HEADER    IMMUNE SYSTEM                           08-AUG-02   1MEX              
TITLE     ANTIBODY CATALYSIS OF A BIMOLECULAR CYCLOADDITION REACTION            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FAB 29G12 LIGHT CHAIN;                                     
COMPND   3 CHAIN: L;                                                            
COMPND   4 MOL_ID: 2;                                                           
COMPND   5 MOLECULE: FAB 29G12 HEAVY CHAIN;                                     
COMPND   6 CHAIN: H                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   3 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE   4 ORGANISM_TAXID: 10090;                                               
SOURCE   5 SECRETION: ASCITIC FLUID;                                            
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   8 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE   9 ORGANISM_TAXID: 10090;                                               
SOURCE  10 SECRETION: ASCITIC FLUID                                             
KEYWDS    IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.HEINE,I.A.WILSON                                                    
REVDAT   3   13-NOV-24 1MEX    1       REMARK                                   
REVDAT   2   24-FEB-09 1MEX    1       VERSN                                    
REVDAT   1   02-SEP-03 1MEX    0                                                
JRNL        AUTH   A.HEINE,I.A.WILSON                                           
JRNL        TITL   ANTIBODY CATALYSIS OF A BIMOLECULAR CYCLOADDITION REACTION   
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.25 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.25                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.5                           
REMARK   3   CROSS-VALIDATION METHOD           : FREE R                         
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.153                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.213                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 5609                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 112119                 
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : NULL                   
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.137                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.196                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 4413                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 88051                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 3225                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 25                                            
REMARK   3   SOLVENT ATOMS      : 592                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 3842.0                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 3128.0                  
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 12                      
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 34859                   
REMARK   3   NUMBER OF RESTRAINTS                     : 41965                   
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.013                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.034                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.031                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.074                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.086                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.054                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.004                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.058                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.091                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER                      
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  ANISOTROPIC SCALING APPLIED BY THE METHOD OF PARKIN, MOEZZI & HOPE, 
REMARK   3  J.APPL.CRYST.28(1995)53-56                                          
REMARK   3  ANISOTROPIC REFINEMENT REDUCED FREE R                               
REMARK   4                                                                      
REMARK   4 1MEX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-APR-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000016860.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 06-MAY-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 84                                 
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL11-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.96482                            
REMARK 200  MONOCHROMATOR                  : SI                                 
REMARK 200  OPTICS                         : SINGLE CRYSTAL BENT                
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 112412                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.250                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 3.900                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.04300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 27.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.25                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.28                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.63800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.900                              
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   (%): 35.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.89                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MPEG2000, PH 7.0, VAPOR DIFFUSION,       
REMARK 280  SITTING DROP, TEMPERATURE 295.5K                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       22.66000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       53.59000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       41.65500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       53.59000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.66000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       41.65500            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 3120 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19960 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, H                                  
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     GLU H    42                                                      
REMARK 465     GLN H    43                                                      
REMARK 465     ALA H   133                                                      
REMARK 465     ALA H   134                                                      
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     SER H 128    OG                                                  
REMARK 470     GLN H 131    CG   CD   OE1  NE2                                  
REMARK 470     THR H 135    OG1  CG2                                            
REMARK 470     ASN H 136    CG   OD1  ND2                                       
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    SER L 176   CB    SER L 176   OG     -0.118                       
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    ASP L   1   CB  -  CG  -  OD2 ANGL. DEV. =  -5.9 DEGREES          
REMARK 500    ARG L  54   CD  -  NE  -  CZ  ANGL. DEV. =   9.9 DEGREES          
REMARK 500    ARG L  54   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.4 DEGREES          
REMARK 500    TYR L  96   CB  -  CG  -  CD2 ANGL. DEV. =  -4.8 DEGREES          
REMARK 500    ARG L 155   NE  -  CZ  -  NH1 ANGL. DEV. =   5.1 DEGREES          
REMARK 500    ARG L 155   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    HIS L 198   CG  -  ND1 -  CE1 ANGL. DEV. =   7.4 DEGREES          
REMARK 500    HIS H  35   ND1 -  CG  -  CD2 ANGL. DEV. =  -9.4 DEGREES          
REMARK 500    HIS H  35   CG  -  ND1 -  CE1 ANGL. DEV. =  16.6 DEGREES          
REMARK 500    HIS H  35   ND1 -  CE1 -  NE2 ANGL. DEV. = -11.9 DEGREES          
REMARK 500    HIS H  35   CE1 -  NE2 -  CD2 ANGL. DEV. =   4.7 DEGREES          
REMARK 500    TRP H  47   CG  -  CD1 -  NE1 ANGL. DEV. =  -8.2 DEGREES          
REMARK 500    TRP H  47   CD1 -  NE1 -  CE2 ANGL. DEV. =  11.5 DEGREES          
REMARK 500    TRP H  47   NE1 -  CE2 -  CD2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    TYR H  50   CB  -  CG  -  CD1 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    TYR H  50   CG  -  CD1 -  CE1 ANGL. DEV. =   4.9 DEGREES          
REMARK 500    LYS H  58   CB  -  CG  -  CD  ANGL. DEV. =  21.7 DEGREES          
REMARK 500    LYS H  64   O   -  C   -  N   ANGL. DEV. = -10.4 DEGREES          
REMARK 500    TYR H 122   CB  -  CG  -  CD1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    CYS H 142   N   -  CA  -  CB  ANGL. DEV. = -13.3 DEGREES          
REMARK 500    CYS H 208   CA  -  CB  -  SG  ANGL. DEV. =  10.8 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    ALA L  51      -34.87     69.04                                   
REMARK 500    ALA H  88      172.14    178.80                                   
REMARK 500    TYR H  96      -33.25     72.95                                   
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 RAC H 601                 
REMARK 999                                                                      
REMARK 999 SEQRES AUTHOR STATES THE SEQUENCE SHOULD CORRESPOND TO OTHER         
REMARK 999 ANTIBODY FAB SEQUENCES LISTED IN THE KABAT AND WU "SEQUENCE OF       
REMARK 999 PROTEINS OF IMMUNOLOGICAL INTEREST". IN ADDITION, AUTHOR STATES      
REMARK 999 RESIDUES 133 AND 134 OF CHAIN H WERE REFINED AS ALA, SINCE THERE     
REMARK 999 WAS NO CONCLUSIVE SIDE CHAIN DENSITY.                                
DBREF  1MEX L    1   213  PDB    1MEX     1MEX             1    213             
DBREF  1MEX H    1   226  PDB    1MEX     1MEX             1    226             
SEQRES   1 L  213  ASP ILE VAL MET THR GLN SER GLN LYS PHE MET SER THR          
SEQRES   2 L  213  SER LEU GLY ASN ARG VAL SER VAL THR CYS LYS ALA SER          
SEQRES   3 L  213  GLN ASN VAL GLY THR ASN VAL ALA TRP PHE GLN GLN LYS          
SEQRES   4 L  213  PRO GLY GLN SER PRO LYS THR LEU ILE TYR SER ALA SER          
SEQRES   5 L  213  TYR ARG TYR SER GLY VAL PRO ASP ARG PHE THR GLY SER          
SEQRES   6 L  213  GLY SER GLY THR ASP PHE THR LEU THR ILE ASN ASN VAL          
SEQRES   7 L  213  GLN SER GLU ASP LEU ALA GLU TYR PHE CYS GLN GLN TYR          
SEQRES   8 L  213  ASN SER TYR PRO TYR THR PHE GLY GLY GLY THR LYS LEU          
SEQRES   9 L  213  GLU ILE LYS ARG ALA ASP ALA ALA PRO THR VAL SER ILE          
SEQRES  10 L  213  PHE PRO PRO SER SER GLU GLN LEU THR GLY GLY GLY ALA          
SEQRES  11 L  213  SER VAL VAL CYS PHE LEU ASN ASN PHE TYR PRO LYS ASP          
SEQRES  12 L  213  ILE ASN VAL LYS TRP LYS ILE ASP GLY SER GLU ARG GLN          
SEQRES  13 L  213  ASN GLY VAL LEU ASN SER TRP THR ASP GLN ASP SER LYS          
SEQRES  14 L  213  ASP SER THR TYR SER MET SER SER THR LEU THR LEU THR          
SEQRES  15 L  213  LYS ASP GLU TYR GLU ARG HIS ASN SER TYR THR CYS GLU          
SEQRES  16 L  213  ALA THR HIS LYS THR SER THR SER PRO ILE VAL LYS SER          
SEQRES  17 L  213  PHE ASN ARG ASN GLU                                          
SEQRES   1 H  215  GLN VAL GLN LEU GLN GLN SER ASP ALA GLU LEU VAL LYS          
SEQRES   2 H  215  PRO GLY ALA SER VAL LYS ILE SER CYS LYS ALA SER GLY          
SEQRES   3 H  215  TYR THR PHE THR ASP HIS ALA ILE HIS TRP VAL LYS GLN          
SEQRES   4 H  215  LYS PRO GLU GLN GLY LEU GLU TRP ILE GLY TYR ILE SER          
SEQRES   5 H  215  PRO GLY ASN GLY ASP ILE LYS TYR ASN GLU LYS PHE LYS          
SEQRES   6 H  215  GLY LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR          
SEQRES   7 H  215  ALA TYR MET GLN LEU ASN SER LEU THR SER GLU ASP SER          
SEQRES   8 H  215  ALA VAL TYR PHE CYS LYS MET GLU TYR LEU ASP TYR TRP          
SEQRES   9 H  215  GLY GLN GLY THR THR LEU THR VAL SER SER GLY GLY THR          
SEQRES  10 H  215  THR PRO PRO SER VAL TYR PRO LEU ALA PRO GLY SER ALA          
SEQRES  11 H  215  ALA GLN ALA ALA THR ASN SER VAL THR LEU GLY CYS LEU          
SEQRES  12 H  215  VAL LYS GLY TYR PHE PRO GLU PRO VAL THR VAL THR TRP          
SEQRES  13 H  215  ASN SER GLY SER LEU SER SER GLY VAL HIS THR PHE PRO          
SEQRES  14 H  215  ALA VAL LEU GLN SER ASP LEU TYR THR LEU SER SER SER          
SEQRES  15 H  215  VAL THR VAL PRO SER SER THR TRP PRO SER GLN SER VAL          
SEQRES  16 H  215  THR CYS ASN VAL ALA HIS PRO ALA SER SER THR ALA VAL          
SEQRES  17 H  215  ASP LYS LYS ILE ALA PRO ALA                                  
HET    RAC  H 601      25                                                       
HETNAM     RAC 4-(2-DIMETHYLCARBAMOYL-PHENYLCARBAMOYLOXYMETHYL)-                
HETNAM   2 RAC  BENZOIC ACID                                                    
FORMUL   3  RAC    C18 H18 N2 O5                                                
FORMUL   4  HOH   *592(H2 O)                                                    
HELIX    1   1 GLN L   79  LEU L   83  5                                   5    
HELIX    2   2 SER L  121  GLY L  127  1                                   7    
HELIX    3   3 LYS L  183  GLU L  187  1                                   5    
HELIX    4   4 THR H   28  HIS H   32  5                                   5    
HELIX    5   5 GLU H   61  LYS H   64  5                                   4    
HELIX    6   6 LYS H   73  SER H   75  5                                   3    
HELIX    7   7 THR H   83  SER H   87  5                                   5    
HELIX    8   8 SER H  163  SER H  165  5                                   3    
HELIX    9   9 SER H  196  TRP H  199  5                                   3    
HELIX   10  10 PRO H  213  SER H  216  5                                   4    
SHEET    1   A 4 MET L   4  THR L   5  0                                        
SHEET    2   A 4 VAL L  19  ALA L  25 -1  O  LYS L  24   N  THR L   5           
SHEET    3   A 4 ASP L  70  ILE L  75 -1  O  LEU L  73   N  VAL L  21           
SHEET    4   A 4 PHE L  62  SER L  67 -1  N  THR L  63   O  THR L  74           
SHEET    1   B 5 TYR L  53  ARG L  54  0                                        
SHEET    2   B 5 LYS L  45  TYR L  49 -1  N  TYR L  49   O  TYR L  53           
SHEET    3   B 5 VAL L  33  GLN L  38 -1  N  TRP L  35   O  LEU L  47           
SHEET    4   B 5 GLU L  85  GLN L  90 -1  O  GLU L  85   N  GLN L  38           
SHEET    5   B 5 THR L  97  PHE L  98 -1  O  THR L  97   N  GLN L  90           
SHEET    1   C 6 TYR L  53  ARG L  54  0                                        
SHEET    2   C 6 LYS L  45  TYR L  49 -1  N  TYR L  49   O  TYR L  53           
SHEET    3   C 6 VAL L  33  GLN L  38 -1  N  TRP L  35   O  LEU L  47           
SHEET    4   C 6 GLU L  85  GLN L  90 -1  O  GLU L  85   N  GLN L  38           
SHEET    5   C 6 THR L 102  ILE L 106 -1  O  THR L 102   N  TYR L  86           
SHEET    6   C 6 PHE L  10  THR L  13  1  N  MET L  11   O  GLU L 105           
SHEET    1   D 4 THR L 114  PHE L 118  0                                        
SHEET    2   D 4 GLY L 129  PHE L 139 -1  O  ASN L 137   N  THR L 114           
SHEET    3   D 4 TYR L 173  THR L 182 -1  O  LEU L 181   N  ALA L 130           
SHEET    4   D 4 VAL L 159  TRP L 163 -1  N  SER L 162   O  SER L 176           
SHEET    1   E 4 SER L 153  ARG L 155  0                                        
SHEET    2   E 4 ASN L 145  ILE L 150 -1  N  ILE L 150   O  SER L 153           
SHEET    3   E 4 SER L 191  THR L 197 -1  O  GLU L 195   N  LYS L 147           
SHEET    4   E 4 ILE L 205  ASN L 210 -1  O  ILE L 205   N  ALA L 196           
SHEET    1   F 4 GLN H   3  GLN H   6  0                                        
SHEET    2   F 4 VAL H  18  SER H  25 -1  O  LYS H  23   N  GLN H   5           
SHEET    3   F 4 THR H  77  LEU H  82 -1  O  MET H  80   N  ILE H  20           
SHEET    4   F 4 ALA H  67  ASP H  72 -1  N  ASP H  72   O  THR H  77           
SHEET    1   G 6 GLU H  10  VAL H  12  0                                        
SHEET    2   G 6 THR H 107  VAL H 111  1  O  THR H 110   N  VAL H  12           
SHEET    3   G 6 ALA H  88  MET H  94 -1  N  ALA H  88   O  LEU H 109           
SHEET    4   G 6 ILE H  34  GLN H  39 -1  N  HIS H  35   O  LYS H  93           
SHEET    5   G 6 LEU H  45  ILE H  51 -1  O  ILE H  48   N  TRP H  36           
SHEET    6   G 6 ILE H  57  TYR H  59 -1  O  LYS H  58   N  TYR H  50           
SHEET    1   H 4 SER H 120  LEU H 124  0                                        
SHEET    2   H 4 SER H 137  TYR H 147 -1  O  LYS H 145   N  SER H 120           
SHEET    3   H 4 LEU H 184  PRO H 194 -1  O  LEU H 187   N  VAL H 144           
SHEET    4   H 4 VAL H 171  THR H 173 -1  N  HIS H 172   O  SER H 190           
SHEET    1   I 4 SER H 120  LEU H 124  0                                        
SHEET    2   I 4 SER H 137  TYR H 147 -1  O  LYS H 145   N  SER H 120           
SHEET    3   I 4 LEU H 184  PRO H 194 -1  O  LEU H 187   N  VAL H 144           
SHEET    4   I 4 VAL H 177  GLN H 179 -1  N  GLN H 179   O  LEU H 184           
SHEET    1   J 3 THR H 153  TRP H 157  0                                        
SHEET    2   J 3 THR H 206  HIS H 212 -1  O  ASN H 209   N  THR H 156           
SHEET    3   J 3 THR H 217  LYS H 222 -1  O  VAL H 219   N  VAL H 210           
SSBOND   1 CYS L   23    CYS L   88                          1555   1555  2.06  
SSBOND   2 CYS L  134    CYS L  194                          1555   1555  2.04  
SSBOND   3 CYS H   22    CYS H   92                          1555   1555  2.07  
SSBOND   4 CYS H  142    CYS H  208                          1555   1555  2.02  
CISPEP   1 TYR L   94    PRO L   95          0        -4.47                     
CISPEP   2 TYR L  140    PRO L  141          0         2.18                     
CISPEP   3 PHE H  148    PRO H  149          0        -6.28                     
CISPEP   4 GLU H  150    PRO H  151          0        -4.81                     
CISPEP   5 TRP H  199    PRO H  200          0         7.84                     
SITE     1 AC1 15 HIS H  35  LYS H  93  GLU H  95  TYR H  96                    
SITE     2 AC1 15 SER H 168  HOH H 643  HOH H 698  HOH H 776                    
SITE     3 AC1 15 ALA L  34  PHE L  36  TYR L  49  GLN L  89                    
SITE     4 AC1 15 TYR L  91  TYR L  96  HOH L 276                               
CRYST1   45.320   83.310  107.180  90.00  90.00  90.00 P 21 21 21    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      0.022065  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012003  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009330        0.00000