HEADER    LECTIN                                  06-NOV-97   1TN3              
TITLE     THE C-TYPE LECTIN CARBOHYDRATE RECOGNITION DOMAIN OF HUMAN TETRANECTIN
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TETRANECTIN;                                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 45 - 181;                                         
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_STRAIN: DH;                                        
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PT7H6                                     
KEYWDS    TETRANECTIN, PLASMINOGEN BINDING, KRINGLE 4, C-TYPE LECTIN,           
KEYWDS   2 CARBOHYDRATE RECOGNITION DOMAIN, LECTIN                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.S.KASTRUP,B.B.NIELSEN,H.RASMUSSEN,T.L.HOLTET,J.H.GRAVERSEN,         
AUTHOR   2 M.ETZERODT,H.C.THOEGERSEN,I.K.LARSEN                                 
REVDAT   5   06-NOV-24 1TN3    1       REMARK                                   
REVDAT   4   09-AUG-23 1TN3    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1TN3    1       VERSN                                    
REVDAT   2   01-APR-03 1TN3    1       JRNL                                     
REVDAT   1   06-MAY-98 1TN3    0                                                
JRNL        AUTH   J.S.KASTRUP,B.B.NIELSEN,H.RASMUSSEN,T.L.HOLTET,              
JRNL        AUTH 2 J.H.GRAVERSEN,M.ETZERODT,H.C.THOGERSEN,I.K.LARSEN            
JRNL        TITL   STRUCTURE OF THE C-TYPE LECTIN CARBOHYDRATE RECOGNITION      
JRNL        TITL 2 DOMAIN OF HUMAN TETRANECTIN.                                 
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  54   757 1998              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   9757090                                                      
JRNL        DOI    10.1107/S0907444997016806                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   J.S.KASTRUP,H.RASMUSSEN,B.B.NIELSEN,I.K.LARSEN,T.L.HOLTET,   
REMARK   1  AUTH 2 J.H.GRAVERSEN,M.ETZERODT,H.C.THOGERSEN                       
REMARK   1  TITL   HUMAN PLASMINOGEN BINDING PROTEIN TETRANECTIN:               
REMARK   1  TITL 2 CRYSTALLIZATION AND PRELIMINARY X-RAY ANALYSIS OF THE C-TYPE 
REMARK   1  TITL 3 LECTIN CRD AND THE FULL-LENGTH PROTEIN                       
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  53   108 1997              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   B.B.NIELSEN,J.S.KASTRUP,H.RASMUSSEN,T.L.HOLTET,              
REMARK   1  AUTH 2 J.H.GRAVERSEN,M.ETZERODT,H.C.THOGERSEN,I.K.LARSEN            
REMARK   1  TITL   CRYSTAL STRUCTURE OF TETRANECTIN, A TRIMERIC                 
REMARK   1  TITL 2 PLASMINOGEN-BINDING PROTEIN WITH AN ALPHA-HELICAL COILED     
REMARK   1  TITL 3 COIL                                                         
REMARK   1  REF    FEBS LETT.                    V. 412   388 1997              
REMARK   1  REFN                   ISSN 0014-5793                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   T.L.HOLTET,J.H.GRAVERSEN,I.CLEMMENSEN,H.C.THOGERSEN,         
REMARK   1  AUTH 2 M.ETZERODT                                                   
REMARK   1  TITL   TETRANECTIN, A TRIMERIC PLASMINOGEN-BINDING C-TYPE LECTIN    
REMARK   1  REF    PROTEIN SCI.                  V.   6  1511 1997              
REMARK   1  REFN                   ISSN 0961-8368                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   L.BERGLUND,T.E.PETERSEN                                      
REMARK   1  TITL   THE GENE STRUCTURE OF TETRANECTIN, A PLASMINOGEN BINDING     
REMARK   1  TITL 2 PROTEIN                                                      
REMARK   1  REF    FEBS LETT.                    V. 309    15 1992              
REMARK   1  REFN                   ISSN 0014-5793                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT 5E                                               
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 11061                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : A POSTERIORI                    
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.218                           
REMARK   3   R VALUE            (WORKING SET) : 0.215                           
REMARK   3   FREE R VALUE                     : 0.260                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 529                             
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.2180                 
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.2150                 
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.267                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.00                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 529                    
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 11061                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1055                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 10                                      
REMARK   3   SOLVENT ATOMS            : 63                                      
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : 23.000                          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.016 ; 0.800 ; 1105            
REMARK   3   BOND ANGLES            (DEGREES) : 2.600 ; 1.400 ; 1502            
REMARK   3   TORSION ANGLES         (DEGREES) : 17.700; 1.000 ; 660             
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : 0.017 ; 1.500 ; 31              
REMARK   3   GENERAL PLANES               (A) : 0.016 ; 4.000 ; 158             
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : 2.000 ; 10.000; 1095            
REMARK   3   NON-BONDED CONTACTS          (A) : 0.026 ; 10.000; 28              
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : MOEWS AND KRETSINGER (J.MOL.BIOL. (1995) 91, 201     
REMARK   3                 -228)                                                
REMARK   3   KSOL        : 0.87                                                 
REMARK   3   BSOL        : 292.0                                                
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : TNT PROTGEO                                      
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : TNT BCORREL 1.0              
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE STRUCTURE WAS INITIALLY REFINED TO    
REMARK   3  AN R-VALUE OF 34.7 % USING X-PLOR.                                  
REMARK   4                                                                      
REMARK   4 1TN3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000176743.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : MAY-95                             
REMARK 200  TEMPERATURE           (KELVIN) : 277                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.927                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, CCP4                        
REMARK 200  DATA SCALING SOFTWARE          : CCP4                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 10723                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 15.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.2                               
REMARK 200  DATA REDUNDANCY                : 4.700                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.4000                            
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) : 2.05                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.00                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.22100                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 2MSB, ONE MONOMER                          
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: THE PROTEIN WAS CRYSTALLIZED BY THE      
REMARK 280  HANGING DROP METHOD BY MIXING 4 MICROLITER OF A SOLUTION            
REMARK 280  CONTAINING 5 MG/ML PROTEIN, 0.02 M CACL2, 0.05 M NACL, 0.10 M       
REMARK 280  TRIS-HCL, PH 8.0, WITH 3 MICROLITER RESERVOIR SOLUTION              
REMARK 280  CONTAINING 2.1 M AMMONIUM SULFATE, 5 % ETHANOL., VAPOR DIFFUSION    
REMARK 280  - HANGING DROP, VAPOR DIFFUSION, HANGING DROP                       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 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   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/2                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/2                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-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  0.000000 -1.000000  0.000000       32.12500            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       32.12500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       37.90000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       32.12500            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       32.12500            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       37.90000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       32.12500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       32.12500            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       37.90000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       32.12500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       32.12500            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       37.90000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE CARBOHYDRATE RECOGNITION DOMAIN OF TETRANECTIN FORMS A   
REMARK 300 DIMER IN CRYSTALS, WHEREAS FULL-LENGTH TETRANECTIN IS A              
REMARK 300 HOMOTRIMER IN CRYSTALS AS WELL AS IN SOLUTION.  TWO                  
REMARK 300 DIFFERENT SIDE CHAIN CONFORMATIONS HAVE BEEN IDENTIFIED FOR          
REMARK 300 THR 48, VAL 49, AND MET 58.  IN ADDITION, THE AMIDE                  
REMARK 300 MOIETIES LINKING THR 138 AND GLU 139 AND THR 141 AND                 
REMARK 300 ALA 142, RESPECTIVELY, ARE OBSERVED IN TWO DISTINCT                  
REMARK 300 CONFORMATIONS.  THE SIDE CHAINS OF NINE RESIDUES (GLN 66,            
REMARK 300 ARG 101, GLU 107, ARG 130, LYS 134, GLU 139, ARG 169,                
REMARK 300 ILE 180, VAL 181) ARE LESS WELL-DEFINED.                             
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 194  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 216  LIES ON A SPECIAL POSITION.                          
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     LYS A  55    CG   CD   CE   NZ                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A  72   CD    GLU A  72   OE2     0.067                       
REMARK 500    GLU A 107   CD    GLU A 107   OE2     0.070                       
REMARK 500    GLU A 137   CD    GLU A 137   OE2     0.071                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ASP A  76   CB  -  CG  -  OD1 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500    ASP A  76   CB  -  CG  -  OD2 ANGL. DEV. =   6.5 DEGREES          
REMARK 500    ARG A  80   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    ARG A 101   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500    THR A 141   N   -  CA  -  C   ANGL. DEV. = -17.6 DEGREES          
REMARK 500    ALA A 142   N   -  CA  -  CB  ANGL. DEV. =  11.4 DEGREES          
REMARK 500    ASP A 165   CB  -  CG  -  OD2 ANGL. DEV. =  -6.2 DEGREES          
REMARK 500    ARG A 167   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500    ARG A 169   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 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    LYS A  55      -62.88    -92.67                                   
REMARK 500    GLU A 120      131.87    -38.42                                   
REMARK 500    ASN A 135       39.72   -155.67                                   
REMARK 500    GLU A 139       26.54    -55.14                                   
REMARK 500    GLU A 139       30.23    -70.03                                   
REMARK 500    ILE A 140      -69.20   -168.51                                   
REMARK 500    ASP A 145       10.32   -141.95                                   
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                              CA A 182  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 116   OD2                                                    
REMARK 620 2 ASP A 116   OD1  49.0                                              
REMARK 620 3 GLU A 120   OE1  68.1 112.1                                        
REMARK 620 4 GLU A 120   OE2  81.5  92.2  51.7                                  
REMARK 620 5 GLY A 147   O   145.5 162.2  78.0  82.8                            
REMARK 620 6 GLU A 150   O   135.5  96.9 150.7 134.5  75.2                      
REMARK 620 7 ASN A 151   OD1 117.5  79.8 115.4  65.1  82.5  72.9                
REMARK 620 8 HOH A 189   O    88.2 110.5  87.5 138.9  83.8  77.9 150.0          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 183  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLN A 143   OE1                                                    
REMARK 620 2 ASP A 145   OD1  88.0                                              
REMARK 620 3 GLU A 150   OE1 145.2  95.1                                        
REMARK 620 4 ASP A 165   OD1  66.7  88.2  78.8                                  
REMARK 620 5 ASP A 165   O    99.4 161.8  69.3  79.6                            
REMARK 620 6 HOH A 201   O   104.9 119.4 103.6 151.5  74.9                      
REMARK 620 7 HOH A 223   O   126.3  42.7  73.6 118.5 134.1  88.9                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: CA1                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: CALCIUM BINDING SITE 1.                            
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CA2                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: CALCIUM BINDING SITE 2.                            
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 182                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 183                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 300                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 301                 
DBREF  1TN3 A   45   181  UNP    P05452   TETN_HUMAN      66    202             
SEQRES   1 A  137  ALA LEU GLN THR VAL CYS LEU LYS GLY THR LYS VAL HIS          
SEQRES   2 A  137  MET LYS CYS PHE LEU ALA PHE THR GLN THR LYS THR PHE          
SEQRES   3 A  137  HIS GLU ALA SER GLU ASP CYS ILE SER ARG GLY GLY THR          
SEQRES   4 A  137  LEU SER THR PRO GLN THR GLY SER GLU ASN ASP ALA LEU          
SEQRES   5 A  137  TYR GLU TYR LEU ARG GLN SER VAL GLY ASN GLU ALA GLU          
SEQRES   6 A  137  ILE TRP LEU GLY LEU ASN ASP MET ALA ALA GLU GLY THR          
SEQRES   7 A  137  TRP VAL ASP MET THR GLY ALA ARG ILE ALA TYR LYS ASN          
SEQRES   8 A  137  TRP GLU THR GLU ILE THR ALA GLN PRO ASP GLY GLY LYS          
SEQRES   9 A  137  THR GLU ASN CYS ALA VAL LEU SER GLY ALA ALA ASN GLY          
SEQRES  10 A  137  LYS TRP PHE ASP LYS ARG CYS ARG ASP GLN LEU PRO TYR          
SEQRES  11 A  137  ILE CYS GLN PHE GLY ILE VAL                                  
HET     CA  A 182       1                                                       
HET     CA  A 183       1                                                       
HET    SO4  A 300       5                                                       
HET    EOH  A 301       3                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     SO4 SULFATE ION                                                      
HETNAM     EOH ETHANOL                                                          
FORMUL   2   CA    2(CA 2+)                                                     
FORMUL   4  SO4    O4 S 2-                                                      
FORMUL   5  EOH    C2 H6 O                                                      
FORMUL   6  HOH   *63(H2 O)                                                     
HELIX    1  A1 PHE A   70  ARG A   80  1                                  11    
HELIX    2  A2 GLY A   90  VAL A  104  1                                  15    
SHEET    1  B1 3 ALA A  45  LYS A  52  0                                        
SHEET    2  B1 3 MET A  58  THR A  65 -1                                        
SHEET    3  B1 3 PRO A 173  ILE A 180 -1                                        
SHEET    1  B2 3 ALA A 108  LEU A 112  0                                        
SHEET    2  B2 3 CYS A 152  GLY A 157 -1                                        
SHEET    3  B2 3 LYS A 162  LYS A 166 -1                                        
SSBOND   1 CYS A   50    CYS A   60                          1555   1555  2.08  
SSBOND   2 CYS A   77    CYS A  176                          1555   1555  2.00  
SSBOND   3 CYS A  152    CYS A  168                          1555   1555  2.05  
LINK         OD2 ASP A 116                CA    CA A 182     1555   1555  2.72  
LINK         OD1 ASP A 116                CA    CA A 182     1555   1555  2.65  
LINK         OE1 GLU A 120                CA    CA A 182     1555   1555  2.60  
LINK         OE2 GLU A 120                CA    CA A 182     1555   1555  2.57  
LINK         OE1 GLN A 143                CA    CA A 183     1555   1555  2.48  
LINK         OD1 ASP A 145                CA    CA A 183     1555   1555  3.13  
LINK         O   GLY A 147                CA    CA A 182     1555   1555  2.38  
LINK         O   GLU A 150                CA    CA A 182     1555   1555  2.46  
LINK         OE1 GLU A 150                CA    CA A 183     1555   1555  2.41  
LINK         OD1 ASN A 151                CA    CA A 182     1555   1555  2.04  
LINK         OD1 ASP A 165                CA    CA A 183     1555   1555  2.37  
LINK         O   ASP A 165                CA    CA A 183     1555   1555  2.78  
LINK        CA    CA A 182                 O   HOH A 189     1555   1555  2.44  
LINK        CA    CA A 183                 O   HOH A 201     1555   1555  2.52  
LINK        CA    CA A 183                 O   HOH A 223     1555   1555  3.15  
CISPEP   1 GLN A  143    PRO A  144          0        -4.94                     
SITE     1 CA1  6 ASP A 116  GLU A 120  GLY A 147  GLU A 150                    
SITE     2 CA1  6 ASN A 151  HOH A 189                                          
SITE     1 CA2  6 GLN A 143  ASP A 145  GLU A 150  ASP A 165                    
SITE     2 CA2  6 HOH A 201  HOH A 223                                          
SITE     1 AC1  6 ASP A 116  GLU A 120  GLY A 147  GLU A 150                    
SITE     2 AC1  6 ASN A 151  HOH A 189                                          
SITE     1 AC2  5 GLN A 143  ASP A 145  GLU A 150  ASP A 165                    
SITE     2 AC2  5 HOH A 201                                                     
SITE     1 AC3  7 GLY A 105  ASN A 106  ALA A 119  GLU A 120                    
SITE     2 AC3  7 LYS A 148  HOH A 239  EOH A 301                               
SITE     1 AC4  6 ASP A 116  MET A 117  ALA A 119  GLU A 120                    
SITE     2 AC4  6 ASN A 151  SO4 A 300                                          
CRYST1   64.250   64.250   75.800  90.00  90.00  90.00 P 42 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      0.015564  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.015564  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013193        0.00000