PDB Short entry for 2IAD
HEADER    MHC II                                  13-MAR-98   2IAD              
TITLE     CLASS II MHC I-AD IN COMPLEX WITH AN INFLUENZA HEMAGGLUTININ PEPTIDE  
TITLE    2 126-138                                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MHC CLASS II I-AD;                                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 126P - 138P OF CHAIN B ARE COVALENTLY LINKED      
COMPND   5 INFLUENZA HEMAGGLUTININ PEPTIDE;                                     
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: MHC CLASS II I-AD;                                         
COMPND   9 CHAIN: B;                                                            
COMPND  10 FRAGMENT: RESIDUES 126P - 138P OF CHAIN B ARE COVALENTLY LINKED      
COMPND  11 INFLUENZA HEMAGGLUTININ PEPTIDE;                                     
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 FRAGMENT: RESIDUES 126P - 138P OF CHAIN B;                           
SOURCE   3 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   4 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE   5 ORGANISM_TAXID: 10090;                                               
SOURCE   6 STRAIN: BALB-C;                                                      
SOURCE   7 CELL_LINE: S2;                                                       
SOURCE   8 ORGAN: TAIL;                                                         
SOURCE   9 EXPRESSION_SYSTEM: DROSOPHILA MELANOGASTER;                          
SOURCE  10 EXPRESSION_SYSTEM_COMMON: FRUIT FLY;                                 
SOURCE  11 EXPRESSION_SYSTEM_TAXID: 7227;                                       
SOURCE  12 EXPRESSION_SYSTEM_CELL_LINE: S2;                                     
SOURCE  13 MOL_ID: 2;                                                           
SOURCE  14 FRAGMENT: RESIDUES 126P - 138P OF CHAIN B;                           
SOURCE  15 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE  16 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE  17 ORGANISM_TAXID: 10090;                                               
SOURCE  18 STRAIN: BALB/C;                                                      
SOURCE  19 CELL_LINE: S2;                                                       
SOURCE  20 ORGAN: TAIL;                                                         
SOURCE  21 EXPRESSION_SYSTEM: DROSOPHILA MELANOGASTER;                          
SOURCE  22 EXPRESSION_SYSTEM_COMMON: FRUIT FLY;                                 
SOURCE  23 EXPRESSION_SYSTEM_TAXID: 7227;                                       
SOURCE  24 EXPRESSION_SYSTEM_CELL_LINE: S2                                      
KEYWDS    MHC II, CLASS II MHC I-AD                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.A.SCOTT,P.A.PETERSON,L.TEYTON,I.A.WILSON                            
REVDAT   3   13-JUL-11 2IAD    1       VERSN                                    
REVDAT   2   24-FEB-09 2IAD    1       VERSN                                    
REVDAT   1   18-NOV-98 2IAD    0                                                
JRNL        AUTH   C.A.SCOTT,P.A.PETERSON,L.TEYTON,I.A.WILSON                   
JRNL        TITL   CRYSTAL STRUCTURES OF TWO I-AD-PEPTIDE COMPLEXES REVEAL THAT 
JRNL        TITL 2 HIGH AFFINITY CAN BE ACHIEVED WITHOUT LARGE ANCHOR RESIDUES. 
JRNL        REF    IMMUNITY                      V.   8   319 1998              
JRNL        REFN                   ISSN 1074-7613                               
JRNL        PMID   9529149                                                      
JRNL        DOI    10.1016/S1074-7613(00)80537-3                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.A.SCOTT,K.C.GARCIA,E.A.STURA,P.A.PETERSON,I.A.WILSON,      
REMARK   1  AUTH 2 L.TEYTON                                                     
REMARK   1  TITL   ENGINEERING PROTEIN FOR X-RAY CRYSTALLOGRAPHY: THE MURINE    
REMARK   1  TITL 2 MAJOR HISTOCOMPATIBILITY COMPLEX CLASS II MOLECULE I-AD      
REMARK   1  REF    PROTEIN SCI.                  V.   7   413 1998              
REMARK   1  REFN                   ISSN 0961-8368                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   C.A.SCOTT,K.C.GARCIA,F.R.CARBONE,I.A.WILSON,L.TEYTON         
REMARK   1  TITL   ROLE OF CHAIN PAIRING FOR THE PRODUCTION OF FUNCTIONAL       
REMARK   1  TITL 2 SOLUBLE IA MAJOR HISTOCOMPATIBILITY COMPLEX CLASS II         
REMARK   1  TITL 3 MOLECULES                                                    
REMARK   1  REF    J.EXP.MED.                    V. 183  2087 1996              
REMARK   1  REFN                   ISSN 0022-1007                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.8                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1000000.000                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0010                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 89.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 22555                          
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) : 0.253                           
REMARK   3   FREE R VALUE                     : 0.308                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 2241                            
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           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.51                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 88.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2540                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3560                       
REMARK   3   BIN FREE R VALUE                    : 0.3750                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.00                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 280                          
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            : 3129                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 114                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 30.00                          
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  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) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.80                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 29.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
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  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; 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: NULL                                      
REMARK   4                                                                      
REMARK   4 2IAD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : APR-97                             
REMARK 200  TEMPERATURE           (KELVIN) : 95                                 
REMARK 200  PH                             : 7.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL7-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.08                               
REMARK 200  MONOCHROMATOR                  : CYLINDRICALLY BENT TRIANGULAR      
REMARK 200                                   SI(111) ASYMMETRIC CUT,            
REMARK 200                                   HORIZONTAL FOCUS                   
REMARK 200  OPTICS                         : 58 CM LONG, PT-COATED, FUSED       
REMARK 200                                   SILICA, VERTICAL FOCUS             
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
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   : 22555                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 24.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 89.0                               
REMARK 200  DATA REDUNDANCY                : 2.500                              
REMARK 200  R MERGE                    (I) : 0.07600                            
REMARK 200  R SYM                      (I) : 0.07600                            
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) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.50                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 88.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.25900                            
REMARK 200  R SYM FOR SHELL            (I) : 0.25900                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1DLH                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 67.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.76                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 19% PEG 8000 0.2 M TRIS, PH 7.4          
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
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   X+1/2,Y+1/2,Z                                           
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        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  1.000000  0.000000  0.000000       63.60000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       50.10000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       63.60000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       50.10000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5720 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18510 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -22.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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    -2                                                      
REMARK 465     ASP A    -1                                                      
REMARK 465     ASP A     0                                                      
REMARK 465     GLU A   178A                                                     
REMARK 465     PRO A   178B                                                     
REMARK 465     GLU A   178C                                                     
REMARK 465     ILE A   178D                                                     
REMARK 465     GLY B     1                                                      
REMARK 465     ASN B     2                                                      
REMARK 465     SER B     3                                                      
REMARK 465     GLU B     4P                                                     
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     ARG B   5    CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 470     THR B 164    OG1  CG2                                            
REMARK 470     HIS B 166    CG   ND1  CD2  CE1  NE2                             
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    ARG B   105     NE2  HIS B   112              2.02            
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    ARG A 186   N     ARG A 186   CA      0.132                       
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    ALA A 181   N   -  CA  -  C   ANGL. DEV. = -22.3 DEGREES          
REMARK 500    VAL A 184   N   -  CA  -  C   ANGL. DEV. = -18.4 DEGREES          
REMARK 500    PRO A 185   C   -  N   -  CA  ANGL. DEV. =  16.9 DEGREES          
REMARK 500    PRO A 185   C   -  N   -  CD  ANGL. DEV. = -13.1 DEGREES          
REMARK 500    ARG A 186   NE  -  CZ  -  NH2 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    PRO A 185   CA  -  C   -  N   ANGL. DEV. =  14.1 DEGREES          
REMARK 500    PRO A 185   O   -  C   -  N   ANGL. DEV. = -17.4 DEGREES          
REMARK 500    THR B 106   N   -  CA  -  CB  ANGL. DEV. = -14.0 DEGREES          
REMARK 500    THR B 106   N   -  CA  -  C   ANGL. DEV. =  29.4 DEGREES          
REMARK 500    LEU B 109   N   -  CA  -  C   ANGL. DEV. =  25.2 DEGREES          
REMARK 500    THR B 164   N   -  CA  -  C   ANGL. DEV. = -16.5 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    TYR A   8       58.12   -109.93                                   
REMARK 500    ASP A  35       98.78    -67.76                                   
REMARK 500    LYS A  39       45.39     70.92                                   
REMARK 500    ASN A  78       40.12     79.56                                   
REMARK 500    PRO A 115       62.09    -68.10                                   
REMARK 500    PRO A 155      136.07    -30.40                                   
REMARK 500    PRO A 185      -10.53      0.17                                   
REMARK 500    ASN B  33      -94.39     70.87                                   
REMARK 500    PRO B  86      -79.74    -41.31                                   
REMARK 500    THR B  90      -86.18   -123.95                                   
REMARK 500    SER B 104     -167.76   -119.04                                   
REMARK 500    THR B 106      -19.36     33.55                                   
REMARK 500    GLU B 107     -162.95   -123.59                                   
REMARK 500    HIS B 111       37.24   -159.41                                   
REMARK 500    ASN B 134       59.11     39.90                                   
REMARK 500    THR B 164       92.67   -160.62                                   
REMARK 500    PRO B 165      171.77    -48.58                                   
REMARK 500    SER B 189     -154.75   -144.25                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CHIRAL CENTERS                                             
REMARK 500                                                                      
REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL                     
REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY                      
REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR                        
REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE                                    
REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16)       
REMARK 500                                                                      
REMARK 500  M RES CSSEQI    IMPROPER   EXPECTED   FOUND DETAILS                 
REMARK 500    ALA A 181        46.4      L          L   OUTSIDE RANGE           
REMARK 500    LEU A 183        25.0      L          L   OUTSIDE RANGE           
REMARK 500    VAL A 184        48.0      L          L   OUTSIDE RANGE           
REMARK 500    THR B 106        20.4      L          L   OUTSIDE RANGE           
REMARK 500    ALA B 108        22.5      L          L   OUTSIDE RANGE           
REMARK 500    LEU B 109        18.5      L          L   OUTSIDE RANGE           
REMARK 500    HIS B 112        22.3      L          L   OUTSIDE RANGE           
REMARK 500    THR B 114        21.9      L          L   OUTSIDE RANGE           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  2IAD A   -2   178  UNP    P04228   HA2D_MOUSE      24    209             
DBREF  2IAD B    1   188  UNP    P01921   HB2D_MOUSE      28    216             
SEQRES   1 A  194  GLU ASP ASP ILE GLU ALA ASP HIS VAL GLY PHE TYR GLY          
SEQRES   2 A  194  THR THR VAL TYR GLN SER PRO GLY ASP ILE GLY GLN TYR          
SEQRES   3 A  194  THR HIS GLU PHE ASP GLY ASP GLU LEU PHE TYR VAL ASP          
SEQRES   4 A  194  LEU ASP LYS LYS LYS THR VAL TRP ARG LEU PRO GLU PHE          
SEQRES   5 A  194  GLY GLN LEU ILE LEU PHE GLU PRO GLN GLY GLY LEU GLN          
SEQRES   6 A  194  ASN ILE ALA ALA GLU LYS HIS ASN LEU GLY ILE LEU THR          
SEQRES   7 A  194  LYS ARG SER ASN PHE THR PRO ALA THR ASN GLU ALA PRO          
SEQRES   8 A  194  GLN ALA THR VAL PHE PRO LYS SER PRO VAL LEU LEU GLY          
SEQRES   9 A  194  GLN PRO ASN THR LEU ILE CYS PHE VAL ASP ASN ILE PHE          
SEQRES  10 A  194  PRO PRO VAL ILE ASN ILE THR TRP LEU ARG ASN SER LYS          
SEQRES  11 A  194  SER VAL THR ASP GLY VAL TYR GLU THR SER PHE LEU VAL          
SEQRES  12 A  194  ASN ARG ASP HIS SER PHE HIS LYS LEU SER TYR LEU THR          
SEQRES  13 A  194  PHE ILE PRO SER ASP ASP ASP ILE TYR ASP CYS LYS VAL          
SEQRES  14 A  194  GLU HIS TRP GLY LEU GLU GLU PRO VAL LEU LYS HIS TRP          
SEQRES  15 A  194  GLU PRO GLU ILE SER SER ALA ASP LEU VAL PRO ARG              
SEQRES   1 B  205  GLY HIS ALA THR GLN GLY VAL THR ALA ALA SER SER HIS          
SEQRES   2 B  205  GLU GLY ASN SER GLU ARG HIS PHE VAL VAL GLN PHE LYS          
SEQRES   3 B  205  GLY GLU CYS TYR TYR THR ASN GLY THR GLN ARG ILE ARG          
SEQRES   4 B  205  LEU VAL THR ARG TYR ILE TYR ASN ARG GLU GLU TYR VAL          
SEQRES   5 B  205  ARG TYR ASP SER ASP VAL GLY GLU TYR ARG ALA VAL THR          
SEQRES   6 B  205  GLU LEU GLY ARG PRO ASP ALA GLU TYR TRP ASN SER GLN          
SEQRES   7 B  205  PRO GLU ILE LEU GLU ARG THR ARG ALA GLU VAL ASP THR          
SEQRES   8 B  205  ALA CYS ARG HIS ASN TYR GLU GLY PRO GLU THR SER THR          
SEQRES   9 B  205  SER LEU ARG ARG LEU GLU GLN PRO ASN VAL ALA ILE SER          
SEQRES  10 B  205  LEU SER ARG THR GLU ALA LEU ASN HIS HIS ASN THR LEU          
SEQRES  11 B  205  VAL CYS SER VAL THR ASP PHE TYR PRO ALA LYS ILE LYS          
SEQRES  12 B  205  VAL ARG TRP PHE ARG ASN GLY GLN GLU GLU THR VAL GLY          
SEQRES  13 B  205  VAL SER SER THR GLN LEU ILE ARG ASN GLY ASP TRP THR          
SEQRES  14 B  205  PHE GLN VAL LEU VAL MET LEU GLU MET THR PRO HIS GLN          
SEQRES  15 B  205  GLY GLU VAL TYR THR CYS HIS VAL GLU HIS PRO SER LEU          
SEQRES  16 B  205  LYS SER PRO ILE THR VAL GLU TRP SER SER                      
FORMUL   3  HOH   *114(H2 O)                                                    
HELIX    1   1 PRO A   56  SER A   77  1                                  22    
HELIX    2   2 GLU B   52  SER B   63  5                                  12    
HELIX    3   3 PRO B   65  THR B   77  1                                  13    
HELIX    4   4 CYS B   79  GLU B   84  1                                   6    
HELIX    5   5 PRO B   86  SER B   89  1                                   4    
HELIX    6   6 SER B   91  ARG B   93  5                                   3    
SHEET    1   A 4 GLY A   6  TYR A   8  0                                        
SHEET    2   A 4 THR A  23  PHE A  26 -1  N  GLU A  25   O  PHE A   7           
SHEET    3   A 4 ASP A  29  ASP A  35 -1  N  PHE A  32   O  HIS A  24           
SHEET    4   A 4 LYS A  40  TRP A  43 -1  N  VAL A  42   O  TYR A  33           
SHEET    1   B 2 THR A  11  GLN A  14  0                                        
SHEET    2   B 2 ILE A  19  TYR A  22 -1  N  GLN A  21   O  VAL A  12           
SHEET    1   C 4 GLN A  88  PRO A  93  0                                        
SHEET    2   C 4 PRO A 102  ASP A 110 -1  N  ASP A 110   O  GLN A  88           
SHEET    3   C 4 LYS A 147  ILE A 154 -1  N  PHE A 153   O  ASN A 103           
SHEET    4   C 4 VAL A 132  GLU A 134 -1  N  TYR A 133   O  TYR A 150           
SHEET    1   D 3 ASN A 118  ARG A 123  0                                        
SHEET    2   D 3 ILE A 160  GLU A 166 -1  N  GLU A 166   O  ASN A 118           
SHEET    3   D 3 VAL A 174  SER A 179 -1  N  TRP A 178   O  TYR A 161           
SHEET    1   E 4 VAL B   9  THR B  18  0                                        
SHEET    2   E 4 ARG B  23  TYR B  32 -1  N  ILE B  31   O  GLN B  10           
SHEET    3   E 4 GLU B  35  ASP B  41 -1  N  TYR B  40   O  THR B  28           
SHEET    4   E 4 TYR B  47  ALA B  49 -1  N  ARG B  48   O  ARG B  39           
SHEET    1   F 4 ASN B  98  LEU B 103  0                                        
SHEET    2   F 4 LEU B 115  PHE B 122 -1  N  THR B 120   O  ASN B  98           
SHEET    3   F 4 PHE B 155  LEU B 161 -1  N  LEU B 161   O  LEU B 115           
SHEET    4   F 4 VAL B 142  SER B 144 -1  N  SER B 143   O  MET B 160           
SHEET    1   G 3 TYR B 171  GLU B 176  0                                        
SHEET    2   G 3 LYS B 128  ARG B 133 -1  N  PHE B 132   O  THR B 172           
SHEET    3   G 3 GLN B 136  GLU B 138 -1  N  GLU B 138   O  TRP B 131           
SSBOND   1 CYS A  107    CYS A  163                          1555   1555  2.03  
SSBOND   2 CYS B   15    CYS B   79                          1555   1555  1.98  
SSBOND   3 CYS B  117    CYS B  173                          1555   1555  2.03  
CISPEP   1 PHE A  113    PRO A  114          0        -0.03                     
CISPEP   2 TYR B  123    PRO B  124          0        -1.24                     
CRYST1  127.200  100.200   53.100  90.00 100.30  90.00 C 1 2 1       4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.007862  0.000000  0.001429        0.00000                         
SCALE2      0.000000  0.009980  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019141        0.00000