HEADER    TRANSPORT PROTEIN                       13-APR-05   1ZCR              
TITLE     CRYSTAL STRUCTURE OF HUMAN TRANSTHYRETIN WITH BOUND IODIDE            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRANSTHYRETIN;                                             
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: PREALBUMIN, TBPA, TTR, ATTR;                                
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: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET3A                                     
KEYWDS    BETA BARREL, IG-LIKE FOLD, TRANSPORT PROTEIN                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.HORNBERG,U.W.HULTDIN,A.OLOFSSON,A.E.SAUER-ERIKSSON                  
REVDAT   4   13-MAR-24 1ZCR    1       REMARK SEQADV                            
REVDAT   3   13-JUL-11 1ZCR    1       VERSN                                    
REVDAT   2   24-FEB-09 1ZCR    1       VERSN                                    
REVDAT   1   12-JUL-05 1ZCR    0                                                
JRNL        AUTH   A.HORNBERG,U.W.HULTDIN,A.OLOFSSON,A.E.SAUER-ERIKSSON         
JRNL        TITL   THE EFFECT OF IODIDE AND CHLORIDE ON TRANSTHYRETIN STRUCTURE 
JRNL        TITL 2 AND STABILITY                                                
JRNL        REF    BIOCHEMISTRY                  V.  44  9290 2005              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   15981995                                                     
JRNL        DOI    10.1021/BI050249Z                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.0                                           
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 21705                          
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 + TEST SET) : 0.204                           
REMARK   3   R VALUE            (WORKING SET) : 0.203                           
REMARK   3   FREE R VALUE                     : 0.238                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1177                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1466                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2460                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 73                           
REMARK   3   BIN FREE R VALUE                    : 0.2630                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1778                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 6                                       
REMARK   3   SOLVENT ATOMS            : 136                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 11.24                          
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.139         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.131         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.115         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.583         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.943                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.926                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1850 ; 0.006 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  1628 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2540 ; 1.090 ; 1.933       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  3793 ; 0.706 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   240 ; 3.654 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   303 ;16.760 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   287 ; 0.066 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2084 ; 0.003 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   380 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   264 ; 0.205 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  1384 ; 0.204 ; 0.300       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   156 ; 0.113 ; 0.500       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    13 ; 0.149 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):    37 ; 0.220 ; 0.300       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    15 ; 0.158 ; 0.500       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1165 ; 0.563 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1904 ; 1.095 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   685 ; 1.540 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   636 ; 2.710 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    10        A   124                          
REMARK   3    ORIGIN FOR THE GROUP (A):  22.3712  13.1809  25.9935              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0977 T22:   0.0199                                     
REMARK   3      T33:   0.0605 T12:   0.0088                                     
REMARK   3      T13:  -0.0113 T23:  -0.0144                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.9856 L22:   0.6984                                     
REMARK   3      L33:   0.4954 L12:  -0.5102                                     
REMARK   3      L13:  -0.3100 L23:   0.2708                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0156 S12:  -0.0448 S13:   0.0698                       
REMARK   3      S21:   0.0007 S22:  -0.0258 S23:   0.0004                       
REMARK   3      S31:   0.0095 S32:   0.0289 S33:   0.0414                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B    10        B   124                          
REMARK   3    ORIGIN FOR THE GROUP (A):  19.6171  12.7681   6.2934              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1373 T22:   0.0122                                     
REMARK   3      T33:   0.0445 T12:   0.0293                                     
REMARK   3      T13:  -0.0148 T23:   0.0128                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.6883 L22:   0.7871                                     
REMARK   3      L33:   0.6555 L12:   0.4857                                     
REMARK   3      L13:  -0.4183 L23:  -0.2470                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0091 S12:   0.0130 S13:   0.0404                       
REMARK   3      S21:  -0.0981 S22:  -0.0487 S23:   0.0296                       
REMARK   3      S31:  -0.0212 S32:   0.0099 S33:   0.0396                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1ZCR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-APR-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000032576.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-MAR-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : ENRAF-NONIUS                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FILTER, PT MIRRORS              
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MACSCIENCE                         
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22882                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.05700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.86                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.24                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULPHATE, 0.4M NAI, SODIUM      
REMARK 280  CITRATE, PEG 200, PH 5.0, VAPOR DIFFUSION, HANGING DROP,            
REMARK 280  TEMPERATURE 291K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -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       21.69000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       43.13000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       21.69000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       43.13000            
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 8610 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18960 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -47.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 350   BIOMT1   2 -1.000000  0.000000  0.000000       43.38000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  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     MET A    -1                                                      
REMARK 465     GLY A     1                                                      
REMARK 465     PRO A     2                                                      
REMARK 465     THR A     3                                                      
REMARK 465     GLY A     4                                                      
REMARK 465     THR A     5                                                      
REMARK 465     GLY A     6                                                      
REMARK 465     GLU A     7                                                      
REMARK 465     SER A     8                                                      
REMARK 465     LYS A     9                                                      
REMARK 465     PRO A   125                                                      
REMARK 465     LYS A   126                                                      
REMARK 465     GLU A   127                                                      
REMARK 465     MET B    -1                                                      
REMARK 465     GLY B     1                                                      
REMARK 465     PRO B     2                                                      
REMARK 465     THR B     3                                                      
REMARK 465     GLY B     4                                                      
REMARK 465     THR B     5                                                      
REMARK 465     GLY B     6                                                      
REMARK 465     GLU B     7                                                      
REMARK 465     SER B     8                                                      
REMARK 465     LYS B     9                                                      
REMARK 465     PRO B   125                                                      
REMARK 465     LYS B   126                                                      
REMARK 465     GLU B   127                                                      
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    ASP B  39       -1.94     75.61                                   
REMARK 500    SER B 100      -76.04    -55.77                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD B 203                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD B 204                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD B 205                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 206                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1F41   RELATED DB: PDB                                   
REMARK 900 HUMAN WILD-TYPE TRANSTHYRETIN                                        
REMARK 900 RELATED ID: 1ZD6   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN COMPLEXED WITH CHLORIDE ION                         
DBREF  1ZCR A    1   127  UNP    P02766   TTHY_HUMAN      21    147             
DBREF  1ZCR B    1   127  UNP    P02766   TTHY_HUMAN      21    147             
SEQADV 1ZCR MET A   -1  UNP  P02766              INITIATING METHIONINE          
SEQADV 1ZCR MET B   -1  UNP  P02766              INITIATING METHIONINE          
SEQRES   1 A  128  MET GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU          
SEQRES   2 A  128  MET VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA          
SEQRES   3 A  128  ILE ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP          
SEQRES   4 A  128  ASP THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU          
SEQRES   5 A  128  SER GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE          
SEQRES   6 A  128  VAL GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER          
SEQRES   7 A  128  TYR TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS          
SEQRES   8 A  128  ALA GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG          
SEQRES   9 A  128  ARG TYR THR ILE ALA ALA LEU LEU SER PRO TYR SER TYR          
SEQRES  10 A  128  SER THR THR ALA VAL VAL THR ASN PRO LYS GLU                  
SEQRES   1 B  128  MET GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU          
SEQRES   2 B  128  MET VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA          
SEQRES   3 B  128  ILE ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP          
SEQRES   4 B  128  ASP THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU          
SEQRES   5 B  128  SER GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE          
SEQRES   6 B  128  VAL GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER          
SEQRES   7 B  128  TYR TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS          
SEQRES   8 B  128  ALA GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG          
SEQRES   9 B  128  ARG TYR THR ILE ALA ALA LEU LEU SER PRO TYR SER TYR          
SEQRES  10 B  128  SER THR THR ALA VAL VAL THR ASN PRO LYS GLU                  
HET    IOD  A 201       1                                                       
HET    IOD  A 202       1                                                       
HET    IOD  A 206       1                                                       
HET    IOD  B 203       1                                                       
HET    IOD  B 204       1                                                       
HET    IOD  B 205       1                                                       
HETNAM     IOD IODIDE ION                                                       
FORMUL   3  IOD    6(I 1-)                                                      
FORMUL   9  HOH   *136(H2 O)                                                    
HELIX    1   1 ASP A   74  LEU A   82  1                                   9    
HELIX    2   2 ASP B   74  LEU B   82  1                                   9    
SHEET    1   A 8 SER A  23  PRO A  24  0                                        
SHEET    2   A 8 LEU A  12  ASP A  18 -1  N  ASP A  18   O  SER A  23           
SHEET    3   A 8 ARG A 104  SER A 112  1  O  ILE A 107   N  MET A  13           
SHEET    4   A 8 SER A 115  THR A 123 -1  O  THR A 119   N  ALA A 108           
SHEET    5   A 8 SER B 115  THR B 123 -1  O  THR B 118   N  TYR A 116           
SHEET    6   A 8 ARG B 104  SER B 112 -1  N  ALA B 108   O  THR B 119           
SHEET    7   A 8 LEU B  12  ASP B  18  1  N  MET B  13   O  ILE B 107           
SHEET    8   A 8 SER B  23  PRO B  24 -1  O  SER B  23   N  ASP B  18           
SHEET    1   B 8 GLU A  54  LEU A  55  0                                        
SHEET    2   B 8 LEU A  12  ASP A  18 -1  N  VAL A  14   O  LEU A  55           
SHEET    3   B 8 ARG A 104  SER A 112  1  O  ILE A 107   N  MET A  13           
SHEET    4   B 8 SER A 115  THR A 123 -1  O  THR A 119   N  ALA A 108           
SHEET    5   B 8 SER B 115  THR B 123 -1  O  THR B 118   N  TYR A 116           
SHEET    6   B 8 ARG B 104  SER B 112 -1  N  ALA B 108   O  THR B 119           
SHEET    7   B 8 LEU B  12  ASP B  18  1  N  MET B  13   O  ILE B 107           
SHEET    8   B 8 GLU B  54  LEU B  55 -1  O  LEU B  55   N  VAL B  14           
SHEET    1   C 8 TRP A  41  LYS A  48  0                                        
SHEET    2   C 8 ALA A  29  LYS A  35 -1  N  VAL A  32   O  ALA A  45           
SHEET    3   C 8 GLY A  67  ILE A  73 -1  O  GLU A  72   N  HIS A  31           
SHEET    4   C 8 HIS A  88  ALA A  97 -1  O  ALA A  91   N  ILE A  73           
SHEET    5   C 8 HIS B  88  ALA B  97 -1  O  GLU B  89   N  VAL A  94           
SHEET    6   C 8 GLY B  67  ILE B  73 -1  N  ILE B  73   O  ALA B  91           
SHEET    7   C 8 ALA B  29  LYS B  35 -1  N  HIS B  31   O  GLU B  72           
SHEET    8   C 8 TRP B  41  LYS B  48 -1  O  ALA B  45   N  VAL B  32           
SITE     1 AC1  2 SER A 117  THR A 119                                          
SITE     1 AC2  1 LYS A  15                                                     
SITE     1 AC3  2 LYS A  35  HIS B  90                                          
SITE     1 AC4  2 SER B 117  THR B 119                                          
SITE     1 AC5  1 LYS B  15                                                     
SITE     1 AC6  2 HIS A  90  LYS B  35                                          
CRYST1   43.380   86.260   64.440  90.00  90.00  90.00 P 21 21 2     8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.023052  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011593  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015518        0.00000