PDB Short entry for 2NTR
HEADER    HYDROLASE                               08-NOV-06   2NTR              
TITLE     CRYSTAL STRUCTURE OF HUMAN BACE-1 BOUND TO INHIBITOR                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BETA-SECRETASE 1;                                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: PROTEASE DOMAIN;                                           
COMPND   5 SYNONYM: BETA-SITE APP CLEAVING ENZYME 1, BETA-SITE AMYLOID PRECURSOR
COMPND   6 PROTEIN CLEAVING ENZYME 1, MEMBRANE-ASSOCIATED ASPARTIC PROTEASE 2,  
COMPND   7 MEMAPSIN-2, ASPARTYL PROTEASE 2, ASP 2, ASP2;                        
COMPND   8 EC: 3.4.23.46;                                                       
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: BACE1, BACE;                                                   
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET11A                                    
KEYWDS    BACE, ASPARTYL PROTEASE, HYDROLASE                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.MUNSHI                                                              
REVDAT   4   30-AUG-23 2NTR    1       REMARK                                   
REVDAT   3   20-OCT-21 2NTR    1       COMPND REMARK SEQADV HETNAM              
REVDAT   3 2                   1       HETSYN                                   
REVDAT   2   24-FEB-09 2NTR    1       VERSN                                    
REVDAT   1   13-NOV-07 2NTR    0                                                
JRNL        AUTH   G.B.MCGAUGHEY,D.COLUSSI,S.L.GRAHAM,M.T.LAI,S.K.MUNSHI,       
JRNL        AUTH 2 P.G.NANTERMET,B.PIETRAK,H.A.RAJAPAKSE,H.G.SELNICK,           
JRNL        AUTH 3 S.R.STAUFFER,M.K.HOLLOWAY                                    
JRNL        TITL   BETA-SECRETASE (BACE-1) INHIBITORS: ACCOUNTING FOR 10S LOOP  
JRNL        TITL 2 FLEXIBILITY USING RIGID ACTIVE SITES.                        
JRNL        REF    BIOORG.MED.CHEM.LETT.         V.  17  1117 2007              
JRNL        REFN                   ISSN 0960-894X                               
JRNL        PMID   17112725                                                     
JRNL        DOI    10.1016/J.BMCL.2006.11.003                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNX 2000.1                                           
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN,MOLECULAR                  
REMARK   3               : SIMULATIONS (BADGER,BERARD,KUMAR,SZALMA,             
REMARK   3               : YIP,DZAKULA)                                         
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 667514.290                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 90.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 42536                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.228                           
REMARK   3   R VALUE            (WORKING SET) : 0.228                           
REMARK   3   FREE R VALUE                     : 0.257                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 4298                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.004                           
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE     (WORKING + TEST SET, NO CUTOFF) : NULL                 
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   ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : NULL                 
REMARK   3   TOTAL NUMBER OF REFLECTIONS     (NO CUTOFF) : NULL                 
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.91                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 82.10                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 5743                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3210                       
REMARK   3   BIN FREE R VALUE                    : 0.3550                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.90                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 632                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.014                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2979                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 38                                      
REMARK   3   SOLVENT ATOMS            : 211                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 20.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 27.70                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -3.50000                                             
REMARK   3    B22 (A**2) : 9.34000                                              
REMARK   3    B33 (A**2) : -5.83000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.22                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.21                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.25                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.23                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.700                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.40                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.500                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2NTR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-NOV-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000040291.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-MAY-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU300                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 46559                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.750                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.9                               
REMARK 200  DATA REDUNDANCY                : 4.500                              
REMARK 200  R MERGE                    (I) : 0.08300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.81                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.94600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNX 2000.1                                            
REMARK 200 STARTING MODEL: PDB ENTRY 1TQF                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.49                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.5M LITHIUM SULFATE, 0.1M HEPES         
REMARK 280  BUFFER, PH 7.5. CRYSTALS WERE GROWN WITH L124671, AND L304507       
REMARK 280  WAS BACK SOAK, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       38.23050            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       38.23050            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       51.96100            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       64.08800            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       51.96100            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       64.08800            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       38.23050            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       51.96100            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       64.08800            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       38.23050            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       51.96100            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       64.08800            
REMARK 290   SMTRY3   8  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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A    29P                                                     
REMARK 465     LEU A    30P                                                     
REMARK 465     PRO A    31P                                                     
REMARK 465     ARG A    32P                                                     
REMARK 465     GLU A    33P                                                     
REMARK 465     THR A    34P                                                     
REMARK 465     ASP A    35P                                                     
REMARK 465     GLU A    36P                                                     
REMARK 465     GLU A    37P                                                     
REMARK 465     PRO A    38P                                                     
REMARK 465     GLU A    39P                                                     
REMARK 465     GLU A    40P                                                     
REMARK 465     PRO A    41P                                                     
REMARK 465     GLY A    42P                                                     
REMARK 465     GLY A   158                                                      
REMARK 465     PHE A   159                                                      
REMARK 465     PRO A   160                                                      
REMARK 465     LEU A   161                                                      
REMARK 465     ASN A   162                                                      
REMARK 465     GLN A   163                                                      
REMARK 465     SER A   164                                                      
REMARK 465     GLU A   165                                                      
REMARK 465     VAL A   166                                                      
REMARK 465     LEU A   167                                                      
REMARK 465     ALA A   168                                                      
REMARK 465     SER A   169                                                      
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    LEU A 234   N   -  CA  -  C   ANGL. DEV. = -16.4 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ARG A  44P    -175.53    -66.66                                   
REMARK 500    PHE A 108      -64.07   -105.72                                   
REMARK 500    ASP A 131        4.54    -69.75                                   
REMARK 500    LEU A 149      148.17   -171.05                                   
REMARK 500    TRP A 197      -84.53   -145.16                                   
REMARK 500    ASP A 223      -72.58     98.84                                   
REMARK 500    GLU A 310       94.33     -3.70                                   
REMARK 500    ALA A 313       71.45    174.65                                   
REMARK 500    ALA A 323       30.04    -95.44                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE L00 A 401                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1TQF   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN BETA SECRETASE COMPLEXED WITH INHIBITOR   
REMARK 900 RELATED ID: 2B8V   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN BETA-SECRETASE COMPLEXED WITH INHIBITOR   
REMARK 900 RELATED ID: 2IRZ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN BETA-SECRETASE COMPLEXED WITH INHIBITOR   
REMARK 900 RELATED ID: 2IS0   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN BETA-SECRETASE COMPLEXED WITH INHIBITOR   
DBREF  2NTR A   30P  385  UNP    P56817   BACE1_HUMAN     43    446             
SEQADV 2NTR MET A   29P UNP  P56817              INITIATING METHIONINE          
SEQADV 2NTR ALA A   75  UNP  P56817    LYS   136 ENGINEERED MUTATION            
SEQADV 2NTR ALA A   77  UNP  P56817    GLU   138 ENGINEERED MUTATION            
SEQRES   1 A  405  MET LEU PRO ARG GLU THR ASP GLU GLU PRO GLU GLU PRO          
SEQRES   2 A  405  GLY ARG ARG GLY SER PHE VAL GLU MET VAL ASP ASN LEU          
SEQRES   3 A  405  ARG GLY LYS SER GLY GLN GLY TYR TYR VAL GLU MET THR          
SEQRES   4 A  405  VAL GLY SER PRO PRO GLN THR LEU ASN ILE LEU VAL ASP          
SEQRES   5 A  405  THR GLY SER SER ASN PHE ALA VAL GLY ALA ALA PRO HIS          
SEQRES   6 A  405  PRO PHE LEU HIS ARG TYR TYR GLN ARG GLN LEU SER SER          
SEQRES   7 A  405  THR TYR ARG ASP LEU ARG LYS GLY VAL TYR VAL PRO TYR          
SEQRES   8 A  405  THR GLN GLY ALA TRP ALA GLY GLU LEU GLY THR ASP LEU          
SEQRES   9 A  405  VAL SER ILE PRO HIS GLY PRO ASN VAL THR VAL ARG ALA          
SEQRES  10 A  405  ASN ILE ALA ALA ILE THR GLU SER ASP LYS PHE PHE ILE          
SEQRES  11 A  405  ASN GLY SER ASN TRP GLU GLY ILE LEU GLY LEU ALA TYR          
SEQRES  12 A  405  ALA GLU ILE ALA ARG PRO ASP ASP SER LEU GLU PRO PHE          
SEQRES  13 A  405  PHE ASP SER LEU VAL LYS GLN THR HIS VAL PRO ASN LEU          
SEQRES  14 A  405  PHE SER LEU GLN LEU CYS GLY ALA GLY PHE PRO LEU ASN          
SEQRES  15 A  405  GLN SER GLU VAL LEU ALA SER VAL GLY GLY SER MET ILE          
SEQRES  16 A  405  ILE GLY GLY ILE ASP HIS SER LEU TYR THR GLY SER LEU          
SEQRES  17 A  405  TRP TYR THR PRO ILE ARG ARG GLU TRP TYR TYR GLU VAL          
SEQRES  18 A  405  ILE ILE VAL ARG VAL GLU ILE ASN GLY GLN ASP LEU LYS          
SEQRES  19 A  405  MET ASP CYS LYS GLU TYR ASN TYR ASP LYS SER ILE VAL          
SEQRES  20 A  405  ASP SER GLY THR THR ASN LEU ARG LEU PRO LYS LYS VAL          
SEQRES  21 A  405  PHE GLU ALA ALA VAL LYS SER ILE LYS ALA ALA SER SER          
SEQRES  22 A  405  THR GLU LYS PHE PRO ASP GLY PHE TRP LEU GLY GLU GLN          
SEQRES  23 A  405  LEU VAL CYS TRP GLN ALA GLY THR THR PRO TRP ASN ILE          
SEQRES  24 A  405  PHE PRO VAL ILE SER LEU TYR LEU MET GLY GLU VAL THR          
SEQRES  25 A  405  ASN GLN SER PHE ARG ILE THR ILE LEU PRO GLN GLN TYR          
SEQRES  26 A  405  LEU ARG PRO VAL GLU ASP VAL ALA THR SER GLN ASP ASP          
SEQRES  27 A  405  CYS TYR LYS PHE ALA ILE SER GLN SER SER THR GLY THR          
SEQRES  28 A  405  VAL MET GLY ALA VAL ILE MET GLU GLY PHE TYR VAL VAL          
SEQRES  29 A  405  PHE ASP ARG ALA ARG LYS ARG ILE GLY PHE ALA VAL SER          
SEQRES  30 A  405  ALA CYS HIS VAL HIS ASP GLU PHE ARG THR ALA ALA VAL          
SEQRES  31 A  405  GLU GLY PRO PHE VAL THR LEU ASP MET GLU ASP CYS GLY          
SEQRES  32 A  405  TYR ASN                                                      
HET    L00  A 401      38                                                       
HETNAM     L00 (2R)-2-(5-{3-CHLORO-6-((2-METHOXYETHYL){[(1S,2S)-2-              
HETNAM   2 L00  METHYLCYCLOPROPYL]METHYL}AMINO)-2-                              
HETNAM   3 L00  [METHYL(METHYLSULFONYL)AMINO]PYRID IN-4-YL}-1,3,4-              
HETNAM   4 L00  OXADIAZOL-2-YL)-1-PHENYLPROPAN-2-AMINE                          
HETSYN     L00 N-(4-{5-[(1R)-1-AMINO-1-METHYL-2-PHENYLETHYL]-1,3,4-             
HETSYN   2 L00  OXADIAZOL-2-YL}-3-CHLORO-6-[(2-METHOXYETHYL){[(1S,2S)-          
HETSYN   3 L00  2-METHYLCYCLO PROPYL]METHYL}AMINO]PYRIDIN-2-YL)-N-              
HETSYN   4 L00  METHYLMETHANESULFONAMIDE                                        
FORMUL   2  L00    C26 H35 CL N6 O4 S                                           
FORMUL   3  HOH   *211(H2 O)                                                    
HELIX    1   1 PHE A   47P VAL A    3  5                                   5    
HELIX    2   2 GLN A   53  SER A   57  5                                   5    
HELIX    3   3 TYR A  123  ALA A  127  5                                   5    
HELIX    4   4 PRO A  135  THR A  144  1                                  10    
HELIX    5   5 ASP A  180  SER A  182  5                                   3    
HELIX    6   6 ASP A  216  ASN A  221  1                                   6    
HELIX    7   7 LYS A  238  SER A  252  1                                  15    
HELIX    8   8 PRO A  258  LEU A  263  1                                   6    
HELIX    9   9 PRO A  276  PHE A  280  5                                   5    
HELIX   10  10 LEU A  301  TYR A  305  1                                   5    
HELIX   11  11 GLY A  334  GLU A  339  1                                   6    
HELIX   12  12 MET A  379  GLY A  383  5                                   5    
SHEET    1   A 9 ARG A  61  PRO A  70  0                                        
SHEET    2   A 9 ALA A  75  SER A  86 -1  O  LEU A  80   N  LYS A  65           
SHEET    3   A 9 GLY A  13  VAL A  20 -1  N  THR A  19   O  SER A  86           
SHEET    4   A 9 LEU A   6  LYS A   9 -1  N  ARG A   7   O  TYR A  15           
SHEET    5   A 9 GLY A 171  ILE A 176 -1  O  GLY A 172   N  LEU A   6           
SHEET    6   A 9 PHE A 150  LEU A 154 -1  N  GLN A 153   O  SER A 173           
SHEET    7   A 9 PHE A 341  ASP A 346 -1  O  VAL A 343   N  LEU A 152           
SHEET    8   A 9 ARG A 351  SER A 357 -1  O  ALA A 355   N  TYR A 342           
SHEET    9   A 9 TYR A 184  PRO A 192 -1  N  THR A 191   O  ILE A 352           
SHEET    1   B13 ARG A  61  PRO A  70  0                                        
SHEET    2   B13 ALA A  75  SER A  86 -1  O  LEU A  80   N  LYS A  65           
SHEET    3   B13 VAL A  95  ASP A 106 -1  O  ILE A  99   N  GLY A  81           
SHEET    4   B13 PHE A  38  GLY A  41  1  N  VAL A  40   O  ILE A 102           
SHEET    5   B13 GLY A 117  GLY A 120 -1  O  ILE A 118   N  ALA A  39           
SHEET    6   B13 GLN A  25  ASP A  32  1  N  LEU A  30   O  LEU A 119           
SHEET    7   B13 GLY A  13  VAL A  20 -1  N  VAL A  16   O  ILE A  29           
SHEET    8   B13 LEU A   6  LYS A   9 -1  N  ARG A   7   O  TYR A  15           
SHEET    9   B13 GLY A 171  ILE A 176 -1  O  GLY A 172   N  LEU A   6           
SHEET   10   B13 PHE A 150  LEU A 154 -1  N  GLN A 153   O  SER A 173           
SHEET   11   B13 PHE A 341  ASP A 346 -1  O  VAL A 343   N  LEU A 152           
SHEET   12   B13 ARG A 351  SER A 357 -1  O  ALA A 355   N  TYR A 342           
SHEET   13   B13 TYR A 184  PRO A 192 -1  N  THR A 191   O  ILE A 352           
SHEET    1   C 5 GLN A 211  ASP A 212  0                                        
SHEET    2   C 5 ILE A 203  ILE A 208 -1  N  ILE A 208   O  GLN A 211           
SHEET    3   C 5 ILE A 283  MET A 288 -1  O  TYR A 286   N  ARG A 205           
SHEET    4   C 5 GLN A 294  ILE A 300 -1  O  ILE A 300   N  ILE A 283           
SHEET    5   C 5 ALA A 369  VAL A 375 -1  O  ALA A 369   N  THR A 299           
SHEET    1   D 4 SER A 225  VAL A 227  0                                        
SHEET    2   D 4 THR A 331  MET A 333  1  O  MET A 333   N  ILE A 226           
SHEET    3   D 4 LEU A 234  PRO A 237 -1  N  ARG A 235   O  VAL A 332           
SHEET    4   D 4 ILE A 324  SER A 327  1  O  SER A 325   N  LEU A 236           
SHEET    1   E 3 VAL A 268  GLN A 271  0                                        
SHEET    2   E 3 ASP A 317  PHE A 322 -1  O  ASP A 318   N  TRP A 270           
SHEET    3   E 3 LEU A 306  PRO A 308 -1  N  ARG A 307   O  LYS A 321           
SSBOND   1 CYS A  155    CYS A  359                          1555   1555  2.03  
SSBOND   2 CYS A  217    CYS A  382                          1555   1555  2.03  
SSBOND   3 CYS A  269    CYS A  319                          1555   1555  2.03  
CISPEP   1 SER A   22    PRO A   23          0        -0.32                     
CISPEP   2 ARG A  128    PRO A  129          0        -0.02                     
CISPEP   3 GLY A  372    PRO A  373          0        -0.19                     
SITE     1 AC1 19 SER A  10  GLY A  11  GLN A  12  GLY A  13                    
SITE     2 AC1 19 LEU A  30  ASP A  32  GLY A  34  TYR A  71                    
SITE     3 AC1 19 THR A  72  GLN A  73  ILE A 110  ASP A 228                    
SITE     4 AC1 19 GLY A 230  THR A 231  THR A 232  ASN A 233                    
SITE     5 AC1 19 ARG A 235  SER A 325  HOH A 438                               
CRYST1  103.922  128.176   76.461  90.00  90.00  90.00 C 2 2 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      0.009623  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007802  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013079        0.00000