HEADER    SIGNALING PROTEIN                       28-APR-15   5AUL              
TITLE     PI3K P85 C-TERMINAL SH2 DOMAIN/CD28-DERIVED PEPTIDE COMPLEX           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT ALPHA;    
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 614-720;                                      
COMPND   5 SYNONYM: PTDINS-3-KINASE REGULATORY SUBUNIT ALPHA,                   
COMPND   6 PHOSPHATIDYLINOSITOL 3-KINASE 85 KDA REGULATORY SUBUNIT ALPHA,PTDINS-
COMPND   7 3-KINASE REGULATORY SUBUNIT P85-ALPHA;                               
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 2;                                                           
COMPND  10 MOLECULE: T-CELL-SPECIFIC SURFACE GLYCOPROTEIN CD28;                 
COMPND  11 CHAIN: B;                                                            
COMPND  12 FRAGMENT: UNP RESIDUES 189-196;                                      
COMPND  13 SYNONYM: TP44;                                                       
COMPND  14 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: PIK3R1, GRB1;                                                  
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 SYNTHETIC: YES;                                                      
SOURCE  10 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  11 ORGANISM_COMMON: HUMAN;                                              
SOURCE  12 ORGANISM_TAXID: 9606                                                 
KEYWDS    ANTIGENS, PHOSPHOPEPTIDES, SIGNALING PROTEIN                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.INABA,N.NUMOTO,H.MORII,T.IKURA,M.ODA,N.ITO                          
REVDAT   5   13-NOV-24 5AUL    1       REMARK                                   
REVDAT   4   15-NOV-23 5AUL    1       REMARK                                   
REVDAT   3   08-NOV-23 5AUL    1       REMARK                                   
REVDAT   2   10-MAY-17 5AUL    1       JRNL                                     
REVDAT   1   25-MAY-16 5AUL    0                                                
JRNL        AUTH   S.INABA,N.NUMOTO,S.OGAWA,H.MORII,T.IKURA,R.ABE,N.ITO,M.ODA   
JRNL        TITL   CRYSTAL STRUCTURES AND THERMODYNAMIC ANALYSIS REVEAL         
JRNL        TITL 2 DISTINCT MECHANISMS OF CD28 PHOSPHOPEPTIDE BINDING TO THE    
JRNL        TITL 3 SRC HOMOLOGY 2 (SH2) DOMAINS OF THREE ADAPTOR PROTEINS       
JRNL        REF    J. BIOL. CHEM.                V. 292  1052 2017              
JRNL        REFN                   ESSN 1083-351X                               
JRNL        PMID   27927989                                                     
JRNL        DOI    10.1074/JBC.M116.755173                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.9_1692)                     
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 34.92                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.370                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 45133                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.139                           
REMARK   3   R VALUE            (WORKING SET) : 0.138                           
REMARK   3   FREE R VALUE                     : 0.160                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.980                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2248                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 34.9370 -  2.7715    1.00     2875   151  0.1553 0.1602        
REMARK   3     2  2.7715 -  2.1999    1.00     2756   136  0.1575 0.1697        
REMARK   3     3  2.1999 -  1.9219    1.00     2715   126  0.1336 0.1719        
REMARK   3     4  1.9219 -  1.7462    1.00     2693   156  0.1278 0.1484        
REMARK   3     5  1.7462 -  1.6210    1.00     2677   139  0.1214 0.1466        
REMARK   3     6  1.6210 -  1.5254    1.00     2673   150  0.1137 0.1570        
REMARK   3     7  1.5254 -  1.4490    1.00     2670   115  0.1112 0.1501        
REMARK   3     8  1.4490 -  1.3860    1.00     2699   139  0.1168 0.1575        
REMARK   3     9  1.3860 -  1.3326    1.00     2635   154  0.1147 0.1451        
REMARK   3    10  1.3326 -  1.2866    1.00     2636   156  0.1252 0.1489        
REMARK   3    11  1.2866 -  1.2464    1.00     2645   149  0.1298 0.1838        
REMARK   3    12  1.2464 -  1.2108    1.00     2634   139  0.1376 0.1646        
REMARK   3    13  1.2108 -  1.1789    1.00     2662   130  0.1327 0.1857        
REMARK   3    14  1.1789 -  1.1501    1.00     2674   125  0.1345 0.1442        
REMARK   3    15  1.1501 -  1.1240    1.00     2627   132  0.1414 0.1587        
REMARK   3    16  1.1240 -  1.1001    1.00     2614   151  0.1512 0.1658        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.070            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 13.160           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.017           1139                                  
REMARK   3   ANGLE     :  1.903           1552                                  
REMARK   3   CHIRALITY :  0.117            163                                  
REMARK   3   PLANARITY :  0.011            204                                  
REMARK   3   DIHEDRAL  : 18.140            435                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 5AUL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 07-MAY-15.                  
REMARK 100 THE DEPOSITION ID IS D_1300000005.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-JAN-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 95                                 
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : PHOTON FACTORY                     
REMARK 200  BEAMLINE                       : BL-17A                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9800                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 270                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 45133                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 8.500                              
REMARK 200  R MERGE                    (I) : 0.06800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.13                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 1H9O                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.29                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM SODIUM ACETATE TRIHYDRATE, 200    
REMARK 280  MM AMMONIUM ACETATE, 30% PEG4000, VAPOR DIFFUSION, HANGING DROP,    
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       20.30000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       32.42500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       20.72000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       32.42500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       20.30000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       20.72000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1240 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 6110 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 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     SER B   189                                                      
REMARK 465     PRO B   196                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   998     O    HOH A  1027              2.08            
REMARK 500   O    HOH A  1011     O    HOH A  1044              2.16            
REMARK 500   O    HOH A   982     O    HOH A  1023              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A  1023     O    HOH A  1064     4545     1.98            
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 631   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    ARG A 631   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    GLU A 650   OE1 -  CD  -  OE2 ANGL. DEV. =  -9.0 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    PRO A 684       43.59    -96.86                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 801                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3WA4   RELATED DB: PDB                                   
REMARK 900 3WA4 CONTAINS THE SAME PEPTIDE DERIVED FROM CD28 COMPLEXED WITH      
REMARK 900 GRB2 SH2 DOMAIN.                                                     
DBREF  5AUL A  614   720  UNP    P27986   P85A_HUMAN     622    728             
DBREF  5AUL B  189   196  UNP    P10747   CD28_HUMAN     189    196             
SEQADV 5AUL GLY A  612  UNP  P27986              EXPRESSION TAG                 
SEQADV 5AUL SER A  613  UNP  P27986              EXPRESSION TAG                 
SEQRES   1 A  109  GLY SER GLU ASP LEU PRO HIS HIS ASP GLU LYS THR TRP          
SEQRES   2 A  109  ASN VAL GLY SER SER ASN ARG ASN LYS ALA GLU ASN LEU          
SEQRES   3 A  109  LEU ARG GLY LYS ARG ASP GLY THR PHE LEU VAL ARG GLU          
SEQRES   4 A  109  SER SER LYS GLN GLY CSO TYR ALA CYS SER VAL VAL VAL          
SEQRES   5 A  109  ASP GLY GLU VAL LYS HIS CYS VAL ILE ASN LYS THR ALA          
SEQRES   6 A  109  THR GLY TYR GLY PHE ALA GLU PRO TYR ASN LEU TYR SER          
SEQRES   7 A  109  SER LEU LYS GLU LEU VAL LEU HIS TYR GLN HIS THR SER          
SEQRES   8 A  109  LEU VAL GLN HIS ASN ASP SER LEU ASN VAL THR LEU ALA          
SEQRES   9 A  109  TYR PRO VAL TYR ALA                                          
SEQRES   1 B    8  SER ASP PTR MET ASN MET THR PRO                              
MODRES 5AUL CSO A  656  CYS  MODIFIED RESIDUE                                   
MODRES 5AUL PTR B  191  TYR  MODIFIED RESIDUE                                   
HET    CSO  A 656      14                                                       
HET    PTR  B 191      32                                                       
HET    GOL  A 801       6                                                       
HETNAM     CSO S-HYDROXYCYSTEINE                                                
HETNAM     PTR O-PHOSPHOTYROSINE                                                
HETNAM     GOL GLYCEROL                                                         
HETSYN     PTR PHOSPHONOTYROSINE                                                
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   1  CSO    C3 H7 N O3 S                                                 
FORMUL   2  PTR    C9 H12 N O6 P                                                
FORMUL   3  GOL    C3 H8 O3                                                     
FORMUL   4  HOH   *181(H2 O)                                                    
HELIX    1 AA1 GLY A  612  TRP A  624  5                                  13    
HELIX    2 AA2 ASN A  630  ARG A  639  1                                  10    
HELIX    3 AA3 SER A  690  GLN A  699  1                                  10    
HELIX    4 AA4 HIS A  700  THR A  701  5                                   2    
HELIX    5 AA5 SER A  702  HIS A  706  5                                   5    
SHEET    1 AA1 5 GLY A 678  GLY A 680  0                                        
SHEET    2 AA1 5 GLU A 666  THR A 675 -1  N  ASN A 673   O  GLY A 680           
SHEET    3 AA1 5 TYR A 657  VAL A 663 -1  N  TYR A 657   O  ILE A 672           
SHEET    4 AA1 5 THR A 645  GLU A 650 -1  N  ARG A 649   O  ALA A 658           
SHEET    5 AA1 5 TYR A 716  PRO A 717  1  O  TYR A 716   N  PHE A 646           
LINK         C  AGLY A 655                 N  ACSO A 656     1555   1555  1.33  
LINK         C  BGLY A 655                 N  BCSO A 656     1555   1555  1.32  
LINK         C  ACSO A 656                 N   TYR A 657     1555   1555  1.31  
LINK         C  BCSO A 656                 N   TYR A 657     1555   1555  1.39  
LINK         C   ASP B 190                 N  APTR B 191     1555   1555  1.32  
LINK         C   ASP B 190                 N  BPTR B 191     1555   1555  1.32  
LINK         C  APTR B 191                 N   MET B 192     1555   1555  1.33  
LINK         C  BPTR B 191                 N   MET B 192     1555   1555  1.32  
CISPEP   1 GLU A  683    PRO A  684          0         0.95                     
SITE     1 AC1  8 THR A 677  GLU A 683  PRO A 684  TYR A 685                    
SITE     2 AC1  8 ASN A 686  THR A 713  HOH A 903  HOH A 991                    
CRYST1   40.600   41.440   64.850  90.00  90.00  90.00 P 21 21 21    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      0.024631  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.024131  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015420        0.00000