PDB Short entry for 1FKN
HEADER    HYDROLASE/HYDROLASE INHIBITOR           09-AUG-00   1FKN              
TITLE     STRUCTURE OF BETA-SECRETASE COMPLEXED WITH INHIBITOR                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MEMAPSIN 2;                                                
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: PROTEASE DOMAIN;                                           
COMPND   5 SYNONYM: BETA-SECRETASE;                                             
COMPND   6 EC: 3.4.23.46;                                                       
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: INHIBITOR;                                                 
COMPND  10 CHAIN: C, D;                                                         
COMPND  11 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET11A;                                   
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 SYNTHETIC: YES                                                       
KEYWDS    ALZHEIMER'S DISEASE, BETA-SECRETASE, MEMAPSIN 2, BASE, ASPARTIC       
KEYWDS   2 PROTEASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.HONG,G.KOELSCH,X.LIN,S.WU,S.TERZYAN,A.GHOSH,X.C.ZHANG,J.TANG        
REVDAT   7   15-NOV-23 1FKN    1       LINK   ATOM                              
REVDAT   6   13-JUL-11 1FKN    1       VERSN                                    
REVDAT   5   05-MAY-09 1FKN    1       ATOM   HETATM SEQRES DBREF               
REVDAT   5 2                   1       COMPND REMARK                            
REVDAT   4   24-FEB-09 1FKN    1       VERSN                                    
REVDAT   3   31-DEC-02 1FKN    1       REMARK                                   
REVDAT   2   01-NOV-00 1FKN    1       REMARK DBREF                             
REVDAT   1   09-OCT-00 1FKN    0                                                
JRNL        AUTH   L.HONG,G.KOELSCH,X.LIN,S.WU,S.TERZYAN,A.K.GHOSH,X.C.ZHANG,   
JRNL        AUTH 2 J.TANG                                                       
JRNL        TITL   STRUCTURE OF THE PROTEASE DOMAIN OF MEMAPSIN 2               
JRNL        TITL 2 (BETA-SECRETASE) COMPLEXED WITH INHIBITOR.                   
JRNL        REF    SCIENCE                       V. 290   150 2000              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   11021803                                                     
JRNL        DOI    10.1126/SCIENCE.290.5489.150                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.90                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 340489.220                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 90.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 69056                          
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 SET) : 0.180                           
REMARK   3   FREE R VALUE                     : 0.224                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 6748                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.003                           
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) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.02                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 59.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 6833                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2480                       
REMARK   3   BIN FREE R VALUE                    : 0.2740                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.10                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 771                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.010                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6254                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 529                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 25.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 12.96000                                             
REMARK   3    B22 (A**2) : -8.93000                                             
REMARK   3    B33 (A**2) : -4.03000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 7.73000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.19                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.17                            
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) : 0.24                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.19                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.014                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.800                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 26.10                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.120                           
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 : FLAT MODEL                                           
REMARK   3   KSOL        : 0.43                                                 
REMARK   3   BSOL        : 68.74                                                
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  : OM99.PARAM                                     
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   : OM99.TOP                                       
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1FKN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-AUG-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000011670.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-FEB-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 95                                 
REMARK 200  PH                             : 7.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
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                             
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 : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 69056                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 90.0                               
REMARK 200  DATA REDUNDANCY                : 2.000                              
REMARK 200  R MERGE                    (I) : 0.06100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 68.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.25000                            
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: NULL                         
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   (%): 55.59                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.77                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 22.5% PEG 8000, 0.1M NA-CACODYLATE,      
REMARK 280  0.2M AMMONIUM SULFATE, PH 7.4, VAPOR DIFFUSION, HANGING DROP,       
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       42.92650            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C                                  
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, D                                  
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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400                                                                      
REMARK 400 THE BETA-SECRETASE INHIBITOR OM99-2 IS PEPTIDE-LIKE, A MEMBER OF     
REMARK 400 INHIBITOR CLASS.                                                     
REMARK 400                                                                      
REMARK 400  GROUP: 1                                                            
REMARK 400   NAME: BETA-SECRETASE INHIBITOR OM99-2                              
REMARK 400   CHAIN: C, D                                                        
REMARK 400   COMPONENT_1: PEPTIDE LIKE POLYMER                                  
REMARK 400   DESCRIPTION: NULL                                                  
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     ARG B    43P                                                     
REMARK 465     ARG B    44P                                                     
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   CG2  THR B   314     N    SER B   315              1.44            
REMARK 500   CG2  THR B   314     O    SER B   315              1.69            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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. = -16.9 DEGREES          
REMARK 500    TYR B 222   CA  -  C   -  N   ANGL. DEV. = -13.5 DEGREES          
REMARK 500    TYR B 222   O   -  C   -  N   ANGL. DEV. =   9.7 DEGREES          
REMARK 500    ASP B 223   C   -  N   -  CA  ANGL. DEV. =  17.5 DEGREES          
REMARK 500    LEU B 234   N   -  CA  -  C   ANGL. DEV. = -16.6 DEGREES          
REMARK 500    THR B 314   CB  -  CA  -  C   ANGL. DEV. = -17.6 DEGREES          
REMARK 500    THR B 314   N   -  CA  -  C   ANGL. DEV. =  28.0 DEGREES          
REMARK 500    THR B 314   CA  -  C   -  O   ANGL. DEV. =  12.8 DEGREES          
REMARK 500    THR B 314   CA  -  C   -  N   ANGL. DEV. = -26.2 DEGREES          
REMARK 500    THR B 314   O   -  C   -  N   ANGL. DEV. =  13.3 DEGREES          
REMARK 500    SER B 315   C   -  N   -  CA  ANGL. DEV. =  24.6 DEGREES          
REMARK 500    GLU C   6   CA  -  C   -  N   ANGL. DEV. = -20.9 DEGREES          
REMARK 500    GLU C   6   O   -  C   -  N   ANGL. DEV. =  10.9 DEGREES          
REMARK 500    PHE C   7   C   -  N   -  CA  ANGL. DEV. =  27.0 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    HIS A  89       52.63    -97.93                                   
REMARK 500    PHE A 108      -60.30   -105.88                                   
REMARK 500    TRP A 197      -87.58   -141.62                                   
REMARK 500    TYR A 222       98.75    -59.48                                   
REMARK 500    ASP A 223      -19.04     97.80                                   
REMARK 500    LYS A 224      156.30    157.08                                   
REMARK 500    SER A 315     -171.78    -65.54                                   
REMARK 500    ALA A 323       36.09    -92.57                                   
REMARK 500    ASP A 363     -168.41   -129.42                                   
REMARK 500    ASP A 378       51.09     39.05                                   
REMARK 500    SER B  46P      77.36     77.51                                   
REMARK 500    PHE B  47P      45.26   -143.09                                   
REMARK 500    HIS B  89       50.55   -106.55                                   
REMARK 500    PHE B 108      -60.16   -101.91                                   
REMARK 500    ASN B 114        3.22     81.24                                   
REMARK 500    ASP B 131        2.71    -69.02                                   
REMARK 500    TRP B 197      -82.88   -142.94                                   
REMARK 500    ASP B 223      -12.19     86.82                                   
REMARK 500    LYS B 224      157.84    158.56                                   
REMARK 500    SER B 253       -6.31    -56.62                                   
REMARK 500    ALA B 272      123.81    -39.17                                   
REMARK 500    THR B 314      177.41    -57.55                                   
REMARK 500    ALA B 323       36.34    -94.31                                   
REMARK 500    GLU D   6       59.52     80.20                                   
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 1OL C    4     ALA C    5                 -111.62                    
REMARK 500 1OL D    4     ALA D    5                 -113.21                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    1OL C   4         30.71                                           
REMARK 500    1OL D   4         32.85                                           
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 CHAIN C OF INHIBITOR              
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN D OF INHIBITOR              
DBREF  1FKN A   43P  385  UNP    P56817   BACE1_HUMAN     46    436             
DBREF  1FKN B   43P  385  UNP    P56817   BACE1_HUMAN     46    436             
DBREF  1FKN C    1     7  PDB    1FKN     1FKN             1      7             
DBREF  1FKN D    1     7  PDB    1FKN     1FKN             1      7             
SEQRES   1 A  391  ARG ARG GLY SER PHE VAL GLU MET VAL ASP ASN LEU ARG          
SEQRES   2 A  391  GLY LYS SER GLY GLN GLY TYR TYR VAL GLU MET THR VAL          
SEQRES   3 A  391  GLY SER PRO PRO GLN THR LEU ASN ILE LEU VAL ASP THR          
SEQRES   4 A  391  GLY SER SER ASN PHE ALA VAL GLY ALA ALA PRO HIS PRO          
SEQRES   5 A  391  PHE LEU HIS ARG TYR TYR GLN ARG GLN LEU SER SER THR          
SEQRES   6 A  391  TYR ARG ASP LEU ARG LYS GLY VAL TYR VAL PRO TYR THR          
SEQRES   7 A  391  GLN GLY LYS TRP GLU GLY GLU LEU GLY THR ASP LEU VAL          
SEQRES   8 A  391  SER ILE PRO HIS GLY PRO ASN VAL THR VAL ARG ALA ASN          
SEQRES   9 A  391  ILE ALA ALA ILE THR GLU SER ASP LYS PHE PHE ILE ASN          
SEQRES  10 A  391  GLY SER ASN TRP GLU GLY ILE LEU GLY LEU ALA TYR ALA          
SEQRES  11 A  391  GLU ILE ALA ARG PRO ASP ASP SER LEU GLU PRO PHE PHE          
SEQRES  12 A  391  ASP SER LEU VAL LYS GLN THR HIS VAL PRO ASN LEU PHE          
SEQRES  13 A  391  SER LEU GLN LEU CYS GLY ALA GLY PHE PRO LEU ASN GLN          
SEQRES  14 A  391  SER GLU VAL LEU ALA SER VAL GLY GLY SER MET ILE ILE          
SEQRES  15 A  391  GLY GLY ILE ASP HIS SER LEU TYR THR GLY SER LEU TRP          
SEQRES  16 A  391  TYR THR PRO ILE ARG ARG GLU TRP TYR TYR GLU VAL ILE          
SEQRES  17 A  391  ILE VAL ARG VAL GLU ILE ASN GLY GLN ASP LEU LYS MET          
SEQRES  18 A  391  ASP CYS LYS GLU TYR ASN TYR ASP LYS SER ILE VAL ASP          
SEQRES  19 A  391  SER GLY THR THR ASN LEU ARG LEU PRO LYS LYS VAL PHE          
SEQRES  20 A  391  GLU ALA ALA VAL LYS SER ILE LYS ALA ALA SER SER THR          
SEQRES  21 A  391  GLU LYS PHE PRO ASP GLY PHE TRP LEU GLY GLU GLN LEU          
SEQRES  22 A  391  VAL CYS TRP GLN ALA GLY THR THR PRO TRP ASN ILE PHE          
SEQRES  23 A  391  PRO VAL ILE SER LEU TYR LEU MET GLY GLU VAL THR ASN          
SEQRES  24 A  391  GLN SER PHE ARG ILE THR ILE LEU PRO GLN GLN TYR LEU          
SEQRES  25 A  391  ARG PRO VAL GLU ASP VAL ALA THR SER GLN ASP ASP CYS          
SEQRES  26 A  391  TYR LYS PHE ALA ILE SER GLN SER SER THR GLY THR VAL          
SEQRES  27 A  391  MET GLY ALA VAL ILE MET GLU GLY PHE TYR VAL VAL PHE          
SEQRES  28 A  391  ASP ARG ALA ARG LYS ARG ILE GLY PHE ALA VAL SER ALA          
SEQRES  29 A  391  CYS HIS VAL HIS ASP GLU PHE ARG THR ALA ALA VAL GLU          
SEQRES  30 A  391  GLY PRO PHE VAL THR LEU ASP MET GLU ASP CYS GLY TYR          
SEQRES  31 A  391  ASN                                                          
SEQRES   1 B  391  ARG ARG GLY SER PHE VAL GLU MET VAL ASP ASN LEU ARG          
SEQRES   2 B  391  GLY LYS SER GLY GLN GLY TYR TYR VAL GLU MET THR VAL          
SEQRES   3 B  391  GLY SER PRO PRO GLN THR LEU ASN ILE LEU VAL ASP THR          
SEQRES   4 B  391  GLY SER SER ASN PHE ALA VAL GLY ALA ALA PRO HIS PRO          
SEQRES   5 B  391  PHE LEU HIS ARG TYR TYR GLN ARG GLN LEU SER SER THR          
SEQRES   6 B  391  TYR ARG ASP LEU ARG LYS GLY VAL TYR VAL PRO TYR THR          
SEQRES   7 B  391  GLN GLY LYS TRP GLU GLY GLU LEU GLY THR ASP LEU VAL          
SEQRES   8 B  391  SER ILE PRO HIS GLY PRO ASN VAL THR VAL ARG ALA ASN          
SEQRES   9 B  391  ILE ALA ALA ILE THR GLU SER ASP LYS PHE PHE ILE ASN          
SEQRES  10 B  391  GLY SER ASN TRP GLU GLY ILE LEU GLY LEU ALA TYR ALA          
SEQRES  11 B  391  GLU ILE ALA ARG PRO ASP ASP SER LEU GLU PRO PHE PHE          
SEQRES  12 B  391  ASP SER LEU VAL LYS GLN THR HIS VAL PRO ASN LEU PHE          
SEQRES  13 B  391  SER LEU GLN LEU CYS GLY ALA GLY PHE PRO LEU ASN GLN          
SEQRES  14 B  391  SER GLU VAL LEU ALA SER VAL GLY GLY SER MET ILE ILE          
SEQRES  15 B  391  GLY GLY ILE ASP HIS SER LEU TYR THR GLY SER LEU TRP          
SEQRES  16 B  391  TYR THR PRO ILE ARG ARG GLU TRP TYR TYR GLU VAL ILE          
SEQRES  17 B  391  ILE VAL ARG VAL GLU ILE ASN GLY GLN ASP LEU LYS MET          
SEQRES  18 B  391  ASP CYS LYS GLU TYR ASN TYR ASP LYS SER ILE VAL ASP          
SEQRES  19 B  391  SER GLY THR THR ASN LEU ARG LEU PRO LYS LYS VAL PHE          
SEQRES  20 B  391  GLU ALA ALA VAL LYS SER ILE LYS ALA ALA SER SER THR          
SEQRES  21 B  391  GLU LYS PHE PRO ASP GLY PHE TRP LEU GLY GLU GLN LEU          
SEQRES  22 B  391  VAL CYS TRP GLN ALA GLY THR THR PRO TRP ASN ILE PHE          
SEQRES  23 B  391  PRO VAL ILE SER LEU TYR LEU MET GLY GLU VAL THR ASN          
SEQRES  24 B  391  GLN SER PHE ARG ILE THR ILE LEU PRO GLN GLN TYR LEU          
SEQRES  25 B  391  ARG PRO VAL GLU ASP VAL ALA THR SER GLN ASP ASP CYS          
SEQRES  26 B  391  TYR LYS PHE ALA ILE SER GLN SER SER THR GLY THR VAL          
SEQRES  27 B  391  MET GLY ALA VAL ILE MET GLU GLY PHE TYR VAL VAL PHE          
SEQRES  28 B  391  ASP ARG ALA ARG LYS ARG ILE GLY PHE ALA VAL SER ALA          
SEQRES  29 B  391  CYS HIS VAL HIS ASP GLU PHE ARG THR ALA ALA VAL GLU          
SEQRES  30 B  391  GLY PRO PHE VAL THR LEU ASP MET GLU ASP CYS GLY TYR          
SEQRES  31 B  391  ASN                                                          
SEQRES   1 C    7  GLU VAL ASN 1OL ALA GLU PHE                                  
SEQRES   1 D    7  GLU VAL ASN 1OL ALA GLU PHE                                  
HET    1OL  C   4      13                                                       
HET    1OL  D   4      13                                                       
HETNAM     1OL (2R,4S,5S)-5-AMINO-4-HYDROXY-2,7-DIMETHYLOCTANOIC ACID           
HETSYN     1OL LEU*ALA                                                          
FORMUL   3  1OL    2(C10 H21 N O3)                                              
FORMUL   5  HOH   *529(H2 O)                                                    
HELIX    1   1 GLN A   53  SER A   57  5                                   5    
HELIX    2   2 TYR A  123  ALA A  127  5                                   5    
HELIX    3   3 PRO A  135  THR A  144  1                                  10    
HELIX    4   4 ASN A  162  SER A  169  1                                   8    
HELIX    5   5 ASP A  180  SER A  182  5                                   3    
HELIX    6   6 ASP A  216  TYR A  222  5                                   7    
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 ASP A  378  GLY A  383  5                                   6    
HELIX   13  13 GLN B   53  SER B   57  5                                   5    
HELIX   14  14 TYR B  123  ALA B  127  5                                   5    
HELIX   15  15 PRO B  135  THR B  144  1                                  10    
HELIX   16  16 ASN B  162  SER B  169  1                                   8    
HELIX   17  17 ASP B  180  SER B  182  5                                   3    
HELIX   18  18 ASP B  216  TYR B  222  5                                   7    
HELIX   19  19 LYS B  238  SER B  252  1                                  15    
HELIX   20  20 PRO B  258  LEU B  263  1                                   6    
HELIX   21  21 PRO B  276  PHE B  280  5                                   5    
HELIX   22  22 LEU B  301  TYR B  305  1                                   5    
HELIX   23  23 GLY B  334  GLU B  339  1                                   6    
HELIX   24  24 ASP B  378  GLY B  383  5                                   6    
SHEET    1   A10 LEU A   6  LYS A   9  0                                        
SHEET    2   A10 GLY A  13  VAL A  20 -1  N  GLY A  13   O  LYS A   9           
SHEET    3   A10 LYS A  75  SER A  86 -1  O  SER A  86   N  THR A  19           
SHEET    4   A10 THR A  94  ASP A 106 -1  O  VAL A  95   N  VAL A  85           
SHEET    5   A10 PHE A  38  GLY A  41  1  O  PHE A  38   N  ALA A 100           
SHEET    6   A10 GLY A 117  GLY A 120 -1  N  ILE A 118   O  ALA A  39           
SHEET    7   A10 GLN A  25  ASP A  32  1  O  ASN A  28   N  GLY A 117           
SHEET    8   A10 GLY A  13  VAL A  20 -1  O  TYR A  14   N  VAL A  31           
SHEET    9   A10 LYS A  75  SER A  86 -1  O  SER A  86   N  THR A  19           
SHEET   10   A10 ARG A  61  PRO A  70 -1  N  ARG A  61   O  THR A  82           
SHEET    1   B 5 GLY A 172  ILE A 176  0                                        
SHEET    2   B 5 PHE A 150  LEU A 154 -1  O  SER A 151   N  ILE A 175           
SHEET    3   B 5 PHE A 341  ASP A 346 -1  O  PHE A 341   N  LEU A 154           
SHEET    4   B 5 ARG A 351  SER A 357 -1  N  ARG A 351   O  ASP A 346           
SHEET    5   B 5 TYR A 184  PRO A 192 -1  N  THR A 185   O  VAL A 356           
SHEET    1   C 5 GLN A 211  ASP A 212  0                                        
SHEET    2   C 5 ILE A 203  ILE A 208 -1  O  ILE A 208   N  GLN A 211           
SHEET    3   C 5 ILE A 283  MET A 288 -1  N  SER A 284   O  GLU A 207           
SHEET    4   C 5 GLN A 294  ILE A 300 -1  O  PHE A 296   N  LEU A 287           
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  THR A 331   N  ILE A 226           
SHEET    3   D 4 LEU A 234  PRO A 237 -1  O  ARG A 235   N  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  TRP A 270  0                                        
SHEET    2   E 3 ASP A 318  PHE A 322 -1  N  ASP A 318   O  TRP A 270           
SHEET    3   E 3 LEU A 306  VAL A 309 -1  N  ARG A 307   O  LYS A 321           
SHEET    1   F10 LEU B   6  LYS B   9  0                                        
SHEET    2   F10 GLY B  13  VAL B  20 -1  N  GLY B  13   O  LYS B   9           
SHEET    3   F10 LYS B  75  SER B  86 -1  O  SER B  86   N  THR B  19           
SHEET    4   F10 VAL B  95  ASP B 106 -1  O  VAL B  95   N  VAL B  85           
SHEET    5   F10 PHE B  38  GLY B  41  1  O  PHE B  38   N  ALA B 100           
SHEET    6   F10 GLY B 117  GLY B 120 -1  N  ILE B 118   O  ALA B  39           
SHEET    7   F10 GLN B  25  ASP B  32  1  O  ASN B  28   N  GLY B 117           
SHEET    8   F10 GLY B  13  VAL B  20 -1  O  TYR B  14   N  VAL B  31           
SHEET    9   F10 LYS B  75  SER B  86 -1  O  SER B  86   N  THR B  19           
SHEET   10   F10 ARG B  61  PRO B  70 -1  N  ARG B  61   O  THR B  82           
SHEET    1   G 5 GLY B 172  ILE B 176  0                                        
SHEET    2   G 5 PHE B 150  LEU B 154 -1  N  SER B 151   O  ILE B 175           
SHEET    3   G 5 PHE B 341  ASP B 346 -1  O  PHE B 341   N  LEU B 154           
SHEET    4   G 5 ARG B 351  SER B 357 -1  N  ARG B 351   O  ASP B 346           
SHEET    5   G 5 TYR B 184  PRO B 192 -1  N  THR B 185   O  VAL B 356           
SHEET    1   H 5 GLN B 211  ASP B 212  0                                        
SHEET    2   H 5 ILE B 203  ILE B 208 -1  N  ILE B 208   O  GLN B 211           
SHEET    3   H 5 ILE B 283  MET B 288 -1  N  SER B 284   O  GLU B 207           
SHEET    4   H 5 GLN B 294  ILE B 300 -1  O  PHE B 296   N  LEU B 287           
SHEET    5   H 5 ALA B 369  VAL B 375 -1  O  ALA B 369   N  THR B 299           
SHEET    1   I 4 SER B 225  VAL B 227  0                                        
SHEET    2   I 4 THR B 331  MET B 333  1  O  THR B 331   N  ILE B 226           
SHEET    3   I 4 LEU B 234  PRO B 237 -1  N  ARG B 235   O  VAL B 332           
SHEET    4   I 4 ILE B 324  SER B 327  1  O  SER B 325   N  LEU B 236           
SHEET    1   J 3 VAL B 268  TRP B 270  0                                        
SHEET    2   J 3 ASP B 318  PHE B 322 -1  N  ASP B 318   O  TRP B 270           
SHEET    3   J 3 LEU B 306  VAL B 309 -1  N  ARG B 307   O  LYS B 321           
SSBOND   1 CYS A  155    CYS A  359                          1555   1555  2.05  
SSBOND   2 CYS A  217    CYS A  382                          1555   1555  2.03  
SSBOND   3 CYS A  269    CYS A  319                          1555   1555  2.04  
SSBOND   4 CYS B  155    CYS B  359                          1555   1555  2.04  
SSBOND   5 CYS B  217    CYS B  382                          1555   1555  2.04  
SSBOND   6 CYS B  269    CYS B  319                          1555   1555  2.05  
LINK         C   ASN C   3                 N   1OL C   4     1555   1555  1.33  
LINK         C   1OL C   4                 N   ALA C   5     1555   1555  1.34  
LINK         C   ASN D   3                 N   1OL D   4     1555   1555  1.33  
LINK         C   1OL D   4                 N   ALA D   5     1555   1555  1.33  
CISPEP   1 SER A   22    PRO A   23          0        -0.14                     
CISPEP   2 ARG A  128    PRO A  129          0         0.08                     
CISPEP   3 GLY A  372    PRO A  373          0        -0.05                     
CISPEP   4 SER B   22    PRO B   23          0        -0.30                     
CISPEP   5 ARG B  128    PRO B  129          0         0.45                     
CISPEP   6 GLY B  372    PRO B  373          0        -0.16                     
SITE     1 AC1 25 SER A  10  GLY A  11  ASP A  32  GLY A  34                    
SITE     2 AC1 25 SER A  35  PRO A  70  TYR A  71  THR A  72                    
SITE     3 AC1 25 GLN A  73  PHE A 108  ILE A 110  TYR A 198                    
SITE     4 AC1 25 LYS A 224  ASP A 228  GLY A 230  THR A 231                    
SITE     5 AC1 25 THR A 232  ARG A 235  THR A 329  HOH A 490                    
SITE     6 AC1 25 HOH C   9  HOH C  10  HOH C  11  HOH C  12                    
SITE     7 AC1 25 HOH C  13                                                     
SITE     1 AC2 27 SER B  10  GLY B  11  ASP B  32  GLY B  34                    
SITE     2 AC2 27 SER B  35  PRO B  70  TYR B  71  THR B  72                    
SITE     3 AC2 27 GLN B  73  PHE B 108  TYR B 198  ASP B 228                    
SITE     4 AC2 27 GLY B 230  THR B 231  THR B 232  ARG B 235                    
SITE     5 AC2 27 SER B 328  HOH B 440  HOH B 449  HOH B 498                    
SITE     6 AC2 27 HOH B 566  HOH B 583  HOH D   9  HOH D  10                    
SITE     7 AC2 27 HOH D  11  HOH D  13  HOH D  14                               
CRYST1   53.652   85.853  109.237  90.00 101.36  90.00 P 1 21 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      0.018639  0.000000  0.003745        0.00000                         
SCALE2      0.000000  0.011648  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009337        0.00000