HEADER    IMMUNE SYSTEM                           06-FEB-07   2OSL              
TITLE     CRYSTAL STRUCTURE OF RITUXIMAB FAB IN COMPLEX WITH AN EPITOPE PEPTIDE 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: LIGHT CHAIN OF THE RITUXIMAB FAB FRAGMENT,LIGHT CHAIN OF   
COMPND   3 THE RITUXIMAB FAB FRAGMENT;                                          
COMPND   4 CHAIN: L, B;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 OTHER_DETAILS: THE PROTEIN WAS PRODUCED AS A CHIMERIC FAB FRAGMENT.  
COMPND   7 RESIDUES 1-106 IS FROM MURINE AND 107-213 IS FROM HUMAN.;            
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: HEAVY CHAIN OF THE RITUXIMAB FAB FRAGMENT,HEAVY CHAIN OF   
COMPND  10 THE RITUXIMAB FAB FRAGMENT;                                          
COMPND  11 CHAIN: H, A;                                                         
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 OTHER_DETAILS: THE PROTEIN WAS PRODUCED AS A CHIMERIC FAB FRAGMENT.  
COMPND  14 RESIDUES 1-121 IS FROM MURINE AND 122-224 IS FROM HUMAN.;            
COMPND  15 MOL_ID: 3;                                                           
COMPND  16 MOLECULE: B-LYMPHOCYTE ANTIGEN CD20;                                 
COMPND  17 CHAIN: P, Q;                                                         
COMPND  18 FRAGMENT: EPITOPE PEPTIDE;                                           
COMPND  19 SYNONYM: B-LYMPHOCYTE SURFACE ANTIGEN B1,BP35,LEUKOCYTE SURFACE      
COMPND  20 ANTIGEN LEU-16,MEMBRANE-SPANNING 4-DOMAINS SUBFAMILY A MEMBER 1;     
COMPND  21 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MUS MUSCULUS, HOMO SAPIENS;                     
SOURCE   3 ORGANISM_COMMON: HOUSE MOUSE, HUMAN;                                 
SOURCE   4 ORGANISM_TAXID: 10090, 9606;                                         
SOURCE   5 EXPRESSION_SYSTEM: SYNTHETIC CONSTRUCT;                              
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 32630;                                      
SOURCE   7 OTHER_DETAILS: THE ANTIBODY WAS PURCHASED FROM ROCHE.;               
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 ORGANISM_SCIENTIFIC: MUS MUSCULUS, HOMO SAPIENS;                     
SOURCE  10 ORGANISM_COMMON: HOUSE MOUSE, HUMAN;                                 
SOURCE  11 ORGANISM_TAXID: 10090, 9606;                                         
SOURCE  12 EXPRESSION_SYSTEM: SYNTHETIC CONSTRUCT;                              
SOURCE  13 EXPRESSION_SYSTEM_TAXID: 32630;                                      
SOURCE  14 OTHER_DETAILS: THE ANTIBODY WAS PURCHASED FROM ROCHE.;               
SOURCE  15 MOL_ID: 3;                                                           
SOURCE  16 SYNTHETIC: YES;                                                      
SOURCE  17 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  18 ORGANISM_COMMON: HUMAN;                                              
SOURCE  19 ORGANISM_TAXID: 9606;                                                
SOURCE  20 OTHER_DETAILS: THE EPITOPE PEPTIDE WAS SYNTHESIZED AT SHANGHAI       
SOURCE  21 SCIENCE PEPTIDE BIOLOGICAL TECHNOLOGY                                
KEYWDS    FAB-PEPTIDE COMPLEX, RITUXIMAB, CHIMERIC ANTIBODY, IMMUNE SYSTEM      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.DU,C.ZHONG,J.DING                                                   
REVDAT   9   16-OCT-24 2OSL    1       REMARK                                   
REVDAT   8   10-APR-24 2OSL    1       SOURCE                                   
REVDAT   7   25-OCT-23 2OSL    1       REMARK                                   
REVDAT   6   17-JUN-20 2OSL    1       SOURCE                                   
REVDAT   5   15-JAN-20 2OSL    1       COMPND SOURCE DBREF                      
REVDAT   4   18-OCT-17 2OSL    1       REMARK                                   
REVDAT   3   24-FEB-09 2OSL    1       VERSN                                    
REVDAT   2   26-JUN-07 2OSL    1       JRNL   REMARK                            
REVDAT   1   10-APR-07 2OSL    0                                                
JRNL        AUTH   J.DU,H.WANG,C.ZHONG,B.PENG,M.ZHANG,B.LI,S.HUO,Y.GUO,J.DING   
JRNL        TITL   STRUCTURAL BASIS FOR RECOGNITION OF CD20 BY THERAPEUTIC      
JRNL        TITL 2 ANTIBODY RITUXIMAB                                           
JRNL        REF    J.BIOL.CHEM.                  V. 282 15073 2007              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   17395584                                                     
JRNL        DOI    10.1074/JBC.M701654200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 43.97                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1491027.625                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 90.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 29131                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.239                           
REMARK   3   FREE R VALUE                     : 0.296                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1460                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.008                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.76                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 91.90                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 4600                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3560                       
REMARK   3   BIN FREE R VALUE                    : 0.4280                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.80                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 230                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.028                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6888                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 212                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 62.75                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 49.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 9.91000                                              
REMARK   3    B22 (A**2) : -1.32000                                             
REMARK   3    B33 (A**2) : -8.59000                                             
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) : 0.37                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.40                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.50                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.57                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.600                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 29.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.880                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 3.100 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 4.920 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.260 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 5.820 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.34                                                 
REMARK   3   BSOL        : 35.90                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2OSL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 08-FEB-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000041534.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-NOV-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : PHOTON FACTORY                     
REMARK 200  BEAMLINE                       : AR-NW12A                           
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0000                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000                    
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK, HKL-2000                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 29570                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 90.6                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : 0.07600                            
REMARK 200  R SYM                      (I) : 0.07600                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.9000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.69                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.43400                            
REMARK 200  R SYM FOR SHELL            (I) : 0.43400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
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: PDB ENTRY 1AD0                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.14                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M CALCIUM ACETATE, 0.1M SODIUM        
REMARK 280  CACODYLATE, 18% PEG8000, PH 6.5, VAPOR DIFFUSION, HANGING DROP,     
REMARK 280  TEMPERATURE 277K                                                    
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       48.21050            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       53.62050            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       49.40450            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       53.62050            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       48.21050            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       49.40450            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICAL ASSEMBLY IS MONOMER.                          
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: TRIMERIC                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, H, P                               
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, A, Q                               
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     LYS A   222                                                      
REMARK 465     SER A   223                                                      
REMARK 465     CYS A   224                                                      
REMARK 465     ASN P   163                                                      
REMARK 465     ILE P   164                                                      
REMARK 465     TYR P   165                                                      
REMARK 465     ASN P   166                                                      
REMARK 465     GLN P   187                                                      
REMARK 465     ASN Q   163                                                      
REMARK 465     ILE Q   164                                                      
REMARK 465     GLN Q   187                                                      
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    THR L  50      -51.33     65.09                                   
REMARK 500    GLU L  80        6.85    -68.09                                   
REMARK 500    ALA L  83      177.95    163.68                                   
REMARK 500    LYS L 125       30.15    -83.12                                   
REMARK 500    SER L 126       -5.69   -150.40                                   
REMARK 500    LYS L 189      -64.43    -95.18                                   
REMARK 500    GLN L 198      -39.16    -38.38                                   
REMARK 500    CYS H  22       86.62   -164.50                                   
REMARK 500    SER H  85       71.28     32.03                                   
REMARK 500    ALA H  92     -171.40   -175.42                                   
REMARK 500    TYR H 101       83.58     60.29                                   
REMARK 500    LYS H 137      179.41     52.64                                   
REMARK 500    THR H 168      -35.94   -130.05                                   
REMARK 500    PRO H 210       11.62    -59.78                                   
REMARK 500    SER H 211        9.99   -150.04                                   
REMARK 500    PRO B  15      106.27    -58.09                                   
REMARK 500    THR B  50      -54.42     67.65                                   
REMARK 500    ALA B  83     -166.01    179.37                                   
REMARK 500    LYS B 125      -72.73    -71.43                                   
REMARK 500    ALA B 129      113.56     57.96                                   
REMARK 500    ASN B 137       75.49     42.55                                   
REMARK 500    LYS B 168      -63.36    -93.15                                   
REMARK 500    LEU B 180     -131.78   -123.33                                   
REMARK 500    PRO A  53      -39.35    -38.74                                   
REMARK 500    GLN A  62      -41.17    -26.01                                   
REMARK 500    SER A  85       83.82     44.55                                   
REMARK 500    ALA A  92     -162.70   -175.71                                   
REMARK 500    THR A 100      -68.52   -137.15                                   
REMARK 500    THR A 139       56.80     39.89                                   
REMARK 500    ASP A 152       79.18     66.56                                   
REMARK 500    PRO A 155     -154.02   -108.15                                   
REMARK 500    PRO A 210        5.62    -68.65                                   
REMARK 500    SER P 173        2.62    -66.58                                   
REMARK 500    LYS P 175      -37.86    -33.59                                   
REMARK 500    PRO Q 172      -37.92    -38.50                                   
REMARK 500    SER Q 173        1.11    -63.12                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 SEQUENCE DATABASE REFERENCES FOR CHAIN L, B AND                      
REMARK 999 CHAIN H, A DO NOT CURRENTLY EXIST.                                   
DBREF  2OSL L    1   106  PDB    2OSL     2OSL             1    106             
DBREF  2OSL L  107   213  PDB    2OSL     2OSL           107    213             
DBREF  2OSL H    1   121  PDB    2OSL     2OSL             1    121             
DBREF  2OSL H  122   224  PDB    2OSL     2OSL           122    224             
DBREF  2OSL B    1   106  PDB    2OSL     2OSL             1    106             
DBREF  2OSL B  107   213  PDB    2OSL     2OSL           107    213             
DBREF  2OSL A    1   121  PDB    2OSL     2OSL             1    121             
DBREF  2OSL A  122   224  PDB    2OSL     2OSL           122    224             
DBREF  2OSL P  163   187  UNP    P11836   CD20_HUMAN     163    187             
DBREF  2OSL Q  163   187  UNP    P11836   CD20_HUMAN     163    187             
SEQRES   1 L  213  GLN ILE VAL LEU SER GLN SER PRO ALA ILE LEU SER ALA          
SEQRES   2 L  213  SER PRO GLY GLU LYS VAL THR MET THR CYS ARG ALA SER          
SEQRES   3 L  213  SER SER VAL SER TYR ILE HIS TRP PHE GLN GLN LYS PRO          
SEQRES   4 L  213  GLY SER SER PRO LYS PRO TRP ILE TYR ALA THR SER ASN          
SEQRES   5 L  213  LEU ALA SER GLY VAL PRO VAL ARG PHE SER GLY SER GLY          
SEQRES   6 L  213  SER GLY THR SER TYR SER LEU THR ILE SER ARG VAL GLU          
SEQRES   7 L  213  ALA GLU ASP ALA ALA THR TYR TYR CYS GLN GLN TRP THR          
SEQRES   8 L  213  SER ASN PRO PRO THR PHE GLY GLY GLY THR LYS LEU GLU          
SEQRES   9 L  213  ILE LYS ARG THR VAL ALA ALA PRO SER VAL PHE ILE PHE          
SEQRES  10 L  213  PRO PRO SER ASP GLU GLN LEU LYS SER GLY THR ALA SER          
SEQRES  11 L  213  VAL VAL CYS LEU LEU ASN ASN PHE TYR PRO ARG GLU ALA          
SEQRES  12 L  213  LYS VAL GLN TRP LYS VAL ASP ASN ALA LEU GLN SER GLY          
SEQRES  13 L  213  ASN SER GLN GLU SER VAL THR GLU GLN ASP SER LYS ASP          
SEQRES  14 L  213  SER THR TYR SER LEU SER SER THR LEU THR LEU SER LYS          
SEQRES  15 L  213  ALA ASP TYR GLU LYS HIS LYS VAL TYR ALA CYS GLU VAL          
SEQRES  16 L  213  THR HIS GLN GLY LEU SER SER PRO VAL THR LYS SER PHE          
SEQRES  17 L  213  ASN ARG GLY GLU CYS                                          
SEQRES   1 H  224  GLN VAL GLN LEU GLN GLN PRO GLY ALA GLU LEU VAL LYS          
SEQRES   2 H  224  PRO GLY ALA SER VAL LYS MET SER CYS LYS ALA SER GLY          
SEQRES   3 H  224  TYR THR PHE THR SER TYR ASN MET HIS TRP VAL LYS GLN          
SEQRES   4 H  224  THR PRO GLY ARG GLY LEU GLU TRP ILE GLY ALA ILE TYR          
SEQRES   5 H  224  PRO GLY ASN GLY ASP THR SER TYR ASN GLN LYS PHE LYS          
SEQRES   6 H  224  GLY LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR          
SEQRES   7 H  224  ALA TYR MET GLN LEU SER SER LEU THR SER GLU ASP SER          
SEQRES   8 H  224  ALA VAL TYR TYR CYS ALA ARG SER THR TYR TYR GLY GLY          
SEQRES   9 H  224  ASP TRP TYR PHE ASN VAL TRP GLY ALA GLY THR THR VAL          
SEQRES  10 H  224  THR VAL SER ALA ALA SER THR LYS GLY PRO SER VAL PHE          
SEQRES  11 H  224  PRO LEU ALA PRO SER SER LYS SER THR SER GLY GLY THR          
SEQRES  12 H  224  ALA ALA LEU GLY CYS LEU VAL LYS ASP TYR PHE PRO GLU          
SEQRES  13 H  224  PRO VAL THR VAL SER TRP ASN SER GLY ALA LEU THR SER          
SEQRES  14 H  224  GLY VAL HIS THR PHE PRO ALA VAL LEU GLN SER SER GLY          
SEQRES  15 H  224  LEU TYR SER LEU SER SER VAL VAL THR VAL PRO SER SER          
SEQRES  16 H  224  SER LEU GLY THR GLN THR TYR ILE CYS ASN VAL ASN HIS          
SEQRES  17 H  224  LYS PRO SER ASN THR LYS VAL ASP LYS LYS VAL GLU PRO          
SEQRES  18 H  224  LYS SER CYS                                                  
SEQRES   1 B  213  GLN ILE VAL LEU SER GLN SER PRO ALA ILE LEU SER ALA          
SEQRES   2 B  213  SER PRO GLY GLU LYS VAL THR MET THR CYS ARG ALA SER          
SEQRES   3 B  213  SER SER VAL SER TYR ILE HIS TRP PHE GLN GLN LYS PRO          
SEQRES   4 B  213  GLY SER SER PRO LYS PRO TRP ILE TYR ALA THR SER ASN          
SEQRES   5 B  213  LEU ALA SER GLY VAL PRO VAL ARG PHE SER GLY SER GLY          
SEQRES   6 B  213  SER GLY THR SER TYR SER LEU THR ILE SER ARG VAL GLU          
SEQRES   7 B  213  ALA GLU ASP ALA ALA THR TYR TYR CYS GLN GLN TRP THR          
SEQRES   8 B  213  SER ASN PRO PRO THR PHE GLY GLY GLY THR LYS LEU GLU          
SEQRES   9 B  213  ILE LYS ARG THR VAL ALA ALA PRO SER VAL PHE ILE PHE          
SEQRES  10 B  213  PRO PRO SER ASP GLU GLN LEU LYS SER GLY THR ALA SER          
SEQRES  11 B  213  VAL VAL CYS LEU LEU ASN ASN PHE TYR PRO ARG GLU ALA          
SEQRES  12 B  213  LYS VAL GLN TRP LYS VAL ASP ASN ALA LEU GLN SER GLY          
SEQRES  13 B  213  ASN SER GLN GLU SER VAL THR GLU GLN ASP SER LYS ASP          
SEQRES  14 B  213  SER THR TYR SER LEU SER SER THR LEU THR LEU SER LYS          
SEQRES  15 B  213  ALA ASP TYR GLU LYS HIS LYS VAL TYR ALA CYS GLU VAL          
SEQRES  16 B  213  THR HIS GLN GLY LEU SER SER PRO VAL THR LYS SER PHE          
SEQRES  17 B  213  ASN ARG GLY GLU CYS                                          
SEQRES   1 A  224  GLN VAL GLN LEU GLN GLN PRO GLY ALA GLU LEU VAL LYS          
SEQRES   2 A  224  PRO GLY ALA SER VAL LYS MET SER CYS LYS ALA SER GLY          
SEQRES   3 A  224  TYR THR PHE THR SER TYR ASN MET HIS TRP VAL LYS GLN          
SEQRES   4 A  224  THR PRO GLY ARG GLY LEU GLU TRP ILE GLY ALA ILE TYR          
SEQRES   5 A  224  PRO GLY ASN GLY ASP THR SER TYR ASN GLN LYS PHE LYS          
SEQRES   6 A  224  GLY LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR          
SEQRES   7 A  224  ALA TYR MET GLN LEU SER SER LEU THR SER GLU ASP SER          
SEQRES   8 A  224  ALA VAL TYR TYR CYS ALA ARG SER THR TYR TYR GLY GLY          
SEQRES   9 A  224  ASP TRP TYR PHE ASN VAL TRP GLY ALA GLY THR THR VAL          
SEQRES  10 A  224  THR VAL SER ALA ALA SER THR LYS GLY PRO SER VAL PHE          
SEQRES  11 A  224  PRO LEU ALA PRO SER SER LYS SER THR SER GLY GLY THR          
SEQRES  12 A  224  ALA ALA LEU GLY CYS LEU VAL LYS ASP TYR PHE PRO GLU          
SEQRES  13 A  224  PRO VAL THR VAL SER TRP ASN SER GLY ALA LEU THR SER          
SEQRES  14 A  224  GLY VAL HIS THR PHE PRO ALA VAL LEU GLN SER SER GLY          
SEQRES  15 A  224  LEU TYR SER LEU SER SER VAL VAL THR VAL PRO SER SER          
SEQRES  16 A  224  SER LEU GLY THR GLN THR TYR ILE CYS ASN VAL ASN HIS          
SEQRES  17 A  224  LYS PRO SER ASN THR LYS VAL ASP LYS LYS VAL GLU PRO          
SEQRES  18 A  224  LYS SER CYS                                                  
SEQRES   1 P   25  ASN ILE TYR ASN CYS GLU PRO ALA ASN PRO SER GLU LYS          
SEQRES   2 P   25  ASN SER PRO SER THR GLN TYR CYS TYR SER ILE GLN              
SEQRES   1 Q   25  ASN ILE TYR ASN CYS GLU PRO ALA ASN PRO SER GLU LYS          
SEQRES   2 Q   25  ASN SER PRO SER THR GLN TYR CYS TYR SER ILE GLN              
FORMUL   7  HOH   *212(H2 O)                                                    
HELIX    1   1 GLU L   78  ALA L   82  5                                   5    
HELIX    2   2 SER L  120  LYS L  125  1                                   6    
HELIX    3   3 LYS L  182  GLU L  186  1                                   5    
HELIX    4   4 THR H   28  TYR H   32  5                                   5    
HELIX    5   5 GLN H   62  LYS H   65  5                                   4    
HELIX    6   6 THR H   87  SER H   91  5                                   5    
HELIX    7   7 SER H  195  GLY H  198  5                                   4    
HELIX    8   8 LYS H  209  ASN H  212  5                                   4    
HELIX    9   9 GLU B   78  ALA B   82  5                                   5    
HELIX   10  10 SER B  120  SER B  126  1                                   7    
HELIX   11  11 SER B  181  GLU B  186  1                                   6    
HELIX   12  12 THR A   28  TYR A   32  5                                   5    
HELIX   13  13 GLN A   62  LYS A   65  5                                   4    
HELIX   14  14 THR A   87  SER A   91  5                                   5    
HELIX   15  15 SER A  164  ALA A  166  5                                   3    
HELIX   16  16 LYS A  209  ASN A  212  5                                   4    
HELIX   17  17 ASN P  171  LYS P  175  5                                   5    
HELIX   18  18 SER P  177  SER P  185  1                                   9    
HELIX   19  19 ASN Q  171  LYS Q  175  5                                   5    
HELIX   20  20 SER Q  177  SER Q  185  1                                   9    
SHEET    1   A 4 LEU L   4  SER L   7  0                                        
SHEET    2   A 4 VAL L  19  ALA L  25 -1  O  ARG L  24   N  SER L   5           
SHEET    3   A 4 SER L  69  ILE L  74 -1  O  LEU L  72   N  MET L  21           
SHEET    4   A 4 PHE L  61  SER L  66 -1  N  SER L  66   O  SER L  69           
SHEET    1   B 6 ILE L  10  ALA L  13  0                                        
SHEET    2   B 6 THR L 101  ILE L 105  1  O  LYS L 102   N  LEU L  11           
SHEET    3   B 6 ALA L  83  GLN L  89 -1  N  ALA L  83   O  LEU L 103           
SHEET    4   B 6 ILE L  32  GLN L  37 -1  N  PHE L  35   O  TYR L  86           
SHEET    5   B 6 LYS L  44  TYR L  48 -1  O  LYS L  44   N  GLN L  36           
SHEET    6   B 6 ASN L  52  LEU L  53 -1  O  ASN L  52   N  TYR L  48           
SHEET    1   C 4 ILE L  10  ALA L  13  0                                        
SHEET    2   C 4 THR L 101  ILE L 105  1  O  LYS L 102   N  LEU L  11           
SHEET    3   C 4 ALA L  83  GLN L  89 -1  N  ALA L  83   O  LEU L 103           
SHEET    4   C 4 THR L  96  PHE L  97 -1  O  THR L  96   N  GLN L  89           
SHEET    1   D 4 SER L 113  PHE L 117  0                                        
SHEET    2   D 4 THR L 128  PHE L 138 -1  O  LEU L 134   N  PHE L 115           
SHEET    3   D 4 TYR L 172  SER L 181 -1  O  LEU L 178   N  VAL L 131           
SHEET    4   D 4 SER L 158  VAL L 162 -1  N  SER L 161   O  SER L 175           
SHEET    1   E 4 ALA L 152  LEU L 153  0                                        
SHEET    2   E 4 LYS L 144  VAL L 149 -1  N  VAL L 149   O  ALA L 152           
SHEET    3   E 4 VAL L 190  THR L 196 -1  O  ALA L 192   N  LYS L 148           
SHEET    4   E 4 VAL L 204  ASN L 209 -1  O  VAL L 204   N  VAL L 195           
SHEET    1   F 4 GLN H   3  GLN H   5  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  78  LEU H  83 -1  O  LEU H  83   N  VAL H  18           
SHEET    4   F 4 ALA H  68  ASP H  73 -1  N  THR H  71   O  TYR H  80           
SHEET    1   G 6 ALA H   9  VAL H  12  0                                        
SHEET    2   G 6 THR H 115  VAL H 119  1  O  THR H 118   N  VAL H  12           
SHEET    3   G 6 ALA H  92  THR H 100 -1  N  ALA H  92   O  VAL H 117           
SHEET    4   G 6 MET H  34  THR H  40 -1  N  HIS H  35   O  ALA H  97           
SHEET    5   G 6 GLY H  44  ILE H  51 -1  O  GLU H  46   N  LYS H  38           
SHEET    6   G 6 THR H  58  TYR H  60 -1  O  SER H  59   N  ALA H  50           
SHEET    1   H 4 ALA H   9  VAL H  12  0                                        
SHEET    2   H 4 THR H 115  VAL H 119  1  O  THR H 118   N  VAL H  12           
SHEET    3   H 4 ALA H  92  THR H 100 -1  N  ALA H  92   O  VAL H 117           
SHEET    4   H 4 TYR H 107  TRP H 111 -1  O  VAL H 110   N  ARG H  98           
SHEET    1   I 4 SER H 128  LEU H 132  0                                        
SHEET    2   I 4 THR H 143  TYR H 153 -1  O  LEU H 149   N  PHE H 130           
SHEET    3   I 4 TYR H 184  PRO H 193 -1  O  VAL H 190   N  LEU H 146           
SHEET    4   I 4 VAL H 171  THR H 173 -1  N  HIS H 172   O  VAL H 189           
SHEET    1   J 4 SER H 128  LEU H 132  0                                        
SHEET    2   J 4 THR H 143  TYR H 153 -1  O  LEU H 149   N  PHE H 130           
SHEET    3   J 4 TYR H 184  PRO H 193 -1  O  VAL H 190   N  LEU H 146           
SHEET    4   J 4 VAL H 177  LEU H 178 -1  N  VAL H 177   O  SER H 185           
SHEET    1   K 3 THR H 159  TRP H 162  0                                        
SHEET    2   K 3 ILE H 203  HIS H 208 -1  O  ASN H 207   N  THR H 159           
SHEET    3   K 3 THR H 213  LYS H 218 -1  O  VAL H 215   N  VAL H 206           
SHEET    1   L 4 LEU B   4  SER B   7  0                                        
SHEET    2   L 4 VAL B  19  ALA B  25 -1  O  THR B  22   N  SER B   7           
SHEET    3   L 4 SER B  69  ILE B  74 -1  O  ILE B  74   N  VAL B  19           
SHEET    4   L 4 PHE B  61  SER B  66 -1  N  SER B  64   O  SER B  71           
SHEET    1   M 6 ILE B  10  ALA B  13  0                                        
SHEET    2   M 6 THR B 101  ILE B 105  1  O  LYS B 102   N  LEU B  11           
SHEET    3   M 6 ALA B  83  GLN B  89 -1  N  ALA B  83   O  LEU B 103           
SHEET    4   M 6 ILE B  32  GLN B  37 -1  N  PHE B  35   O  TYR B  86           
SHEET    5   M 6 LYS B  44  TYR B  48 -1  O  LYS B  44   N  GLN B  36           
SHEET    6   M 6 ASN B  52  LEU B  53 -1  O  ASN B  52   N  TYR B  48           
SHEET    1   N 4 ILE B  10  ALA B  13  0                                        
SHEET    2   N 4 THR B 101  ILE B 105  1  O  LYS B 102   N  LEU B  11           
SHEET    3   N 4 ALA B  83  GLN B  89 -1  N  ALA B  83   O  LEU B 103           
SHEET    4   N 4 THR B  96  PHE B  97 -1  O  THR B  96   N  GLN B  89           
SHEET    1   O 4 SER B 113  PHE B 117  0                                        
SHEET    2   O 4 SER B 130  PHE B 138 -1  O  LEU B 134   N  PHE B 115           
SHEET    3   O 4 TYR B 172  THR B 179 -1  O  SER B 176   N  CYS B 133           
SHEET    4   O 4 SER B 158  VAL B 162 -1  N  SER B 161   O  SER B 175           
SHEET    1   P 4 ALA B 152  LEU B 153  0                                        
SHEET    2   P 4 LYS B 144  VAL B 149 -1  N  VAL B 149   O  ALA B 152           
SHEET    3   P 4 VAL B 190  THR B 196 -1  O  ALA B 192   N  LYS B 148           
SHEET    4   P 4 VAL B 204  ASN B 209 -1  O  VAL B 204   N  VAL B 195           
SHEET    1   Q 4 GLN A   3  GLN A   5  0                                        
SHEET    2   Q 4 VAL A  18  SER A  25 -1  O  LYS A  23   N  GLN A   5           
SHEET    3   Q 4 THR A  78  LEU A  83 -1  O  LEU A  83   N  VAL A  18           
SHEET    4   Q 4 ALA A  68  ASP A  73 -1  N  THR A  71   O  TYR A  80           
SHEET    1   R 6 ALA A   9  VAL A  12  0                                        
SHEET    2   R 6 THR A 115  VAL A 119  1  O  THR A 118   N  VAL A  12           
SHEET    3   R 6 ALA A  92  SER A  99 -1  N  ALA A  92   O  VAL A 117           
SHEET    4   R 6 MET A  34  THR A  40 -1  N  VAL A  37   O  TYR A  95           
SHEET    5   R 6 GLY A  44  ILE A  51 -1  O  ILE A  51   N  MET A  34           
SHEET    6   R 6 THR A  58  TYR A  60 -1  O  SER A  59   N  ALA A  50           
SHEET    1   S 4 ALA A   9  VAL A  12  0                                        
SHEET    2   S 4 THR A 115  VAL A 119  1  O  THR A 118   N  VAL A  12           
SHEET    3   S 4 ALA A  92  SER A  99 -1  N  ALA A  92   O  VAL A 117           
SHEET    4   S 4 PHE A 108  TRP A 111 -1  O  VAL A 110   N  ARG A  98           
SHEET    1   T 4 SER A 128  LEU A 132  0                                        
SHEET    2   T 4 ALA A 144  TYR A 153 -1  O  LEU A 149   N  PHE A 130           
SHEET    3   T 4 TYR A 184  VAL A 192 -1  O  VAL A 190   N  LEU A 146           
SHEET    4   T 4 VAL A 171  THR A 173 -1  N  HIS A 172   O  VAL A 189           
SHEET    1   U 4 SER A 128  LEU A 132  0                                        
SHEET    2   U 4 ALA A 144  TYR A 153 -1  O  LEU A 149   N  PHE A 130           
SHEET    3   U 4 TYR A 184  VAL A 192 -1  O  VAL A 190   N  LEU A 146           
SHEET    4   U 4 VAL A 177  LEU A 178 -1  N  VAL A 177   O  SER A 185           
SHEET    1   V 3 THR A 159  TRP A 162  0                                        
SHEET    2   V 3 ILE A 203  HIS A 208 -1  O  ASN A 205   N  SER A 161           
SHEET    3   V 3 THR A 213  LYS A 218 -1  O  THR A 213   N  HIS A 208           
SSBOND   1 CYS L   23    CYS L   87                          1555   1555  2.04  
SSBOND   2 CYS L  133    CYS L  193                          1555   1555  2.02  
SSBOND   3 CYS L  213    CYS H  224                          1555   1555  2.03  
SSBOND   4 CYS H   22    CYS H   96                          1555   1555  2.04  
SSBOND   5 CYS H  148    CYS H  204                          1555   1555  2.03  
SSBOND   6 CYS B   23    CYS B   87                          1555   1555  2.03  
SSBOND   7 CYS B  133    CYS B  193                          1555   1555  2.02  
SSBOND   8 CYS A   22    CYS A   96                          1555   1555  2.03  
SSBOND   9 CYS A  148    CYS A  204                          1555   1555  2.03  
SSBOND  10 CYS P  167    CYS P  183                          1555   1555  2.04  
SSBOND  11 CYS Q  167    CYS Q  183                          1555   1555  2.04  
CISPEP   1 SER L    7    PRO L    8          0         0.12                     
CISPEP   2 ASN L   93    PRO L   94          0        -1.37                     
CISPEP   3 TYR L  139    PRO L  140          0         0.36                     
CISPEP   4 PHE H  154    PRO H  155          0         0.91                     
CISPEP   5 GLU H  156    PRO H  157          0        -1.07                     
CISPEP   6 SER B    7    PRO B    8          0        -0.16                     
CISPEP   7 ASN B   93    PRO B   94          0         1.73                     
CISPEP   8 TYR B  139    PRO B  140          0        -0.52                     
CISPEP   9 PHE A  154    PRO A  155          0        -0.75                     
CISPEP  10 GLU A  156    PRO A  157          0        -0.96                     
CRYST1   96.421   98.809  107.241  90.00  90.00  90.00 P 21 21 21    8          
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      0.010371  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010121  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009325        0.00000