HEADER    IMMUNE SYSTEM                           11-DEC-14   4X99              
TITLE     IMMUNOGLOBULIN FC HETERODIMERS VARIANT                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: IG GAMMA-1 CHAIN C REGION;                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 108-330;                                      
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: IG GAMMA-1 CHAIN C REGION;                                 
COMPND   9 CHAIN: B;                                                            
COMPND  10 FRAGMENT: UNP RESIDUES 108-330;                                      
COMPND  11 ENGINEERED: YES;                                                     
COMPND  12 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: IGHG1;                                                         
SOURCE   6 EXPRESSION_SYSTEM: HOMO SAPIENS;                                     
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 9606;                                       
SOURCE   8 EXPRESSION_SYSTEM_CELL_LINE: HEK293F;                                
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  11 ORGANISM_COMMON: HUMAN;                                              
SOURCE  12 ORGANISM_TAXID: 9606;                                                
SOURCE  13 GENE: IGHG1;                                                         
SOURCE  14 EXPRESSION_SYSTEM: HOMO SAPIENS;                                     
SOURCE  15 EXPRESSION_SYSTEM_TAXID: 9606;                                       
SOURCE  16 EXPRESSION_SYSTEM_CELL_LINE: HEK293F                                 
KEYWDS    BISPECIFIC ANTIBODY, IMMUNOGLOBULIN FC HETERODIMER, CH3 DOMAIN        
KEYWDS   2 INTERFACE, ASYMMETRIC DISULFIDE BONDS, THERMAL STABILITY, FC         
KEYWDS   3 ENGINEERING, IMMUNE SYSTEM                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.H.SEOK,H.J.CHOI,Y.J.KIM,M.D.SEO,Y.S.KIM                             
REVDAT   4   13-NOV-24 4X99    1       REMARK                                   
REVDAT   3   08-NOV-23 4X99    1       HETSYN LINK                              
REVDAT   2   29-JUL-20 4X99    1       COMPND SOURCE REMARK HETNAM              
REVDAT   2 2                   1       LINK   SITE   ATOM                       
REVDAT   1   03-JUN-15 4X99    0                                                
JRNL        AUTH   H.J.CHOI,S.H.SEOK,Y.J.KIM,M.D.SEO,Y.S.KIM                    
JRNL        TITL   CRYSTAL STRUCTURES OF IMMUNOGLOBULIN FC HETERODIMERS REVEAL  
JRNL        TITL 2 THE MOLECULAR BASIS FOR HETERODIMER FORMATION.               
JRNL        REF    MOL.IMMUNOL.                  V.  65   377 2015              
JRNL        REFN                   ISSN 0161-5890                               
JRNL        PMID   25743157                                                     
JRNL        DOI    10.1016/J.MOLIMM.2015.02.017                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.9_1692)                     
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 44.63                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.330                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 26461                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.251                           
REMARK   3   R VALUE            (WORKING SET) : 0.249                           
REMARK   3   FREE R VALUE                     : 0.283                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 7.490                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1982                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 44.6352 -  6.0165    0.98     1894   155  0.2343 0.2550        
REMARK   3     2  6.0165 -  4.7773    1.00     1799   145  0.2012 0.2124        
REMARK   3     3  4.7773 -  4.1739    1.00     1800   146  0.1919 0.2408        
REMARK   3     4  4.1739 -  3.7925    0.99     1762   141  0.2340 0.2623        
REMARK   3     5  3.7925 -  3.5208    0.99     1752   144  0.2484 0.2980        
REMARK   3     6  3.5208 -  3.3133    0.99     1731   141  0.2734 0.2996        
REMARK   3     7  3.3133 -  3.1474    1.00     1747   142  0.2651 0.2848        
REMARK   3     8  3.1474 -  3.0104    1.00     1751   142  0.2954 0.3567        
REMARK   3     9  3.0104 -  2.8946    1.00     1734   140  0.2944 0.3598        
REMARK   3    10  2.8946 -  2.7947    1.00     1753   142  0.3019 0.3395        
REMARK   3    11  2.7947 -  2.7073    1.00     1725   140  0.3103 0.3839        
REMARK   3    12  2.7073 -  2.6299    0.92     1585   126  0.4149 0.4813        
REMARK   3    13  2.6299 -  2.5607    1.00     1736   140  0.3269 0.3666        
REMARK   3    14  2.5607 -  2.4982    0.99     1710   138  0.3211 0.4005        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.330            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 32.710           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.013           3526                                  
REMARK   3   ANGLE     :  1.564           4823                                  
REMARK   3   CHIRALITY :  0.061            583                                  
REMARK   3   PLANARITY :  0.009            587                                  
REMARK   3   DIHEDRAL  : 14.578           1335                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4X99 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 17-DEC-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000205275.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 04-JUN-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : PAL/PLS                            
REMARK 200  BEAMLINE                       : 5C (4A)                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.979                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 26777                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.498                              
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     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 15.40                              
REMARK 200  R MERGE                    (I) : 0.01000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 58.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.54                     
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) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 3AVE                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 66.68                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.69                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 3M NACL, 0.1M SODIUM ACETATE, PH 4.5,    
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       36.66033            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       73.32067            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       54.99050            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       91.65083            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       18.33017            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       36.66033            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       73.32067            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       91.65083            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       54.99050            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       18.33017            
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: 7000 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 22460 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 52.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     THR A   225                                                      
REMARK 465     CYS A   226                                                      
REMARK 465     PRO A   227                                                      
REMARK 465     PRO A   228                                                      
REMARK 465     CYS A   229                                                      
REMARK 465     PRO A   230                                                      
REMARK 465     ALA A   231                                                      
REMARK 465     PRO A   232                                                      
REMARK 465     GLU A   233                                                      
REMARK 465     LEU A   234                                                      
REMARK 465     LEU A   235                                                      
REMARK 465     GLY A   236                                                      
REMARK 465     PRO A   445                                                      
REMARK 465     GLY A   446                                                      
REMARK 465     LYS A   447                                                      
REMARK 465     THR B   225                                                      
REMARK 465     CYS B   226                                                      
REMARK 465     PRO B   227                                                      
REMARK 465     PRO B   228                                                      
REMARK 465     CYS B   229                                                      
REMARK 465     PRO B   230                                                      
REMARK 465     ALA B   231                                                      
REMARK 465     PRO B   232                                                      
REMARK 465     GLU B   233                                                      
REMARK 465     LEU B   234                                                      
REMARK 465     LEU B   235                                                      
REMARK 465     GLY B   236                                                      
REMARK 465     GLY B   237                                                      
REMARK 465     SER B   298                                                      
REMARK 465     THR B   299                                                      
REMARK 465     PRO B   445                                                      
REMARK 465     GLY B   446                                                      
REMARK 465     LYS B   447                                                      
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     GLU B 269    CG   CD   OE1  OE2                                  
REMARK 470     LYS B 274    CG   CD   CE   NZ                                   
REMARK 470     LYS B 290    CG   CD   CE   NZ                                   
REMARK 470     ARG B 292    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU B 293    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 294    CG   CD   OE1  OE2                                  
REMARK 470     GLN B 295    CG   CD   OE1  NE2                                  
REMARK 470     TYR B 296    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     TYR B 300    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OD1  ASP A   265     O7   NAG C     1              1.83            
REMARK 500   O2   MAN D     6     O5   NAG D     7              1.95            
REMARK 500   ND2  ASN A   297     C2   NAG C     1              2.00            
REMARK 500   O2   MAN D     4     O5   NAG D     5              2.10            
REMARK 500   O6   BMA C     3     O5   MAN C     6              2.11            
REMARK 500   C3   BMA D     3     C1   MAN D     4              2.18            
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    HIS B 268   CB  -  CA  -  C   ANGL. DEV. = -21.5 DEGREES          
REMARK 500    CYS B 354   CA  -  CB  -  SG  ANGL. DEV. =   8.6 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    LYS A 338      152.81    -49.33                                   
REMARK 500    ASN A 390       49.06     71.47                                   
REMARK 500    HIS B 268       45.42   -102.94                                   
REMARK 500    GLU B 269       42.58   -105.62                                   
REMARK 500    PRO B 291     -177.33    -63.93                                   
REMARK 500    GLU B 293      122.09   -170.27                                   
REMARK 500    TYR B 296     -133.73     56.76                                   
REMARK 500    ASN B 390       50.94   -100.56                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4X98   RELATED DB: PDB                                   
DBREF  4X99 A  225   447  UNP    P01857   IGHG1_HUMAN    108    330             
DBREF  4X99 B  225   447  UNP    P01857   IGHG1_HUMAN    108    330             
SEQADV 4X99 CYS A  349  UNP  P01857    TYR   232 ENGINEERED MUTATION            
SEQADV 4X99 GLU A  360  UNP  P01857    LYS   243 ENGINEERED MUTATION            
SEQADV 4X99 TRP A  409  UNP  P01857    LYS   292 ENGINEERED MUTATION            
SEQADV 4X99 ARG B  347  UNP  P01857    GLN   230 ENGINEERED MUTATION            
SEQADV 4X99 CYS B  354  UNP  P01857    SER   237 ENGINEERED MUTATION            
SEQADV 4X99 VAL B  399  UNP  P01857    ASP   282 ENGINEERED MUTATION            
SEQADV 4X99 THR B  405  UNP  P01857    PHE   288 ENGINEERED MUTATION            
SEQRES   1 A  223  THR CYS PRO PRO CYS PRO ALA PRO GLU LEU LEU GLY GLY          
SEQRES   2 A  223  PRO SER VAL PHE LEU PHE PRO PRO LYS PRO LYS ASP THR          
SEQRES   3 A  223  LEU MET ILE SER ARG THR PRO GLU VAL THR CYS VAL VAL          
SEQRES   4 A  223  VAL ASP VAL SER HIS GLU ASP PRO GLU VAL LYS PHE ASN          
SEQRES   5 A  223  TRP TYR VAL ASP GLY VAL GLU VAL HIS ASN ALA LYS THR          
SEQRES   6 A  223  LYS PRO ARG GLU GLU GLN TYR ASN SER THR TYR ARG VAL          
SEQRES   7 A  223  VAL SER VAL LEU THR VAL LEU HIS GLN ASP TRP LEU ASN          
SEQRES   8 A  223  GLY LYS GLU TYR LYS CYS LYS VAL SER ASN LYS ALA LEU          
SEQRES   9 A  223  PRO ALA PRO ILE GLU LYS THR ILE SER LYS ALA LYS GLY          
SEQRES  10 A  223  GLN PRO ARG GLU PRO GLN VAL CYS THR LEU PRO PRO SER          
SEQRES  11 A  223  ARG ASP GLU LEU THR GLU ASN GLN VAL SER LEU THR CYS          
SEQRES  12 A  223  LEU VAL LYS GLY PHE TYR PRO SER ASP ILE ALA VAL GLU          
SEQRES  13 A  223  TRP GLU SER ASN GLY GLN PRO GLU ASN ASN TYR LYS THR          
SEQRES  14 A  223  THR PRO PRO VAL LEU ASP SER ASP GLY SER PHE PHE LEU          
SEQRES  15 A  223  TYR SER TRP LEU THR VAL ASP LYS SER ARG TRP GLN GLN          
SEQRES  16 A  223  GLY ASN VAL PHE SER CYS SER VAL MET HIS GLU ALA LEU          
SEQRES  17 A  223  HIS ASN HIS TYR THR GLN LYS SER LEU SER LEU SER PRO          
SEQRES  18 A  223  GLY LYS                                                      
SEQRES   1 B  223  THR CYS PRO PRO CYS PRO ALA PRO GLU LEU LEU GLY GLY          
SEQRES   2 B  223  PRO SER VAL PHE LEU PHE PRO PRO LYS PRO LYS ASP THR          
SEQRES   3 B  223  LEU MET ILE SER ARG THR PRO GLU VAL THR CYS VAL VAL          
SEQRES   4 B  223  VAL ASP VAL SER HIS GLU ASP PRO GLU VAL LYS PHE ASN          
SEQRES   5 B  223  TRP TYR VAL ASP GLY VAL GLU VAL HIS ASN ALA LYS THR          
SEQRES   6 B  223  LYS PRO ARG GLU GLU GLN TYR ASN SER THR TYR ARG VAL          
SEQRES   7 B  223  VAL SER VAL LEU THR VAL LEU HIS GLN ASP TRP LEU ASN          
SEQRES   8 B  223  GLY LYS GLU TYR LYS CYS LYS VAL SER ASN LYS ALA LEU          
SEQRES   9 B  223  PRO ALA PRO ILE GLU LYS THR ILE SER LYS ALA LYS GLY          
SEQRES  10 B  223  GLN PRO ARG GLU PRO ARG VAL TYR THR LEU PRO PRO CYS          
SEQRES  11 B  223  ARG ASP GLU LEU THR LYS ASN GLN VAL SER LEU THR CYS          
SEQRES  12 B  223  LEU VAL LYS GLY PHE TYR PRO SER ASP ILE ALA VAL GLU          
SEQRES  13 B  223  TRP GLU SER ASN GLY GLN PRO GLU ASN ASN TYR LYS THR          
SEQRES  14 B  223  THR PRO PRO VAL LEU VAL SER ASP GLY SER PHE THR LEU          
SEQRES  15 B  223  TYR SER LYS LEU THR VAL ASP LYS SER ARG TRP GLN GLN          
SEQRES  16 B  223  GLY ASN VAL PHE SER CYS SER VAL MET HIS GLU ALA LEU          
SEQRES  17 B  223  HIS ASN HIS TYR THR GLN LYS SER LEU SER LEU SER PRO          
SEQRES  18 B  223  GLY LYS                                                      
HET    NAG  C   1      14                                                       
HET    NAG  C   2      14                                                       
HET    BMA  C   3      11                                                       
HET    MAN  C   4      11                                                       
HET    NAG  C   5      14                                                       
HET    MAN  C   6      11                                                       
HET    NAG  C   7      14                                                       
HET    FUC  C   8      10                                                       
HET    NAG  D   1      14                                                       
HET    NAG  D   2      14                                                       
HET    BMA  D   3      11                                                       
HET    MAN  D   4      11                                                       
HET    NAG  D   5      14                                                       
HET    MAN  D   6      11                                                       
HET    NAG  D   7      14                                                       
HET    FUC  D   8      10                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETNAM     BMA BETA-D-MANNOPYRANOSE                                             
HETNAM     MAN ALPHA-D-MANNOPYRANOSE                                            
HETNAM     FUC ALPHA-L-FUCOPYRANOSE                                             
HETSYN     NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA-           
HETSYN   2 NAG  D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO-          
HETSYN   3 NAG  2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE                         
HETSYN     BMA BETA-D-MANNOSE; D-MANNOSE; MANNOSE                               
HETSYN     MAN ALPHA-D-MANNOSE; D-MANNOSE; MANNOSE                              
HETSYN     FUC ALPHA-L-FUCOSE; 6-DEOXY-ALPHA-L-GALACTOPYRANOSE; L-              
HETSYN   2 FUC  FUCOSE; FUCOSE                                                  
FORMUL   3  NAG    8(C8 H15 N O6)                                               
FORMUL   3  BMA    2(C6 H12 O6)                                                 
FORMUL   3  MAN    4(C6 H12 O6)                                                 
FORMUL   3  FUC    2(C6 H12 O5)                                                 
FORMUL   5  HOH   *41(H2 O)                                                     
HELIX    1 AA1 LYS A  246  MET A  252  1                                   7    
HELIX    2 AA2 LEU A  309  ASN A  315  1                                   7    
HELIX    3 AA3 ARG A  355  GLU A  360  5                                   6    
HELIX    4 AA4 LYS A  414  GLN A  418  1                                   5    
HELIX    5 AA5 LEU A  432  TYR A  436  5                                   5    
HELIX    6 AA6 LYS B  246  MET B  252  1                                   7    
HELIX    7 AA7 LEU B  309  ASN B  315  1                                   7    
HELIX    8 AA8 ARG B  355  LYS B  360  5                                   6    
HELIX    9 AA9 LYS B  414  GLN B  418  1                                   5    
HELIX   10 AB1 LEU B  432  TYR B  436  5                                   5    
SHEET    1 AA1 4 SER A 239  PHE A 243  0                                        
SHEET    2 AA1 4 GLU A 258  VAL A 266 -1  O  VAL A 262   N  PHE A 241           
SHEET    3 AA1 4 TYR A 300  THR A 307 -1  O  SER A 304   N  CYS A 261           
SHEET    4 AA1 4 LYS A 288  THR A 289 -1  N  LYS A 288   O  VAL A 305           
SHEET    1 AA2 4 SER A 239  PHE A 243  0                                        
SHEET    2 AA2 4 GLU A 258  VAL A 266 -1  O  VAL A 262   N  PHE A 241           
SHEET    3 AA2 4 TYR A 300  THR A 307 -1  O  SER A 304   N  CYS A 261           
SHEET    4 AA2 4 GLU A 293  GLU A 294 -1  N  GLU A 293   O  ARG A 301           
SHEET    1 AA3 4 VAL A 282  VAL A 284  0                                        
SHEET    2 AA3 4 LYS A 274  VAL A 279 -1  N  VAL A 279   O  VAL A 282           
SHEET    3 AA3 4 TYR A 319  SER A 324 -1  O  LYS A 322   N  ASN A 276           
SHEET    4 AA3 4 ILE A 332  ILE A 336 -1  O  ILE A 336   N  TYR A 319           
SHEET    1 AA4 4 GLN A 347  LEU A 351  0                                        
SHEET    2 AA4 4 GLN A 362  PHE A 372 -1  O  THR A 366   N  LEU A 351           
SHEET    3 AA4 4 PHE A 404  ASP A 413 -1  O  VAL A 412   N  VAL A 363           
SHEET    4 AA4 4 TYR A 391  THR A 393 -1  N  LYS A 392   O  TRP A 409           
SHEET    1 AA5 4 GLN A 347  LEU A 351  0                                        
SHEET    2 AA5 4 GLN A 362  PHE A 372 -1  O  THR A 366   N  LEU A 351           
SHEET    3 AA5 4 PHE A 404  ASP A 413 -1  O  VAL A 412   N  VAL A 363           
SHEET    4 AA5 4 VAL A 397  LEU A 398 -1  N  VAL A 397   O  PHE A 405           
SHEET    1 AA6 4 GLN A 386  GLU A 388  0                                        
SHEET    2 AA6 4 ALA A 378  SER A 383 -1  N  SER A 383   O  GLN A 386           
SHEET    3 AA6 4 VAL A 422  MET A 428 -1  O  SER A 426   N  GLU A 380           
SHEET    4 AA6 4 THR A 437  SER A 442 -1  O  LYS A 439   N  CYS A 425           
SHEET    1 AA7 4 SER B 239  PHE B 243  0                                        
SHEET    2 AA7 4 GLU B 258  VAL B 264 -1  O  VAL B 262   N  PHE B 241           
SHEET    3 AA7 4 VAL B 302  THR B 307 -1  O  LEU B 306   N  VAL B 259           
SHEET    4 AA7 4 LYS B 288  LYS B 290 -1  N  LYS B 290   O  VAL B 303           
SHEET    1 AA8 4 VAL B 282  VAL B 284  0                                        
SHEET    2 AA8 4 LYS B 274  VAL B 279 -1  N  VAL B 279   O  VAL B 282           
SHEET    3 AA8 4 TYR B 319  SER B 324 -1  O  SER B 324   N  LYS B 274           
SHEET    4 AA8 4 ILE B 332  ILE B 336 -1  O  ILE B 332   N  VAL B 323           
SHEET    1 AA9 4 ARG B 347  LEU B 351  0                                        
SHEET    2 AA9 4 GLN B 362  PHE B 372 -1  O  LEU B 368   N  TYR B 349           
SHEET    3 AA9 4 PHE B 404  ASP B 413 -1  O  LEU B 410   N  LEU B 365           
SHEET    4 AA9 4 TYR B 391  THR B 393 -1  N  LYS B 392   O  LYS B 409           
SHEET    1 AB1 4 ARG B 347  LEU B 351  0                                        
SHEET    2 AB1 4 GLN B 362  PHE B 372 -1  O  LEU B 368   N  TYR B 349           
SHEET    3 AB1 4 PHE B 404  ASP B 413 -1  O  LEU B 410   N  LEU B 365           
SHEET    4 AB1 4 VAL B 397  LEU B 398 -1  N  VAL B 397   O  THR B 405           
SHEET    1 AB2 4 GLN B 386  GLU B 388  0                                        
SHEET    2 AB2 4 ALA B 378  SER B 383 -1  N  SER B 383   O  GLN B 386           
SHEET    3 AB2 4 VAL B 422  MET B 428 -1  O  SER B 426   N  GLU B 380           
SHEET    4 AB2 4 THR B 437  SER B 442 -1  O  LYS B 439   N  CYS B 425           
SSBOND   1 CYS A  261    CYS A  321                          1555   1555  2.02  
SSBOND   2 CYS A  349    CYS B  354                          1555   1555  2.07  
SSBOND   3 CYS A  367    CYS A  425                          1555   1555  2.04  
SSBOND   4 CYS B  261    CYS B  321                          1555   1555  2.01  
SSBOND   5 CYS B  367    CYS B  425                          1555   1555  2.04  
LINK         ND2 ASN A 297                 C1  NAG C   1     1555   1555  1.24  
LINK         ND2 ASN B 276                 OE2 GLU B 283     1555   1555  1.43  
LINK         ND2 ASN B 297                 C1  NAG D   1     1555   1555  1.58  
LINK         O4  NAG C   1                 C1  NAG C   2     1555   1555  1.40  
LINK         O6  NAG C   1                 C1  FUC C   8     1555   1555  1.38  
LINK         O4  NAG C   2                 C1  BMA C   3     1555   1555  1.37  
LINK         O3  BMA C   3                 C1  MAN C   4     1555   1555  1.39  
LINK         O6  BMA C   3                 C1  MAN C   6     1555   1555  1.36  
LINK         O2  MAN C   4                 C1  NAG C   5     1555   1555  1.38  
LINK         O2  MAN C   6                 C1  NAG C   7     1555   1555  1.40  
LINK         O4  NAG D   1                 C1  NAG D   2     1555   1555  1.46  
LINK         O6  NAG D   1                 C1  FUC D   8     1555   1555  1.43  
LINK         O4  NAG D   2                 C1  BMA D   3     1555   1555  1.43  
LINK         O3  BMA D   3                 C1  MAN D   4     1555   1555  1.38  
LINK         O6  BMA D   3                 C1  MAN D   6     1555   1555  1.43  
LINK         O2  MAN D   4                 C1  NAG D   5     1555   1555  1.38  
LINK         O2  MAN D   6                 C1  NAG D   7     1555   1555  1.42  
CISPEP   1 TYR A  373    PRO A  374          0        -0.15                     
CISPEP   2 TYR B  373    PRO B  374          0        -1.76                     
CRYST1  152.766  152.766  109.981  90.00  90.00 120.00 P 61 2 2     12          
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      0.006546  0.003779  0.000000        0.00000                         
SCALE2      0.000000  0.007559  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009092        0.00000