data_1FIV
# 
_entry.id   1FIV 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.313 
_audit_conform.dict_location   http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 
# 
loop_
_database_2.database_id 
_database_2.database_code 
PDB   1FIV         
WWPDB D_1000173304 
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1FIV 
_pdbx_database_status.recvd_initial_deposition_date   1995-05-04 
_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.status_code_cs                  ? 
_pdbx_database_status.methods_development_category    ? 
_pdbx_database_status.pdb_format_compatible           Y 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Wlodawer, A.'     1 
'Gustchina, A.'    2 
'Reshetnikova, L.' 3 
'Lubkowski, J.'    4 
'Zdanov, A.'       5 
# 
_citation.id                        primary 
_citation.title                     'Structure of an inhibitor complex of the proteinase from feline immunodeficiency virus.' 
_citation.journal_abbrev            Nat.Struct.Biol. 
_citation.journal_volume            2 
_citation.page_first                480 
_citation.page_last                 488 
_citation.year                      1995 
_citation.journal_id_ASTM           NSBIEW 
_citation.country                   US 
_citation.journal_id_ISSN           1072-8368 
_citation.journal_id_CSD            2024 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   7664111 
_citation.pdbx_database_id_DOI      10.1038/nsb0695-480 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Wlodawer, A.'     1  ? 
primary 'Gustchina, A.'    2  ? 
primary 'Reshetnikova, L.' 3  ? 
primary 'Lubkowski, J.'    4  ? 
primary 'Zdanov, A.'       5  ? 
primary 'Hui, K.Y.'        6  ? 
primary 'Angleton, E.L.'   7  ? 
primary 'Farmerie, W.G.'   8  ? 
primary 'Goodenow, M.M.'   9  ? 
primary 'Bhatt, D.'        10 ? 
# 
_cell.entry_id           1FIV 
_cell.length_a           50.650 
_cell.length_b           50.650 
_cell.length_c           74.500 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        120.00 
_cell.Z_PDB              6 
_cell.pdbx_unique_axis   ? 
_cell.length_a_esd       ? 
_cell.length_b_esd       ? 
_cell.length_c_esd       ? 
_cell.angle_alpha_esd    ? 
_cell.angle_beta_esd     ? 
_cell.angle_gamma_esd    ? 
# 
_symmetry.entry_id                         1FIV 
_symmetry.space_group_name_H-M             'P 31 2 1' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     ? 
_symmetry.Int_Tables_number                152 
_symmetry.space_group_name_Hall            ? 
# 
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 'FIV PROTEASE'                                        12842.825 1  3.4.23.16 ? ? ? 
2 polymer syn 'FIV PROTEASE INHIBITOR  ACE-ALN-VAL-STA-GLU-ALN-NH2' 821.981   1  ?         ? ? ? 
3 water   nat water                                                 18.015    94 ?         ? ? ? 
# 
_entity_name_com.entity_id   2 
_entity_name_com.name        'FIV PROTEASE INHIBITOR LP-149' 
# 
loop_
_entity_poly.entity_id 
_entity_poly.type 
_entity_poly.nstd_linkage 
_entity_poly.nstd_monomer 
_entity_poly.pdbx_seq_one_letter_code 
_entity_poly.pdbx_seq_one_letter_code_can 
_entity_poly.pdbx_strand_id 
_entity_poly.pdbx_target_identifier 
1 'polypeptide(L)' no no  
;VGTTTTLEKRPEILIFVNGYPIKFLLDTGADITILNRRDFQVKNSIENGRQNMIGVGGGKRGTNYINVHLEIRDENYKTQ
CIFGNVCVLEDNSLIQPLLGRDNMIKFNIRLVM
;
;VGTTTTLEKRPEILIFVNGYPIKFLLDTGADITILNRRDFQVKNSIENGRQNMIGVGGGKRGTNYINVHLEIRDENYKTQ
CIFGNVCVLEDNSLIQPLLGRDNMIKFNIRLVM
;
A ? 
2 'polypeptide(L)' no yes '(ACE)(ALN)V(STA)E(ALN)(NH2)' XAVXEAX B ? 
# 
loop_
_entity_poly_seq.entity_id 
_entity_poly_seq.num 
_entity_poly_seq.mon_id 
_entity_poly_seq.hetero 
1 1   VAL n 
1 2   GLY n 
1 3   THR n 
1 4   THR n 
1 5   THR n 
1 6   THR n 
1 7   LEU n 
1 8   GLU n 
1 9   LYS n 
1 10  ARG n 
1 11  PRO n 
1 12  GLU n 
1 13  ILE n 
1 14  LEU n 
1 15  ILE n 
1 16  PHE n 
1 17  VAL n 
1 18  ASN n 
1 19  GLY n 
1 20  TYR n 
1 21  PRO n 
1 22  ILE n 
1 23  LYS n 
1 24  PHE n 
1 25  LEU n 
1 26  LEU n 
1 27  ASP n 
1 28  THR n 
1 29  GLY n 
1 30  ALA n 
1 31  ASP n 
1 32  ILE n 
1 33  THR n 
1 34  ILE n 
1 35  LEU n 
1 36  ASN n 
1 37  ARG n 
1 38  ARG n 
1 39  ASP n 
1 40  PHE n 
1 41  GLN n 
1 42  VAL n 
1 43  LYS n 
1 44  ASN n 
1 45  SER n 
1 46  ILE n 
1 47  GLU n 
1 48  ASN n 
1 49  GLY n 
1 50  ARG n 
1 51  GLN n 
1 52  ASN n 
1 53  MET n 
1 54  ILE n 
1 55  GLY n 
1 56  VAL n 
1 57  GLY n 
1 58  GLY n 
1 59  GLY n 
1 60  LYS n 
1 61  ARG n 
1 62  GLY n 
1 63  THR n 
1 64  ASN n 
1 65  TYR n 
1 66  ILE n 
1 67  ASN n 
1 68  VAL n 
1 69  HIS n 
1 70  LEU n 
1 71  GLU n 
1 72  ILE n 
1 73  ARG n 
1 74  ASP n 
1 75  GLU n 
1 76  ASN n 
1 77  TYR n 
1 78  LYS n 
1 79  THR n 
1 80  GLN n 
1 81  CYS n 
1 82  ILE n 
1 83  PHE n 
1 84  GLY n 
1 85  ASN n 
1 86  VAL n 
1 87  CYS n 
1 88  VAL n 
1 89  LEU n 
1 90  GLU n 
1 91  ASP n 
1 92  ASN n 
1 93  SER n 
1 94  LEU n 
1 95  ILE n 
1 96  GLN n 
1 97  PRO n 
1 98  LEU n 
1 99  LEU n 
1 100 GLY n 
1 101 ARG n 
1 102 ASP n 
1 103 ASN n 
1 104 MET n 
1 105 ILE n 
1 106 LYS n 
1 107 PHE n 
1 108 ASN n 
1 109 ILE n 
1 110 ARG n 
1 111 LEU n 
1 112 VAL n 
1 113 MET n 
2 1   ACE n 
2 2   ALN n 
2 3   VAL n 
2 4   STA n 
2 5   GLU n 
2 6   ALN n 
2 7   NH2 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                     ? 
_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      'Feline immunodeficiency virus' 
_entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id     11673 
_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                ? 
_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                     ? 
_entity_src_gen.pdbx_host_org_gene                 ? 
_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               ? 
_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          ? 
_entity_src_gen.pdbx_host_org_vector               ? 
_entity_src_gen.host_org_details                   ? 
_entity_src_gen.expression_system_id               ? 
_entity_src_gen.plasmid_name                       ? 
_entity_src_gen.plasmid_details                    ? 
_entity_src_gen.pdbx_description                   ? 
# 
loop_
_struct_ref.id 
_struct_ref.db_name 
_struct_ref.db_code 
_struct_ref.entity_id 
_struct_ref.pdbx_db_accession 
_struct_ref.pdbx_align_begin 
_struct_ref.pdbx_seq_one_letter_code 
_struct_ref.pdbx_db_isoform 
1 UNP POL_FIVPE 1 P16088 1   
;KEFGKLEGGASCSPSESNAASSNAICTSNGGETIGFVNYNKVGTTTTLEKRPEILIFVNGYPIKFLLDTGADITILNRRD
FQVKNSIENGRQNMIGVGGGKRGTNYINVHLEIRDENYKTQCIFGNVCVLEDNSLIQPLLGRDNMIKFNIRLVMAQISDK
IPVVKVKMKDPNKGPQIKQWPLTNEKIEALTEIVERLEKEGKVKRADSNNPWNTPVFAIKKKSGKWRMLIDFRELNKLTE
KGAEVQLGLPHPAGLQIKKQVTVLDIGDAYFTIPLDPDYAPYTAFTLPRKNNAGPGRRFVWCSLPQGWILSPLIYQSTLD
NIIQPFIRQNPQLDIYQYMDDIYIGSNLSKKEHKEKVEELRKLLLWWGFETPEDKLQEEPPYTWMGYELHPLTWTIQQKQ
LDIPEQPTLNELQKLAGKINWASQAIPDLSIKALTNMMRGNQNLNSTRQWTKEARLEVQKAKKAIEEQVQLGYYDPSKEL
YAKLSLVGPHQISYQVYQKDPEKILWYGKMSRQKKKAENTCDIALRACYKIREESIIRIGKEPRYEIPTSREAWESNLIN
SPYLKAPPPEVEYIHAALNIKRALSMIKDAPIPGAETWYIDGGRKLGKAAKAAYWTDTGKWRVMDLEGSNQKAEIQALLL
ALKAGSEEMNIITDSQYVINIILQQPDMMEGIWQEVLEELEKKTAIFIDWVPGHKGIPGNEEVDKLCQTMMIIEGDGILD
KRSEDAGYDLLAAKEIHLLPGEVKVIPTGVKLMLPKGYWGLIIGKSSIGSKGLDVLGGVIDEGYRGEIGVIMINVSRKSI
TLMERQKIAQLIILPCKHEVLEQGKVVMDSERGDNGYGSTGVFSSWVDRIEEAEINHEKFHSDPQYLRTEFNLPKMVAEE
IRRKCPVCRIIGEQVGGQLKIGPGIWQMDCTHFDGKIILVGIHVESGYIWAQIISQETADCTVKAVLQLLSAHNVTELQT
DNGPNFKNQKMEGVLNYMGVKHKFGIPGNPQSQALVENVNHTLKVWIQKFLPETTSLDNALSLAVHSLNFKRRGRIGGMA
PYELLAQQESLRIQDYFSAIPQKLQAQWIYYKDQKDKKWKGPMRVEYWGQGSVLLKDEEKGYFLIPRRHIRRVPEPCALP
EGDE
;
? 
2 PDB 1FIV      2 1FIV   201 XAVXEAX ? 
# 
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 1FIV A 1 ? 113 ? P16088 42  ? 154 ? 4   116 
2 2 1FIV B 1 ? 7   ? 1FIV   201 ? 207 ? 201 207 
# 
loop_
_chem_comp.id 
_chem_comp.type 
_chem_comp.mon_nstd_flag 
_chem_comp.name 
_chem_comp.pdbx_synonyms 
_chem_comp.formula 
_chem_comp.formula_weight 
ACE non-polymer         . 'ACETYL GROUP'            ? 'C2 H4 O'        44.053  
ALA 'L-peptide linking' y ALANINE                   ? 'C3 H7 N O2'     89.093  
ALN 'L-peptide linking' n NAPHTHALEN-2-YL-3-ALANINE ? 'C13 H13 N O2'   215.248 
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 
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  
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 
NH2 non-polymer         . 'AMINO GROUP'             ? 'H2 N'           16.023  
PHE 'L-peptide linking' y PHENYLALANINE             ? 'C9 H11 N O2'    165.189 
PRO 'L-peptide linking' y PROLINE                   ? 'C5 H9 N O2'     115.130 
SER 'L-peptide linking' y SERINE                    ? 'C3 H7 N O3'     105.093 
STA peptide-like        . STATINE                   ? 'C8 H17 N O3'    175.225 
THR 'L-peptide linking' y THREONINE                 ? 'C4 H9 N O3'     119.119 
TYR 'L-peptide linking' y TYROSINE                  ? 'C9 H11 N O3'    181.189 
VAL 'L-peptide linking' y VALINE                    ? 'C5 H11 N O2'    117.146 
# 
_exptl.entry_id          1FIV 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   ? 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      2.06 
_exptl_crystal.density_percent_sol   40.19 
_exptl_crystal.description           ? 
_exptl_crystal.F_000                 ? 
_exptl_crystal.preparation           ? 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           ? 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_detector.diffrn_id              1 
_diffrn_detector.detector               ? 
_diffrn_detector.type                   ? 
_diffrn_detector.pdbx_collection_date   1994-09-02 
_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   . 
_diffrn_radiation_wavelength.wt           1.0 
# 
_reflns.entry_id                     1FIV 
_reflns.observed_criterion_sigma_I   ? 
_reflns.observed_criterion_sigma_F   ? 
_reflns.d_resolution_low             ? 
_reflns.d_resolution_high            ? 
_reflns.number_obs                   7033 
_reflns.number_all                   ? 
_reflns.percent_possible_obs         90. 
_reflns.pdbx_Rmerge_I_obs            0.06 
_reflns.pdbx_Rsym_value              ? 
_reflns.pdbx_netI_over_sigmaI        ? 
_reflns.B_iso_Wilson_estimate        ? 
_reflns.pdbx_redundancy              3.2 
_reflns.R_free_details               ? 
_reflns.limit_h_max                  ? 
_reflns.limit_h_min                  ? 
_reflns.limit_k_max                  ? 
_reflns.limit_k_min                  ? 
_reflns.limit_l_max                  ? 
_reflns.limit_l_min                  ? 
_reflns.observed_criterion_F_max     ? 
_reflns.observed_criterion_F_min     ? 
_reflns.pdbx_chi_squared             ? 
_reflns.pdbx_scaling_rejects         ? 
_reflns.pdbx_ordinal                 1 
_reflns.pdbx_diffrn_id               1 
# 
_refine.entry_id                                 1FIV 
_refine.ls_number_reflns_obs                     6527 
_refine.ls_number_reflns_all                     ? 
_refine.pdbx_ls_sigma_I                          ? 
_refine.pdbx_ls_sigma_F                          ? 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_refine.ls_d_res_low                             10.0 
_refine.ls_d_res_high                            2.0 
_refine.ls_percent_reflns_obs                    ? 
_refine.ls_R_factor_obs                          0.148 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_R_work                       0.148 
_refine.ls_R_factor_R_free                       ? 
_refine.ls_R_factor_R_free_error                 ? 
_refine.ls_R_factor_R_free_error_details         ? 
_refine.ls_percent_reflns_R_free                 ? 
_refine.ls_number_reflns_R_free                  ? 
_refine.ls_number_parameters                     ? 
_refine.ls_number_restraints                     ? 
_refine.occupancy_min                            ? 
_refine.occupancy_max                            ? 
_refine.B_iso_mean                               ? 
_refine.aniso_B[1][1]                            ? 
_refine.aniso_B[2][2]                            ? 
_refine.aniso_B[3][3]                            ? 
_refine.aniso_B[1][2]                            ? 
_refine.aniso_B[1][3]                            ? 
_refine.aniso_B[2][3]                            ? 
_refine.solvent_model_details                    ? 
_refine.solvent_model_param_ksol                 ? 
_refine.solvent_model_param_bsol                 ? 
_refine.pdbx_ls_cross_valid_method               ? 
_refine.details                                  ? 
_refine.pdbx_starting_model                      ? 
_refine.pdbx_method_to_determine_struct          ? 
_refine.pdbx_isotropic_thermal_model             ? 
_refine.pdbx_stereochemistry_target_values       ? 
_refine.pdbx_stereochem_target_val_spec_case     ? 
_refine.pdbx_R_Free_selection_details            ? 
_refine.pdbx_overall_ESU_R_Free                  ? 
_refine.overall_SU_ML                            ? 
_refine.overall_SU_B                             ? 
_refine.ls_redundancy_reflns_obs                 ? 
_refine.pdbx_overall_phase_error                 ? 
_refine.B_iso_min                                ? 
_refine.B_iso_max                                ? 
_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.overall_SU_R_Cruickshank_DPI             ? 
_refine.overall_SU_R_free                        ? 
_refine.ls_wR_factor_R_free                      ? 
_refine.ls_wR_factor_R_work                      ? 
_refine.overall_FOM_free_R_set                   ? 
_refine.overall_FOM_work_R_set                   ? 
_refine.pdbx_refine_id                           'X-RAY DIFFRACTION' 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_overall_ESU_R                       ? 
_refine.pdbx_TLS_residual_ADP_flag               ? 
_refine.pdbx_overall_SU_R_free_Cruickshank_DPI   ? 
_refine.pdbx_overall_SU_R_Blow_DPI               ? 
_refine.pdbx_overall_SU_R_free_Blow_DPI          ? 
# 
_refine_hist.pdbx_refine_id                   'X-RAY DIFFRACTION' 
_refine_hist.cycle_id                         LAST 
_refine_hist.pdbx_number_atoms_protein        961 
_refine_hist.pdbx_number_atoms_nucleic_acid   0 
_refine_hist.pdbx_number_atoms_ligand         0 
_refine_hist.number_atoms_solvent             94 
_refine_hist.number_atoms_total               1055 
_refine_hist.d_res_high                       2.0 
_refine_hist.d_res_low                        10.0 
# 
loop_
_refine_ls_restr.type 
_refine_ls_restr.dev_ideal 
_refine_ls_restr.dev_ideal_target 
_refine_ls_restr.weight 
_refine_ls_restr.number 
_refine_ls_restr.pdbx_refine_id 
_refine_ls_restr.pdbx_restraint_function 
x_bond_d                0.017 ?     ? ? 'X-RAY DIFFRACTION' ? 
x_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             ?     ?     ? ? '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             1.268 1.500 ? ? 'X-RAY DIFFRACTION' ? 
x_mcangle_it            2.004 2.000 ? ? 'X-RAY DIFFRACTION' ? 
x_scbond_it             3.908 3.000 ? ? 'X-RAY DIFFRACTION' ? 
x_scangle_it            5.767 4.000 ? ? 'X-RAY DIFFRACTION' ? 
# 
_struct.entry_id                  1FIV 
_struct.title                     'STRUCTURE OF AN INHIBITOR COMPLEX OF PROTEINASE FROM FELINE IMMUNODEFICIENCY VIRUS' 
_struct.pdbx_descriptor           'FIV PROTEASE / INHIBITOR COMPLEX, NAPHTHYL GROUP' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1FIV 
_struct_keywords.pdbx_keywords   'HYDROLASE/HYDROLASE INHIBITOR' 
_struct_keywords.text            'ACID PROTEINASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX' 
# 
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 ? 
C N N 3 ? 
D N N 3 ? 
# 
_struct_biol.id        1 
_struct_biol.details   
;THIS FILE CONTAINS ONLY A MONOMER.  IN ORDER TO CREATE A
DIMERIC MOLECULE, CRYSTALLOGRAPHIC COORDINATES NEED TO BE
TRANSFORMED TO (X-Y), -Y, (2/3-Z).
;
# 
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 ARG A 37  ? ASP A 39  ? ARG A 40  ASP A 42  5 ? 3 
HELX_P HELX_P2 2 ARG A 101 ? LYS A 106 ? ARG A 104 LYS A 109 1 ? 6 
# 
_struct_conf_type.id          HELX_P 
_struct_conf_type.criteria    ? 
_struct_conf_type.reference   ? 
# 
loop_
_struct_conn.id 
_struct_conn.conn_type_id 
_struct_conn.pdbx_leaving_atom_flag 
_struct_conn.pdbx_PDB_id 
_struct_conn.ptnr1_label_asym_id 
_struct_conn.ptnr1_label_comp_id 
_struct_conn.ptnr1_label_seq_id 
_struct_conn.ptnr1_label_atom_id 
_struct_conn.pdbx_ptnr1_label_alt_id 
_struct_conn.pdbx_ptnr1_PDB_ins_code 
_struct_conn.pdbx_ptnr1_standard_comp_id 
_struct_conn.ptnr1_symmetry 
_struct_conn.ptnr2_label_asym_id 
_struct_conn.ptnr2_label_comp_id 
_struct_conn.ptnr2_label_seq_id 
_struct_conn.ptnr2_label_atom_id 
_struct_conn.pdbx_ptnr2_label_alt_id 
_struct_conn.pdbx_ptnr2_PDB_ins_code 
_struct_conn.ptnr1_auth_asym_id 
_struct_conn.ptnr1_auth_comp_id 
_struct_conn.ptnr1_auth_seq_id 
_struct_conn.ptnr2_auth_asym_id 
_struct_conn.ptnr2_auth_comp_id 
_struct_conn.ptnr2_auth_seq_id 
_struct_conn.ptnr2_symmetry 
_struct_conn.pdbx_ptnr3_label_atom_id 
_struct_conn.pdbx_ptnr3_label_seq_id 
_struct_conn.pdbx_ptnr3_label_comp_id 
_struct_conn.pdbx_ptnr3_label_asym_id 
_struct_conn.pdbx_ptnr3_label_alt_id 
_struct_conn.pdbx_ptnr3_PDB_ins_code 
_struct_conn.details 
_struct_conn.pdbx_dist_value 
_struct_conn.pdbx_value_order 
covale1 covale both ? B ACE 1 C ? ? ? 1_555 B ALN 2 N ? ? B ACE 201 B ALN 202 1_555 ? ? ? ? ? ? ? 1.362 ? 
covale2 covale both ? B ALN 2 C ? ? ? 1_555 B VAL 3 N ? ? B ALN 202 B VAL 203 1_555 ? ? ? ? ? ? ? 1.349 ? 
covale3 covale both ? B VAL 3 C ? ? ? 1_555 B STA 4 N ? ? B VAL 203 B STA 204 1_555 ? ? ? ? ? ? ? 1.365 ? 
covale4 covale both ? B STA 4 C ? ? ? 1_555 B GLU 5 N ? ? B STA 204 B GLU 205 1_555 ? ? ? ? ? ? ? 1.350 ? 
covale5 covale both ? B GLU 5 C ? ? ? 1_555 B ALN 6 N ? ? B GLU 205 B ALN 206 1_555 ? ? ? ? ? ? ? 1.353 ? 
covale6 covale both ? B ALN 6 C ? ? ? 1_555 B NH2 7 N ? ? B ALN 206 B NH2 207 1_555 ? ? ? ? ? ? ? 1.216 ? 
# 
_struct_conn_type.id          covale 
_struct_conn_type.criteria    ? 
_struct_conn_type.reference   ? 
# 
loop_
_struct_sheet.id 
_struct_sheet.type 
_struct_sheet.number_strands 
_struct_sheet.details 
A ? 4 ? 
B ? 4 ? 
# 
loop_
_struct_sheet_order.sheet_id 
_struct_sheet_order.range_id_1 
_struct_sheet_order.range_id_2 
_struct_sheet_order.offset 
_struct_sheet_order.sense 
A 1 2 ? anti-parallel 
A 2 3 ? anti-parallel 
A 3 4 ? anti-parallel 
B 1 2 ? parallel      
B 2 3 ? anti-parallel 
B 3 4 ? anti-parallel 
# 
loop_
_struct_sheet_range.sheet_id 
_struct_sheet_range.id 
_struct_sheet_range.beg_label_comp_id 
_struct_sheet_range.beg_label_asym_id 
_struct_sheet_range.beg_label_seq_id 
_struct_sheet_range.pdbx_beg_PDB_ins_code 
_struct_sheet_range.end_label_comp_id 
_struct_sheet_range.end_label_asym_id 
_struct_sheet_range.end_label_seq_id 
_struct_sheet_range.pdbx_end_PDB_ins_code 
_struct_sheet_range.beg_auth_comp_id 
_struct_sheet_range.beg_auth_asym_id 
_struct_sheet_range.beg_auth_seq_id 
_struct_sheet_range.end_auth_comp_id 
_struct_sheet_range.end_auth_asym_id 
_struct_sheet_range.end_auth_seq_id 
A 1 TYR A 20 ? LEU A 25 ? TYR A 23 LEU A 28 
A 2 GLU A 12 ? VAL A 17 ? GLU A 15 VAL A 20 
A 3 VAL A 68 ? ILE A 72 ? VAL A 71 ILE A 75 
A 4 GLN A 80 ? GLY A 84 ? GLN A 83 GLY A 87 
B 1 ILE A 34 ? ASN A 36 ? ILE A 37 ASN A 39 
B 2 VAL A 86 ? LEU A 89 ? VAL A 89 LEU A 92 
B 3 GLY A 58 ? TYR A 65 ? GLY A 61 TYR A 68 
B 4 ARG A 50 ? GLY A 55 ? ARG A 53 GLY A 58 
# 
loop_
_pdbx_struct_sheet_hbond.sheet_id 
_pdbx_struct_sheet_hbond.range_id_1 
_pdbx_struct_sheet_hbond.range_id_2 
_pdbx_struct_sheet_hbond.range_1_label_atom_id 
_pdbx_struct_sheet_hbond.range_1_label_comp_id 
_pdbx_struct_sheet_hbond.range_1_label_asym_id 
_pdbx_struct_sheet_hbond.range_1_label_seq_id 
_pdbx_struct_sheet_hbond.range_1_PDB_ins_code 
_pdbx_struct_sheet_hbond.range_1_auth_atom_id 
_pdbx_struct_sheet_hbond.range_1_auth_comp_id 
_pdbx_struct_sheet_hbond.range_1_auth_asym_id 
_pdbx_struct_sheet_hbond.range_1_auth_seq_id 
_pdbx_struct_sheet_hbond.range_2_label_atom_id 
_pdbx_struct_sheet_hbond.range_2_label_comp_id 
_pdbx_struct_sheet_hbond.range_2_label_asym_id 
_pdbx_struct_sheet_hbond.range_2_label_seq_id 
_pdbx_struct_sheet_hbond.range_2_PDB_ins_code 
_pdbx_struct_sheet_hbond.range_2_auth_atom_id 
_pdbx_struct_sheet_hbond.range_2_auth_comp_id 
_pdbx_struct_sheet_hbond.range_2_auth_asym_id 
_pdbx_struct_sheet_hbond.range_2_auth_seq_id 
A 1 2 O TYR A 20 ? O TYR A 23 N VAL A 17 ? N VAL A 20 
A 2 3 O PHE A 16 ? O PHE A 19 N GLU A 71 ? N GLU A 74 
A 3 4 O VAL A 68 ? O VAL A 71 N GLY A 84 ? N GLY A 87 
B 1 2 O LEU A 35 ? O LEU A 38 N CYS A 87 ? N CYS A 90 
B 2 3 O VAL A 86 ? O VAL A 89 N TYR A 65 ? N TYR A 68 
B 3 4 O GLY A 58 ? O GLY A 61 N GLY A 55 ? N GLY A 58 
# 
_struct_site.id                   AC1 
_struct_site.pdbx_evidence_code   Software 
_struct_site.pdbx_auth_asym_id    ? 
_struct_site.pdbx_auth_comp_id    ? 
_struct_site.pdbx_auth_seq_id     ? 
_struct_site.pdbx_auth_ins_code   ? 
_struct_site.pdbx_num_residues    28 
_struct_site.details              'BINDING SITE FOR CHAIN B OF FIV PROTEASE INHIBITOR ACE-ALN-VAL-STA-GLU-ALN-NH2' 
# 
loop_
_struct_site_gen.id 
_struct_site_gen.site_id 
_struct_site_gen.pdbx_num_res 
_struct_site_gen.label_comp_id 
_struct_site_gen.label_asym_id 
_struct_site_gen.label_seq_id 
_struct_site_gen.pdbx_auth_ins_code 
_struct_site_gen.auth_comp_id 
_struct_site_gen.auth_asym_id 
_struct_site_gen.auth_seq_id 
_struct_site_gen.label_atom_id 
_struct_site_gen.label_alt_id 
_struct_site_gen.symmetry 
_struct_site_gen.details 
1  AC1 28 ARG A 10 ? ARG A 13  . ? 5_555 ? 
2  AC1 28 PHE A 16 ? PHE A 19  . ? 2_655 ? 
3  AC1 28 GLY A 19 ? GLY A 22  . ? 2_655 ? 
4  AC1 28 PRO A 21 ? PRO A 24  . ? 6_655 ? 
5  AC1 28 LEU A 25 ? LEU A 28  . ? 1_555 ? 
6  AC1 28 ASP A 27 ? ASP A 30  . ? 5_555 ? 
7  AC1 28 ASP A 27 ? ASP A 30  . ? 1_555 ? 
8  AC1 28 GLY A 29 ? GLY A 32  . ? 1_555 ? 
9  AC1 28 GLY A 29 ? GLY A 32  . ? 5_555 ? 
10 AC1 28 ALA A 30 ? ALA A 33  . ? 1_555 ? 
11 AC1 28 ALA A 30 ? ALA A 33  . ? 5_555 ? 
12 AC1 28 ASP A 31 ? ASP A 34  . ? 5_555 ? 
13 AC1 28 ASP A 31 ? ASP A 34  . ? 1_555 ? 
14 AC1 28 ILE A 32 ? ILE A 35  . ? 5_555 ? 
15 AC1 28 MET A 53 ? MET A 56  . ? 1_555 ? 
16 AC1 28 MET A 53 ? MET A 56  . ? 5_555 ? 
17 AC1 28 ILE A 54 ? ILE A 57  . ? 5_555 ? 
18 AC1 28 ILE A 54 ? ILE A 57  . ? 1_555 ? 
19 AC1 28 GLY A 55 ? GLY A 58  . ? 1_555 ? 
20 AC1 28 VAL A 56 ? VAL A 59  . ? 1_555 ? 
21 AC1 28 VAL A 56 ? VAL A 59  . ? 5_555 ? 
22 AC1 28 ILE A 95 ? ILE A 98  . ? 5_555 ? 
23 AC1 28 GLN A 96 ? GLN A 99  . ? 1_555 ? 
24 AC1 28 GLN A 96 ? GLN A 99  . ? 5_555 ? 
25 AC1 28 LEU A 98 ? LEU A 101 . ? 5_555 ? 
26 AC1 28 LEU A 98 ? LEU A 101 . ? 1_555 ? 
27 AC1 28 HOH D .  ? HOH B 301 . ? 5_555 ? 
28 AC1 28 HOH D .  ? HOH B 301 . ? 1_555 ? 
# 
_database_PDB_matrix.entry_id          1FIV 
_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 
# 
_atom_sites.entry_id                    1FIV 
_atom_sites.fract_transf_matrix[1][1]   0.019743 
_atom_sites.fract_transf_matrix[1][2]   0.011399 
_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]   0.022798 
_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]   0.013423 
_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_
_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   VAL 1   4   4   VAL VAL A . n 
A 1 2   GLY 2   5   5   GLY GLY A . n 
A 1 3   THR 3   6   6   THR THR A . n 
A 1 4   THR 4   7   7   THR THR A . n 
A 1 5   THR 5   8   8   THR THR A . n 
A 1 6   THR 6   9   9   THR THR A . n 
A 1 7   LEU 7   10  10  LEU LEU A . n 
A 1 8   GLU 8   11  11  GLU GLU A . n 
A 1 9   LYS 9   12  12  LYS LYS A . n 
A 1 10  ARG 10  13  13  ARG ARG A . n 
A 1 11  PRO 11  14  14  PRO PRO A . n 
A 1 12  GLU 12  15  15  GLU GLU A . n 
A 1 13  ILE 13  16  16  ILE ILE A . n 
A 1 14  LEU 14  17  17  LEU LEU A . n 
A 1 15  ILE 15  18  18  ILE ILE A . n 
A 1 16  PHE 16  19  19  PHE PHE A . n 
A 1 17  VAL 17  20  20  VAL VAL A . n 
A 1 18  ASN 18  21  21  ASN ASN A . n 
A 1 19  GLY 19  22  22  GLY GLY A . n 
A 1 20  TYR 20  23  23  TYR TYR A . n 
A 1 21  PRO 21  24  24  PRO PRO A . n 
A 1 22  ILE 22  25  25  ILE ILE A . n 
A 1 23  LYS 23  26  26  LYS LYS A . n 
A 1 24  PHE 24  27  27  PHE PHE A . n 
A 1 25  LEU 25  28  28  LEU LEU A . n 
A 1 26  LEU 26  29  29  LEU LEU A . n 
A 1 27  ASP 27  30  30  ASP ASP A . n 
A 1 28  THR 28  31  31  THR THR A . n 
A 1 29  GLY 29  32  32  GLY GLY A . n 
A 1 30  ALA 30  33  33  ALA ALA A . n 
A 1 31  ASP 31  34  34  ASP ASP A . n 
A 1 32  ILE 32  35  35  ILE ILE A . n 
A 1 33  THR 33  36  36  THR THR A . n 
A 1 34  ILE 34  37  37  ILE ILE A . n 
A 1 35  LEU 35  38  38  LEU LEU A . n 
A 1 36  ASN 36  39  39  ASN ASN A . n 
A 1 37  ARG 37  40  40  ARG ARG A . n 
A 1 38  ARG 38  41  41  ARG ARG A . n 
A 1 39  ASP 39  42  42  ASP ASP A . n 
A 1 40  PHE 40  43  43  PHE PHE A . n 
A 1 41  GLN 41  44  44  GLN GLN A . n 
A 1 42  VAL 42  45  45  VAL VAL A . n 
A 1 43  LYS 43  46  46  LYS LYS A . n 
A 1 44  ASN 44  47  47  ASN ASN A . n 
A 1 45  SER 45  48  48  SER SER A . n 
A 1 46  ILE 46  49  49  ILE ILE A . n 
A 1 47  GLU 47  50  50  GLU GLU A . n 
A 1 48  ASN 48  51  51  ASN ASN A . n 
A 1 49  GLY 49  52  52  GLY GLY A . n 
A 1 50  ARG 50  53  53  ARG ARG A . n 
A 1 51  GLN 51  54  54  GLN GLN A . n 
A 1 52  ASN 52  55  55  ASN ASN A . n 
A 1 53  MET 53  56  56  MET MET A . n 
A 1 54  ILE 54  57  57  ILE ILE A . n 
A 1 55  GLY 55  58  58  GLY GLY A . n 
A 1 56  VAL 56  59  59  VAL VAL A . n 
A 1 57  GLY 57  60  60  GLY GLY A . n 
A 1 58  GLY 58  61  61  GLY GLY A . n 
A 1 59  GLY 59  62  62  GLY GLY A . n 
A 1 60  LYS 60  63  63  LYS LYS A . n 
A 1 61  ARG 61  64  64  ARG ARG A . n 
A 1 62  GLY 62  65  65  GLY GLY A . n 
A 1 63  THR 63  66  66  THR THR A . n 
A 1 64  ASN 64  67  67  ASN ASN A . n 
A 1 65  TYR 65  68  68  TYR TYR A . n 
A 1 66  ILE 66  69  69  ILE ILE A . n 
A 1 67  ASN 67  70  70  ASN ASN A . n 
A 1 68  VAL 68  71  71  VAL VAL A . n 
A 1 69  HIS 69  72  72  HIS HIS A . n 
A 1 70  LEU 70  73  73  LEU LEU A . n 
A 1 71  GLU 71  74  74  GLU GLU A . n 
A 1 72  ILE 72  75  75  ILE ILE A . n 
A 1 73  ARG 73  76  76  ARG ARG A . n 
A 1 74  ASP 74  77  77  ASP ASP A . n 
A 1 75  GLU 75  78  78  GLU GLU A . n 
A 1 76  ASN 76  79  79  ASN ASN A . n 
A 1 77  TYR 77  80  80  TYR TYR A . n 
A 1 78  LYS 78  81  81  LYS LYS A . n 
A 1 79  THR 79  82  82  THR THR A . n 
A 1 80  GLN 80  83  83  GLN GLN A . n 
A 1 81  CYS 81  84  84  CYS CYS A . n 
A 1 82  ILE 82  85  85  ILE ILE A . n 
A 1 83  PHE 83  86  86  PHE PHE A . n 
A 1 84  GLY 84  87  87  GLY GLY A . n 
A 1 85  ASN 85  88  88  ASN ASN A . n 
A 1 86  VAL 86  89  89  VAL VAL A . n 
A 1 87  CYS 87  90  90  CYS CYS A . n 
A 1 88  VAL 88  91  91  VAL VAL A . n 
A 1 89  LEU 89  92  92  LEU LEU A . n 
A 1 90  GLU 90  93  93  GLU GLU A . n 
A 1 91  ASP 91  94  94  ASP ASP A . n 
A 1 92  ASN 92  95  95  ASN ASN A . n 
A 1 93  SER 93  96  96  SER SER A . n 
A 1 94  LEU 94  97  97  LEU LEU A . n 
A 1 95  ILE 95  98  98  ILE ILE A . n 
A 1 96  GLN 96  99  99  GLN GLN A . n 
A 1 97  PRO 97  100 100 PRO PRO A . n 
A 1 98  LEU 98  101 101 LEU LEU A . n 
A 1 99  LEU 99  102 102 LEU LEU A . n 
A 1 100 GLY 100 103 103 GLY GLY A . n 
A 1 101 ARG 101 104 104 ARG ARG A . n 
A 1 102 ASP 102 105 105 ASP ASP A . n 
A 1 103 ASN 103 106 106 ASN ASN A . n 
A 1 104 MET 104 107 107 MET MET A . n 
A 1 105 ILE 105 108 108 ILE ILE A . n 
A 1 106 LYS 106 109 109 LYS LYS A . n 
A 1 107 PHE 107 110 110 PHE PHE A . n 
A 1 108 ASN 108 111 111 ASN ASN A . n 
A 1 109 ILE 109 112 112 ILE ILE A . n 
A 1 110 ARG 110 113 113 ARG ARG A . n 
A 1 111 LEU 111 114 114 LEU LEU A . n 
A 1 112 VAL 112 115 115 VAL VAL A . n 
A 1 113 MET 113 116 116 MET MET A . n 
B 2 1   ACE 1   201 201 ACE ACE B . n 
B 2 2   ALN 2   202 202 ALN ALN B . n 
B 2 3   VAL 3   203 203 VAL VAL B . n 
B 2 4   STA 4   204 204 STA STA B . n 
B 2 5   GLU 5   205 205 GLU GLU B . n 
B 2 6   ALN 6   206 206 ALN ALN B . n 
B 2 7   NH2 7   207 207 NH2 NH2 B . 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 
C 3 HOH 1  302 302 HOH HOH A . 
C 3 HOH 2  303 303 HOH HOH A . 
C 3 HOH 3  304 304 HOH HOH A . 
C 3 HOH 4  305 305 HOH HOH A . 
C 3 HOH 5  306 306 HOH HOH A . 
C 3 HOH 6  307 307 HOH HOH A . 
C 3 HOH 7  308 308 HOH HOH A . 
C 3 HOH 8  309 309 HOH HOH A . 
C 3 HOH 9  310 310 HOH HOH A . 
C 3 HOH 10 311 311 HOH HOH A . 
C 3 HOH 11 312 312 HOH HOH A . 
C 3 HOH 12 313 313 HOH HOH A . 
C 3 HOH 13 314 314 HOH HOH A . 
C 3 HOH 14 315 315 HOH HOH A . 
C 3 HOH 15 316 316 HOH HOH A . 
C 3 HOH 16 317 317 HOH HOH A . 
C 3 HOH 17 318 318 HOH HOH A . 
C 3 HOH 18 319 319 HOH HOH A . 
C 3 HOH 19 320 320 HOH HOH A . 
C 3 HOH 20 321 321 HOH HOH A . 
C 3 HOH 21 322 322 HOH HOH A . 
C 3 HOH 22 323 323 HOH HOH A . 
C 3 HOH 23 324 324 HOH HOH A . 
C 3 HOH 24 325 325 HOH HOH A . 
C 3 HOH 25 326 326 HOH HOH A . 
C 3 HOH 26 327 327 HOH HOH A . 
C 3 HOH 27 328 328 HOH HOH A . 
C 3 HOH 28 329 329 HOH HOH A . 
C 3 HOH 29 330 330 HOH HOH A . 
C 3 HOH 30 331 331 HOH HOH A . 
C 3 HOH 31 332 332 HOH HOH A . 
C 3 HOH 32 333 333 HOH HOH A . 
C 3 HOH 33 334 334 HOH HOH A . 
C 3 HOH 34 335 335 HOH HOH A . 
C 3 HOH 35 336 336 HOH HOH A . 
C 3 HOH 36 337 337 HOH HOH A . 
C 3 HOH 37 338 338 HOH HOH A . 
C 3 HOH 38 339 339 HOH HOH A . 
C 3 HOH 39 340 340 HOH HOH A . 
C 3 HOH 40 341 341 HOH HOH A . 
C 3 HOH 41 342 342 HOH HOH A . 
C 3 HOH 42 343 343 HOH HOH A . 
C 3 HOH 43 344 344 HOH HOH A . 
C 3 HOH 44 345 345 HOH HOH A . 
C 3 HOH 45 346 346 HOH HOH A . 
C 3 HOH 46 347 347 HOH HOH A . 
C 3 HOH 47 348 348 HOH HOH A . 
C 3 HOH 48 349 349 HOH HOH A . 
C 3 HOH 49 350 350 HOH HOH A . 
C 3 HOH 50 351 351 HOH HOH A . 
C 3 HOH 51 352 352 HOH HOH A . 
C 3 HOH 52 353 353 HOH HOH A . 
C 3 HOH 53 354 354 HOH HOH A . 
C 3 HOH 54 355 355 HOH HOH A . 
C 3 HOH 55 356 356 HOH HOH A . 
C 3 HOH 56 357 357 HOH HOH A . 
C 3 HOH 57 358 358 HOH HOH A . 
C 3 HOH 58 359 359 HOH HOH A . 
C 3 HOH 59 360 360 HOH HOH A . 
C 3 HOH 60 361 361 HOH HOH A . 
C 3 HOH 61 362 362 HOH HOH A . 
C 3 HOH 62 363 363 HOH HOH A . 
C 3 HOH 63 364 364 HOH HOH A . 
C 3 HOH 64 365 365 HOH HOH A . 
C 3 HOH 65 366 366 HOH HOH A . 
C 3 HOH 66 367 367 HOH HOH A . 
C 3 HOH 67 368 368 HOH HOH A . 
C 3 HOH 68 369 369 HOH HOH A . 
C 3 HOH 69 370 370 HOH HOH A . 
C 3 HOH 70 371 371 HOH HOH A . 
C 3 HOH 71 372 372 HOH HOH A . 
C 3 HOH 72 373 373 HOH HOH A . 
C 3 HOH 73 374 374 HOH HOH A . 
C 3 HOH 74 375 375 HOH HOH A . 
C 3 HOH 75 376 376 HOH HOH A . 
C 3 HOH 76 377 377 HOH HOH A . 
C 3 HOH 77 378 378 HOH HOH A . 
C 3 HOH 78 379 379 HOH HOH A . 
C 3 HOH 79 380 380 HOH HOH A . 
C 3 HOH 80 381 381 HOH HOH A . 
C 3 HOH 81 382 382 HOH HOH A . 
C 3 HOH 82 383 383 HOH HOH A . 
C 3 HOH 83 384 384 HOH HOH A . 
C 3 HOH 84 385 385 HOH HOH A . 
C 3 HOH 85 386 386 HOH HOH A . 
C 3 HOH 86 387 387 HOH HOH A . 
C 3 HOH 87 388 388 HOH HOH A . 
C 3 HOH 88 389 389 HOH HOH A . 
C 3 HOH 89 390 390 HOH HOH A . 
C 3 HOH 90 391 391 HOH HOH A . 
C 3 HOH 91 392 392 HOH HOH A . 
C 3 HOH 92 393 393 HOH HOH A . 
C 3 HOH 93 394 394 HOH HOH A . 
D 3 HOH 1  301 301 HOH HOH B . 
# 
_pdbx_molecule_features.prd_id    PRD_000427 
_pdbx_molecule_features.name      'FIV PROTEASE INHIBITOR LP-149; Ac-NA-Val-Sta-Glu-NA-NH2' 
_pdbx_molecule_features.type      Peptide-like 
_pdbx_molecule_features.class     Inhibitor 
_pdbx_molecule_features.details   ? 
# 
_pdbx_molecule.instance_id   1 
_pdbx_molecule.prd_id        PRD_000427 
_pdbx_molecule.asym_id       B 
# 
loop_
_pdbx_struct_mod_residue.id 
_pdbx_struct_mod_residue.label_asym_id 
_pdbx_struct_mod_residue.label_comp_id 
_pdbx_struct_mod_residue.label_seq_id 
_pdbx_struct_mod_residue.auth_asym_id 
_pdbx_struct_mod_residue.auth_comp_id 
_pdbx_struct_mod_residue.auth_seq_id 
_pdbx_struct_mod_residue.PDB_ins_code 
_pdbx_struct_mod_residue.parent_comp_id 
_pdbx_struct_mod_residue.details 
1 B ALN 2 B ALN 202 ? ALA NAPHTHALEN-2-YL-3-ALANINE 
2 B ALN 6 B ALN 206 ? ALA NAPHTHALEN-2-YL-3-ALANINE 
# 
_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   1,2 
_pdbx_struct_assembly_gen.asym_id_list      A,B,C,D 
# 
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' 5_555 x-y,-y,-z+2/3 1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 
0.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 49.6666666667 
# 
_pdbx_struct_special_symmetry.id              1 
_pdbx_struct_special_symmetry.PDB_model_num   1 
_pdbx_struct_special_symmetry.auth_asym_id    B 
_pdbx_struct_special_symmetry.auth_comp_id    STA 
_pdbx_struct_special_symmetry.auth_seq_id     204 
_pdbx_struct_special_symmetry.PDB_ins_code    ? 
_pdbx_struct_special_symmetry.label_asym_id   B 
_pdbx_struct_special_symmetry.label_comp_id   STA 
_pdbx_struct_special_symmetry.label_seq_id    4 
# 
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 1995-07-31 
2 'Structure model' 1 1 2008-03-03 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2012-02-01 
5 'Structure model' 1 4 2012-12-12 
6 'Structure model' 1 5 2019-07-17 
7 'Structure model' 1 6 2019-08-14 
# 
_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         ? 
# 
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' 'Atomic model'              
3  3 'Structure model' 'Database references'       
4  3 'Structure model' 'Derived calculations'      
5  3 'Structure model' 'Non-polymer description'   
6  3 'Structure model' 'Structure summary'         
7  3 'Structure model' 'Version format compliance' 
8  4 'Structure model' 'Derived calculations'      
9  5 'Structure model' Other                       
10 6 'Structure model' 'Data collection'           
11 6 'Structure model' 'Derived calculations'      
12 6 'Structure model' Other                       
13 6 'Structure model' 'Refinement description'    
14 7 'Structure model' 'Data collection'           
15 7 'Structure model' 'Refinement description'    
# 
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 6 'Structure model' pdbx_database_status         
2 6 'Structure model' pdbx_struct_special_symmetry 
3 6 'Structure model' software                     
4 6 'Structure model' struct_conn                  
5 7 'Structure model' software                     
# 
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 6 'Structure model' '_pdbx_database_status.process_site'  
2 6 'Structure model' '_software.classification'            
3 6 'Structure model' '_struct_conn.pdbx_leaving_atom_flag' 
4 7 'Structure model' '_software.classification'            
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
X-PLOR 'model building' . ? 1 
PROLSQ refinement       . ? 2 
X-PLOR refinement       . ? 3 
XENGEN 'data reduction' . ? 4 
X-PLOR phasing          . ? 5 
# 
_pdbx_entry_details.entry_id             1FIV 
_pdbx_entry_details.compound_details     
;THE INHIBITOR ACE-ALN-VAL-STA-GLU-ALN-NH2 IS DISORDERED AROUND THE TWO-FOLD CRYSTALLOGRAPHIC AXIS. APPLICATION OF CRYSTALLOGRAPHIC SYMMETRY RESULTS IN THE OVERLAP OF THE TWO ORIENTATIONS. THE OCCUPANCY OF EACH ORIENTATION IS 1/2.
;
_pdbx_entry_details.source_details       ? 
_pdbx_entry_details.nonpolymer_details   ? 
_pdbx_entry_details.sequence_details     ? 
# 
loop_
_pdbx_validate_close_contact.id 
_pdbx_validate_close_contact.PDB_model_num 
_pdbx_validate_close_contact.auth_atom_id_1 
_pdbx_validate_close_contact.auth_asym_id_1 
_pdbx_validate_close_contact.auth_comp_id_1 
_pdbx_validate_close_contact.auth_seq_id_1 
_pdbx_validate_close_contact.PDB_ins_code_1 
_pdbx_validate_close_contact.label_alt_id_1 
_pdbx_validate_close_contact.auth_atom_id_2 
_pdbx_validate_close_contact.auth_asym_id_2 
_pdbx_validate_close_contact.auth_comp_id_2 
_pdbx_validate_close_contact.auth_seq_id_2 
_pdbx_validate_close_contact.PDB_ins_code_2 
_pdbx_validate_close_contact.label_alt_id_2 
_pdbx_validate_close_contact.dist 
1 1 O   A HOH 337 ? ? O A HOH 339 ? ? 2.03 
2 1 OD2 A ASP 42  ? ? O A HOH 310 ? ? 2.15 
# 
_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            B 
_pdbx_validate_rmsd_bond.auth_comp_id_1            GLU 
_pdbx_validate_rmsd_bond.auth_seq_id_1             205 
_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            B 
_pdbx_validate_rmsd_bond.auth_comp_id_2            GLU 
_pdbx_validate_rmsd_bond.auth_seq_id_2             205 
_pdbx_validate_rmsd_bond.PDB_ins_code_2            ? 
_pdbx_validate_rmsd_bond.label_alt_id_2            ? 
_pdbx_validate_rmsd_bond.bond_value                1.324 
_pdbx_validate_rmsd_bond.bond_target_value         1.252 
_pdbx_validate_rmsd_bond.bond_deviation            0.072 
_pdbx_validate_rmsd_bond.bond_standard_deviation   0.011 
_pdbx_validate_rmsd_bond.linker_flag               N 
# 
loop_
_pdbx_validate_rmsd_angle.id 
_pdbx_validate_rmsd_angle.PDB_model_num 
_pdbx_validate_rmsd_angle.auth_atom_id_1 
_pdbx_validate_rmsd_angle.auth_asym_id_1 
_pdbx_validate_rmsd_angle.auth_comp_id_1 
_pdbx_validate_rmsd_angle.auth_seq_id_1 
_pdbx_validate_rmsd_angle.PDB_ins_code_1 
_pdbx_validate_rmsd_angle.label_alt_id_1 
_pdbx_validate_rmsd_angle.auth_atom_id_2 
_pdbx_validate_rmsd_angle.auth_asym_id_2 
_pdbx_validate_rmsd_angle.auth_comp_id_2 
_pdbx_validate_rmsd_angle.auth_seq_id_2 
_pdbx_validate_rmsd_angle.PDB_ins_code_2 
_pdbx_validate_rmsd_angle.label_alt_id_2 
_pdbx_validate_rmsd_angle.auth_atom_id_3 
_pdbx_validate_rmsd_angle.auth_asym_id_3 
_pdbx_validate_rmsd_angle.auth_comp_id_3 
_pdbx_validate_rmsd_angle.auth_seq_id_3 
_pdbx_validate_rmsd_angle.PDB_ins_code_3 
_pdbx_validate_rmsd_angle.label_alt_id_3 
_pdbx_validate_rmsd_angle.angle_value 
_pdbx_validate_rmsd_angle.angle_target_value 
_pdbx_validate_rmsd_angle.angle_deviation 
_pdbx_validate_rmsd_angle.angle_standard_deviation 
_pdbx_validate_rmsd_angle.linker_flag 
1  1 NE A ARG 13  ? ? CZ A ARG 13  ? ? NH1 A ARG 13  ? ? 116.30 120.30 -4.00  0.50 N 
2  1 CB A ASP 30  ? ? CG A ASP 30  ? ? OD1 A ASP 30  ? ? 111.11 118.30 -7.19  0.90 N 
3  1 CB A ASP 30  ? ? CG A ASP 30  ? ? OD2 A ASP 30  ? ? 131.25 118.30 12.95  0.90 N 
4  1 CB A ASP 34  ? ? CG A ASP 34  ? ? OD1 A ASP 34  ? ? 124.81 118.30 6.51   0.90 N 
5  1 O  A ILE 49  ? ? C  A ILE 49  ? ? N   A GLU 50  ? ? 132.73 122.70 10.03  1.60 Y 
6  1 N  A GLN 54  ? ? CA A GLN 54  ? ? CB  A GLN 54  ? ? 98.81  110.60 -11.79 1.80 N 
7  1 CB A TYR 80  ? ? CG A TYR 80  ? ? CD2 A TYR 80  ? ? 125.69 121.00 4.69   0.60 N 
8  1 CA A GLN 83  ? ? CB A GLN 83  ? ? CG  A GLN 83  ? ? 127.26 113.40 13.86  2.20 N 
9  1 CA A CYS 84  ? A CB A CYS 84  ? A SG  A CYS 84  ? A 123.69 114.20 9.49   1.10 N 
10 1 CB A ASP 94  ? ? CG A ASP 94  ? ? OD1 A ASP 94  ? ? 125.86 118.30 7.56   0.90 N 
11 1 NE A ARG 104 ? ? CZ A ARG 104 ? ? NH2 A ARG 104 ? ? 124.47 120.30 4.17   0.50 N 
12 1 CG A MET 107 ? ? SD A MET 107 ? ? CE  A MET 107 ? ? 110.56 100.20 10.36  1.60 N 
13 1 CD A ARG 113 ? ? NE A ARG 113 ? ? CZ  A ARG 113 ? ? 138.99 123.60 15.39  1.40 N 
14 1 CA B STA 204 ? ? C  B STA 204 ? ? N   B GLU 205 ? ? 142.58 117.20 25.38  2.20 Y 
# 
loop_
_pdbx_validate_torsion.id 
_pdbx_validate_torsion.PDB_model_num 
_pdbx_validate_torsion.auth_comp_id 
_pdbx_validate_torsion.auth_asym_id 
_pdbx_validate_torsion.auth_seq_id 
_pdbx_validate_torsion.PDB_ins_code 
_pdbx_validate_torsion.label_alt_id 
_pdbx_validate_torsion.phi 
_pdbx_validate_torsion.psi 
1 1 LYS A 46 ? ? 48.99   -125.85 
2 1 ASN A 51 ? ? -140.01 38.52   
# 
_pdbx_validate_peptide_omega.id               1 
_pdbx_validate_peptide_omega.PDB_model_num    1 
_pdbx_validate_peptide_omega.auth_comp_id_1   STA 
_pdbx_validate_peptide_omega.auth_asym_id_1   B 
_pdbx_validate_peptide_omega.auth_seq_id_1    204 
_pdbx_validate_peptide_omega.PDB_ins_code_1   ? 
_pdbx_validate_peptide_omega.label_alt_id_1   ? 
_pdbx_validate_peptide_omega.auth_comp_id_2   GLU 
_pdbx_validate_peptide_omega.auth_asym_id_2   B 
_pdbx_validate_peptide_omega.auth_seq_id_2    205 
_pdbx_validate_peptide_omega.PDB_ins_code_2   ? 
_pdbx_validate_peptide_omega.label_alt_id_2   ? 
_pdbx_validate_peptide_omega.omega            -121.62 
# 
_pdbx_validate_main_chain_plane.id                       1 
_pdbx_validate_main_chain_plane.PDB_model_num            1 
_pdbx_validate_main_chain_plane.auth_comp_id             STA 
_pdbx_validate_main_chain_plane.auth_asym_id             B 
_pdbx_validate_main_chain_plane.auth_seq_id              204 
_pdbx_validate_main_chain_plane.PDB_ins_code             ? 
_pdbx_validate_main_chain_plane.label_alt_id             ? 
_pdbx_validate_main_chain_plane.improper_torsion_angle   31.63 
# 
_pdbx_entity_nonpoly.entity_id   3 
_pdbx_entity_nonpoly.name        water 
_pdbx_entity_nonpoly.comp_id     HOH 
#