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Database: PDB
Entry: 1FP5
LinkDB: 1FP5
Original site: 1FP5 
HEADER    IMMUNE SYSTEM                           30-AUG-00   1FP5              
TITLE     CRYSTAL STRUCTURE ANALYSIS OF THE HUMAN IGE-FC CEPSILON3-             
TITLE    2 CEPSILON4 FRAGMENT.                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: IGE HEAVY CHAIN EPSILON-1;                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CEPSILON3-CEPSILON4;                                       
COMPND   5 SYNONYM: IGE-FC;                                                     
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: TRICHOPLUSIA NI;                                  
SOURCE   6 EXPRESSION_SYSTEM_COMMON: CABBAGE LOOPER;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7111;                                       
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS;                          
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PACGP67A                                  
KEYWDS    ANTIBODY, FC, IMMUNOGLOBIN FOLD, "CLOSED" IGE-FC, IMMUNE              
KEYWDS   2 SYSTEM                                                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.A.WURZBURG,S.C.GARMAN,T.S.JARDETZKY                                 
REVDAT   3   24-FEB-09 1FP5    1       VERSN                                    
REVDAT   2   30-JAN-02 1FP5    1       AUTHOR JRNL                              
REVDAT   1   27-SEP-00 1FP5    0                                                
JRNL        AUTH   B.A.WURZBURG,S.C.GARMAN,T.S.JARDETZKY                        
JRNL        TITL   STRUCTURE OF THE HUMAN IGE-FC C EPSILON 3-C                  
JRNL        TITL 2 EPSILON 4 REVEALS CONFORMATIONAL FLEXIBILITY IN              
JRNL        TITL 3 THE ANTIBODY EFFECTOR DOMAINS.                               
JRNL        REF    IMMUNITY                      V.  13   375 2000              
JRNL        REFN                   ISSN 1074-7613                               
JRNL        PMID   11021535                                                     
JRNL        DOI    10.1016/S1074-7613(00)00037-6                                
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,             
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 12322                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.242                           
REMARK   3   FREE R VALUE                     : 0.270                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.300                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1269                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1618                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 145                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 49.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 51.90                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 2.73500                                              
REMARK   3    B22 (A**2) : 2.73500                                              
REMARK   3    B33 (A**2) : -5.47000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.77                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 26.21                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.95                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; 3.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; 3.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: DENSITY FOR THE CEPSILON4 AB LOOP         
REMARK   3  WAS PARTICULARLY POOR, ESPECIALLY FROM RESIDUES 453-457, AND        
REMARK   3  THIS REGION OF THE LOOP WAS BUILT STERICALLY. THE B-FACTORS         
REMARK   3  WERE GENERALLY HIGHER AND THE ELECTRON DENSITY GENERALLY            
REMARK   3  POORER FOR THE BC- DE- AND FG-LOOPS OF THE CEPSILON3 DOMAIN         
REMARK   3  THAT BIND TO THE HIGH AFFINITY RECEPTOR. THE RESIDUE K435 SITS      
REMARK   3  AT THE INTERDOMAIN INTERFACE AND THE SIDE CHAIN MAY PARTIALLY       
REMARK   3  FILL A GAP IN THE SPACE BETWEEN THE DOMAINS. THIS IS NOT            
REMARK   3  OBVIOUS FROM THE STRUCTURE, HOWEVER, AS ALL OF THE ATOMS COULD      
REMARK   3  NOT BE MODELED FOR THIS RESIDUE. THE STRUCTURE CONTAINS TWO         
REMARK   3  CIS-PROLINES : P471 AND P533 THERE ARE N-LINKED CARBOHYDRATES       
REMARK   3  ATTACHED TO THE PROTEIN AT RESIDUES N371 AND N394. SOME             
REMARK   3  ELECTRON DENSITY IS OBSERVED FOR THE CARBOHYDRATE ATTACHED TO       
REMARK   3  N394, BUT NO ELECTRON DENSITY IS OBSERVED FOR THE CARBOHYDRATE      
REMARK   3  ATTACHED TO N371. CARBOHYDRATES WERE NOT MODELED IN THE             
REMARK   3  STRUCTURE AND SO THEY ARE NOT PRESENT IN THE PDB FILE.              
REMARK   4                                                                      
REMARK   4 1FP5 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-SEP-00.                  
REMARK 100 THE RCSB ID CODE IS RCSB011788.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 07-AUG-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 113                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 5ID-B                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.906                              
REMARK 200  MONOCHROMATOR                  : SI (111), CRYOGENICALLY-COOLED     
REMARK 200  OPTICS                         : 1MM X 1MM SLITS, 25 M FROM         
REMARK 200                                   CRYSTAL                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 12322                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 8.700                              
REMARK 200  R MERGE                    (I) : 0.05400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 33.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.38                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.25700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 10.600                             
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, SODIUM ACETATE PH 4.6,         
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 21 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -Y+1/2,X+1/2,Z                                          
REMARK 290       4555   Y+1/2,-X+1/2,Z                                          
REMARK 290       5555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       6555   X+1/2,-Y+1/2,-Z                                         
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       52.80000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       52.80000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       52.80000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       52.80000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       52.80000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       52.80000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       52.80000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       52.80000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE ASYMMETRIC UNIT CONTAINS ONE CHAIN OF THE FC             
REMARK 300 HOMODIMER. THE BIOLOGICAL DIMER CAN BE GENERATED FROM CHAIN A.       
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 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.000000 -1.000000  0.000000      105.60000            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000      105.60000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       47.10000            
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     ALA A   326                                                      
REMARK 465     ASP A   327                                                      
REMARK 465     PRO A   328                                                      
REMARK 465     CYS A   329                                                      
REMARK 465     ASP A   330                                                      
REMARK 465     SER A   331                                                      
REMARK 465     ASN A   332                                                      
REMARK 465     PRO A   333                                                      
REMARK 465     ARG A   334                                                      
REMARK 465     GLY A   335                                                      
REMARK 465     ASN A   544                                                      
REMARK 465     PRO A   545                                                      
REMARK 465     GLY A   546                                                      
REMARK 465     LYS A   547                                                      
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     LYS A 391    CG   CD   CE   NZ                                   
REMARK 470     ARG A 408    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 435    CG   CD   CE   NZ                                   
REMARK 470     GLU A 444    CG   CD   OE1  OE2                                  
REMARK 470     ARG A 457    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLN A 518    CG   CD   OE1  NE2                                  
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    GLY A 368   N   -  CA  -  C   ANGL. DEV. = -15.3 DEGREES          
REMARK 500    GLY A 455   N   -  CA  -  C   ANGL. DEV. = -17.8 DEGREES          
REMARK 500    SER A 456   N   -  CA  -  C   ANGL. DEV. =  19.2 DEGREES          
REMARK 500    ARG A 457   N   -  CA  -  C   ANGL. DEV. = -24.1 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    ILE A 350      -64.50    -90.89                                   
REMARK 500    ARG A 393        4.09    -53.65                                   
REMARK 500    PRO A 426      -71.20    -59.66                                   
REMARK 500    PRO A 454      176.94    -35.80                                   
REMARK 500    ARG A 457      120.45   -171.25                                   
REMARK 500    LYS A 459      106.42    172.09                                   
REMARK 500    PRO A 471     -177.94    -62.01                                   
REMARK 500    ASN A 481     -113.76     80.39                                   
REMARK 500    ALA A 488      -13.07    -47.31                                   
REMARK 500    THR A 498     -158.10   -145.80                                   
REMARK 500    GLN A 535       41.63     35.82                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1F6A   RELATED DB: PDB                                   
REMARK 900 1F6A CONTAINS THE SAME FC PROTEIN IN COMPLEX WITH ITS HIGH           
REMARK 900 AFFINITY RECEPTOR, THE FC EPSILON RI ALPHA (SOLUBLE                  
REMARK 900 ECTODOMAIN).                                                         
DBREF  1FP5 A  330   547  UNP    P01854   IGHE_HUMAN     357    574             
SEQADV 1FP5 ALA A  326  UNP  P01854              CLONING ARTIFACT               
SEQADV 1FP5 ASP A  327  UNP  P01854              CLONING ARTIFACT               
SEQADV 1FP5 PRO A  328  UNP  P01854              CLONING ARTIFACT               
SEQADV 1FP5 CYS A  329  UNP  P01854              CLONING ARTIFACT               
SEQRES   1 A  222  ALA ASP PRO CYS ASP SER ASN PRO ARG GLY VAL SER ALA          
SEQRES   2 A  222  TYR LEU SER ARG PRO SER PRO PHE ASP LEU PHE ILE ARG          
SEQRES   3 A  222  LYS SER PRO THR ILE THR CYS LEU VAL VAL ASP LEU ALA          
SEQRES   4 A  222  PRO SER LYS GLY THR VAL ASN LEU THR TRP SER ARG ALA          
SEQRES   5 A  222  SER GLY LYS PRO VAL ASN HIS SER THR ARG LYS GLU GLU          
SEQRES   6 A  222  LYS GLN ARG ASN GLY THR LEU THR VAL THR SER THR LEU          
SEQRES   7 A  222  PRO VAL GLY THR ARG ASP TRP ILE GLU GLY GLU THR TYR          
SEQRES   8 A  222  GLN CYS ARG VAL THR HIS PRO HIS LEU PRO ARG ALA LEU          
SEQRES   9 A  222  MET ARG SER THR THR LYS THR SER GLY PRO ARG ALA ALA          
SEQRES  10 A  222  PRO GLU VAL TYR ALA PHE ALA THR PRO GLU TRP PRO GLY          
SEQRES  11 A  222  SER ARG ASP LYS ARG THR LEU ALA CYS LEU ILE GLN ASN          
SEQRES  12 A  222  PHE MET PRO GLU ASP ILE SER VAL GLN TRP LEU HIS ASN          
SEQRES  13 A  222  GLU VAL GLN LEU PRO ASP ALA ARG HIS SER THR THR GLN          
SEQRES  14 A  222  PRO ARG LYS THR LYS GLY SER GLY PHE PHE VAL PHE SER          
SEQRES  15 A  222  ARG LEU GLU VAL THR ARG ALA GLU TRP GLU GLN LYS ASP          
SEQRES  16 A  222  GLU PHE ILE CYS ARG ALA VAL HIS GLU ALA ALA SER PRO          
SEQRES  17 A  222  SER GLN THR VAL GLN ARG ALA VAL SER VAL ASN PRO GLY          
SEQRES  18 A  222  LYS                                                          
FORMUL   2  HOH   *145(H2 O)                                                    
HELIX    1   1 SER A  344  ILE A  350  1                                   7    
HELIX    2   2 GLY A  406  GLU A  412  1                                   7    
HELIX    3   3 PRO A  486  ALA A  488  5                                   3    
HELIX    4   4 THR A  512  GLU A  517  1                                   6    
HELIX    5   5 GLN A  518  ASP A  520  5                                   3    
SHEET    1   A 4 SER A 337  SER A 341  0                                        
SHEET    2   A 4 THR A 355  ASP A 362 -1  O  THR A 357   N  SER A 341           
SHEET    3   A 4 THR A 396  PRO A 404 -1  N  LEU A 397   O  ASP A 362           
SHEET    4   A 4 THR A 386  GLN A 392 -1  O  THR A 386   N  THR A 402           
SHEET    1   B 3 ASN A 371  ARG A 376  0                                        
SHEET    2   B 3 TYR A 416  THR A 421 -1  N  GLN A 417   O  SER A 375           
SHEET    3   B 3 LEU A 429  THR A 433 -1  O  LEU A 429   N  VAL A 420           
SHEET    1   C 4 GLU A 444  ALA A 449  0                                        
SHEET    2   C 4 ARG A 460  PHE A 469 -1  O  ALA A 463   N  PHE A 448           
SHEET    3   C 4 PHE A 503  VAL A 511 -1  N  PHE A 503   O  PHE A 469           
SHEET    4   C 4 HIS A 490  THR A 492 -1  O  SER A 491   N  ARG A 508           
SHEET    1   D 4 GLU A 444  ALA A 449  0                                        
SHEET    2   D 4 ARG A 460  PHE A 469 -1  O  ALA A 463   N  PHE A 448           
SHEET    3   D 4 PHE A 503  VAL A 511 -1  N  PHE A 503   O  PHE A 469           
SHEET    4   D 4 ARG A 496  LYS A 497 -1  N  ARG A 496   O  PHE A 504           
SHEET    1   E 4 VAL A 483  GLN A 484  0                                        
SHEET    2   E 4 SER A 475  HIS A 480 -1  N  HIS A 480   O  VAL A 483           
SHEET    3   E 4 PHE A 522  VAL A 527 -1  N  ILE A 523   O  LEU A 479           
SHEET    4   E 4 THR A 536  ALA A 540 -1  O  VAL A 537   N  ALA A 526           
SSBOND   1 CYS A  358    CYS A  418                          1555   1555  2.05  
SSBOND   2 CYS A  464    CYS A  524                          1555   1555  2.06  
CISPEP   1 MET A  470    PRO A  471          0        -0.10                     
CISPEP   2 SER A  532    PRO A  533          0         1.12                     
CRYST1  105.600  105.600   47.100  90.00  90.00  90.00 P 4 21 2      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      0.009470  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009470  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.021231        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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