data_2H95
# 
_entry.id   2H95 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.392 
_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   2H95         pdb_00002h95 10.2210/pdb2h95/pdb 
RCSB  RCSB038085   ?            ?                   
WWPDB D_1000038085 ?            ?                   
# 
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 2007-04-24 
2 'Structure model' 1 1 2008-05-01 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2022-03-09 
5 'Structure model' 1 4 2024-05-29 
# 
_pdbx_audit_revision_details.ordinal             1 
_pdbx_audit_revision_details.revision_ordinal    1 
_pdbx_audit_revision_details.data_content_type   'Structure model' 
_pdbx_audit_revision_details.provider            repository 
_pdbx_audit_revision_details.type                'Initial release' 
_pdbx_audit_revision_details.description         ? 
_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 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_nmr_spectrometer 
3 4 'Structure model' pdbx_struct_assembly  
4 4 'Structure model' pdbx_struct_oper_list 
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' '_pdbx_nmr_spectrometer.model'        
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        2H95 
_pdbx_database_status.recvd_initial_deposition_date   2006-06-08 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    RCSB 
_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_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Hu, J.'      1 
'Asbury, T.'  2 
'Cross, T.A.' 3 
# 
_citation.id                        primary 
_citation.title                     
'Backbone structure of the amantadine-blocked trans-membrane domain m2 proton channel from influenza a virus.' 
_citation.journal_abbrev            Biophys.J. 
_citation.journal_volume            92 
_citation.page_first                4335 
_citation.page_last                 4343 
_citation.year                      2007 
_citation.journal_id_ASTM           BIOJAU 
_citation.country                   US 
_citation.journal_id_ISSN           0006-3495 
_citation.journal_id_CSD            0030 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   17384070 
_citation.pdbx_database_id_DOI      10.1529/biophysj.106.090183 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Hu, J.'       1 ? 
primary 'Asbury, T.'   2 ? 
primary 'Achuthan, S.' 3 ? 
primary 'Li, C.'       4 ? 
primary 'Bertram, R.'  5 ? 
primary 'Quine, J.R.'  6 ? 
primary 'Fu, R.'       7 ? 
primary 'Cross, T.A.'  8 ? 
# 
_entity.id                         1 
_entity.type                       polymer 
_entity.src_method                 syn 
_entity.pdbx_description           'Matrix protein 2' 
_entity.formula_weight             1958.496 
_entity.pdbx_number_of_molecules   4 
_entity.pdbx_ec                    ? 
_entity.pdbx_mutation              ? 
_entity.pdbx_fragment              'TRANSMEMBRANE DOMAIN (RESIDUES 26-43)' 
_entity.details                    ? 
# 
_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       LVVAASIIGILHLILWIL 
_entity_poly.pdbx_seq_one_letter_code_can   LVVAASIIGILHLILWIL 
_entity_poly.pdbx_strand_id                 A,B,C,D 
_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  LEU n 
1 2  VAL n 
1 3  VAL n 
1 4  ALA n 
1 5  ALA n 
1 6  SER n 
1 7  ILE n 
1 8  ILE n 
1 9  GLY n 
1 10 ILE n 
1 11 LEU n 
1 12 HIS n 
1 13 LEU n 
1 14 ILE n 
1 15 LEU n 
1 16 TRP n 
1 17 ILE n 
1 18 LEU n 
# 
_pdbx_entity_src_syn.entity_id              1 
_pdbx_entity_src_syn.pdbx_src_id            1 
_pdbx_entity_src_syn.pdbx_alt_source_flag   sample 
_pdbx_entity_src_syn.pdbx_beg_seq_num       ? 
_pdbx_entity_src_syn.pdbx_end_seq_num       ? 
_pdbx_entity_src_syn.organism_scientific    ? 
_pdbx_entity_src_syn.organism_common_name   ? 
_pdbx_entity_src_syn.ncbi_taxonomy_id       ? 
_pdbx_entity_src_syn.details                
;THE PEPTIDE WAS SYNTHESIZED USING SOLID PHASE PEPTIDE SYNTHESIS. THIS SEQUENCE OCCURS NATURALLY IN THE INFLUENZA A VIRUS (UDORN/72).
;
# 
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  
GLY 'peptide linking'   y GLYCINE    ? 'C2 H5 N O2'     75.067  
HIS 'L-peptide linking' y HISTIDINE  ? 'C6 H10 N3 O2 1' 156.162 
ILE 'L-peptide linking' y ISOLEUCINE ? 'C6 H13 N O2'    131.173 
LEU 'L-peptide linking' y LEUCINE    ? 'C6 H13 N O2'    131.173 
SER 'L-peptide linking' y SERINE     ? 'C3 H7 N O3'     105.093 
TRP 'L-peptide linking' y TRYPTOPHAN ? 'C11 H12 N2 O2'  204.225 
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  LEU 1  26 26 LEU LEU A . n 
A 1 2  VAL 2  27 27 VAL VAL A . n 
A 1 3  VAL 3  28 28 VAL VAL A . n 
A 1 4  ALA 4  29 29 ALA ALA A . n 
A 1 5  ALA 5  30 30 ALA ALA A . n 
A 1 6  SER 6  31 31 SER SER A . n 
A 1 7  ILE 7  32 32 ILE ILE A . n 
A 1 8  ILE 8  33 33 ILE ILE A . n 
A 1 9  GLY 9  34 34 GLY GLY A . n 
A 1 10 ILE 10 35 35 ILE ILE A . n 
A 1 11 LEU 11 36 36 LEU LEU A . n 
A 1 12 HIS 12 37 37 HIS HIS A . n 
A 1 13 LEU 13 38 38 LEU LEU A . n 
A 1 14 ILE 14 39 39 ILE ILE A . n 
A 1 15 LEU 15 40 40 LEU LEU A . n 
A 1 16 TRP 16 41 41 TRP TRP A . n 
A 1 17 ILE 17 42 42 ILE ILE A . n 
A 1 18 LEU 18 43 43 LEU LEU A . n 
B 1 1  LEU 1  26 26 LEU LEU B . n 
B 1 2  VAL 2  27 27 VAL VAL B . n 
B 1 3  VAL 3  28 28 VAL VAL B . n 
B 1 4  ALA 4  29 29 ALA ALA B . n 
B 1 5  ALA 5  30 30 ALA ALA B . n 
B 1 6  SER 6  31 31 SER SER B . n 
B 1 7  ILE 7  32 32 ILE ILE B . n 
B 1 8  ILE 8  33 33 ILE ILE B . n 
B 1 9  GLY 9  34 34 GLY GLY B . n 
B 1 10 ILE 10 35 35 ILE ILE B . n 
B 1 11 LEU 11 36 36 LEU LEU B . n 
B 1 12 HIS 12 37 37 HIS HIS B . n 
B 1 13 LEU 13 38 38 LEU LEU B . n 
B 1 14 ILE 14 39 39 ILE ILE B . n 
B 1 15 LEU 15 40 40 LEU LEU B . n 
B 1 16 TRP 16 41 41 TRP TRP B . n 
B 1 17 ILE 17 42 42 ILE ILE B . n 
B 1 18 LEU 18 43 43 LEU LEU B . n 
C 1 1  LEU 1  26 26 LEU LEU C . n 
C 1 2  VAL 2  27 27 VAL VAL C . n 
C 1 3  VAL 3  28 28 VAL VAL C . n 
C 1 4  ALA 4  29 29 ALA ALA C . n 
C 1 5  ALA 5  30 30 ALA ALA C . n 
C 1 6  SER 6  31 31 SER SER C . n 
C 1 7  ILE 7  32 32 ILE ILE C . n 
C 1 8  ILE 8  33 33 ILE ILE C . n 
C 1 9  GLY 9  34 34 GLY GLY C . n 
C 1 10 ILE 10 35 35 ILE ILE C . n 
C 1 11 LEU 11 36 36 LEU LEU C . n 
C 1 12 HIS 12 37 37 HIS HIS C . n 
C 1 13 LEU 13 38 38 LEU LEU C . n 
C 1 14 ILE 14 39 39 ILE ILE C . n 
C 1 15 LEU 15 40 40 LEU LEU C . n 
C 1 16 TRP 16 41 41 TRP TRP C . n 
C 1 17 ILE 17 42 42 ILE ILE C . n 
C 1 18 LEU 18 43 43 LEU LEU C . n 
D 1 1  LEU 1  26 26 LEU LEU D . n 
D 1 2  VAL 2  27 27 VAL VAL D . n 
D 1 3  VAL 3  28 28 VAL VAL D . n 
D 1 4  ALA 4  29 29 ALA ALA D . n 
D 1 5  ALA 5  30 30 ALA ALA D . n 
D 1 6  SER 6  31 31 SER SER D . n 
D 1 7  ILE 7  32 32 ILE ILE D . n 
D 1 8  ILE 8  33 33 ILE ILE D . n 
D 1 9  GLY 9  34 34 GLY GLY D . n 
D 1 10 ILE 10 35 35 ILE ILE D . n 
D 1 11 LEU 11 36 36 LEU LEU D . n 
D 1 12 HIS 12 37 37 HIS HIS D . n 
D 1 13 LEU 13 38 38 LEU LEU D . n 
D 1 14 ILE 14 39 39 ILE ILE D . n 
D 1 15 LEU 15 40 40 LEU LEU D . n 
D 1 16 TRP 16 41 41 TRP TRP D . n 
D 1 17 ILE 17 42 42 ILE ILE D . n 
D 1 18 LEU 18 43 43 LEU LEU D . n 
# 
_cell.entry_id           2H95 
_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                         2H95 
_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          2H95 
_exptl.method            'SOLID-STATE 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.monochromator                    ? 
_diffrn_radiation.pdbx_monochromatic_or_laue_m_l   M 
_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          2H95 
_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                  2H95 
_struct.title                     
'Structure of the Amantadine-Blocked Influenza A M2 Proton Channel Trans-membrane Domain by Solid-state NMR spectroscopy' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        2H95 
_struct_keywords.pdbx_keywords   'MEMBRANE PROTEIN' 
_struct_keywords.text            'ALPHA HELIX, PROTEIN-LIGAND, MEMBRANE PROTEIN' 
# 
loop_
_struct_asym.id 
_struct_asym.pdbx_blank_PDB_chainid_flag 
_struct_asym.pdbx_modified 
_struct_asym.entity_id 
_struct_asym.details 
A N N 1 ? 
B N N 1 ? 
C N N 1 ? 
D N N 1 ? 
# 
_struct_ref.id                         1 
_struct_ref.db_name                    UNP 
_struct_ref.db_code                    M2_IAUSS 
_struct_ref.pdbx_db_accession          P35938 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_seq_one_letter_code   LVVAASIIGILHLILWIL 
_struct_ref.pdbx_align_begin           26 
_struct_ref.pdbx_db_isoform            ? 
# 
loop_
_struct_ref_seq.align_id 
_struct_ref_seq.ref_id 
_struct_ref_seq.pdbx_PDB_id_code 
_struct_ref_seq.pdbx_strand_id 
_struct_ref_seq.seq_align_beg 
_struct_ref_seq.pdbx_seq_align_beg_ins_code 
_struct_ref_seq.seq_align_end 
_struct_ref_seq.pdbx_seq_align_end_ins_code 
_struct_ref_seq.pdbx_db_accession 
_struct_ref_seq.db_align_beg 
_struct_ref_seq.pdbx_db_align_beg_ins_code 
_struct_ref_seq.db_align_end 
_struct_ref_seq.pdbx_db_align_end_ins_code 
_struct_ref_seq.pdbx_auth_seq_align_beg 
_struct_ref_seq.pdbx_auth_seq_align_end 
1 1 2H95 A 1 ? 18 ? P35938 26 ? 43 ? 26 43 
2 1 2H95 B 1 ? 18 ? P35938 26 ? 43 ? 26 43 
3 1 2H95 C 1 ? 18 ? P35938 26 ? 43 ? 26 43 
4 1 2H95 D 1 ? 18 ? P35938 26 ? 43 ? 26 43 
# 
_pdbx_struct_assembly.id                   1 
_pdbx_struct_assembly.details              author_defined_assembly 
_pdbx_struct_assembly.method_details       ? 
_pdbx_struct_assembly.oligomeric_details   tetrameric 
_pdbx_struct_assembly.oligomeric_count     4 
# 
_pdbx_struct_assembly_gen.assembly_id       1 
_pdbx_struct_assembly_gen.oper_expression   1 
_pdbx_struct_assembly_gen.asym_id_list      A,B,C,D 
# 
_pdbx_struct_oper_list.id                   1 
_pdbx_struct_oper_list.type                 'identity operation' 
_pdbx_struct_oper_list.name                 1_555 
_pdbx_struct_oper_list.symmetry_operation   x,y,z 
_pdbx_struct_oper_list.matrix[1][1]         1.0000000000 
_pdbx_struct_oper_list.matrix[1][2]         0.0000000000 
_pdbx_struct_oper_list.matrix[1][3]         0.0000000000 
_pdbx_struct_oper_list.vector[1]            0.0000000000 
_pdbx_struct_oper_list.matrix[2][1]         0.0000000000 
_pdbx_struct_oper_list.matrix[2][2]         1.0000000000 
_pdbx_struct_oper_list.matrix[2][3]         0.0000000000 
_pdbx_struct_oper_list.vector[2]            0.0000000000 
_pdbx_struct_oper_list.matrix[3][1]         0.0000000000 
_pdbx_struct_oper_list.matrix[3][2]         0.0000000000 
_pdbx_struct_oper_list.matrix[3][3]         1.0000000000 
_pdbx_struct_oper_list.vector[3]            0.0000000000 
# 
_struct_biol.id   1 
# 
loop_
_struct_conf.conf_type_id 
_struct_conf.id 
_struct_conf.pdbx_PDB_helix_id 
_struct_conf.beg_label_comp_id 
_struct_conf.beg_label_asym_id 
_struct_conf.beg_label_seq_id 
_struct_conf.pdbx_beg_PDB_ins_code 
_struct_conf.end_label_comp_id 
_struct_conf.end_label_asym_id 
_struct_conf.end_label_seq_id 
_struct_conf.pdbx_end_PDB_ins_code 
_struct_conf.beg_auth_comp_id 
_struct_conf.beg_auth_asym_id 
_struct_conf.beg_auth_seq_id 
_struct_conf.end_auth_comp_id 
_struct_conf.end_auth_asym_id 
_struct_conf.end_auth_seq_id 
_struct_conf.pdbx_PDB_helix_class 
_struct_conf.details 
_struct_conf.pdbx_PDB_helix_length 
HELX_P HELX_P1 1 LEU A 1 ? LEU A 18 ? LEU A 26 LEU A 43 1 ? 18 
HELX_P HELX_P2 2 LEU B 1 ? LEU B 18 ? LEU B 26 LEU B 43 1 ? 18 
HELX_P HELX_P3 3 LEU C 1 ? LEU C 18 ? LEU C 26 LEU C 43 1 ? 18 
HELX_P HELX_P4 4 LEU D 1 ? LEU D 18 ? LEU D 26 LEU D 43 1 ? 18 
# 
_struct_conf_type.id          HELX_P 
_struct_conf_type.criteria    ? 
_struct_conf_type.reference   ? 
# 
_pdbx_nmr_ensemble.entry_id                                      2H95 
_pdbx_nmr_ensemble.conformers_calculated_total_number            72 
_pdbx_nmr_ensemble.conformers_submitted_total_number             1 
_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             2H95 
_pdbx_nmr_representative.conformer_id         1 
_pdbx_nmr_representative.selection_criteria   'lowest energy' 
# 
_pdbx_nmr_sample_details.solution_id      1 
_pdbx_nmr_sample_details.contents         
;M2-TMD (~120 mg) and DMPC (~75 mg) were first co-dissolved in 10 ml TFE, followed by the removal of the solvent under vacuum. The peptide/lipid mixture was rehydrated and sonicated to make liposomes in a citrate-borate-phosphate (CBP) buffer (pH 8.8) with 1 mM EDTA and 10 mM amantadine at 310 K. The liposomes were pelleted by ultracentrifugation . Then the pellet was spread on glass slides and dehydrated in a 75% humidity chamber. The dehydrated slides were rehydrated with 1.5 microl liter CBP buffer per slide followed by being stacked into a glass tube and incubated at 316 K for 24 hours in 96% relative humidity. Finally, the glass tube was sealed at both ends with epoxy and two glasscaps.
;
_pdbx_nmr_sample_details.solvent_system   'oriented peptide/lipid bilayer of M2_TMD and DMPC' 
# 
_pdbx_nmr_exptl_sample_conditions.conditions_id       1 
_pdbx_nmr_exptl_sample_conditions.temperature         308 
_pdbx_nmr_exptl_sample_conditions.pressure            AMBIENT 
_pdbx_nmr_exptl_sample_conditions.pH                  8.8 
_pdbx_nmr_exptl_sample_conditions.ionic_strength      ? 
_pdbx_nmr_exptl_sample_conditions.pressure_units      . 
_pdbx_nmr_exptl_sample_conditions.temperature_units   K 
# 
_pdbx_nmr_exptl.experiment_id   1 
_pdbx_nmr_exptl.conditions_id   1 
_pdbx_nmr_exptl.type            'solid-State NMR PISEMA' 
_pdbx_nmr_exptl.solution_id     1 
# 
_pdbx_nmr_refine.entry_id           2H95 
_pdbx_nmr_refine.method             'ENERGY MINIMIZATION WITH ORIENTATIONAL CONSTRAINTS' 
_pdbx_nmr_refine.details            
;REFINEMENT WAS CARRIED OUT IN VACUO ON INITIAL MONOMER COORDINATES CONSISTING OF TWO ALPHA-HELICAL FRAGMENTS (3.6 RESIDUES PER TURN) HAVING TILT AND ROTATIONAL ORIENTATIONS WITH RESPECT TO THE BILAYER DERIVED FROM PISEMA DIPOLAR WAVE ANALYSIS.  ENERGY MINIMIZATION USED A GLOBAL PENALTY FUNCTION INCORPORATING ORIENTATIONAL RESTRAINTS, HYDROGEN BONDING AND THE CHARMM EMPIRICAL FUNCTION. THE ORIENTATIONAL RESTRAINTS IMPOSED ON THE STRUCTURE DURING REFINEMENT ARE 16 15N CHEMICAL SHIFTS AND 16 15N-1H DIPOLAR COUPLINGS FROM PISEMA EXPERIMENTS.  A SYMMETRIC, TETRAMERIC BUNDLE MODEL OF M2-TMD WAS CONSTRUCTED BY A SERIES OF RIGID-BODY TRANSFORMATIONS OF THE REFINED M2-TMD MONOMER. THE RESULTING HOMO-TETRAMER IS THE LOWEST FREE ENERGY CONFORMER BASED ON ROTATIONAL CONFORMATIONAL SEARCH.  NOTE THAT THE HIS37 AND TRP41 SIDECHAIN POSITIONS ARE CONSISTENT WITH MEASURED ORIENTATIONAL CONSTRAINTS. THE ROTAMERIC STATES OF OTHER RESIDUES ARE TAKEN FROM A BACKBONE DEPENDENT SIDECHAIN ROTAMER LIBRARY (SCRWL).
;
_pdbx_nmr_refine.software_ordinal   1 
# 
_pdbx_nmr_software.classification   refinement 
_pdbx_nmr_software.name             XPLOR-NIH 
_pdbx_nmr_software.version          2.9.9 
_pdbx_nmr_software.authors          'Schwieters, Kuszewski, Tjandra, Clore' 
_pdbx_nmr_software.ordinal          1 
# 
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  
GLY N    N N N 14  
GLY CA   C N N 15  
GLY C    C N N 16  
GLY O    O N N 17  
GLY OXT  O N N 18  
GLY H    H N N 19  
GLY H2   H N N 20  
GLY HA2  H N N 21  
GLY HA3  H N N 22  
GLY HXT  H N N 23  
HIS N    N N N 24  
HIS CA   C N S 25  
HIS C    C N N 26  
HIS O    O N N 27  
HIS CB   C N N 28  
HIS CG   C Y N 29  
HIS ND1  N Y N 30  
HIS CD2  C Y N 31  
HIS CE1  C Y N 32  
HIS NE2  N Y N 33  
HIS OXT  O N N 34  
HIS H    H N N 35  
HIS H2   H N N 36  
HIS HA   H N N 37  
HIS HB2  H N N 38  
HIS HB3  H N N 39  
HIS HD1  H N N 40  
HIS HD2  H N N 41  
HIS HE1  H N N 42  
HIS HE2  H N N 43  
HIS HXT  H N N 44  
ILE N    N N N 45  
ILE CA   C N S 46  
ILE C    C N N 47  
ILE O    O N N 48  
ILE CB   C N S 49  
ILE CG1  C N N 50  
ILE CG2  C N N 51  
ILE CD1  C N N 52  
ILE OXT  O N N 53  
ILE H    H N N 54  
ILE H2   H N N 55  
ILE HA   H N N 56  
ILE HB   H N N 57  
ILE HG12 H N N 58  
ILE HG13 H N N 59  
ILE HG21 H N N 60  
ILE HG22 H N N 61  
ILE HG23 H N N 62  
ILE HD11 H N N 63  
ILE HD12 H N N 64  
ILE HD13 H N N 65  
ILE HXT  H N N 66  
LEU N    N N N 67  
LEU CA   C N S 68  
LEU C    C N N 69  
LEU O    O N N 70  
LEU CB   C N N 71  
LEU CG   C N N 72  
LEU CD1  C N N 73  
LEU CD2  C N N 74  
LEU OXT  O N N 75  
LEU H    H N N 76  
LEU H2   H N N 77  
LEU HA   H N N 78  
LEU HB2  H N N 79  
LEU HB3  H N N 80  
LEU HG   H N N 81  
LEU HD11 H N N 82  
LEU HD12 H N N 83  
LEU HD13 H N N 84  
LEU HD21 H N N 85  
LEU HD22 H N N 86  
LEU HD23 H N N 87  
LEU HXT  H N N 88  
SER N    N N N 89  
SER CA   C N S 90  
SER C    C N N 91  
SER O    O N N 92  
SER CB   C N N 93  
SER OG   O N N 94  
SER OXT  O N N 95  
SER H    H N N 96  
SER H2   H N N 97  
SER HA   H N N 98  
SER HB2  H N N 99  
SER HB3  H N N 100 
SER HG   H N N 101 
SER HXT  H N N 102 
TRP N    N N N 103 
TRP CA   C N S 104 
TRP C    C N N 105 
TRP O    O N N 106 
TRP CB   C N N 107 
TRP CG   C Y N 108 
TRP CD1  C Y N 109 
TRP CD2  C Y N 110 
TRP NE1  N Y N 111 
TRP CE2  C Y N 112 
TRP CE3  C Y N 113 
TRP CZ2  C Y N 114 
TRP CZ3  C Y N 115 
TRP CH2  C Y N 116 
TRP OXT  O N N 117 
TRP H    H N N 118 
TRP H2   H N N 119 
TRP HA   H N N 120 
TRP HB2  H N N 121 
TRP HB3  H N N 122 
TRP HD1  H N N 123 
TRP HE1  H N N 124 
TRP HE3  H N N 125 
TRP HZ2  H N N 126 
TRP HZ3  H N N 127 
TRP HH2  H N N 128 
TRP HXT  H N N 129 
VAL N    N N N 130 
VAL CA   C N S 131 
VAL C    C N N 132 
VAL O    O N N 133 
VAL CB   C N N 134 
VAL CG1  C N N 135 
VAL CG2  C N N 136 
VAL OXT  O N N 137 
VAL H    H N N 138 
VAL H2   H N N 139 
VAL HA   H N N 140 
VAL HB   H N N 141 
VAL HG11 H N N 142 
VAL HG12 H N N 143 
VAL HG13 H N N 144 
VAL HG21 H N N 145 
VAL HG22 H N N 146 
VAL HG23 H N N 147 
VAL HXT  H N N 148 
# 
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  
GLY N   CA   sing N N 13  
GLY N   H    sing N N 14  
GLY N   H2   sing N N 15  
GLY CA  C    sing N N 16  
GLY CA  HA2  sing N N 17  
GLY CA  HA3  sing N N 18  
GLY C   O    doub N N 19  
GLY C   OXT  sing N N 20  
GLY OXT HXT  sing N N 21  
HIS N   CA   sing N N 22  
HIS N   H    sing N N 23  
HIS N   H2   sing N N 24  
HIS CA  C    sing N N 25  
HIS CA  CB   sing N N 26  
HIS CA  HA   sing N N 27  
HIS C   O    doub N N 28  
HIS C   OXT  sing N N 29  
HIS CB  CG   sing N N 30  
HIS CB  HB2  sing N N 31  
HIS CB  HB3  sing N N 32  
HIS CG  ND1  sing Y N 33  
HIS CG  CD2  doub Y N 34  
HIS ND1 CE1  doub Y N 35  
HIS ND1 HD1  sing N N 36  
HIS CD2 NE2  sing Y N 37  
HIS CD2 HD2  sing N N 38  
HIS CE1 NE2  sing Y N 39  
HIS CE1 HE1  sing N N 40  
HIS NE2 HE2  sing N N 41  
HIS OXT HXT  sing N N 42  
ILE N   CA   sing N N 43  
ILE N   H    sing N N 44  
ILE N   H2   sing N N 45  
ILE CA  C    sing N N 46  
ILE CA  CB   sing N N 47  
ILE CA  HA   sing N N 48  
ILE C   O    doub N N 49  
ILE C   OXT  sing N N 50  
ILE CB  CG1  sing N N 51  
ILE CB  CG2  sing N N 52  
ILE CB  HB   sing N N 53  
ILE CG1 CD1  sing N N 54  
ILE CG1 HG12 sing N N 55  
ILE CG1 HG13 sing N N 56  
ILE CG2 HG21 sing N N 57  
ILE CG2 HG22 sing N N 58  
ILE CG2 HG23 sing N N 59  
ILE CD1 HD11 sing N N 60  
ILE CD1 HD12 sing N N 61  
ILE CD1 HD13 sing N N 62  
ILE OXT HXT  sing N N 63  
LEU N   CA   sing N N 64  
LEU N   H    sing N N 65  
LEU N   H2   sing N N 66  
LEU CA  C    sing N N 67  
LEU CA  CB   sing N N 68  
LEU CA  HA   sing N N 69  
LEU C   O    doub N N 70  
LEU C   OXT  sing N N 71  
LEU CB  CG   sing N N 72  
LEU CB  HB2  sing N N 73  
LEU CB  HB3  sing N N 74  
LEU CG  CD1  sing N N 75  
LEU CG  CD2  sing N N 76  
LEU CG  HG   sing N N 77  
LEU CD1 HD11 sing N N 78  
LEU CD1 HD12 sing N N 79  
LEU CD1 HD13 sing N N 80  
LEU CD2 HD21 sing N N 81  
LEU CD2 HD22 sing N N 82  
LEU CD2 HD23 sing N N 83  
LEU OXT HXT  sing N N 84  
SER N   CA   sing N N 85  
SER N   H    sing N N 86  
SER N   H2   sing N N 87  
SER CA  C    sing N N 88  
SER CA  CB   sing N N 89  
SER CA  HA   sing N N 90  
SER C   O    doub N N 91  
SER C   OXT  sing N N 92  
SER CB  OG   sing N N 93  
SER CB  HB2  sing N N 94  
SER CB  HB3  sing N N 95  
SER OG  HG   sing N N 96  
SER OXT HXT  sing N N 97  
TRP N   CA   sing N N 98  
TRP N   H    sing N N 99  
TRP N   H2   sing N N 100 
TRP CA  C    sing N N 101 
TRP CA  CB   sing N N 102 
TRP CA  HA   sing N N 103 
TRP C   O    doub N N 104 
TRP C   OXT  sing N N 105 
TRP CB  CG   sing N N 106 
TRP CB  HB2  sing N N 107 
TRP CB  HB3  sing N N 108 
TRP CG  CD1  doub Y N 109 
TRP CG  CD2  sing Y N 110 
TRP CD1 NE1  sing Y N 111 
TRP CD1 HD1  sing N N 112 
TRP CD2 CE2  doub Y N 113 
TRP CD2 CE3  sing Y N 114 
TRP NE1 CE2  sing Y N 115 
TRP NE1 HE1  sing N N 116 
TRP CE2 CZ2  sing Y N 117 
TRP CE3 CZ3  doub Y N 118 
TRP CE3 HE3  sing N N 119 
TRP CZ2 CH2  doub Y N 120 
TRP CZ2 HZ2  sing N N 121 
TRP CZ3 CH2  sing Y N 122 
TRP CZ3 HZ3  sing N N 123 
TRP CH2 HH2  sing N N 124 
TRP OXT HXT  sing N N 125 
VAL N   CA   sing N N 126 
VAL N   H    sing N N 127 
VAL N   H2   sing N N 128 
VAL CA  C    sing N N 129 
VAL CA  CB   sing N N 130 
VAL CA  HA   sing N N 131 
VAL C   O    doub N N 132 
VAL C   OXT  sing N N 133 
VAL CB  CG1  sing N N 134 
VAL CB  CG2  sing N N 135 
VAL CB  HB   sing N N 136 
VAL CG1 HG11 sing N N 137 
VAL CG1 HG12 sing N N 138 
VAL CG1 HG13 sing N N 139 
VAL CG2 HG21 sing N N 140 
VAL CG2 HG22 sing N N 141 
VAL CG2 HG23 sing N N 142 
VAL OXT HXT  sing N N 143 
# 
_pdbx_nmr_spectrometer.spectrometer_id   1 
_pdbx_nmr_spectrometer.model             AVANCE 
_pdbx_nmr_spectrometer.manufacturer      Bruker 
_pdbx_nmr_spectrometer.field_strength    400 
_pdbx_nmr_spectrometer.type              ? 
# 
_atom_sites.entry_id                    2H95 
_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_