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Database: PDB
Entry: 3IVH
LinkDB: 3IVH
Original site: 3IVH 
HEADER    HYDROLASE                               01-SEP-09   3IVH              
TITLE     DESIGN AND SYNTHESIS OF POTENT BACE-1 INHIBITORS WITH CELLULAR        
TITLE    2 ACTIVITY: STRUCTURE-ACTIVITY RELATIONSHIP OF P1 SUBSTITUENTS         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BETA-SECRETASE 1;                                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: BETA-SITE AMYLOID PRECURSOR PROTEIN CLEAVING ENZYME 1, BETA-
COMPND   5 SITE APP CLEAVING ENZYME 1, MEMBRANE-ASSOCIATED ASPARTIC PROTEASE 2, 
COMPND   6 MEMAPSIN-2, ASPARTYL PROTEASE 2, ASP 2, ASP2;                        
COMPND   7 EC: 3.4.23.46;                                                       
COMPND   8 ENGINEERED: 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, KIAA1149;                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PQE70                                     
KEYWDS    ASPARTYL PROTEASE, BACE-1 INHIBITORS, ALZHEIMER'S DISEASE, STRUCTURE- 
KEYWDS   2 BASED DRUG DESIGN, DISULFIDE BOND, GLYCOPROTEIN, HYDROLASE,          
KEYWDS   3 MEMBRANE, PROTEASE, TRANSMEMBRANE, ZYMOGEN                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.PAN                                                                 
REVDAT   2   13-JUL-11 3IVH    1       VERSN                                    
REVDAT   1   05-JAN-10 3IVH    0                                                
JRNL        AUTH   J.M.SEALY,A.P.TRUONG,L.TSO,G.D.PROBST,J.AQUINO,R.K.HOM,      
JRNL        AUTH 2 B.M.JAGODZINSKA,D.DRESSEN,D.W.WONE,L.BROGLEY,V.JOHN,         
JRNL        AUTH 3 J.S.TUNG,M.A.PLEISS,J.A.TUCKER,A.W.KONRADI,M.S.DAPPEN,       
JRNL        AUTH 4 G.TOTH,H.PAN,L.RUSLIM,J.MILLER,M.P.BOVA,S.SINHA,K.P.QUINN,   
JRNL        AUTH 5 J.M.SAUER                                                    
JRNL        TITL   DESIGN AND SYNTHESIS OF CELL POTENT BACE-1 INHIBITORS:       
JRNL        TITL 2 STRUCTURE-ACTIVITY RELATIONSHIP OF P1' SUBSTITUENTS.         
JRNL        REF    BIOORG.MED.CHEM.LETT.         V.  19  6386 2009              
JRNL        REFN                   ISSN 0960-894X                               
JRNL        PMID   19811916                                                     
JRNL        DOI    10.1016/J.BMCL.2009.09.061                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.25                                        
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 30386                          
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) : 0.208                           
REMARK   3   R VALUE            (WORKING SET) : 0.206                           
REMARK   3   FREE R VALUE                     : 0.249                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1596                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2323                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2660                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 127                          
REMARK   3   BIN FREE R VALUE                    : 0.3040                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2980                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 34                                      
REMARK   3   SOLVENT ATOMS            : 249                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.95000                                             
REMARK   3    B22 (A**2) : 0.61000                                              
REMARK   3    B33 (A**2) : 1.24000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.54000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.168         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.153         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.128         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.419         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.950                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.926                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  NULL ;  NULL ;  NULL       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 3                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    59        A   219                          
REMARK   3    RESIDUE RANGE :   A   224        A   372                          
REMARK   3    RESIDUE RANGE :   A   379        A   447                          
REMARK   3    ORIGIN FOR THE GROUP (A):  15.8990  -0.1960  10.1320              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0773 T22:   0.0775                                     
REMARK   3      T33:   0.0042 T12:   0.0090                                     
REMARK   3      T13:   0.0180 T23:   0.0008                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.0064 L22:   1.3624                                     
REMARK   3      L33:   0.2533 L12:   1.1264                                     
REMARK   3      L13:   0.5428 L23:   0.5030                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0894 S12:   0.0401 S13:  -0.0534                       
REMARK   3      S21:   0.1492 S22:  -0.0437 S23:   0.0165                       
REMARK   3      S31:   0.0244 S32:  -0.0214 S33:  -0.0458                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3IVH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-SEP-09.                  
REMARK 100 THE RCSB ID CODE IS RCSB054915.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-SEP-04                          
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : 4.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.3.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.11587                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30386                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
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) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.85                     
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: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.63                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM ACETATE PH 4.5, 20%         
REMARK 280  PEG200 COMPOUND WAS ADDED TO GIVE A FINAL MOLAR ACCESS OF           
REMARK 280  COMPOUND:PROTEIN OF 2.5:1, VAPOR DIFFUSION, SITTING DROP,           
REMARK 280  TEMPERATURE 289K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       36.46200            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       52.59050            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       36.46200            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       52.59050            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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    56                                                      
REMARK 465     ARG A    57                                                      
REMARK 465     GLY A    58                                                      
REMARK 465     PHE A   220                                                      
REMARK 465     PRO A   221                                                      
REMARK 465     LEU A   222                                                      
REMARK 465     ASN A   223                                                      
REMARK 465     VAL A   373                                                      
REMARK 465     ALA A   374                                                      
REMARK 465     THR A   375                                                      
REMARK 465     SER A   376                                                      
REMARK 465     GLN A   377                                                      
REMARK 465     ASP A   378                                                      
REMARK 465     PRO A   448                                                      
REMARK 465     GLN A   449                                                      
REMARK 465     THR A   450                                                      
REMARK 465     ASP A   451                                                      
REMARK 465     GLU A   452                                                      
REMARK 465     SER A   453                                                      
REMARK 465     ARG A   454                                                      
REMARK 465     SER A   455                                                      
REMARK 465     HIS A   456                                                      
REMARK 465     HIS A   457                                                      
REMARK 465     HIS A   458                                                      
REMARK 465     HIS A   459                                                      
REMARK 465     HIS A   460                                                      
REMARK 465     HIS A   461                                                      
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    ASP A 442   CB  -  CG  -  OD2 ANGL. DEV. =   5.5 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    PHE A  60      133.98   -178.04                                   
REMARK 500    TYR A 132     -159.56    -95.96                                   
REMARK 500    PHE A 169      -62.35    -97.85                                   
REMARK 500    SER A 225     -111.88     64.12                                   
REMARK 500    TRP A 258      -74.38   -148.46                                   
REMARK 500    ASP A 284      -89.40     84.65                                   
REMARK 500    ASN A 354       -0.83     80.73                                   
REMARK 500    ALA A 384       30.43    -95.09                                   
REMARK 500    HIS A 423      -73.45    -55.67                                   
REMARK 500    ASP A 424      151.84     67.51                                   
REMARK 500    ASP A 439      127.37     84.06                                   
REMARK 500    MET A 440      -31.08   -145.05                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 TYR A  283     ASP A  284                 -145.72                    
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 1LI A 1                   
DBREF  3IVH A   57   453  UNP    P56817   BACE1_HUMAN     57    453             
SEQADV 3IVH MET A   56  UNP  P56817              EXPRESSION TAG                 
SEQADV 3IVH ARG A  454  UNP  P56817              EXPRESSION TAG                 
SEQADV 3IVH SER A  455  UNP  P56817              EXPRESSION TAG                 
SEQADV 3IVH HIS A  456  UNP  P56817              EXPRESSION TAG                 
SEQADV 3IVH HIS A  457  UNP  P56817              EXPRESSION TAG                 
SEQADV 3IVH HIS A  458  UNP  P56817              EXPRESSION TAG                 
SEQADV 3IVH HIS A  459  UNP  P56817              EXPRESSION TAG                 
SEQADV 3IVH HIS A  460  UNP  P56817              EXPRESSION TAG                 
SEQADV 3IVH HIS A  461  UNP  P56817              EXPRESSION TAG                 
SEQRES   1 A  406  MET ARG GLY SER PHE VAL GLU MET VAL ASP ASN LEU ARG          
SEQRES   2 A  406  GLY LYS SER GLY GLN GLY TYR TYR VAL GLU MET THR VAL          
SEQRES   3 A  406  GLY SER PRO PRO GLN THR LEU ASN ILE LEU VAL ASP THR          
SEQRES   4 A  406  GLY SER SER ASN PHE ALA VAL GLY ALA ALA PRO HIS PRO          
SEQRES   5 A  406  PHE LEU HIS ARG TYR TYR GLN ARG GLN LEU SER SER THR          
SEQRES   6 A  406  TYR ARG ASP LEU ARG LYS GLY VAL TYR VAL PRO TYR THR          
SEQRES   7 A  406  GLN GLY LYS TRP GLU GLY GLU LEU GLY THR ASP LEU VAL          
SEQRES   8 A  406  SER ILE PRO HIS GLY PRO ASN VAL THR VAL ARG ALA ASN          
SEQRES   9 A  406  ILE ALA ALA ILE THR GLU SER ASP LYS PHE PHE ILE ASN          
SEQRES  10 A  406  GLY SER ASN TRP GLU GLY ILE LEU GLY LEU ALA TYR ALA          
SEQRES  11 A  406  GLU ILE ALA ARG PRO ASP ASP SER LEU GLU PRO PHE PHE          
SEQRES  12 A  406  ASP SER LEU VAL LYS GLN THR HIS VAL PRO ASN LEU PHE          
SEQRES  13 A  406  SER LEU GLN LEU CYS GLY ALA GLY PHE PRO LEU ASN GLN          
SEQRES  14 A  406  SER GLU VAL LEU ALA SER VAL GLY GLY SER MET ILE ILE          
SEQRES  15 A  406  GLY GLY ILE ASP HIS SER LEU TYR THR GLY SER LEU TRP          
SEQRES  16 A  406  TYR THR PRO ILE ARG ARG GLU TRP TYR TYR GLU VAL ILE          
SEQRES  17 A  406  ILE VAL ARG VAL GLU ILE ASN GLY GLN ASP LEU LYS MET          
SEQRES  18 A  406  ASP CYS LYS GLU TYR ASN TYR ASP LYS SER ILE VAL ASP          
SEQRES  19 A  406  SER GLY THR THR ASN LEU ARG LEU PRO LYS LYS VAL PHE          
SEQRES  20 A  406  GLU ALA ALA VAL LYS SER ILE LYS ALA ALA SER SER THR          
SEQRES  21 A  406  GLU LYS PHE PRO ASP GLY PHE TRP LEU GLY GLU GLN LEU          
SEQRES  22 A  406  VAL CYS TRP GLN ALA GLY THR THR PRO TRP ASN ILE PHE          
SEQRES  23 A  406  PRO VAL ILE SER LEU TYR LEU MET GLY GLU VAL THR ASN          
SEQRES  24 A  406  GLN SER PHE ARG ILE THR ILE LEU PRO GLN GLN TYR LEU          
SEQRES  25 A  406  ARG PRO VAL GLU ASP VAL ALA THR SER GLN ASP ASP CYS          
SEQRES  26 A  406  TYR LYS PHE ALA ILE SER GLN SER SER THR GLY THR VAL          
SEQRES  27 A  406  MET GLY ALA VAL ILE MET GLU GLY PHE TYR VAL VAL PHE          
SEQRES  28 A  406  ASP ARG ALA ARG LYS ARG ILE GLY PHE ALA VAL SER ALA          
SEQRES  29 A  406  CYS HIS VAL HIS ASP GLU PHE ARG THR ALA ALA VAL GLU          
SEQRES  30 A  406  GLY PRO PHE VAL THR LEU ASP MET GLU ASP CYS GLY TYR          
SEQRES  31 A  406  ASN ILE PRO GLN THR ASP GLU SER ARG SER HIS HIS HIS          
SEQRES  32 A  406  HIS HIS HIS                                                  
HET    1LI  A   1      34                                                       
HETNAM     1LI N-[(1S,2R)-3-{[1-(3-TERT-BUTYLPHENYL)CYCLOHEXYL]AMINO}-          
HETNAM   2 1LI  1-(3,5-DIFLUOROBENZYL)-2-HYDROXYPROPYL]ACETAMIDE                
FORMUL   2  1LI    C28 H38 F2 N2 O2                                             
FORMUL   3  HOH   *249(H2 O)                                                    
HELIX    1   1 PHE A   60  VAL A   64  5                                   5    
HELIX    2   2 GLN A  114  SER A  118  5                                   5    
HELIX    3   3 TYR A  184  ALA A  188  5                                   5    
HELIX    4   4 PRO A  196  THR A  205  1                                  10    
HELIX    5   5 ASP A  241  SER A  243  5                                   3    
HELIX    6   6 ASP A  277  TYR A  281  5                                   5    
HELIX    7   7 LYS A  299  SER A  313  1                                  15    
HELIX    8   8 PRO A  319  LEU A  324  1                                   6    
HELIX    9   9 PRO A  337  PHE A  341  5                                   5    
HELIX   10  10 LEU A  362  TYR A  366  1                                   5    
HELIX   11  11 GLY A  395  GLU A  400  1                                   6    
HELIX   12  12 MET A  440  GLY A  444  5                                   5    
SHEET    1   A 9 ARG A 122  PRO A 131  0                                        
SHEET    2   A 9 LYS A 136  SER A 147 -1  O  GLY A 139   N  VAL A 128           
SHEET    3   A 9 TYR A  75  VAL A  81 -1  N  THR A  80   O  SER A 147           
SHEET    4   A 9 LEU A  67  LYS A  70 -1  N  ARG A  68   O  TYR A  76           
SHEET    5   A 9 SER A 230  ILE A 237 -1  O  VAL A 231   N  GLY A  69           
SHEET    6   A 9 PHE A 211  LEU A 215 -1  N  GLN A 214   O  SER A 234           
SHEET    7   A 9 PHE A 402  ASP A 407 -1  O  PHE A 406   N  PHE A 211           
SHEET    8   A 9 ARG A 412  SER A 418 -1  O  ALA A 416   N  TYR A 403           
SHEET    9   A 9 TYR A 245  PRO A 253 -1  N  THR A 252   O  ILE A 413           
SHEET    1   B13 ARG A 122  PRO A 131  0                                        
SHEET    2   B13 LYS A 136  SER A 147 -1  O  GLY A 139   N  VAL A 128           
SHEET    3   B13 VAL A 156  ASP A 167 -1  O  ILE A 160   N  GLY A 142           
SHEET    4   B13 PHE A  99  GLY A 102  1  N  VAL A 101   O  ILE A 163           
SHEET    5   B13 GLY A 178  GLY A 181 -1  O  ILE A 179   N  ALA A 100           
SHEET    6   B13 GLN A  86  ASP A  93  1  N  LEU A  91   O  LEU A 180           
SHEET    7   B13 TYR A  75  VAL A  81 -1  N  VAL A  77   O  ILE A  90           
SHEET    8   B13 LEU A  67  LYS A  70 -1  N  ARG A  68   O  TYR A  76           
SHEET    9   B13 SER A 230  ILE A 237 -1  O  VAL A 231   N  GLY A  69           
SHEET   10   B13 PHE A 211  LEU A 215 -1  N  GLN A 214   O  SER A 234           
SHEET   11   B13 PHE A 402  ASP A 407 -1  O  PHE A 406   N  PHE A 211           
SHEET   12   B13 ARG A 412  SER A 418 -1  O  ALA A 416   N  TYR A 403           
SHEET   13   B13 TYR A 245  PRO A 253 -1  N  THR A 252   O  ILE A 413           
SHEET    1   C 5 GLU A 261  VAL A 262  0                                        
SHEET    2   C 5 SER A 286  VAL A 288 -1  O  SER A 286   N  VAL A 262           
SHEET    3   C 5 THR A 392  MET A 394  1  O  MET A 394   N  ILE A 287           
SHEET    4   C 5 LEU A 295  PRO A 298 -1  N  ARG A 296   O  VAL A 393           
SHEET    5   C 5 ILE A 385  SER A 388  1  O  SER A 386   N  LEU A 297           
SHEET    1   D 5 GLN A 272  ASP A 273  0                                        
SHEET    2   D 5 ILE A 264  ILE A 269 -1  N  ILE A 269   O  GLN A 272           
SHEET    3   D 5 ILE A 344  MET A 349 -1  O  TYR A 347   N  ARG A 266           
SHEET    4   D 5 GLN A 355  ILE A 361 -1  O  ILE A 361   N  ILE A 344           
SHEET    5   D 5 ALA A 430  VAL A 436 -1  O  GLU A 432   N  ARG A 358           
SHEET    1   E 3 VAL A 329  CYS A 330  0                                        
SHEET    2   E 3 CYS A 380  PHE A 383 -1  O  TYR A 381   N  VAL A 329           
SHEET    3   E 3 LEU A 367  VAL A 370 -1  N  ARG A 368   O  LYS A 382           
SSBOND   1 CYS A  216    CYS A  420                          1555   1555  2.18  
SSBOND   2 CYS A  278    CYS A  443                          1555   1555  2.20  
SSBOND   3 CYS A  330    CYS A  380                          1555   1555  2.51  
CISPEP   1 SER A   83    PRO A   84          0        -0.27                     
CISPEP   2 ARG A  189    PRO A  190          0         0.15                     
CISPEP   3 GLY A  433    PRO A  434          0        -1.02                     
SITE     1 AC1 17 HOH A  11  LEU A  91  ASP A  93  GLY A  95                    
SITE     2 AC1 17 SER A  96  PRO A 131  TYR A 132  THR A 133                    
SITE     3 AC1 17 GLY A 135  PHE A 169  ILE A 171  TRP A 176                    
SITE     4 AC1 17 TYR A 259  ILE A 287  ASP A 289  GLY A 291                    
SITE     5 AC1 17 THR A 292                                                     
CRYST1   72.924  105.181   51.029  90.00  95.25  90.00 C 1 2 1       4          
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      0.013713  0.000000  0.001261        0.00000                         
SCALE2      0.000000  0.009507  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019679        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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