HEADER    HYDROLASE                               07-OCT-05   2B8L              
TITLE     CRYSTAL STRUCTURE OF HUMAN BETA SECRETASE COMPLEXED WITH INHIBITOR    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BETA-SECRETASE 1;                                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: PROTEASE DOMAIN (RESIDUES 43-446);                         
COMPND   5 SYNONYM: BETA-SITE APP CLEAVING ENZYME 1, BETA-SITE AMYLOID PRECURSOR
COMPND   6 PROTEIN CLEAVING ENZYME 1, ASPARTYL PROTEASE 2, ASP 2, ASP2,         
COMPND   7 MEMBRANE-ASSOCIATED ASPARTIC PROTEASE 2, MEMAPSIN-2;                 
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    ASPARTYL PROTEASE, BACE, HYDROLASE                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.K.MUNSHI,L.KUO                                                      
REVDAT   7   30-OCT-24 2B8L    1       REMARK                                   
REVDAT   6   23-AUG-23 2B8L    1       REMARK                                   
REVDAT   5   20-OCT-21 2B8L    1       REMARK SEQADV                            
REVDAT   4   24-FEB-09 2B8L    1       VERSN                                    
REVDAT   3   16-OCT-07 2B8L    1       TITLE                                    
REVDAT   2   17-JAN-06 2B8L    1       JRNL                                     
REVDAT   1   18-OCT-05 2B8L    0                                                
JRNL        AUTH   S.J.STACHEL,C.A.COBURN,T.G.STEELE,M.C.CROUTHAMEL,            
JRNL        AUTH 2 B.L.PIETRAK,M.T.LAI,M.K.HOLLOWAY,S.K.MUNSHI,S.L.GRAHAM,      
JRNL        AUTH 3 J.P.VACCA                                                    
JRNL        TITL   CONFORMATIONALLY BIASED P3 AMIDE REPLACEMENTS OF             
JRNL        TITL 2 BETA-SECRETASE INHIBITORS                                    
JRNL        REF    BIOORG.MED.CHEM.LETT.         V.  16   641 2006              
JRNL        REFN                   ISSN 0960-894X                               
JRNL        PMID   16263281                                                     
JRNL        DOI    10.1016/J.BMCL.2005.10.032                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNX                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN,ACCELRYS                   
REMARK   3               : SOFTWARE INC.(BADGER,BERARD,KUMAR,SZALMA,            
REMARK   3               : YIP,DZAKULA)                                         
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 622467.250                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 89.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 49022                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.230                           
REMARK   3   R VALUE            (WORKING SET) : 0.220                           
REMARK   3   FREE R VALUE                     : 0.252                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.200                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 4986                            
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) : 55011                
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) : 1.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.80                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 78.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 6382                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3840                       
REMARK   3   BIN FREE R VALUE                    : 0.3730                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.90                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 699                          
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          : 41                                      
REMARK   3   SOLVENT ATOMS            : 201                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 25.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 27.30                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -2.72000                                             
REMARK   3    B22 (A**2) : 8.27000                                              
REMARK   3    B33 (A**2) : -5.55000                                             
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) : 0.23                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.22                            
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) : 0.26                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.22                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.820                           
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  : L000384950.XPRM                                
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 2B8L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-OCT-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000034810.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 193                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
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          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 53390                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
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     (%) : 94.8                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : 0.06700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.8000                            
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: SAD                          
REMARK 200 SOFTWARE USED: CNX                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1TFQ                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.42                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.82                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.5M LITHIUM SULFATE, 0.1M HEPES         
REMARK 280  BUFFER, PH 7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K     
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       38.06100            
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       38.06100            
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       52.33900            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       63.95850            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       52.33900            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       63.95850            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       38.06100            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       52.33900            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       63.95850            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       38.06100            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       52.33900            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       63.95850            
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 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). SOME REPORTS INDICATE                  
REMARK 300 THAT THE BIOLOGICAL UNIT FOR THE PROTEIN IS A DIMER.                 
REMARK 300 HOWEVER, THE TRUNCATED BACE IS FULLY FUNCTIONAL AS A                 
REMARK 300 MONOMER IN SOLUTION.                                                 
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: 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    SER A  10       77.69     56.87                                   
REMARK 500    PHE A 108      -65.26   -103.85                                   
REMARK 500    ASP A 131        4.18    -69.56                                   
REMARK 500    TRP A 197      -82.18   -142.36                                   
REMARK 500    ASP A 223      -66.39     96.52                                   
REMARK 500    ALA A 272      122.72    -38.45                                   
REMARK 500    ASN A 293       18.23     55.81                                   
REMARK 500    GLU A 310      103.44    -17.74                                   
REMARK 500    ALA A 313       71.69    166.93                                   
REMARK 500    GLN A 316       30.54    -96.79                                   
REMARK 500    ALA A 323       32.25    -96.76                                   
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 5HA A 386                 
DBREF  2B8L A   30P  385  UNP    P56817   BACE1_HUMAN     43    446             
SEQADV 2B8L MET A   29P UNP  P56817              INITIATING METHIONINE          
SEQADV 2B8L ALA A   75  UNP  P56817    LYS   136 ENGINEERED MUTATION            
SEQADV 2B8L 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    5HA  A 386      41                                                       
HETNAM     5HA N-[(1S,2R)-1-BENZYL-3-(CYCLOPROPYLAMINO)-2-                      
HETNAM   2 5HA  HYDROXYPROPYL]-5-[METHYL(METHYLSULFONYL)AMINO]-N'-              
HETNAM   3 5HA  [(1R)-1-PHENYLETHYL]ISOPHTHALAMIDE                              
FORMUL   2  5HA    C31 H38 N4 O5 S                                              
FORMUL   3  HOH   *201(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 TYR A  14  VAL A  20 -1  N  THR A  19   O  SER A  86           
SHEET    4   A 9 LEU A   6  GLY A   8 -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  CYS A 155 -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 TYR A  14  VAL A  20 -1  N  VAL A  16   O  ILE A  29           
SHEET    8   B13 LEU A   6  GLY A   8 -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  CYS A 155 -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  GLU A 371   N  ARG A 297           
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        -0.35                     
CISPEP   2 ARG A  128    PRO A  129          0        -0.08                     
CISPEP   3 GLY A  372    PRO A  373          0        -0.11                     
SITE     1 AC1 23 GLY A  11  GLN A  12  GLY A  13  LEU A  30                    
SITE     2 AC1 23 ASP A  32  GLY A  34  SER A  35  TYR A  71                    
SITE     3 AC1 23 THR A  72  GLN A  73  PHE A 108  TRP A 115                    
SITE     4 AC1 23 TYR A 198  ILE A 226  ASP A 228  SER A 229                    
SITE     5 AC1 23 GLY A 230  THR A 231  THR A 232  ASN A 233                    
SITE     6 AC1 23 ARG A 235  SER A 325  ALA A 335                               
CRYST1  104.678  127.917   76.122  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      0.009553  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007818  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013137        0.00000