HEADER    ENDOCYTOSIS/EXOCYTOSIS                  12-FEB-01   1I31              
TITLE     MU2 ADAPTIN SUBUNIT (AP50) OF AP2 CLATHRIN ADAPTOR, COMPLEXED WITH    
TITLE    2 EGFR INTERNALIZATION PEPTIDE FYRALM AT 2.5 A RESOLUTION              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CLATHRIN COAT ASSEMBLY PROTEIN AP50;                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 122-435;                                          
COMPND   5 SYNONYM: MU2 ADAPTIN OF AP2 ADAPTOR;                                 
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: EPIDERMAL GROWTH FACTOR RECEPTOR;                          
COMPND   9 CHAIN: P;                                                            
COMPND  10 FRAGMENT: RESIDUES 998-1003;                                         
COMPND  11 SYNONYM: EGFR;                                                       
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   3 ORGANISM_COMMON: NORWAY RAT;                                         
SOURCE   4 ORGANISM_TAXID: 10116;                                               
SOURCE   5 GENE: AP50;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PPROEX;                                   
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 SYNTHETIC: YES;                                                      
SOURCE  13 OTHER_DETAILS: THE HEXAPEPTIDE OF EPIDERMAL GROWTH FACTOR RECEPTOR   
SOURCE  14 WAS CHEMICALLY SYNTHESIZED                                           
KEYWDS    BETA-SANDWICH, PEPTIDE-BINDING SITE, PROTEIN-PEPTIDE COMPLEX,         
KEYWDS   2 CLATHRIN ADAPTOR, ENDOCYTOSIS-EXOCYTOSIS COMPLEX                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.MODIS,W.BOLL,I.RAPOPORT,T.KIRCHHAUSEN                               
REVDAT   4   09-AUG-23 1I31    1       REMARK                                   
REVDAT   3   24-FEB-09 1I31    1       VERSN                                    
REVDAT   2   30-SEP-03 1I31    1       DBREF                                    
REVDAT   1   21-FEB-01 1I31    0                                                
JRNL        AUTH   Y.MODIS,W.BOLL,I.RAPOPORT,T.KIRCHHAUSEN                      
JRNL        TITL   MU2 ADAPTIN SUBUNIT (AP50) OF AP2 CLATHRIN ADAPTOR,          
JRNL        TITL 2 COMPLEXED WITH EGFR INTERNALIZATION PEPTIDE FYRALM AT 2.5 A  
JRNL        TITL 3 RESOLUTION                                                   
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   D.J.OWEN,P.R.EVANS                                           
REMARK   1  TITL   A STRUCTURAL EXPLANATION FOR THE RECOGNITION OF              
REMARK   1  TITL 2 TYROSINE-BASED ENDOCYTIC SIGNALS                             
REMARK   1  REF    SCIENCE                       V. 282  1327 1998              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   1  DOI    10.1126/SCIENCE.282.5392.1327                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 20796                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.247                           
REMARK   3   FREE R VALUE                     : 0.255                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1123                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2122                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 47                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 74.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : -0.01                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.21400                                              
REMARK   3    B22 (A**2) : 0.26800                                              
REMARK   3    B33 (A**2) : -1.09500                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.26700                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.019 ; 0.019               
REMARK   3    ANGLE DISTANCE                  (A) : 0.055 ; 0.055               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.050 ; 0.061               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.025 ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.204 ; 0.150               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.215 ; 0.300               
REMARK   3    MULTIPLE TORSION                (A) : 0.267 ; 0.300               
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : 0.178 ; 0.300               
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : 3.700 ; 3.000               
REMARK   3    STAGGERED                 (DEGREES) : 19.500; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : 21.500; 20.000              
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.487 ; 2.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 4.021 ; 3.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.469 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 5.213 ; 3.000                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: MINIMIZATION OF MAXIMUM LIKELIHOOD        
REMARK   3  RESIDUAL BY CONJUGATE DIRECTION METHOD                              
REMARK   4                                                                      
REMARK   4 1I31 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-FEB-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000012840.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-JUN-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-D                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.006                              
REMARK 200  MONOCHROMATOR                  : SI(111) DOUBLE CRYSTAL             
REMARK 200                                   MONOCHROMATOR                      
REMARK 200  OPTICS                         : BENT CYLINDRICAL SI-MIRROR (RH     
REMARK 200                                   COATING)                           
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21919                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.4                               
REMARK 200  DATA REDUNDANCY                : 50.80                              
REMARK 200  R MERGE                    (I) : 0.07700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 25.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.52                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.56                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 76.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.59900                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.600                              
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: PDB ENTRY 1BW8                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 73.59                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.66                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM FORMATE, SODIUM ACETATE, PH       
REMARK 280  4.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 64                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z                                                 
REMARK 290       5555   Y,-X+Y,Z+1/3                                            
REMARK 290       6555   X-Y,X,Z+2/3                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       24.87800            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       49.75600            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       24.87800            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       49.75600            
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: 750 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 14560 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -5.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, P                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A  11  LIES ON A SPECIAL POSITION.                          
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     GLN A   122                                                      
REMARK 465     ASN A   123                                                      
REMARK 465     SER A   124                                                      
REMARK 465     GLU A   125                                                      
REMARK 465     THR A   126                                                      
REMARK 465     GLY A   127                                                      
REMARK 465     ALA A   128                                                      
REMARK 465     LEU A   129                                                      
REMARK 465     LYS A   130                                                      
REMARK 465     THR A   131                                                      
REMARK 465     PHE A   132                                                      
REMARK 465     ILE A   133                                                      
REMARK 465     THR A   134                                                      
REMARK 465     GLN A   135                                                      
REMARK 465     GLN A   136                                                      
REMARK 465     GLY A   137                                                      
REMARK 465     ILE A   138                                                      
REMARK 465     LYS A   139                                                      
REMARK 465     SER A   140                                                      
REMARK 465     GLN A   141                                                      
REMARK 465     HIS A   142                                                      
REMARK 465     GLN A   143                                                      
REMARK 465     THR A   144                                                      
REMARK 465     LYS A   145                                                      
REMARK 465     GLU A   146                                                      
REMARK 465     GLU A   147                                                      
REMARK 465     GLN A   148                                                      
REMARK 465     SER A   149                                                      
REMARK 465     GLN A   150                                                      
REMARK 465     ILE A   151                                                      
REMARK 465     THR A   152                                                      
REMARK 465     SER A   153                                                      
REMARK 465     GLN A   154                                                      
REMARK 465     VAL A   155                                                      
REMARK 465     THR A   156                                                      
REMARK 465     GLY A   157                                                      
REMARK 465     GLN A   158                                                      
REMARK 465     VAL A   221                                                      
REMARK 465     ILE A   222                                                      
REMARK 465     GLU A   223                                                      
REMARK 465     LYS A   224                                                      
REMARK 465     GLN A   225                                                      
REMARK 465     GLY A   226                                                      
REMARK 465     LYS A   227                                                      
REMARK 465     GLY A   228                                                      
REMARK 465     THR A   229                                                      
REMARK 465     ALA A   230                                                      
REMARK 465     ASP A   231                                                      
REMARK 465     GLU A   232                                                      
REMARK 465     THR A   233                                                      
REMARK 465     SER A   234                                                      
REMARK 465     LYS A   235                                                      
REMARK 465     SER A   236                                                      
REMARK 465     GLY A   237                                                      
REMARK 465     LYS A   256                                                      
REMARK 465     PHE A   257                                                      
REMARK 465     ASP A   258                                                      
REMARK 465     SER A   259                                                      
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     1     O    HOH A     1     4665     2.05            
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    ARG A 162   CD  -  NE  -  CZ  ANGL. DEV. =  13.3 DEGREES          
REMARK 500    ARG A 162   NE  -  CZ  -  NH1 ANGL. DEV. =   4.7 DEGREES          
REMARK 500    ARG A 163   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    GLU A 164   OE1 -  CD  -  OE2 ANGL. DEV. =  -8.4 DEGREES          
REMARK 500    GLU A 164   CG  -  CD  -  OE2 ANGL. DEV. =  14.0 DEGREES          
REMARK 500    GLY A 165   C   -  N   -  CA  ANGL. DEV. = -13.2 DEGREES          
REMARK 500    ASP A 176   CB  -  CG  -  OD2 ANGL. DEV. =   7.9 DEGREES          
REMARK 500    SER A 180   CB  -  CA  -  C   ANGL. DEV. =  11.8 DEGREES          
REMARK 500    SER A 180   N   -  CA  -  CB  ANGL. DEV. = -10.0 DEGREES          
REMARK 500    LEU A 184   CB  -  CA  -  C   ANGL. DEV. = -12.0 DEGREES          
REMARK 500    ARG A 199   CD  -  NE  -  CZ  ANGL. DEV. =  20.2 DEGREES          
REMARK 500    ARG A 199   NE  -  CZ  -  NH1 ANGL. DEV. =   7.7 DEGREES          
REMARK 500    ARG A 199   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    MET A 209   CG  -  SD  -  CE  ANGL. DEV. =  10.1 DEGREES          
REMARK 500    GLU A 211   OE1 -  CD  -  OE2 ANGL. DEV. =  12.7 DEGREES          
REMARK 500    ASP A 218   CB  -  CG  -  OD2 ANGL. DEV. =  10.1 DEGREES          
REMARK 500    LYS A 219   N   -  CA  -  CB  ANGL. DEV. =  11.8 DEGREES          
REMARK 500    LYS A 219   CA  -  C   -  O   ANGL. DEV. =  24.2 DEGREES          
REMARK 500    LYS A 219   CA  -  C   -  N   ANGL. DEV. = -17.9 DEGREES          
REMARK 500    ILE A 220   C   -  N   -  CA  ANGL. DEV. =  29.5 DEGREES          
REMARK 500    ASP A 244   CB  -  CG  -  OD2 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    ARG A 253   CD  -  NE  -  CZ  ANGL. DEV. =   9.4 DEGREES          
REMARK 500    ARG A 253   NH1 -  CZ  -  NH2 ANGL. DEV. =  -8.7 DEGREES          
REMARK 500    ARG A 253   NE  -  CZ  -  NH1 ANGL. DEV. =  10.2 DEGREES          
REMARK 500    SER A 255   N   -  CA  -  CB  ANGL. DEV. =  -9.1 DEGREES          
REMARK 500    ARG A 261   CD  -  NE  -  CZ  ANGL. DEV. =   9.3 DEGREES          
REMARK 500    ASP A 269   CB  -  CG  -  OD1 ANGL. DEV. =   7.2 DEGREES          
REMARK 500    ASP A 269   CB  -  CG  -  OD2 ANGL. DEV. =  -7.7 DEGREES          
REMARK 500    ARG A 276   N   -  CA  -  CB  ANGL. DEV. = -10.8 DEGREES          
REMARK 500    THR A 279   CA  -  CB  -  CG2 ANGL. DEV. =  13.0 DEGREES          
REMARK 500    LYS A 281   CD  -  CE  -  NZ  ANGL. DEV. =  15.6 DEGREES          
REMARK 500    ARG A 288   NE  -  CZ  -  NH1 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ARG A 288   NE  -  CZ  -  NH2 ANGL. DEV. =   4.7 DEGREES          
REMARK 500    ARG A 298   O   -  C   -  N   ANGL. DEV. =  10.8 DEGREES          
REMARK 500    THR A 299   N   -  CA  -  CB  ANGL. DEV. = -15.8 DEGREES          
REMARK 500    THR A 299   CA  -  CB  -  CG2 ANGL. DEV. =  12.8 DEGREES          
REMARK 500    ALA A 317   CB  -  CA  -  C   ANGL. DEV. =  -9.9 DEGREES          
REMARK 500    GLU A 321   OE1 -  CD  -  OE2 ANGL. DEV. =  11.1 DEGREES          
REMARK 500    ARG A 323   N   -  CA  -  CB  ANGL. DEV. = -11.1 DEGREES          
REMARK 500    ARG A 323   CD  -  NE  -  CZ  ANGL. DEV. = -14.5 DEGREES          
REMARK 500    ARG A 323   NH1 -  CZ  -  NH2 ANGL. DEV. =   9.3 DEGREES          
REMARK 500    ARG A 323   NE  -  CZ  -  NH2 ANGL. DEV. = -10.4 DEGREES          
REMARK 500    GLN A 334   CA  -  CB  -  CG  ANGL. DEV. =  16.9 DEGREES          
REMARK 500    LYS A 339   CA  -  CB  -  CG  ANGL. DEV. =  13.5 DEGREES          
REMARK 500    TYR A 344   CB  -  CG  -  CD2 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500    ARG A 357   NE  -  CZ  -  NH2 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    MET A 358   CG  -  SD  -  CE  ANGL. DEV. = -10.8 DEGREES          
REMARK 500    ASP A 377   CB  -  CG  -  OD1 ANGL. DEV. =   5.9 DEGREES          
REMARK 500    ARG A 383   NE  -  CZ  -  NH2 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500    ARG A 402   NE  -  CZ  -  NH2 ANGL. DEV. =  -7.4 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      67 ANGLE DEVIATIONS.                             
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    ASP A 218     -150.67    -76.07                                   
REMARK 500    LYS A 219       80.84     43.93                                   
REMARK 500    LEU A 254      -78.82    -21.22                                   
REMARK 500    ASN A 310       78.67   -102.10                                   
REMARK 500    LYS A 312      151.86    -41.60                                   
REMARK 500    PRO A 393       47.31    -86.43                                   
REMARK 500    ASN A 412       32.34    -92.87                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    VAL A 177         11.28                                           
REMARK 500    SER A 207        -12.31                                           
REMARK 500    LEU A 285        -19.06                                           
REMARK 500    GLU A 295         10.82                                           
REMARK 500    LYS A 312        -16.85                                           
REMARK 500    LYS A 356         12.43                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1BW8   RELATED DB: PDB                                   
REMARK 900 MU2 ADAPTIN SUBUNIT (AP50) OF AP2 ADAPTOR (SECOND DOMAIN),           
REMARK 900 COMPLEXED WITH EGFR INTERNALIZATION PEPTIDE FYRALM                   
REMARK 900 RELATED ID: 1BXX   RELATED DB: PDB                                   
REMARK 900 MU2 ADAPTIN SUBUNIT (AP50) OF AP2 ADAPTOR (SECOND DOMAIN),           
REMARK 900 COMPLEXED WITH TGN38 INTERNALIZATION PEPTIDE DYQRLN                  
DBREF  1I31 A  122   435  UNP    P84092   AP2M1_RAT      122    435             
DBREF  1I31 P    1     6  GB     6478868  AAF14008       998   1003             
SEQRES   1 A  314  GLN ASN SER GLU THR GLY ALA LEU LYS THR PHE ILE THR          
SEQRES   2 A  314  GLN GLN GLY ILE LYS SER GLN HIS GLN THR LYS GLU GLU          
SEQRES   3 A  314  GLN SER GLN ILE THR SER GLN VAL THR GLY GLN ILE GLY          
SEQRES   4 A  314  TRP ARG ARG GLU GLY ILE LYS TYR ARG ARG ASN GLU LEU          
SEQRES   5 A  314  PHE LEU ASP VAL LEU GLU SER VAL ASN LEU LEU MET SER          
SEQRES   6 A  314  PRO GLN GLY GLN VAL LEU SER ALA HIS VAL SER GLY ARG          
SEQRES   7 A  314  VAL VAL MET LYS SER TYR LEU SER GLY MET PRO GLU CYS          
SEQRES   8 A  314  LYS PHE GLY MET ASN ASP LYS ILE VAL ILE GLU LYS GLN          
SEQRES   9 A  314  GLY LYS GLY THR ALA ASP GLU THR SER LYS SER GLY LYS          
SEQRES  10 A  314  GLN SER ILE ALA ILE ASP ASP CYS THR PHE HIS GLN CYS          
SEQRES  11 A  314  VAL ARG LEU SER LYS PHE ASP SER GLU ARG SER ILE SER          
SEQRES  12 A  314  PHE ILE PRO PRO ASP GLY GLU PHE GLU LEU MET ARG TYR          
SEQRES  13 A  314  ARG THR THR LYS ASP ILE ILE LEU PRO PHE ARG VAL ILE          
SEQRES  14 A  314  PRO LEU VAL ARG GLU VAL GLY ARG THR LYS LEU GLU VAL          
SEQRES  15 A  314  LYS VAL VAL ILE LYS SER ASN PHE LYS PRO SER LEU LEU          
SEQRES  16 A  314  ALA GLN LYS ILE GLU VAL ARG ILE PRO THR PRO LEU ASN          
SEQRES  17 A  314  THR SER GLY VAL GLN VAL ILE CYS MET LYS GLY LYS ALA          
SEQRES  18 A  314  LYS TYR LYS ALA SER GLU ASN ALA ILE VAL TRP LYS ILE          
SEQRES  19 A  314  LYS ARG MET ALA GLY MET LYS GLU SER GLN ILE SER ALA          
SEQRES  20 A  314  GLU ILE GLU LEU LEU PRO THR ASN ASP LYS LYS LYS TRP          
SEQRES  21 A  314  ALA ARG PRO PRO ILE SER MET ASN PHE GLU VAL PRO PHE          
SEQRES  22 A  314  ALA PRO SER GLY LEU LYS VAL ARG TYR LEU LYS VAL PHE          
SEQRES  23 A  314  GLU PRO LYS LEU ASN TYR SER ASP HIS ASP VAL ILE LYS          
SEQRES  24 A  314  TRP VAL ARG TYR ILE GLY ARG SER GLY ILE TYR GLU THR          
SEQRES  25 A  314  ARG CYS                                                      
SEQRES   1 P    6  PHE TYR ARG ALA LEU MET                                      
FORMUL   3  HOH   *47(H2 O)                                                     
HELIX    1   1 ALA A  346  GLU A  348  5                                   3    
HELIX    2   2 SER A  414  VAL A  418  5                                   5    
SHEET    1   A 9 ASP A 245  PHE A 248  0                                        
SHEET    2   A 9 GLY A 270  THR A 279 -1  N  ARG A 276   O  THR A 247           
SHEET    3   A 9 VAL A 191  TYR A 205 -1  N  VAL A 196   O  THR A 279           
SHEET    4   A 9 GLU A 172  MET A 185 -1  O  GLU A 172   N  TYR A 205           
SHEET    5   A 9 ILE A 419  THR A 433  1  O  ILE A 419   N  LEU A 173           
SHEET    6   A 9 ILE A 386  VAL A 392 -1  N  ILE A 386   O  THR A 433           
SHEET    7   A 9 LEU A 316  PRO A 325 -1  N  GLN A 318   O  GLU A 391           
SHEET    8   A 9 ALA A 350  ALA A 359 -1  N  ILE A 351   O  ILE A 324           
SHEET    9   A 9 LYS A 341  LYS A 345 -1  O  LYS A 341   N  LYS A 354           
SHEET    1   B 6 ASP A 245  PHE A 248  0                                        
SHEET    2   B 6 GLY A 270  THR A 279 -1  N  ARG A 276   O  THR A 247           
SHEET    3   B 6 VAL A 191  TYR A 205 -1  N  VAL A 196   O  THR A 279           
SHEET    4   B 6 GLU A 172  MET A 185 -1  O  GLU A 172   N  TYR A 205           
SHEET    5   B 6 ILE A 419  THR A 433  1  O  ILE A 419   N  LEU A 173           
SHEET    6   B 6 ARG P   3  ALA P   4 -1  N  ARG P   3   O  VAL A 422           
SHEET    1   C 3 ILE A 263  PHE A 265  0                                        
SHEET    2   C 3 GLU A 211  MET A 216 -1  N  CYS A 212   O  PHE A 265           
SHEET    3   C 3 VAL A 401  PHE A 407 -1  N  ARG A 402   O  GLY A 215           
SHEET    1   D 4 PHE A 287  VAL A 296  0                                        
SHEET    2   D 4 LYS A 300  SER A 309 -1  N  LYS A 300   O  VAL A 296           
SHEET    3   D 4 GLU A 363  LEU A 372 -1  N  SER A 364   O  ILE A 307           
SHEET    4   D 4 THR A 330  ILE A 336 -1  N  SER A 331   O  GLU A 371           
CRYST1  125.727  125.727   74.634  90.00  90.00 120.00 P 64          6          
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      0.007954  0.004592  0.000000        0.00000                         
SCALE2      0.000000  0.009184  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013399        0.00000