data_1S8K
# 
_entry.id   1S8K 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.397 
_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   1S8K         pdb_00001s8k 10.2210/pdb1s8k/pdb 
RCSB  RCSB021502   ?            ?                   
WWPDB D_1000021502 ?            ?                   
# 
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 2005-02-08 
2 'Structure model' 1 1 2008-04-29 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 2 0 2022-03-02 
5 'Structure model' 2 1 2024-10-30 
# 
_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' 'Database references'       
5 4 'Structure model' 'Derived calculations'      
6 4 'Structure model' 'Polymer sequence'          
7 5 'Structure model' 'Data collection'           
8 5 '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' database_2                
2  4 'Structure model' entity_poly               
3  4 'Structure model' pdbx_nmr_software         
4  4 'Structure model' pdbx_struct_assembly      
5  4 'Structure model' pdbx_struct_mod_residue   
6  4 'Structure model' pdbx_struct_oper_list     
7  4 'Structure model' struct_conn               
8  4 'Structure model' struct_ref_seq_dif        
9  4 'Structure model' struct_site               
10 5 'Structure model' chem_comp_atom            
11 5 'Structure model' chem_comp_bond            
12 5 'Structure model' pdbx_entry_details        
13 5 'Structure model' pdbx_modification_feature 
# 
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' '_database_2.pdbx_DOI'                      
2 4 'Structure model' '_database_2.pdbx_database_accession'       
3 4 'Structure model' '_entity_poly.pdbx_seq_one_letter_code_can' 
4 4 'Structure model' '_pdbx_nmr_software.name'                   
5 4 'Structure model' '_pdbx_struct_mod_residue.parent_comp_id'   
6 4 'Structure model' '_struct_conn.pdbx_leaving_atom_flag'       
7 4 'Structure model' '_struct_site.pdbx_auth_asym_id'            
8 4 'Structure model' '_struct_site.pdbx_auth_comp_id'            
9 4 'Structure model' '_struct_site.pdbx_auth_seq_id'             
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1S8K 
_pdbx_database_status.recvd_initial_deposition_date   2004-02-02 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    PDBJ 
_pdbx_database_status.status_code_sf                  ? 
_pdbx_database_status.status_code_mr                  REL 
_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_
_pdbx_database_related.db_name 
_pdbx_database_related.db_id 
_pdbx_database_related.details 
_pdbx_database_related.content_type 
PDB 1DU9 
'Solution structures of BmP02, a natural scorpion toxin which blocks apamin-sensitive calcium-activated potassium channel' 
unspecified 
PDB 1PNH 'Solution structures of P05-NH2, a scorpion toxin analog with high affinity for the apamin-sensitive potassium channel' 
unspecified 
PDB 1ACW 
;Solution structures of P01, a natural scorpion peptide structurally analogus to scorpion toxins specific for apamin-sensitive potassium channel
;
unspecified 
PDB 1SCY 
'Solution structures of scyllatoxin, a scorpion toxin with high affinity for apamin-sensitive calcium-activated potassium channels' 
unspecified 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Zhang, N.' 1 
'Chen, X.'  2 
'Li, M.'    3 
'Cao, C.'   4 
'Wang, Y.'  5 
'Hu, G.'    6 
'Wu, H.'    7 
# 
_citation.id                        primary 
_citation.title                     'Solution structure of BmKK4, the first member of subfamily alpha-KTx 17 of scorpion toxins' 
_citation.journal_abbrev            Biochemistry 
_citation.journal_volume            43 
_citation.page_first                12469 
_citation.page_last                 12476 
_citation.year                      2004 
_citation.journal_id_ASTM           BICHAW 
_citation.country                   US 
_citation.journal_id_ISSN           0006-2960 
_citation.journal_id_CSD            0033 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   15449936 
_citation.pdbx_database_id_DOI      10.1021/bi0490643 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Zhang, N.' 1 ? 
primary 'Chen, X.'  2 ? 
primary 'Li, M.'    3 ? 
primary 'Cao, C.'   4 ? 
primary 'Wang, Y.'  5 ? 
primary 'Wu, G.'    6 ? 
primary 'Hu, G.'    7 ? 
primary 'Wu, H.'    8 ? 
# 
_entity.id                         1 
_entity.type                       polymer 
_entity.src_method                 nat 
_entity.pdbx_description           'Toxin BmKK4' 
_entity.formula_weight             3467.887 
_entity.pdbx_number_of_molecules   1 
_entity.pdbx_ec                    ? 
_entity.pdbx_mutation              ? 
_entity.pdbx_fragment              ? 
_entity.details                    ? 
# 
_entity_name_com.entity_id   1 
_entity_name_com.name        'Kk4, Toxin TXKs4, Alpha-KTx 17.1' 
# 
_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       '(PCA)TQCQSVRDCQQYCLTPDRCSYGTCYCKTT(NH2)' 
_entity_poly.pdbx_seq_one_letter_code_can   QTQCQSVRDCQQYCLTPDRCSYGTCYCKTTX 
_entity_poly.pdbx_strand_id                 A 
_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  PCA n 
1 2  THR n 
1 3  GLN n 
1 4  CYS n 
1 5  GLN n 
1 6  SER n 
1 7  VAL n 
1 8  ARG n 
1 9  ASP n 
1 10 CYS n 
1 11 GLN n 
1 12 GLN n 
1 13 TYR n 
1 14 CYS n 
1 15 LEU n 
1 16 THR n 
1 17 PRO n 
1 18 ASP n 
1 19 ARG n 
1 20 CYS n 
1 21 SER n 
1 22 TYR n 
1 23 GLY n 
1 24 THR n 
1 25 CYS n 
1 26 TYR n 
1 27 CYS n 
1 28 LYS n 
1 29 THR n 
1 30 THR n 
1 31 NH2 n 
# 
_entity_src_nat.entity_id                  1 
_entity_src_nat.pdbx_src_id                1 
_entity_src_nat.pdbx_alt_source_flag       sample 
_entity_src_nat.pdbx_beg_seq_num           ? 
_entity_src_nat.pdbx_end_seq_num           ? 
_entity_src_nat.common_name                'Chinese scorpion' 
_entity_src_nat.pdbx_organism_scientific   'Mesobuthus martensii' 
_entity_src_nat.pdbx_ncbi_taxonomy_id      34649 
_entity_src_nat.genus                      Mesobuthus 
_entity_src_nat.species                    ? 
_entity_src_nat.strain                     ? 
_entity_src_nat.tissue                     ? 
_entity_src_nat.tissue_fraction            ? 
_entity_src_nat.pdbx_secretion             ? 
_entity_src_nat.pdbx_fragment              ? 
_entity_src_nat.pdbx_variant               ? 
_entity_src_nat.pdbx_cell_line             ? 
_entity_src_nat.pdbx_atcc                  ? 
_entity_src_nat.pdbx_cellular_location     ? 
_entity_src_nat.pdbx_organ                 ? 
_entity_src_nat.pdbx_organelle             ? 
_entity_src_nat.pdbx_cell                  ? 
_entity_src_nat.pdbx_plasmid_name          ? 
_entity_src_nat.pdbx_plasmid_details       ? 
_entity_src_nat.details                    ? 
# 
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 
ARG 'L-peptide linking' y ARGININE            ? 'C6 H15 N4 O2 1' 175.209 
ASP 'L-peptide linking' y 'ASPARTIC ACID'     ? 'C4 H7 N O4'     133.103 
CYS 'L-peptide linking' y CYSTEINE            ? 'C3 H7 N O2 S'   121.158 
GLN 'L-peptide linking' y GLUTAMINE           ? 'C5 H10 N2 O3'   146.144 
GLY 'peptide linking'   y GLYCINE             ? 'C2 H5 N O2'     75.067  
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  
PCA 'L-peptide linking' n 'PYROGLUTAMIC ACID' ? 'C5 H7 N O3'     129.114 
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 
# 
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  PCA 1  1  1  PCA PCA A . n 
A 1 2  THR 2  2  2  THR THR A . n 
A 1 3  GLN 3  3  3  GLN GLN A . n 
A 1 4  CYS 4  4  4  CYS CYS A . n 
A 1 5  GLN 5  5  5  GLN GLN A . n 
A 1 6  SER 6  6  6  SER SER A . n 
A 1 7  VAL 7  7  7  VAL VAL A . n 
A 1 8  ARG 8  8  8  ARG ARG A . n 
A 1 9  ASP 9  9  9  ASP ASP A . n 
A 1 10 CYS 10 10 10 CYS CYS A . n 
A 1 11 GLN 11 11 11 GLN GLN A . n 
A 1 12 GLN 12 12 12 GLN GLN A . n 
A 1 13 TYR 13 13 13 TYR TYR A . n 
A 1 14 CYS 14 14 14 CYS CYS A . n 
A 1 15 LEU 15 15 15 LEU LEU A . n 
A 1 16 THR 16 16 16 THR THR A . n 
A 1 17 PRO 17 17 17 PRO PRO A . n 
A 1 18 ASP 18 18 18 ASP ASP A . n 
A 1 19 ARG 19 19 19 ARG ARG A . n 
A 1 20 CYS 20 20 20 CYS CYS A . n 
A 1 21 SER 21 21 21 SER SER A . n 
A 1 22 TYR 22 22 22 TYR TYR A . n 
A 1 23 GLY 23 23 23 GLY GLY A . n 
A 1 24 THR 24 24 24 THR THR A . n 
A 1 25 CYS 25 25 25 CYS CYS A . n 
A 1 26 TYR 26 26 26 TYR TYR A . n 
A 1 27 CYS 27 27 27 CYS CYS A . n 
A 1 28 LYS 28 28 28 LYS LYS A . n 
A 1 29 THR 29 29 29 THR THR A . n 
A 1 30 THR 30 30 30 THR THR A . n 
A 1 31 NH2 31 31 31 NH2 NH2 A . n 
# 
_exptl.entry_id          1S8K 
_exptl.method            'SOLUTION NMR' 
_exptl.crystals_number   ? 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      ? 
_exptl_crystal.density_percent_sol   ? 
_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   M 
_diffrn_radiation.monochromator                    ? 
_diffrn_radiation.pdbx_diffrn_protocol             'SINGLE WAVELENGTH' 
_diffrn_radiation.pdbx_scattering_type             ? 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   . 
_diffrn_radiation_wavelength.wt           1.0 
# 
_database_PDB_matrix.entry_id          1S8K 
_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                  1S8K 
_struct.title                     
'Solution Structure of BmKK4, A Novel Potassium Channel Blocker from Scorpion Buthus martensii Karsch, 25 structures' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1S8K 
_struct_keywords.pdbx_keywords   TOXIN 
_struct_keywords.text            'ALPHA/BETA scaffold, Toxin' 
# 
_struct_asym.id                            A 
_struct_asym.pdbx_blank_PDB_chainid_flag   N 
_struct_asym.pdbx_modified                 N 
_struct_asym.entity_id                     1 
_struct_asym.details                       ? 
# 
_struct_ref.id                         1 
_struct_ref.db_name                    UNP 
_struct_ref.db_code                    SKK4_MESMA 
_struct_ref.pdbx_db_accession          Q95NJ8 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_seq_one_letter_code   QTQCQSVRDCQQYCLTPDRCSYGTCYCKTT 
_struct_ref.pdbx_align_begin           24 
_struct_ref.pdbx_db_isoform            ? 
# 
_struct_ref_seq.align_id                      1 
_struct_ref_seq.ref_id                        1 
_struct_ref_seq.pdbx_PDB_id_code              1S8K 
_struct_ref_seq.pdbx_strand_id                A 
_struct_ref_seq.seq_align_beg                 1 
_struct_ref_seq.pdbx_seq_align_beg_ins_code   ? 
_struct_ref_seq.seq_align_end                 30 
_struct_ref_seq.pdbx_seq_align_end_ins_code   ? 
_struct_ref_seq.pdbx_db_accession             Q95NJ8 
_struct_ref_seq.db_align_beg                  24 
_struct_ref_seq.pdbx_db_align_beg_ins_code    ? 
_struct_ref_seq.db_align_end                  53 
_struct_ref_seq.pdbx_db_align_end_ins_code    ? 
_struct_ref_seq.pdbx_auth_seq_align_beg       1 
_struct_ref_seq.pdbx_auth_seq_align_end       30 
# 
_pdbx_struct_assembly.id                   1 
_pdbx_struct_assembly.details              author_defined_assembly 
_pdbx_struct_assembly.method_details       ? 
_pdbx_struct_assembly.oligomeric_details   monomeric 
_pdbx_struct_assembly.oligomeric_count     1 
# 
_pdbx_struct_assembly_gen.assembly_id       1 
_pdbx_struct_assembly_gen.oper_expression   1 
_pdbx_struct_assembly_gen.asym_id_list      A 
# 
_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 
# 
_struct_conf.conf_type_id            HELX_P 
_struct_conf.id                      HELX_P1 
_struct_conf.pdbx_PDB_helix_id       1 
_struct_conf.beg_label_comp_id       SER 
_struct_conf.beg_label_asym_id       A 
_struct_conf.beg_label_seq_id        6 
_struct_conf.pdbx_beg_PDB_ins_code   ? 
_struct_conf.end_label_comp_id       CYS 
_struct_conf.end_label_asym_id       A 
_struct_conf.end_label_seq_id        14 
_struct_conf.pdbx_end_PDB_ins_code   ? 
_struct_conf.beg_auth_comp_id        SER 
_struct_conf.beg_auth_asym_id        A 
_struct_conf.beg_auth_seq_id         6 
_struct_conf.end_auth_comp_id        CYS 
_struct_conf.end_auth_asym_id        A 
_struct_conf.end_auth_seq_id         14 
_struct_conf.pdbx_PDB_helix_class    1 
_struct_conf.details                 ? 
_struct_conf.pdbx_PDB_helix_length   9 
# 
_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 
disulf1 disulf ?    ? A CYS 4  SG ? ? ? 1_555 A CYS 20 SG ? ? A CYS 4  A CYS 20 1_555 ? ? ? ? ? ? ? 2.083 ? ? 
disulf2 disulf ?    ? A CYS 10 SG ? ? ? 1_555 A CYS 25 SG ? ? A CYS 10 A CYS 25 1_555 ? ? ? ? ? ? ? 2.069 ? ? 
disulf3 disulf ?    ? A CYS 14 SG ? ? ? 1_555 A CYS 27 SG ? ? A CYS 14 A CYS 27 1_555 ? ? ? ? ? ? ? 2.079 ? ? 
covale1 covale both ? A PCA 1  C  ? ? ? 1_555 A THR 2  N  ? ? A PCA 1  A THR 2  1_555 ? ? ? ? ? ? ? 1.332 ? ? 
covale2 covale both ? A THR 30 C  ? ? ? 1_555 A NH2 31 N  ? ? A THR 30 A NH2 31 1_555 ? ? ? ? ? ? ? 1.333 ? ? 
# 
loop_
_struct_conn_type.id 
_struct_conn_type.criteria 
_struct_conn_type.reference 
disulf ? ? 
covale ? ? 
# 
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 PCA A 1  ? .   . .  . PCA A 1  ? 1_555 .   . .  . .     .  .  GLN 1 PCA 'Pyrrolidone carboxylic acid' 
'Named protein modification' 
2 NH2 A 31 ? THR A 30 ? NH2 A 31 ? 1_555 THR A 30 ? 1_555 .  .  THR 7 NH2 None                          'Terminal amidation' 
3 CYS A 4  ? CYS A 20 ? CYS A 4  ? 1_555 CYS A 20 ? 1_555 SG SG .   . .   None                          'Disulfide bridge' 
4 CYS A 10 ? CYS A 25 ? CYS A 10 ? 1_555 CYS A 25 ? 1_555 SG SG .   . .   None                          'Disulfide bridge' 
5 CYS A 14 ? CYS A 27 ? CYS A 14 ? 1_555 CYS A 27 ? 1_555 SG SG .   . .   None                          'Disulfide bridge' 
# 
_struct_sheet.id               A 
_struct_sheet.type             ? 
_struct_sheet.number_strands   2 
_struct_sheet.details          ? 
# 
_struct_sheet_order.sheet_id     A 
_struct_sheet_order.range_id_1   1 
_struct_sheet_order.range_id_2   2 
_struct_sheet_order.offset       ? 
_struct_sheet_order.sense        anti-parallel 
# 
loop_
_struct_sheet_range.sheet_id 
_struct_sheet_range.id 
_struct_sheet_range.beg_label_comp_id 
_struct_sheet_range.beg_label_asym_id 
_struct_sheet_range.beg_label_seq_id 
_struct_sheet_range.pdbx_beg_PDB_ins_code 
_struct_sheet_range.end_label_comp_id 
_struct_sheet_range.end_label_asym_id 
_struct_sheet_range.end_label_seq_id 
_struct_sheet_range.pdbx_end_PDB_ins_code 
_struct_sheet_range.beg_auth_comp_id 
_struct_sheet_range.beg_auth_asym_id 
_struct_sheet_range.beg_auth_seq_id 
_struct_sheet_range.end_auth_comp_id 
_struct_sheet_range.end_auth_asym_id 
_struct_sheet_range.end_auth_seq_id 
A 1 PRO A 17 ? SER A 21 ? PRO A 17 SER A 21 
A 2 THR A 24 ? CYS A 27 ? THR A 24 CYS A 27 
# 
_pdbx_struct_sheet_hbond.sheet_id                A 
_pdbx_struct_sheet_hbond.range_id_1              1 
_pdbx_struct_sheet_hbond.range_id_2              2 
_pdbx_struct_sheet_hbond.range_1_label_atom_id   N 
_pdbx_struct_sheet_hbond.range_1_label_comp_id   ASP 
_pdbx_struct_sheet_hbond.range_1_label_asym_id   A 
_pdbx_struct_sheet_hbond.range_1_label_seq_id    18 
_pdbx_struct_sheet_hbond.range_1_PDB_ins_code    ? 
_pdbx_struct_sheet_hbond.range_1_auth_atom_id    N 
_pdbx_struct_sheet_hbond.range_1_auth_comp_id    ASP 
_pdbx_struct_sheet_hbond.range_1_auth_asym_id    A 
_pdbx_struct_sheet_hbond.range_1_auth_seq_id     18 
_pdbx_struct_sheet_hbond.range_2_label_atom_id   O 
_pdbx_struct_sheet_hbond.range_2_label_comp_id   TYR 
_pdbx_struct_sheet_hbond.range_2_label_asym_id   A 
_pdbx_struct_sheet_hbond.range_2_label_seq_id    26 
_pdbx_struct_sheet_hbond.range_2_PDB_ins_code    ? 
_pdbx_struct_sheet_hbond.range_2_auth_atom_id    O 
_pdbx_struct_sheet_hbond.range_2_auth_comp_id    TYR 
_pdbx_struct_sheet_hbond.range_2_auth_asym_id    A 
_pdbx_struct_sheet_hbond.range_2_auth_seq_id     26 
# 
_struct_site.id                   AC1 
_struct_site.pdbx_evidence_code   Software 
_struct_site.pdbx_auth_asym_id    A 
_struct_site.pdbx_auth_comp_id    NH2 
_struct_site.pdbx_auth_seq_id     31 
_struct_site.pdbx_auth_ins_code   ? 
_struct_site.pdbx_num_residues    1 
_struct_site.details              'BINDING SITE FOR RESIDUE NH2 A 31' 
# 
_struct_site_gen.id                   1 
_struct_site_gen.site_id              AC1 
_struct_site_gen.pdbx_num_res         1 
_struct_site_gen.label_comp_id        THR 
_struct_site_gen.label_asym_id        A 
_struct_site_gen.label_seq_id         30 
_struct_site_gen.pdbx_auth_ins_code   ? 
_struct_site_gen.auth_comp_id         THR 
_struct_site_gen.auth_asym_id         A 
_struct_site_gen.auth_seq_id          30 
_struct_site_gen.label_atom_id        . 
_struct_site_gen.label_alt_id         ? 
_struct_site_gen.symmetry             1_555 
_struct_site_gen.details              ? 
# 
_pdbx_entry_details.entry_id                   1S8K 
_pdbx_entry_details.compound_details           ? 
_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_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  2  CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.46 111.50 7.96  1.20 N 
2  2  CA A CYS 25 ? ? CB A CYS 25 ? ? SG  A CYS 25 ? ? 121.07 114.20 6.87  1.10 N 
3  3  NE A ARG 19 ? ? CZ A ARG 19 ? ? NH2 A ARG 19 ? ? 116.28 120.30 -4.02 0.50 N 
4  3  CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.14 111.50 7.64  1.20 N 
5  4  CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.07 111.50 7.57  1.20 N 
6  5  CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.21 111.50 7.71  1.20 N 
7  6  NE A ARG 19 ? ? CZ A ARG 19 ? ? NH2 A ARG 19 ? ? 116.65 120.30 -3.65 0.50 N 
8  7  NE A ARG 19 ? ? CZ A ARG 19 ? ? NH2 A ARG 19 ? ? 116.74 120.30 -3.56 0.50 N 
9  7  CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 120.31 111.50 8.81  1.20 N 
10 7  CA A CYS 25 ? ? CB A CYS 25 ? ? SG  A CYS 25 ? ? 120.86 114.20 6.66  1.10 N 
11 8  NE A ARG 19 ? ? CZ A ARG 19 ? ? NH2 A ARG 19 ? ? 117.12 120.30 -3.18 0.50 N 
12 9  NE A ARG 19 ? ? CZ A ARG 19 ? ? NH2 A ARG 19 ? ? 116.84 120.30 -3.46 0.50 N 
13 9  CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.93 111.50 8.43  1.20 N 
14 9  CA A CYS 25 ? ? CB A CYS 25 ? ? SG  A CYS 25 ? ? 121.04 114.20 6.84  1.10 N 
15 10 NE A ARG 19 ? ? CZ A ARG 19 ? ? NH2 A ARG 19 ? ? 117.17 120.30 -3.13 0.50 N 
16 10 CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.45 111.50 7.95  1.20 N 
17 11 NE A ARG 19 ? ? CZ A ARG 19 ? ? NH2 A ARG 19 ? ? 117.29 120.30 -3.01 0.50 N 
18 11 CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 118.91 111.50 7.41  1.20 N 
19 12 CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.59 111.50 8.09  1.20 N 
20 13 CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.50 111.50 8.00  1.20 N 
21 14 CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 120.01 111.50 8.51  1.20 N 
22 14 CA A CYS 25 ? ? CB A CYS 25 ? ? SG  A CYS 25 ? ? 121.29 114.20 7.09  1.10 N 
23 16 NE A ARG 19 ? ? CZ A ARG 19 ? ? NH2 A ARG 19 ? ? 117.01 120.30 -3.29 0.50 N 
24 16 CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.51 111.50 8.01  1.20 N 
25 18 CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.32 111.50 7.82  1.20 N 
26 19 CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.89 111.50 8.39  1.20 N 
27 20 NE A ARG 19 ? ? CZ A ARG 19 ? ? NH2 A ARG 19 ? ? 116.93 120.30 -3.37 0.50 N 
28 20 CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.21 111.50 7.71  1.20 N 
29 23 CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.84 111.50 8.34  1.20 N 
30 24 NE A ARG 19 ? ? CZ A ARG 19 ? ? NH2 A ARG 19 ? ? 116.78 120.30 -3.52 0.50 N 
31 24 CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 118.99 111.50 7.49  1.20 N 
32 25 NE A ARG 19 ? ? CZ A ARG 19 ? ? NH2 A ARG 19 ? ? 117.03 120.30 -3.27 0.50 N 
33 25 CB A CYS 25 ? ? CA A CYS 25 ? ? C   A CYS 25 ? ? 119.01 111.50 7.51  1.20 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  ARG A 8  ? ? -29.14  -54.03  
2  1  ASP A 18 ? ? -92.41  -61.77  
3  1  THR A 29 ? ? -153.26 88.21   
4  2  THR A 2  ? ? -145.07 -117.43 
5  2  ASP A 18 ? ? -96.58  -61.36  
6  2  THR A 29 ? ? -152.23 54.08   
7  3  ASP A 18 ? ? -104.84 -61.96  
8  4  THR A 2  ? ? 81.77   139.60  
9  4  ASP A 18 ? ? -93.84  -62.28  
10 4  THR A 29 ? ? -154.61 30.75   
11 5  THR A 2  ? ? -113.16 -116.32 
12 5  LYS A 28 ? ? -81.71  40.12   
13 6  THR A 29 ? ? -153.27 58.62   
14 7  THR A 2  ? ? -113.28 -118.70 
15 7  ARG A 8  ? ? -27.18  -51.31  
16 8  THR A 29 ? ? -83.36  45.83   
17 9  THR A 2  ? ? -103.21 -113.63 
18 9  LYS A 28 ? ? -80.42  48.19   
19 10 THR A 2  ? ? -110.49 -133.05 
20 10 THR A 29 ? ? -150.04 56.10   
21 11 THR A 2  ? ? 81.62   143.30  
22 12 THR A 2  ? ? -148.44 -117.93 
23 13 THR A 2  ? ? -101.12 -114.28 
24 14 THR A 2  ? ? -143.92 -109.54 
25 14 LYS A 28 ? ? -79.67  36.59   
26 14 THR A 29 ? ? -83.80  47.67   
27 15 ASP A 18 ? ? -96.67  -62.90  
28 15 THR A 29 ? ? -148.18 -138.96 
29 16 THR A 2  ? ? -138.14 -116.63 
30 16 THR A 29 ? ? -151.14 74.29   
31 17 THR A 2  ? ? -89.46  -109.52 
32 18 THR A 2  ? ? -94.45  -113.78 
33 18 THR A 29 ? ? -144.55 -137.71 
34 19 THR A 2  ? ? -141.29 -115.71 
35 19 ASP A 18 ? ? -96.12  -60.85  
36 20 THR A 2  ? ? -99.11  -110.95 
37 20 THR A 29 ? ? -126.82 -135.51 
38 21 THR A 16 ? ? -150.16 81.25   
39 22 THR A 2  ? ? -97.99  -120.42 
40 22 THR A 29 ? ? -75.86  48.70   
41 23 THR A 2  ? ? -144.31 -111.70 
42 23 THR A 29 ? ? -124.45 -86.04  
43 24 THR A 2  ? ? -99.28  -113.25 
44 24 THR A 29 ? ? -160.17 -154.09 
45 25 THR A 2  ? ? -144.08 -117.05 
46 25 ASP A 18 ? ? -92.05  -60.69  
# 
loop_
_pdbx_validate_peptide_omega.id 
_pdbx_validate_peptide_omega.PDB_model_num 
_pdbx_validate_peptide_omega.auth_comp_id_1 
_pdbx_validate_peptide_omega.auth_asym_id_1 
_pdbx_validate_peptide_omega.auth_seq_id_1 
_pdbx_validate_peptide_omega.PDB_ins_code_1 
_pdbx_validate_peptide_omega.label_alt_id_1 
_pdbx_validate_peptide_omega.auth_comp_id_2 
_pdbx_validate_peptide_omega.auth_asym_id_2 
_pdbx_validate_peptide_omega.auth_seq_id_2 
_pdbx_validate_peptide_omega.PDB_ins_code_2 
_pdbx_validate_peptide_omega.label_alt_id_2 
_pdbx_validate_peptide_omega.omega 
1  1  ARG A 19 ? ? CYS A 20 ? ? 149.77 
2  3  ARG A 19 ? ? CYS A 20 ? ? 146.01 
3  5  ARG A 19 ? ? CYS A 20 ? ? 146.36 
4  6  ARG A 19 ? ? CYS A 20 ? ? 143.45 
5  7  ARG A 19 ? ? CYS A 20 ? ? 147.12 
6  8  ARG A 19 ? ? CYS A 20 ? ? 141.59 
7  9  ARG A 19 ? ? CYS A 20 ? ? 147.33 
8  10 ARG A 19 ? ? CYS A 20 ? ? 143.77 
9  11 ARG A 19 ? ? CYS A 20 ? ? 146.36 
10 12 ARG A 19 ? ? CYS A 20 ? ? 147.80 
11 15 ARG A 19 ? ? CYS A 20 ? ? 145.31 
12 16 ARG A 19 ? ? CYS A 20 ? ? 147.45 
13 17 ARG A 19 ? ? CYS A 20 ? ? 147.52 
14 18 ARG A 19 ? ? CYS A 20 ? ? 146.59 
15 20 ARG A 19 ? ? CYS A 20 ? ? 145.77 
16 22 ARG A 19 ? ? CYS A 20 ? ? 146.71 
17 23 ARG A 19 ? ? CYS A 20 ? ? 148.73 
18 24 ARG A 19 ? ? CYS A 20 ? ? 145.16 
19 25 ARG A 19 ? ? CYS A 20 ? ? 146.63 
# 
loop_
_pdbx_validate_planes.id 
_pdbx_validate_planes.PDB_model_num 
_pdbx_validate_planes.auth_comp_id 
_pdbx_validate_planes.auth_asym_id 
_pdbx_validate_planes.auth_seq_id 
_pdbx_validate_planes.PDB_ins_code 
_pdbx_validate_planes.label_alt_id 
_pdbx_validate_planes.rmsd 
_pdbx_validate_planes.type 
1  1  TYR A 26 ? ? 0.180 'SIDE CHAIN' 
2  2  TYR A 26 ? ? 0.154 'SIDE CHAIN' 
3  3  ARG A 19 ? ? 0.083 'SIDE CHAIN' 
4  4  TYR A 26 ? ? 0.142 'SIDE CHAIN' 
5  5  ARG A 19 ? ? 0.135 'SIDE CHAIN' 
6  5  TYR A 26 ? ? 0.067 'SIDE CHAIN' 
7  6  ARG A 19 ? ? 0.155 'SIDE CHAIN' 
8  6  TYR A 26 ? ? 0.251 'SIDE CHAIN' 
9  7  ARG A 19 ? ? 0.160 'SIDE CHAIN' 
10 7  TYR A 26 ? ? 0.247 'SIDE CHAIN' 
11 8  ARG A 19 ? ? 0.107 'SIDE CHAIN' 
12 9  TYR A 13 ? ? 0.113 'SIDE CHAIN' 
13 9  ARG A 19 ? ? 0.159 'SIDE CHAIN' 
14 9  TYR A 26 ? ? 0.237 'SIDE CHAIN' 
15 10 ARG A 19 ? ? 0.112 'SIDE CHAIN' 
16 11 ARG A 19 ? ? 0.119 'SIDE CHAIN' 
17 12 TYR A 13 ? ? 0.117 'SIDE CHAIN' 
18 12 ARG A 19 ? ? 0.139 'SIDE CHAIN' 
19 12 TYR A 26 ? ? 0.070 'SIDE CHAIN' 
20 13 TYR A 26 ? ? 0.196 'SIDE CHAIN' 
21 14 ARG A 19 ? ? 0.166 'SIDE CHAIN' 
22 15 TYR A 13 ? ? 0.124 'SIDE CHAIN' 
23 15 TYR A 26 ? ? 0.210 'SIDE CHAIN' 
24 16 ARG A 19 ? ? 0.170 'SIDE CHAIN' 
25 16 TYR A 26 ? ? 0.265 'SIDE CHAIN' 
26 17 ARG A 19 ? ? 0.169 'SIDE CHAIN' 
27 18 TYR A 13 ? ? 0.118 'SIDE CHAIN' 
28 18 ARG A 19 ? ? 0.145 'SIDE CHAIN' 
29 19 TYR A 13 ? ? 0.125 'SIDE CHAIN' 
30 19 ARG A 19 ? ? 0.099 'SIDE CHAIN' 
31 19 TYR A 26 ? ? 0.242 'SIDE CHAIN' 
32 20 TYR A 13 ? ? 0.129 'SIDE CHAIN' 
33 20 ARG A 19 ? ? 0.181 'SIDE CHAIN' 
34 20 TYR A 26 ? ? 0.264 'SIDE CHAIN' 
35 21 ARG A 19 ? ? 0.086 'SIDE CHAIN' 
36 21 TYR A 26 ? ? 0.258 'SIDE CHAIN' 
37 22 ARG A 19 ? ? 0.122 'SIDE CHAIN' 
38 23 TYR A 13 ? ? 0.117 'SIDE CHAIN' 
39 23 ARG A 19 ? ? 0.134 'SIDE CHAIN' 
40 24 ARG A 19 ? ? 0.154 'SIDE CHAIN' 
41 24 TYR A 26 ? ? 0.228 'SIDE CHAIN' 
42 25 ARG A 19 ? ? 0.157 'SIDE CHAIN' 
43 25 TYR A 26 ? ? 0.107 'SIDE CHAIN' 
# 
_pdbx_struct_mod_residue.id               1 
_pdbx_struct_mod_residue.label_asym_id    A 
_pdbx_struct_mod_residue.label_comp_id    PCA 
_pdbx_struct_mod_residue.label_seq_id     1 
_pdbx_struct_mod_residue.auth_asym_id     A 
_pdbx_struct_mod_residue.auth_comp_id     PCA 
_pdbx_struct_mod_residue.auth_seq_id      1 
_pdbx_struct_mod_residue.PDB_ins_code     ? 
_pdbx_struct_mod_residue.parent_comp_id   GLN 
_pdbx_struct_mod_residue.details          'PYROGLUTAMIC ACID' 
# 
_pdbx_nmr_ensemble.entry_id                                      1S8K 
_pdbx_nmr_ensemble.conformers_calculated_total_number            200 
_pdbx_nmr_ensemble.conformers_submitted_total_number             25 
_pdbx_nmr_ensemble.conformer_selection_criteria                  'structures with the lowest energy' 
_pdbx_nmr_ensemble.average_constraints_per_residue               ? 
_pdbx_nmr_ensemble.average_constraint_violations_per_residue     ? 
_pdbx_nmr_ensemble.maximum_distance_constraint_violation         ? 
_pdbx_nmr_ensemble.average_distance_constraint_violation         ? 
_pdbx_nmr_ensemble.maximum_upper_distance_constraint_violation   ? 
_pdbx_nmr_ensemble.maximum_lower_distance_constraint_violation   ? 
_pdbx_nmr_ensemble.distance_constraint_violation_method          ? 
_pdbx_nmr_ensemble.maximum_torsion_angle_constraint_violation    ? 
_pdbx_nmr_ensemble.average_torsion_angle_constraint_violation    ? 
_pdbx_nmr_ensemble.torsion_angle_constraint_violation_method     ? 
# 
_pdbx_nmr_representative.entry_id             1S8K 
_pdbx_nmr_representative.conformer_id         1 
_pdbx_nmr_representative.selection_criteria   'lowest energy' 
# 
loop_
_pdbx_nmr_sample_details.solution_id 
_pdbx_nmr_sample_details.contents 
_pdbx_nmr_sample_details.solvent_system 
1 3.0mM '90% H2O/10% D2O' 
2 3.0mM '100% D2O'        
# 
loop_
_pdbx_nmr_exptl_sample_conditions.conditions_id 
_pdbx_nmr_exptl_sample_conditions.temperature 
_pdbx_nmr_exptl_sample_conditions.pressure 
_pdbx_nmr_exptl_sample_conditions.pH 
_pdbx_nmr_exptl_sample_conditions.ionic_strength 
_pdbx_nmr_exptl_sample_conditions.pressure_units 
_pdbx_nmr_exptl_sample_conditions.temperature_units 
1 303 ambient 3.02 ? ? K 
2 303 ambient 3.66 ? ? K 
# 
loop_
_pdbx_nmr_exptl.experiment_id 
_pdbx_nmr_exptl.solution_id 
_pdbx_nmr_exptl.conditions_id 
_pdbx_nmr_exptl.type 
1 1 1 '2D NOESY, 2D TOCSY, DQF-COSY' 
2 1 2 '2D TOCSY, 2D NOESY'           
3 2 2 '2D NOESY, 2D TOCSY, DQF-COSY' 
# 
_pdbx_nmr_details.entry_id   1S8K 
_pdbx_nmr_details.text       'This structure was determined using standard 2D homonuclear techniques.' 
# 
_pdbx_nmr_refine.entry_id           1S8K 
_pdbx_nmr_refine.method             'distance geometry' 
_pdbx_nmr_refine.details            
;the structures are based on a total of 315 constraints, 282 are NOE-derived distance constraints,16 dihedral angle constraints, 17 distance constraints from four hydrogen bonds and three disulfide bonds.
;
_pdbx_nmr_refine.software_ordinal   1 
# 
loop_
_pdbx_nmr_software.name 
_pdbx_nmr_software.version 
_pdbx_nmr_software.classification 
_pdbx_nmr_software.authors 
_pdbx_nmr_software.ordinal 
VNMR  6.1B collection           'Mike Carlisle,Dan Steele,Mike Miller'                   1 
VNMR  6.1B processing           'Mike Carlisle,Dan Steele,Mike Miller'                   2 
XEASY 1994 'data analysis'      'Tai-he Xia and Christian Bartel'                        3 
DYANA 1.5  'structure solution' 'Peter Guntert, Christian Mumenthaler, Torsten Herrmann' 4 
Amber 5.0  refinement           ?                                                        5 
# 
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 
ARG N    N N N 1   
ARG CA   C N S 2   
ARG C    C N N 3   
ARG O    O N N 4   
ARG CB   C N N 5   
ARG CG   C N N 6   
ARG CD   C N N 7   
ARG NE   N N N 8   
ARG CZ   C N N 9   
ARG NH1  N N N 10  
ARG NH2  N N N 11  
ARG OXT  O N N 12  
ARG H    H N N 13  
ARG H2   H N N 14  
ARG HA   H N N 15  
ARG HB2  H N N 16  
ARG HB3  H N N 17  
ARG HG2  H N N 18  
ARG HG3  H N N 19  
ARG HD2  H N N 20  
ARG HD3  H N N 21  
ARG HE   H N N 22  
ARG HH11 H N N 23  
ARG HH12 H N N 24  
ARG HH21 H N N 25  
ARG HH22 H N N 26  
ARG HXT  H N N 27  
ASP N    N N N 28  
ASP CA   C N S 29  
ASP C    C N N 30  
ASP O    O N N 31  
ASP CB   C N N 32  
ASP CG   C N N 33  
ASP OD1  O N N 34  
ASP OD2  O N N 35  
ASP OXT  O N N 36  
ASP H    H N N 37  
ASP H2   H N N 38  
ASP HA   H N N 39  
ASP HB2  H N N 40  
ASP HB3  H N N 41  
ASP HD2  H N N 42  
ASP HXT  H N N 43  
CYS N    N N N 44  
CYS CA   C N R 45  
CYS C    C N N 46  
CYS O    O N N 47  
CYS CB   C N N 48  
CYS SG   S N N 49  
CYS OXT  O N N 50  
CYS H    H N N 51  
CYS H2   H N N 52  
CYS HA   H N N 53  
CYS HB2  H N N 54  
CYS HB3  H N N 55  
CYS HG   H N N 56  
CYS HXT  H N N 57  
GLN N    N N N 58  
GLN CA   C N S 59  
GLN C    C N N 60  
GLN O    O N N 61  
GLN CB   C N N 62  
GLN CG   C N N 63  
GLN CD   C N N 64  
GLN OE1  O N N 65  
GLN NE2  N N N 66  
GLN OXT  O N N 67  
GLN H    H N N 68  
GLN H2   H N N 69  
GLN HA   H N N 70  
GLN HB2  H N N 71  
GLN HB3  H N N 72  
GLN HG2  H N N 73  
GLN HG3  H N N 74  
GLN HE21 H N N 75  
GLN HE22 H N N 76  
GLN HXT  H N N 77  
GLY N    N N N 78  
GLY CA   C N N 79  
GLY C    C N N 80  
GLY O    O N N 81  
GLY OXT  O N N 82  
GLY H    H N N 83  
GLY H2   H N N 84  
GLY HA2  H N N 85  
GLY HA3  H N N 86  
GLY HXT  H N N 87  
LEU N    N N N 88  
LEU CA   C N S 89  
LEU C    C N N 90  
LEU O    O N N 91  
LEU CB   C N N 92  
LEU CG   C N N 93  
LEU CD1  C N N 94  
LEU CD2  C N N 95  
LEU OXT  O N N 96  
LEU H    H N N 97  
LEU H2   H N N 98  
LEU HA   H N N 99  
LEU HB2  H N N 100 
LEU HB3  H N N 101 
LEU HG   H N N 102 
LEU HD11 H N N 103 
LEU HD12 H N N 104 
LEU HD13 H N N 105 
LEU HD21 H N N 106 
LEU HD22 H N N 107 
LEU HD23 H N N 108 
LEU HXT  H N N 109 
LYS N    N N N 110 
LYS CA   C N S 111 
LYS C    C N N 112 
LYS O    O N N 113 
LYS CB   C N N 114 
LYS CG   C N N 115 
LYS CD   C N N 116 
LYS CE   C N N 117 
LYS NZ   N N N 118 
LYS OXT  O N N 119 
LYS H    H N N 120 
LYS H2   H N N 121 
LYS HA   H N N 122 
LYS HB2  H N N 123 
LYS HB3  H N N 124 
LYS HG2  H N N 125 
LYS HG3  H N N 126 
LYS HD2  H N N 127 
LYS HD3  H N N 128 
LYS HE2  H N N 129 
LYS HE3  H N N 130 
LYS HZ1  H N N 131 
LYS HZ2  H N N 132 
LYS HZ3  H N N 133 
LYS HXT  H N N 134 
NH2 N    N N N 135 
NH2 HN1  H N N 136 
NH2 HN2  H N N 137 
PCA N    N N N 138 
PCA CA   C N S 139 
PCA CB   C N N 140 
PCA CG   C N N 141 
PCA CD   C N N 142 
PCA OE   O N N 143 
PCA C    C N N 144 
PCA O    O N N 145 
PCA OXT  O N N 146 
PCA H    H N N 147 
PCA HA   H N N 148 
PCA HB2  H N N 149 
PCA HB3  H N N 150 
PCA HG2  H N N 151 
PCA HG3  H N N 152 
PCA HXT  H N N 153 
PRO N    N N N 154 
PRO CA   C N S 155 
PRO C    C N N 156 
PRO O    O N N 157 
PRO CB   C N N 158 
PRO CG   C N N 159 
PRO CD   C N N 160 
PRO OXT  O N N 161 
PRO H    H N N 162 
PRO HA   H N N 163 
PRO HB2  H N N 164 
PRO HB3  H N N 165 
PRO HG2  H N N 166 
PRO HG3  H N N 167 
PRO HD2  H N N 168 
PRO HD3  H N N 169 
PRO HXT  H N N 170 
SER N    N N N 171 
SER CA   C N S 172 
SER C    C N N 173 
SER O    O N N 174 
SER CB   C N N 175 
SER OG   O N N 176 
SER OXT  O N N 177 
SER H    H N N 178 
SER H2   H N N 179 
SER HA   H N N 180 
SER HB2  H N N 181 
SER HB3  H N N 182 
SER HG   H N N 183 
SER HXT  H N N 184 
THR N    N N N 185 
THR CA   C N S 186 
THR C    C N N 187 
THR O    O N N 188 
THR CB   C N R 189 
THR OG1  O N N 190 
THR CG2  C N N 191 
THR OXT  O N N 192 
THR H    H N N 193 
THR H2   H N N 194 
THR HA   H N N 195 
THR HB   H N N 196 
THR HG1  H N N 197 
THR HG21 H N N 198 
THR HG22 H N N 199 
THR HG23 H N N 200 
THR HXT  H N N 201 
TYR N    N N N 202 
TYR CA   C N S 203 
TYR C    C N N 204 
TYR O    O N N 205 
TYR CB   C N N 206 
TYR CG   C Y N 207 
TYR CD1  C Y N 208 
TYR CD2  C Y N 209 
TYR CE1  C Y N 210 
TYR CE2  C Y N 211 
TYR CZ   C Y N 212 
TYR OH   O N N 213 
TYR OXT  O N N 214 
TYR H    H N N 215 
TYR H2   H N N 216 
TYR HA   H N N 217 
TYR HB2  H N N 218 
TYR HB3  H N N 219 
TYR HD1  H N N 220 
TYR HD2  H N N 221 
TYR HE1  H N N 222 
TYR HE2  H N N 223 
TYR HH   H N N 224 
TYR HXT  H N N 225 
VAL N    N N N 226 
VAL CA   C N S 227 
VAL C    C N N 228 
VAL O    O N N 229 
VAL CB   C N N 230 
VAL CG1  C N N 231 
VAL CG2  C N N 232 
VAL OXT  O N N 233 
VAL H    H N N 234 
VAL H2   H N N 235 
VAL HA   H N N 236 
VAL HB   H N N 237 
VAL HG11 H N N 238 
VAL HG12 H N N 239 
VAL HG13 H N N 240 
VAL HG21 H N N 241 
VAL HG22 H N N 242 
VAL HG23 H N N 243 
VAL HXT  H N N 244 
# 
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 
ARG N   CA   sing N N 1   
ARG N   H    sing N N 2   
ARG N   H2   sing N N 3   
ARG CA  C    sing N N 4   
ARG CA  CB   sing N N 5   
ARG CA  HA   sing N N 6   
ARG C   O    doub N N 7   
ARG C   OXT  sing N N 8   
ARG CB  CG   sing N N 9   
ARG CB  HB2  sing N N 10  
ARG CB  HB3  sing N N 11  
ARG CG  CD   sing N N 12  
ARG CG  HG2  sing N N 13  
ARG CG  HG3  sing N N 14  
ARG CD  NE   sing N N 15  
ARG CD  HD2  sing N N 16  
ARG CD  HD3  sing N N 17  
ARG NE  CZ   sing N N 18  
ARG NE  HE   sing N N 19  
ARG CZ  NH1  sing N N 20  
ARG CZ  NH2  doub N N 21  
ARG NH1 HH11 sing N N 22  
ARG NH1 HH12 sing N N 23  
ARG NH2 HH21 sing N N 24  
ARG NH2 HH22 sing N N 25  
ARG OXT HXT  sing N N 26  
ASP N   CA   sing N N 27  
ASP N   H    sing N N 28  
ASP N   H2   sing N N 29  
ASP CA  C    sing N N 30  
ASP CA  CB   sing N N 31  
ASP CA  HA   sing N N 32  
ASP C   O    doub N N 33  
ASP C   OXT  sing N N 34  
ASP CB  CG   sing N N 35  
ASP CB  HB2  sing N N 36  
ASP CB  HB3  sing N N 37  
ASP CG  OD1  doub N N 38  
ASP CG  OD2  sing N N 39  
ASP OD2 HD2  sing N N 40  
ASP OXT HXT  sing N N 41  
CYS N   CA   sing N N 42  
CYS N   H    sing N N 43  
CYS N   H2   sing N N 44  
CYS CA  C    sing N N 45  
CYS CA  CB   sing N N 46  
CYS CA  HA   sing N N 47  
CYS C   O    doub N N 48  
CYS C   OXT  sing N N 49  
CYS CB  SG   sing N N 50  
CYS CB  HB2  sing N N 51  
CYS CB  HB3  sing N N 52  
CYS SG  HG   sing N N 53  
CYS OXT HXT  sing N N 54  
GLN N   CA   sing N N 55  
GLN N   H    sing N N 56  
GLN N   H2   sing N N 57  
GLN CA  C    sing N N 58  
GLN CA  CB   sing N N 59  
GLN CA  HA   sing N N 60  
GLN C   O    doub N N 61  
GLN C   OXT  sing N N 62  
GLN CB  CG   sing N N 63  
GLN CB  HB2  sing N N 64  
GLN CB  HB3  sing N N 65  
GLN CG  CD   sing N N 66  
GLN CG  HG2  sing N N 67  
GLN CG  HG3  sing N N 68  
GLN CD  OE1  doub N N 69  
GLN CD  NE2  sing N N 70  
GLN NE2 HE21 sing N N 71  
GLN NE2 HE22 sing N N 72  
GLN OXT HXT  sing N N 73  
GLY N   CA   sing N N 74  
GLY N   H    sing N N 75  
GLY N   H2   sing N N 76  
GLY CA  C    sing N N 77  
GLY CA  HA2  sing N N 78  
GLY CA  HA3  sing N N 79  
GLY C   O    doub N N 80  
GLY C   OXT  sing N N 81  
GLY OXT HXT  sing N N 82  
LEU N   CA   sing N N 83  
LEU N   H    sing N N 84  
LEU N   H2   sing N N 85  
LEU CA  C    sing N N 86  
LEU CA  CB   sing N N 87  
LEU CA  HA   sing N N 88  
LEU C   O    doub N N 89  
LEU C   OXT  sing N N 90  
LEU CB  CG   sing N N 91  
LEU CB  HB2  sing N N 92  
LEU CB  HB3  sing N N 93  
LEU CG  CD1  sing N N 94  
LEU CG  CD2  sing N N 95  
LEU CG  HG   sing N N 96  
LEU CD1 HD11 sing N N 97  
LEU CD1 HD12 sing N N 98  
LEU CD1 HD13 sing N N 99  
LEU CD2 HD21 sing N N 100 
LEU CD2 HD22 sing N N 101 
LEU CD2 HD23 sing N N 102 
LEU OXT HXT  sing N N 103 
LYS N   CA   sing N N 104 
LYS N   H    sing N N 105 
LYS N   H2   sing N N 106 
LYS CA  C    sing N N 107 
LYS CA  CB   sing N N 108 
LYS CA  HA   sing N N 109 
LYS C   O    doub N N 110 
LYS C   OXT  sing N N 111 
LYS CB  CG   sing N N 112 
LYS CB  HB2  sing N N 113 
LYS CB  HB3  sing N N 114 
LYS CG  CD   sing N N 115 
LYS CG  HG2  sing N N 116 
LYS CG  HG3  sing N N 117 
LYS CD  CE   sing N N 118 
LYS CD  HD2  sing N N 119 
LYS CD  HD3  sing N N 120 
LYS CE  NZ   sing N N 121 
LYS CE  HE2  sing N N 122 
LYS CE  HE3  sing N N 123 
LYS NZ  HZ1  sing N N 124 
LYS NZ  HZ2  sing N N 125 
LYS NZ  HZ3  sing N N 126 
LYS OXT HXT  sing N N 127 
NH2 N   HN1  sing N N 128 
NH2 N   HN2  sing N N 129 
PCA N   CA   sing N N 130 
PCA N   CD   sing N N 131 
PCA N   H    sing N N 132 
PCA CA  CB   sing N N 133 
PCA CA  C    sing N N 134 
PCA CA  HA   sing N N 135 
PCA CB  CG   sing N N 136 
PCA CB  HB2  sing N N 137 
PCA CB  HB3  sing N N 138 
PCA CG  CD   sing N N 139 
PCA CG  HG2  sing N N 140 
PCA CG  HG3  sing N N 141 
PCA CD  OE   doub N N 142 
PCA C   O    doub N N 143 
PCA C   OXT  sing N N 144 
PCA OXT HXT  sing N N 145 
PRO N   CA   sing N N 146 
PRO N   CD   sing N N 147 
PRO N   H    sing N N 148 
PRO CA  C    sing N N 149 
PRO CA  CB   sing N N 150 
PRO CA  HA   sing N N 151 
PRO C   O    doub N N 152 
PRO C   OXT  sing N N 153 
PRO CB  CG   sing N N 154 
PRO CB  HB2  sing N N 155 
PRO CB  HB3  sing N N 156 
PRO CG  CD   sing N N 157 
PRO CG  HG2  sing N N 158 
PRO CG  HG3  sing N N 159 
PRO CD  HD2  sing N N 160 
PRO CD  HD3  sing N N 161 
PRO OXT HXT  sing N N 162 
SER N   CA   sing N N 163 
SER N   H    sing N N 164 
SER N   H2   sing N N 165 
SER CA  C    sing N N 166 
SER CA  CB   sing N N 167 
SER CA  HA   sing N N 168 
SER C   O    doub N N 169 
SER C   OXT  sing N N 170 
SER CB  OG   sing N N 171 
SER CB  HB2  sing N N 172 
SER CB  HB3  sing N N 173 
SER OG  HG   sing N N 174 
SER OXT HXT  sing N N 175 
THR N   CA   sing N N 176 
THR N   H    sing N N 177 
THR N   H2   sing N N 178 
THR CA  C    sing N N 179 
THR CA  CB   sing N N 180 
THR CA  HA   sing N N 181 
THR C   O    doub N N 182 
THR C   OXT  sing N N 183 
THR CB  OG1  sing N N 184 
THR CB  CG2  sing N N 185 
THR CB  HB   sing N N 186 
THR OG1 HG1  sing N N 187 
THR CG2 HG21 sing N N 188 
THR CG2 HG22 sing N N 189 
THR CG2 HG23 sing N N 190 
THR OXT HXT  sing N N 191 
TYR N   CA   sing N N 192 
TYR N   H    sing N N 193 
TYR N   H2   sing N N 194 
TYR CA  C    sing N N 195 
TYR CA  CB   sing N N 196 
TYR CA  HA   sing N N 197 
TYR C   O    doub N N 198 
TYR C   OXT  sing N N 199 
TYR CB  CG   sing N N 200 
TYR CB  HB2  sing N N 201 
TYR CB  HB3  sing N N 202 
TYR CG  CD1  doub Y N 203 
TYR CG  CD2  sing Y N 204 
TYR CD1 CE1  sing Y N 205 
TYR CD1 HD1  sing N N 206 
TYR CD2 CE2  doub Y N 207 
TYR CD2 HD2  sing N N 208 
TYR CE1 CZ   doub Y N 209 
TYR CE1 HE1  sing N N 210 
TYR CE2 CZ   sing Y N 211 
TYR CE2 HE2  sing N N 212 
TYR CZ  OH   sing N N 213 
TYR OH  HH   sing N N 214 
TYR OXT HXT  sing N N 215 
VAL N   CA   sing N N 216 
VAL N   H    sing N N 217 
VAL N   H2   sing N N 218 
VAL CA  C    sing N N 219 
VAL CA  CB   sing N N 220 
VAL CA  HA   sing N N 221 
VAL C   O    doub N N 222 
VAL C   OXT  sing N N 223 
VAL CB  CG1  sing N N 224 
VAL CB  CG2  sing N N 225 
VAL CB  HB   sing N N 226 
VAL CG1 HG11 sing N N 227 
VAL CG1 HG12 sing N N 228 
VAL CG1 HG13 sing N N 229 
VAL CG2 HG21 sing N N 230 
VAL CG2 HG22 sing N N 231 
VAL CG2 HG23 sing N N 232 
VAL OXT HXT  sing N N 233 
# 
_pdbx_nmr_spectrometer.spectrometer_id   1 
_pdbx_nmr_spectrometer.type              ? 
_pdbx_nmr_spectrometer.manufacturer      Varian 
_pdbx_nmr_spectrometer.model             INOVA 
_pdbx_nmr_spectrometer.field_strength    600 
# 
_atom_sites.entry_id                    1S8K 
_atom_sites.fract_transf_matrix[1][1]   1.000000 
_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]   1.000000 
_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]   1.000000 
_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 
H 
N 
O 
S 
# 
loop_