HEADER    UNKNOWN FUNCTION                        21-SEP-11   3TWF              
TITLE     CRYSTAL STRUCTURE OF THE DE NOVO DESIGNED FLUORINATED PEPTIDE         
TITLE    2 ALPHA4F3A                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ALPHA4F3A;                                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 OTHER_DETAILS: SYNTHESIZED                                           
KEYWDS    ALPHA HELIX, DE NOVO DESIGNED, FLUORINATED PROTEIN, UNKNOWN FUNCTION  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.C.BUER,J.L.MEAGHER,J.A.STUCKEY,E.N.G.MARSH                          
REVDAT   5   08-NOV-17 3TWF    1       REMARK                                   
REVDAT   4   18-APR-12 3TWF    1       JRNL                                     
REVDAT   3   11-APR-12 3TWF    1       REMARK                                   
REVDAT   2   04-APR-12 3TWF    1       JRNL                                     
REVDAT   1   14-MAR-12 3TWF    0                                                
JRNL        AUTH   B.C.BUER,J.L.MEAGHER,J.A.STUCKEY,E.N.MARSH                   
JRNL        TITL   STRUCTURAL BASIS FOR THE ENHANCED STABILITY OF HIGHLY        
JRNL        TITL 2 FLUORINATED PROTEINS.                                        
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 109  4810 2012              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   22411812                                                     
JRNL        DOI    10.1073/PNAS.1120112109                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.54 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : BUSTER-TNT BUSTER 2.8.0                              
REMARK   3   AUTHORS     : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER,              
REMARK   3               : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN,              
REMARK   3               : WOMACK,MATTHEWS,TEN EYCK,TRONRUD                     
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.54                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 34.19                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 6778                           
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)  : 0.187                          
REMARK   3   R VALUE            (WORKING SET)  : 0.186                          
REMARK   3   FREE R VALUE                      : 0.209                          
REMARK   3   FREE R VALUE TEST SET SIZE   (%)  : 4.810                          
REMARK   3   FREE R VALUE TEST SET COUNT       : 326                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE   : NULL                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED               : 5                        
REMARK   3   BIN RESOLUTION RANGE HIGH   (ANGSTROMS) : 1.54                     
REMARK   3   BIN RESOLUTION RANGE LOW    (ANGSTROMS) : 1.72                     
REMARK   3   BIN COMPLETENESS (WORKING+TEST)     (%) : NULL                     
REMARK   3   REFLECTIONS IN BIN (WORKING + TEST SET) : 1954                     
REMARK   3   BIN R VALUE        (WORKING + TEST SET) : 0.1634                   
REMARK   3   REFLECTIONS IN BIN        (WORKING SET) : 1856                     
REMARK   3   BIN R VALUE               (WORKING SET) : 0.1614                   
REMARK   3   BIN FREE R VALUE                        : 0.2044                   
REMARK   3   BIN FREE R VALUE TEST SET SIZE      (%) : 5.02                     
REMARK   3   BIN FREE R VALUE TEST SET COUNT         : 98                       
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE     : NULL                     
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 452                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 24                                      
REMARK   3   SOLVENT ATOMS            : 19                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.25                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.12190                                              
REMARK   3    B22 (A**2) : 0.12190                                              
REMARK   3    B33 (A**2) : -0.24370                                             
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) : 0.166               
REMARK   3   DPI (BLOW EQ-10) BASED ON R VALUE        (A) : NULL                
REMARK   3   DPI (BLOW EQ-9) BASED ON FREE R VALUE    (A) : NULL                
REMARK   3   DPI (CRUICKSHANK) BASED ON R VALUE       (A) : NULL                
REMARK   3   DPI (CRUICKSHANK) BASED ON FREE R VALUE  (A) : NULL                
REMARK   3                                                                      
REMARK   3   REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797                
REMARK   3               CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601     
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.951                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.935                         
REMARK   3                                                                      
REMARK   3   NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15                    
REMARK   3   TERM                          COUNT    WEIGHT   FUNCTION.          
REMARK   3    BOND LENGTHS              : 479    ; 2.000  ; HARMONIC            
REMARK   3    BOND ANGLES               : 651    ; 2.000  ; HARMONIC            
REMARK   3    TORSION ANGLES            : 163    ; 2.000  ; SINUSOIDAL          
REMARK   3    TRIGONAL CARBON PLANES    : 14     ; 2.000  ; HARMONIC            
REMARK   3    GENERAL PLANES            : 61     ; 5.000  ; HARMONIC            
REMARK   3    ISOTROPIC THERMAL FACTORS : 479    ; 20.000 ; HARMONIC            
REMARK   3    BAD NON-BONDED CONTACTS   : 16     ; 5.000  ; SEMIHARMONIC        
REMARK   3    IMPROPER TORSIONS         : NULL   ; NULL   ; NULL                
REMARK   3    PSEUDOROTATION ANGLES     : NULL   ; NULL   ; NULL                
REMARK   3    CHIRAL IMPROPER TORSION   : 44     ; 5.000  ; SEMIHARMONIC        
REMARK   3    SUM OF OCCUPANCIES        : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY DISTANCES         : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY ANGLES            : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY TORSION           : NULL   ; NULL   ; NULL                
REMARK   3    IDEAL-DIST CONTACT TERM   : 501    ; 4.000  ; SEMIHARMONIC        
REMARK   3                                                                      
REMARK   3   RMS DEVIATIONS FROM IDEAL VALUES.                                  
REMARK   3    BOND LENGTHS                       (A) : 0.009                    
REMARK   3    BOND ANGLES                  (DEGREES) : 1.05                     
REMARK   3    PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.03                     
REMARK   3    OTHER TORSION ANGLES         (DEGREES) : 13.92                    
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: { A|1 - A|25 }                                         
REMARK   3    ORIGIN FOR THE GROUP (A):   43.6299   18.8993  -12.6212           
REMARK   3    T TENSOR                                                          
REMARK   3     T11:   -0.0225 T22:   -0.0186                                    
REMARK   3     T33:    0.0174 T12:   -0.0124                                    
REMARK   3     T13:    0.0081 T23:   -0.0431                                    
REMARK   3    L TENSOR                                                          
REMARK   3     L11:    1.3315 L22:    0.9185                                    
REMARK   3     L33:    0.9746 L12:   -0.8360                                    
REMARK   3     L13:   -0.4889 L23:   -0.8716                                    
REMARK   3    S TENSOR                                                          
REMARK   3     S11:   -0.0094 S12:   -0.1425 S13:    0.1017                     
REMARK   3     S21:   -0.0692 S22:    0.0539 S23:    0.0688                     
REMARK   3     S31:    0.0054 S32:   -0.0238 S33:   -0.0445                     
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: { B|1 - B|26 }                                         
REMARK   3    ORIGIN FOR THE GROUP (A):   52.7478   17.8383  -13.8461           
REMARK   3    T TENSOR                                                          
REMARK   3     T11:   -0.0206 T22:   -0.0273                                    
REMARK   3     T33:    0.0031 T12:   -0.0079                                    
REMARK   3     T13:   -0.0035 T23:   -0.0109                                    
REMARK   3    L TENSOR                                                          
REMARK   3     L11:    1.5179 L22:    1.9153                                    
REMARK   3     L33:    1.1642 L12:   -0.2710                                    
REMARK   3     L13:    0.3901 L23:   -0.1390                                    
REMARK   3    S TENSOR                                                          
REMARK   3     S11:    0.0574 S12:   -0.0473 S13:    0.0759                     
REMARK   3     S21:   -0.0321 S22:   -0.0812 S23:   -0.0743                     
REMARK   3     S31:    0.0113 S32:   -0.0133 S33:    0.0237                     
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3TWF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-OCT-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000068004.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-FEB-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 21-ID-F                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97872                            
REMARK 200  MONOCHROMATOR                  : DIAMOND [111]                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000                    
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK, HKL-2000                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 6830                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.540                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.8                               
REMARK 200  DATA REDUNDANCY                : 7.000                              
REMARK 200  R MERGE                    (I) : 0.05300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.54                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.57                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.27600                            
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: PHASER                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 23.95                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.62                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 55% PEG400, 0.1M TRIS PH 7.8, VAPOR      
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 293.15K                        
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       3555   -Y,X+1/2,Z+1/4                                          
REMARK 290       4555   Y+1/2,-X,Z+3/4                                          
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X,-Y,Z                                                 
REMARK 290       7555   -Y+1/2,X,Z+3/4                                          
REMARK 290       8555   Y,-X+1/2,Z+1/4                                          
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       24.17450            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000       24.17450            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       19.87400            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       24.17450            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        9.93700            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       24.17450            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       29.81100            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       24.17450            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       24.17450            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       19.87400            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000 -1.000000  0.000000       24.17450            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       29.81100            
REMARK 290   SMTRY1   8  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000       24.17450            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000        9.93700            
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: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000       96.69800            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       48.34900            
REMARK 350   BIOMT3   2  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: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     SER A    26                                                      
REMARK 465     GLY A    27                                                      
REMARK 465     GLY B    27                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ASP A   4    CG   OD1  OD2                                       
REMARK 470     GLU A  11    CD   OE1  OE2                                       
REMARK 470     ARG A  25    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASP B   4    CG   OD1  OD2                                       
REMARK 470     LYS B   8    CG   CD   CE   NZ                                   
REMARK 470     LYS B  22    NZ                                                  
REMARK 470     ARG B  25    CG   CD   NE   CZ   NH1  NH2                        
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   N    GLY A     1     C    ACE A    28              1.53            
REMARK 500   N    GLY A     1     O    ACE A    28              2.18            
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 ACE A 28                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PGE B 28                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PGE B 29                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA B 30                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3TWE   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3TWG   RELATED DB: PDB                                   
DBREF  3TWF A    1    27  PDB    3TWF     3TWF             1     27             
DBREF  3TWF B    1    27  PDB    3TWF     3TWF             1     27             
SEQRES   1 A   27  GLY ASN ALA ASP GLU LEU TYR LYS GLU 6FL GLU ASP LEU          
SEQRES   2 A   27  GLN GLU ARG 6FL ARG LYS LEU ARG LYS LYS 6FL ARG SER          
SEQRES   3 A   27  GLY                                                          
SEQRES   1 B   27  GLY ASN ALA ASP GLU LEU TYR LYS GLU 6FL GLU ASP LEU          
SEQRES   2 B   27  GLN GLU ARG 6FL ARG LYS LEU ARG LYS LYS 6FL ARG SER          
SEQRES   3 B   27  GLY                                                          
HET    6FL  A  10      14                                                       
HET    6FL  A  17      14                                                       
HET    6FL  A  24      14                                                       
HET    6FL  B  10      14                                                       
HET    6FL  B  17      14                                                       
HET    6FL  B  24      14                                                       
HET    ACE  A  28       3                                                       
HET    PGE  B  28      10                                                       
HET    PGE  B  29      10                                                       
HET     NA  B  30       1                                                       
HETNAM     6FL 5,5,5,5',5',5'-HEXAFLUORO-L-LEUCINE                              
HETNAM     ACE ACETYL GROUP                                                     
HETNAM     PGE TRIETHYLENE GLYCOL                                               
HETNAM      NA SODIUM ION                                                       
FORMUL   1  6FL    6(C6 H7 F6 N O2)                                             
FORMUL   3  ACE    C2 H4 O                                                      
FORMUL   4  PGE    2(C6 H14 O4)                                                 
FORMUL   6   NA    NA 1+                                                        
FORMUL   7  HOH   *19(H2 O)                                                     
HELIX    1   1 ASN A    2  ARG A   25  1                                  24    
HELIX    2   2 ASN B    2  SER B   26  1                                  25    
LINK         C   GLU A   9                 N   6FL A  10     1555   1555  1.33  
LINK         C   6FL A  10                 N   GLU A  11     1555   1555  1.36  
LINK         C   ARG A  16                 N   6FL A  17     1555   1555  1.33  
LINK         C   6FL A  17                 N   ARG A  18     1555   1555  1.36  
LINK         C   LYS A  23                 N   6FL A  24     1555   1555  1.35  
LINK         C   6FL A  24                 N   ARG A  25     1555   1555  1.34  
LINK         C   GLU B   9                 N   6FL B  10     1555   1555  1.36  
LINK         C   6FL B  10                 N   GLU B  11     1555   1555  1.32  
LINK         C   ARG B  16                 N   6FL B  17     1555   1555  1.35  
LINK         C   6FL B  17                 N   ARG B  18     1555   1555  1.35  
LINK         C   LYS B  23                 N   6FL B  24     1555   1555  1.33  
LINK         C   6FL B  24                 N   ARG B  25     1555   1555  1.35  
LINK         OH  TYR B   7                NA    NA B  30     1555   1555  2.24  
SITE     1 AC1  5 GLY A   1  GLU A   5  ARG B  18  ARG B  21                    
SITE     2 AC1  5 HOH B  33                                                     
SITE     1 AC2  6 GLU B  11  ASP B  12  GLU B  15  LYS B  19                    
SITE     2 AC2  6 PGE B  29   NA B  30                                          
SITE     1 AC3  8 GLU A   5  GLU A   9  GLU B  15  ARG B  18                    
SITE     2 AC3  8 LYS B  19  LEU B  20  LYS B  23  PGE B  28                    
SITE     1 AC4  5 ARG A  16  TYR B   7  ASP B  12  ARG B  16                    
SITE     2 AC4  5 PGE B  28                                                     
CRYST1   48.349   48.349   39.748  90.00  90.00  90.00 I 41         16          
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      0.020683  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.020683  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.025158        0.00000