PDB Short entry for 2AF9
HEADER    LIPID BINDING PROTEIN                   25-JUL-05   2AF9              
TITLE     CRYSTAL STRUCTURE ANALYSIS OF GM2-ACTIVATOR PROTEIN COMPLEXED WITH    
TITLE    2 PHOSPHATIDYLCHOLINE                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GANGLIOSIDE GM2 ACTIVATOR;                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: GM2-AP;                                                     
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 ORGAN: LIVER, BRAIN, NEURONS;                                        
SOURCE   6 GENE: GM2A;                                                          
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PET16B (NOVAGEN)                          
KEYWDS    LIPID-PROTEIN COMPLEX, LIPID ACYL CHAIN STACKING, LIPID BINDING       
KEYWDS   2 PROTEIN                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.S.WRIGHT,L.Z.MI,S.LEE,F.RASTINEJAD                                  
REVDAT   3   23-AUG-23 2AF9    1       REMARK SEQADV                            
REVDAT   2   24-FEB-09 2AF9    1       VERSN                                    
REVDAT   1   25-OCT-05 2AF9    0                                                
JRNL        AUTH   C.S.WRIGHT,L.Z.MI,S.LEE,F.RASTINEJAD                         
JRNL        TITL   CRYSTAL STRUCTURE ANALYSIS OF                                
JRNL        TITL 2 PHOSPHATIDYLCHOLINE-GM2-ACTIVATOR PRODUCT COMPLEXES:         
JRNL        TITL 3 EVIDENCE FOR HYDROLASE ACTIVITY.                             
JRNL        REF    BIOCHEMISTRY                  V.  44 13510 2005              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   16216074                                                     
JRNL        DOI    10.1021/BI050668W                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.S.WRIGHT,S.C.LI,F.RASTINEJAD                               
REMARK   1  TITL   CRYSTAL STRUCTURE OF HUMAN GM2- ACTIVATOR PROTEIN WITH A     
REMARK   1  TITL 2 NOVEL BETA-CUP TOPOLOGY                                      
REMARK   1  REF    J.MOL.BIOL.                   V. 304   411 2000              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  PMID   11090283                                                     
REMARK   1  DOI    10.1006/JMBI.2000.4225                                       
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   C.S.WRIGHT,Q.ZHAO,F.RASTINEJAD                               
REMARK   1  TITL   STRUCTURE ANALYSIS OF LIPID COMPLEXES OF GM2-ACTIVATOR       
REMARK   1  TITL 2 PROTEIN                                                      
REMARK   1  REF    J.MOL.BIOL.                   V. 331   951 2003              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  PMID   12909021                                                     
REMARK   1  DOI    10.1016/S0022-2836(03)00794-0                                
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   C.S.WRIGHT,L.Z.MI,F.RASTINEJAD                               
REMARK   1  TITL   EVIDENCE FOR LIPID PACKAGING IN THE CRYSTAL STRUCTURE OF THE 
REMARK   1  TITL 2 GM2-ACTIVATOR COMPLEX WITH PLATELET ACTIVATING FACTOR        
REMARK   1  REF    J.MOL.BIOL.                   V. 342   585 2004              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 18.50                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1020095.170                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 94.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 12607                          
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 SET) : 0.222                           
REMARK   3   FREE R VALUE                     : 0.279                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 8.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1020                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.009                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.13                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1994                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2120                       
REMARK   3   BIN FREE R VALUE                    : 0.2710                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 7.80                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 169                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.021                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1235                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 72                                      
REMARK   3   SOLVENT ATOMS            : 115                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 23.67                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 33.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.03000                                             
REMARK   3    B22 (A**2) : -0.29000                                             
REMARK   3    B33 (A**2) : 0.31000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.24                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.02                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.31                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.02                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.011                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.500                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.90                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.110                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.990 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.870 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 9.750 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 8.380 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.40                                                 
REMARK   3   BSOL        : 85.19                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  3  : SOLVENT_REP.PARAM                              
REMARK   3  PARAMETER FILE  4  : LPC_OLA_MYR_LAU_EPE.PARAM                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  3   : SOLVENT.TOP                                    
REMARK   3  TOPOLOGY FILE  4   : LPC_OLA_MYR_LAU_EPE.TOP                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2AF9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-AUG-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000033823.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-AUG-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 123                                
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 22-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97943                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 13297                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.550                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.6                               
REMARK 200  DATA REDUNDANCY                : 5.700                              
REMARK 200  R MERGE                    (I) : 0.04000                            
REMARK 200  R SYM                      (I) : 0.04000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 34.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.61                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 65.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.29200                            
REMARK 200  R SYM FOR SHELL            (I) : 0.29200                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1PUB                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.10                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.63                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, ISO-PROPANOL, HEPES, PH 5.5,   
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 278K                     
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       19.56000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       57.10500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       20.99000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       57.10500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       19.56000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       20.99000            
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     HIS A    -1                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     MET A   0    CG   SD   CE                                        
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     THR A   90   CB   OG1  CG2                                       
REMARK 480     LYS A  110   CD   CE   NZ                                        
REMARK 480     GLU A  111   CG   CD   OE1  OE2                                  
REMARK 480     ASP A  125   CG   OD1  OD2                                       
REMARK 480     LEU A  126   CG   CD1  CD2                                       
REMARK 480     GLU A  127   CB   CG   CD   OE1  OE2                             
REMARK 480     LYS A  160   NZ                                                  
REMARK 480     ILE A  162   CB   CG1  CG2  CD1  OXT                             
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  3651     O    HOH A  3679     3655     2.05            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    TYR A  71       -1.05     77.58                                   
REMARK 500    CYS A 105       25.08   -143.77                                   
REMARK 500    LEU A 126      -17.99     65.01                                   
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 OLA A 3629                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MYR A 3045                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DAO A 1364                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DAO A 1365                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 1510                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 1511                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1TJJ   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN COMPLEXED WITH PLATELET ACTIVATING FACTOR (PAF)         
REMARK 900 RELATED ID: 1PUB   RELATED DB: PDB                                   
REMARK 900 APO-PROTEIN STRUCTURE OF CRYTALS GROWN AT PH 5.5                     
REMARK 900 RELATED ID: 1PU5   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN CO-CRYSTALLIZED WITH GM2 GANGLIOSIDE                    
REMARK 900 RELATED ID: 1G13   RELATED DB: PDB                                   
REMARK 900 APO-PROTEIN STRUCTURE OF CRYSTALS GROWN AT PH 7.9                    
DBREF  2AF9 A    1   162  UNP    P17900   SAP3_HUMAN      32    193             
SEQADV 2AF9 HIS A   -1  UNP  P17900              CLONING ARTIFACT               
SEQADV 2AF9 MET A    0  UNP  P17900              CLONING ARTIFACT               
SEQRES   1 A  164  HIS MET SER SER PHE SER TRP ASP ASN CYS ASP GLU GLY          
SEQRES   2 A  164  LYS ASP PRO ALA VAL ILE ARG SER LEU THR LEU GLU PRO          
SEQRES   3 A  164  ASP PRO ILE VAL VAL PRO GLY ASN VAL THR LEU SER VAL          
SEQRES   4 A  164  VAL GLY SER THR SER VAL PRO LEU SER SER PRO LEU LYS          
SEQRES   5 A  164  VAL ASP LEU VAL LEU GLU LYS GLU VAL ALA GLY LEU TRP          
SEQRES   6 A  164  ILE LYS ILE PRO CYS THR ASP TYR ILE GLY SER CYS THR          
SEQRES   7 A  164  PHE GLU HIS PHE CYS ASP VAL LEU ASP MET LEU ILE PRO          
SEQRES   8 A  164  THR GLY GLU PRO CYS PRO GLU PRO LEU ARG THR TYR GLY          
SEQRES   9 A  164  LEU PRO CYS HIS CYS PRO PHE LYS GLU GLY THR TYR SER          
SEQRES  10 A  164  LEU PRO LYS SER GLU PHE VAL VAL PRO ASP LEU GLU LEU          
SEQRES  11 A  164  PRO SER TRP LEU THR THR GLY ASN TYR ARG ILE GLU SER          
SEQRES  12 A  164  VAL LEU SER SER SER GLY LYS ARG LEU GLY CYS ILE LYS          
SEQRES  13 A  164  ILE ALA ALA SER LEU LYS GLY ILE                              
HET    OLA  A3629      20                                                       
HET    MYR  A3045      16                                                       
HET    DAO  A1364      14                                                       
HET    DAO  A1365      14                                                       
HET    IPA  A1510       4                                                       
HET    IPA  A1511       4                                                       
HETNAM     OLA OLEIC ACID                                                       
HETNAM     MYR MYRISTIC ACID                                                    
HETNAM     DAO LAURIC ACID                                                      
HETNAM     IPA ISOPROPYL ALCOHOL                                                
HETSYN     IPA 2-PROPANOL                                                       
FORMUL   2  OLA    C18 H34 O2                                                   
FORMUL   3  MYR    C14 H28 O2                                                   
FORMUL   4  DAO    2(C12 H24 O2)                                                
FORMUL   6  IPA    2(C3 H8 O)                                                   
FORMUL   8  HOH   *115(H2 O)                                                    
HELIX    1   1 ASP A    9  LYS A   12  5                                   4    
HELIX    2   2 HIS A   79  ILE A   88  1                                  10    
HELIX    3   3 PRO A  129  THR A  134  1                                   6    
SHEET    1   A 5 SER A   4  ASN A   7  0                                        
SHEET    2   A 5 LYS A 148  GLY A 161 -1  O  LYS A 154   N  ASP A   6           
SHEET    3   A 5 GLY A 135  SER A 145 -1  N  ILE A 139   O  ILE A 155           
SHEET    4   A 5 LYS A  50  VAL A  59 -1  N  LYS A  50   O  SER A 144           
SHEET    5   A 5 LEU A  62  LYS A  65 -1  O  ILE A  64   N  LYS A  57           
SHEET    1   B 5 ILE A  27  VAL A  29  0                                        
SHEET    2   B 5 LYS A 148  GLY A 161  1  O  LYS A 160   N  VAL A  29           
SHEET    3   B 5 GLY A 135  SER A 145 -1  N  ILE A 139   O  ILE A 155           
SHEET    4   B 5 LYS A  50  VAL A  59 -1  N  LYS A  50   O  SER A 144           
SHEET    5   B 5 THR A  76  PHE A  77 -1  O  PHE A  77   N  VAL A  51           
SHEET    1   C 3 ALA A  15  GLU A  23  0                                        
SHEET    2   C 3 GLY A  31  THR A  41 -1  O  VAL A  38   N  ARG A  18           
SHEET    3   C 3 GLY A 112  VAL A 123 -1  O  TYR A 114   N  GLY A  39           
SSBOND   1 CYS A    8    CYS A  152                          1555   1555  2.04  
SSBOND   2 CYS A   68    CYS A   75                          1555   1555  2.04  
SSBOND   3 CYS A   81    CYS A  107                          1555   1555  2.03  
SSBOND   4 CYS A   94    CYS A  105                          1555   1555  2.03  
CISPEP   1 GLU A   23    PRO A   24          0        -0.16                     
CISPEP   2 ASP A   25    PRO A   26          0         0.03                     
CISPEP   3 VAL A   29    PRO A   30          0        -0.12                     
CISPEP   4 SER A   47    PRO A   48          0         0.13                     
CISPEP   5 GLU A   96    PRO A   97          0        -0.10                     
CISPEP   6 CYS A  107    PRO A  108          0        -0.01                     
SITE     1 AC1 10 ALA A  15  PHE A 109  TYR A 114  SER A 141                    
SITE     2 AC1 10 LEU A 143  GLY A 151  CYS A 152  ILE A 153                    
SITE     3 AC1 10 DAO A1364  HOH A3732                                          
SITE     1 AC2  4 ILE A  27  VAL A  33  LEU A 128  THR A 133                    
SITE     1 AC3  8 VAL A  51  PHE A  80  PHE A 109  ILE A 139                    
SITE     2 AC3  8 SER A 141  ILE A 153  ILE A 155  OLA A3629                    
SITE     1 AC4  6 LYS A  57  LEU A 132  TYR A 137  ILE A 155                    
SITE     2 AC4  6 ALA A 157  LEU A 159                                          
SITE     1 AC5  2 IPA A1511  HOH A3742                                          
SITE     1 AC6  3 LEU A  22  ILE A 155  IPA A1510                               
CRYST1   39.120   41.980  114.210  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      0.025562  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.023821  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008756        0.00000