HEADER    HYDROLASE/HYDROLASE INHIBITOR           08-JUN-10   3NDW              
TITLE     HIV-1 PROTEASE SAQUINAVIR:RITONAVIR 1:15 COMPLEX STRUCTURE            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEASE;                                                  
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 3.4.23.16;                                                       
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1;                 
SOURCE   3 ORGANISM_TAXID: 11676;                                               
SOURCE   4 GENE: POL;                                                           
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    HIV-1 PROTEASE, HYDROLASE, AIDS, ASPARTYL PROTEASE, SAQUINAVIR,       
KEYWDS   2 CARBAMYLATION, HYDROLASE-HYDROLASE INHIBITOR COMPLEX                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.GEREMIA,F.M.OLAJUYIGBE,N.DEMITRI                                    
REVDAT   3   21-FEB-24 3NDW    1       REMARK                                   
REVDAT   2   07-DEC-11 3NDW    1       JRNL                                     
REVDAT   1   20-JUL-11 3NDW    0                                                
JRNL        AUTH   F.M.OLAJUYIGBE,N.DEMITRI,S.GEREMIA                           
JRNL        TITL   INVESTIGATION OF 2-FOLD DISORDER OF INHIBITORS AND RELATIVE  
JRNL        TITL 2 POTENCY BY CRYSTALLIZATIONS OF HIV-1 PROTEASE IN RITONAVIR   
JRNL        TITL 3 AND SAQUINAVIR MIXTURES                                      
JRNL        REF    CRYST.GROWTH DES.             V.  11  4378 2011              
JRNL        REFN                   ISSN 1528-7483                               
JRNL        DOI    10.1021/CG200514Z                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.14 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.14                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.5                           
REMARK   3   CROSS-VALIDATION METHOD           : FREE R                         
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.146                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 63693                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.128                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 46441                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 1512                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 78                                            
REMARK   3   SOLVENT ATOMS      : 234                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 1823.6                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 0.00                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 30                      
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 17509                   
REMARK   3   NUMBER OF RESTRAINTS                     : 22315                   
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.014                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.033                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.033                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.079                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.109                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.016                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.005                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.056                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.091                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER                      
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R     
REMARK   3  (NO CUTOFF) BY ?                                                    
REMARK   4                                                                      
REMARK   4 3NDW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-DEC-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000059706.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-JAN-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6                                  
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ELETTRA                            
REMARK 200  BEAMLINE                       : 5.2R                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.2                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 46365                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.140                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 10.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.4                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: AB INITIO                    
REMARK 200 SOFTWARE USED: SHELX                                                 
REMARK 200 STARTING MODEL: NONE                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.82                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, DMSO, SODIUM           
REMARK 280  CITRATE, PH 6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       25.62700            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       30.66700            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       29.39650            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       30.66700            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       25.62700            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       29.39650            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6070 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 9970 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -66.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A  41   CD  -  NE  -  CZ  ANGL. DEV. =  19.4 DEGREES          
REMARK 500    ARG A  41   NE  -  CZ  -  NH1 ANGL. DEV. =   6.9 DEGREES          
REMARK 500    ARG A  41   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.0 DEGREES          
REMARK 500    TRP B   6   CG  -  CD2 -  CE3 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500    ARG B   8   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500    ARG B   8   NE  -  CZ  -  NH1 ANGL. DEV. =   4.5 DEGREES          
REMARK 500    ARG B  41   CD  -  NE  -  CZ  ANGL. DEV. =  11.3 DEGREES          
REMARK 500    ARG B  41   NE  -  CZ  -  NH1 ANGL. DEV. =   9.9 DEGREES          
REMARK 500    ARG B  41   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.0 DEGREES          
REMARK 500    ARG B  57   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG B  87   NE  -  CZ  -  NH1 ANGL. DEV. =   4.1 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 630                                                                      
REMARK 630 MOLECULE TYPE: PEPTIDE-LIKE INHIBITOR                                
REMARK 630 MOLECULE NAME: RITONAVIR                                             
REMARK 630 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 630  SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                           
REMARK 630                                                                      
REMARK 630   M RES C SSSEQI                                                     
REMARK 630     RIT A   100                                                      
REMARK 630 SOURCE: NULL                                                         
REMARK 630 TAXONOMY: NULL                                                       
REMARK 630 SUBCOMP:    013 015 VAL 019                                          
REMARK 630 DETAILS: NULL                                                        
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RIT A 100                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DMS B 100                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DMS A 101                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DMS B 101                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 102                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 102                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 103                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA B 104                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 103                  
DBREF  3NDW A    1    99  UNP    Q7SSI0   Q7SSI0_9HIV1     1     99             
DBREF  3NDW B    1    99  UNP    Q7SSI0   Q7SSI0_9HIV1     1     99             
SEQADV 3NDW LYS A    7  UNP  Q7SSI0    GLN     7 ENGINEERED MUTATION            
SEQADV 3NDW ILE A   33  UNP  Q7SSI0    LEU    33 ENGINEERED MUTATION            
SEQADV 3NDW ILE A   63  UNP  Q7SSI0    LEU    63 ENGINEERED MUTATION            
SEQADV 3NDW ALA A   67  UNP  Q7SSI0    CYS    67 ENGINEERED MUTATION            
SEQADV 3NDW ALA A   95  UNP  Q7SSI0    SER    95 ENGINEERED MUTATION            
SEQADV 3NDW LYS B    7  UNP  Q7SSI0    GLN     7 ENGINEERED MUTATION            
SEQADV 3NDW ILE B   33  UNP  Q7SSI0    LEU    33 ENGINEERED MUTATION            
SEQADV 3NDW ILE B   63  UNP  Q7SSI0    LEU    63 ENGINEERED MUTATION            
SEQADV 3NDW ALA B   67  UNP  Q7SSI0    CYS    67 ENGINEERED MUTATION            
SEQADV 3NDW ALA B   95  UNP  Q7SSI0    SER    95 ENGINEERED MUTATION            
SEQRES   1 A   99  PRO GLN ILE THR LEU TRP LYS ARG PRO LEU VAL THR ILE          
SEQRES   2 A   99  LYS ILE GLY GLY GLN LEU LYS GLU ALA LEU LEU ASP THR          
SEQRES   3 A   99  GLY ALA ASP ASP THR VAL ILE GLU GLU MET SER LEU PRO          
SEQRES   4 A   99  GLY ARG TRP LYS PRO LYS MET ILE GLY GLY ILE GLY GLY          
SEQRES   5 A   99  PHE ILE LYS VAL ARG GLN TYR ASP GLN ILE ILE ILE GLU          
SEQRES   6 A   99  ILE ALA GLY HIS LYS ALA ILE GLY THR VAL LEU VAL GLY          
SEQRES   7 A   99  PRO THR PRO VAL ASN ILE ILE GLY ARG ASN LEU LEU THR          
SEQRES   8 A   99  GLN ILE GLY ALA THR LEU ASN PHE                              
SEQRES   1 B   99  PRO GLN ILE THR LEU TRP LYS ARG PRO LEU VAL THR ILE          
SEQRES   2 B   99  LYS ILE GLY GLY GLN LEU LYS GLU ALA LEU LEU ASP THR          
SEQRES   3 B   99  GLY ALA ASP ASP THR VAL ILE GLU GLU MET SER LEU PRO          
SEQRES   4 B   99  GLY ARG TRP LYS PRO LYS MET ILE GLY GLY ILE GLY GLY          
SEQRES   5 B   99  PHE ILE LYS VAL ARG GLN TYR ASP GLN ILE ILE ILE GLU          
SEQRES   6 B   99  ILE ALA GLY HIS LYS ALA ILE GLY THR VAL LEU VAL GLY          
SEQRES   7 B   99  PRO THR PRO VAL ASN ILE ILE GLY ARG ASN LEU LEU THR          
SEQRES   8 B   99  GLN ILE GLY ALA THR LEU ASN PHE                              
HET    RIT  A 100      59                                                       
HET    DMS  A 101       4                                                       
HET    SO4  A 102       5                                                       
HET     NA  A 103       1                                                       
HET    DMS  B 100       4                                                       
HET    DMS  B 101       4                                                       
HET    SO4  B 102       5                                                       
HET    ACT  B 103       4                                                       
HET     NA  B 104       1                                                       
HETNAM     RIT RITONAVIR                                                        
HETNAM     DMS DIMETHYL SULFOXIDE                                               
HETNAM     SO4 SULFATE ION                                                      
HETNAM      NA SODIUM ION                                                       
HETNAM     ACT ACETATE ION                                                      
HETSYN     RIT A-84538                                                          
FORMUL   3  RIT    C37 H48 N6 O5 S2                                             
FORMUL   4  DMS    3(C2 H6 O S)                                                 
FORMUL   5  SO4    2(O4 S 2-)                                                   
FORMUL   6   NA    2(NA 1+)                                                     
FORMUL  10  ACT    C2 H3 O2 1-                                                  
FORMUL  12  HOH   *234(H2 O)                                                    
HELIX    1   1 GLY A   86  THR A   91  1                                   6    
HELIX    2   2 GLY B   86  THR B   91  1                                   6    
SHEET    1   A 4 GLN A   2  ILE A   3  0                                        
SHEET    2   A 4 THR B  96  ASN B  98 -1  O  LEU B  97   N  ILE A   3           
SHEET    3   A 4 THR A  96  ASN A  98 -1  N  THR A  96   O  ASN B  98           
SHEET    4   A 4 GLN B   2  ILE B   3 -1  O  ILE B   3   N  LEU A  97           
SHEET    1   B 8 LYS A  43  GLY A  49  0                                        
SHEET    2   B 8 GLY A  52  ILE A  66 -1  O  GLN A  58   N  LYS A  43           
SHEET    3   B 8 HIS A  69  GLY A  78 -1  O  HIS A  69   N  ILE A  66           
SHEET    4   B 8 VAL A  32  GLU A  34  1  N  ILE A  33   O  LEU A  76           
SHEET    5   B 8 ASN A  83  ILE A  85 -1  O  ILE A  84   N  VAL A  32           
SHEET    6   B 8 GLN A  18  LEU A  24  1  N  LEU A  23   O  ASN A  83           
SHEET    7   B 8 LEU A  10  ILE A  15 -1  N  ILE A  13   O  LYS A  20           
SHEET    8   B 8 GLY A  52  ILE A  66 -1  O  GLU A  65   N  LYS A  14           
SHEET    1   C 8 LYS B  43  GLY B  49  0                                        
SHEET    2   C 8 GLY B  52  ILE B  66 -1  O  GLN B  58   N  LYS B  43           
SHEET    3   C 8 HIS B  69  VAL B  77 -1  O  HIS B  69   N  ILE B  66           
SHEET    4   C 8 VAL B  32  ILE B  33  1  N  ILE B  33   O  LEU B  76           
SHEET    5   C 8 ILE B  84  ILE B  85 -1  O  ILE B  84   N  VAL B  32           
SHEET    6   C 8 GLN B  18  LEU B  24  1  N  LEU B  23   O  ILE B  85           
SHEET    7   C 8 LEU B  10  ILE B  15 -1  N  ILE B  13   O  LYS B  20           
SHEET    8   C 8 GLY B  52  ILE B  66 -1  O  GLU B  65   N  LYS B  14           
LINK         OE1 GLU A  21                NA    NA A 103     1555   1555  3.14  
SITE     1 AC1 22 ARG A   8  ASP A  25  GLY A  27  ALA A  28                    
SITE     2 AC1 22 ASP A  29  ASP A  30  GLY A  48  GLY A  49                    
SITE     3 AC1 22 ILE A  50  PRO A  81  HOH A 131  HOH A 176                    
SITE     4 AC1 22 HOH A 213  ASP B  25  GLY B  27  ALA B  28                    
SITE     5 AC1 22 ASP B  29  ILE B  47  GLY B  48  GLY B  49                    
SITE     6 AC1 22 ILE B  50  VAL B  82                                          
SITE     1 AC2  7 GLY A  17  LYS B  14  ILE B  15  GLY B  16                    
SITE     2 AC2  7 GLY B  17  ILE B  63  GLU B  65                               
SITE     1 AC3  4 GLU A  34  THR A  80  PRO A  81  VAL A  82                    
SITE     1 AC4  5 PRO B   1  ARG B  57  HIS B  69  HOH B 109                    
SITE     2 AC4  5 HOH B 268                                                     
SITE     1 AC5  6 PRO A  39  GLY A  40  HOH A 123  HOH A 227                    
SITE     2 AC5  6 SER B  37  HOH B 147                                          
SITE     1 AC6  6 PRO A   1  LYS A  55  HOH A 214  HIS B  69                    
SITE     2 AC6  6 LYS B  70  HOH B 248                                          
SITE     1 AC7  4 THR B  12  TRP B  42  HOH B 304  HOH B 309                    
SITE     1 AC8  1 ARG B   8                                                     
SITE     1 AC9  2 THR A  12  GLU A  21                                          
CRYST1   51.254   58.793   61.334  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.019511  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017009  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016304        0.00000