PDB Short entry for 1X8P
HEADER    LIGAND BINDING PROTEIN                  18-AUG-04   1X8P              
TITLE     0.85 A CRYSTAL STRUCTURE OF NITROPHORIN 4 FROM RHODNIUS PROLIXUS      
TITLE    2 COMPLEXED WITH AMMONIA AT PH 7.4                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NITROPHORIN 4;                                             
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: NP4;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RHODNIUS PROLIXUS;                              
SOURCE   3 ORGANISM_TAXID: 13249;                                               
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21DE3;                                   
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET17B                                    
KEYWDS    LIPOCALIN; BETA BARREL; FERRIC HEME, LIGAND BINDING PROTEIN           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.A.KONDRASHOV,S.A.ROBERTS,A.WEICHSEL,W.R.MONTFORT                    
REVDAT   4   23-AUG-23 1X8P    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1X8P    1       VERSN                                    
REVDAT   2   21-DEC-04 1X8P    1       JRNL                                     
REVDAT   1   05-OCT-04 1X8P    0                                                
JRNL        AUTH   D.A.KONDRASHOV,S.A.ROBERTS,A.WEICHSEL,W.R.MONTFORT           
JRNL        TITL   PROTEIN FUNCTIONAL CYCLE VIEWED AT ATOMIC RESOLUTION:        
JRNL        TITL 2 CONFORMATIONAL CHANGE AND MOBILITY IN NITROPHORIN 4 AS A     
JRNL        TITL 3 FUNCTION OF PH AND NO BINDING                                
JRNL        REF    BIOCHEMISTRY                  V.  43 13637 2004              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   15504026                                                     
JRNL        DOI    10.1021/BI0483155                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    0.85 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) : 0.85                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 82.8                           
REMARK   3   CROSS-VALIDATION METHOD           : FREE R                         
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) : 0.133                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.131                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.159                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 5729                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 113492                 
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.125                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.124                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.151                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 4458                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 88709                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 1428                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 44                                            
REMARK   3   SOLVENT ATOMS      : 351                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 1789.0                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 1354.7                  
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 99                      
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 17834                   
REMARK   3   NUMBER OF RESTRAINTS                     : 18989                   
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.015                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.036                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.450                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.081                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.100                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.081                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.006                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.049                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.091                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER                        
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R     
REMARK   3  (NO CUTOFF) BY 4%. ADDITION OF HYDROGENS IN CALCULATED POSITIONS    
REMARK   3  FURTHER REDUCED FREE R BY 1%                                        
REMARK   4                                                                      
REMARK   4 1X8P COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-AUG-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000030079.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-AUG-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.900                              
REMARK 200  MONOCHROMATOR                  : BENT GE(111)                       
REMARK 200  OPTICS                         : BENT CONICAL SI-MIRROR (RH         
REMARK 200                                   COATING)                           
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM, D*TREK (CRYSTAL CLEAR)     
REMARK 200  DATA SCALING SOFTWARE          : CRYSTALCLEAR D*TREK (MSC/RIGAKU)   
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 113853                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 0.850                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 22.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 82.8                               
REMARK 200  DATA REDUNDANCY                : 4.000                              
REMARK 200  R MERGE                    (I) : 0.03800                            
REMARK 200  R SYM                      (I) : 0.03800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.85                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 0.88                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 56.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.32000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: SHELX                                                 
REMARK 200 STARTING MODEL: 1D2U                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 24.70                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.63                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM PHOSPHATE, PH 7.4, VAPOR        
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 300.0K                         
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
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   X+1/2,Y+1/2,Z                                           
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        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  1.000000  0.000000  0.000000       35.16000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       21.40500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       35.16000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       21.40500            
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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER CONSISTING OF CHAIN A   
REMARK 300 AND THE HEME, AND CAN BE GENERATED BY THE IDENTITY OPERATION: X,Y,Z  
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 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 260  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 327  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 357  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 394  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 425  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 440  LIES ON A SPECIAL POSITION.                          
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  33   C   -  N   -  CA  ANGL. DEV. =  10.3 DEGREES          
REMARK 500    ARG A  39   O   -  C   -  N   ANGL. DEV. = -12.2 DEGREES          
REMARK 500    TYR A  40   CD1 -  CG  -  CD2 ANGL. DEV. =  -7.9 DEGREES          
REMARK 500    TYR A  40   CB  -  CG  -  CD1 ANGL. DEV. =   5.3 DEGREES          
REMARK 500    TYR A  40   CB  -  CG  -  CD1 ANGL. DEV. =  10.8 DEGREES          
REMARK 500    TYR A  40   CG  -  CD1 -  CE1 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    TYR A  40   CG  -  CD2 -  CE2 ANGL. DEV. =   7.8 DEGREES          
REMARK 500    TYR A  40   CZ  -  CE2 -  CD2 ANGL. DEV. =   7.2 DEGREES          
REMARK 500    TYR A  60   CG  -  CD1 -  CE1 ANGL. DEV. =   7.2 DEGREES          
REMARK 500    SER A  72   N   -  CA  -  CB  ANGL. DEV. =  -9.3 DEGREES          
REMARK 500    TYR A  82   CD1 -  CE1 -  CZ  ANGL. DEV. =   6.0 DEGREES          
REMARK 500    PHE A 107   CB  -  CG  -  CD2 ANGL. DEV. =   7.5 DEGREES          
REMARK 500    PHE A 107   CB  -  CG  -  CD1 ANGL. DEV. =  -7.8 DEGREES          
REMARK 500    ASP A 129   CB  -  CG  -  OD1 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    ASP A 142   CB  -  CG  -  OD1 ANGL. DEV. =   5.9 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    PHE A  18       56.86    -90.01                                   
REMARK 500    GLU A  32       75.34   -112.19                                   
REMARK 500    ASP A  34       49.88    -96.89                                   
REMARK 500    TYR A  40      126.94   -179.26                                   
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 185  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  59   NE2                                                    
REMARK 620 2 HEM A 185   NA   89.0                                              
REMARK 620 3 HEM A 185   NB   90.9  89.0                                        
REMARK 620 4 HEM A 185   NC   91.3 179.6  91.2                                  
REMARK 620 5 HEM A 185   ND   90.7  90.0 178.1  89.8                            
REMARK 620 6 NH3 A 186   N   178.9  90.6  90.0  89.0  88.3                      
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 HEM A 185                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NH3 A 186                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1D2U   RELATED DB: PDB                                   
REMARK 900 NP4 IN IDENTICAL CONDITIONS TO 1.1 A RESOLUTION                      
REMARK 900 RELATED ID: 1X8N   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1X8O   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1X8Q   RELATED DB: PDB                                   
DBREF  1X8P A    1   184  UNP    Q94734   NP4_RHOPR       22    205             
SEQRES   1 A  184  ALA CYS THR LYS ASN ALA ILE ALA GLN THR GLY PHE ASN          
SEQRES   2 A  184  LYS ASP LYS TYR PHE ASN GLY ASP VAL TRP TYR VAL THR          
SEQRES   3 A  184  ASP TYR LEU ASP LEU GLU PRO ASP ASP VAL PRO LYS ARG          
SEQRES   4 A  184  TYR CYS ALA ALA LEU ALA ALA GLY THR ALA SER GLY LYS          
SEQRES   5 A  184  LEU LYS GLU ALA LEU TYR HIS TYR ASP PRO LYS THR GLN          
SEQRES   6 A  184  ASP THR PHE TYR ASP VAL SER GLU LEU GLN VAL GLU SER          
SEQRES   7 A  184  LEU GLY LYS TYR THR ALA ASN PHE LYS LYS VAL ASP LYS          
SEQRES   8 A  184  ASN GLY ASN VAL LYS VAL ALA VAL THR ALA GLY ASN TYR          
SEQRES   9 A  184  TYR THR PHE THR VAL MET TYR ALA ASP ASP SER SER ALA          
SEQRES  10 A  184  LEU ILE HIS THR CYS LEU HIS LYS GLY ASN LYS ASP LEU          
SEQRES  11 A  184  GLY ASP LEU TYR ALA VAL LEU ASN ARG ASN LYS ASP ALA          
SEQRES  12 A  184  ALA ALA GLY ASP LYS VAL LYS SER ALA VAL SER ALA ALA          
SEQRES  13 A  184  THR LEU GLU PHE SER LYS PHE ILE SER THR LYS GLU ASN          
SEQRES  14 A  184  ASN CYS ALA TYR ASP ASN ASP SER LEU LYS SER LEU LEU          
SEQRES  15 A  184  THR LYS                                                      
HET    HEM  A 185      43                                                       
HET    NH3  A 186       1                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     NH3 AMMONIA                                                          
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    C34 H32 FE N4 O4                                             
FORMUL   3  NH3    H3 N                                                         
FORMUL   4  HOH   *351(H2 O)                                                    
HELIX    1   1 ASN A   13  PHE A   18  1                                   6    
HELIX    2   2 GLU A   32  VAL A   36  5                                   5    
HELIX    3   3 GLY A  146  ALA A  156  1                                  11    
HELIX    4   4 GLU A  159  PHE A  163  5                                   5    
HELIX    5   5 LYS A  167  ASN A  170  5                                   4    
HELIX    6   6 ASP A  174  LEU A  182  1                                   9    
SHEET    1   A 7 VAL A  95  VAL A  97  0                                        
SHEET    2   A 7 LYS A  81  VAL A  89 -1  N  LYS A  88   O  LYS A  96           
SHEET    3   A 7 THR A  67  SER A  78 -1  N  GLN A  75   O  THR A  83           
SHEET    4   A 7 LYS A  52  TYR A  60 -1  N  LEU A  57   O  ASP A  70           
SHEET    5   A 7 CYS A  41  ALA A  49 -1  N  GLY A  47   O  LYS A  54           
SHEET    6   A 7 ASN A  19  ASP A  30 -1  N  TRP A  23   O  LEU A  44           
SHEET    7   A 7 ILE A 164  SER A 165 -1  O  ILE A 164   N  TYR A  28           
SHEET    1   B 7 VAL A  95  VAL A  97  0                                        
SHEET    2   B 7 LYS A  81  VAL A  89 -1  N  LYS A  88   O  LYS A  96           
SHEET    3   B 7 ASN A 103  ALA A 112 -1  O  TYR A 105   N  ALA A  84           
SHEET    4   B 7 SER A 116  LYS A 125 -1  O  HIS A 124   N  TYR A 104           
SHEET    5   B 7 ASP A 132  ASN A 138 -1  O  LEU A 137   N  ALA A 117           
SHEET    6   B 7 ASN A  19  ASP A  30 -1  N  ASP A  27   O  VAL A 136           
SHEET    7   B 7 ILE A 164  SER A 165 -1  O  ILE A 164   N  TYR A  28           
SSBOND   1 CYS A    2    CYS A  122                          1555   1555  2.05  
SSBOND   2 CYS A   41    CYS A  171                          1555   1555  2.04  
LINK         NE2 HIS A  59                FE   HEM A 185     1555   1555  1.98  
LINK        FE   HEM A 185                 N   NH3 A 186     1555   1555  2.04  
SITE     1 AC1 18 VAL A  25  VAL A  36  PRO A  37  TYR A  40                    
SITE     2 AC1 18 LEU A  57  HIS A  59  ASP A  70  PHE A  86                    
SITE     3 AC1 18 LYS A  88  TYR A 105  LEU A 123  LYS A 125                    
SITE     4 AC1 18 LYS A 128  LEU A 133  NH3 A 186  HOH A 291                    
SITE     5 AC1 18 HOH A 292  HOH A 433                                          
SITE     1 AC2  3 LEU A 133  HEM A 185  HOH A 298                               
CRYST1   70.320   42.810   52.920  90.00  94.10  90.00 C 1 2 1       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      0.014221  0.000000  0.001019        0.00000                         
SCALE2      0.000000  0.023359  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.018945        0.00000