HEADER    IMMUNE SYSTEM                           08-DEC-99   1DL7              
TITLE     THE STRUCTURAL BASIS OF REPERTOIRE SHIFT IN AN IMMUNE RESPONSE TO     
TITLE    2 PHOSPHOCHOLINE                                                       
CAVEAT     1DL7    SER 112 H HAS INCORRECT CHIRALITY                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (ANTIBODY M3C65 (LIGHT CHAIN));                    
COMPND   3 CHAIN: L;                                                            
COMPND   4 FRAGMENT: FV (SINGLE CHAIN);                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 OTHER_DETAILS: COMBINED LIGHT AND HEAVY CHAIN VIA (G4S)3 LINKER;     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: PROTEIN (ANTIBODY M3C65 (HEAVY CHAIN));                    
COMPND   9 CHAIN: H;                                                            
COMPND  10 FRAGMENT: FV (SINGLE CHAIN);                                         
COMPND  11 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   3 ORGANISM_COMMON: MOUSE;                                              
SOURCE   4 ORGANISM_TAXID: 10090;                                               
SOURCE   5 GENE: HYBRIDOMA M3C65;                                               
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET3D;                                    
SOURCE  10 MOL_ID: 2;                                                           
SOURCE  11 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE  12 ORGANISM_COMMON: MOUSE;                                              
SOURCE  13 ORGANISM_TAXID: 10090;                                               
SOURCE  14 GENE: HYBRIDOMA M3C65;                                               
SOURCE  15 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  16 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  18 EXPRESSION_SYSTEM_PLASMID: PET3D                                     
KEYWDS    SINGLE CHAIN FV, REPERTOIRE SHIFT, IMMUNE SYSTEM                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.SCHUMACHER,M.BROWN                                                  
REVDAT   5   13-NOV-24 1DL7    1       REMARK                                   
REVDAT   4   04-OCT-17 1DL7    1       REMARK                                   
REVDAT   3   02-OCT-13 1DL7    1       SOURCE VERSN                             
REVDAT   2   24-FEB-09 1DL7    1       VERSN                                    
REVDAT   1   13-DEC-00 1DL7    0                                                
JRNL        AUTH   M.BROWN,M.A.SCHUMACHER,G.D.WIENS,R.G.BRENNAN,M.B.RITTENBERG  
JRNL        TITL   THE STRUCTURAL BASIS OF REPERTOIRE SHIFT IN AN IMMUNE        
JRNL        TITL 2 RESPONSE TO PHOSPHOCHOLINE.                                  
JRNL        REF    J.EXP.MED.                    V. 191  2101 2000              
JRNL        REFN                   ISSN 0022-1007                               
JRNL        PMID   10859335                                                     
JRNL        DOI    10.1084/JEM.191.12.2101                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.35 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT                                                  
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.35                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 84.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 8983                           
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.191                           
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.265                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 43                              
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 47930                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1680                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 20                                      
REMARK   3   SOLVENT ATOMS            : 79                                      
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : 20.000                          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.014 ; NULL  ; NULL            
REMARK   3   BOND ANGLES            (DEGREES) : 1.900 ; NULL  ; NULL            
REMARK   3   TORSION ANGLES         (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : NULL  ; NULL  ; NULL            
REMARK   3   GENERAL PLANES               (A) : NULL  ; NULL  ; NULL            
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : NULL  ; NULL  ; NULL            
REMARK   3   NON-BONDED CONTACTS          (A) : NULL  ; NULL  ; NULL            
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : ENGH AND HUBER                                   
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL                         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1DL7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-DEC-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000010178.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 298.                               
REMARK 200  PH                             : 6.5                                
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 RU300                       
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                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : BIOTEX                             
REMARK 200  DATA SCALING SOFTWARE          : BIOTEX                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 8983                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.350                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 10.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 84.0                               
REMARK 200  DATA REDUNDANCY                : 2.000                              
REMARK 200  R MERGE                    (I) : 0.07300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.42                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 52.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.30000                            
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: EPMR                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.43                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM/POTASSIUM PHOSPHATE, HEPES, PH    
REMARK 280  6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.K               
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       65.45000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       25.22500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       17.95000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       25.22500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       65.45000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       17.95000            
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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A DIMER OF ONE LIGHT CHAIN AND    
REMARK 300 ONE HEAVY CHAIN.                                                     
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: 1420 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10840 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.0 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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   OD1  ASP L    71     O    SER H   112     1554     0.98            
REMARK 500   CG   ASP L    71     O    SER H   112     1554     1.85            
REMARK 500   N    ASP L    71     O    SER H   112     1554     1.94            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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 H 112   N     SER H 112   CA      1.319                       
REMARK 500    SER H 112   CA    SER H 112   C       1.433                       
REMARK 500    SER H 112   C     SER H 112   O       3.813                       
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    PRO H  41   C   -  N   -  CD  ANGL. DEV. = -17.0 DEGREES          
REMARK 500    ARG H  92   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    SER H 112   N   -  CA  -  C   ANGL. DEV. =  26.8 DEGREES          
REMARK 500    SER H 112   CA  -  C   -  O   ANGL. DEV. = -16.7 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    TYR L  34       58.86     29.50                                   
REMARK 500    THR L  53      -42.45     56.37                                   
REMARK 500    LYS L  54       39.57   -150.62                                   
REMARK 500    PRO L  58       77.82    -55.92                                   
REMARK 500    SER L  67      178.42    179.29                                   
REMARK 500    ASP L  71       35.76    -94.05                                   
REMARK 500    ALA L  86     -175.40   -178.34                                   
REMARK 500    TYR L  94       51.57   -105.91                                   
REMARK 500    SER L  95      -45.31     81.13                                   
REMARK 500    ASN L  96       -4.08   -141.01                                   
REMARK 500    HIS L  97     -146.53   -126.79                                   
REMARK 500    GLN H   3      119.54   -174.12                                   
REMARK 500    LYS H   5      103.72   -166.92                                   
REMARK 500    GLU H   6       75.25    -68.14                                   
REMARK 500    SER H  15      -32.89     88.90                                   
REMARK 500    PHE H  27      162.57    177.80                                   
REMARK 500    TRP H  52      151.39    -43.89                                   
REMARK 500    SER H  61      -55.54    -21.41                                   
REMARK 500    ASN H  68       93.73   -173.91                                   
REMARK 500    ASP H  88       22.42    -67.20                                   
REMARK 500    ASP H  98     -175.32    -68.20                                   
REMARK 500    TYR H  99        6.94     42.50                                   
REMARK 500    THR H 107      111.86    175.17                                   
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 NCH L 999                 
DBREF  1DL7 L    1   109  PDB    1DL7     1DL7             1    109             
DBREF  1DL7 H    1   112  PDB    1DL7     1DL7             1    112             
SEQRES   1 L  109  GLN ALA VAL VAL THR GLN GLU SER ALA LEU THR THR SER          
SEQRES   2 L  109  PRO GLY GLU THR VAL THR LEU THR CYS ARG SER SER THR          
SEQRES   3 L  109  GLY ALA VAL THR THR SER ASN TYR ALA ASN TRP VAL GLN          
SEQRES   4 L  109  GLU LYS PRO ASP HIS LEU PHE THR GLY LEU ILE GLY GLY          
SEQRES   5 L  109  THR LYS HIS ARG THR PRO GLY ALA PRO ALA ARG PHE SER          
SEQRES   6 L  109  GLY SER LEU ILE GLY ASP LYS ALA ALA LEU THR ILE THR          
SEQRES   7 L  109  GLY ALA GLN THR GLU ASP GLU ALA ILE TYR PHE CYS ALA          
SEQRES   8 L  109  LEU TRP TYR SER ASN HIS TRP VAL PHE GLY GLY GLY THR          
SEQRES   9 L  109  LYS LEU THR VAL LEU                                          
SEQRES   1 H  112  GLN VAL GLN LEU LYS GLU SER GLY PRO GLY LEU VAL ALA          
SEQRES   2 H  112  PRO SER GLN SER LEU SER ILE THR CYS THR VAL SER GLY          
SEQRES   3 H  112  PHE SER LEU THR GLY TYR GLY VAL ASN TRP VAL ARG GLN          
SEQRES   4 H  112  PRO PRO GLY LYS GLY LEU GLU TRP LEU GLY MET ILE TRP          
SEQRES   5 H  112  GLY ASP GLY SER THR ASP TYR ASN SER ALA LEU LYS SER          
SEQRES   6 H  112  ARG LEU ASN ILE SER LYS ASP LYS SER LYS SER GLN VAL          
SEQRES   7 H  112  PHE LEU ARG MET TYR SER LEU GLN THR ASP ASP THR ALA          
SEQRES   8 H  112  ARG TYR TYR CYS ALA ARG ASP TYR GLY PRO TYR TRP GLY          
SEQRES   9 H  112  GLN GLY THR LEU VAL THR VAL SER                              
HET    NCH  L 999      20                                                       
HETNAM     NCH P-NITROPHENYL-PHOSPHOCHOLINE                                     
FORMUL   3  NCH    C11 H18 N2 O6 P 1+                                           
FORMUL   4  HOH   *79(H2 O)                                                     
HELIX    1   1 GLN L   81  GLU L   85  5                                   5    
HELIX    2   2 SER H   61  LYS H   64  5                                   4    
HELIX    3   3 GLN H   86  THR H   90  5                                   5    
SHEET    1   A 2 VAL L   4  THR L   5  0                                        
SHEET    2   A 2 ARG L  23  SER L  24 -1  N  ARG L  23   O  THR L   5           
SHEET    1   B 5 HIS L  55  ARG L  56  0                                        
SHEET    2   B 5 LEU L  45  GLY L  51 -1  O  GLY L  51   N  HIS L  55           
SHEET    3   B 5 ASN L  36  LYS L  41 -1  O  TRP L  37   N  LEU L  49           
SHEET    4   B 5 ALA L  86  LEU L  92 -1  O  ILE L  87   N  GLU L  40           
SHEET    5   B 5 VAL L  99  PHE L 100 -1  O  VAL L  99   N  LEU L  92           
SHEET    1  B1 6 HIS L  55  ARG L  56  0                                        
SHEET    2  B1 6 LEU L  45  GLY L  51 -1  O  GLY L  51   N  HIS L  55           
SHEET    3  B1 6 ASN L  36  LYS L  41 -1  O  TRP L  37   N  LEU L  49           
SHEET    4  B1 6 ALA L  86  LEU L  92 -1  O  ILE L  87   N  GLU L  40           
SHEET    5  B1 6 THR L 104  VAL L 108 -1  O  THR L 104   N  TYR L  88           
SHEET    6  B1 6 ALA L   9  THR L  12  1  N  LEU L  10   O  LYS L 105           
SHEET    1   C 3 THR L  17  LEU L  20  0                                        
SHEET    2   C 3 LYS L  72  THR L  78 -1  O  LEU L  75   N  LEU L  20           
SHEET    3   C 3 PHE L  64  ILE L  69 -1  O  SER L  65   N  THR L  76           
SHEET    1   D 3 LEU H  18  THR H  23  0                                        
SHEET    2   D 3 GLN H  77  MET H  82 -1  O  VAL H  78   N  CYS H  22           
SHEET    3   D 3 SER H  70  ASP H  72 -1  O  SER H  70   N  PHE H  79           
SHEET    1   E 5 THR H  57  TYR H  59  0                                        
SHEET    2   E 5 GLU H  46  ILE H  51 -1  N  MET H  50   O  ASP H  58           
SHEET    3   E 5 VAL H  34  GLN H  39 -1  O  VAL H  34   N  ILE H  51           
SHEET    4   E 5 ALA H  91  ARG H  97 -1  O  ARG H  92   N  GLN H  39           
SHEET    5   E 5 LEU H 108  VAL H 109 -1  N  VAL H 109   O  ALA H  91           
SSBOND   1 CYS L   22    CYS L   90                          1555   1555  2.03  
SSBOND   2 CYS H   22    CYS H   95                          1555   1555  2.04  
CISPEP   1 GLY H  100    PRO H  101          0        -1.03                     
SITE     1 AC1 12 TRP H  52  TYR H  83  ASP H  98  TYR H  99                    
SITE     2 AC1 12 TYR L  34  ASN L  36  GLY L  51  GLY L  52                    
SITE     3 AC1 12 HIS L  55  TRP L  93  HOH L1023  HOH L1026                    
CRYST1  130.900   35.900   50.450  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      0.007639  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.027855  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019822        0.00000