HEADER    OXIDOREDUCTASE                          22-MAY-01   1J8U              
TITLE     CATALYTIC DOMAIN OF HUMAN PHENYLALANINE HYDROXYLASE FE(II) IN COMPLEX 
TITLE    2 WITH TETRAHYDROBIOPTERIN                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PHENYLALANINE-4-HYDROXYLASE;                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CATALYTIC DOMAIN (RESIDUES 103-427);                       
COMPND   5 SYNONYM: PHE-4-MONOOXYGENASE;                                        
COMPND   6 EC: 1.14.16.1;                                                       
COMPND   7 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: PAH;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PMAL                                      
KEYWDS    FERROUS IRON, 2-HIS-1-CARBOXYLATE FACIAL TRIAD, TETRAHYDROBIOPTERIN,  
KEYWDS   2 OXIDOREDUCTASE                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    O.A.ANDERSEN,T.FLATMARK,E.HOUGH                                       
REVDAT   3   16-AUG-23 1J8U    1       REMARK                                   
REVDAT   2   24-FEB-09 1J8U    1       VERSN                                    
REVDAT   1   22-MAY-02 1J8U    0                                                
JRNL        AUTH   O.A.ANDERSEN,T.FLATMARK,E.HOUGH                              
JRNL        TITL   HIGH RESOLUTION CRYSTAL STRUCTURES OF THE CATALYTIC DOMAIN   
JRNL        TITL 2 OF HUMAN PHENYLALANINE HYDROXYLASE IN ITS CATALYTICALLY      
JRNL        TITL 3 ACTIVE FE(II) FORM AND BINARY COMPLEX WITH                   
JRNL        TITL 4 TETRAHYDROBIOPTERIN.                                         
JRNL        REF    J.MOL.BIOL.                   V. 314   279 2001              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   11718561                                                     
JRNL        DOI    10.1006/JMBI.2001.5061                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   CROSS-VALIDATION METHOD           : THROUGHOUT                     
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.157                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.154                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.203                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 7274                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 71887                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : NULL                   
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 2517                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 18                                            
REMARK   3   SOLVENT ATOMS      : 393                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : NULL                    
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : NULL                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL                    
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : NULL                    
REMARK   3   NUMBER OF RESTRAINTS                     : NULL                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.012                   
REMARK   3   ANGLE DISTANCES                      (A) : 2.030                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL                    
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : NULL                    
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : NULL                    
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : NULL                    
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : NULL                    
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : NULL                    
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : NULL                    
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : NULL                    
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER, 1991                  
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1J8U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-MAY-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000013504.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 30-SEP-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 6.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM1A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.873                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 71940                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 6.900                              
REMARK 200  R MERGE                    (I) : 0.05100                            
REMARK 200  R SYM                      (I) : 0.05100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.7000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.58                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.37000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.37000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: PDB ENTRY 1PAH                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 57.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.98                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG2000, NA-HEPES, ETHYLENE GLYCOL, PH   
REMARK 280  6.8, VAPOR DIFFUSION, HANGING DROP, ANAEROBICALLY, TEMPERATURE      
REMARK 280  277K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       62.20900            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       62.20900            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       33.22050            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       54.33800            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       33.22050            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       54.33800            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       62.20900            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       33.22050            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       54.33800            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       62.20900            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       33.22050            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       54.33800            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 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 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       62.20900            
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   103                                                      
REMARK 465     ALA A   104                                                      
REMARK 465     THR A   105                                                      
REMARK 465     VAL A   106                                                      
REMARK 465     HIS A   107                                                      
REMARK 465     GLU A   108                                                      
REMARK 465     LEU A   109                                                      
REMARK 465     SER A   110                                                      
REMARK 465     ARG A   111                                                      
REMARK 465     ASP A   112                                                      
REMARK 465     LYS A   113                                                      
REMARK 465     LYS A   114                                                      
REMARK 465     LYS A   115                                                      
REMARK 465     ASP A   116                                                      
REMARK 465     THR A   117                                                      
REMARK 465     ASP A   425                                                      
REMARK 465     ASN A   426                                                      
REMARK 465     THR A   427                                                      
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     ARG A  130   CG                                                  
REMARK 480     ALA A  132   CB                                                  
REMARK 480     ASN A  133   CB                                                  
REMARK 480     GLN A  134   CB   CG   OE1                                       
REMARK 480     LYS A  159   CD                                                  
REMARK 480     LYS A  185   NZ                                                  
REMARK 480     LYS A  192   CD                                                  
REMARK 480     LYS A  195   NZ                                                  
REMARK 480     LYS A  199   NZ                                                  
REMARK 480     TYR A  204   OH                                                  
REMARK 480     LYS A  215   CD   CE   NZ                                        
REMARK 480     HIS A  220   CG                                                  
REMARK 480     GLU A  221   CG   CD   OE2                                       
REMARK 480     LEU A  248   CD1                                                 
REMARK 480     LYS A  274   CD   CE   NZ                                        
REMARK 480     ARG A  297   CZ                                                  
REMARK 480     LYS A  371   CD                                                  
REMARK 480     VAL A  379   CG2                                                 
REMARK 480     GLU A  381   CG                                                  
REMARK 480     GLU A  397   CD   OE1  OE2                                       
REMARK 480     ARG A  400   NH1                                                 
REMARK 480     ARG A  413   CG                                                  
REMARK 480     GLU A  422   OE1                                                 
REMARK 480     LEU A  424   CG   CD1  CD2                                       
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OE2  GLU A   221     O    HOH A  1254              1.67            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    TYR A 166   CB  -  CG  -  CD2 ANGL. DEV. =   4.8 DEGREES          
REMARK 500    ARG A 176   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    TYR A 206   CB  -  CG  -  CD2 ANGL. DEV. =   4.3 DEGREES          
REMARK 500    ARG A 243   CA  -  CB  -  CG  ANGL. DEV. =  13.4 DEGREES          
REMARK 500    ARG A 261   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    TYR A 268   CB  -  CG  -  CD1 ANGL. DEV. =   4.5 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    THR A 328      -83.97   -125.05                                   
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                             FE2 A 428  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 285   NE2                                                    
REMARK 620 2 HIS A 290   NE2  98.7                                              
REMARK 620 3 GLU A 330   OE2  92.6  97.1                                        
REMARK 620 4 HOH A1250   O    93.6 162.4  94.9                                  
REMARK 620 5 HOH A1251   O    93.4  87.5 171.8  79.1                            
REMARK 620 6 HOH A1253   O   175.4  84.3  90.5  82.7  83.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE2 A 428                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B A 429                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1J8T   RELATED DB: PDB                                   
REMARK 900 CATALYTIC DOMAIN OF HUMAN PHENYLALANINE HYDROXYLASE FE(II)           
DBREF  1J8U A  103   427  UNP    P00439   PH4H_HUMAN     103    427             
SEQRES   1 A  325  GLY ALA THR VAL HIS GLU LEU SER ARG ASP LYS LYS LYS          
SEQRES   2 A  325  ASP THR VAL PRO TRP PHE PRO ARG THR ILE GLN GLU LEU          
SEQRES   3 A  325  ASP ARG PHE ALA ASN GLN ILE LEU SER TYR GLY ALA GLU          
SEQRES   4 A  325  LEU ASP ALA ASP HIS PRO GLY PHE LYS ASP PRO VAL TYR          
SEQRES   5 A  325  ARG ALA ARG ARG LYS GLN PHE ALA ASP ILE ALA TYR ASN          
SEQRES   6 A  325  TYR ARG HIS GLY GLN PRO ILE PRO ARG VAL GLU TYR MET          
SEQRES   7 A  325  GLU GLU GLU LYS LYS THR TRP GLY THR VAL PHE LYS THR          
SEQRES   8 A  325  LEU LYS SER LEU TYR LYS THR HIS ALA CYS TYR GLU TYR          
SEQRES   9 A  325  ASN HIS ILE PHE PRO LEU LEU GLU LYS TYR CYS GLY PHE          
SEQRES  10 A  325  HIS GLU ASP ASN ILE PRO GLN LEU GLU ASP VAL SER GLN          
SEQRES  11 A  325  PHE LEU GLN THR CYS THR GLY PHE ARG LEU ARG PRO VAL          
SEQRES  12 A  325  ALA GLY LEU LEU SER SER ARG ASP PHE LEU GLY GLY LEU          
SEQRES  13 A  325  ALA PHE ARG VAL PHE HIS CYS THR GLN TYR ILE ARG HIS          
SEQRES  14 A  325  GLY SER LYS PRO MET TYR THR PRO GLU PRO ASP ILE CYS          
SEQRES  15 A  325  HIS GLU LEU LEU GLY HIS VAL PRO LEU PHE SER ASP ARG          
SEQRES  16 A  325  SER PHE ALA GLN PHE SER GLN GLU ILE GLY LEU ALA SER          
SEQRES  17 A  325  LEU GLY ALA PRO ASP GLU TYR ILE GLU LYS LEU ALA THR          
SEQRES  18 A  325  ILE TYR TRP PHE THR VAL GLU PHE GLY LEU CYS LYS GLN          
SEQRES  19 A  325  GLY ASP SER ILE LYS ALA TYR GLY ALA GLY LEU LEU SER          
SEQRES  20 A  325  SER PHE GLY GLU LEU GLN TYR CYS LEU SER GLU LYS PRO          
SEQRES  21 A  325  LYS LEU LEU PRO LEU GLU LEU GLU LYS THR ALA ILE GLN          
SEQRES  22 A  325  ASN TYR THR VAL THR GLU PHE GLN PRO LEU TYR TYR VAL          
SEQRES  23 A  325  ALA GLU SER PHE ASN ASP ALA LYS GLU LYS VAL ARG ASN          
SEQRES  24 A  325  PHE ALA ALA THR ILE PRO ARG PRO PHE SER VAL ARG TYR          
SEQRES  25 A  325  ASP PRO TYR THR GLN ARG ILE GLU VAL LEU ASP ASN THR          
HET    FE2  A 428       1                                                       
HET    H4B  A 429      17                                                       
HETNAM     FE2 FE (II) ION                                                      
HETNAM     H4B 5,6,7,8-TETRAHYDROBIOPTERIN                                      
FORMUL   2  FE2    FE 2+                                                        
FORMUL   3  H4B    C9 H15 N5 O3                                                 
FORMUL   4  HOH   *393(H2 O)                                                    
HELIX    1   1 ILE A  125  GLN A  134  5                                  10    
HELIX    2   2 GLY A  139  ASP A  143  5                                   5    
HELIX    3   3 ASP A  151  TYR A  168  1                                  18    
HELIX    4   4 MET A  180  ALA A  202  1                                  23    
HELIX    5   5 CYS A  203  GLY A  218  1                                  16    
HELIX    6   6 GLN A  226  GLY A  239  1                                  14    
HELIX    7   7 SER A  250  PHE A  260  1                                  11    
HELIX    8   8 ASP A  282  HIS A  290  1                                   9    
HELIX    9   9 HIS A  290  SER A  295  1                                   6    
HELIX   10  10 ASP A  296  LEU A  311  1                                  16    
HELIX   11  11 PRO A  314  THR A  328  1                                  15    
HELIX   12  12 GLY A  344  SER A  349  1                                   6    
HELIX   13  13 SER A  350  LEU A  358  1                                   9    
HELIX   14  14 GLU A  368  ALA A  373  1                                   6    
HELIX   15  15 SER A  391  ALA A  404  1                                  14    
SHEET    1   A 2 ARG A 241  PRO A 244  0                                        
SHEET    2   A 2 VAL A 262  CYS A 265  1  N  PHE A 263   O  ARG A 241           
SHEET    1   B 4 SER A 339  ALA A 342  0                                        
SHEET    2   B 4 LEU A 333  GLN A 336 -1  N  CYS A 334   O  LYS A 341           
SHEET    3   B 4 LEU A 385  ALA A 389  1  O  TYR A 387   N  LEU A 333           
SHEET    4   B 4 LYS A 363  PRO A 366  1  O  LYS A 363   N  TYR A 386           
SHEET    1   C 2 SER A 411  ASP A 415  0                                        
SHEET    2   C 2 ARG A 420  LEU A 424 -1  O  ARG A 420   N  ASP A 415           
LINK         NE2 HIS A 285                FE   FE2 A 428     1555   1555  2.12  
LINK         NE2 HIS A 290                FE   FE2 A 428     1555   1555  2.13  
LINK         OE2 GLU A 330                FE   FE2 A 428     1555   1555  2.07  
LINK        FE   FE2 A 428                 O   HOH A1250     1555   1555  2.15  
LINK        FE   FE2 A 428                 O   HOH A1251     1555   1555  2.41  
LINK        FE   FE2 A 428                 O   HOH A1253     1555   1555  2.41  
SITE     1 AC1  6 HIS A 285  HIS A 290  GLU A 330  HOH A1250                    
SITE     2 AC1  6 HOH A1251  HOH A1253                                          
SITE     1 AC2 11 VAL A 245  GLY A 247  LEU A 249  SER A 251                    
SITE     2 AC2 11 PHE A 254  HOH A1142  HOH A1251  HOH A1253                    
SITE     3 AC2 11 HOH A1320  HOH A1327  HOH A1336                               
CRYST1   66.441  108.676  124.418  90.00  90.00  90.00 C 2 2 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      0.015051  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009202  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008037        0.00000