HEADER    IMMUNE SYSTEM                           24-APR-14   4Q74              
TITLE     F241A FC                                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: IG GAMMA-1 CHAIN C REGION;                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: UNP RESIDUES 108-329;                                      
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 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: HEK 293-6E;                             
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PCDNA3.1                                  
KEYWDS    IMMUNE SYSTEM                                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.A.AHMED,J.GIDDENS,A.PINCETIC,J.V.LOMINO,J.V.RAVETCH,L.X.WANG,       
AUTHOR   2 P.J.BJORKMAN                                                         
REVDAT   6   06-NOV-24 4Q74    1       REMARK                                   
REVDAT   5   20-SEP-23 4Q74    1       REMARK HETSYN                            
REVDAT   4   29-JUL-20 4Q74    1       CAVEAT COMPND REMARK SEQADV              
REVDAT   4 2                   1       HETNAM LINK   SITE   ATOM                
REVDAT   3   03-SEP-14 4Q74    1       JRNL                                     
REVDAT   2   30-JUL-14 4Q74    1       JRNL                                     
REVDAT   1   23-JUL-14 4Q74    0                                                
JRNL        AUTH   A.A.AHMED,J.GIDDENS,A.PINCETIC,J.V.LOMINO,J.V.RAVETCH,       
JRNL        AUTH 2 L.X.WANG,P.J.BJORKMAN                                        
JRNL        TITL   STRUCTURAL CHARACTERIZATION OF ANTI-INFLAMMATORY             
JRNL        TITL 2 IMMUNOGLOBULIN G FC PROTEINS.                                
JRNL        REF    J.MOL.BIOL.                   V. 426  3166 2014              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   25036289                                                     
JRNL        DOI    10.1016/J.JMB.2014.07.006                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.19 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX REFINE                                        
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 : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.19                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 35.65                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 44637                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.206                           
REMARK   3   FREE R VALUE                     : 0.232                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
REMARK   3   SOLVENT RADIUS     : NULL                                          
REMARK   3   SHRINKAGE RADIUS   : NULL                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : NULL             
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
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      :   NULL           NULL                                  
REMARK   3   ANGLE     :   NULL           NULL                                  
REMARK   3   CHIRALITY :   NULL           NULL                                  
REMARK   3   PLANARITY :   NULL           NULL                                  
REMARK   3   DIHEDRAL  :   NULL           NULL                                  
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 4Q74 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-APR-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000085687.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-JAN-12                          
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL12-2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.00000                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 44637                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.190                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 35.650                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
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         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 1H3X                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.25                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 1500 AT 20 C AND CRYOPRESERVED   
REMARK 280  IN WELL SOLUTION CONTAINING 25% GLYCEROL, VAPOR DIFFUSION,          
REMARK 280  HANGING DROP, TEMPERATURE 293.15K                                   
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       28.95500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       56.85500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       37.35000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       56.85500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       28.95500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       37.35000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7050 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 21860 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     GLU A   217                                                      
REMARK 465     VAL A   218                                                      
REMARK 465     GLN A   219                                                      
REMARK 465     LEU A   220                                                      
REMARK 465     LEU A   221                                                      
REMARK 465     GLU A   222                                                      
REMARK 465     THR A   223                                                      
REMARK 465     SER A   224                                                      
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     SER A   444                                                      
REMARK 465     PRO A   445                                                      
REMARK 465     GLY A   446                                                      
REMARK 465     GLU B   217                                                      
REMARK 465     VAL B   218                                                      
REMARK 465     GLN B   219                                                      
REMARK 465     LEU B   220                                                      
REMARK 465     LEU B   221                                                      
REMARK 465     GLU B   222                                                      
REMARK 465     THR B   223                                                      
REMARK 465     SER B   224                                                      
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     SER B   444                                                      
REMARK 465     PRO B   445                                                      
REMARK 465     GLY B   446                                                      
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 A 269    CG   CD   OE1  OE2                                  
REMARK 470     GLN A 311    CG   CD   OE1  NE2                                  
REMARK 470     LYS B 246    CG   CD   CE   NZ                                   
REMARK 470     GLU B 269    CG   CD   OE1  OE2                                  
REMARK 470     GLN B 311    CG   CD   OE1  NE2                                  
REMARK 470     LYS B 326    CG   CD   CE   NZ                                   
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS A  290   NZ                                                  
REMARK 480     LYS A  326   CD   CE   NZ                                        
REMARK 480     LYS A  360   CD   CE   NZ                                        
REMARK 480     LYS B  290   NZ                                                  
REMARK 480     LYS B  360   CD   CE   NZ                                        
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   O    HOH A   700     O    HOH A   704              1.83            
REMARK 500   O    HOH B   749     O    HOH B   760              1.85            
REMARK 500   O    HOH A   747     O    HOH B   741              1.87            
REMARK 500   O    HOH A   721     O    HOH A   727              1.87            
REMARK 500   OH   TYR A   373     O    HOH A   730              1.88            
REMARK 500   O    HOH A   747     O    HOH B   770              1.93            
REMARK 500   O    GLN A   295     O    ASN A   297              1.94            
REMARK 500   O    HOH A   726     O    HOH A   728              1.96            
REMARK 500   O    HOH A   764     O    HOH B   770              1.96            
REMARK 500   O    HOH A   684     O    HOH A   690              1.98            
REMARK 500   O    HOH B   715     O    HOH B   767              1.98            
REMARK 500   O6   BMA D     3     O5   MAN D     4              1.99            
REMARK 500   O4   NAG C     2     O5   BMA C     3              1.99            
REMARK 500   O    HOH B   675     O    HOH B   705              2.00            
REMARK 500   O    HOH B   722     O    HOH B   758              2.00            
REMARK 500   O6   NAG C     1     O5   FUC C     7              2.01            
REMARK 500   O    HOH A   733     O    HOH A   737              2.01            
REMARK 500   O6   NAG D     1     C2   FUC D     9              2.03            
REMARK 500   O    HOH B   713     O    HOH B   723              2.03            
REMARK 500   O    HOH A   748     O    HOH A   770              2.06            
REMARK 500   ND2  ASN B   297     C2   NAG D     1              2.06            
REMARK 500   O    HOH A   661     O    HOH A   697              2.06            
REMARK 500   O    HOH A   644     O    HOH A   689              2.07            
REMARK 500   O    HOH B   678     O    HOH B   735              2.08            
REMARK 500   O    HOH A   687     O    HOH A   777              2.11            
REMARK 500   O    HOH A   624     O    HOH A   674              2.12            
REMARK 500   O    PRO B   291     O    HOH B   703              2.12            
REMARK 500   O    HOH A   705     O    HOH A   707              2.12            
REMARK 500   O    HOH B   707     O    HOH B   712              2.14            
REMARK 500   NE2  GLN B   438     O    HOH B   673              2.15            
REMARK 500   O2   MAN D     7     O5   NAG D     8              2.16            
REMARK 500   ND2  ASN A   286     O    HOH A   695              2.16            
REMARK 500   O    HOH A   674     O    HOH A   743              2.18            
REMARK 500   O    HOH A   726     O    HOH A   757              2.18            
REMARK 500   O    HOH B   749     O    HOH B   750              2.18            
REMARK 500   O    HOH A   725     O    HOH A   750              2.19            
REMARK 500   O    HOH B   745     O    HOH B   754              2.19            
REMARK 500   C6   BMA D     3     C1   MAN D     4              2.19            
REMARK 500   O    HOH B   741     O    HOH B   770              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   746     O    HOH B   690     1655     1.85            
REMARK 500   O    HOH A   763     O    HOH A   766     2675     1.94            
REMARK 500   O    HOH A   708     O    HOH B   727     3645     2.04            
REMARK 500   O    HOH A   781     O    HOH B   724     2575     2.07            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    PRO A 230   CD    PRO A 230   N      -0.091                       
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    LEU A 235      177.00    177.25                                   
REMARK 500    ASN A 434       14.85     55.85                                   
REMARK 500    ASN B 434       19.14     59.96                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4Q6Y   RELATED DB: PDB                                   
REMARK 900 DISIALYLATED FC                                                      
REMARK 900 RELATED ID: 4Q7D   RELATED DB: PDB                                   
DBREF  4Q74 A  225   446  UNP    P01857   IGHG1_HUMAN    108    329             
DBREF  4Q74 B  225   446  UNP    P01857   IGHG1_HUMAN    108    329             
SEQADV 4Q74 GLU A  217  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 VAL A  218  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 GLN A  219  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 LEU A  220  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 LEU A  221  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 GLU A  222  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 THR A  223  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 SER A  224  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 ALA A  241  UNP  P01857    PHE   124 ENGINEERED MUTATION            
SEQADV 4Q74 GLU B  217  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 VAL B  218  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 GLN B  219  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 LEU B  220  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 LEU B  221  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 GLU B  222  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 THR B  223  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 SER B  224  UNP  P01857              CLONING ARTIFACT               
SEQADV 4Q74 ALA B  241  UNP  P01857    PHE   124 ENGINEERED MUTATION            
SEQRES   1 A  230  GLU VAL GLN LEU LEU GLU THR SER THR CYS PRO PRO CYS          
SEQRES   2 A  230  PRO ALA PRO GLU LEU LEU GLY GLY PRO SER VAL ALA LEU          
SEQRES   3 A  230  PHE PRO PRO LYS PRO LYS ASP THR LEU MET ILE SER ARG          
SEQRES   4 A  230  THR PRO GLU VAL THR CYS VAL VAL VAL ASP VAL SER HIS          
SEQRES   5 A  230  GLU ASP PRO GLU VAL LYS PHE ASN TRP TYR VAL ASP GLY          
SEQRES   6 A  230  VAL GLU VAL HIS ASN ALA LYS THR LYS PRO ARG GLU GLU          
SEQRES   7 A  230  GLN TYR ASN SER THR TYR ARG VAL VAL SER VAL LEU THR          
SEQRES   8 A  230  VAL LEU HIS GLN ASP TRP LEU ASN GLY LYS GLU TYR LYS          
SEQRES   9 A  230  CYS LYS VAL SER ASN LYS ALA LEU PRO ALA PRO ILE GLU          
SEQRES  10 A  230  LYS THR ILE SER LYS ALA LYS GLY GLN PRO ARG GLU PRO          
SEQRES  11 A  230  GLN VAL TYR THR LEU PRO PRO SER ARG ASP GLU LEU THR          
SEQRES  12 A  230  LYS ASN GLN VAL SER LEU THR CYS LEU VAL LYS GLY PHE          
SEQRES  13 A  230  TYR PRO SER ASP ILE ALA VAL GLU TRP GLU SER ASN GLY          
SEQRES  14 A  230  GLN PRO GLU ASN ASN TYR LYS THR THR PRO PRO VAL LEU          
SEQRES  15 A  230  ASP SER ASP GLY SER PHE PHE LEU TYR SER LYS LEU THR          
SEQRES  16 A  230  VAL ASP LYS SER ARG TRP GLN GLN GLY ASN VAL PHE SER          
SEQRES  17 A  230  CYS SER VAL MET HIS GLU ALA LEU HIS ASN HIS TYR THR          
SEQRES  18 A  230  GLN LYS SER LEU SER LEU SER PRO GLY                          
SEQRES   1 B  230  GLU VAL GLN LEU LEU GLU THR SER THR CYS PRO PRO CYS          
SEQRES   2 B  230  PRO ALA PRO GLU LEU LEU GLY GLY PRO SER VAL ALA LEU          
SEQRES   3 B  230  PHE PRO PRO LYS PRO LYS ASP THR LEU MET ILE SER ARG          
SEQRES   4 B  230  THR PRO GLU VAL THR CYS VAL VAL VAL ASP VAL SER HIS          
SEQRES   5 B  230  GLU ASP PRO GLU VAL LYS PHE ASN TRP TYR VAL ASP GLY          
SEQRES   6 B  230  VAL GLU VAL HIS ASN ALA LYS THR LYS PRO ARG GLU GLU          
SEQRES   7 B  230  GLN TYR ASN SER THR TYR ARG VAL VAL SER VAL LEU THR          
SEQRES   8 B  230  VAL LEU HIS GLN ASP TRP LEU ASN GLY LYS GLU TYR LYS          
SEQRES   9 B  230  CYS LYS VAL SER ASN LYS ALA LEU PRO ALA PRO ILE GLU          
SEQRES  10 B  230  LYS THR ILE SER LYS ALA LYS GLY GLN PRO ARG GLU PRO          
SEQRES  11 B  230  GLN VAL TYR THR LEU PRO PRO SER ARG ASP GLU LEU THR          
SEQRES  12 B  230  LYS ASN GLN VAL SER LEU THR CYS LEU VAL LYS GLY PHE          
SEQRES  13 B  230  TYR PRO SER ASP ILE ALA VAL GLU TRP GLU SER ASN GLY          
SEQRES  14 B  230  GLN PRO GLU ASN ASN TYR LYS THR THR PRO PRO VAL LEU          
SEQRES  15 B  230  ASP SER ASP GLY SER PHE PHE LEU TYR SER LYS LEU THR          
SEQRES  16 B  230  VAL ASP LYS SER ARG TRP GLN GLN GLY ASN VAL PHE SER          
SEQRES  17 B  230  CYS SER VAL MET HIS GLU ALA LEU HIS ASN HIS TYR THR          
SEQRES  18 B  230  GLN LYS SER LEU SER LEU SER PRO GLY                          
MODRES 4Q74 ASN B  297  ASN  GLYCOSYLATION SITE                                 
MODRES 4Q74 ASN A  297  ASN  GLYCOSYLATION SITE                                 
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    GAL  C   6      11                                                       
HET    FUC  C   7      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    GAL  D   6      11                                                       
HET    MAN  D   7      11                                                       
HET    NAG  D   8      14                                                       
HET    FUC  D   9      10                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETNAM     BMA BETA-D-MANNOPYRANOSE                                             
HETNAM     MAN ALPHA-D-MANNOPYRANOSE                                            
HETNAM     GAL BETA-D-GALACTOPYRANOSE                                           
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     GAL BETA-D-GALACTOSE; D-GALACTOSE; GALACTOSE                         
HETSYN     FUC ALPHA-L-FUCOSE; 6-DEOXY-ALPHA-L-GALACTOPYRANOSE; L-              
HETSYN   2 FUC  FUCOSE; FUCOSE                                                  
FORMUL   3  NAG    7(C8 H15 N O6)                                               
FORMUL   3  BMA    2(C6 H12 O6)                                                 
FORMUL   3  MAN    3(C6 H12 O6)                                                 
FORMUL   3  GAL    2(C6 H12 O6)                                                 
FORMUL   3  FUC    2(C6 H12 O5)                                                 
FORMUL   5  HOH   *351(H2 O)                                                    
HELIX    1   1 LYS A  246  LEU A  251  1                                   6    
HELIX    2   2 LEU A  309  ASN A  315  1                                   7    
HELIX    3   3 SER A  354  LYS A  360  5                                   7    
HELIX    4   4 LYS A  414  GLN A  419  1                                   6    
HELIX    5   5 LEU A  432  ASN A  434  5                                   3    
HELIX    6   6 LYS B  246  MET B  252  1                                   7    
HELIX    7   7 LEU B  309  ASN B  315  1                                   7    
HELIX    8   8 SER B  354  LYS B  360  5                                   7    
HELIX    9   9 LYS B  414  GLN B  419  1                                   6    
HELIX   10  10 LEU B  432  TYR B  436  5                                   5    
SHEET    1   A 4 SER A 239  PHE A 243  0                                        
SHEET    2   A 4 GLU A 258  VAL A 266 -1  O  THR A 260   N  PHE A 243           
SHEET    3   A 4 TYR A 300  THR A 307 -1  O  LEU A 306   N  VAL A 259           
SHEET    4   A 4 LYS A 288  THR A 289 -1  N  LYS A 288   O  VAL A 305           
SHEET    1   B 4 SER A 239  PHE A 243  0                                        
SHEET    2   B 4 GLU A 258  VAL A 266 -1  O  THR A 260   N  PHE A 243           
SHEET    3   B 4 TYR A 300  THR A 307 -1  O  LEU A 306   N  VAL A 259           
SHEET    4   B 4 GLU A 293  GLU A 294 -1  N  GLU A 293   O  ARG A 301           
SHEET    1   C 4 VAL A 282  VAL A 284  0                                        
SHEET    2   C 4 LYS A 274  VAL A 279 -1  N  TRP A 277   O  VAL A 284           
SHEET    3   C 4 TYR A 319  SER A 324 -1  O  LYS A 322   N  ASN A 276           
SHEET    4   C 4 ILE A 332  ILE A 336 -1  O  ILE A 332   N  VAL A 323           
SHEET    1   D 4 GLN A 347  LEU A 351  0                                        
SHEET    2   D 4 GLN A 362  PHE A 372 -1  O  LEU A 368   N  TYR A 349           
SHEET    3   D 4 PHE A 404  ASP A 413 -1  O  PHE A 404   N  PHE A 372           
SHEET    4   D 4 TYR A 391  THR A 393 -1  N  LYS A 392   O  LYS A 409           
SHEET    1   E 4 GLN A 347  LEU A 351  0                                        
SHEET    2   E 4 GLN A 362  PHE A 372 -1  O  LEU A 368   N  TYR A 349           
SHEET    3   E 4 PHE A 404  ASP A 413 -1  O  PHE A 404   N  PHE A 372           
SHEET    4   E 4 VAL A 397  LEU A 398 -1  N  VAL A 397   O  PHE A 405           
SHEET    1   F 4 GLN A 386  PRO A 387  0                                        
SHEET    2   F 4 ALA A 378  SER A 383 -1  N  SER A 383   O  GLN A 386           
SHEET    3   F 4 PHE A 423  MET A 428 -1  O  SER A 426   N  GLU A 380           
SHEET    4   F 4 TYR A 436  LEU A 441 -1  O  LYS A 439   N  CYS A 425           
SHEET    1   G 4 SER B 239  PHE B 243  0                                        
SHEET    2   G 4 GLU B 258  VAL B 266 -1  O  VAL B 262   N  ALA B 241           
SHEET    3   G 4 TYR B 300  THR B 307 -1  O  VAL B 302   N  VAL B 263           
SHEET    4   G 4 LYS B 288  THR B 289 -1  N  LYS B 288   O  VAL B 305           
SHEET    1   H 4 SER B 239  PHE B 243  0                                        
SHEET    2   H 4 GLU B 258  VAL B 266 -1  O  VAL B 262   N  ALA B 241           
SHEET    3   H 4 TYR B 300  THR B 307 -1  O  VAL B 302   N  VAL B 263           
SHEET    4   H 4 GLU B 293  GLU B 294 -1  N  GLU B 293   O  ARG B 301           
SHEET    1   I 4 VAL B 282  VAL B 284  0                                        
SHEET    2   I 4 LYS B 274  VAL B 279 -1  N  VAL B 279   O  VAL B 282           
SHEET    3   I 4 TYR B 319  SER B 324 -1  O  LYS B 322   N  ASN B 276           
SHEET    4   I 4 ILE B 332  ILE B 336 -1  O  ILE B 332   N  VAL B 323           
SHEET    1   J 4 GLN B 347  LEU B 351  0                                        
SHEET    2   J 4 GLN B 362  PHE B 372 -1  O  THR B 366   N  LEU B 351           
SHEET    3   J 4 PHE B 404  ASP B 413 -1  O  LEU B 410   N  LEU B 365           
SHEET    4   J 4 TYR B 391  THR B 393 -1  N  LYS B 392   O  LYS B 409           
SHEET    1   K 4 GLN B 347  LEU B 351  0                                        
SHEET    2   K 4 GLN B 362  PHE B 372 -1  O  THR B 366   N  LEU B 351           
SHEET    3   K 4 PHE B 404  ASP B 413 -1  O  LEU B 410   N  LEU B 365           
SHEET    4   K 4 VAL B 397  LEU B 398 -1  N  VAL B 397   O  PHE B 405           
SHEET    1   L 4 GLN B 386  PRO B 387  0                                        
SHEET    2   L 4 ALA B 378  SER B 383 -1  N  SER B 383   O  GLN B 386           
SHEET    3   L 4 PHE B 423  MET B 428 -1  O  SER B 426   N  GLU B 380           
SHEET    4   L 4 THR B 437  LEU B 441 -1  O  THR B 437   N  VAL B 427           
SSBOND   1 CYS A  261    CYS A  321                          1555   1555  2.03  
SSBOND   2 CYS A  367    CYS A  425                          1555   1555  2.04  
SSBOND   3 CYS B  261    CYS B  321                          1555   1555  2.04  
SSBOND   4 CYS B  367    CYS B  425                          1555   1555  2.04  
LINK         ND2 ASN A 297                 C1  NAG C   1     1555   1555  1.87  
LINK         ND2 ASN B 297                 C1  NAG D   1     1555   1555  1.40  
LINK         O4  NAG C   1                 C1  NAG C   2     1555   1555  1.50  
LINK         O6  NAG C   1                 C1  FUC C   7     1555   1555  1.26  
LINK         O4  NAG C   2                 C1  BMA C   3     1555   1555  1.01  
LINK         O6  BMA C   3                 C1  MAN C   4     1555   1555  1.85  
LINK         O2  MAN C   4                 C1  NAG C   5     1555   1555  1.39  
LINK         O4  NAG C   5                 C1  GAL C   6     1555   1555  1.39  
LINK         O4  NAG D   1                 C1  NAG D   2     1555   1555  1.50  
LINK         O6  NAG D   1                 C1  FUC D   9     1555   1555  0.94  
LINK         O4  NAG D   2                 C1  BMA D   3     1555   1555  1.39  
LINK         O6  BMA D   3                 C1  MAN D   4     1555   1555  1.01  
LINK         O3  BMA D   3                 C1  MAN D   7     1555   1555  1.84  
LINK         O2  MAN D   4                 C1  NAG D   5     1555   1555  1.39  
LINK         O4  NAG D   5                 C1  GAL D   6     1555   1555  1.39  
LINK         O2  MAN D   7                 C1  NAG D   8     1555   1555  1.44  
CISPEP   1 TYR A  373    PRO A  374          0        -3.96                     
CISPEP   2 TYR B  373    PRO B  374          0        -3.90                     
CRYST1   57.910   74.700  113.710  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      0.017268  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013387  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008794        0.00000