data_1CEK
# 
_entry.id   1CEK 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.383 
_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   1CEK         pdb_00001cek 10.2210/pdb1cek/pdb 
RCSB  RCSB000606   ?            ?                   
WWPDB D_1000000606 ?            ?                   
# 
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 1999-03-11 
2 'Structure model' 1 1 2008-04-26 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2022-02-16 
5 'Structure model' 1 4 2023-12-27 
# 
_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' 'Database references'       
4 4 'Structure model' 'Derived calculations'      
5 5 'Structure model' 'Data collection'           
# 
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' pdbx_struct_assembly  
3 4 'Structure model' pdbx_struct_oper_list 
4 4 'Structure model' struct_ref_seq_dif    
5 5 'Structure model' chem_comp_atom        
6 5 'Structure model' chem_comp_bond        
# 
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' '_struct_ref_seq_dif.details'         
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1CEK 
_pdbx_database_status.recvd_initial_deposition_date   1999-03-09 
_pdbx_database_status.deposit_site                    BNL 
_pdbx_database_status.process_site                    RCSB 
_pdbx_database_status.SG_entry                        . 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_mr                  ? 
_pdbx_database_status.status_code_sf                  ? 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.status_code_nmr_data            ? 
_pdbx_database_status.methods_development_category    ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Marassi, F.M.'     1 
'Gesell, J.J.'      2 
'Kim, Y.'           3 
'Valente, A.P.'     4 
'Oblatt-Montal, M.' 5 
'Montal, M.'        6 
'Opella, S.J.'      7 
# 
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 'Structures of the M2 channel-lining segments from nicotinic acetylcholine and NMDA receptors by NMR spectroscopy.' 
Nat.Struct.Biol.  6 374 379 1999 NSBIEW US 1072-8368 2024 ? 10201407 10.1038/7610 
1       
'Dilute Spin-Exchange Assignment of Solid-State NMR Spectra of Oriented Proteins: Acetylcholine Receptor M2 Peptide in Bilayers' 
'To be Published' ? ?   ?   ?    ?      ?  ?         0353 ? ?        ?            
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Opella, S.J.'      1  ? 
primary 'Marassi, F.M.'     2  ? 
primary 'Gesell, J.J.'      3  ? 
primary 'Valente, A.P.'     4  ? 
primary 'Kim, Y.'           5  ? 
primary 'Oblatt-Montal, M.' 6  ? 
primary 'Montal, M.'        7  ? 
1       'Marassi, F.M.'     8  ? 
1       'Gesell, J.J.'      9  ? 
1       'Valente, A.P.'     10 ? 
1       'Kim, Y.'           11 ? 
1       'Oblatt-Montal, M.' 12 ? 
1       'Montal, M.'        13 ? 
1       'Opella, S.J.'      14 ? 
# 
_entity.id                         1 
_entity.type                       polymer 
_entity.src_method                 man 
_entity.pdbx_description           'PROTEIN (ACETYLCHOLINE RECEPTOR M2)' 
_entity.formula_weight             2666.143 
_entity.pdbx_number_of_molecules   1 
_entity.pdbx_ec                    ? 
_entity.pdbx_mutation              ? 
_entity.pdbx_fragment              'M2 DOMAIN' 
_entity.details                    ? 
# 
_entity_name_com.entity_id   1 
_entity_name_com.name        'ACHR M2' 
# 
_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       GSEKMSTAISVLLAQAVFLLLTSQR 
_entity_poly.pdbx_seq_one_letter_code_can   GSEKMSTAISVLLAQAVFLLLTSQR 
_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  GLY n 
1 2  SER n 
1 3  GLU n 
1 4  LYS n 
1 5  MET n 
1 6  SER n 
1 7  THR n 
1 8  ALA n 
1 9  ILE n 
1 10 SER n 
1 11 VAL n 
1 12 LEU n 
1 13 LEU n 
1 14 ALA n 
1 15 GLN n 
1 16 ALA n 
1 17 VAL n 
1 18 PHE n 
1 19 LEU n 
1 20 LEU n 
1 21 LEU n 
1 22 THR n 
1 23 SER n 
1 24 GLN n 
1 25 ARG 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                 ? 
_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                BRAIN 
_entity_src_gen.pdbx_gene_src_organelle            ? 
_entity_src_gen.pdbx_gene_src_cell                 NEURON 
_entity_src_gen.pdbx_gene_src_cellular_location    'POST-SYNAPTIC MEMBRANE' 
_entity_src_gen.host_org_common_name               ? 
_entity_src_gen.pdbx_host_org_scientific_name      'Escherichia coli BL21' 
_entity_src_gen.pdbx_host_org_ncbi_taxonomy_id     511693 
_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 
_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          BACTERIAL 
_entity_src_gen.pdbx_host_org_vector               ? 
_entity_src_gen.host_org_details                   ? 
_entity_src_gen.expression_system_id               ? 
_entity_src_gen.plasmid_name                       'PGEX FUSION' 
_entity_src_gen.plasmid_details                    ? 
_entity_src_gen.pdbx_description                   ? 
# 
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 
CYS 'L-peptide linking' y CYSTEINE        ? 'C3 H7 N O2 S'   121.158 
GLN 'L-peptide linking' y GLUTAMINE       ? 'C5 H10 N2 O3'   146.144 
GLU 'L-peptide linking' y 'GLUTAMIC ACID' ? 'C5 H9 N O4'     147.129 
GLY 'peptide linking'   y GLYCINE         ? 'C2 H5 N O2'     75.067  
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 
SER 'L-peptide linking' y SERINE          ? 'C3 H7 N O3'     105.093 
THR 'L-peptide linking' y THREONINE       ? 'C4 H9 N O3'     119.119 
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  GLY 1  1  ?  ?   ?   A . n 
A 1 2  SER 2  2  ?  ?   ?   A . n 
A 1 3  GLU 3  3  ?  ?   ?   A . n 
A 1 4  LYS 4  4  ?  ?   ?   A . n 
A 1 5  MET 5  5  ?  ?   ?   A . n 
A 1 6  SER 6  6  ?  ?   ?   A . n 
A 1 7  THR 7  7  7  THR THR A . n 
A 1 8  ALA 8  8  8  ALA ALA A . n 
A 1 9  ILE 9  9  9  ILE ILE A . n 
A 1 10 SER 10 10 10 SER SER A . n 
A 1 11 VAL 11 11 11 VAL VAL A . n 
A 1 12 LEU 12 12 12 LEU LEU A . n 
A 1 13 LEU 13 13 13 LEU LEU A . n 
A 1 14 ALA 14 14 14 ALA ALA A . n 
A 1 15 GLN 15 15 15 GLN GLN A . n 
A 1 16 ALA 16 16 16 ALA ALA A . n 
A 1 17 VAL 17 17 17 VAL VAL A . n 
A 1 18 PHE 18 18 18 PHE PHE A . n 
A 1 19 LEU 19 19 19 LEU LEU A . n 
A 1 20 LEU 20 20 20 LEU LEU A . n 
A 1 21 LEU 21 21 21 LEU LEU A . n 
A 1 22 THR 22 22 ?  ?   ?   A . n 
A 1 23 SER 23 23 ?  ?   ?   A . n 
A 1 24 GLN 24 24 ?  ?   ?   A . n 
A 1 25 ARG 25 25 ?  ?   ?   A . n 
# 
loop_
_pdbx_unobs_or_zero_occ_atoms.id 
_pdbx_unobs_or_zero_occ_atoms.PDB_model_num 
_pdbx_unobs_or_zero_occ_atoms.polymer_flag 
_pdbx_unobs_or_zero_occ_atoms.occupancy_flag 
_pdbx_unobs_or_zero_occ_atoms.auth_asym_id 
_pdbx_unobs_or_zero_occ_atoms.auth_comp_id 
_pdbx_unobs_or_zero_occ_atoms.auth_seq_id 
_pdbx_unobs_or_zero_occ_atoms.PDB_ins_code 
_pdbx_unobs_or_zero_occ_atoms.auth_atom_id 
_pdbx_unobs_or_zero_occ_atoms.label_alt_id 
_pdbx_unobs_or_zero_occ_atoms.label_asym_id 
_pdbx_unobs_or_zero_occ_atoms.label_comp_id 
_pdbx_unobs_or_zero_occ_atoms.label_seq_id 
_pdbx_unobs_or_zero_occ_atoms.label_atom_id 
1  1 Y 1 A THR 7  ? N   ? A THR 7  N   
2  1 Y 1 A THR 7  ? CB  ? A THR 7  CB  
3  1 Y 1 A THR 7  ? OG1 ? A THR 7  OG1 
4  1 Y 1 A THR 7  ? CG2 ? A THR 7  CG2 
5  1 Y 1 A ALA 8  ? CB  ? A ALA 8  CB  
6  1 Y 1 A ILE 9  ? CB  ? A ILE 9  CB  
7  1 Y 1 A ILE 9  ? CG1 ? A ILE 9  CG1 
8  1 Y 1 A ILE 9  ? CG2 ? A ILE 9  CG2 
9  1 Y 1 A ILE 9  ? CD1 ? A ILE 9  CD1 
10 1 Y 1 A SER 10 ? CB  ? A SER 10 CB  
11 1 Y 1 A SER 10 ? OG  ? A SER 10 OG  
12 1 Y 1 A VAL 11 ? CB  ? A VAL 11 CB  
13 1 Y 1 A VAL 11 ? CG1 ? A VAL 11 CG1 
14 1 Y 1 A VAL 11 ? CG2 ? A VAL 11 CG2 
15 1 Y 1 A LEU 12 ? CB  ? A LEU 12 CB  
16 1 Y 1 A LEU 12 ? CG  ? A LEU 12 CG  
17 1 Y 1 A LEU 12 ? CD1 ? A LEU 12 CD1 
18 1 Y 1 A LEU 12 ? CD2 ? A LEU 12 CD2 
19 1 Y 1 A LEU 13 ? CB  ? A LEU 13 CB  
20 1 Y 1 A LEU 13 ? CG  ? A LEU 13 CG  
21 1 Y 1 A LEU 13 ? CD1 ? A LEU 13 CD1 
22 1 Y 1 A LEU 13 ? CD2 ? A LEU 13 CD2 
23 1 Y 1 A ALA 14 ? CB  ? A ALA 14 CB  
24 1 Y 1 A GLN 15 ? CB  ? A GLN 15 CB  
25 1 Y 1 A GLN 15 ? CG  ? A GLN 15 CG  
26 1 Y 1 A GLN 15 ? CD  ? A GLN 15 CD  
27 1 Y 1 A GLN 15 ? OE1 ? A GLN 15 OE1 
28 1 Y 1 A GLN 15 ? NE2 ? A GLN 15 NE2 
29 1 Y 1 A ALA 16 ? CB  ? A ALA 16 CB  
30 1 Y 1 A VAL 17 ? CB  ? A VAL 17 CB  
31 1 Y 1 A VAL 17 ? CG1 ? A VAL 17 CG1 
32 1 Y 1 A VAL 17 ? CG2 ? A VAL 17 CG2 
33 1 Y 1 A PHE 18 ? CB  ? A PHE 18 CB  
34 1 Y 1 A PHE 18 ? CG  ? A PHE 18 CG  
35 1 Y 1 A PHE 18 ? CD1 ? A PHE 18 CD1 
36 1 Y 1 A PHE 18 ? CD2 ? A PHE 18 CD2 
37 1 Y 1 A PHE 18 ? CE1 ? A PHE 18 CE1 
38 1 Y 1 A PHE 18 ? CE2 ? A PHE 18 CE2 
39 1 Y 1 A PHE 18 ? CZ  ? A PHE 18 CZ  
40 1 Y 1 A LEU 19 ? CB  ? A LEU 19 CB  
41 1 Y 1 A LEU 19 ? CG  ? A LEU 19 CG  
42 1 Y 1 A LEU 19 ? CD1 ? A LEU 19 CD1 
43 1 Y 1 A LEU 19 ? CD2 ? A LEU 19 CD2 
44 1 Y 1 A LEU 20 ? CB  ? A LEU 20 CB  
45 1 Y 1 A LEU 20 ? CG  ? A LEU 20 CG  
46 1 Y 1 A LEU 20 ? CD1 ? A LEU 20 CD1 
47 1 Y 1 A LEU 20 ? CD2 ? A LEU 20 CD2 
48 1 Y 1 A LEU 21 ? C   ? A LEU 21 C   
49 1 Y 1 A LEU 21 ? O   ? A LEU 21 O   
50 1 Y 1 A LEU 21 ? CB  ? A LEU 21 CB  
51 1 Y 1 A LEU 21 ? CG  ? A LEU 21 CG  
52 1 Y 1 A LEU 21 ? CD1 ? A LEU 21 CD1 
53 1 Y 1 A LEU 21 ? CD2 ? A LEU 21 CD2 
# 
_cell.entry_id           1CEK 
_cell.length_a           1.000 
_cell.length_b           1.000 
_cell.length_c           1.000 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        90.00 
_cell.Z_PDB              1 
_cell.pdbx_unique_axis   ? 
# 
_symmetry.entry_id                         1CEK 
_symmetry.space_group_name_H-M             'P 1' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     ? 
_symmetry.Int_Tables_number                1 
# 
_exptl.entry_id          1CEK 
_exptl.method            'SOLID-STATE NMR' 
_exptl.crystals_number   ? 
# 
_database_PDB_matrix.entry_id          1CEK 
_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                  1CEK 
_struct.title                     
;THREE-DIMENSIONAL STRUCTURE OF THE MEMBRANE-EMBEDDED M2 CHANNEL-LINING SEGMENT FROM THE NICOTINIC ACETYLCHOLINE RECEPTOR BY SOLID-STATE NMR SPECTROSCOPY
;
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1CEK 
_struct_keywords.pdbx_keywords   'ACETYLCHOLINE RECEPTOR' 
_struct_keywords.text            'ACETYLCHOLINE RECEPTOR, M2, LIPID BILAYERS, ION-CHANNEL' 
# 
_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                    ACHD_RAT 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_db_accession          P25110 
_struct_ref.pdbx_db_isoform            ? 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_align_begin           ? 
# 
_struct_ref_seq.align_id                      1 
_struct_ref_seq.ref_id                        1 
_struct_ref_seq.pdbx_PDB_id_code              1CEK 
_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                 25 
_struct_ref_seq.pdbx_seq_align_end_ins_code   ? 
_struct_ref_seq.pdbx_db_accession             P25110 
_struct_ref_seq.db_align_beg                  274 
_struct_ref_seq.pdbx_db_align_beg_ins_code    ? 
_struct_ref_seq.db_align_end                  298 
_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       25 
# 
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 1CEK GLY A 1  ? UNP P25110 CYS 274 'cloning artifact' 1  1 
1 1CEK SER A 2  ? UNP P25110 GLY 275 'cloning artifact' 2  2 
1 1CEK MET A 5  ? UNP P25110 THR 278 conflict           5  3 
1 1CEK THR A 7  ? UNP P25110 VAL 280 conflict           7  4 
1 1CEK ALA A 16 ? UNP P25110 SER 289 conflict           16 5 
1 1CEK THR A 22 ? UNP P25110 ILE 295 conflict           22 6 
1 1CEK GLN A 24 ? UNP P25110 LYS 297 conflict           24 7 
# 
_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       THR 
_struct_conf.beg_label_asym_id       A 
_struct_conf.beg_label_seq_id        7 
_struct_conf.pdbx_beg_PDB_ins_code   ? 
_struct_conf.end_label_comp_id       LEU 
_struct_conf.end_label_asym_id       A 
_struct_conf.end_label_seq_id        21 
_struct_conf.pdbx_end_PDB_ins_code   ? 
_struct_conf.beg_auth_comp_id        THR 
_struct_conf.beg_auth_asym_id        A 
_struct_conf.beg_auth_seq_id         7 
_struct_conf.end_auth_comp_id        LEU 
_struct_conf.end_auth_asym_id        A 
_struct_conf.end_auth_seq_id         21 
_struct_conf.pdbx_PDB_helix_class    1 
_struct_conf.details                 'SEE REMARK 650' 
_struct_conf.pdbx_PDB_helix_length   15 
# 
_struct_conf_type.id          HELX_P 
_struct_conf_type.criteria    ? 
_struct_conf_type.reference   ? 
# 
_pdbx_nmr_ensemble.entry_id                                      1CEK 
_pdbx_nmr_ensemble.conformers_calculated_total_number            24 
_pdbx_nmr_ensemble.conformers_submitted_total_number             1 
_pdbx_nmr_ensemble.conformer_selection_criteria                  '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_sample_details.solution_id      1 
_pdbx_nmr_sample_details.contents         DMPC 
_pdbx_nmr_sample_details.solvent_system   ? 
# 
_pdbx_nmr_exptl_sample_conditions.conditions_id       1 
_pdbx_nmr_exptl_sample_conditions.temperature         295 
_pdbx_nmr_exptl_sample_conditions.pressure            ? 
_pdbx_nmr_exptl_sample_conditions.pH                  6.0 
_pdbx_nmr_exptl_sample_conditions.ionic_strength      ? 
_pdbx_nmr_exptl_sample_conditions.pressure_units      . 
_pdbx_nmr_exptl_sample_conditions.temperature_units   K 
# 
loop_
_pdbx_nmr_exptl.experiment_id 
_pdbx_nmr_exptl.conditions_id 
_pdbx_nmr_exptl.solution_id 
_pdbx_nmr_exptl.type 
1 1 1 '15N SHIFT/1H-15N DIPOLAR COUPLING PISEMA'               
2 1 1 '15N SHIFT/15N SHIFT HETCOR'                             
3 1 1 '1H SHIFT/15N SHIFT/1H-15N DIPOLAR COUPLING CORRELATION' 
# 
_pdbx_nmr_details.entry_id   1CEK 
_pdbx_nmr_details.text       
;LOWEST ENERGY. SAMPLE: DMPC BILAYERS ORIENTED ON GLASS SLIDES 15N CHEMICAL SHIFT, 1H CHEMICAL SHIFT AND 1H-15N DIPOLAR COUPLING FREQUENCIES WERE MEASURED FROM PISEMA AND
;
# 
_pdbx_nmr_refine.entry_id           1CEK 
_pdbx_nmr_refine.method             'ORIENTATIONAL CONSTRAINTS' 
_pdbx_nmr_refine.details            ? 
_pdbx_nmr_refine.software_ordinal   1 
# 
loop_
_pdbx_nmr_software.classification 
_pdbx_nmr_software.name 
_pdbx_nmr_software.version 
_pdbx_nmr_software.authors 
_pdbx_nmr_software.ordinal 
'structure solution' FISI     ? ? 1 
'structure solution' BACKTOR  ? ? 2 
'structure solution' RESTRICT ? ? 3 
refinement           RESTRICT ? ? 4 
# 
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 1  ? A GLY 1  
2  1 Y 1 A SER 2  ? A SER 2  
3  1 Y 1 A GLU 3  ? A GLU 3  
4  1 Y 1 A LYS 4  ? A LYS 4  
5  1 Y 1 A MET 5  ? A MET 5  
6  1 Y 1 A SER 6  ? A SER 6  
7  1 Y 1 A THR 22 ? A THR 22 
8  1 Y 1 A SER 23 ? A SER 23 
9  1 Y 1 A GLN 24 ? A GLN 24 
10 1 Y 1 A ARG 25 ? A ARG 25 
# 
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  
CYS N    N N N 41  
CYS CA   C N R 42  
CYS C    C N N 43  
CYS O    O N N 44  
CYS CB   C N N 45  
CYS SG   S N N 46  
CYS OXT  O N N 47  
CYS H    H N N 48  
CYS H2   H N N 49  
CYS HA   H N N 50  
CYS HB2  H N N 51  
CYS HB3  H N N 52  
CYS HG   H N N 53  
CYS HXT  H N N 54  
GLN N    N N N 55  
GLN CA   C N S 56  
GLN C    C N N 57  
GLN O    O N N 58  
GLN CB   C N N 59  
GLN CG   C N N 60  
GLN CD   C N N 61  
GLN OE1  O N N 62  
GLN NE2  N N N 63  
GLN OXT  O N N 64  
GLN H    H N N 65  
GLN H2   H N N 66  
GLN HA   H N N 67  
GLN HB2  H N N 68  
GLN HB3  H N N 69  
GLN HG2  H N N 70  
GLN HG3  H N N 71  
GLN HE21 H N N 72  
GLN HE22 H N N 73  
GLN HXT  H N N 74  
GLU N    N N N 75  
GLU CA   C N S 76  
GLU C    C N N 77  
GLU O    O N N 78  
GLU CB   C N N 79  
GLU CG   C N N 80  
GLU CD   C N N 81  
GLU OE1  O N N 82  
GLU OE2  O N N 83  
GLU OXT  O N N 84  
GLU H    H N N 85  
GLU H2   H N N 86  
GLU HA   H N N 87  
GLU HB2  H N N 88  
GLU HB3  H N N 89  
GLU HG2  H N N 90  
GLU HG3  H N N 91  
GLU HE2  H N N 92  
GLU HXT  H N N 93  
GLY N    N N N 94  
GLY CA   C N N 95  
GLY C    C N N 96  
GLY O    O N N 97  
GLY OXT  O N N 98  
GLY H    H N N 99  
GLY H2   H N N 100 
GLY HA2  H N N 101 
GLY HA3  H N N 102 
GLY HXT  H N N 103 
ILE N    N N N 104 
ILE CA   C N S 105 
ILE C    C N N 106 
ILE O    O N N 107 
ILE CB   C N S 108 
ILE CG1  C N N 109 
ILE CG2  C N N 110 
ILE CD1  C N N 111 
ILE OXT  O N N 112 
ILE H    H N N 113 
ILE H2   H N N 114 
ILE HA   H N N 115 
ILE HB   H N N 116 
ILE HG12 H N N 117 
ILE HG13 H N N 118 
ILE HG21 H N N 119 
ILE HG22 H N N 120 
ILE HG23 H N N 121 
ILE HD11 H N N 122 
ILE HD12 H N N 123 
ILE HD13 H N N 124 
ILE HXT  H N N 125 
LEU N    N N N 126 
LEU CA   C N S 127 
LEU C    C N N 128 
LEU O    O N N 129 
LEU CB   C N N 130 
LEU CG   C N N 131 
LEU CD1  C N N 132 
LEU CD2  C N N 133 
LEU OXT  O N N 134 
LEU H    H N N 135 
LEU H2   H N N 136 
LEU HA   H N N 137 
LEU HB2  H N N 138 
LEU HB3  H N N 139 
LEU HG   H N N 140 
LEU HD11 H N N 141 
LEU HD12 H N N 142 
LEU HD13 H N N 143 
LEU HD21 H N N 144 
LEU HD22 H N N 145 
LEU HD23 H N N 146 
LEU HXT  H N N 147 
LYS N    N N N 148 
LYS CA   C N S 149 
LYS C    C N N 150 
LYS O    O N N 151 
LYS CB   C N N 152 
LYS CG   C N N 153 
LYS CD   C N N 154 
LYS CE   C N N 155 
LYS NZ   N N N 156 
LYS OXT  O N N 157 
LYS H    H N N 158 
LYS H2   H N N 159 
LYS HA   H N N 160 
LYS HB2  H N N 161 
LYS HB3  H N N 162 
LYS HG2  H N N 163 
LYS HG3  H N N 164 
LYS HD2  H N N 165 
LYS HD3  H N N 166 
LYS HE2  H N N 167 
LYS HE3  H N N 168 
LYS HZ1  H N N 169 
LYS HZ2  H N N 170 
LYS HZ3  H N N 171 
LYS HXT  H N N 172 
MET N    N N N 173 
MET CA   C N S 174 
MET C    C N N 175 
MET O    O N N 176 
MET CB   C N N 177 
MET CG   C N N 178 
MET SD   S N N 179 
MET CE   C N N 180 
MET OXT  O N N 181 
MET H    H N N 182 
MET H2   H N N 183 
MET HA   H N N 184 
MET HB2  H N N 185 
MET HB3  H N N 186 
MET HG2  H N N 187 
MET HG3  H N N 188 
MET HE1  H N N 189 
MET HE2  H N N 190 
MET HE3  H N N 191 
MET HXT  H N N 192 
PHE N    N N N 193 
PHE CA   C N S 194 
PHE C    C N N 195 
PHE O    O N N 196 
PHE CB   C N N 197 
PHE CG   C Y N 198 
PHE CD1  C Y N 199 
PHE CD2  C Y N 200 
PHE CE1  C Y N 201 
PHE CE2  C Y N 202 
PHE CZ   C Y N 203 
PHE OXT  O N N 204 
PHE H    H N N 205 
PHE H2   H N N 206 
PHE HA   H N N 207 
PHE HB2  H N N 208 
PHE HB3  H N N 209 
PHE HD1  H N N 210 
PHE HD2  H N N 211 
PHE HE1  H N N 212 
PHE HE2  H N N 213 
PHE HZ   H N N 214 
PHE HXT  H N N 215 
SER N    N N N 216 
SER CA   C N S 217 
SER C    C N N 218 
SER O    O N N 219 
SER CB   C N N 220 
SER OG   O N N 221 
SER OXT  O N N 222 
SER H    H N N 223 
SER H2   H N N 224 
SER HA   H N N 225 
SER HB2  H N N 226 
SER HB3  H N N 227 
SER HG   H N N 228 
SER HXT  H N N 229 
THR N    N N N 230 
THR CA   C N S 231 
THR C    C N N 232 
THR O    O N N 233 
THR CB   C N R 234 
THR OG1  O N N 235 
THR CG2  C N N 236 
THR OXT  O N N 237 
THR H    H N N 238 
THR H2   H N N 239 
THR HA   H N N 240 
THR HB   H N N 241 
THR HG1  H N N 242 
THR HG21 H N N 243 
THR HG22 H N N 244 
THR HG23 H N N 245 
THR HXT  H N N 246 
VAL N    N N N 247 
VAL CA   C N S 248 
VAL C    C N N 249 
VAL O    O N N 250 
VAL CB   C N N 251 
VAL CG1  C N N 252 
VAL CG2  C N N 253 
VAL OXT  O N N 254 
VAL H    H N N 255 
VAL H2   H N N 256 
VAL HA   H N N 257 
VAL HB   H N N 258 
VAL HG11 H N N 259 
VAL HG12 H N N 260 
VAL HG13 H N N 261 
VAL HG21 H N N 262 
VAL HG22 H N N 263 
VAL HG23 H N N 264 
VAL HXT  H N N 265 
# 
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  
CYS N   CA   sing N N 39  
CYS N   H    sing N N 40  
CYS N   H2   sing N N 41  
CYS CA  C    sing N N 42  
CYS CA  CB   sing N N 43  
CYS CA  HA   sing N N 44  
CYS C   O    doub N N 45  
CYS C   OXT  sing N N 46  
CYS CB  SG   sing N N 47  
CYS CB  HB2  sing N N 48  
CYS CB  HB3  sing N N 49  
CYS SG  HG   sing N N 50  
CYS OXT HXT  sing N N 51  
GLN N   CA   sing N N 52  
GLN N   H    sing N N 53  
GLN N   H2   sing N N 54  
GLN CA  C    sing N N 55  
GLN CA  CB   sing N N 56  
GLN CA  HA   sing N N 57  
GLN C   O    doub N N 58  
GLN C   OXT  sing N N 59  
GLN CB  CG   sing N N 60  
GLN CB  HB2  sing N N 61  
GLN CB  HB3  sing N N 62  
GLN CG  CD   sing N N 63  
GLN CG  HG2  sing N N 64  
GLN CG  HG3  sing N N 65  
GLN CD  OE1  doub N N 66  
GLN CD  NE2  sing N N 67  
GLN NE2 HE21 sing N N 68  
GLN NE2 HE22 sing N N 69  
GLN OXT HXT  sing N N 70  
GLU N   CA   sing N N 71  
GLU N   H    sing N N 72  
GLU N   H2   sing N N 73  
GLU CA  C    sing N N 74  
GLU CA  CB   sing N N 75  
GLU CA  HA   sing N N 76  
GLU C   O    doub N N 77  
GLU C   OXT  sing N N 78  
GLU CB  CG   sing N N 79  
GLU CB  HB2  sing N N 80  
GLU CB  HB3  sing N N 81  
GLU CG  CD   sing N N 82  
GLU CG  HG2  sing N N 83  
GLU CG  HG3  sing N N 84  
GLU CD  OE1  doub N N 85  
GLU CD  OE2  sing N N 86  
GLU OE2 HE2  sing N N 87  
GLU OXT HXT  sing N N 88  
GLY N   CA   sing N N 89  
GLY N   H    sing N N 90  
GLY N   H2   sing N N 91  
GLY CA  C    sing N N 92  
GLY CA  HA2  sing N N 93  
GLY CA  HA3  sing N N 94  
GLY C   O    doub N N 95  
GLY C   OXT  sing N N 96  
GLY OXT HXT  sing N N 97  
ILE N   CA   sing N N 98  
ILE N   H    sing N N 99  
ILE N   H2   sing N N 100 
ILE CA  C    sing N N 101 
ILE CA  CB   sing N N 102 
ILE CA  HA   sing N N 103 
ILE C   O    doub N N 104 
ILE C   OXT  sing N N 105 
ILE CB  CG1  sing N N 106 
ILE CB  CG2  sing N N 107 
ILE CB  HB   sing N N 108 
ILE CG1 CD1  sing N N 109 
ILE CG1 HG12 sing N N 110 
ILE CG1 HG13 sing N N 111 
ILE CG2 HG21 sing N N 112 
ILE CG2 HG22 sing N N 113 
ILE CG2 HG23 sing N N 114 
ILE CD1 HD11 sing N N 115 
ILE CD1 HD12 sing N N 116 
ILE CD1 HD13 sing N N 117 
ILE OXT HXT  sing N N 118 
LEU N   CA   sing N N 119 
LEU N   H    sing N N 120 
LEU N   H2   sing N N 121 
LEU CA  C    sing N N 122 
LEU CA  CB   sing N N 123 
LEU CA  HA   sing N N 124 
LEU C   O    doub N N 125 
LEU C   OXT  sing N N 126 
LEU CB  CG   sing N N 127 
LEU CB  HB2  sing N N 128 
LEU CB  HB3  sing N N 129 
LEU CG  CD1  sing N N 130 
LEU CG  CD2  sing N N 131 
LEU CG  HG   sing N N 132 
LEU CD1 HD11 sing N N 133 
LEU CD1 HD12 sing N N 134 
LEU CD1 HD13 sing N N 135 
LEU CD2 HD21 sing N N 136 
LEU CD2 HD22 sing N N 137 
LEU CD2 HD23 sing N N 138 
LEU OXT HXT  sing N N 139 
LYS N   CA   sing N N 140 
LYS N   H    sing N N 141 
LYS N   H2   sing N N 142 
LYS CA  C    sing N N 143 
LYS CA  CB   sing N N 144 
LYS CA  HA   sing N N 145 
LYS C   O    doub N N 146 
LYS C   OXT  sing N N 147 
LYS CB  CG   sing N N 148 
LYS CB  HB2  sing N N 149 
LYS CB  HB3  sing N N 150 
LYS CG  CD   sing N N 151 
LYS CG  HG2  sing N N 152 
LYS CG  HG3  sing N N 153 
LYS CD  CE   sing N N 154 
LYS CD  HD2  sing N N 155 
LYS CD  HD3  sing N N 156 
LYS CE  NZ   sing N N 157 
LYS CE  HE2  sing N N 158 
LYS CE  HE3  sing N N 159 
LYS NZ  HZ1  sing N N 160 
LYS NZ  HZ2  sing N N 161 
LYS NZ  HZ3  sing N N 162 
LYS OXT HXT  sing N N 163 
MET N   CA   sing N N 164 
MET N   H    sing N N 165 
MET N   H2   sing N N 166 
MET CA  C    sing N N 167 
MET CA  CB   sing N N 168 
MET CA  HA   sing N N 169 
MET C   O    doub N N 170 
MET C   OXT  sing N N 171 
MET CB  CG   sing N N 172 
MET CB  HB2  sing N N 173 
MET CB  HB3  sing N N 174 
MET CG  SD   sing N N 175 
MET CG  HG2  sing N N 176 
MET CG  HG3  sing N N 177 
MET SD  CE   sing N N 178 
MET CE  HE1  sing N N 179 
MET CE  HE2  sing N N 180 
MET CE  HE3  sing N N 181 
MET OXT HXT  sing N N 182 
PHE N   CA   sing N N 183 
PHE N   H    sing N N 184 
PHE N   H2   sing N N 185 
PHE CA  C    sing N N 186 
PHE CA  CB   sing N N 187 
PHE CA  HA   sing N N 188 
PHE C   O    doub N N 189 
PHE C   OXT  sing N N 190 
PHE CB  CG   sing N N 191 
PHE CB  HB2  sing N N 192 
PHE CB  HB3  sing N N 193 
PHE CG  CD1  doub Y N 194 
PHE CG  CD2  sing Y N 195 
PHE CD1 CE1  sing Y N 196 
PHE CD1 HD1  sing N N 197 
PHE CD2 CE2  doub Y N 198 
PHE CD2 HD2  sing N N 199 
PHE CE1 CZ   doub Y N 200 
PHE CE1 HE1  sing N N 201 
PHE CE2 CZ   sing Y N 202 
PHE CE2 HE2  sing N N 203 
PHE CZ  HZ   sing N N 204 
PHE OXT HXT  sing N N 205 
SER N   CA   sing N N 206 
SER N   H    sing N N 207 
SER N   H2   sing N N 208 
SER CA  C    sing N N 209 
SER CA  CB   sing N N 210 
SER CA  HA   sing N N 211 
SER C   O    doub N N 212 
SER C   OXT  sing N N 213 
SER CB  OG   sing N N 214 
SER CB  HB2  sing N N 215 
SER CB  HB3  sing N N 216 
SER OG  HG   sing N N 217 
SER OXT HXT  sing N N 218 
THR N   CA   sing N N 219 
THR N   H    sing N N 220 
THR N   H2   sing N N 221 
THR CA  C    sing N N 222 
THR CA  CB   sing N N 223 
THR CA  HA   sing N N 224 
THR C   O    doub N N 225 
THR C   OXT  sing N N 226 
THR CB  OG1  sing N N 227 
THR CB  CG2  sing N N 228 
THR CB  HB   sing N N 229 
THR OG1 HG1  sing N N 230 
THR CG2 HG21 sing N N 231 
THR CG2 HG22 sing N N 232 
THR CG2 HG23 sing N N 233 
THR OXT HXT  sing N N 234 
VAL N   CA   sing N N 235 
VAL N   H    sing N N 236 
VAL N   H2   sing N N 237 
VAL CA  C    sing N N 238 
VAL CA  CB   sing N N 239 
VAL CA  HA   sing N N 240 
VAL C   O    doub N N 241 
VAL C   OXT  sing N N 242 
VAL CB  CG1  sing N N 243 
VAL CB  CG2  sing N N 244 
VAL CB  HB   sing N N 245 
VAL CG1 HG11 sing N N 246 
VAL CG1 HG12 sing N N 247 
VAL CG1 HG13 sing N N 248 
VAL CG2 HG21 sing N N 249 
VAL CG2 HG22 sing N N 250 
VAL CG2 HG23 sing N N 251 
VAL OXT HXT  sing N N 252 
# 
loop_
_pdbx_nmr_spectrometer.spectrometer_id 
_pdbx_nmr_spectrometer.model 
_pdbx_nmr_spectrometer.manufacturer 
_pdbx_nmr_spectrometer.field_strength 
_pdbx_nmr_spectrometer.type 
1 HOMEBUILT Home-built   400 ? 
2 CMX400    CHEMAGNETICS 550 ? 
# 
_atom_sites.entry_id                    1CEK 
_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 
# 
loop_
_atom_site.group_PDB 
_atom_site.id 
_atom_site.type_symbol 
_atom_site.label_atom_id 
_atom_site.label_alt_id 
_atom_site.label_comp_id 
_atom_site.label_asym_id 
_atom_site.label_entity_id 
_atom_site.label_seq_id 
_atom_site.pdbx_PDB_ins_code 
_atom_site.Cartn_x 
_atom_site.Cartn_y 
_atom_site.Cartn_z 
_atom_site.occupancy 
_atom_site.B_iso_or_equiv 
_atom_site.pdbx_formal_charge 
_atom_site.auth_seq_id 
_atom_site.auth_comp_id 
_atom_site.auth_asym_id 
_atom_site.auth_atom_id 
_atom_site.pdbx_PDB_model_num 
ATOM 1  C CA . THR A 1 7  ? -0.360 0.941   -2.200 1.00 0.00 ? 7  THR A CA 1 
ATOM 2  C C  . THR A 1 7  ? 0.085  -0.223  -1.315 1.00 0.00 ? 7  THR A C  1 
ATOM 3  O O  . THR A 1 7  ? 0.492  -1.284  -1.812 1.00 0.00 ? 7  THR A O  1 
ATOM 4  N N  . ALA A 1 8  ? 0.000  0.000   0.000  1.00 0.00 ? 8  ALA A N  1 
ATOM 5  C CA . ALA A 1 8  ? 0.389  -1.016  0.957  1.00 0.00 ? 8  ALA A CA 1 
ATOM 6  C C  . ALA A 1 8  ? -0.592 -2.186  0.907  1.00 0.00 ? 8  ALA A C  1 
ATOM 7  O O  . ALA A 1 8  ? -0.344 -3.253  1.487  1.00 0.00 ? 8  ALA A O  1 
ATOM 8  H H  . ALA A 1 8  ? -0.339 0.884   0.375  1.00 0.00 ? 8  ALA A H  1 
ATOM 9  N N  . ILE A 1 9  ? -1.707 -1.957  0.203  1.00 0.00 ? 9  ILE A N  1 
ATOM 10 C CA . ILE A 1 9  ? -2.726 -2.977  0.071  1.00 0.00 ? 9  ILE A CA 1 
ATOM 11 C C  . ILE A 1 9  ? -2.500 -3.779  -1.209 1.00 0.00 ? 9  ILE A C  1 
ATOM 12 O O  . ILE A 1 9  ? -2.971 -4.917  -1.341 1.00 0.00 ? 9  ILE A O  1 
ATOM 13 H H  . ILE A 1 9  ? -1.880 -1.066  -0.261 1.00 0.00 ? 9  ILE A H  1 
ATOM 14 N N  . SER A 1 10 ? -1.769 -3.159  -2.142 1.00 0.00 ? 10 SER A N  1 
ATOM 15 C CA . SER A 1 10 ? -1.475 -3.800  -3.407 1.00 0.00 ? 10 SER A CA 1 
ATOM 16 C C  . SER A 1 10 ? -0.471 -4.934  -3.196 1.00 0.00 ? 10 SER A C  1 
ATOM 17 O O  . SER A 1 10 ? -0.521 -5.966  -3.880 1.00 0.00 ? 10 SER A O  1 
ATOM 18 H H  . SER A 1 10 ? -1.396 -2.221  -2.002 1.00 0.00 ? 10 SER A H  1 
ATOM 19 N N  . VAL A 1 11 ? 0.436  -4.717  -2.238 1.00 0.00 ? 11 VAL A N  1 
ATOM 20 C CA . VAL A 1 11 ? 1.449  -5.706  -1.930 1.00 0.00 ? 11 VAL A CA 1 
ATOM 21 C C  . VAL A 1 11 ? 0.792  -6.983  -1.406 1.00 0.00 ? 11 VAL A C  1 
ATOM 22 O O  . VAL A 1 11 ? 1.234  -8.097  -1.708 1.00 0.00 ? 11 VAL A O  1 
ATOM 23 H H  . VAL A 1 11 ? 0.448  -3.855  -1.694 1.00 0.00 ? 11 VAL A H  1 
ATOM 24 N N  . LEU A 1 12 ? -0.268 -6.793  -0.617 1.00 0.00 ? 12 LEU A N  1 
ATOM 25 C CA . LEU A 1 12 ? -0.988 -7.915  -0.048 1.00 0.00 ? 12 LEU A CA 1 
ATOM 26 C C  . LEU A 1 12 ? -1.426 -8.871  -1.157 1.00 0.00 ? 12 LEU A C  1 
ATOM 27 O O  . LEU A 1 12 ? -1.260 -10.040 -1.075 1.00 0.00 ? 12 LEU A O  1 
ATOM 28 H H  . LEU A 1 12 ? -0.065 -5.862  -0.388 1.00 0.00 ? 12 LEU A H  1 
ATOM 29 N N  . LEU A 1 13 ? -1.985 -8.345  -2.190 1.00 0.00 ? 13 LEU A N  1 
ATOM 30 C CA . LEU A 1 13 ? -2.448 -9.137  -3.314 1.00 0.00 ? 13 LEU A CA 1 
ATOM 31 C C  . LEU A 1 13 ? -1.289 -9.948  -3.894 1.00 0.00 ? 13 LEU A C  1 
ATOM 32 O O  . LEU A 1 13 ? -1.480 -11.064 -4.398 1.00 0.00 ? 13 LEU A O  1 
ATOM 33 H H  . LEU A 1 13 ? -2.108 -7.378  -2.227 1.00 0.00 ? 13 LEU A H  1 
ATOM 34 N N  . ALA A 1 14 ? -0.089 -9.359  -3.811 1.00 0.00 ? 14 ALA A N  1 
ATOM 35 C CA . ALA A 1 14 ? 1.099  -10.012 -4.321 1.00 0.00 ? 14 ALA A CA 1 
ATOM 36 C C  . ALA A 1 14 ? 1.590  -11.062 -3.322 1.00 0.00 ? 14 ALA A C  1 
ATOM 37 O O  . ALA A 1 14 ? 2.231  -12.052 -3.699 1.00 0.00 ? 14 ALA A O  1 
ATOM 38 H H  . ALA A 1 14 ? 0.032  -8.439  -3.390 1.00 0.00 ? 14 ALA A H  1 
ATOM 39 N N  . GLN A 1 15 ? 1.272  -10.818 -2.044 1.00 0.00 ? 15 GLN A N  1 
ATOM 40 C CA . GLN A 1 15 ? 1.671  -11.728 -0.988 1.00 0.00 ? 15 GLN A CA 1 
ATOM 41 C C  . GLN A 1 15 ? 0.813  -12.992 -1.034 1.00 0.00 ? 15 GLN A C  1 
ATOM 42 O O  . GLN A 1 15 ? 1.327  -14.114 -1.007 1.00 0.00 ? 15 GLN A O  1 
ATOM 43 H H  . GLN A 1 15 ? 0.741  -9.993  -1.767 1.00 0.00 ? 15 GLN A H  1 
ATOM 44 N N  . ALA A 1 16 ? -0.502 -12.781 -1.104 1.00 0.00 ? 16 ALA A N  1 
ATOM 45 C CA . ALA A 1 16 ? -1.437 -13.889 -1.154 1.00 0.00 ? 16 ALA A CA 1 
ATOM 46 C C  . ALA A 1 16 ? -1.343 -14.591 -2.510 1.00 0.00 ? 16 ALA A C  1 
ATOM 47 O O  . ALA A 1 16 ? -1.864 -15.702 -2.690 1.00 0.00 ? 16 ALA A O  1 
ATOM 48 H H  . ALA A 1 16 ? -0.894 -11.844 -1.125 1.00 0.00 ? 16 ALA A H  1 
ATOM 49 N N  . VAL A 1 17 ? -0.669 -13.918 -3.451 1.00 0.00 ? 17 VAL A N  1 
ATOM 50 C CA . VAL A 1 17 ? -0.501 -14.465 -4.783 1.00 0.00 ? 17 VAL A CA 1 
ATOM 51 C C  . VAL A 1 17 ? 0.619  -15.504 -4.784 1.00 0.00 ? 17 VAL A C  1 
ATOM 52 O O  . VAL A 1 17 ? 0.488  -16.586 -5.376 1.00 0.00 ? 17 VAL A O  1 
ATOM 53 H H  . VAL A 1 17 ? -0.252 -13.006 -3.269 1.00 0.00 ? 17 VAL A H  1 
ATOM 54 N N  . PHE A 1 18 ? 1.720  -15.149 -4.109 1.00 0.00 ? 18 PHE A N  1 
ATOM 55 C CA . PHE A 1 18 ? 2.864  -16.036 -4.026 1.00 0.00 ? 18 PHE A CA 1 
ATOM 56 C C  . PHE A 1 18 ? 2.470  -17.334 -3.319 1.00 0.00 ? 18 PHE A C  1 
ATOM 57 O O  . PHE A 1 18 ? 2.741  -18.434 -3.806 1.00 0.00 ? 18 PHE A O  1 
ATOM 58 H H  . PHE A 1 18 ? 1.796  -14.250 -3.633 1.00 0.00 ? 18 PHE A H  1 
ATOM 59 N N  . LEU A 1 19 ? 1.824  -17.176 -2.164 1.00 0.00 ? 19 LEU A N  1 
ATOM 60 C CA . LEU A 1 19 ? 1.390  -18.320 -1.386 1.00 0.00 ? 19 LEU A CA 1 
ATOM 61 C C  . LEU A 1 19 ? 0.495  -19.222 -2.237 1.00 0.00 ? 19 LEU A C  1 
ATOM 62 O O  . LEU A 1 19 ? 0.551  -20.395 -2.184 1.00 0.00 ? 19 LEU A O  1 
ATOM 63 H H  . LEU A 1 19 ? 1.617  -16.257 -1.791 1.00 0.00 ? 19 LEU A H  1 
ATOM 64 N N  . LEU A 1 20 ? -0.326 -18.647 -3.018 1.00 0.00 ? 20 LEU A N  1 
ATOM 65 C CA . LEU A 1 20 ? -1.231 -19.383 -3.879 1.00 0.00 ? 20 LEU A CA 1 
ATOM 66 C C  . LEU A 1 20 ? -0.446 -20.069 -4.998 1.00 0.00 ? 20 LEU A C  1 
ATOM 67 O O  . LEU A 1 20 ? -0.758 -21.201 -5.396 1.00 0.00 ? 20 LEU A O  1 
ATOM 68 H H  . LEU A 1 20 ? -0.347 -17.678 -3.038 1.00 0.00 ? 20 LEU A H  1 
ATOM 69 N N  . LEU A 1 21 ? 0.575  -19.356 -5.492 1.00 0.00 ? 21 LEU A N  1 
ATOM 70 C CA . LEU A 1 21 ? 1.405  -19.882 -6.557 1.00 0.00 ? 21 LEU A CA 1 
ATOM 71 H H  . LEU A 1 21 ? 0.805  -18.427 -5.142 1.00 0.00 ? 21 LEU A H  1 
#