data_1SZT
# 
_entry.id   1SZT 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.386 
_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   1SZT         pdb_00001szt 10.2210/pdb1szt/pdb 
WWPDB D_1000176572 ?            ?                   
# 
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 1997-12-24 
2 'Structure model' 1 1 2008-03-24 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2024-02-14 
# 
_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' 'Derived calculations'      
3 3 'Structure model' 'Version format compliance' 
4 4 'Structure model' 'Data collection'           
5 4 'Structure model' 'Database references'       
6 4 'Structure model' Other                       
# 
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' chem_comp_atom       
2 4 'Structure model' chem_comp_bond       
3 4 'Structure model' database_2           
4 4 'Structure model' pdbx_database_status 
5 4 'Structure model' struct_ref_seq_dif   
# 
loop_
_pdbx_audit_revision_item.ordinal 
_pdbx_audit_revision_item.revision_ordinal 
_pdbx_audit_revision_item.data_content_type 
_pdbx_audit_revision_item.item 
1 4 'Structure model' '_database_2.pdbx_DOI'                
2 4 'Structure model' '_database_2.pdbx_database_accession' 
3 4 'Structure model' '_pdbx_database_status.process_site'  
4 4 'Structure model' '_struct_ref_seq_dif.details'         
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1SZT 
_pdbx_database_status.recvd_initial_deposition_date   1997-07-28 
_pdbx_database_status.deposit_site                    ? 
_pdbx_database_status.process_site                    BNL 
_pdbx_database_status.status_code_sf                  REL 
_pdbx_database_status.status_code_mr                  ? 
_pdbx_database_status.SG_entry                        ? 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.status_code_nmr_data            ? 
_pdbx_database_status.methods_development_category    ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Tan, K.'     1 
'Lu, M.'      2 
'Wang, J.-H.' 3 
# 
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 'Atomic structure of a thermostable subdomain of HIV-1 gp41.'          Proc.Natl.Acad.Sci.USA  94  12303 12308 1997 PNASA6 
US 0027-8424 0040 ? 9356444 10.1073/pnas.94.23.12303 
1       'Core Structure of Gp41 from the HIV Envelope Glycoprotein'            'Cell(Cambridge,Mass.)' 89  263   ?     1997 CELLB5 
US 0092-8674 0998 ? ?       ?                        
2       'Atomic Structure of the Ectodomain from HIV-1 Gp41'                   Nature                  387 426   ?     1997 NATUAS 
UK 0028-0836 0006 ? ?       ?                        
3       'A Trimeric Structural Domain of the HIV-1 Transmembrane Glycoprotein' Nat.Struct.Biol.        2   1075  ?     1995 NSBIEW 
US 1072-8368 2024 ? ?       ?                        
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Tan, K.'         1  ? 
primary 'Liu, J.'         2  ? 
primary 'Wang, J.'        3  ? 
primary 'Shen, S.'        4  ? 
primary 'Lu, M.'          5  ? 
1       'Chan, D.C.'      6  ? 
1       'Fass, D.'        7  ? 
1       'Berger, J.M.'    8  ? 
1       'Kim, P.S.'       9  ? 
2       'Weissenhorn, W.' 10 ? 
2       'Dessen, A.'      11 ? 
2       'Harrison, S.C.'  12 ? 
2       'Skehel, J.J.'    13 ? 
2       'Wiley, D.C.'     14 ? 
3       'Lu, M.'          15 ? 
3       'Blacklow, S.C.'  16 ? 
3       'Kim, P.S.'       17 ? 
# 
loop_
_entity.id 
_entity.type 
_entity.src_method 
_entity.pdbx_description 
_entity.formula_weight 
_entity.pdbx_number_of_molecules 
_entity.pdbx_ec 
_entity.pdbx_mutation 
_entity.pdbx_fragment 
_entity.details 
1 polymer man 'HIV-1 ENVELOPE GLYCOPROTEIN GP41' 7879.753 1  ? ? 
'RESIDUES 546 - 579 AND 628 - 655 CONNECTED BY A SIX-RESIDUE LINKER (SER-GLY-GLY-ARG-GLY-GLY)' 
'CORE OF TRANSMEMBRANE SUBUNIT (GP41)' 
2 water   nat water                              18.015   42 ? ? ? ?                                      
# 
_entity_name_com.entity_id   1 
_entity_name_com.name        GP41 
# 
_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       SGIVQQQNNLLRAIEAQQHLLQLTVWGIKQLQARSGGRGGWMEWDREINNYTSLIHSLIEESQNQQEK 
_entity_poly.pdbx_seq_one_letter_code_can   SGIVQQQNNLLRAIEAQQHLLQLTVWGIKQLQARSGGRGGWMEWDREINNYTSLIHSLIEESQNQQEK 
_entity_poly.pdbx_strand_id                 A 
_entity_poly.pdbx_target_identifier         ? 
# 
_pdbx_entity_nonpoly.entity_id   2 
_pdbx_entity_nonpoly.name        water 
_pdbx_entity_nonpoly.comp_id     HOH 
# 
loop_
_entity_poly_seq.entity_id 
_entity_poly_seq.num 
_entity_poly_seq.mon_id 
_entity_poly_seq.hetero 
1 1  SER n 
1 2  GLY n 
1 3  ILE n 
1 4  VAL n 
1 5  GLN n 
1 6  GLN n 
1 7  GLN n 
1 8  ASN n 
1 9  ASN n 
1 10 LEU n 
1 11 LEU n 
1 12 ARG n 
1 13 ALA n 
1 14 ILE n 
1 15 GLU n 
1 16 ALA n 
1 17 GLN n 
1 18 GLN n 
1 19 HIS n 
1 20 LEU n 
1 21 LEU n 
1 22 GLN n 
1 23 LEU n 
1 24 THR n 
1 25 VAL n 
1 26 TRP n 
1 27 GLY n 
1 28 ILE n 
1 29 LYS n 
1 30 GLN n 
1 31 LEU n 
1 32 GLN n 
1 33 ALA n 
1 34 ARG n 
1 35 SER n 
1 36 GLY n 
1 37 GLY n 
1 38 ARG n 
1 39 GLY n 
1 40 GLY n 
1 41 TRP n 
1 42 MET n 
1 43 GLU n 
1 44 TRP n 
1 45 ASP n 
1 46 ARG n 
1 47 GLU n 
1 48 ILE n 
1 49 ASN n 
1 50 ASN n 
1 51 TYR n 
1 52 THR n 
1 53 SER n 
1 54 LEU n 
1 55 ILE n 
1 56 HIS n 
1 57 SER n 
1 58 LEU n 
1 59 ILE n 
1 60 GLU n 
1 61 GLU n 
1 62 SER n 
1 63 GLN n 
1 64 ASN n 
1 65 GLN n 
1 66 GLN n 
1 67 GLU n 
1 68 LYS 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               ? 
_entity_src_gen.gene_src_genus                     Lentivirus 
_entity_src_gen.pdbx_gene_src_gene                 GP41 
_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      'Human immunodeficiency virus 1' 
_entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id     11676 
_entity_src_gen.pdbx_gene_src_variant              ? 
_entity_src_gen.pdbx_gene_src_cell_line            BL21 
_entity_src_gen.pdbx_gene_src_atcc                 ? 
_entity_src_gen.pdbx_gene_src_organ                ? 
_entity_src_gen.pdbx_gene_src_organelle            ? 
_entity_src_gen.pdbx_gene_src_cell                 ? 
_entity_src_gen.pdbx_gene_src_cellular_location    ? 
_entity_src_gen.host_org_common_name               ? 
_entity_src_gen.pdbx_host_org_scientific_name      'Escherichia coli' 
_entity_src_gen.pdbx_host_org_ncbi_taxonomy_id     562 
_entity_src_gen.host_org_genus                     Escherichia 
_entity_src_gen.pdbx_host_org_gene                 GP41 
_entity_src_gen.pdbx_host_org_organ                ? 
_entity_src_gen.host_org_species                   ? 
_entity_src_gen.pdbx_host_org_tissue               ? 
_entity_src_gen.pdbx_host_org_tissue_fraction      ? 
_entity_src_gen.pdbx_host_org_strain               'BL21 (DE3) PLYSS' 
_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          T7 
_entity_src_gen.pdbx_host_org_vector               ? 
_entity_src_gen.host_org_details                   ? 
_entity_src_gen.expression_system_id               ? 
_entity_src_gen.plasmid_name                       PN41/C34-L6 
_entity_src_gen.plasmid_details                    ? 
_entity_src_gen.pdbx_description                   'RECOMBINANT GP41 WITH LINKER (SER-GLY-GLY-ARG-GLY-GLY) BETWEEN TWO FRAGMENTS' 
# 
loop_
_chem_comp.id 
_chem_comp.type 
_chem_comp.mon_nstd_flag 
_chem_comp.name 
_chem_comp.pdbx_synonyms 
_chem_comp.formula 
_chem_comp.formula_weight 
ALA 'L-peptide linking' y ALANINE         ? 'C3 H7 N O2'     89.093  
ARG 'L-peptide linking' y ARGININE        ? 'C6 H15 N4 O2 1' 175.209 
ASN 'L-peptide linking' y ASPARAGINE      ? 'C4 H8 N2 O3'    132.118 
ASP 'L-peptide linking' y 'ASPARTIC ACID' ? 'C4 H7 N O4'     133.103 
GLN 'L-peptide linking' y GLUTAMINE       ? 'C5 H10 N2 O3'   146.144 
GLU 'L-peptide linking' y 'GLUTAMIC ACID' ? 'C5 H9 N O4'     147.129 
GLY 'peptide linking'   y GLYCINE         ? 'C2 H5 N O2'     75.067  
HIS 'L-peptide linking' y HISTIDINE       ? 'C6 H10 N3 O2 1' 156.162 
HOH non-polymer         . WATER           ? 'H2 O'           18.015  
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 
SER 'L-peptide linking' y SERINE          ? 'C3 H7 N O3'     105.093 
THR 'L-peptide linking' y THREONINE       ? 'C4 H9 N O3'     119.119 
TRP 'L-peptide linking' y TRYPTOPHAN      ? 'C11 H12 N2 O2'  204.225 
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  SER 1  1  1  SER SER A . n 
A 1 2  GLY 2  2  2  GLY GLY A . n 
A 1 3  ILE 3  3  3  ILE ILE A . n 
A 1 4  VAL 4  4  4  VAL VAL A . n 
A 1 5  GLN 5  5  5  GLN GLN A . n 
A 1 6  GLN 6  6  6  GLN GLN A . n 
A 1 7  GLN 7  7  7  GLN GLN A . n 
A 1 8  ASN 8  8  8  ASN ASN A . n 
A 1 9  ASN 9  9  9  ASN ASN A . n 
A 1 10 LEU 10 10 10 LEU LEU A . n 
A 1 11 LEU 11 11 11 LEU LEU A . n 
A 1 12 ARG 12 12 12 ARG ARG A . n 
A 1 13 ALA 13 13 13 ALA ALA A . n 
A 1 14 ILE 14 14 14 ILE ILE A . n 
A 1 15 GLU 15 15 15 GLU GLU A . n 
A 1 16 ALA 16 16 16 ALA ALA A . n 
A 1 17 GLN 17 17 17 GLN GLN A . n 
A 1 18 GLN 18 18 18 GLN GLN A . n 
A 1 19 HIS 19 19 19 HIS HIS 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 GLN 22 22 22 GLN GLN A . n 
A 1 23 LEU 23 23 23 LEU LEU A . n 
A 1 24 THR 24 24 24 THR THR A . n 
A 1 25 VAL 25 25 25 VAL VAL A . n 
A 1 26 TRP 26 26 26 TRP TRP A . n 
A 1 27 GLY 27 27 27 GLY GLY A . n 
A 1 28 ILE 28 28 28 ILE ILE A . n 
A 1 29 LYS 29 29 29 LYS LYS A . n 
A 1 30 GLN 30 30 30 GLN GLN A . n 
A 1 31 LEU 31 31 31 LEU LEU A . n 
A 1 32 GLN 32 32 32 GLN GLN A . n 
A 1 33 ALA 33 33 33 ALA ALA A . n 
A 1 34 ARG 34 34 34 ARG ARG A . n 
A 1 35 SER 35 35 35 SER SER A . n 
A 1 36 GLY 36 36 36 GLY GLY A . n 
A 1 37 GLY 37 37 37 GLY GLY A . n 
A 1 38 ARG 38 38 38 ARG ARG A . n 
A 1 39 GLY 39 39 39 GLY GLY A . n 
A 1 40 GLY 40 40 40 GLY GLY A . n 
A 1 41 TRP 41 41 41 TRP TRP A . n 
A 1 42 MET 42 42 42 MET MET A . n 
A 1 43 GLU 43 43 43 GLU GLU A . n 
A 1 44 TRP 44 44 44 TRP TRP A . n 
A 1 45 ASP 45 45 45 ASP ASP A . n 
A 1 46 ARG 46 46 46 ARG ARG A . n 
A 1 47 GLU 47 47 47 GLU GLU A . n 
A 1 48 ILE 48 48 48 ILE ILE A . n 
A 1 49 ASN 49 49 49 ASN ASN A . n 
A 1 50 ASN 50 50 50 ASN ASN A . n 
A 1 51 TYR 51 51 51 TYR TYR A . n 
A 1 52 THR 52 52 52 THR THR A . n 
A 1 53 SER 53 53 53 SER SER A . n 
A 1 54 LEU 54 54 54 LEU LEU A . n 
A 1 55 ILE 55 55 55 ILE ILE A . n 
A 1 56 HIS 56 56 56 HIS HIS A . n 
A 1 57 SER 57 57 57 SER SER A . n 
A 1 58 LEU 58 58 58 LEU LEU A . n 
A 1 59 ILE 59 59 59 ILE ILE A . n 
A 1 60 GLU 60 60 60 GLU GLU A . n 
A 1 61 GLU 61 61 61 GLU GLU A . n 
A 1 62 SER 62 62 62 SER SER A . n 
A 1 63 GLN 63 63 63 GLN GLN A . n 
A 1 64 ASN 64 64 64 ASN ASN A . n 
A 1 65 GLN 65 65 65 GLN GLN A . n 
A 1 66 GLN 66 66 66 GLN GLN A . n 
A 1 67 GLU 67 67 67 GLU GLU A . n 
A 1 68 LYS 68 68 68 LYS LYS A . n 
# 
loop_
_pdbx_nonpoly_scheme.asym_id 
_pdbx_nonpoly_scheme.entity_id 
_pdbx_nonpoly_scheme.mon_id 
_pdbx_nonpoly_scheme.ndb_seq_num 
_pdbx_nonpoly_scheme.pdb_seq_num 
_pdbx_nonpoly_scheme.auth_seq_num 
_pdbx_nonpoly_scheme.pdb_mon_id 
_pdbx_nonpoly_scheme.auth_mon_id 
_pdbx_nonpoly_scheme.pdb_strand_id 
_pdbx_nonpoly_scheme.pdb_ins_code 
B 2 HOH 1  101 101 HOH HOH A . 
B 2 HOH 2  102 102 HOH HOH A . 
B 2 HOH 3  103 103 HOH HOH A . 
B 2 HOH 4  104 104 HOH HOH A . 
B 2 HOH 5  105 105 HOH HOH A . 
B 2 HOH 6  106 106 HOH HOH A . 
B 2 HOH 7  107 107 HOH HOH A . 
B 2 HOH 8  108 108 HOH HOH A . 
B 2 HOH 9  109 109 HOH HOH A . 
B 2 HOH 10 110 110 HOH HOH A . 
B 2 HOH 11 111 111 HOH HOH A . 
B 2 HOH 12 112 112 HOH HOH A . 
B 2 HOH 13 113 113 HOH HOH A . 
B 2 HOH 14 114 114 HOH HOH A . 
B 2 HOH 15 115 115 HOH HOH A . 
B 2 HOH 16 116 116 HOH HOH A . 
B 2 HOH 17 117 117 HOH HOH A . 
B 2 HOH 18 118 118 HOH HOH A . 
B 2 HOH 19 119 119 HOH HOH A . 
B 2 HOH 20 120 120 HOH HOH A . 
B 2 HOH 21 121 121 HOH HOH A . 
B 2 HOH 22 122 122 HOH HOH A . 
B 2 HOH 23 123 123 HOH HOH A . 
B 2 HOH 24 124 124 HOH HOH A . 
B 2 HOH 25 125 125 HOH HOH A . 
B 2 HOH 26 126 126 HOH HOH A . 
B 2 HOH 27 127 127 HOH HOH A . 
B 2 HOH 28 128 128 HOH HOH A . 
B 2 HOH 29 129 129 HOH HOH A . 
B 2 HOH 30 130 130 HOH HOH A . 
B 2 HOH 31 131 131 HOH HOH A . 
B 2 HOH 32 132 132 HOH HOH A . 
B 2 HOH 33 133 133 HOH HOH A . 
B 2 HOH 34 134 134 HOH HOH A . 
B 2 HOH 35 135 135 HOH HOH A . 
B 2 HOH 36 136 136 HOH HOH A . 
B 2 HOH 37 137 137 HOH HOH A . 
B 2 HOH 38 138 138 HOH HOH A . 
B 2 HOH 39 139 139 HOH HOH A . 
B 2 HOH 40 140 140 HOH HOH A . 
B 2 HOH 41 141 141 HOH HOH A . 
B 2 HOH 42 142 142 HOH HOH A . 
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
X-PLOR    'model building' . ? 1 
X-PLOR    refinement       . ? 2 
DENZO     'data reduction' . ? 3 
SCALEPACK 'data scaling'   . ? 4 
X-PLOR    phasing          . ? 5 
# 
_cell.entry_id           1SZT 
_cell.length_a           53.070 
_cell.length_b           53.070 
_cell.length_c           60.580 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        120.00 
_cell.Z_PDB              9 
_cell.pdbx_unique_axis   ? 
# 
_symmetry.entry_id                         1SZT 
_symmetry.space_group_name_H-M             'H 3' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     ? 
_symmetry.Int_Tables_number                146 
# 
_exptl.entry_id          1SZT 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   1 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      2.08 
_exptl_crystal.density_percent_sol   40. 
_exptl_crystal.description           ? 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           293 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_detector.diffrn_id              1 
_diffrn_detector.detector               'IMAGE PLATE' 
_diffrn_detector.type                   MARRESEARCH 
_diffrn_detector.pdbx_collection_date   1997-02-26 
_diffrn_detector.details                ? 
# 
_diffrn_radiation.diffrn_id                        1 
_diffrn_radiation.wavelength_id                    1 
_diffrn_radiation.pdbx_monochromatic_or_laue_m_l   M 
_diffrn_radiation.monochromator                    ? 
_diffrn_radiation.pdbx_diffrn_protocol             ? 
_diffrn_radiation.pdbx_scattering_type             x-ray 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   1.5418 
_diffrn_radiation_wavelength.wt           1.0 
# 
_diffrn_source.diffrn_id                   1 
_diffrn_source.source                      ? 
_diffrn_source.type                        ? 
_diffrn_source.pdbx_synchrotron_site       ? 
_diffrn_source.pdbx_synchrotron_beamline   ? 
_diffrn_source.pdbx_wavelength             1.5418 
_diffrn_source.pdbx_wavelength_list        ? 
# 
_reflns.entry_id                     1SZT 
_reflns.observed_criterion_sigma_I   -3.0 
_reflns.observed_criterion_sigma_F   ? 
_reflns.d_resolution_low             15. 
_reflns.d_resolution_high            2.4 
_reflns.number_obs                   2481 
_reflns.number_all                   ? 
_reflns.percent_possible_obs         99.6 
_reflns.pdbx_Rmerge_I_obs            0.0570000 
_reflns.pdbx_Rsym_value              ? 
_reflns.pdbx_netI_over_sigmaI        27.61 
_reflns.B_iso_Wilson_estimate        ? 
_reflns.pdbx_redundancy              8.9 
_reflns.pdbx_ordinal                 1 
_reflns.pdbx_diffrn_id               1 
# 
_reflns_shell.d_res_high             2.40 
_reflns_shell.d_res_low              2.49 
_reflns_shell.percent_possible_all   99.6 
_reflns_shell.Rmerge_I_obs           0.2110000 
_reflns_shell.pdbx_Rsym_value        ? 
_reflns_shell.meanI_over_sigI_obs    8.98 
_reflns_shell.pdbx_redundancy        6.2 
_reflns_shell.pdbx_ordinal           1 
_reflns_shell.pdbx_diffrn_id         1 
# 
_refine.entry_id                                 1SZT 
_refine.ls_number_reflns_obs                     2356 
_refine.ls_number_reflns_all                     ? 
_refine.pdbx_ls_sigma_I                          ? 
_refine.pdbx_ls_sigma_F                          3. 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_refine.ls_d_res_low                             15.0 
_refine.ls_d_res_high                            2.4 
_refine.ls_percent_reflns_obs                    ? 
_refine.ls_R_factor_obs                          0.2080000 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_R_work                       0.2080000 
_refine.ls_R_factor_R_free                       0.2690000 
_refine.ls_R_factor_R_free_error                 ? 
_refine.ls_R_factor_R_free_error_details         ? 
_refine.ls_percent_reflns_R_free                 10. 
_refine.ls_number_reflns_R_free                  ? 
_refine.ls_number_parameters                     ? 
_refine.ls_number_restraints                     ? 
_refine.occupancy_min                            ? 
_refine.occupancy_max                            ? 
_refine.B_iso_mean                               61.06 
_refine.aniso_B[1][1]                            ? 
_refine.aniso_B[2][2]                            ? 
_refine.aniso_B[3][3]                            ? 
_refine.aniso_B[1][2]                            ? 
_refine.aniso_B[1][3]                            ? 
_refine.aniso_B[2][3]                            ? 
_refine.solvent_model_details                    ? 
_refine.solvent_model_param_ksol                 ? 
_refine.solvent_model_param_bsol                 ? 
_refine.pdbx_ls_cross_valid_method               ? 
_refine.details                                  ? 
_refine.pdbx_starting_model                      ? 
_refine.pdbx_method_to_determine_struct          SIRAS 
_refine.pdbx_isotropic_thermal_model             ? 
_refine.pdbx_stereochemistry_target_values       ? 
_refine.pdbx_stereochem_target_val_spec_case     ? 
_refine.pdbx_R_Free_selection_details            ? 
_refine.pdbx_overall_ESU_R                       ? 
_refine.pdbx_overall_ESU_R_Free                  ? 
_refine.overall_SU_ML                            ? 
_refine.overall_SU_B                             ? 
_refine.pdbx_refine_id                           'X-RAY DIFFRACTION' 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_TLS_residual_ADP_flag               ? 
_refine.correlation_coeff_Fo_to_Fc               ? 
_refine.correlation_coeff_Fo_to_Fc_free          ? 
_refine.pdbx_solvent_vdw_probe_radii             ? 
_refine.pdbx_solvent_ion_probe_radii             ? 
_refine.pdbx_solvent_shrinkage_radii             ? 
_refine.pdbx_overall_phase_error                 ? 
_refine.overall_SU_R_Cruickshank_DPI             ? 
_refine.pdbx_overall_SU_R_free_Cruickshank_DPI   ? 
_refine.pdbx_overall_SU_R_Blow_DPI               ? 
_refine.pdbx_overall_SU_R_free_Blow_DPI          ? 
# 
_refine_analyze.entry_id                        1SZT 
_refine_analyze.Luzzati_coordinate_error_obs    0.34 
_refine_analyze.Luzzati_sigma_a_obs             ? 
_refine_analyze.Luzzati_d_res_low_obs           ? 
_refine_analyze.Luzzati_coordinate_error_free   ? 
_refine_analyze.Luzzati_sigma_a_free            ? 
_refine_analyze.Luzzati_d_res_low_free          ? 
_refine_analyze.number_disordered_residues      ? 
_refine_analyze.occupancy_sum_hydrogen          ? 
_refine_analyze.occupancy_sum_non_hydrogen      ? 
_refine_analyze.pdbx_refine_id                  'X-RAY DIFFRACTION' 
# 
_refine_hist.pdbx_refine_id                   'X-RAY DIFFRACTION' 
_refine_hist.cycle_id                         LAST 
_refine_hist.pdbx_number_atoms_protein        555 
_refine_hist.pdbx_number_atoms_nucleic_acid   0 
_refine_hist.pdbx_number_atoms_ligand         0 
_refine_hist.number_atoms_solvent             42 
_refine_hist.number_atoms_total               597 
_refine_hist.d_res_high                       2.4 
_refine_hist.d_res_low                        15.0 
# 
loop_
_refine_ls_restr.type 
_refine_ls_restr.dev_ideal 
_refine_ls_restr.dev_ideal_target 
_refine_ls_restr.weight 
_refine_ls_restr.number 
_refine_ls_restr.pdbx_refine_id 
_refine_ls_restr.pdbx_restraint_function 
x_bond_d                0.010 ? ? ? 'X-RAY DIFFRACTION' ? 
x_bond_d_na             ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_bond_d_prot           ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_d               ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_d_na            ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_d_prot          ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_deg             0.999 ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_deg_na          ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_deg_prot        ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_dihedral_angle_d      ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_dihedral_angle_d_na   ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_dihedral_angle_d_prot ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_improper_angle_d      ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_improper_angle_d_na   ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_improper_angle_d_prot ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_mcbond_it             1.5   ? ? ? 'X-RAY DIFFRACTION' ? 
x_mcangle_it            2.0   ? ? ? 'X-RAY DIFFRACTION' ? 
x_scbond_it             2.0   ? ? ? 'X-RAY DIFFRACTION' ? 
x_scangle_it            2.5   ? ? ? 'X-RAY DIFFRACTION' ? 
# 
_database_PDB_matrix.entry_id          1SZT 
_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                  1SZT 
_struct.title                     'ATOMIC STRUCTURE OF A THERMOSTABLE SUBDOMAIN OF HIV-1 GP41' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1SZT 
_struct_keywords.pdbx_keywords   'VIRAL PROTEIN' 
_struct_keywords.text            'COAT PROTEIN, HIV-1 ENVELOPE GLYCOPROTEIN, Viral 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 2 ? 
# 
_struct_ref.id                         1 
_struct_ref.db_name                    UNP 
_struct_ref.db_code                    ENV_HV1B8 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_align_begin           ? 
_struct_ref.pdbx_db_accession          P04582 
_struct_ref.pdbx_db_isoform            ? 
# 
_struct_ref_seq.align_id                      1 
_struct_ref_seq.ref_id                        1 
_struct_ref_seq.pdbx_PDB_id_code              1SZT 
_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                 34 
_struct_ref_seq.pdbx_seq_align_end_ins_code   ? 
_struct_ref_seq.pdbx_db_accession             P04582 
_struct_ref_seq.db_align_beg                  541 
_struct_ref_seq.pdbx_db_align_beg_ins_code    ? 
_struct_ref_seq.db_align_end                  574 
_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       34 
# 
_struct_ref_seq_dif.align_id                     1 
_struct_ref_seq_dif.pdbx_pdb_id_code             1SZT 
_struct_ref_seq_dif.mon_id                       ALA 
_struct_ref_seq_dif.pdbx_pdb_strand_id           A 
_struct_ref_seq_dif.seq_num                      16 
_struct_ref_seq_dif.pdbx_pdb_ins_code            ? 
_struct_ref_seq_dif.pdbx_seq_db_name             UNP 
_struct_ref_seq_dif.pdbx_seq_db_accession_code   P04582 
_struct_ref_seq_dif.db_mon_id                    GLY 
_struct_ref_seq_dif.pdbx_seq_db_seq_num          556 
_struct_ref_seq_dif.details                      conflict 
_struct_ref_seq_dif.pdbx_auth_seq_num            16 
_struct_ref_seq_dif.pdbx_ordinal                 1 
# 
_pdbx_struct_assembly.id                   1 
_pdbx_struct_assembly.details              author_and_software_defined_assembly 
_pdbx_struct_assembly.method_details       PISA,PQS 
_pdbx_struct_assembly.oligomeric_details   trimeric 
_pdbx_struct_assembly.oligomeric_count     3 
# 
loop_
_pdbx_struct_assembly_prop.biol_id 
_pdbx_struct_assembly_prop.type 
_pdbx_struct_assembly_prop.value 
_pdbx_struct_assembly_prop.details 
1 'ABSA (A^2)' 6660  ? 
1 MORE         -54   ? 
1 'SSA (A^2)'  10860 ? 
# 
_pdbx_struct_assembly_gen.assembly_id       1 
_pdbx_struct_assembly_gen.oper_expression   1,2,3 
_pdbx_struct_assembly_gen.asym_id_list      A,B 
# 
loop_
_pdbx_struct_oper_list.id 
_pdbx_struct_oper_list.type 
_pdbx_struct_oper_list.name 
_pdbx_struct_oper_list.symmetry_operation 
_pdbx_struct_oper_list.matrix[1][1] 
_pdbx_struct_oper_list.matrix[1][2] 
_pdbx_struct_oper_list.matrix[1][3] 
_pdbx_struct_oper_list.vector[1] 
_pdbx_struct_oper_list.matrix[2][1] 
_pdbx_struct_oper_list.matrix[2][2] 
_pdbx_struct_oper_list.matrix[2][3] 
_pdbx_struct_oper_list.vector[2] 
_pdbx_struct_oper_list.matrix[3][1] 
_pdbx_struct_oper_list.matrix[3][2] 
_pdbx_struct_oper_list.matrix[3][3] 
_pdbx_struct_oper_list.vector[3] 
1 'identity operation'         1_555 x,y,z         1.0000000000  0.0000000000  0.0000000000 0.0000000000  0.0000000000  
1.0000000000  0.0000000000 0.0000000000  0.0000000000 0.0000000000 1.0000000000 0.0000000000 
2 'crystal symmetry operation' 2_655 -y+1,x-y,z    -0.5000000000 -0.8660254038 0.0000000000 53.0700000000 0.8660254038  
-0.5000000000 0.0000000000 0.0000000000  0.0000000000 0.0000000000 1.0000000000 0.0000000000 
3 'crystal symmetry operation' 3_665 -x+y+1,-x+1,z -0.5000000000 0.8660254038  0.0000000000 26.5350000000 -0.8660254038 
-0.5000000000 0.0000000000 45.9599681788 0.0000000000 0.0000000000 1.0000000000 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 SER A 1  ? ARG A 34 ? SER A 1  ARG A 34 1 ? 34 
HELX_P HELX_P2 2 TRP A 41 ? LYS A 68 ? TRP A 41 LYS A 68 1 ? 28 
# 
_struct_conf_type.id          HELX_P 
_struct_conf_type.criteria    ? 
_struct_conf_type.reference   ? 
# 
_pdbx_validate_rmsd_bond.id                        1 
_pdbx_validate_rmsd_bond.PDB_model_num             1 
_pdbx_validate_rmsd_bond.auth_atom_id_1            CD 
_pdbx_validate_rmsd_bond.auth_asym_id_1            A 
_pdbx_validate_rmsd_bond.auth_comp_id_1            GLU 
_pdbx_validate_rmsd_bond.auth_seq_id_1             43 
_pdbx_validate_rmsd_bond.PDB_ins_code_1            ? 
_pdbx_validate_rmsd_bond.label_alt_id_1            ? 
_pdbx_validate_rmsd_bond.auth_atom_id_2            OE2 
_pdbx_validate_rmsd_bond.auth_asym_id_2            A 
_pdbx_validate_rmsd_bond.auth_comp_id_2            GLU 
_pdbx_validate_rmsd_bond.auth_seq_id_2             43 
_pdbx_validate_rmsd_bond.PDB_ins_code_2            ? 
_pdbx_validate_rmsd_bond.label_alt_id_2            ? 
_pdbx_validate_rmsd_bond.bond_value                1.326 
_pdbx_validate_rmsd_bond.bond_target_value         1.252 
_pdbx_validate_rmsd_bond.bond_deviation            0.074 
_pdbx_validate_rmsd_bond.bond_standard_deviation   0.011 
_pdbx_validate_rmsd_bond.linker_flag               N 
# 
_pdbx_validate_torsion.id              1 
_pdbx_validate_torsion.PDB_model_num   1 
_pdbx_validate_torsion.auth_comp_id    TRP 
_pdbx_validate_torsion.auth_asym_id    A 
_pdbx_validate_torsion.auth_seq_id     41 
_pdbx_validate_torsion.PDB_ins_code    ? 
_pdbx_validate_torsion.label_alt_id    ? 
_pdbx_validate_torsion.phi             -164.38 
_pdbx_validate_torsion.psi             -8.81 
# 
_pdbx_entry_details.entry_id                 1SZT 
_pdbx_entry_details.compound_details         
;IN THE STRUCTURE, SEQUENCE 1 - 34 IS FROM GP41 RESIDUES
546 - 579 (IN GP160 NUMBERING SYSTEM), 31 - 40 IS AN
ARTIFICIAL LINKER SGGRGG AND 41 - 68 IS GP41 RESIDUES
628 - 655.
;
_pdbx_entry_details.source_details           ? 
_pdbx_entry_details.nonpolymer_details       ? 
_pdbx_entry_details.sequence_details         ? 
_pdbx_entry_details.has_ligand_of_interest   ? 
# 
loop_
_chem_comp_atom.comp_id 
_chem_comp_atom.atom_id 
_chem_comp_atom.type_symbol 
_chem_comp_atom.pdbx_aromatic_flag 
_chem_comp_atom.pdbx_stereo_config 
_chem_comp_atom.pdbx_ordinal 
ALA N    N N N 1   
ALA CA   C N S 2   
ALA C    C N N 3   
ALA O    O N N 4   
ALA CB   C N N 5   
ALA OXT  O N N 6   
ALA H    H N N 7   
ALA H2   H N N 8   
ALA HA   H N N 9   
ALA HB1  H N N 10  
ALA HB2  H N N 11  
ALA HB3  H N N 12  
ALA HXT  H N N 13  
ARG N    N N N 14  
ARG CA   C N S 15  
ARG C    C N N 16  
ARG O    O N N 17  
ARG CB   C N N 18  
ARG CG   C N N 19  
ARG CD   C N N 20  
ARG NE   N N N 21  
ARG CZ   C N N 22  
ARG NH1  N N N 23  
ARG NH2  N N N 24  
ARG OXT  O N N 25  
ARG H    H N N 26  
ARG H2   H N N 27  
ARG HA   H N N 28  
ARG HB2  H N N 29  
ARG HB3  H N N 30  
ARG HG2  H N N 31  
ARG HG3  H N N 32  
ARG HD2  H N N 33  
ARG HD3  H N N 34  
ARG HE   H N N 35  
ARG HH11 H N N 36  
ARG HH12 H N N 37  
ARG HH21 H N N 38  
ARG HH22 H N N 39  
ARG HXT  H N N 40  
ASN N    N N N 41  
ASN CA   C N S 42  
ASN C    C N N 43  
ASN O    O N N 44  
ASN CB   C N N 45  
ASN CG   C N N 46  
ASN OD1  O N N 47  
ASN ND2  N N N 48  
ASN OXT  O N N 49  
ASN H    H N N 50  
ASN H2   H N N 51  
ASN HA   H N N 52  
ASN HB2  H N N 53  
ASN HB3  H N N 54  
ASN HD21 H N N 55  
ASN HD22 H N N 56  
ASN HXT  H N N 57  
ASP N    N N N 58  
ASP CA   C N S 59  
ASP C    C N N 60  
ASP O    O N N 61  
ASP CB   C N N 62  
ASP CG   C N N 63  
ASP OD1  O N N 64  
ASP OD2  O N N 65  
ASP OXT  O N N 66  
ASP H    H N N 67  
ASP H2   H N N 68  
ASP HA   H N N 69  
ASP HB2  H N N 70  
ASP HB3  H N N 71  
ASP HD2  H N N 72  
ASP HXT  H N N 73  
GLN N    N N N 74  
GLN CA   C N S 75  
GLN C    C N N 76  
GLN O    O N N 77  
GLN CB   C N N 78  
GLN CG   C N N 79  
GLN CD   C N N 80  
GLN OE1  O N N 81  
GLN NE2  N N N 82  
GLN OXT  O N N 83  
GLN H    H N N 84  
GLN H2   H N N 85  
GLN HA   H N N 86  
GLN HB2  H N N 87  
GLN HB3  H N N 88  
GLN HG2  H N N 89  
GLN HG3  H N N 90  
GLN HE21 H N N 91  
GLN HE22 H N N 92  
GLN HXT  H N N 93  
GLU N    N N N 94  
GLU CA   C N S 95  
GLU C    C N N 96  
GLU O    O N N 97  
GLU CB   C N N 98  
GLU CG   C N N 99  
GLU CD   C N N 100 
GLU OE1  O N N 101 
GLU OE2  O N N 102 
GLU OXT  O N N 103 
GLU H    H N N 104 
GLU H2   H N N 105 
GLU HA   H N N 106 
GLU HB2  H N N 107 
GLU HB3  H N N 108 
GLU HG2  H N N 109 
GLU HG3  H N N 110 
GLU HE2  H N N 111 
GLU HXT  H N N 112 
GLY N    N N N 113 
GLY CA   C N N 114 
GLY C    C N N 115 
GLY O    O N N 116 
GLY OXT  O N N 117 
GLY H    H N N 118 
GLY H2   H N N 119 
GLY HA2  H N N 120 
GLY HA3  H N N 121 
GLY HXT  H N N 122 
HIS N    N N N 123 
HIS CA   C N S 124 
HIS C    C N N 125 
HIS O    O N N 126 
HIS CB   C N N 127 
HIS CG   C Y N 128 
HIS ND1  N Y N 129 
HIS CD2  C Y N 130 
HIS CE1  C Y N 131 
HIS NE2  N Y N 132 
HIS OXT  O N N 133 
HIS H    H N N 134 
HIS H2   H N N 135 
HIS HA   H N N 136 
HIS HB2  H N N 137 
HIS HB3  H N N 138 
HIS HD1  H N N 139 
HIS HD2  H N N 140 
HIS HE1  H N N 141 
HIS HE2  H N N 142 
HIS HXT  H N N 143 
HOH O    O N N 144 
HOH H1   H N N 145 
HOH H2   H N N 146 
ILE N    N N N 147 
ILE CA   C N S 148 
ILE C    C N N 149 
ILE O    O N N 150 
ILE CB   C N S 151 
ILE CG1  C N N 152 
ILE CG2  C N N 153 
ILE CD1  C N N 154 
ILE OXT  O N N 155 
ILE H    H N N 156 
ILE H2   H N N 157 
ILE HA   H N N 158 
ILE HB   H N N 159 
ILE HG12 H N N 160 
ILE HG13 H N N 161 
ILE HG21 H N N 162 
ILE HG22 H N N 163 
ILE HG23 H N N 164 
ILE HD11 H N N 165 
ILE HD12 H N N 166 
ILE HD13 H N N 167 
ILE HXT  H N N 168 
LEU N    N N N 169 
LEU CA   C N S 170 
LEU C    C N N 171 
LEU O    O N N 172 
LEU CB   C N N 173 
LEU CG   C N N 174 
LEU CD1  C N N 175 
LEU CD2  C N N 176 
LEU OXT  O N N 177 
LEU H    H N N 178 
LEU H2   H N N 179 
LEU HA   H N N 180 
LEU HB2  H N N 181 
LEU HB3  H N N 182 
LEU HG   H N N 183 
LEU HD11 H N N 184 
LEU HD12 H N N 185 
LEU HD13 H N N 186 
LEU HD21 H N N 187 
LEU HD22 H N N 188 
LEU HD23 H N N 189 
LEU HXT  H N N 190 
LYS N    N N N 191 
LYS CA   C N S 192 
LYS C    C N N 193 
LYS O    O N N 194 
LYS CB   C N N 195 
LYS CG   C N N 196 
LYS CD   C N N 197 
LYS CE   C N N 198 
LYS NZ   N N N 199 
LYS OXT  O N N 200 
LYS H    H N N 201 
LYS H2   H N N 202 
LYS HA   H N N 203 
LYS HB2  H N N 204 
LYS HB3  H N N 205 
LYS HG2  H N N 206 
LYS HG3  H N N 207 
LYS HD2  H N N 208 
LYS HD3  H N N 209 
LYS HE2  H N N 210 
LYS HE3  H N N 211 
LYS HZ1  H N N 212 
LYS HZ2  H N N 213 
LYS HZ3  H N N 214 
LYS HXT  H N N 215 
MET N    N N N 216 
MET CA   C N S 217 
MET C    C N N 218 
MET O    O N N 219 
MET CB   C N N 220 
MET CG   C N N 221 
MET SD   S N N 222 
MET CE   C N N 223 
MET OXT  O N N 224 
MET H    H N N 225 
MET H2   H N N 226 
MET HA   H N N 227 
MET HB2  H N N 228 
MET HB3  H N N 229 
MET HG2  H N N 230 
MET HG3  H N N 231 
MET HE1  H N N 232 
MET HE2  H N N 233 
MET HE3  H N N 234 
MET HXT  H N N 235 
SER N    N N N 236 
SER CA   C N S 237 
SER C    C N N 238 
SER O    O N N 239 
SER CB   C N N 240 
SER OG   O N N 241 
SER OXT  O N N 242 
SER H    H N N 243 
SER H2   H N N 244 
SER HA   H N N 245 
SER HB2  H N N 246 
SER HB3  H N N 247 
SER HG   H N N 248 
SER HXT  H N N 249 
THR N    N N N 250 
THR CA   C N S 251 
THR C    C N N 252 
THR O    O N N 253 
THR CB   C N R 254 
THR OG1  O N N 255 
THR CG2  C N N 256 
THR OXT  O N N 257 
THR H    H N N 258 
THR H2   H N N 259 
THR HA   H N N 260 
THR HB   H N N 261 
THR HG1  H N N 262 
THR HG21 H N N 263 
THR HG22 H N N 264 
THR HG23 H N N 265 
THR HXT  H N N 266 
TRP N    N N N 267 
TRP CA   C N S 268 
TRP C    C N N 269 
TRP O    O N N 270 
TRP CB   C N N 271 
TRP CG   C Y N 272 
TRP CD1  C Y N 273 
TRP CD2  C Y N 274 
TRP NE1  N Y N 275 
TRP CE2  C Y N 276 
TRP CE3  C Y N 277 
TRP CZ2  C Y N 278 
TRP CZ3  C Y N 279 
TRP CH2  C Y N 280 
TRP OXT  O N N 281 
TRP H    H N N 282 
TRP H2   H N N 283 
TRP HA   H N N 284 
TRP HB2  H N N 285 
TRP HB3  H N N 286 
TRP HD1  H N N 287 
TRP HE1  H N N 288 
TRP HE3  H N N 289 
TRP HZ2  H N N 290 
TRP HZ3  H N N 291 
TRP HH2  H N N 292 
TRP HXT  H N N 293 
TYR N    N N N 294 
TYR CA   C N S 295 
TYR C    C N N 296 
TYR O    O N N 297 
TYR CB   C N N 298 
TYR CG   C Y N 299 
TYR CD1  C Y N 300 
TYR CD2  C Y N 301 
TYR CE1  C Y N 302 
TYR CE2  C Y N 303 
TYR CZ   C Y N 304 
TYR OH   O N N 305 
TYR OXT  O N N 306 
TYR H    H N N 307 
TYR H2   H N N 308 
TYR HA   H N N 309 
TYR HB2  H N N 310 
TYR HB3  H N N 311 
TYR HD1  H N N 312 
TYR HD2  H N N 313 
TYR HE1  H N N 314 
TYR HE2  H N N 315 
TYR HH   H N N 316 
TYR HXT  H N N 317 
VAL N    N N N 318 
VAL CA   C N S 319 
VAL C    C N N 320 
VAL O    O N N 321 
VAL CB   C N N 322 
VAL CG1  C N N 323 
VAL CG2  C N N 324 
VAL OXT  O N N 325 
VAL H    H N N 326 
VAL H2   H N N 327 
VAL HA   H N N 328 
VAL HB   H N N 329 
VAL HG11 H N N 330 
VAL HG12 H N N 331 
VAL HG13 H N N 332 
VAL HG21 H N N 333 
VAL HG22 H N N 334 
VAL HG23 H N N 335 
VAL HXT  H N N 336 
# 
loop_
_chem_comp_bond.comp_id 
_chem_comp_bond.atom_id_1 
_chem_comp_bond.atom_id_2 
_chem_comp_bond.value_order 
_chem_comp_bond.pdbx_aromatic_flag 
_chem_comp_bond.pdbx_stereo_config 
_chem_comp_bond.pdbx_ordinal 
ALA N   CA   sing N N 1   
ALA N   H    sing N N 2   
ALA N   H2   sing N N 3   
ALA CA  C    sing N N 4   
ALA CA  CB   sing N N 5   
ALA CA  HA   sing N N 6   
ALA C   O    doub N N 7   
ALA C   OXT  sing N N 8   
ALA CB  HB1  sing N N 9   
ALA CB  HB2  sing N N 10  
ALA CB  HB3  sing N N 11  
ALA OXT HXT  sing N N 12  
ARG N   CA   sing N N 13  
ARG N   H    sing N N 14  
ARG N   H2   sing N N 15  
ARG CA  C    sing N N 16  
ARG CA  CB   sing N N 17  
ARG CA  HA   sing N N 18  
ARG C   O    doub N N 19  
ARG C   OXT  sing N N 20  
ARG CB  CG   sing N N 21  
ARG CB  HB2  sing N N 22  
ARG CB  HB3  sing N N 23  
ARG CG  CD   sing N N 24  
ARG CG  HG2  sing N N 25  
ARG CG  HG3  sing N N 26  
ARG CD  NE   sing N N 27  
ARG CD  HD2  sing N N 28  
ARG CD  HD3  sing N N 29  
ARG NE  CZ   sing N N 30  
ARG NE  HE   sing N N 31  
ARG CZ  NH1  sing N N 32  
ARG CZ  NH2  doub N N 33  
ARG NH1 HH11 sing N N 34  
ARG NH1 HH12 sing N N 35  
ARG NH2 HH21 sing N N 36  
ARG NH2 HH22 sing N N 37  
ARG OXT HXT  sing N N 38  
ASN N   CA   sing N N 39  
ASN N   H    sing N N 40  
ASN N   H2   sing N N 41  
ASN CA  C    sing N N 42  
ASN CA  CB   sing N N 43  
ASN CA  HA   sing N N 44  
ASN C   O    doub N N 45  
ASN C   OXT  sing N N 46  
ASN CB  CG   sing N N 47  
ASN CB  HB2  sing N N 48  
ASN CB  HB3  sing N N 49  
ASN CG  OD1  doub N N 50  
ASN CG  ND2  sing N N 51  
ASN ND2 HD21 sing N N 52  
ASN ND2 HD22 sing N N 53  
ASN OXT HXT  sing N N 54  
ASP N   CA   sing N N 55  
ASP N   H    sing N N 56  
ASP N   H2   sing N N 57  
ASP CA  C    sing N N 58  
ASP CA  CB   sing N N 59  
ASP CA  HA   sing N N 60  
ASP C   O    doub N N 61  
ASP C   OXT  sing N N 62  
ASP CB  CG   sing N N 63  
ASP CB  HB2  sing N N 64  
ASP CB  HB3  sing N N 65  
ASP CG  OD1  doub N N 66  
ASP CG  OD2  sing N N 67  
ASP OD2 HD2  sing N N 68  
ASP OXT HXT  sing N N 69  
GLN N   CA   sing N N 70  
GLN N   H    sing N N 71  
GLN N   H2   sing N N 72  
GLN CA  C    sing N N 73  
GLN CA  CB   sing N N 74  
GLN CA  HA   sing N N 75  
GLN C   O    doub N N 76  
GLN C   OXT  sing N N 77  
GLN CB  CG   sing N N 78  
GLN CB  HB2  sing N N 79  
GLN CB  HB3  sing N N 80  
GLN CG  CD   sing N N 81  
GLN CG  HG2  sing N N 82  
GLN CG  HG3  sing N N 83  
GLN CD  OE1  doub N N 84  
GLN CD  NE2  sing N N 85  
GLN NE2 HE21 sing N N 86  
GLN NE2 HE22 sing N N 87  
GLN OXT HXT  sing N N 88  
GLU N   CA   sing N N 89  
GLU N   H    sing N N 90  
GLU N   H2   sing N N 91  
GLU CA  C    sing N N 92  
GLU CA  CB   sing N N 93  
GLU CA  HA   sing N N 94  
GLU C   O    doub N N 95  
GLU C   OXT  sing N N 96  
GLU CB  CG   sing N N 97  
GLU CB  HB2  sing N N 98  
GLU CB  HB3  sing N N 99  
GLU CG  CD   sing N N 100 
GLU CG  HG2  sing N N 101 
GLU CG  HG3  sing N N 102 
GLU CD  OE1  doub N N 103 
GLU CD  OE2  sing N N 104 
GLU OE2 HE2  sing N N 105 
GLU OXT HXT  sing N N 106 
GLY N   CA   sing N N 107 
GLY N   H    sing N N 108 
GLY N   H2   sing N N 109 
GLY CA  C    sing N N 110 
GLY CA  HA2  sing N N 111 
GLY CA  HA3  sing N N 112 
GLY C   O    doub N N 113 
GLY C   OXT  sing N N 114 
GLY OXT HXT  sing N N 115 
HIS N   CA   sing N N 116 
HIS N   H    sing N N 117 
HIS N   H2   sing N N 118 
HIS CA  C    sing N N 119 
HIS CA  CB   sing N N 120 
HIS CA  HA   sing N N 121 
HIS C   O    doub N N 122 
HIS C   OXT  sing N N 123 
HIS CB  CG   sing N N 124 
HIS CB  HB2  sing N N 125 
HIS CB  HB3  sing N N 126 
HIS CG  ND1  sing Y N 127 
HIS CG  CD2  doub Y N 128 
HIS ND1 CE1  doub Y N 129 
HIS ND1 HD1  sing N N 130 
HIS CD2 NE2  sing Y N 131 
HIS CD2 HD2  sing N N 132 
HIS CE1 NE2  sing Y N 133 
HIS CE1 HE1  sing N N 134 
HIS NE2 HE2  sing N N 135 
HIS OXT HXT  sing N N 136 
HOH O   H1   sing N N 137 
HOH O   H2   sing N N 138 
ILE N   CA   sing N N 139 
ILE N   H    sing N N 140 
ILE N   H2   sing N N 141 
ILE CA  C    sing N N 142 
ILE CA  CB   sing N N 143 
ILE CA  HA   sing N N 144 
ILE C   O    doub N N 145 
ILE C   OXT  sing N N 146 
ILE CB  CG1  sing N N 147 
ILE CB  CG2  sing N N 148 
ILE CB  HB   sing N N 149 
ILE CG1 CD1  sing N N 150 
ILE CG1 HG12 sing N N 151 
ILE CG1 HG13 sing N N 152 
ILE CG2 HG21 sing N N 153 
ILE CG2 HG22 sing N N 154 
ILE CG2 HG23 sing N N 155 
ILE CD1 HD11 sing N N 156 
ILE CD1 HD12 sing N N 157 
ILE CD1 HD13 sing N N 158 
ILE OXT HXT  sing N N 159 
LEU N   CA   sing N N 160 
LEU N   H    sing N N 161 
LEU N   H2   sing N N 162 
LEU CA  C    sing N N 163 
LEU CA  CB   sing N N 164 
LEU CA  HA   sing N N 165 
LEU C   O    doub N N 166 
LEU C   OXT  sing N N 167 
LEU CB  CG   sing N N 168 
LEU CB  HB2  sing N N 169 
LEU CB  HB3  sing N N 170 
LEU CG  CD1  sing N N 171 
LEU CG  CD2  sing N N 172 
LEU CG  HG   sing N N 173 
LEU CD1 HD11 sing N N 174 
LEU CD1 HD12 sing N N 175 
LEU CD1 HD13 sing N N 176 
LEU CD2 HD21 sing N N 177 
LEU CD2 HD22 sing N N 178 
LEU CD2 HD23 sing N N 179 
LEU OXT HXT  sing N N 180 
LYS N   CA   sing N N 181 
LYS N   H    sing N N 182 
LYS N   H2   sing N N 183 
LYS CA  C    sing N N 184 
LYS CA  CB   sing N N 185 
LYS CA  HA   sing N N 186 
LYS C   O    doub N N 187 
LYS C   OXT  sing N N 188 
LYS CB  CG   sing N N 189 
LYS CB  HB2  sing N N 190 
LYS CB  HB3  sing N N 191 
LYS CG  CD   sing N N 192 
LYS CG  HG2  sing N N 193 
LYS CG  HG3  sing N N 194 
LYS CD  CE   sing N N 195 
LYS CD  HD2  sing N N 196 
LYS CD  HD3  sing N N 197 
LYS CE  NZ   sing N N 198 
LYS CE  HE2  sing N N 199 
LYS CE  HE3  sing N N 200 
LYS NZ  HZ1  sing N N 201 
LYS NZ  HZ2  sing N N 202 
LYS NZ  HZ3  sing N N 203 
LYS OXT HXT  sing N N 204 
MET N   CA   sing N N 205 
MET N   H    sing N N 206 
MET N   H2   sing N N 207 
MET CA  C    sing N N 208 
MET CA  CB   sing N N 209 
MET CA  HA   sing N N 210 
MET C   O    doub N N 211 
MET C   OXT  sing N N 212 
MET CB  CG   sing N N 213 
MET CB  HB2  sing N N 214 
MET CB  HB3  sing N N 215 
MET CG  SD   sing N N 216 
MET CG  HG2  sing N N 217 
MET CG  HG3  sing N N 218 
MET SD  CE   sing N N 219 
MET CE  HE1  sing N N 220 
MET CE  HE2  sing N N 221 
MET CE  HE3  sing N N 222 
MET OXT HXT  sing N N 223 
SER N   CA   sing N N 224 
SER N   H    sing N N 225 
SER N   H2   sing N N 226 
SER CA  C    sing N N 227 
SER CA  CB   sing N N 228 
SER CA  HA   sing N N 229 
SER C   O    doub N N 230 
SER C   OXT  sing N N 231 
SER CB  OG   sing N N 232 
SER CB  HB2  sing N N 233 
SER CB  HB3  sing N N 234 
SER OG  HG   sing N N 235 
SER OXT HXT  sing N N 236 
THR N   CA   sing N N 237 
THR N   H    sing N N 238 
THR N   H2   sing N N 239 
THR CA  C    sing N N 240 
THR CA  CB   sing N N 241 
THR CA  HA   sing N N 242 
THR C   O    doub N N 243 
THR C   OXT  sing N N 244 
THR CB  OG1  sing N N 245 
THR CB  CG2  sing N N 246 
THR CB  HB   sing N N 247 
THR OG1 HG1  sing N N 248 
THR CG2 HG21 sing N N 249 
THR CG2 HG22 sing N N 250 
THR CG2 HG23 sing N N 251 
THR OXT HXT  sing N N 252 
TRP N   CA   sing N N 253 
TRP N   H    sing N N 254 
TRP N   H2   sing N N 255 
TRP CA  C    sing N N 256 
TRP CA  CB   sing N N 257 
TRP CA  HA   sing N N 258 
TRP C   O    doub N N 259 
TRP C   OXT  sing N N 260 
TRP CB  CG   sing N N 261 
TRP CB  HB2  sing N N 262 
TRP CB  HB3  sing N N 263 
TRP CG  CD1  doub Y N 264 
TRP CG  CD2  sing Y N 265 
TRP CD1 NE1  sing Y N 266 
TRP CD1 HD1  sing N N 267 
TRP CD2 CE2  doub Y N 268 
TRP CD2 CE3  sing Y N 269 
TRP NE1 CE2  sing Y N 270 
TRP NE1 HE1  sing N N 271 
TRP CE2 CZ2  sing Y N 272 
TRP CE3 CZ3  doub Y N 273 
TRP CE3 HE3  sing N N 274 
TRP CZ2 CH2  doub Y N 275 
TRP CZ2 HZ2  sing N N 276 
TRP CZ3 CH2  sing Y N 277 
TRP CZ3 HZ3  sing N N 278 
TRP CH2 HH2  sing N N 279 
TRP OXT HXT  sing N N 280 
TYR N   CA   sing N N 281 
TYR N   H    sing N N 282 
TYR N   H2   sing N N 283 
TYR CA  C    sing N N 284 
TYR CA  CB   sing N N 285 
TYR CA  HA   sing N N 286 
TYR C   O    doub N N 287 
TYR C   OXT  sing N N 288 
TYR CB  CG   sing N N 289 
TYR CB  HB2  sing N N 290 
TYR CB  HB3  sing N N 291 
TYR CG  CD1  doub Y N 292 
TYR CG  CD2  sing Y N 293 
TYR CD1 CE1  sing Y N 294 
TYR CD1 HD1  sing N N 295 
TYR CD2 CE2  doub Y N 296 
TYR CD2 HD2  sing N N 297 
TYR CE1 CZ   doub Y N 298 
TYR CE1 HE1  sing N N 299 
TYR CE2 CZ   sing Y N 300 
TYR CE2 HE2  sing N N 301 
TYR CZ  OH   sing N N 302 
TYR OH  HH   sing N N 303 
TYR OXT HXT  sing N N 304 
VAL N   CA   sing N N 305 
VAL N   H    sing N N 306 
VAL N   H2   sing N N 307 
VAL CA  C    sing N N 308 
VAL CA  CB   sing N N 309 
VAL CA  HA   sing N N 310 
VAL C   O    doub N N 311 
VAL C   OXT  sing N N 312 
VAL CB  CG1  sing N N 313 
VAL CB  CG2  sing N N 314 
VAL CB  HB   sing N N 315 
VAL CG1 HG11 sing N N 316 
VAL CG1 HG12 sing N N 317 
VAL CG1 HG13 sing N N 318 
VAL CG2 HG21 sing N N 319 
VAL CG2 HG22 sing N N 320 
VAL CG2 HG23 sing N N 321 
VAL OXT HXT  sing N N 322 
# 
_atom_sites.entry_id                    1SZT 
_atom_sites.fract_transf_matrix[1][1]   0.018843 
_atom_sites.fract_transf_matrix[1][2]   0.010879 
_atom_sites.fract_transf_matrix[1][3]   0.000000 
_atom_sites.fract_transf_matrix[2][1]   0.000000 
_atom_sites.fract_transf_matrix[2][2]   0.021758 
_atom_sites.fract_transf_matrix[2][3]   0.000000 
_atom_sites.fract_transf_matrix[3][1]   0.000000 
_atom_sites.fract_transf_matrix[3][2]   0.000000 
_atom_sites.fract_transf_matrix[3][3]   0.016507 
_atom_sites.fract_transf_vector[1]      0.00000 
_atom_sites.fract_transf_vector[2]      0.00000 
_atom_sites.fract_transf_vector[3]      0.00000 
# 
loop_
_atom_type.symbol 
C 
N 
O 
S 
# 
loop_