PDB Short entry for 1BTJ
HEADER    METAL TRANSPORT                         01-SEP-98   1BTJ              
TITLE     HUMAN SERUM TRANSFERRIN, RECOMBINANT N-TERMINAL LOBE, APO FORM,       
TITLE    2 CRYSTAL FORM 2                                                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (SERUM TRANSFERRIN);                               
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: N-TERMINAL LOBE;                                           
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: CRICETINAE;                                       
SOURCE   6 EXPRESSION_SYSTEM_COMMON: HAMSTERS;                                  
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 10026;                                      
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: PNUT-BHK                                   
KEYWDS    IRON TRANSPORT, GLYCOPROTEIN, TRANSFERRIN, N-LOBE, IRON-FREE FORM,    
KEYWDS   2 CONFORMATIONAL CHANGE, METAL TRANSPORT                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.D.JEFFREY,M.C.BEWLEY,R.T.A.MACGILLIVRAY,A.B.MASON,R.C.WOODWORTH,    
AUTHOR   2 E.N.BAKER                                                            
REVDAT   5   11-DEC-19 1BTJ    1       REMARK                                   
REVDAT   4   24-FEB-09 1BTJ    1       VERSN                                    
REVDAT   3   01-APR-03 1BTJ    1       JRNL                                     
REVDAT   2   29-DEC-99 1BTJ    4       HEADER COMPND REMARK JRNL                
REVDAT   2 2                   4       ATOM   SOURCE SEQRES                     
REVDAT   1   13-JAN-99 1BTJ    0                                                
JRNL        AUTH   P.D.JEFFREY,M.C.BEWLEY,R.T.MACGILLIVRAY,A.B.MASON,           
JRNL        AUTH 2 R.C.WOODWORTH,E.N.BAKER                                      
JRNL        TITL   LIGAND-INDUCED CONFORMATIONAL CHANGE IN TRANSFERRINS:        
JRNL        TITL 2 CRYSTAL STRUCTURE OF THE OPEN FORM OF THE N-TERMINAL         
JRNL        TITL 3 HALF-MOLECULE OF HUMAN TRANSFERRIN.                          
JRNL        REF    BIOCHEMISTRY                  V.  37 13978 1998              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   9760232                                                      
JRNL        DOI    10.1021/BI9812064                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 9438                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : R-FREE                          
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.217                           
REMARK   3   FREE R VALUE                     : 0.312                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1048                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5154                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 6.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.013                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.900                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : RESTRAINTS                                              
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1BTJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB.                               
REMARK 100 THE DEPOSITION ID IS D_1000008231.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-MAY-96                          
REMARK 200  TEMPERATURE           (KELVIN) : 113                                
REMARK 200  PH                             : 5.3                                
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 RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE CRYSTAL                   
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 11269                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 3.300                              
REMARK 200  R MERGE                    (I) : 0.11100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 5.9000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.50                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.25700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: HUMAN TRANSFERRIN N-LOBE, HOLO FORM, INDIVIDUAL      
REMARK 200  DOMAINS                                                             
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN DROP: 20 MG/ML PROTEIN, 20MM     
REMARK 280  NAHCO3, 50 MM KCL. RESERVOIR: 50 MM POTASSIUM ACETATE, PH 5.3,      
REMARK 280  35% MPD., VAPOR DIFFUSION, SITTING DROP                             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       38.65000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     VAL A     1                                                      
REMARK 465     PRO A     2                                                      
REMARK 465     ASP A     3                                                      
REMARK 465     ASP A   337                                                      
REMARK 465     VAL B     1                                                      
REMARK 465     PRO B     2                                                      
REMARK 465     ASP B     3                                                      
REMARK 465     ASP B   337                                                      
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 335   C   -  N   -  CA  ANGL. DEV. =  15.1 DEGREES          
REMARK 500    PRO B 335   C   -  N   -  CA  ANGL. DEV. =  16.1 DEGREES          
REMARK 500    PRO B 335   C   -  N   -  CD  ANGL. DEV. = -13.4 DEGREES          
REMARK 500    PRO B 335   N   -  CA  -  C   ANGL. DEV. =  15.8 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    SER A  12      175.32    172.99                                   
REMARK 500    LEU A  72      163.16    -45.61                                   
REMARK 500    ASN A  76       76.20     27.25                                   
REMARK 500    SER A  87     -139.95   -110.71                                   
REMARK 500    PHE A 107      147.83    165.67                                   
REMARK 500    GLN A 111        3.11   -172.30                                   
REMARK 500    TRP A 128      -68.46   -122.00                                   
REMARK 500    TYR A 136      -66.01    -17.83                                   
REMARK 500    CYS A 137       18.93    -67.87                                   
REMARK 500    PHE A 153      -35.69   -138.40                                   
REMARK 500    SER A 155       42.32    -72.95                                   
REMARK 500    PHE A 167       67.22   -152.27                                   
REMARK 500    LEU A 170       -6.78    -57.41                                   
REMARK 500    CYS A 174       78.25   -157.00                                   
REMARK 500    CYS A 179       46.63    -86.54                                   
REMARK 500    ASP A 229       40.68    -97.19                                   
REMARK 500    CYS A 241       79.31   -178.42                                   
REMARK 500    SER A 248      -79.44    -62.67                                   
REMARK 500    SER A 255      -71.00    -74.03                                   
REMARK 500    LYS A 259       11.10     92.01                                   
REMARK 500    LYS A 276       89.84    -53.93                                   
REMARK 500    SER A 279     -171.94    169.91                                   
REMARK 500    PHE A 282      168.91    170.38                                   
REMARK 500    LEU A 294      -63.43     77.89                                   
REMARK 500    ARG A 308       77.56     33.78                                   
REMARK 500    ALA A 311      -36.59    -39.18                                   
REMARK 500    PRO A 335      -71.41      6.25                                   
REMARK 500    TYR B  45      -51.30    -26.04                                   
REMARK 500    LEU B  72      160.91    -47.74                                   
REMARK 500    ASN B  76       76.04     22.14                                   
REMARK 500    SER B  87     -144.44   -106.48                                   
REMARK 500    VAL B 101     -156.40   -135.68                                   
REMARK 500    PHE B 107      136.99    167.52                                   
REMARK 500    GLN B 111        1.21   -174.74                                   
REMARK 500    TRP B 128      -63.78   -120.06                                   
REMARK 500    TYR B 136      -63.00    -29.62                                   
REMARK 500    CYS B 137       20.60    -70.76                                   
REMARK 500    PHE B 153      -32.95   -132.34                                   
REMARK 500    THR B 165      -68.46    -90.96                                   
REMARK 500    CYS B 179       47.40    -94.25                                   
REMARK 500    ASP B 229       39.09    -83.98                                   
REMARK 500    CYS B 241       85.31   -172.64                                   
REMARK 500    SER B 248      -71.64    -59.93                                   
REMARK 500    SER B 255      -72.49    -69.62                                   
REMARK 500    LYS B 259       13.04     82.74                                   
REMARK 500    LYS B 276       99.26    -62.68                                   
REMARK 500    PHE B 282      156.55    176.53                                   
REMARK 500    SER B 286      140.44   -171.78                                   
REMARK 500    LEU B 294      -71.51     79.45                                   
REMARK 500    PRO B 306      122.63    -37.67                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      52 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR A  95         0.08    SIDE CHAIN                              
REMARK 500    TYR B  68         0.08    SIDE CHAIN                              
REMARK 500    TYR B 188         0.08    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1BTJ A    1   337  UNP    P02787   TRFE_HUMAN      20    356             
DBREF  1BTJ B    1   337  UNP    P02787   TRFE_HUMAN      20    356             
SEQRES   1 A  337  VAL PRO ASP LYS THR VAL ARG TRP CYS ALA VAL SER GLU          
SEQRES   2 A  337  HIS GLU ALA THR LYS CYS GLN SER PHE ARG ASP HIS MET          
SEQRES   3 A  337  LYS SER VAL ILE PRO SER ASP GLY PRO SER VAL ALA CYS          
SEQRES   4 A  337  VAL LYS LYS ALA SER TYR LEU ASP CYS ILE ARG ALA ILE          
SEQRES   5 A  337  ALA ALA ASN GLU ALA ASP ALA VAL THR LEU ASP ALA GLY          
SEQRES   6 A  337  LEU VAL TYR ASP ALA TYR LEU ALA PRO ASN ASN LEU LYS          
SEQRES   7 A  337  PRO VAL VAL ALA GLU PHE TYR GLY SER LYS GLU ASP PRO          
SEQRES   8 A  337  GLN THR PHE TYR TYR ALA VAL ALA VAL VAL LYS LYS ASP          
SEQRES   9 A  337  SER GLY PHE GLN MET ASN GLN LEU ARG GLY LYS LYS SER          
SEQRES  10 A  337  CYS HIS THR GLY LEU GLY ARG SER ALA GLY TRP ASN ILE          
SEQRES  11 A  337  PRO ILE GLY LEU LEU TYR CYS ASP LEU PRO GLU PRO ARG          
SEQRES  12 A  337  LYS PRO LEU GLU LYS ALA VAL ALA ASN PHE PHE SER GLY          
SEQRES  13 A  337  SER CYS ALA PRO CYS ALA ASP GLY THR ASP PHE PRO GLN          
SEQRES  14 A  337  LEU CYS GLN LEU CYS PRO GLY CYS GLY CYS SER THR LEU          
SEQRES  15 A  337  ASN GLN TYR PHE GLY TYR SER GLY ALA PHE LYS CYS LEU          
SEQRES  16 A  337  LYS ASP GLY ALA GLY ASP VAL ALA PHE VAL LYS HIS SER          
SEQRES  17 A  337  THR ILE PHE GLU ASN LEU ALA ASN LYS ALA ASP ARG ASP          
SEQRES  18 A  337  GLN TYR GLU LEU LEU CYS LEU ASP ASN THR ARG LYS PRO          
SEQRES  19 A  337  VAL ASP GLU TYR LYS ASP CYS HIS LEU ALA GLN VAL PRO          
SEQRES  20 A  337  SER HIS THR VAL VAL ALA ARG SER MET GLY GLY LYS GLU          
SEQRES  21 A  337  ASP LEU ILE TRP GLU LEU LEU ASN GLN ALA GLN GLU HIS          
SEQRES  22 A  337  PHE GLY LYS ASP LYS SER LYS GLU PHE GLN LEU PHE SER          
SEQRES  23 A  337  SER PRO HIS GLY LYS ASP LEU LEU PHE LYS ASP SER ALA          
SEQRES  24 A  337  HIS GLY PHE LEU LYS VAL PRO PRO ARG MET ASP ALA LYS          
SEQRES  25 A  337  MET TYR LEU GLY TYR GLU TYR VAL THR ALA ILE ARG ASN          
SEQRES  26 A  337  LEU ARG GLU GLY THR CYS PRO GLU ALA PRO THR ASP              
SEQRES   1 B  337  VAL PRO ASP LYS THR VAL ARG TRP CYS ALA VAL SER GLU          
SEQRES   2 B  337  HIS GLU ALA THR LYS CYS GLN SER PHE ARG ASP HIS MET          
SEQRES   3 B  337  LYS SER VAL ILE PRO SER ASP GLY PRO SER VAL ALA CYS          
SEQRES   4 B  337  VAL LYS LYS ALA SER TYR LEU ASP CYS ILE ARG ALA ILE          
SEQRES   5 B  337  ALA ALA ASN GLU ALA ASP ALA VAL THR LEU ASP ALA GLY          
SEQRES   6 B  337  LEU VAL TYR ASP ALA TYR LEU ALA PRO ASN ASN LEU LYS          
SEQRES   7 B  337  PRO VAL VAL ALA GLU PHE TYR GLY SER LYS GLU ASP PRO          
SEQRES   8 B  337  GLN THR PHE TYR TYR ALA VAL ALA VAL VAL LYS LYS ASP          
SEQRES   9 B  337  SER GLY PHE GLN MET ASN GLN LEU ARG GLY LYS LYS SER          
SEQRES  10 B  337  CYS HIS THR GLY LEU GLY ARG SER ALA GLY TRP ASN ILE          
SEQRES  11 B  337  PRO ILE GLY LEU LEU TYR CYS ASP LEU PRO GLU PRO ARG          
SEQRES  12 B  337  LYS PRO LEU GLU LYS ALA VAL ALA ASN PHE PHE SER GLY          
SEQRES  13 B  337  SER CYS ALA PRO CYS ALA ASP GLY THR ASP PHE PRO GLN          
SEQRES  14 B  337  LEU CYS GLN LEU CYS PRO GLY CYS GLY CYS SER THR LEU          
SEQRES  15 B  337  ASN GLN TYR PHE GLY TYR SER GLY ALA PHE LYS CYS LEU          
SEQRES  16 B  337  LYS ASP GLY ALA GLY ASP VAL ALA PHE VAL LYS HIS SER          
SEQRES  17 B  337  THR ILE PHE GLU ASN LEU ALA ASN LYS ALA ASP ARG ASP          
SEQRES  18 B  337  GLN TYR GLU LEU LEU CYS LEU ASP ASN THR ARG LYS PRO          
SEQRES  19 B  337  VAL ASP GLU TYR LYS ASP CYS HIS LEU ALA GLN VAL PRO          
SEQRES  20 B  337  SER HIS THR VAL VAL ALA ARG SER MET GLY GLY LYS GLU          
SEQRES  21 B  337  ASP LEU ILE TRP GLU LEU LEU ASN GLN ALA GLN GLU HIS          
SEQRES  22 B  337  PHE GLY LYS ASP LYS SER LYS GLU PHE GLN LEU PHE SER          
SEQRES  23 B  337  SER PRO HIS GLY LYS ASP LEU LEU PHE LYS ASP SER ALA          
SEQRES  24 B  337  HIS GLY PHE LEU LYS VAL PRO PRO ARG MET ASP ALA LYS          
SEQRES  25 B  337  MET TYR LEU GLY TYR GLU TYR VAL THR ALA ILE ARG ASN          
SEQRES  26 B  337  LEU ARG GLU GLY THR CYS PRO GLU ALA PRO THR ASP              
HELIX    1   1 GLU A   13  VAL A   29  1                                  17    
HELIX    2   2 TYR A   45  ALA A   53  1                                   9    
HELIX    3   3 ALA A   64  TYR A   71  1                                   8    
HELIX    4   4 ASN A  129  ASP A  138  1                                  10    
HELIX    5   5 LEU A  146  ALA A  151  1                                   6    
HELIX    6   6 PRO A  168  CYS A  174  5                                   7    
HELIX    7   7 GLY A  187  LYS A  196  1                                  10    
HELIX    8   8 HIS A  207  ASN A  213  5                                   7    
HELIX    9   9 LYS A  217  GLN A  222  1                                   6    
HELIX   10  10 VAL A  235  ASP A  240  5                                   6    
HELIX   11  11 GLU A  260  PHE A  274  1                                  15    
HELIX   12  12 ALA A  311  LEU A  315  1                                   5    
HELIX   13  13 TYR A  317  GLU A  328  1                                  12    
HELIX   14  14 GLU B   13  VAL B   29  1                                  17    
HELIX   15  15 TYR B   45  ALA B   53  1                                   9    
HELIX   16  16 ALA B   64  TYR B   71  1                                   8    
HELIX   17  17 ASN B  129  ASP B  138  1                                  10    
HELIX   18  18 LEU B  146  ALA B  151  1                                   6    
HELIX   19  19 PRO B  168  CYS B  171  5                                   4    
HELIX   20  20 GLY B  187  LYS B  196  1                                  10    
HELIX   21  21 HIS B  207  ASN B  213  5                                   7    
HELIX   22  22 LYS B  217  GLN B  222  1                                   6    
HELIX   23  23 VAL B  235  ASP B  240  5                                   6    
HELIX   24  24 GLU B  260  PHE B  274  1                                  15    
HELIX   25  25 ALA B  311  LEU B  315  1                                   5    
HELIX   26  26 TYR B  317  GLU B  328  1                                  12    
SHEET    1   A 2 THR A   5  ALA A  10  0                                        
SHEET    2   A 2 SER A  36  LYS A  41  1  N  SER A  36   O  VAL A   6           
SHEET    1   B 4 VAL A  60  ASP A  63  0                                        
SHEET    2   B 4 HIS A 249  ARG A 254 -1  N  VAL A 252   O  VAL A  60           
SHEET    3   B 4 LEU A  77  PHE A  84 -1  N  GLU A  83   O  HIS A 249           
SHEET    4   B 4 GLY A 301  LYS A 304 -1  N  LEU A 303   O  ALA A  82           
SHEET    1   C 3 ALA A 244  PRO A 247  0                                        
SHEET    2   C 3 PHE A  94  VAL A 100 -1  N  ALA A  97   O  ALA A 244           
SHEET    3   C 3 ALA A 203  LYS A 206 -1  N  VAL A 205   O  VAL A  98           
SHEET    1   D 3 VAL A 100  LYS A 102  0                                        
SHEET    2   D 3 TYR A 223  CYS A 227 -1  N  GLU A 224   O  VAL A 101           
SHEET    3   D 3 THR A 231  PRO A 234 -1  N  LYS A 233   O  LEU A 225           
SHEET    1   E 2 THR B   5  ALA B  10  0                                        
SHEET    2   E 2 SER B  36  LYS B  41  1  N  SER B  36   O  VAL B   6           
SHEET    1   F 4 VAL B  60  ASP B  63  0                                        
SHEET    2   F 4 HIS B 249  ARG B 254 -1  N  VAL B 252   O  VAL B  60           
SHEET    3   F 4 LEU B  77  PHE B  84 -1  N  GLU B  83   O  HIS B 249           
SHEET    4   F 4 GLY B 301  LYS B 304 -1  N  LEU B 303   O  ALA B  82           
SHEET    1   G 3 ALA B 244  PRO B 247  0                                        
SHEET    2   G 3 PHE B  94  VAL B 100 -1  N  ALA B  97   O  ALA B 244           
SHEET    3   G 3 ALA B 203  LYS B 206 -1  N  VAL B 205   O  VAL B  98           
SHEET    1   H 3 VAL B 100  LYS B 102  0                                        
SHEET    2   H 3 TYR B 223  CYS B 227 -1  N  GLU B 224   O  VAL B 101           
SHEET    3   H 3 THR B 231  PRO B 234 -1  N  LYS B 233   O  LEU B 225           
SSBOND   1 CYS A    9    CYS A   48                          1555   1555  2.04  
SSBOND   2 CYS A   19    CYS A   39                          1555   1555  2.04  
SSBOND   3 CYS A  118    CYS A  194                          1555   1555  1.99  
SSBOND   4 CYS A  137    CYS A  331                          1555   1555  2.01  
SSBOND   5 CYS A  158    CYS A  174                          1555   1555  2.03  
SSBOND   6 CYS A  161    CYS A  179                          1555   1555  2.02  
SSBOND   7 CYS A  171    CYS A  177                          1555   1555  2.01  
SSBOND   8 CYS A  227    CYS A  241                          1555   1555  2.27  
SSBOND   9 CYS B    9    CYS B   48                          1555   1555  2.03  
SSBOND  10 CYS B   19    CYS B   39                          1555   1555  2.03  
SSBOND  11 CYS B  118    CYS B  194                          1555   1555  2.02  
SSBOND  12 CYS B  137    CYS B  331                          1555   1555  2.02  
SSBOND  13 CYS B  158    CYS B  174                          1555   1555  2.05  
SSBOND  14 CYS B  161    CYS B  179                          1555   1555  2.01  
SSBOND  15 CYS B  171    CYS B  177                          1555   1555  2.04  
SSBOND  16 CYS B  227    CYS B  241                          1555   1555  2.32  
CISPEP   1 ALA A   73    PRO A   74          0         0.64                     
CISPEP   2 GLU A  141    PRO A  142          0        -0.19                     
CISPEP   3 LYS A  144    PRO A  145          0        -0.19                     
CISPEP   4 ALA B   73    PRO B   74          0         0.64                     
CISPEP   5 GLU B  141    PRO B  142          0         0.03                     
CISPEP   6 LYS B  144    PRO B  145          0         0.03                     
CRYST1   63.000   77.300   72.600  90.00 104.30  90.00 P 1 21 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      0.015873  0.000000  0.004046        0.00000                         
SCALE2      0.000000  0.012937  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014214        0.00000