PDB Short entry for 2IUI
HEADER    TRANSFERASE                             03-JUN-06   2IUI              
TITLE     CRYSTAL STRUCTURE OF THE PI3-KINASE P85 N-TERMINAL SH2 DOMAIN IN      
TITLE    2 COMPLEX WITH PDGFR PHOSPHOTYROSYL PEPTIDE                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT ALPHA;    
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: N-TERMINAL SH2 DOMAIN, RESIDUES 321-440;                   
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: PLATELET-DERIVED GROWTH FACTOR RECEPTOR BETA;              
COMPND  11 CHAIN: C, D;                                                         
COMPND  12 SYNONYM: PDGFR-BETA,BETA PLATELET-DERIVED GROWTH FACTOR RECEPTOR,    
COMPND  13 BETA-TYPE PLATELET-DERIVED GROWTH FACTOR RECEPTOR,CD140 ANTIGEN-LIKE 
COMPND  14 FAMILY MEMBER B,PLATELET-DERIVED GROWTH FACTOR RECEPTOR 1,PDGFR-1;   
COMPND  15 EC: 2.7.10.1;                                                        
COMPND  16 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 BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET;                                      
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 SYNTHETIC: YES;                                                      
SOURCE  11 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  12 ORGANISM_COMMON: HUMAN;                                              
SOURCE  13 ORGANISM_TAXID: 9606                                                 
KEYWDS    TRANSFERASE, PHOSPHORYLATION, P85, SH2, PI3K, SH2 DOMAIN, SH3 DOMAIN, 
KEYWDS   2 PI3-KINASE, DISEASE MUTATION                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.T.NOLTE,M.J.ECK,J.SCHLESSINGER,S.E.SHOELSON,S.C.HARRISON            
REVDAT   4   07-MAR-18 2IUI    1       COMPND SOURCE DBREF  SEQADV              
REVDAT   3   24-FEB-09 2IUI    1       VERSN                                    
REVDAT   2   15-JUN-06 2IUI    1       REMARK                                   
REVDAT   1   06-JUN-06 2IUI    0                                                
JRNL        AUTH   R.T.NOLTE,M.J.ECK,J.SCHLESSINGER,S.E.SHOELSON,S.C.HARRISON   
JRNL        TITL   CRYSTAL STRUCTURE OF THE PI 3-KINASE P85 AMINO- TERMINAL SH2 
JRNL        TITL 2 DOMAIN AND ITS PHOSPHOPEPTIDE COMPLEXES                      
JRNL        REF    NAT.STRUCT.BIOL.              V.   3   364 1996              
JRNL        REFN                   ISSN 1072-8368                               
JRNL        PMID   8599763                                                      
JRNL        DOI    10.1038/NSB0496-364                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
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) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 0.0                            
REMARK   3   NUMBER OF REFLECTIONS             : 0                              
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.178                           
REMARK   3   FREE R VALUE                     : 0.248                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1970                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 117                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 33.01                          
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) : 1.650                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
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: THIS COODINATES FILE WAS DEPOSITED 10     
REMARK   3  YEARS AFTER THE PUBLICATION OF THE WORK. SOME OF THE DATA ARE       
REMARK   3  MISSING AND ARE SHOWN AS '00000'.                                   
REMARK   4                                                                      
REMARK   4 2IUI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-JUN-06.                  
REMARK 100 THE DEPOSITION ID IS D_1290028972.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 278.0                              
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 12930                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
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     (%) : 98.2                               
REMARK 200  DATA REDUNDANCY                : 0.000                              
REMARK 200  R MERGE                    (I) : 0.06000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 23.3700                            
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     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.920                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER                        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SODIUM ACETATE PH 4.6, 0.2M         
REMARK 280  AMMONIUM ACETATE, 30% PEG4000                                       
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       20.38000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       54.18000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       30.97000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       54.18000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       20.38000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       30.97000            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C                                  
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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, D                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     GLY A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     ASN A     2                                                      
REMARK 465     ASN A     3                                                      
REMARK 465     ASN A     4                                                      
REMARK 465     GLN A   112                                                      
REMARK 465     ASP A   113                                                      
REMARK 465     GLN A   114                                                      
REMARK 465     VAL A   115                                                      
REMARK 465     VAL A   116                                                      
REMARK 465     LYS A   117                                                      
REMARK 465     GLU A   118                                                      
REMARK 465     ASP A   119                                                      
REMARK 465     GLY B  1000                                                      
REMARK 465     MET B  1001                                                      
REMARK 465     GLN B  1112                                                      
REMARK 465     ASP B  1113                                                      
REMARK 465     GLN B  1114                                                      
REMARK 465     VAL B  1115                                                      
REMARK 465     VAL B  1116                                                      
REMARK 465     LYS B  1117                                                      
REMARK 465     GLU B  1118                                                      
REMARK 465     ASP B  1119                                                      
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  16       57.87    -94.30                                   
REMARK 500    ASP A  28        9.62     80.70                                   
REMARK 500    MET A  43       59.73     21.73                                   
REMARK 500    ASP A  66     -117.89     54.63                                   
REMARK 500    ASN A  96      114.57   -174.87                                   
REMARK 500    LEU A  99       50.33   -103.06                                   
REMARK 500    MET B1043       60.67     24.31                                   
REMARK 500    ASP B1066     -120.21     50.41                                   
REMARK 500    LEU B1099       58.22   -101.12                                   
REMARK 500    ASP C 203      -86.89   -129.21                                   
REMARK 500    ASP D1203      -87.87   -127.96                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2005        DISTANCE =  6.82 ANGSTROMS                       
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1A0N   RELATED DB: PDB                                   
REMARK 900 NMR STUDY OF THE SH3 DOMAIN FROM FYN PROTO-ONCOGENE TYROSINE KINASE  
REMARK 900 COMPLEXED WITH THE SYNTHETIC PEPTIDE P2L CORRESPONDING TO RESIDUES   
REMARK 900 91-104 OF THE P85 SUBUNIT OF PI3-KINASE, FAMILY OF 25 STRUCTURES     
REMARK 900 RELATED ID: 1AZG   RELATED DB: PDB                                   
REMARK 900 NMR STUDY OF THE SH3 DOMAIN FROM FYN PROTO-ONCOGENE TYROSINE KINASE  
REMARK 900 KINASE COMPLEXED WITH THE SYNTHETIC PEPTIDE P2L CORRESPONDING TO     
REMARK 900 RESIDUES 91-104 OF THE P85 SUBUNIT OF PI3-KINASE, MINIMIZED AVERAGE  
REMARK 900 (PROBMAP) STRUCTURE                                                  
REMARK 900 RELATED ID: 1H9O   RELATED DB: PDB                                   
REMARK 900 PHOSPHATIDYLINOSITOL 3-KINASE, P85-ALPHA SUBUNIT: C-TERMINAL SH2     
REMARK 900 DOMAIN COMPLEXED WITH A TYR751 PHOSPHOPEPTIDE FROM THE PDGF          
REMARK 900 RECEPTOR, CRYSTAL STRUCTURE AT 1.79 A                                
REMARK 900 RELATED ID: 1PBW   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF BCR-HOMOLOGY (BH) DOMAIN                                
REMARK 900 RELATED ID: 1PHT   RELATED DB: PDB                                   
REMARK 900 PHOSPHATIDYLINOSITOL 3-KINASE P85-ALPHA SUBUNIT SH3 DOMAIN,          
REMARK 900 RESIDUES 1-85                                                        
REMARK 900 RELATED ID: 1PIC   RELATED DB: PDB                                   
REMARK 900 PHOSPHATIDYLINOSITOL 3-KINASE, P85-ALPHA SUBUNIT: C-TERMINAL SH2     
REMARK 900 DOMAIN COMPLEXED WITH A TYR751 PHOSPHOPEPTIDE FROM THE PDGF          
REMARK 900 RECEPTOR, NMR, MINIMIZED MEAN STRUCTURE                              
REMARK 900 RELATED ID: 1PKS   RELATED DB: PDB                                   
REMARK 900 PHOSPHATIDYLINOSITOL 3-KINASE (PI3K) (SH3 DOMAIN) (NMR, MINIMIZED    
REMARK 900 AVERAGE STRUCTURE)                                                   
REMARK 900 RELATED ID: 1PKT   RELATED DB: PDB                                   
REMARK 900 PHOSPHATIDYLINOSITOL 3-KINASE (PI3K) (SH3 DOMAIN) (NMR, 30           
REMARK 900 STRUCTURES)                                                          
REMARK 900 RELATED ID: 2IUG   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE PI3-KINASE P85 N -TERMINAL SH2 DOMAIN       
REMARK 900 RELATED ID: 2IUH   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE PI3-KINASE P85 N -TERMINAL SH2 DOMAIN IN    
REMARK 900 COMPLEX WITH C- KIT PHOSPHOTYROSYL PEPTIDE                           
DBREF  2IUI A    0   119  UNP    P27986   P85A_HUMAN     321    440             
DBREF  2IUI B 1000  1119  UNP    P27986   P85A_HUMAN     321    440             
DBREF  2IUI C  201   211  UNP    P09619   PGFRB_HUMAN    748    758             
DBREF  2IUI D 1201  1211  UNP    P09619   PGFRB_HUMAN    748    758             
SEQADV 2IUI ASN A    9  UNP  P27986    ASP   330 CONFLICT                       
SEQADV 2IUI ASN B 1009  UNP  P27986    ASP   330 CONFLICT                       
SEQADV 2IUI ILE C  202  UNP  P09619    VAL   749 CONFLICT                       
SEQADV 2IUI ILE D 1202  UNP  P09619    VAL   749 CONFLICT                       
SEQRES   1 A  120  GLY MET ASN ASN ASN MET SER LEU GLN ASN ALA GLU TRP          
SEQRES   2 A  120  TYR TRP GLY ASP ILE SER ARG GLU GLU VAL ASN GLU LYS          
SEQRES   3 A  120  LEU ARG ASP THR ALA ASP GLY THR PHE LEU VAL ARG ASP          
SEQRES   4 A  120  ALA SER THR LYS MET HIS GLY ASP TYR THR LEU THR LEU          
SEQRES   5 A  120  ARG LYS GLY GLY ASN ASN LYS LEU ILE LYS ILE PHE HIS          
SEQRES   6 A  120  ARG ASP GLY LYS TYR GLY PHE SER ASP PRO LEU THR PHE          
SEQRES   7 A  120  SER SER VAL VAL GLU LEU ILE ASN HIS TYR ARG ASN GLU          
SEQRES   8 A  120  SER LEU ALA GLN TYR ASN PRO LYS LEU ASP VAL LYS LEU          
SEQRES   9 A  120  LEU TYR PRO VAL SER LYS TYR GLN GLN ASP GLN VAL VAL          
SEQRES  10 A  120  LYS GLU ASP                                                  
SEQRES   1 B  120  GLY MET ASN ASN ASN MET SER LEU GLN ASN ALA GLU TRP          
SEQRES   2 B  120  TYR TRP GLY ASP ILE SER ARG GLU GLU VAL ASN GLU LYS          
SEQRES   3 B  120  LEU ARG ASP THR ALA ASP GLY THR PHE LEU VAL ARG ASP          
SEQRES   4 B  120  ALA SER THR LYS MET HIS GLY ASP TYR THR LEU THR LEU          
SEQRES   5 B  120  ARG LYS GLY GLY ASN ASN LYS LEU ILE LYS ILE PHE HIS          
SEQRES   6 B  120  ARG ASP GLY LYS TYR GLY PHE SER ASP PRO LEU THR PHE          
SEQRES   7 B  120  SER SER VAL VAL GLU LEU ILE ASN HIS TYR ARG ASN GLU          
SEQRES   8 B  120  SER LEU ALA GLN TYR ASN PRO LYS LEU ASP VAL LYS LEU          
SEQRES   9 B  120  LEU TYR PRO VAL SER LYS TYR GLN GLN ASP GLN VAL VAL          
SEQRES  10 B  120  LYS GLU ASP                                                  
SEQRES   1 C   11  SER ILE ASP PTR VAL PRO MET LEU ASP MET LYS                  
SEQRES   1 D   11  SER ILE ASP PTR VAL PRO MET LEU ASP MET LYS                  
MODRES 2IUI PTR C  204  TYR  MODIFIED RESIDUE                                   
MODRES 2IUI PTR D 1204  TYR  MODIFIED RESIDUE                                   
HET    PTR  C 204      16                                                       
HET    PTR  D1204      16                                                       
HETNAM     PTR O-PHOSPHOTYROSINE                                                
HETSYN     PTR PHOSPHONOTYROSINE                                                
FORMUL   3  PTR    2(C9 H12 N O6 P)                                             
FORMUL   5  HOH   *117(H2 O)                                                    
HELIX    1   1 MET A    5  ALA A   10  1                                   6    
HELIX    2   2 SER A   18  ARG A   27  1                                  10    
HELIX    3   3 SER A   79  ASN A   89  1                                  11    
HELIX    4   4 ASN B 1004  ASN B 1009  1                                   6    
HELIX    5   5 SER B 1018  ARG B 1027  1                                  10    
HELIX    6   6 SER B 1079  ASN B 1089  1                                  11    
HELIX    7   7 LEU B 1092  ASN B 1096  5                                   5    
SHEET    1  AA 5 LYS A  68  GLY A  70  0                                        
SHEET    2  AA 5 ASN A  56  ARG A  65 -1  O  PHE A  63   N  GLY A  70           
SHEET    3  AA 5 TYR A  47  LYS A  53 -1  O  TYR A  47   N  ILE A  62           
SHEET    4  AA 5 THR A  33  ASP A  38 -1  O  THR A  33   N  ARG A  52           
SHEET    5  AA 5 TYR A 105  PRO A 106  1  O  TYR A 105   N  PHE A  34           
SHEET    1  BA 5 LYS B1068  GLY B1070  0                                        
SHEET    2  BA 5 ASN B1056  ARG B1065 -1  O  PHE B1063   N  GLY B1070           
SHEET    3  BA 5 TYR B1047  LYS B1053 -1  O  TYR B1047   N  ILE B1062           
SHEET    4  BA 5 THR B1033  ASP B1038 -1  O  THR B1033   N  ARG B1052           
SHEET    5  BA 5 TYR B1105  PRO B1106  1  O  TYR B1105   N  PHE B1034           
LINK         C   ASP C 203                 N   PTR C 204     1555   1555  1.33  
LINK         C   PTR C 204                 N   VAL C 205     1555   1555  1.33  
LINK         C   ASP D1203                 N   PTR D1204     1555   1555  1.34  
LINK         C   PTR D1204                 N   VAL D1205     1555   1555  1.33  
CISPEP   1 ASP A   73    PRO A   74          0         1.86                     
CISPEP   2 ASP B 1073    PRO B 1074          0         3.81                     
CRYST1   40.760   61.940  108.360  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.024534  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.016145  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009228        0.00000