HEADER    LIGASE                                  29-MAY-08   3DAM              
TITLE     CRYSTAL STRUCTURE OF ALLENE OXIDE SYNTHASE                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME P450 74A2;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: ALLENE OXIDE SYNTHASE, RUBBER PARTICLE PROTEIN, RPP;        
COMPND   5 EC: 4.2.1.92;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PARTHENIUM ARGENTATUM;                          
SOURCE   3 ORGANISM_COMMON: GUAYULE RUBBER PLANT;                               
SOURCE   4 ORGANISM_TAXID: 35935;                                               
SOURCE   5 GENE: CYP74A2, RPP30;                                                
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PET28B                                
KEYWDS    AOS HEME CYTOCHROME P450 STRUCTURE, FATTY ACID BIOSYNTHESIS, HEME,    
KEYWDS   2 IRON, LIPID SYNTHESIS, LYASE, METAL-BINDING, OXYLIPIN BIOSYNTHESIS,  
KEYWDS   3 LIGASE                                                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.LI,X.WANG                                                           
REVDAT   4   21-FEB-24 3DAM    1       REMARK SEQADV                            
REVDAT   3   24-FEB-09 3DAM    1       VERSN                                    
REVDAT   2   14-OCT-08 3DAM    1       JRNL                                     
REVDAT   1   23-SEP-08 3DAM    0                                                
JRNL        AUTH   L.LI,Z.CHANG,Z.PAN,Z.Q.FU,X.WANG                             
JRNL        TITL   MODES OF HEME BINDING AND SUBSTRATE ACCESS FOR CYTOCHROME    
JRNL        TITL 2 P450 CYP74A REVEALED BY CRYSTAL STRUCTURES OF ALLENE OXIDE   
JRNL        TITL 3 SYNTHASE.                                                    
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 105 13883 2008              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   18787124                                                     
JRNL        DOI    10.1073/PNAS.0804099105                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.2                                              
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 : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 28.38                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 127388.880                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 93.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 24762                          
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) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.243                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2459                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
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) : 2.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.55                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 89.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3480                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2600                       
REMARK   3   BIN FREE R VALUE                    : 0.3300                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.10                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 392                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.017                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3742                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 43                                      
REMARK   3   SOLVENT ATOMS            : 206                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 31.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 42.90                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -2.74000                                             
REMARK   3    B22 (A**2) : -2.74000                                             
REMARK   3    B33 (A**2) : 5.48000                                              
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) : 0.27                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.29                            
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) : 0.36                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.40                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 20.90                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.830                           
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) : 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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.35                                                 
REMARK   3   BSOL        : 51.70                                                
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  : HEM.PAR                                        
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : &_1_TOPOLOGY_INFILE_2                          
REMARK   3  TOPOLOGY FILE  3   : &_1_TOPOLOGY_INFILE_3                          
REMARK   3  TOPOLOGY FILE  4   : &_1_TOPOLOGY_INFILE_4                          
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED                   
REMARK   4                                                                      
REMARK   4 3DAM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-JUN-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000047800.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 25-JUN-07                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RUH3R                       
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                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV++                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 26120                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
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     (%) : 98.6                               
REMARK 200  DATA REDUNDANCY                : 98.60                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.80000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.2000                            
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) : 2.49                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 100.0                              
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR                          
REMARK 200 SOFTWARE USED: SHARP                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.89                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.07                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M (NH4)H2PO4, 50% MPD 0.1M TRIS PH    
REMARK 280  8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -Y,X,Z                                                  
REMARK 290       4555   Y,-X,Z                                                  
REMARK 290       5555   -X,Y,-Z                                                 
REMARK 290       6555   X,-Y,-Z                                                 
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z                                                
REMARK 290       9555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290      10555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290      11555   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290      12555   Y+1/2,-X+1/2,Z+1/2                                      
REMARK 290      13555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290      14555   X+1/2,-Y+1/2,-Z+1/2                                     
REMARK 290      15555   Y+1/2,X+1/2,-Z+1/2                                      
REMARK 290      16555   -Y+1/2,-X+1/2,-Z+1/2                                    
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9  1.000000  0.000000  0.000000       63.26750            
REMARK 290   SMTRY2   9  0.000000  1.000000  0.000000       63.26750            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       82.02300            
REMARK 290   SMTRY1  10 -1.000000  0.000000  0.000000       63.26750            
REMARK 290   SMTRY2  10  0.000000 -1.000000  0.000000       63.26750            
REMARK 290   SMTRY3  10  0.000000  0.000000  1.000000       82.02300            
REMARK 290   SMTRY1  11  0.000000 -1.000000  0.000000       63.26750            
REMARK 290   SMTRY2  11  1.000000  0.000000  0.000000       63.26750            
REMARK 290   SMTRY3  11  0.000000  0.000000  1.000000       82.02300            
REMARK 290   SMTRY1  12  0.000000  1.000000  0.000000       63.26750            
REMARK 290   SMTRY2  12 -1.000000  0.000000  0.000000       63.26750            
REMARK 290   SMTRY3  12  0.000000  0.000000  1.000000       82.02300            
REMARK 290   SMTRY1  13 -1.000000  0.000000  0.000000       63.26750            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       63.26750            
REMARK 290   SMTRY3  13  0.000000  0.000000 -1.000000       82.02300            
REMARK 290   SMTRY1  14  1.000000  0.000000  0.000000       63.26750            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000       63.26750            
REMARK 290   SMTRY3  14  0.000000  0.000000 -1.000000       82.02300            
REMARK 290   SMTRY1  15  0.000000  1.000000  0.000000       63.26750            
REMARK 290   SMTRY2  15  1.000000  0.000000  0.000000       63.26750            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000       82.02300            
REMARK 290   SMTRY1  16  0.000000 -1.000000  0.000000       63.26750            
REMARK 290   SMTRY2  16 -1.000000  0.000000  0.000000       63.26750            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       82.02300            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 601  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     ASP A     2                                                      
REMARK 465     PRO A     3                                                      
REMARK 465     SER A     4                                                      
REMARK 465     SER A     5                                                      
REMARK 465     ILE A   473                                                      
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    PRO A  18   C   -  N   -  CA  ANGL. DEV. =  12.9 DEGREES          
REMARK 500    PRO A  60   C   -  N   -  CA  ANGL. DEV. =  15.4 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  18      -26.13    -32.40                                   
REMARK 500    PRO A  60      -34.81     -4.88                                   
REMARK 500    ASP A  82       87.74    -63.60                                   
REMARK 500    ASP A  90       28.59     46.49                                   
REMARK 500    THR A  95       21.47    -78.04                                   
REMARK 500    MET A 327       73.74   -119.20                                   
REMARK 500    SER A 359     -159.80   -103.30                                   
REMARK 500    SER A 457      172.95    179.01                                   
REMARK 500    ALA A 471      -73.73    -64.07                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 600  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 426   SG                                                     
REMARK 620 2 HEM A 600   NA   97.9                                              
REMARK 620 3 HEM A 600   NB   86.8  88.5                                        
REMARK 620 4 HEM A 600   NC   82.6 179.4  91.2                                  
REMARK 620 5 HEM A 600   ND   96.7  89.8 176.3  90.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 600                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3DAN   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ALLENE OXIDE SYNTHASE                           
REMARK 900 RELATED ID: 3DBM   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ALLENE OXIDE SYNTHASE                           
DBREF  3DAM A    1   473  UNP    Q40778   C74A2_PARAR      1    473             
SEQADV 3DAM GLY A  105  UNP  Q40778    ALA   105 CONFLICT                       
SEQADV 3DAM LEU A  294  UNP  Q40778    VAL   294 CONFLICT                       
SEQADV 3DAM TYR A  392  UNP  Q40778    PHE   392 CONFLICT                       
SEQRES   1 A  473  MET ASP PRO SER SER LYS PRO LEU ARG GLU ILE PRO GLY          
SEQRES   2 A  473  SER TYR GLY ILE PRO PHE PHE GLN PRO ILE LYS ASP ARG          
SEQRES   3 A  473  LEU GLU TYR PHE TYR GLY THR GLY GLY ARG ASP GLU TYR          
SEQRES   4 A  473  PHE ARG SER ARG MET GLN LYS TYR GLN SER THR VAL PHE          
SEQRES   5 A  473  ARG ALA ASN MET PRO PRO GLY PRO PHE VAL SER SER ASN          
SEQRES   6 A  473  PRO LYS VAL ILE VAL LEU LEU ASP ALA LYS SER PHE PRO          
SEQRES   7 A  473  ILE LEU PHE ASP VAL SER LYS VAL GLU LYS LYS ASP LEU          
SEQRES   8 A  473  PHE THR GLY THR TYR MET PRO SER THR LYS LEU THR GLY          
SEQRES   9 A  473  GLY TYR ARG VAL LEU SER TYR LEU ASP PRO SER GLU PRO          
SEQRES  10 A  473  ARG HIS ALA GLN LEU LYS ASN LEU LEU PHE PHE MET LEU          
SEQRES  11 A  473  LYS ASN SER SER ASN ARG VAL ILE PRO GLN PHE GLU THR          
SEQRES  12 A  473  THR TYR THR GLU LEU PHE GLU GLY LEU GLU ALA GLU LEU          
SEQRES  13 A  473  ALA LYS ASN GLY LYS ALA ALA PHE ASN ASP VAL GLY GLU          
SEQRES  14 A  473  GLN ALA ALA PHE ARG PHE LEU GLY ARG ALA TYR PHE ASN          
SEQRES  15 A  473  SER ASN PRO GLU GLU THR LYS LEU GLY THR SER ALA PRO          
SEQRES  16 A  473  THR LEU ILE SER SER TRP VAL LEU PHE ASN LEU ALA PRO          
SEQRES  17 A  473  THR LEU ASP LEU GLY LEU PRO TRP PHE LEU GLN GLU PRO          
SEQRES  18 A  473  LEU LEU HIS THR PHE ARG LEU PRO ALA PHE LEU ILE LYS          
SEQRES  19 A  473  SER THR TYR ASN LYS LEU TYR ASP TYR PHE GLN SER VAL          
SEQRES  20 A  473  ALA THR PRO VAL MET GLU GLN ALA GLU LYS LEU GLY VAL          
SEQRES  21 A  473  PRO LYS ASP GLU ALA VAL HIS ASN ILE LEU PHE ALA VAL          
SEQRES  22 A  473  CYS PHE ASN THR PHE GLY GLY VAL LYS ILE LEU PHE PRO          
SEQRES  23 A  473  ASN THR LEU LYS TRP ILE GLY LEU ALA GLY GLU ASN LEU          
SEQRES  24 A  473  HIS THR GLN LEU ALA GLU GLU ILE ARG GLY ALA ILE LYS          
SEQRES  25 A  473  SER TYR GLY ASP GLY ASN VAL THR LEU GLU ALA ILE GLU          
SEQRES  26 A  473  GLN MET PRO LEU THR LYS SER VAL VAL TYR GLU SER LEU          
SEQRES  27 A  473  ARG ILE GLU PRO PRO VAL PRO PRO GLN TYR GLY LYS ALA          
SEQRES  28 A  473  LYS SER ASN PHE THR ILE GLU SER HIS ASP ALA THR PHE          
SEQRES  29 A  473  GLU VAL LYS LYS GLY GLU MET LEU PHE GLY TYR GLN PRO          
SEQRES  30 A  473  PHE ALA THR LYS ASP PRO LYS VAL PHE ASP ARG PRO GLU          
SEQRES  31 A  473  GLU TYR VAL PRO ASP ARG PHE VAL GLY ASP GLY GLU ALA          
SEQRES  32 A  473  LEU LEU LYS TYR VAL TRP TRP SER ASN GLY PRO GLU THR          
SEQRES  33 A  473  GLU SER PRO THR VAL GLU ASN LYS GLN CYS ALA GLY LYS          
SEQRES  34 A  473  ASP PHE VAL VAL LEU ILE THR ARG LEU PHE VAL ILE GLU          
SEQRES  35 A  473  LEU PHE ARG ARG TYR ASP SER PHE GLU ILE GLU LEU GLY          
SEQRES  36 A  473  GLU SER PRO LEU GLY ALA ALA VAL THR LEU THR PHE LEU          
SEQRES  37 A  473  LYS ARG ALA SER ILE                                          
HET    HEM  A 600      43                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    C34 H32 FE N4 O4                                             
FORMUL   3  HOH   *206(H2 O)                                                    
HELIX    1   1 PHE A   19  GLY A   32  1                                  14    
HELIX    2   2 GLY A   34  GLN A   48  1                                  15    
HELIX    3   3 SER A   76  PHE A   81  5                                   6    
HELIX    4   4 SER A   99  GLY A  104  5                                   6    
HELIX    5   5 VAL A  108  LEU A  112  5                                   5    
HELIX    6   6 GLU A  116  ASN A  132  1                                  17    
HELIX    7   7 ARG A  136  GLY A  160  1                                  25    
HELIX    8   8 PHE A  164  ASN A  182  1                                  19    
HELIX    9   9 ASN A  184  THR A  188  5                                   5    
HELIX   10  10 SER A  193  ALA A  207  1                                  15    
HELIX   11  11 PRO A  208  LEU A  210  5                                   3    
HELIX   12  12 PRO A  215  LEU A  223  1                                   9    
HELIX   13  13 PRO A  229  LEU A  232  5                                   4    
HELIX   14  14 ILE A  233  ALA A  248  1                                  16    
HELIX   15  15 ALA A  248  GLY A  259  1                                  12    
HELIX   16  16 PRO A  261  PHE A  275  1                                  15    
HELIX   17  17 ASN A  276  GLY A  296  1                                  21    
HELIX   18  18 GLY A  296  GLY A  315  1                                  20    
HELIX   19  19 THR A  320  GLU A  325  1                                   6    
HELIX   20  20 MET A  327  GLU A  341  1                                  15    
HELIX   21  21 GLN A  376  THR A  380  1                                   5    
HELIX   22  22 VAL A  398  VAL A  408  5                                  11    
HELIX   23  23 GLY A  428  ARG A  446  1                                  19    
SHEET    1   A 5 VAL A  51  ASN A  55  0                                        
SHEET    2   A 5 LYS A  67  LEU A  71 -1  O  VAL A  70   N  PHE A  52           
SHEET    3   A 5 MET A 371  TYR A 375  1  O  PHE A 373   N  ILE A  69           
SHEET    4   A 5 PRO A 346  ALA A 351 -1  N  GLY A 349   O  LEU A 372           
SHEET    5   A 5 VAL A  86  GLU A  87 -1  N  GLU A  87   O  LYS A 350           
SHEET    1   B 3 ALA A 162  ALA A 163  0                                        
SHEET    2   B 3 VAL A 463  ARG A 470 -1  O  LEU A 465   N  ALA A 162           
SHEET    3   B 3 TYR A 447  LEU A 454 -1  N  ASP A 448   O  LYS A 469           
SHEET    1   C 2 PHE A 355  GLU A 358  0                                        
SHEET    2   C 2 THR A 363  VAL A 366 -1  O  PHE A 364   N  ILE A 357           
LINK         SG  CYS A 426                FE   HEM A 600     1555   1555  2.58  
CISPEP   1 PRO A   57    PRO A   58          0         0.42                     
SITE     1 AC1 24 LYS A  88  PHE A  92  LEU A 109  HIS A 119                    
SITE     2 AC1 24 LYS A 123  LEU A 126  LEU A 130  TYR A 180                    
SITE     3 AC1 24 ASN A 276  THR A 277  GLY A 280  LEU A 284                    
SITE     4 AC1 24 PRO A 343  TRP A 410  ASN A 412  ASN A 423                    
SITE     5 AC1 24 LYS A 424  CYS A 426  ALA A 427  HOH A 606                    
SITE     6 AC1 24 HOH A 610  HOH A 613  HOH A 626  HOH A 662                    
CRYST1  126.535  126.535  164.046  90.00  90.00  90.00 I 4 2 2      16          
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      0.007903  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007903  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006096        0.00000