HEADER    METAL TRANSPORT                         03-OCT-02   1H44              
TITLE     R210L N-TERMINAL LOBE HUMAN LACTOFERRIN                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: LACTOFERRIN;                                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: N-TERMINAL LOBE, RESIDUES 20-353;                          
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: 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: CRICETULUS GRISEUS;                               
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 10029;                                      
SOURCE   7 EXPRESSION_SYSTEM_CELL_LINE: BHK;                                    
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: PNUT-LFN                                   
KEYWDS    METAL TRANSPORT, IRON TRANSPORT, METAL BINDING                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.A.PETERSON,V.L.ARCUS,B.F.ANDERSON,G.B.JAMESON,J.W.TWEEDIE,E.N.BAKER 
REVDAT   4   20-NOV-24 1H44    1       REMARK                                   
REVDAT   3   13-DEC-23 1H44    1       LINK                                     
REVDAT   2   24-FEB-09 1H44    1       VERSN                                    
REVDAT   1   28-NOV-02 1H44    0                                                
JRNL        AUTH   N.A.PETERSON,V.L.ARCUS,B.F.ANDERSON,J.W.TWEEDIE,G.B.JAMESON, 
JRNL        AUTH 2 E.N.BAKER                                                    
JRNL        TITL   "DILYSINE TRIGGER" IN TRANSFERRINS PROBED BY MUTAGENESIS OF  
JRNL        TITL 2 LACTOFERRIN: CRYSTAL STRUCTURES OF THE R210G, R210E, AND     
JRNL        TITL 3 R210L MUTANTS OF HUMAN LACTOFERRIN                           
JRNL        REF    BIOCHEMISTRY                  V.  41 14167 2002              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   12450380                                                     
JRNL        DOI    10.1021/BI020443A                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1                                                
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 31.23                          
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)   (%) : 90.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 22288                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.203                           
REMARK   3   FREE R VALUE                     : 0.241                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2186                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.13                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 82.30                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3034                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2650                       
REMARK   3   BIN FREE R VALUE                    : 0.2920                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.60                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 321                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.016                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2489                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 5                                       
REMARK   3   SOLVENT ATOMS            : 212                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 12.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 25.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 5.34000                                              
REMARK   3    B22 (A**2) : -2.57000                                             
REMARK   3    B33 (A**2) : -2.77000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 5.49000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.23                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.22                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.29                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.28                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.40                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.850                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.020 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.650 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.780 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.580 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.38                                                 
REMARK   3   BSOL        : 63.40                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1H44 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-OCT-02.                  
REMARK 100 THE DEPOSITION ID IS D_1290011467.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 113.0                              
REMARK 200  PH                             : 8.00                               
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                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU IMAGE PLATE                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23271                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.4                               
REMARK 200  DATA REDUNDANCY                : 2.800                              
REMARK 200  R MERGE                    (I) : 0.07700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 89.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.29400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.500                              
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: PDB ENTRY 1LCT                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.05                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.46                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: HEPES, NACL, PH 8.00                     
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       62.55400            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       28.53250            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       62.55400            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       28.53250            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 IRON BINDING TRANSPORT PROTEINS THAT CAN BIND TWO FERRIC IRONS       
REMARK 400  IN ASSOCIATION WITH THE BINDING OF AN ANION LIKE BICARBONATE.       
REMARK 400  BELONGS TO THE TRANSFERRIN FAMILY.                                  
REMARK 400                                                                      
REMARK 400  ENGINEERED MUTATION ARG 230 LEU CHAIN A                             
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     0                                                      
REMARK 465     ARG A     1                                                      
REMARK 465     ARG A     2                                                      
REMARK 465     ARG A     3                                                      
REMARK 465     ALA A   327                                                      
REMARK 465     ILE A   328                                                      
REMARK 465     GLN A   329                                                      
REMARK 465     ASN A   330                                                      
REMARK 465     LEU A   331                                                      
REMARK 465     ARG A   332                                                      
REMARK 465     LYS A   333                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ARG A   4    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A  73    CG   CD   CE   NZ                                   
REMARK 470     ARG A  86    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 241    CG   CD   CE   NZ                                   
REMARK 470     THR A 326    CA   C    O    CB   OG1  CG2                        
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   53   CD   NE   CZ   NH1  NH2                             
REMARK 480     GLU A   66   CD   OE1  OE2                                       
REMARK 480     GLU A   85   CG   CD   OE1  OE2                                  
REMARK 480     LYS A  100   CD   CE   NZ                                        
REMARK 480     GLN A  165   CD   OE1  NE2                                       
REMARK 480     ARG A  249   CZ   NH1  NH2                                       
REMARK 480     ARG A  313   NE   CZ   NH1  NH2                                  
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    CYS A 198   CA  -  CB  -  SG  ANGL. DEV. =   6.6 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   5      126.78     63.07                                   
REMARK 500    THR A 122      -73.82    -59.11                                   
REMARK 500    TRP A 125      -62.75   -144.30                                   
REMARK 500    ASN A 137       54.42   -112.27                                   
REMARK 500    PHE A 152      -61.32    -93.39                                   
REMARK 500    SER A 191     -168.41     69.91                                   
REMARK 500    ILE A 209     -157.77   -134.85                                   
REMARK 500    PRO A 232        3.01    -65.20                                   
REMARK 500    LYS A 282     -117.96    -95.36                                   
REMARK 500    ASP A 297       53.11     36.36                                   
REMARK 500    LEU A 299      -41.85     73.11                                   
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                              FE A1326  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  60   OD1                                                    
REMARK 620 2 TYR A  92   OH   90.3                                              
REMARK 620 3 TYR A 192   OH  172.1  96.9                                        
REMARK 620 4 HIS A 253   NE2  92.3  98.4  83.6                                  
REMARK 620 5 CO3 A1327   O1   92.2  94.3  90.4 166.5                            
REMARK 620 6 CO3 A1327   O2   87.3 152.6  87.8 109.0  58.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN               
REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW,          
REMARK 700 TWO SHEETS ARE DEFINED.                                              
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A1326                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO3 A1327                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1B0L   RELATED DB: PDB                                   
REMARK 900 RECOMBINANT HUMAN DIFERRIC LACTOFERRIN                               
REMARK 900 RELATED ID: 1BKA   RELATED DB: PDB                                   
REMARK 900 OXALATE-SUBSTITUTED DIFERRIC LACTOFERRIN                             
REMARK 900 RELATED ID: 1CB6   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF HUMAN APOLACTOFERRIN AT 2.0 A RESOLUTION.               
REMARK 900 RELATED ID: 1DSN   RELATED DB: PDB                                   
REMARK 900 D60S N-TERMINAL LOBE HUMAN LACTOFERRIN                               
REMARK 900 RELATED ID: 1EH3   RELATED DB: PDB                                   
REMARK 900 R210K N-TERMINAL LOBE HUMAN LACTOFERRIN                              
REMARK 900 RELATED ID: 1FCK   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF DICERIC HUMAN LACTOFERRIN                               
REMARK 900 RELATED ID: 1H43   RELATED DB: PDB                                   
REMARK 900 R210E N-TERMINAL LOBE HUMAN LACTOFERRIN                              
REMARK 900 RELATED ID: 1H45   RELATED DB: PDB                                   
REMARK 900 R210G N-TERMINAL LOBE HUMAN LACTOFERRIN                              
REMARK 900 RELATED ID: 1HSE   RELATED DB: PDB                                   
REMARK 900 H253M N TERMINAL LOBE OF HUMAN LACTOFERRIN                           
REMARK 900 RELATED ID: 1L5T   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF A DOMAIN-OPENED MUTANT (R121D) OF THEHUMAN      
REMARK 900 LACTOFERRIN N-LOBE REFINED FROM A MEROHEDRALLY-TWINNED CRYSTAL FORM. 
REMARK 900 RELATED ID: 1LCF   RELATED DB: PDB                                   
REMARK 900 LACTOFERRIN (COPPER AND OXALATE FORM)                                
REMARK 900 RELATED ID: 1LCT   RELATED DB: PDB                                   
REMARK 900 LACTOFERRIN (N-TERMINAL HALF-MOLECULE)                               
REMARK 900 RELATED ID: 1LFG   RELATED DB: PDB                                   
REMARK 900 LACTOFERRIN (DIFERRIC)                                               
REMARK 900 RELATED ID: 1LFH   RELATED DB: PDB                                   
REMARK 900 LACTOFERRIN (APO FORM)                                               
REMARK 900 RELATED ID: 1LFI   RELATED DB: PDB                                   
REMARK 900 LACTOFERRIN (COPPER FORM)                                            
REMARK 900 RELATED ID: 1LGB   RELATED DB: PDB                                   
REMARK 900 LEGUME ISOLECTIN II (LOL II) COMPLEXED WITH LACTOTRANSFERRIN (N2     
REMARK 900 FRAGMENT)                                                            
REMARK 900 RELATED ID: 1VFD   RELATED DB: PDB                                   
REMARK 900 HUMAN LACTOFERRIN, N-TERMINAL LOBE MUTANT WITH ARG 121 REPLACED BY   
REMARK 900 GLU (R121E)                                                          
REMARK 900 RELATED ID: 1VFE   RELATED DB: PDB                                   
REMARK 900 HUMAN LACTOFERRIN, N-TERMINAL LOBE MUTANT WITH ARG 121 REPLACED BY   
REMARK 900 SER (R121S)                                                          
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 IN RELATED PDB ID 1H43, THERE IS A SEQUENCE                          
REMARK 999  MISMATCH AT RESIDUE 28,                                             
REMARK 999  THE SEQUENCE THAT WAS USED IN THIS WORK IS FROM                     
REMARK 999  THE SEQUENCING OF A CDNA FOR HUMAN LACTOFERRIN                      
REMARK 999  AND IS THAT GIVEN IN THE FOLLOWING PAPER:                           
REMARK 999  ANDERSON BF, BAKER HM, NORRIS GE, RICE DW AND                       
REMARK 999  BAKER EN.  STRUCTURE OF HUMAN LACTOFERRIN:                          
REMARK 999  CRYSTALLOGRAPHIC ANALYSIS AND REFINEMENT AT                         
REMARK 999  2.8 A RESOLUTION.  J.MOL.BIOL.  1989.  209                          
REMARK 999  711-734.                                                            
DBREF  1H44 A    0   333  UNP    P02788   TRFL_HUMAN      20    353             
SEQADV 1H44 LEU A  210  UNP  P02788    ARG   230 ENGINEERED MUTATION            
SEQRES   1 A  334  GLY ARG ARG ARG ARG SER VAL GLN TRP CYS ALA VAL SER          
SEQRES   2 A  334  GLN PRO GLU ALA THR LYS CYS PHE GLN TRP GLN ARG ASN          
SEQRES   3 A  334  MET ARG LYS VAL ARG GLY PRO PRO VAL SER CYS ILE LYS          
SEQRES   4 A  334  ARG ASP SER PRO ILE GLN CYS ILE GLN ALA ILE ALA GLU          
SEQRES   5 A  334  ASN ARG ALA ASP ALA VAL THR LEU ASP GLY GLY PHE ILE          
SEQRES   6 A  334  TYR GLU ALA GLY LEU ALA PRO TYR LYS LEU ARG PRO VAL          
SEQRES   7 A  334  ALA ALA GLU VAL TYR GLY THR GLU ARG GLN PRO ARG THR          
SEQRES   8 A  334  HIS TYR TYR ALA VAL ALA VAL VAL LYS LYS GLY GLY SER          
SEQRES   9 A  334  PHE GLN LEU ASN GLU LEU GLN GLY LEU LYS SER CYS HIS          
SEQRES  10 A  334  THR GLY LEU ARG ARG THR ALA GLY TRP ASN VAL PRO ILE          
SEQRES  11 A  334  GLY THR LEU ARG PRO PHE LEU ASN TRP THR GLY PRO PRO          
SEQRES  12 A  334  GLU PRO ILE GLU ALA ALA VAL ALA ARG PHE PHE SER ALA          
SEQRES  13 A  334  SER CYS VAL PRO GLY ALA ASP LYS GLY GLN PHE PRO ASN          
SEQRES  14 A  334  LEU CYS ARG LEU CYS ALA GLY THR GLY GLU ASN LYS CYS          
SEQRES  15 A  334  ALA PHE SER SER GLN GLU PRO TYR PHE SER TYR SER GLY          
SEQRES  16 A  334  ALA PHE LYS CYS LEU ARG ASP GLY ALA GLY ASP VAL ALA          
SEQRES  17 A  334  PHE ILE LEU GLU SER THR VAL PHE GLU ASP LEU SER ASP          
SEQRES  18 A  334  GLU ALA GLU ARG ASP GLU TYR GLU LEU LEU CYS PRO ASP          
SEQRES  19 A  334  ASN THR ARG LYS PRO VAL ASP LYS PHE LYS ASP CYS HIS          
SEQRES  20 A  334  LEU ALA ARG VAL PRO SER HIS ALA VAL VAL ALA ARG SER          
SEQRES  21 A  334  VAL ASN GLY LYS GLU ASP ALA ILE TRP ASN LEU LEU ARG          
SEQRES  22 A  334  GLN ALA GLN GLU LYS PHE GLY LYS ASP LYS SER PRO LYS          
SEQRES  23 A  334  PHE GLN LEU PHE GLY SER PRO SER GLY GLN LYS ASP LEU          
SEQRES  24 A  334  LEU PHE LYS ASP SER ALA ILE GLY PHE SER ARG VAL PRO          
SEQRES  25 A  334  PRO ARG ILE ASP SER GLY LEU TYR LEU GLY SER GLY TYR          
SEQRES  26 A  334  PHE THR ALA ILE GLN ASN LEU ARG LYS                          
HET     FE  A1326       1                                                       
HET    CO3  A1327       4                                                       
HETNAM      FE FE (III) ION                                                     
HETNAM     CO3 CARBONATE ION                                                    
FORMUL   2   FE    FE 3+                                                        
FORMUL   3  CO3    C O3 2-                                                      
FORMUL   4  HOH   *212(H2 O)                                                    
HELIX    1   1 SER A   12  VAL A   29  1                                  18    
HELIX    2   2 SER A   41  GLU A   51  1                                  11    
HELIX    3   3 ASP A   60  GLY A   68  1                                   9    
HELIX    4   4 GLN A  105  LEU A  109  5                                   5    
HELIX    5   5 TRP A  125  LEU A  132  1                                   8    
HELIX    6   6 ARG A  133  LEU A  136  5                                   4    
HELIX    7   7 PRO A  144  ARG A  151  1                                   8    
HELIX    8   8 PHE A  166  CYS A  170  5                                   5    
HELIX    9   9 THR A  176  LYS A  180  5                                   5    
HELIX   10  10 PHE A  190  ASP A  201  1                                  12    
HELIX   11  11 SER A  212  LEU A  218  1                                   7    
HELIX   12  12 ASP A  220  ASP A  225  5                                   6    
HELIX   13  13 ASP A  240  CYS A  245  5                                   6    
HELIX   14  14 LYS A  263  GLY A  279  1                                  17    
HELIX   15  15 ASP A  315  GLY A  321  1                                   7    
SHEET    1  AA 2 VAL A   6  ALA A  10  0                                        
SHEET    2  AA 2 VAL A  34  LYS A  38  1  O  SER A  35   N  TRP A   8           
SHEET    1  AB 4 VAL A  57  LEU A  59  0                                        
SHEET    2  AB 4 ALA A 254  ARG A 258 -1  O  ALA A 254   N  LEU A  59           
SHEET    3  AB 4 LEU A  74  GLY A  83 -1  O  ARG A  75   N  ALA A 257           
SHEET    4  AB 4 GLY A 306  ARG A 309 -1  O  GLY A 306   N  VAL A  81           
SHEET    1  AC 4 VAL A  57  LEU A  59  0                                        
SHEET    2  AC 4 ALA A 254  ARG A 258 -1  O  ALA A 254   N  LEU A  59           
SHEET    3  AC 4 LEU A  74  GLY A  83 -1  O  ARG A  75   N  ALA A 257           
SHEET    4  AC 4 PRO A  88  ARG A  89 -1  O  ARG A  89   N  TYR A  82           
SHEET    1  AD 5 ALA A 155  CYS A 157  0                                        
SHEET    2  AD 5 LYS A 113  HIS A 116  1  O  SER A 114   N  CYS A 157           
SHEET    3  AD 5 VAL A 206  LEU A 210  1  O  VAL A 206   N  CYS A 115           
SHEET    4  AD 5 HIS A  91  LYS A  99 -1  O  VAL A  95   N  ILE A 209           
SHEET    5  AD 5 ALA A 248  PRO A 251 -1  O  ALA A 248   N  ALA A  94           
SHEET    1  AE 6 ALA A 155  CYS A 157  0                                        
SHEET    2  AE 6 LYS A 113  HIS A 116  1  O  SER A 114   N  CYS A 157           
SHEET    3  AE 6 VAL A 206  LEU A 210  1  O  VAL A 206   N  CYS A 115           
SHEET    4  AE 6 HIS A  91  LYS A  99 -1  O  VAL A  95   N  ILE A 209           
SHEET    5  AE 6 TYR A 227  LEU A 230 -1  O  GLU A 228   N  VAL A  98           
SHEET    6  AE 6 ARG A 236  PRO A 238 -1  O  LYS A 237   N  LEU A 229           
SSBOND   1 CYS A    9    CYS A   45                          1555   1555  2.03  
SSBOND   2 CYS A   19    CYS A   36                          1555   1555  2.04  
SSBOND   3 CYS A  115    CYS A  198                          1555   1555  2.03  
SSBOND   4 CYS A  157    CYS A  173                          1555   1555  2.04  
SSBOND   5 CYS A  170    CYS A  181                          1555   1555  2.03  
SSBOND   6 CYS A  231    CYS A  245                          1555   1555  2.03  
LINK         OD1 ASP A  60                FE    FE A1326     1555   1555  2.13  
LINK         OH  TYR A  92                FE    FE A1326     1555   1555  2.26  
LINK         OH  TYR A 192                FE    FE A1326     1555   1555  2.04  
LINK         NE2 HIS A 253                FE    FE A1326     1555   1555  2.24  
LINK        FE    FE A1326                 O1  CO3 A1327     1555   1555  2.23  
LINK        FE    FE A1326                 O2  CO3 A1327     1555   1555  2.31  
CISPEP   1 ALA A   70    PRO A   71          0         0.35                     
CISPEP   2 PRO A  141    PRO A  142          0         0.34                     
SITE     1 AC1  5 ASP A  60  TYR A  92  TYR A 192  HIS A 253                    
SITE     2 AC1  5 CO3 A1327                                                     
SITE     1 AC2  9 ASP A  60  TYR A  92  THR A 117  ARG A 121                    
SITE     2 AC2  9 THR A 122  ALA A 123  GLY A 124  TYR A 192                    
SITE     3 AC2  9  FE A1326                                                     
CRYST1  125.108   57.065   57.559  90.00 117.19  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      0.007993  0.000000  0.004106        0.00000                         
SCALE2      0.000000  0.017524  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019532        0.00000