                   'X-RAY DIFFRACTION' 
# 
_struct.entry_id                  2PNV 
_struct.title                     
'Crystal Structure of the leucine zipper domain of small-conductance Ca2+-activated K+ (SKCa) channel from Rattus norvegicus' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        2PNV 
_struct_keywords.pdbx_keywords   'MEMBRANE PROTEIN' 
_struct_keywords.text            'leucine zipper, SKCa channel, Rattus norvegicus, MEMBRANE PROTEIN' 
# 
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 1 ? 
C N N 2 ? 
D N N 2 ? 
# 
_struct_biol.id        1 
_struct_biol.details   ? 
# 
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 1 ASN A 5 ? ALA A 41 ? ASN A 488 ALA A 524 1 ? 37 
HELX_P HELX_P2 2 ASN B 5 ? HIS B 40 ? ASN B 488 HIS B 523 1 ? 36 
# 
_struct_conf_type.id          HELX_P 
_struct_conf_type.criteria    ? 
_struct_conf_type.reference   ? 
# 
_database_PDB_matrix.entry_id          2PNV 
_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                    2PNV 
_atom_sites.fract_transf_matrix[1][1]   0.034247 
_atom_sites.fract_transf_matrix[1][2]   0.019772 
_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]   0.039545 
_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]   0.005184 
_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_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  GLY 1  484 ?   ?   ?   A . n 
A 1 2  SER 2  485 ?   ?   ?   A . n 
A 1 3  HIS 3  486 ?   ?   ?   A . n 
A 1 4  MET 4  487 ?   ?   ?   A . n 
A 1 5  ASN 5  488 488 ASN ASN A . n 
A 1 6  ILE 6  489 489 ILE ILE A . n 
A 1 7  MET 7  490 490 MET MET A . n 
A 1 8  TYR 8  491 491 TYR TYR A . n 
A 1 9  ASP 9  492 492 ASP ASP A . n 
A 1 10 MET 10 493 493 MET MET A . n 
A 1 11 ILE 11 494 494 ILE ILE A . n 
A 1 12 SER 12 495 495 SER SER A . n 
A 1 13 ASP 13 496 496 ASP ASP A . n 
A 1 14 LEU 14 497 497 LEU LEU A . n 
A 1 15 ASN 15 498 498 ASN ASN A . n 
A 1 16 GLU 16 499 499 GLU GLU A . n 
A 1 17 ARG 17 500 500 ARG ARG A . n 
A 1 18 SER 18 501 501 SER SER A . n 
A 1 19 GLU 19 502 502 GLU GLU A . n 
A 1 20 ASP 20 503 503 ASP ASP A . n 
A 1 21 PHE 21 504 504 PHE PHE A . n 
A 1 22 GLU 22 505 505 GLU GLU A . n 
A 1 23 LYS 23 506 506 LYS LYS A . n 
A 1 24 ARG 24 507 507 ARG ARG A . n 
A 1 25 ILE 25 508 508 ILE ILE A . n 
A 1 26 VAL 26 509 509 VAL VAL A . n 
A 1 27 THR 27 510 510 THR THR A . n 
A 1 28 LEU 28 511 511 LEU LEU A . n 
A 1 29 GLU 29 512 512 GLU GLU A . n 
A 1 30 THR 30 513 513 THR THR A . n 
A 1 31 LYS 31 514 514 LYS LYS A . n 
A 1 32 LEU 32 515 515 LEU LEU A . n 
A 1 33 GLU 33 516 516 GLU GLU A . n 
A 1 34 THR 34 517 517 THR THR A . n 
A 1 35 LEU 35 518 518 LEU LEU A . n 
A 1 36 ILE 36 519 519 ILE ILE A . n 
A 1 37 GLY 37 520 520 GLY GLY A . n 
A 1 38 SER 38 521 521 SER SER A . n 
A 1 39 ILE 39 522 522 ILE ILE A . n 
A 1 40 HIS 40 523 523 HIS HIS A . n 
A 1 41 ALA 41 524 524 ALA ALA A . n 
A 1 42 LEU 42 525 525 LEU LEU A . n 
A 1 43 PRO 43 526 526 PRO PRO A . n 
B 1 1  GLY 1  484 ?   ?   ?   B . n 
B 1 2  SER 2  485 ?   ?   ?   B . n 
B 1 3  HIS 3  486 ?   ?   ?   B . n 
B 1 4  MET 4  487 ?   ?   ?   B . n 
B 1 5  ASN 5  488 488 ASN ASN B . n 
B 1 6  ILE 6  489 489 ILE ILE B . n 
B 1 7  MET 7  490 490 MET MET B . n 
B 1 8  TYR 8  491 491 TYR TYR B . n 
B 1 9  ASP 9  492 492 ASP ASP B . n 
B 1 10 MET 10 493 493 MET MET B . n 
B 1 11 ILE 11 494 494 ILE ILE B . n 
B 1 12 SER 12 495 495 SER SER B . n 
B 1 13 ASP 13 496 496 ASP ASP B . n 
B 1 14 LEU 14 497 497 LEU LEU B . n 
B 1 15 ASN 15 498 498 ASN ASN B . n 
B 1 16 GLU 16 499 499 GLU GLU B . n 
B 1 17 ARG 17 500 500 ARG ARG B . n 
B 1 18 SER 18 501 501 SER SER B . n 
B 1 19 GLU 19 502 502 GLU GLU B . n 
B 1 20 ASP 20 503 503 ASP ASP B . n 
B 1 21 PHE 21 504 504 PHE PHE B . n 
B 1 22 GLU 22 505 505 GLU GLU B . n 
B 1 23 LYS 23 506 506 LYS LYS B . n 
B 1 24 ARG 24 507 507 ARG ARG B . n 
B 1 25 ILE 25 508 508 ILE ILE B . n 
B 1 26 VAL 26 509 509 VAL VAL B . n 
B 1 27 THR 27 510 510 THR THR B . n 
B 1 28 LEU 28 511 511 LEU LEU B . n 
B 1 29 GLU 29 512 512 GLU GLU B . n 
B 1 30 THR 30 513 513 THR THR B . n 
B 1 31 LYS 31 514 514 LYS LYS B . n 
B 1 32 LEU 32 515 515 LEU LEU B . n 
B 1 33 GLU 33 516 516 GLU GLU B . n 
B 1 34 THR 34 517 517 THR THR B . n 
B 1 35 LEU 35 518 518 LEU LEU B . n 
B 1 36 ILE 36 519 519 ILE ILE B . n 
B 1 37 GLY 37 520 520 GLY GLY B . n 
B 1 38 SER 38 521 521 SER SER B . n 
B 1 39 ILE 39 522 522 ILE ILE B . n 
B 1 40 HIS 40 523 523 HIS HIS B . n 
B 1 41 ALA 41 524 524 ALA ALA B . n 
B 1 42 LEU 42 525 525 LEU LEU B . n 
B 1 43 PRO 43 526 526 PRO PRO B . 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 2 HOH 1 527 1 HOH TIP A . 
D 2 HOH 1 527 2 HOH TIP B . 
D 2 HOH 2 528 3 HOH TIP B . 
D 2 HOH 3 529 4 HOH TIP B . 
# 
loop_
_pdbx_struct_assembly.id 
_pdbx_struct_assembly.details 
_pdbx_struct_assembly.method_details 
_pdbx_struct_assembly.oligomeric_details 
_pdbx_struct_assembly.oligomeric_count 
1 software_defined_assembly            PISA trimeric  3 
2 software_defined_assembly            PISA trimeric  3 
3 author_and_software_defined_assembly PISA hexameric 6 
# 
loop_
_pdbx_struct_assembly_gen.assembly_id 
_pdbx_struct_assembly_gen.oper_expression 
_pdbx_struct_assembly_gen.asym_id_list 
1 1,2,3 A,C 
2 1,4,5 B,D 
3 1,2,3 A,C 
3 6,7,8 B,D 
# 
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)' 3900  ? 
1 MORE         -40   ? 
1 'SSA (A^2)'  7480  ? 
2 'ABSA (A^2)' 3900  ? 
2 MORE         -33   ? 
2 'SSA (A^2)'  7630  ? 
3 'ABSA (A^2)' 8900  ? 
3 MORE         -83   ? 
3 'SSA (A^2)'  14010 ? 
# 
loop_
_pdbx_struct_oper_list.id 
_pdbx_struct_oper_list.type 
_pdbx_struct_oper_list.name 
_pdbx_struct_oper_list.symmetry_operation 
_pdbx_struct_oper_list.matrix[1][1] 
_pdbx_struct_oper_list.matrix[1][2] 
_pdbx_struct_oper_list.matrix[1][3] 
_pdbx_struct_oper_list.vector[1] 
_pdbx_struct_oper_list.matrix[2][1] 
_pdbx_struct_oper_list.matrix[2][2] 
_pdbx_struct_oper_list.matrix[2][3] 
_pdbx_struct_oper_list.vector[2] 
_pdbx_struct_oper_list.matrix[3][1] 
_pdbx_struct_oper_list.matrix[3][2] 
_pdbx_struct_oper_list.matrix[3][3] 
_pdbx_struct_oper_list.vector[3] 
1 'identity operation'         1_555 x,y,z           1.0000000000  0.0000000000  0.0000000000 0.0000000000   0.0000000000  
1.0000000000  0.0000000000 0.0000000000   0.0000000000 0.0000000000 1.0000000000 0.0000000000   
2 'crystal symmetry operation' 2_445 -y-1,x-y-1,z    -0.5000000000 -0.8660254038 0.0000000000 -14.6000000000 0.8660254038  
-0.5000000000 0.0000000000 -25.2879417905 0.0000000000 0.0000000000 1.0000000000 0.0000000000   
3 'crystal symmetry operation' 3_545 -x+y,-x-1,z     -0.5000000000 0.8660254038  0.0000000000 14.6000000000  -0.8660254038 
-0.5000000000 0.0000000000 -25.2879417905 0.0000000000 0.0000000000 1.0000000000 0.0000000000   
4 'crystal symmetry operation' 2_455 -y-1,x-y,z      -0.5000000000 -0.8660254038 0.0000000000 -29.2000000000 0.8660254038  
-0.5000000000 0.0000000000 0.0000000000   0.0000000000 0.0000000000 1.0000000000 0.0000000000   
5 'crystal symmetry operation' 3_445 -x+y-1,-x-1,z   -0.5000000000 0.8660254038  0.0000000000 -14.6000000000 -0.8660254038 
-0.5000000000 0.0000000000 -25.2879417905 0.0000000000 0.0000000000 1.0000000000 0.0000000000   
6 'crystal symmetry operation' 4_444 -x-1,-y-1,z-1/2 -1.0000000000 0.0000000000  0.0000000000 -14.6000000000 0.0000000000  
-1.0000000000 0.0000000000 -25.2879417905 0.0000000000 0.0000000000 1.0000000000 -96.4500000000 
7 'crystal symmetry operation' 5_544 y,-x+y-1,z-1/2  0.5000000000  0.8660254038  0.0000000000 14.6000000000  -0.8660254038 
0.5000000000  0.0000000000 -25.2879417905 0.0000000000 0.0000000000 1.0000000000 -96.4500000000 
8 'crystal symmetry operation' 6_554 x-y,x,z-1/2     0.5000000000  -0.8660254038 0.0000000000 0.0000000000   0.8660254038  
0.5000000000  0.0000000000 0.0000000000   0.0000000000 0.0000000000 1.0000000000 -96.4500000000 
# 
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 2008-04-29 
2 'Structure model' 1 1 2011-07-13 
3 'Structure model' 1 2 2023-10-25 
# 
_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         ? 
_pdbx_audit_revision_details.details             ? 
# 
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' 'Data collection'           
3 3 'Structure model' 'Database references'       
4 3 'Structure model' 'Refinement description'    
# 
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 3 'Structure model' chem_comp_atom                
2 3 'Structure model' chem_comp_bond                
3 3 'Structure model' database_2                    
4 3 'Structure model' pdbx_initial_refinement_model 
5 3 'Structure model' struct_ref_seq_dif            
# 
loop_
_pdbx_audit_revision_item.ordinal 
_pdbx_audit_revision_item.revision_ordinal 
_pdbx_audit_revision_item.data_content_type 
_pdbx_audit_revision_item.item 
1 3 'Structure model' '_database_2.pdbx_DOI'                
2 3 'Structure model' '_database_2.pdbx_database_accession' 
3 3 'Structure model' '_struct_ref_seq_dif.details'         
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
HKL-2000 'data collection' .   ? 1 
PHASER   phasing           .   ? 2 
CNS      refinement        1.1 ? 3 
HKL-2000 'data reduction'  .   ? 4 
HKL-2000 'data scaling'    .   ? 5 
# 
loop_
_pdbx_validate_rmsd_bond.id 
_pdbx_validate_rmsd_bond.PDB_model_num 
_pdbx_validate_rmsd_bond.auth_atom_id_1 
_pdbx_validate_rmsd_bond.auth_asym_id_1 
_pdbx_validate_rmsd_bond.auth_comp_id_1 
_pdbx_validate_rmsd_bond.auth_seq_id_1 
_pdbx_validate_rmsd_bond.PDB_ins_code_1 
_pdbx_validate_rmsd_bond.label_alt_id_1 
_pdbx_validate_rmsd_bond.auth_atom_id_2 
_pdbx_validate_rmsd_bond.auth_asym_id_2 
_pdbx_validate_rmsd_bond.auth_comp_id_2 
_pdbx_validate_rmsd_bond.auth_seq_id_2 
_pdbx_validate_rmsd_bond.PDB_ins_code_2 
_pdbx_validate_rmsd_bond.label_alt_id_2 
_pdbx_validate_rmsd_bond.bond_value 
_pdbx_validate_rmsd_bond.bond_target_value 
_pdbx_validate_rmsd_bond.bond_deviation 
_pdbx_validate_rmsd_bond.bond_standard_deviation 
_pdbx_validate_rmsd_bond.linker_flag 
1 1 C B LEU 525 ? ? O B LEU 525 ? ? 1.067 1.229 -0.162 0.019 N 
2 1 C B LEU 525 ? ? N B PRO 526 ? ? 1.210 1.338 -0.128 0.019 Y 
# 
loop_
_pdbx_validate_rmsd_angle.id 
_pdbx_validate_rmsd_angle.PDB_model_num 
_pdbx_validate_rmsd_angle.auth_atom_id_1 
_pdbx_validate_rmsd_angle.auth_asym_id_1 
_pdbx_validate_rmsd_angle.auth_comp_id_1 
_pdbx_validate_rmsd_angle.auth_seq_id_1 
_pdbx_validate_rmsd_angle.PDB_ins_code_1 
_pdbx_validate_rmsd_angle.label_alt_id_1 
_pdbx_validate_rmsd_angle.auth_atom_id_2 
_pdbx_validate_rmsd_angle.auth_asym_id_2 
_pdbx_validate_rmsd_angle.auth_comp_id_2 
_pdbx_validate_rmsd_angle.auth_seq_id_2 
_pdbx_validate_rmsd_angle.PDB_ins_code_2 
_pdbx_validate_rmsd_angle.label_alt_id_2 
_pdbx_validate_rmsd_angle.auth_atom_id_3 
_pdbx_validate_rmsd_angle.auth_asym_id_3 
_pdbx_validate_rmsd_angle.auth_comp_id_3 
_pdbx_validate_rmsd_angle.auth_seq_id_3 
_pdbx_validate_rmsd_angle.PDB_ins_code_3 
_pdbx_validate_rmsd_angle.label_alt_id_3 
_pdbx_validate_rmsd_angle.angle_value 
_pdbx_validate_rmsd_angle.angle_target_value 
_pdbx_validate_rmsd_angle.angle_deviation 
_pdbx_validate_rmsd_angle.angle_standard_deviation 
_pdbx_validate_rmsd_angle.linker_flag 
1 1 CA B LEU 525 ? ? CB B LEU 525 ? ? CG B LEU 525 ? ? 129.70 115.30 14.40  2.30 N 
2 1 CA B LEU 525 ? ? C  B LEU 525 ? ? N  B PRO 526 ? ? 96.70  117.10 -20.40 2.80 Y 
3 1 O  B LEU 525 ? ? C  B LEU 525 ? ? N  B PRO 526 ? ? 139.39 121.10 18.29  1.90 Y 
4 1 C  B LEU 525 ? ? N  B PRO 526 ? ? CA B PRO 526 ? ? 103.73 119.30 -15.57 1.50 Y 
# 
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 LEU A 515 ? ? -47.81  -74.76 
2 1 ILE A 522 ? ? -104.73 -62.91 
3 1 HIS A 523 ? ? -48.65  -71.27 
4 1 ALA A 524 ? ? -25.85  -97.82 
5 1 THR B 513 ? ? -48.59  -70.26 
# 
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 A GLY 484 ? A GLY 1 
2 1 Y 1 A SER 485 ? A SER 2 
3 1 Y 1 A HIS 486 ? A HIS 3 
4 1 Y 1 A MET 487 ? A MET 4 
5 1 Y 1 B GLY 484 ? B GLY 1 
6 1 Y 1 B SER 485 ? B SER 2 
7 1 Y 1 B HIS 486 ? B HIS 3 
8 1 Y 1 B MET 487 ? B MET 4 
# 
loop_
_chem_comp_atom.comp_id 
_chem_comp_atom.atom_id 
_chem_comp_atom.type_symbol 
_chem_comp_atom.pdbx_aromatic_flag 
_chem_comp_atom.pdbx_stereo_config 
_chem_comp_atom.pdbx_ordinal 
ALA N    N N N 1   
ALA CA   C N S 2   
ALA C    C N N 3   
ALA O    O N N 4   
ALA CB   C N N 5   
ALA OXT  O N N 6   
ALA H    H N N 7   
ALA H2   H N N 8   
ALA HA   H N N 9   
ALA HB1  H N N 10  
ALA HB2  H N N 11  
ALA HB3  H N N 12  
ALA HXT  H N N 13  
ARG N    N N N 14  
ARG CA   C N S 15  
ARG C    C N N 16  
ARG O    O N N 17  
ARG CB   C N N 18  
ARG CG   C N N 19  
ARG CD   C N N 20  
ARG NE   N N N 21  
ARG CZ   C N N 22  
ARG NH1  N N N 23  
ARG NH2  N N N 24  
ARG OXT  O N N 25  
ARG H    H N N 26  
ARG H2   H N N 27  
ARG HA   H N N 28  
ARG HB2  H N N 29  
ARG HB3  H N N 30  
ARG HG2  H N N 31  
ARG HG3  H N N 32  
ARG HD2  H N N 33  
ARG HD3  H N N 34  
ARG HE   H N N 35  
ARG HH11 H N N 36  
ARG HH12 H N N 37  
ARG HH21 H N N 38  
ARG HH22 H N N 39  
ARG HXT  H N N 40  
ASN N    N N N 41  
ASN CA   C N S 42  
ASN C    C N N 43  
ASN O    O N N 44  
ASN CB   C N N 45  
ASN CG   C N N 46  
ASN OD1  O N N 47  
ASN ND2  N N N 48  
ASN OXT  O N N 49  
ASN H    H N N 50  
ASN H2   H N N 51  
ASN HA   H N N 52  
ASN HB2  H N N 53  
ASN HB3  H N N 54  
ASN HD21 H N N 55  
ASN HD22 H N N 56  
ASN HXT  H N N 57  
ASP N    N N N 58  
ASP CA   C N S 59  
ASP C    C N N 60  
ASP O    O N N 61  
ASP CB   C N N 62  
ASP CG   C N N 63  
ASP OD1  O N N 64  
ASP OD2  O N N 65  
ASP OXT  O N N 66  
ASP H    H N N 67  
ASP H2   H N N 68  
ASP HA   H N N 69  
ASP HB2  H N N 70  
ASP HB3  H N N 71  
ASP HD2  H N N 72  
ASP HXT  H N N 73  
GLU N    N N N 74  
GLU CA   C N S 75  
GLU C    C N N 76  
GLU O    O N N 77  
GLU CB   C N N 78  
GLU CG   C N N 79  
GLU CD   C N N 80  
GLU OE1  O N N 81  
GLU OE2  O N N 82  
GLU OXT  O N N 83  
GLU H    H N N 84  
GLU H2   H N N 85  
GLU HA   H N N 86  
GLU HB2  H N N 87  
GLU HB3  H N N 88  
GLU HG2  H N N 89  
GLU HG3  H N N 90  
GLU HE2  H N N 91  
GLU HXT  H N N 92  
GLY N    N N N 93  
GLY CA   C N N 94  
GLY C    C N N 95  
GLY O    O N N 96  
GLY OXT  O N N 97  
GLY H    H N N 98  
GLY H2   H N N 99  
GLY HA2  H N N 100 
GLY HA3  H N N 101 
GLY HXT  H N N 102 
HIS N    N N N 103 
HIS CA   C N S 104 
HIS C    C N N 105 
HIS O    O N N 106 
HIS CB   C N N 107 
HIS CG   C Y N 108 
HIS ND1  N Y N 109 
HIS CD2  C Y N 110 
HIS CE1  C Y N 111 
HIS NE2  N Y N 112 
HIS OXT  O N N 113 
HIS H    H N N 114 
HIS H2   H N N 115 
HIS HA   H N N 116 
HIS HB2  H N N 117 
HIS HB3  H N N 118 
HIS HD1  H N N 119 
HIS HD2  H N N 120 
HIS HE1  H N N 121 
HIS HE2  H N N 122 
HIS HXT  H N N 123 
HOH O    O N N 124 
HOH H1   H N N 125 
HOH H2   H N N 126 
ILE N    N N N 127 
ILE CA   C N S 128 
ILE C    C N N 129 
ILE O    O N N 130 
ILE CB   C N S 131 
ILE CG1  C N N 132 
ILE CG2  C N N 133 
ILE CD1  C N N 134 
ILE OXT  O N N 135 
ILE H    H N N 136 
ILE H2   H N N 137 
ILE HA   H N N 138 
ILE HB   H N N 139 
ILE HG12 H N N 140 
ILE HG13 H N N 141 
ILE HG21 H N N 142 
ILE HG22 H N N 143 
ILE HG23 H N N 144 
ILE HD11 H N N 145 
ILE HD12 H N N 146 
ILE HD13 H N N 147 
ILE HXT  H N N 148 
LEU N    N N N 149 
LEU CA   C N S 150 
LEU C    C N N 151 
LEU O    O N N 152 
LEU CB   C N N 153 
LEU CG   C N N 154 
LEU CD1  C N N 155 
LEU CD2  C N N 156 
LEU OXT  O N N 157 
LEU H    H N N 158 
LEU H2   H N N 159 
LEU HA   H N N 160 
LEU HB2  H N N 161 
LEU HB3  H N N 162 
LEU HG   H N N 163 
LEU HD11 H N N 164 
LEU HD12 H N N 165 
LEU HD13 H N N 166 
LEU HD21 H N N 167 
LEU HD22 H N N 168 
LEU HD23 H N N 169 
LEU HXT  H N N 170 
LYS N    N N N 171 
LYS CA   C N S 172 
LYS C    C N N 173 
LYS O    O N N 174 
LYS CB   C N N 175 
LYS CG   C N N 176 
LYS CD   C N N 177 
LYS CE   C N N 178 
LYS NZ   N N N 179 
LYS OXT  O N N 180 
LYS H    H N N 181 
LYS H2   H N N 182 
LYS HA   H N N 183 
LYS HB2  H N N 184 
LYS HB3  H N N 185 
LYS HG2  H N N 186 
LYS HG3  H N N 187 
LYS HD2  H N N 188 
LYS HD3  H N N 189 
LYS HE2  H N N 190 
LYS HE3  H N N 191 
LYS HZ1  H N N 192 
LYS HZ2  H N N 193 
LYS HZ3  H N N 194 
LYS HXT  H N N 195 
MET N    N N N 196 
MET CA   C N S 197 
MET C    C N N 198 
MET O    O N N 199 
MET CB   C N N 200 
MET CG   C N N 201 
MET SD   S N N 202 
MET CE   C N N 203 
MET OXT  O N N 204 
MET H    H N N 205 
MET H2   H N N 206 
MET HA   H N N 207 
MET HB2  H N N 208 
MET HB3  H N N 209 
MET HG2  H N N 210 
MET HG3  H N N 211 
MET HE1  H N N 212 
MET HE2  H N N 213 
MET HE3  H N N 214 
MET HXT  H N N 215 
PHE N    N N N 216 
PHE CA   C N S 217 
PHE C    C N N 218 
PHE O    O N N 219 
PHE CB   C N N 220 
PHE CG   C Y N 221 
PHE CD1  C Y N 222 
PHE CD2  C Y N 223 
PHE CE1  C Y N 224 
PHE CE2  C Y N 225 
PHE CZ   C Y N 226 
PHE OXT  O N N 227 
PHE H    H N N 228 
PHE H2   H N N 229 
PHE HA   H N N 230 
PHE HB2  H N N 231 
PHE HB3  H N N 232 
PHE HD1  H N N 233 
PHE HD2  H N N 234 
PHE HE1  H N N 235 
PHE HE2  H N N 236 
PHE HZ   H N N 237 
PHE HXT  H N N 238 
PRO N    N N N 239 
PRO CA   C N S 240 
PRO C    C N N 241 
PRO O    O N N 242 
PRO CB   C N N 243 
PRO CG   C N N 244 
PRO CD   C N N 245 
PRO OXT  O N N 246 
PRO H    H N N 247 
PRO HA   H N N 248 
PRO HB2  H N N 249 
PRO HB3  H N N 250 
PRO HG2  H N N 251 
PRO HG3  H N N 252 
PRO HD2  H N N 253 
PRO HD3  H N N 254 
PRO HXT  H N N 255 
SER N    N N N 256 
SER CA   C N S 257 
SER C    C N N 258 
SER O    O N N 259 
SER CB   C N N 260 
SER OG   O N N 261 
SER OXT  O N N 262 
SER H    H N N 263 
SER H2   H N N 264 
SER HA   H N N 265 
SER HB2  H N N 266 
SER HB3  H N N 267 
SER HG   H N N 268 
SER HXT  H N N 269 
THR N    N N N 270 
THR CA   C N S 271 
THR C    C N N 272 
THR O    O N N 273 
THR CB   C N R 274 
THR OG1  O N N 275 
THR CG2  C N N 276 
THR OXT  O N N 277 
THR H    H N N 278 
THR H2   H N N 279 
THR HA   H N N 280 
THR HB   H N N 281 
THR HG1  H N N 282 
THR HG21 H N N 283 
THR HG22 H N N 284 
THR HG23 H N N 285 
THR HXT  H N N 286 
TYR N    N N N 287 
TYR CA   C N S 288 
TYR C    C N N 289 
TYR O    O N N 290 
TYR CB   C N N 291 
TYR CG   C Y N 292 
TYR CD1  C Y N 293 
TYR CD2  C Y N 294 
TYR CE1  C Y N 295 
TYR CE2  C Y N 296 
TYR CZ   C Y N 297 
TYR OH   O N N 298 
TYR OXT  O N N 299 
TYR H    H N N 300 
TYR H2   H N N 301 
TYR HA   H N N 302 
TYR HB2  H N N 303 
TYR HB3  H N N 304 
TYR HD1  H N N 305 
TYR HD2  H N N 306 
TYR HE1  H N N 307 
TYR HE2  H N N 308 
TYR HH   H N N 309 
TYR HXT  H N N 310 
VAL N    N N N 311 
VAL CA   C N S 312 
VAL C    C N N 313 
VAL O    O N N 314 
VAL CB   C N N 315 
VAL CG1  C N N 316 
VAL CG2  C N N 317 
VAL OXT  O N N 318 
VAL H    H N N 319 
VAL H2   H N N 320 
VAL HA   H N N 321 
VAL HB   H N N 322 
VAL HG11 H N N 323 
VAL HG12 H N N 324 
VAL HG13 H N N 325 
VAL HG21 H N N 326 
VAL HG22 H N N 327 
VAL HG23 H N N 328 
VAL HXT  H N N 329 
# 
loop_
_chem_comp_bond.comp_id 
_chem_comp_bond.atom_id_1 
_chem_comp_bond.atom_id_2 
_chem_comp_bond.value_order 
_chem_comp_bond.pdbx_aromatic_flag 
_chem_comp_bond.pdbx_stereo_config 
_chem_comp_bond.pdbx_ordinal 
ALA N   CA   sing N N 1   
ALA N   H    sing N N 2   
ALA N   H2   sing N N 3   
ALA CA  C    sing N N 4   
ALA CA  CB   sing N N 5   
ALA CA  HA   sing N N 6   
ALA C   O    doub N N 7   
ALA C   OXT  sing N N 8   
ALA CB  HB1  sing N N 9   
ALA CB  HB2  sing N N 10  
ALA CB  HB3  sing N N 11  
ALA OXT HXT  sing N N 12  
ARG N   CA   sing N N 13  
ARG N   H    sing N N 14  
ARG N   H2   sing N N 15  
ARG CA  C    sing N N 16  
ARG CA  CB   sing N N 17  
ARG CA  HA   sing N N 18  
ARG C   O    doub N N 19  
ARG C   OXT  sing N N 20  
ARG CB  CG   sing N N 21  
ARG CB  HB2  sing N N 22  
ARG CB  HB3  sing N N 23  
ARG CG  CD   sing N N 24  
ARG CG  HG2  sing N N 25  
ARG CG  HG3  sing N N 26  
ARG CD  NE   sing N N 27  
ARG CD  HD2  sing N N 28  
ARG CD  HD3  sing N N 29  
ARG NE  CZ   sing N N 30  
ARG NE  HE   sing N N 31  
ARG CZ  NH1  sing N N 32  
ARG CZ  NH2  doub N N 33  
ARG NH1 HH11 sing N N 34  
ARG NH1 HH12 sing N N 35  
ARG NH2 HH21 sing N N 36  
ARG NH2 HH22 sing N N 37  
ARG OXT HXT  sing N N 38  
ASN N   CA   sing N N 39  
ASN N   H    sing N N 40  
ASN N   H2   sing N N 41  
ASN CA  C    sing N N 42  
ASN CA  CB   sing N N 43  
ASN CA  HA   sing N N 44  
ASN C   O    doub N N 45  
ASN C   OXT  sing N N 46  
ASN CB  CG   sing N N 47  
ASN CB  HB2  sing N N 48  
ASN CB  HB3  sing N N 49  
ASN CG  OD1  doub N N 50  
ASN CG  ND2  sing N N 51  
ASN ND2 HD21 sing N N 52  
ASN ND2 HD22 sing N N 53  
ASN OXT HXT  sing N N 54  
ASP N   CA   sing N N 55  
ASP N   H    sing N N 56  
ASP N   H2   sing N N 57  
ASP CA  C    sing N N 58  
ASP CA  CB   sing N N 59  
ASP CA  HA   sing N N 60  
ASP C   O    doub N N 61  
ASP C   OXT  sing N N 62  
ASP CB  CG   sing N N 63  
ASP CB  HB2  sing N N 64  
ASP CB  HB3  sing N N 65  
ASP CG  OD1  doub N N 66  
ASP CG  OD2  sing N N 67  
ASP OD2 HD2  sing N N 68  
ASP OXT HXT  sing N N 69  
GLU N   CA   sing N N 70  
GLU N   H    sing N N 71  
GLU N   H2   sing N N 72  
GLU CA  C    sing N N 73  
GLU CA  CB   sing N N 74  
GLU CA  HA   sing N N 75  
GLU C   O    doub N N 76  
GLU C   OXT  sing N N 77  
GLU CB  CG   sing N N 78  
GLU CB  HB2  sing N N 79  
GLU CB  HB3  sing N N 80  
GLU CG  CD   sing N N 81  
GLU CG  HG2  sing N N 82  
GLU CG  HG3  sing N N 83  
GLU CD  OE1  doub N N 84  
GLU CD  OE2  sing N N 85  
GLU OE2 HE2  sing N N 86  
GLU OXT HXT  sing N N 87  
GLY N   CA   sing N N 88  
GLY N   H    sing N N 89  
GLY N   H2   sing N N 90  
GLY CA  C    sing N N 91  
GLY CA  HA2  sing N N 92  
GLY CA  HA3  sing N N 93  
GLY C   O    doub N N 94  
GLY C   OXT  sing N N 95  
GLY OXT HXT  sing N N 96  
HIS N   CA   sing N N 97  
HIS N   H    sing N N 98  
HIS N   H2   sing N N 99  
HIS CA  C    sing N N 100 
HIS CA  CB   sing N N 101 
HIS CA  HA   sing N N 102 
HIS C   O    doub N N 103 
HIS C   OXT  sing N N 104 
HIS CB  CG   sing N N 105 
HIS CB  HB2  sing N N 106 
HIS CB  HB3  sing N N 107 
HIS CG  ND1  sing Y N 108 
HIS CG  CD2  doub Y N 109 
HIS ND1 CE1  doub Y N 110 
HIS ND1 HD1  sing N N 111 
HIS CD2 NE2  sing Y N 112 
HIS CD2 HD2  sing N N 113 
HIS CE1 NE2  sing Y N 114 
HIS CE1 HE1  sing N N 115 
HIS NE2 HE2  sing N N 116 
HIS OXT HXT  sing N N 117 
HOH O   H1   sing N N 118 
HOH O   H2   sing N N 119 
ILE N   CA   sing N N 120 
ILE N   H    sing N N 121 
ILE N   H2   sing N N 122 
ILE CA  C    sing N N 123 
ILE CA  CB   sing N N 124 
ILE CA  HA   sing N N 125 
ILE C   O    doub N N 126 
ILE C   OXT  sing N N 127 
ILE CB  CG1  sing N N 128 
ILE CB  CG2  sing N N 129 
ILE CB  HB   sing N N 130 
ILE CG1 CD1  sing N N 131 
ILE CG1 HG12 sing N N 132 
ILE CG1 HG13 sing N N 133 
ILE CG2 HG21 sing N N 134 
ILE CG2 HG22 sing N N 135 
ILE CG2 HG23 sing N N 136 
ILE CD1 HD11 sing N N 137 
ILE CD1 HD12 sing N N 138 
ILE CD1 HD13 sing N N 139 
ILE OXT HXT  sing N N 140 
LEU N   CA   sing N N 141 
LEU N   H    sing N N 142 
LEU N   H2   sing N N 143 
LEU CA  C    sing N N 144 
LEU CA  CB   sing N N 145 
LEU CA  HA   sing N N 146 
LEU C   O    doub N N 147 
LEU C   OXT  sing N N 148 
LEU CB  CG   sing N N 149 
LEU CB  HB2  sing N N 150 
LEU CB  HB3  sing N N 151 
LEU CG  CD1  sing N N 152 
LEU CG  CD2  sing N N 153 
LEU CG  HG   sing N N 154 
LEU CD1 HD11 sing N N 155 
LEU CD1 HD12 sing N N 156 
LEU CD1 HD13 sing N N 157 
LEU CD2 HD21 sing N N 158 
LEU CD2 HD22 sing N N 159 
LEU CD2 HD23 sing N N 160 
LEU OXT HXT  sing N N 161 
LYS N   CA   sing N N 162 
LYS N   H    sing N N 163 
LYS N   H2   sing N N 164 
LYS CA  C    sing N N 165 
LYS CA  CB   sing N N 166 
LYS CA  HA   sing N N 167 
LYS C   O    doub N N 168 
LYS C   OXT  sing N N 169 
LYS CB  CG   sing N N 170 
LYS CB  HB2  sing N N 171 
LYS CB  HB3  sing N N 172 
LYS CG  CD   sing N N 173 
LYS CG  HG2  sing N N 174 
LYS CG  HG3  sing N N 175 
LYS CD  CE   sing N N 176 
LYS CD  HD2  sing N N 177 
LYS CD  HD3  sing N N 178 
LYS CE  NZ   sing N N 179 
LYS CE  HE2  sing N N 180 
LYS CE  HE3  sing N N 181 
LYS NZ  HZ1  sing N N 182 
LYS NZ  HZ2  sing N N 183 
LYS NZ  HZ3  sing N N 184 
LYS OXT HXT  sing N N 185 
MET N   CA   sing N N 186 
MET N   H    sing N N 187 
MET N   H2   sing N N 188 
MET CA  C    sing N N 189 
MET CA  CB   sing N N 190 
MET CA  HA   sing N N 191 
MET C   O    doub N N 192 
MET C   OXT  sing N N 193 
MET CB  CG   sing N N 194 
MET CB  HB2  sing N N 195 
MET CB  HB3  sing N N 196 
MET CG  SD   sing N N 197 
MET CG  HG2  sing N N 198 
MET CG  HG3  sing N N 199 
MET SD  CE   sing N N 200 
MET CE  HE1  sing N N 201 
MET CE  HE2  sing N N 202 
MET CE  HE3  sing N N 203 
MET OXT HXT  sing N N 204 
PHE N   CA   sing N N 205 
PHE N   H    sing N N 206 
PHE N   H2   sing N N 207 
PHE CA  C    sing N N 208 
PHE CA  CB   sing N N 209 
PHE CA  HA   sing N N 210 
PHE C   O    doub N N 211 
PHE C   OXT  sing N N 212 
PHE CB  CG   sing N N 213 
PHE CB  HB2  sing N N 214 
PHE CB  HB3  sing N N 215 
PHE CG  CD1  doub Y N 216 
PHE CG  CD2  sing Y N 217 
PHE CD1 CE1  sing Y N 218 
PHE CD1 HD1  sing N N 219 
PHE CD2 CE2  doub Y N 220 
PHE CD2 HD2  sing N N 221 
PHE CE1 CZ   doub Y N 222 
PHE CE1 HE1  sing N N 223 
PHE CE2 CZ   sing Y N 224 
PHE CE2 HE2  sing N N 225 
PHE CZ  HZ   sing N N 226 
PHE OXT HXT  sing N N 227 
PRO N   CA   sing N N 228 
PRO N   CD   sing N N 229 
PRO N   H    sing N N 230 
PRO CA  C    sing N N 231 
PRO CA  CB   sing N N 232 
PRO CA  HA   sing N N 233 
PRO C   O    doub N N 234 
PRO C   OXT  sing N N 235 
PRO CB  CG   sing N N 236 
PRO CB  HB2  sing N N 237 
PRO CB  HB3  sing N N 238 
PRO CG  CD   sing N N 239 
PRO CG  HG2  sing N N 240 
PRO CG  HG3  sing N N 241 
PRO CD  HD2  sing N N 242 
PRO CD  HD3  sing N N 243 
PRO OXT HXT  sing N N 244 
SER N   CA   sing N N 245 
SER N   H    sing N N 246 
SER N   H2   sing N N 247 
SER CA  C    sing N N 248 
SER CA  CB   sing N N 249 
SER CA  HA   sing N N 250 
SER C   O    doub N N 251 
SER C   OXT  sing N N 252 
SER CB  OG   sing N N 253 
SER CB  HB2  sing N N 254 
SER CB  HB3  sing N N 255 
SER OG  HG   sing N N 256 
SER OXT HXT  sing N N 257 
THR N   CA   sing N N 258 
THR N   H    sing N N 259 
THR N   H2   sing N N 260 
THR CA  C    sing N N 261 
THR CA  CB   sing N N 262 
THR CA  HA   sing N N 263 
THR C   O    doub N N 264 
THR C   OXT  sing N N 265 
THR CB  OG1  sing N N 266 
THR CB  CG2  sing N N 267 
THR CB  HB   sing N N 268 
THR OG1 HG1  sing N N 269 
THR CG2 HG21 sing N N 270 
THR CG2 HG22 sing N N 271 
THR CG2 HG23 sing N N 272 
THR OXT HXT  sing N N 273 
TYR N   CA   sing N N 274 
TYR N   H    sing N N 275 
TYR N   H2   sing N N 276 
TYR CA  C    sing N N 277 
TYR CA  CB   sing N N 278 
TYR CA  HA   sing N N 279 
TYR C   O    doub N N 280 
TYR C   OXT  sing N N 281 
TYR CB  CG   sing N N 282 
TYR CB  HB2  sing N N 283 
TYR CB  HB3  sing N N 284 
TYR CG  CD1  doub Y N 285 
TYR CG  CD2  sing Y N 286 
TYR CD1 CE1  sing Y N 287 
TYR CD1 HD1  sing N N 288 
TYR CD2 CE2  doub Y N 289 
TYR CD2 HD2  sing N N 290 
TYR CE1 CZ   doub Y N 291 
TYR CE1 HE1  sing N N 292 
TYR CE2 CZ   sing Y N 293 
TYR CE2 HE2  sing N N 294 
TYR CZ  OH   sing N N 295 
TYR OH  HH   sing N N 296 
TYR OXT HXT  sing N N 297 
VAL N   CA   sing N N 298 
VAL N   H    sing N N 299 
VAL N   H2   sing N N 300 
VAL CA  C    sing N N 301 
VAL CA  CB   sing N N 302 
VAL CA  HA   sing N N 303 
VAL C   O    doub N N 304 
VAL C   OXT  sing N N 305 
VAL CB  CG1  sing N N 306 
VAL CB  CG2  sing N N 307 
VAL CB  HB   sing N N 308 
VAL CG1 HG11 sing N N 309 
VAL CG1 HG12 sing N N 310 
VAL CG1 HG13 sing N N 311 
VAL CG2 HG21 sing N N 312 
VAL CG2 HG22 sing N N 313 
VAL CG2 HG23 sing N N 314 
VAL OXT HXT  sing N N 315 
# 
_pdbx_entity_nonpoly.entity_id   2 
_pdbx_entity_nonpoly.name        water 
_pdbx_entity_nonpoly.comp_id     HOH 
# 
_pdbx_initial_refinement_model.id               1 
_pdbx_initial_refinement_model.entity_id_list   ? 
_pdbx_initial_refinement_model.type             'experimental model' 
_pdbx_initial_refinement_model.source_name      PDB 
_pdbx_initial_refinement_model.accession_code   1C94 
_pdbx_initial_refinement_model.details          'PDB entry 1C94' 
# 
_pdbx_reflns_twin.domain_id                    1 
_pdbx_reflns_twin.crystal_id                   1 
_pdbx_reflns_twin.diffrn_id                    1 
_pdbx_reflns_twin.type                         hemihedral 
_pdbx_reflns_twin.operator                     h,-h-k,-l 
_pdbx_reflns_twin.fraction                     0.35 
_pdbx_reflns_twin.mean_I2_over_mean_I_square   ? 
_pdbx_reflns_twin.mean_F_square_over_mean_F2   ? 
#