data_1COS
# 
_entry.id   1COS 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.398 
_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   1COS         pdb_00001cos 10.2210/pdb1cos/pdb 
WWPDB D_1000172440 ?            ?                   
# 
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 1993-10-31 
2 'Structure model' 1 1 2008-03-24 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2019-07-17 
5 'Structure model' 1 4 2019-08-14 
6 'Structure model' 1 5 2024-11-06 
# 
_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' 'Version format compliance' 
3  4 'Structure model' 'Data collection'           
4  4 'Structure model' 'Derived calculations'      
5  4 'Structure model' Other                       
6  4 'Structure model' 'Refinement description'    
7  5 'Structure model' 'Data collection'           
8  5 'Structure model' 'Refinement description'    
9  6 'Structure model' 'Data collection'           
10 6 'Structure model' 'Database references'       
11 6 'Structure model' 'Derived calculations'      
12 6 'Structure model' 'Structure summary'         
# 
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' software                  
3  4 'Structure model' struct_conn               
4  5 'Structure model' software                  
5  6 'Structure model' chem_comp_atom            
6  6 'Structure model' chem_comp_bond            
7  6 'Structure model' database_2                
8  6 'Structure model' pdbx_entry_details        
9  6 'Structure model' pdbx_modification_feature 
10 6 'Structure model' struct_site               
# 
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  4 'Structure model' '_pdbx_database_status.process_site'           
2  4 'Structure model' '_software.classification'                     
3  4 'Structure model' '_struct_conn.pdbx_leaving_atom_flag'          
4  5 'Structure model' '_software.classification'                     
5  6 'Structure model' '_database_2.pdbx_DOI'                         
6  6 'Structure model' '_database_2.pdbx_database_accession'          
7  6 'Structure model' '_pdbx_entry_details.has_protein_modification' 
8  6 'Structure model' '_struct_site.pdbx_auth_asym_id'               
9  6 'Structure model' '_struct_site.pdbx_auth_comp_id'               
10 6 'Structure model' '_struct_site.pdbx_auth_seq_id'                
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1COS 
_pdbx_database_status.recvd_initial_deposition_date   1993-01-22 
_pdbx_database_status.deposit_site                    ? 
_pdbx_database_status.process_site                    BNL 
_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.methods_development_category    ? 
_pdbx_database_status.status_code_nmr_data            ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Lovejoy, B.'   1 
'Choe, S.'      2 
'Cascio, D.'    3 
'Mcrorie, D.K.' 4 
'Degrado, W.'   5 
'Eisenberg, D.' 6 
# 
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 'Crystal structure of a synthetic triple-stranded alpha-helical bundle.' Science        259 1288 1293 1993 SCIEAS US 
0036-8075 0038 ? 8446897 ? 
1       'X-Ray Grade Crystals of a Designed Alpha-Helical Coiled Coil'           'Protein Sci.' 1   956  ?    1992 PRCIEI US 
0961-8368 0795 ? ?       ? 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Lovejoy, B.'   1  ? 
primary 'Choe, S.'      2  ? 
primary 'Cascio, D.'    3  ? 
primary 'McRorie, D.K.' 4  ? 
primary 'DeGrado, W.F.' 5  ? 
primary 'Eisenberg, D.' 6  ? 
1       'Lovejoy, B.'   7  ? 
1       'Le, T.C.'      8  ? 
1       'Luthy, R.'     9  ? 
1       'Cascio, D.'    10 ? 
1       
;O'Neil, K.T.
;
11 ? 
1       'Degrado, W.F.' 12 ? 
1       'Eisenberg, D.' 13 ? 
# 
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 'COILED SERINE' 3335.865 3  ? ? ? ? 
2 water   nat water           18.015   33 ? ? ? ? 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           'polypeptide(L)' 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   yes 
_entity_poly.pdbx_seq_one_letter_code       '(ACE)EWEALEKKLAALESKLQALEKKLEALEHG(NH2)' 
_entity_poly.pdbx_seq_one_letter_code_can   XEWEALEKKLAALESKLQALEKKLEALEHGX 
_entity_poly.pdbx_strand_id                 A,B,C 
_entity_poly.pdbx_target_identifier         ? 
# 
_pdbx_entity_nonpoly.entity_id   2 
_pdbx_entity_nonpoly.name        water 
_pdbx_entity_nonpoly.comp_id     HOH 
# 
loop_
_entity_poly_seq.entity_id 
_entity_poly_seq.num 
_entity_poly_seq.mon_id 
_entity_poly_seq.hetero 
1 1  ACE n 
1 2  GLU n 
1 3  TRP n 
1 4  GLU n 
1 5  ALA n 
1 6  LEU n 
1 7  GLU n 
1 8  LYS n 
1 9  LYS n 
1 10 LEU n 
1 11 ALA n 
1 12 ALA n 
1 13 LEU n 
1 14 GLU n 
1 15 SER n 
1 16 LYS n 
1 17 LEU n 
1 18 GLN n 
1 19 ALA n 
1 20 LEU n 
1 21 GLU n 
1 22 LYS n 
1 23 LYS n 
1 24 LEU n 
1 25 GLU n 
1 26 ALA n 
1 27 LEU n 
1 28 GLU n 
1 29 HIS n 
1 30 GLY n 
1 31 NH2 n 
# 
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 
ACE non-polymer         . 'ACETYL GROUP'  ? 'C2 H4 O'        44.053  
ALA 'L-peptide linking' y ALANINE         ? 'C3 H7 N O2'     89.093  
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  
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 
NH2 non-polymer         . 'AMINO GROUP'   ? 'H2 N'           16.023  
SER 'L-peptide linking' y SERINE          ? 'C3 H7 N O3'     105.093 
TRP 'L-peptide linking' y TRYPTOPHAN      ? 'C11 H12 N2 O2'  204.225 
# 
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  ACE 1  0  0  ACE ACE A . n 
A 1 2  GLU 2  1  1  GLU GLU A . n 
A 1 3  TRP 3  2  2  TRP TRP A . n 
A 1 4  GLU 4  3  3  GLU GLU A . n 
A 1 5  ALA 5  4  4  ALA ALA A . n 
A 1 6  LEU 6  5  5  LEU LEU A . n 
A 1 7  GLU 7  6  6  GLU GLU A . n 
A 1 8  LYS 8  7  7  LYS LYS A . n 
A 1 9  LYS 9  8  8  LYS LYS A . n 
A 1 10 LEU 10 9  9  LEU LEU A . n 
A 1 11 ALA 11 10 10 ALA ALA A . n 
A 1 12 ALA 12 11 11 ALA ALA A . n 
A 1 13 LEU 13 12 12 LEU LEU A . n 
A 1 14 GLU 14 13 13 GLU GLU A . n 
A 1 15 SER 15 14 14 SER SER A . n 
A 1 16 LYS 16 15 15 LYS LYS A . n 
A 1 17 LEU 17 16 16 LEU LEU A . n 
A 1 18 GLN 18 17 17 GLN GLN A . n 
A 1 19 ALA 19 18 18 ALA ALA A . n 
A 1 20 LEU 20 19 19 LEU LEU A . n 
A 1 21 GLU 21 20 20 GLU GLU A . n 
A 1 22 LYS 22 21 21 LYS LYS A . n 
A 1 23 LYS 23 22 22 LYS LYS A . n 
A 1 24 LEU 24 23 23 LEU LEU A . n 
A 1 25 GLU 25 24 24 GLU GLU A . n 
A 1 26 ALA 26 25 25 ALA ALA A . n 
A 1 27 LEU 27 26 26 LEU LEU A . n 
A 1 28 GLU 28 27 27 GLU GLU A . n 
A 1 29 HIS 29 28 28 HIS HIS A . n 
A 1 30 GLY 30 29 29 GLY GLY A . n 
A 1 31 NH2 31 30 30 NH2 NH2 A . n 
B 1 1  ACE 1  0  0  ACE ACE B . n 
B 1 2  GLU 2  1  1  GLU GLU B . n 
B 1 3  TRP 3  2  2  TRP TRP B . n 
B 1 4  GLU 4  3  3  GLU GLU B . n 
B 1 5  ALA 5  4  4  ALA ALA B . n 
B 1 6  LEU 6  5  5  LEU LEU B . n 
B 1 7  GLU 7  6  6  GLU GLU B . n 
B 1 8  LYS 8  7  7  LYS LYS B . n 
B 1 9  LYS 9  8  8  LYS LYS B . n 
B 1 10 LEU 10 9  9  LEU LEU B . n 
B 1 11 ALA 11 10 10 ALA ALA B . n 
B 1 12 ALA 12 11 11 ALA ALA B . n 
B 1 13 LEU 13 12 12 LEU LEU B . n 
B 1 14 GLU 14 13 13 GLU GLU B . n 
B 1 15 SER 15 14 14 SER SER B . n 
B 1 16 LYS 16 15 15 LYS LYS B . n 
B 1 17 LEU 17 16 16 LEU LEU B . n 
B 1 18 GLN 18 17 17 GLN GLN B . n 
B 1 19 ALA 19 18 18 ALA ALA B . n 
B 1 20 LEU 20 19 19 LEU LEU B . n 
B 1 21 GLU 21 20 20 GLU GLU B . n 
B 1 22 LYS 22 21 21 LYS LYS B . n 
B 1 23 LYS 23 22 22 LYS LYS B . n 
B 1 24 LEU 24 23 23 LEU LEU B . n 
B 1 25 GLU 25 24 24 GLU GLU B . n 
B 1 26 ALA 26 25 25 ALA ALA B . n 
B 1 27 LEU 27 26 26 LEU LEU B . n 
B 1 28 GLU 28 27 27 GLU GLU B . n 
B 1 29 HIS 29 28 28 HIS HIS B . n 
B 1 30 GLY 30 29 29 GLY GLY B . n 
B 1 31 NH2 31 30 30 NH2 NH2 B . n 
C 1 1  ACE 1  0  0  ACE ACE C . n 
C 1 2  GLU 2  1  1  GLU GLU C . n 
C 1 3  TRP 3  2  2  TRP TRP C . n 
C 1 4  GLU 4  3  3  GLU GLU C . n 
C 1 5  ALA 5  4  4  ALA ALA C . n 
C 1 6  LEU 6  5  5  LEU LEU C . n 
C 1 7  GLU 7  6  6  GLU GLU C . n 
C 1 8  LYS 8  7  7  LYS LYS C . n 
C 1 9  LYS 9  8  8  LYS LYS C . n 
C 1 10 LEU 10 9  9  LEU LEU C . n 
C 1 11 ALA 11 10 10 ALA ALA C . n 
C 1 12 ALA 12 11 11 ALA ALA C . n 
C 1 13 LEU 13 12 12 LEU LEU C . n 
C 1 14 GLU 14 13 13 GLU GLU C . n 
C 1 15 SER 15 14 14 SER SER C . n 
C 1 16 LYS 16 15 15 LYS LYS C . n 
C 1 17 LEU 17 16 16 LEU LEU C . n 
C 1 18 GLN 18 17 17 GLN GLN C . n 
C 1 19 ALA 19 18 18 ALA ALA C . n 
C 1 20 LEU 20 19 19 LEU LEU C . n 
C 1 21 GLU 21 20 20 GLU GLU C . n 
C 1 22 LYS 22 21 21 LYS LYS C . n 
C 1 23 LYS 23 22 22 LYS LYS C . n 
C 1 24 LEU 24 23 23 LEU LEU C . n 
C 1 25 GLU 25 24 24 GLU GLU C . n 
C 1 26 ALA 26 25 25 ALA ALA C . n 
C 1 27 LEU 27 26 26 LEU LEU C . n 
C 1 28 GLU 28 27 27 GLU GLU C . n 
C 1 29 HIS 29 28 28 HIS HIS C . n 
C 1 30 GLY 30 29 29 GLY GLY C . n 
C 1 31 NH2 31 30 30 NH2 NH2 C . 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 
D 2 HOH 1  301 301 HOH HOH A . 
D 2 HOH 2  302 302 HOH HOH A . 
D 2 HOH 3  304 304 HOH HOH A . 
D 2 HOH 4  305 305 HOH HOH A . 
D 2 HOH 5  314 314 HOH HOH A . 
D 2 HOH 6  315 315 HOH HOH A . 
D 2 HOH 7  318 318 HOH HOH A . 
D 2 HOH 8  319 319 HOH HOH A . 
D 2 HOH 9  321 321 HOH HOH A . 
D 2 HOH 10 328 328 HOH HOH A . 
D 2 HOH 11 329 329 HOH HOH A . 
E 2 HOH 1  303 303 HOH HOH B . 
E 2 HOH 2  306 306 HOH HOH B . 
E 2 HOH 3  307 307 HOH HOH B . 
E 2 HOH 4  308 308 HOH HOH B . 
E 2 HOH 5  309 309 HOH HOH B . 
E 2 HOH 6  310 310 HOH HOH B . 
E 2 HOH 7  312 312 HOH HOH B . 
E 2 HOH 8  313 313 HOH HOH B . 
E 2 HOH 9  320 320 HOH HOH B . 
E 2 HOH 10 323 323 HOH HOH B . 
E 2 HOH 11 324 324 HOH HOH B . 
E 2 HOH 12 327 327 HOH HOH B . 
F 2 HOH 1  311 311 HOH HOH C . 
F 2 HOH 2  316 316 HOH HOH C . 
F 2 HOH 3  317 317 HOH HOH C . 
F 2 HOH 4  322 322 HOH HOH C . 
F 2 HOH 5  325 325 HOH HOH C . 
F 2 HOH 6  326 326 HOH HOH C . 
F 2 HOH 7  330 330 HOH HOH C . 
F 2 HOH 8  331 331 HOH HOH C . 
F 2 HOH 9  332 332 HOH HOH C . 
F 2 HOH 10 333 333 HOH HOH C . 
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
X-PLOR 'model building' . ? 1 
TNT    refinement       . ? 2 
X-PLOR refinement       . ? 3 
X-PLOR phasing          . ? 4 
# 
_cell.entry_id           1COS 
_cell.length_a           27.700 
_cell.length_b           38.700 
_cell.length_c           77.800 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        90.00 
_cell.Z_PDB              12 
_cell.pdbx_unique_axis   ? 
# 
_symmetry.entry_id                         1COS 
_symmetry.space_group_name_H-M             'P 21 21 21' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     ? 
_symmetry.Int_Tables_number                19 
# 
_exptl.entry_id          1COS 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   ? 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      2.08 
_exptl_crystal.density_percent_sol   40.98 
_exptl_crystal.description           ? 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           ? 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_radiation.diffrn_id                        1 
_diffrn_radiation.wavelength_id                    1 
_diffrn_radiation.pdbx_monochromatic_or_laue_m_l   ? 
_diffrn_radiation.monochromator                    ? 
_diffrn_radiation.pdbx_diffrn_protocol             ? 
_diffrn_radiation.pdbx_scattering_type             x-ray 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   . 
_diffrn_radiation_wavelength.wt           1.0 
# 
_refine.entry_id                                 1COS 
_refine.ls_number_reflns_obs                     ? 
_refine.ls_number_reflns_all                     ? 
_refine.pdbx_ls_sigma_I                          ? 
_refine.pdbx_ls_sigma_F                          1.0 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_refine.ls_d_res_low                             7.0 
_refine.ls_d_res_high                            2.1 
_refine.ls_percent_reflns_obs                    ? 
_refine.ls_R_factor_obs                          ? 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_R_work                       0.1800000 
_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        708 
_refine_hist.pdbx_number_atoms_nucleic_acid   0 
_refine_hist.pdbx_number_atoms_ligand         0 
_refine_hist.number_atoms_solvent             33 
_refine_hist.number_atoms_total               741 
_refine_hist.d_res_high                       2.1 
_refine_hist.d_res_low                        7.0 
# 
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    0.017 ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_deg 2.6   ? ? ? 'X-RAY DIFFRACTION' ? 
# 
_database_PDB_matrix.entry_id          1COS 
_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 
# 
_struct.entry_id                  1COS 
_struct.title                     'CRYSTAL STRUCTURE OF A SYNTHETIC TRIPLE-STRANDED ALPHA-HELICAL BUNDLE' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1COS 
_struct_keywords.pdbx_keywords   'ALPHA-HELICAL BUNDLE' 
_struct_keywords.text            'ALPHA-HELICAL BUNDLE' 
# 
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 1 ? 
D N N 2 ? 
E N N 2 ? 
F N N 2 ? 
# 
_struct_ref.id                         1 
_struct_ref.entity_id                  1 
_struct_ref.db_name                    PDB 
_struct_ref.db_code                    1COS 
_struct_ref.pdbx_db_accession          1COS 
_struct_ref.pdbx_db_isoform            ? 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_align_begin           ? 
# 
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 1COS A 1 ? 31 ? 1COS 0 ? 30 ? 0 30 
2 1 1COS B 1 ? 31 ? 1COS 0 ? 30 ? 0 30 
3 1 1COS C 1 ? 31 ? 1COS 0 ? 30 ? 0 30 
# 
_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   trimeric 
_pdbx_struct_assembly.oligomeric_count     3 
# 
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)' 3960 ? 
1 MORE         -36  ? 
1 'SSA (A^2)'  6020 ? 
# 
_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,F 
# 
_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 
# 
_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 A TRP A 3 ? GLU A 28 ? TRP A 2 GLU A 27 1 ? 26 
HELX_P HELX_P2 B TRP B 3 ? GLU B 28 ? TRP B 2 GLU B 27 1 ? 26 
HELX_P HELX_P3 C TRP C 3 ? GLU C 28 ? TRP C 2 GLU C 27 1 ? 26 
# 
_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 
_struct_conn.pdbx_role 
covale1 covale both ? A ACE 1  C ? ? ? 1_555 A GLU 2  N ? ? A ACE 0  A GLU 1  1_555 ? ? ? ? ? ? ? 1.365 ? ? 
covale2 covale both ? A GLY 30 C ? ? ? 1_555 A NH2 31 N ? ? A GLY 29 A NH2 30 1_555 ? ? ? ? ? ? ? 1.335 ? ? 
covale3 covale both ? B ACE 1  C ? ? ? 1_555 B GLU 2  N ? ? B ACE 0  B GLU 1  1_555 ? ? ? ? ? ? ? 1.325 ? ? 
covale4 covale both ? B GLY 30 C ? ? ? 1_555 B NH2 31 N ? ? B GLY 29 B NH2 30 1_555 ? ? ? ? ? ? ? 1.340 ? ? 
covale5 covale both ? C ACE 1  C ? ? ? 1_555 C GLU 2  N ? ? C ACE 0  C GLU 1  1_555 ? ? ? ? ? ? ? 1.363 ? ? 
covale6 covale both ? C GLY 30 C ? ? ? 1_555 C NH2 31 N ? ? C GLY 29 C NH2 30 1_555 ? ? ? ? ? ? ? 1.332 ? ? 
# 
_struct_conn_type.id          covale 
_struct_conn_type.criteria    ? 
_struct_conn_type.reference   ? 
# 
loop_
_pdbx_modification_feature.ordinal 
_pdbx_modification_feature.label_comp_id 
_pdbx_modification_feature.label_asym_id 
_pdbx_modification_feature.label_seq_id 
_pdbx_modification_feature.label_alt_id 
_pdbx_modification_feature.modified_residue_label_comp_id 
_pdbx_modification_feature.modified_residue_label_asym_id 
_pdbx_modification_feature.modified_residue_label_seq_id 
_pdbx_modification_feature.modified_residue_label_alt_id 
_pdbx_modification_feature.auth_comp_id 
_pdbx_modification_feature.auth_asym_id 
_pdbx_modification_feature.auth_seq_id 
_pdbx_modification_feature.PDB_ins_code 
_pdbx_modification_feature.symmetry 
_pdbx_modification_feature.modified_residue_auth_comp_id 
_pdbx_modification_feature.modified_residue_auth_asym_id 
_pdbx_modification_feature.modified_residue_auth_seq_id 
_pdbx_modification_feature.modified_residue_PDB_ins_code 
_pdbx_modification_feature.modified_residue_symmetry 
_pdbx_modification_feature.comp_id_linking_atom 
_pdbx_modification_feature.modified_residue_id_linking_atom 
_pdbx_modification_feature.modified_residue_id 
_pdbx_modification_feature.ref_pcm_id 
_pdbx_modification_feature.ref_comp_id 
_pdbx_modification_feature.type 
_pdbx_modification_feature.category 
1 ACE A 1  ? GLU A 2  ? ACE A 0  ? 1_555 GLU A 1  ? 1_555 . . GLU 10 ACE None 'Terminal acetylation' 
2 ACE B 1  ? GLU B 2  ? ACE B 0  ? 1_555 GLU B 1  ? 1_555 . . GLU 10 ACE None 'Terminal acetylation' 
3 ACE C 1  ? GLU C 2  ? ACE C 0  ? 1_555 GLU C 1  ? 1_555 . . GLU 10 ACE None 'Terminal acetylation' 
4 NH2 A 31 ? GLY A 30 ? NH2 A 30 ? 1_555 GLY A 29 ? 1_555 . . GLY 12 NH2 None 'Terminal amidation'   
5 NH2 B 31 ? GLY B 30 ? NH2 B 30 ? 1_555 GLY B 29 ? 1_555 . . GLY 12 NH2 None 'Terminal amidation'   
6 NH2 C 31 ? GLY C 30 ? NH2 C 30 ? 1_555 GLY C 29 ? 1_555 . . GLY 12 NH2 None 'Terminal amidation'   
# 
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 
AC4 Software A NH2 30 ? 3 'BINDING SITE FOR RESIDUE NH2 A 30' 
AC5 Software B NH2 30 ? 2 'BINDING SITE FOR RESIDUE NH2 B 30' 
AC6 Software C NH2 30 ? 3 'BINDING SITE FOR RESIDUE NH2 C 30' 
# 
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 AC4 3 LEU A 27 ? LEU A 26  . ? 1_555 ? 
2 AC4 3 GLY A 30 ? GLY A 29  . ? 1_555 ? 
3 AC4 3 HOH D .  ? HOH A 314 . ? 1_555 ? 
4 AC5 2 ALA B 26 ? ALA B 25  . ? 1_555 ? 
5 AC5 2 GLY B 30 ? GLY B 29  . ? 1_555 ? 
6 AC6 3 ALA C 26 ? ALA C 25  . ? 1_555 ? 
7 AC6 3 LEU C 27 ? LEU C 26  . ? 1_555 ? 
8 AC6 3 GLY C 30 ? GLY C 29  . ? 1_555 ? 
# 
_pdbx_entry_details.entry_id                   1COS 
_pdbx_entry_details.compound_details           
;RESIDUES GLU 1, HIS 28, AND GLY 29 OF EACH CHAIN ARE IN
EXTENDED CONFORMATION.  ALL OTHER RESIDUES ARE ALPHA
HELICAL.
;
_pdbx_entry_details.source_details             ? 
_pdbx_entry_details.nonpolymer_details         ? 
_pdbx_entry_details.sequence_details           ? 
_pdbx_entry_details.has_ligand_of_interest     ? 
_pdbx_entry_details.has_protein_modification   Y 
# 
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 CD A GLU 3  ? ? OE2 A GLU 3  ? ? 1.334 1.252 0.082 0.011 N 
2 1 CD C GLU 20 ? ? OE2 C GLU 20 ? ? 1.330 1.252 0.078 0.011 N 
3 1 CD C GLU 27 ? ? OE2 C GLU 27 ? ? 1.320 1.252 0.068 0.011 N 
# 
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 HIS A 28 ? ? -64.96 62.21 
2 1 GLU C 24 ? ? -54.00 -7.31 
# 
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 
ACE C    C N N 1   
ACE O    O N N 2   
ACE CH3  C N N 3   
ACE H    H N N 4   
ACE H1   H N N 5   
ACE H2   H N N 6   
ACE H3   H N N 7   
ALA N    N N N 8   
ALA CA   C N S 9   
ALA C    C N N 10  
ALA O    O N N 11  
ALA CB   C N N 12  
ALA OXT  O N N 13  
ALA H    H N N 14  
ALA H2   H N N 15  
ALA HA   H N N 16  
ALA HB1  H N N 17  
ALA HB2  H N N 18  
ALA HB3  H N N 19  
ALA HXT  H N N 20  
GLN N    N N N 21  
GLN CA   C N S 22  
GLN C    C N N 23  
GLN O    O N N 24  
GLN CB   C N N 25  
GLN CG   C N N 26  
GLN CD   C N N 27  
GLN OE1  O N N 28  
GLN NE2  N N N 29  
GLN OXT  O N N 30  
GLN H    H N N 31  
GLN H2   H N N 32  
GLN HA   H N N 33  
GLN HB2  H N N 34  
GLN HB3  H N N 35  
GLN HG2  H N N 36  
GLN HG3  H N N 37  
GLN HE21 H N N 38  
GLN HE22 H N N 39  
GLN HXT  H N N 40  
GLU N    N N N 41  
GLU CA   C N S 42  
GLU C    C N N 43  
GLU O    O N N 44  
GLU CB   C N N 45  
GLU CG   C N N 46  
GLU CD   C N N 47  
GLU OE1  O N N 48  
GLU OE2  O N N 49  
GLU OXT  O N N 50  
GLU H    H N N 51  
GLU H2   H N N 52  
GLU HA   H N N 53  
GLU HB2  H N N 54  
GLU HB3  H N N 55  
GLU HG2  H N N 56  
GLU HG3  H N N 57  
GLU HE2  H N N 58  
GLU HXT  H N N 59  
GLY N    N N N 60  
GLY CA   C N N 61  
GLY C    C N N 62  
GLY O    O N N 63  
GLY OXT  O N N 64  
GLY H    H N N 65  
GLY H2   H N N 66  
GLY HA2  H N N 67  
GLY HA3  H N N 68  
GLY HXT  H N N 69  
HIS N    N N N 70  
HIS CA   C N S 71  
HIS C    C N N 72  
HIS O    O N N 73  
HIS CB   C N N 74  
HIS CG   C Y N 75  
HIS ND1  N Y N 76  
HIS CD2  C Y N 77  
HIS CE1  C Y N 78  
HIS NE2  N Y N 79  
HIS OXT  O N N 80  
HIS H    H N N 81  
HIS H2   H N N 82  
HIS HA   H N N 83  
HIS HB2  H N N 84  
HIS HB3  H N N 85  
HIS HD1  H N N 86  
HIS HD2  H N N 87  
HIS HE1  H N N 88  
HIS HE2  H N N 89  
HIS HXT  H N N 90  
HOH O    O N N 91  
HOH H1   H N N 92  
HOH H2   H N N 93  
LEU N    N N N 94  
LEU CA   C N S 95  
LEU C    C N N 96  
LEU O    O N N 97  
LEU CB   C N N 98  
LEU CG   C N N 99  
LEU CD1  C N N 100 
LEU CD2  C N N 101 
LEU OXT  O N N 102 
LEU H    H N N 103 
LEU H2   H N N 104 
LEU HA   H N N 105 
LEU HB2  H N N 106 
LEU HB3  H N N 107 
LEU HG   H N N 108 
LEU HD11 H N N 109 
LEU HD12 H N N 110 
LEU HD13 H N N 111 
LEU HD21 H N N 112 
LEU HD22 H N N 113 
LEU HD23 H N N 114 
LEU HXT  H N N 115 
LYS N    N N N 116 
LYS CA   C N S 117 
LYS C    C N N 118 
LYS O    O N N 119 
LYS CB   C N N 120 
LYS CG   C N N 121 
LYS CD   C N N 122 
LYS CE   C N N 123 
LYS NZ   N N N 124 
LYS OXT  O N N 125 
LYS H    H N N 126 
LYS H2   H N N 127 
LYS HA   H N N 128 
LYS HB2  H N N 129 
LYS HB3  H N N 130 
LYS HG2  H N N 131 
LYS HG3  H N N 132 
LYS HD2  H N N 133 
LYS HD3  H N N 134 
LYS HE2  H N N 135 
LYS HE3  H N N 136 
LYS HZ1  H N N 137 
LYS HZ2  H N N 138 
LYS HZ3  H N N 139 
LYS HXT  H N N 140 
NH2 N    N N N 141 
NH2 HN1  H N N 142 
NH2 HN2  H N N 143 
SER N    N N N 144 
SER CA   C N S 145 
SER C    C N N 146 
SER O    O N N 147 
SER CB   C N N 148 
SER OG   O N N 149 
SER OXT  O N N 150 
SER H    H N N 151 
SER H2   H N N 152 
SER HA   H N N 153 
SER HB2  H N N 154 
SER HB3  H N N 155 
SER HG   H N N 156 
SER HXT  H N N 157 
TRP N    N N N 158 
TRP CA   C N S 159 
TRP C    C N N 160 
TRP O    O N N 161 
TRP CB   C N N 162 
TRP CG   C Y N 163 
TRP CD1  C Y N 164 
TRP CD2  C Y N 165 
TRP NE1  N Y N 166 
TRP CE2  C Y N 167 
TRP CE3  C Y N 168 
TRP CZ2  C Y N 169 
TRP CZ3  C Y N 170 
TRP CH2  C Y N 171 
TRP OXT  O N N 172 
TRP H    H N N 173 
TRP H2   H N N 174 
TRP HA   H N N 175 
TRP HB2  H N N 176 
TRP HB3  H N N 177 
TRP HD1  H N N 178 
TRP HE1  H N N 179 
TRP HE3  H N N 180 
TRP HZ2  H N N 181 
TRP HZ3  H N N 182 
TRP HH2  H N N 183 
TRP HXT  H N N 184 
# 
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 
ACE C   O    doub N N 1   
ACE C   CH3  sing N N 2   
ACE C   H    sing N N 3   
ACE CH3 H1   sing N N 4   
ACE CH3 H2   sing N N 5   
ACE CH3 H3   sing N N 6   
ALA N   CA   sing N N 7   
ALA N   H    sing N N 8   
ALA N   H2   sing N N 9   
ALA CA  C    sing N N 10  
ALA CA  CB   sing N N 11  
ALA CA  HA   sing N N 12  
ALA C   O    doub N N 13  
ALA C   OXT  sing N N 14  
ALA CB  HB1  sing N N 15  
ALA CB  HB2  sing N N 16  
ALA CB  HB3  sing N N 17  
ALA OXT HXT  sing N N 18  
GLN N   CA   sing N N 19  
GLN N   H    sing N N 20  
GLN N   H2   sing N N 21  
GLN CA  C    sing N N 22  
GLN CA  CB   sing N N 23  
GLN CA  HA   sing N N 24  
GLN C   O    doub N N 25  
GLN C   OXT  sing N N 26  
GLN CB  CG   sing N N 27  
GLN CB  HB2  sing N N 28  
GLN CB  HB3  sing N N 29  
GLN CG  CD   sing N N 30  
GLN CG  HG2  sing N N 31  
GLN CG  HG3  sing N N 32  
GLN CD  OE1  doub N N 33  
GLN CD  NE2  sing N N 34  
GLN NE2 HE21 sing N N 35  
GLN NE2 HE22 sing N N 36  
GLN OXT HXT  sing N N 37  
GLU N   CA   sing N N 38  
GLU N   H    sing N N 39  
GLU N   H2   sing N N 40  
GLU CA  C    sing N N 41  
GLU CA  CB   sing N N 42  
GLU CA  HA   sing N N 43  
GLU C   O    doub N N 44  
GLU C   OXT  sing N N 45  
GLU CB  CG   sing N N 46  
GLU CB  HB2  sing N N 47  
GLU CB  HB3  sing N N 48  
GLU CG  CD   sing N N 49  
GLU CG  HG2  sing N N 50  
GLU CG  HG3  sing N N 51  
GLU CD  OE1  doub N N 52  
GLU CD  OE2  sing N N 53  
GLU OE2 HE2  sing N N 54  
GLU OXT HXT  sing N N 55  
GLY N   CA   sing N N 56  
GLY N   H    sing N N 57  
GLY N   H2   sing N N 58  
GLY CA  C    sing N N 59  
GLY CA  HA2  sing N N 60  
GLY CA  HA3  sing N N 61  
GLY C   O    doub N N 62  
GLY C   OXT  sing N N 63  
GLY OXT HXT  sing N N 64  
HIS N   CA   sing N N 65  
HIS N   H    sing N N 66  
HIS N   H2   sing N N 67  
HIS CA  C    sing N N 68  
HIS CA  CB   sing N N 69  
HIS CA  HA   sing N N 70  
HIS C   O    doub N N 71  
HIS C   OXT  sing N N 72  
HIS CB  CG   sing N N 73  
HIS CB  HB2  sing N N 74  
HIS CB  HB3  sing N N 75  
HIS CG  ND1  sing Y N 76  
HIS CG  CD2  doub Y N 77  
HIS ND1 CE1  doub Y N 78  
HIS ND1 HD1  sing N N 79  
HIS CD2 NE2  sing Y N 80  
HIS CD2 HD2  sing N N 81  
HIS CE1 NE2  sing Y N 82  
HIS CE1 HE1  sing N N 83  
HIS NE2 HE2  sing N N 84  
HIS OXT HXT  sing N N 85  
HOH O   H1   sing N N 86  
HOH O   H2   sing N N 87  
LEU N   CA   sing N N 88  
LEU N   H    sing N N 89  
LEU N   H2   sing N N 90  
LEU CA  C    sing N N 91  
LEU CA  CB   sing N N 92  
LEU CA  HA   sing N N 93  
LEU C   O    doub N N 94  
LEU C   OXT  sing N N 95  
LEU CB  CG   sing N N 96  
LEU CB  HB2  sing N N 97  
LEU CB  HB3  sing N N 98  
LEU CG  CD1  sing N N 99  
LEU CG  CD2  sing N N 100 
LEU CG  HG   sing N N 101 
LEU CD1 HD11 sing N N 102 
LEU CD1 HD12 sing N N 103 
LEU CD1 HD13 sing N N 104 
LEU CD2 HD21 sing N N 105 
LEU CD2 HD22 sing N N 106 
LEU CD2 HD23 sing N N 107 
LEU OXT HXT  sing N N 108 
LYS N   CA   sing N N 109 
LYS N   H    sing N N 110 
LYS N   H2   sing N N 111 
LYS CA  C    sing N N 112 
LYS CA  CB   sing N N 113 
LYS CA  HA   sing N N 114 
LYS C   O    doub N N 115 
LYS C   OXT  sing N N 116 
LYS CB  CG   sing N N 117 
LYS CB  HB2  sing N N 118 
LYS CB  HB3  sing N N 119 
LYS CG  CD   sing N N 120 
LYS CG  HG2  sing N N 121 
LYS CG  HG3  sing N N 122 
LYS CD  CE   sing N N 123 
LYS CD  HD2  sing N N 124 
LYS CD  HD3  sing N N 125 
LYS CE  NZ   sing N N 126 
LYS CE  HE2  sing N N 127 
LYS CE  HE3  sing N N 128 
LYS NZ  HZ1  sing N N 129 
LYS NZ  HZ2  sing N N 130 
LYS NZ  HZ3  sing N N 131 
LYS OXT HXT  sing N N 132 
NH2 N   HN1  sing N N 133 
NH2 N   HN2  sing N N 134 
SER N   CA   sing N N 135 
SER N   H    sing N N 136 
SER N   H2   sing N N 137 
SER CA  C    sing N N 138 
SER CA  CB   sing N N 139 
SER CA  HA   sing N N 140 
SER C   O    doub N N 141 
SER C   OXT  sing N N 142 
SER CB  OG   sing N N 143 
SER CB  HB2  sing N N 144 
SER CB  HB3  sing N N 145 
SER OG  HG   sing N N 146 
SER OXT HXT  sing N N 147 
TRP N   CA   sing N N 148 
TRP N   H    sing N N 149 
TRP N   H2   sing N N 150 
TRP CA  C    sing N N 151 
TRP CA  CB   sing N N 152 
TRP CA  HA   sing N N 153 
TRP C   O    doub N N 154 
TRP C   OXT  sing N N 155 
TRP CB  CG   sing N N 156 
TRP CB  HB2  sing N N 157 
TRP CB  HB3  sing N N 158 
TRP CG  CD1  doub Y N 159 
TRP CG  CD2  sing Y N 160 
TRP CD1 NE1  sing Y N 161 
TRP CD1 HD1  sing N N 162 
TRP CD2 CE2  doub Y N 163 
TRP CD2 CE3  sing Y N 164 
TRP NE1 CE2  sing Y N 165 
TRP NE1 HE1  sing N N 166 
TRP CE2 CZ2  sing Y N 167 
TRP CE3 CZ3  doub Y N 168 
TRP CE3 HE3  sing N N 169 
TRP CZ2 CH2  doub Y N 170 
TRP CZ2 HZ2  sing N N 171 
TRP CZ3 CH2  sing Y N 172 
TRP CZ3 HZ3  sing N N 173 
TRP CH2 HH2  sing N N 174 
TRP OXT HXT  sing N N 175 
# 
_atom_sites.entry_id                    1COS 
_atom_sites.fract_transf_matrix[1][1]   0.036101 
_atom_sites.fract_transf_matrix[1][2]   0.000000 
_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]   0.025840 
_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]   0.012853 
_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 
# 
loop_