HEADER    SUGAR BINDING PROTEIN                   17-MAY-02   1GZC              
TITLE     HIGH-RESOLUTION CRYSTAL STRUCTURE OF ERYTHRINA CRISTAGALLI LECTIN IN  
TITLE    2 COMPLEX WITH LACTOSE                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ERYTHRINA CRISTA-GALLI LECTIN;                             
COMPND   3 CHAIN: A                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ERYTHRINA CRISTA-GALLI;                         
SOURCE   3 ORGANISM_COMMON: COCKSPUR CORAL TREE;                                
SOURCE   4 ORGANISM_TAXID: 49817                                                
KEYWDS    LECTIN, CARBOHYDRATE, SUGAR BINDING PROTEIN, SACCHARIDE, PROTEIN-     
KEYWDS   2 CARBOHYDRATE INTERACTIONS, LACTOSE, GLYCOPROTEIN                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.SVENSSON,U.KRENGEL                                                  
REVDAT   7   13-DEC-23 1GZC    1       HETSYN                                   
REVDAT   6   29-JUL-20 1GZC    1       COMPND REMARK HET    HETNAM              
REVDAT   6 2                   1       FORMUL LINK   SITE   ATOM                
REVDAT   5   17-JAN-18 1GZC    1       REMARK                                   
REVDAT   4   06-OCT-09 1GZC    1       HEADER KEYWDS REMARK HETNAM              
REVDAT   3   24-FEB-09 1GZC    1       VERSN                                    
REVDAT   2   01-AUG-02 1GZC    1       JRNL                                     
REVDAT   1   21-JUN-02 1GZC    0                                                
JRNL        AUTH   C.SVENSSON,S.TENEBERG,C.NILSSON,A.KJELLBERG,F.SCHWARZ,       
JRNL        AUTH 2 N.SHARON,U.KRENGEL                                           
JRNL        TITL   HIGH-RESOLUTION CRYSTAL STRUCTURES OF ERYTHRINA CRISTAGALLI  
JRNL        TITL 2 LECTIN IN COMPLEX WITH LACTOSE AND 2'-ALPHA-L-FUCOSYLLACTOSE 
JRNL        TITL 3 AND CORRELATION WITH THERMODYNAMIC BINDING DATA              
JRNL        REF    J.MOL.BIOL.                   V. 321    69 2002              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   12139934                                                     
JRNL        DOI    10.1016/S0022-2836(02)00554-5                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.58 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
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) : 1.58                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 49.90                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 58614                          
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) : 0.208                           
REMARK   3   FREE R VALUE                     : 0.226                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 50                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.58                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.59                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.30                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 936                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3340                       
REMARK   3   BIN FREE R VALUE                    : 0.3430                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 60                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1853                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 25                                      
REMARK   3   SOLVENT ATOMS            : 266                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 22.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 27.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -4.56600                                             
REMARK   3    B22 (A**2) : -4.56600                                             
REMARK   3    B33 (A**2) : 9.13300                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.018                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.900                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.016 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.616 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.979 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.975 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : 0.39                                                 
REMARK   3   BSOL        : 51.53                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : CIS_PEPTIDE.PARAM                              
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: ALTERNATIVE CONFORMATIONS REFINED FOR     
REMARK   3  RESIDUES 9, 10, 12, 95, 159, 173, 180, 234 LACTOSE ARE DEPOSITED:   
REMARK   3  LAT_XPLOR_TOP.TXT LAT_XPLOR_PAR.TXT. INITIAL STAGES OF              
REMARK   3  REFINEMENT WITH SIMULATED ANNEALING.                                
REMARK   4                                                                      
REMARK   4 1GZC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 17-MAY-02.                  
REMARK 100 THE DEPOSITION ID IS D_1290009509.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-OCT-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : MAX II                             
REMARK 200  BEAMLINE                       : I711                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.03                               
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 : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 58614                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.580                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 49.800                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 9.400                              
REMARK 200  R MERGE                    (I) : 0.05300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.58                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.64                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.60800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.300                              
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: 1AX1                                                 
REMARK 200                                                                      
REMARK 200 REMARK: THE DATA SET INCLUDED REFLECTIONS TO 1.45 A RESOLUTION,      
REMARK 200  BUT THE DATA WERE CUT TO 1.58 A RESOLUTION IN THE FINAL             
REMARK 200  REFINEMENT CYCLE DUE TO CONSIDERABLE INCREASE IN R-FACTORS          
REMARK 200  BEYOND THAT RESOLUTION.                                             
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 69.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2M AMMONIUM SULFATE, 0.1M TRIS PH 7.5,   
REMARK 280  10% GLYCEROL, PH 7.50                                               
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+3/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+3/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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       63.05000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       40.90000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       40.90000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       94.57500            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       40.90000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       40.90000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       31.52500            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       40.90000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       40.90000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       94.57500            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       40.90000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       40.90000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       31.52500            
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       63.05000            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 TOTAL BURIED SURFACE AREA: 1670 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 23350 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.8 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  0.000000 -1.000000  0.000000       81.80000            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000       81.80000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       63.05000            
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     GLU A  79    CD   OE1  OE2                                       
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A  2019     O    HOH A  2043              1.76            
REMARK 500   NE2  HIS A   180     O    HOH A  2217              2.11            
REMARK 500   CD2  HIS A   180     O    HOH A  2217              2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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  10   CG    GLU A  10   CD      0.239                       
REMARK 500    GLU A  10   CG    GLU A  10   CD      0.093                       
REMARK 500    GLU A  10   CD    GLU A  10   OE2     1.116                       
REMARK 500    GLU A  10   CD    GLU A  10   OE2     2.060                       
REMARK 500    MET A  95   SD    MET A  95   CE     -0.872                       
REMARK 500    MET A  95   SD    MET A  95   CE     -0.876                       
REMARK 500    ASP A 173   CG    ASP A 173   OD2     1.561                       
REMARK 500    ASP A 173   CG    ASP A 173   OD2     2.023                       
REMARK 500    GLN A 234   CG    GLN A 234   CD      1.038                       
REMARK 500    GLN A 234   CG    GLN A 234   CD      1.964                       
REMARK 500    GLN A 234   CD    GLN A 234   NE2     3.079                       
REMARK 500    GLN A 234   CD    GLN A 234   NE2     2.353                       
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    GLU A  10   OE1 -  CD  -  OE2 ANGL. DEV. = -39.3 DEGREES          
REMARK 500    GLU A  10   OE1 -  CD  -  OE2 ANGL. DEV. =  45.3 DEGREES          
REMARK 500    GLU A  10   CG  -  CD  -  OE2 ANGL. DEV. = -49.3 DEGREES          
REMARK 500    GLU A  10   CG  -  CD  -  OE2 ANGL. DEV. = -76.5 DEGREES          
REMARK 500    MET A  95   CG  -  SD  -  CE  ANGL. DEV. =  -9.7 DEGREES          
REMARK 500    MET A  95   CG  -  SD  -  CE  ANGL. DEV. =  15.2 DEGREES          
REMARK 500    ASP A 173   OD1 -  CG  -  OD2 ANGL. DEV. = -37.5 DEGREES          
REMARK 500    ASP A 173   CB  -  CG  -  OD2 ANGL. DEV. = -60.6 DEGREES          
REMARK 500    ASP A 173   CB  -  CG  -  OD2 ANGL. DEV. = -74.2 DEGREES          
REMARK 500    GLN A 234   CB  -  CG  -  CD  ANGL. DEV. = -36.0 DEGREES          
REMARK 500    GLN A 234   CB  -  CG  -  CD  ANGL. DEV. = -70.2 DEGREES          
REMARK 500    GLN A 234   OE1 -  CD  -  NE2 ANGL. DEV. = -24.2 DEGREES          
REMARK 500    GLN A 234   CG  -  CD  -  OE1 ANGL. DEV. =  16.9 DEGREES          
REMARK 500    GLN A 234   CG  -  CD  -  NE2 ANGL. DEV. = -90.0 DEGREES          
REMARK 500    GLN A 234   CG  -  CD  -  NE2 ANGL. DEV. = -77.1 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    ASN A  40        0.41    -68.82                                   
REMARK 500    PRO A  85     -165.38    -75.55                                   
REMARK 500    ALA A 103     -139.62    -95.46                                   
REMARK 500    TYR A 106     -130.67     50.11                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    GLU A  10         0.29    SIDE CHAIN                              
REMARK 500    ASP A 173         0.28    SIDE CHAIN                              
REMARK 500    GLN A 234         0.16    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2034        DISTANCE =  6.95 ANGSTROMS                       
REMARK 525    HOH A2088        DISTANCE =  6.28 ANGSTROMS                       
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                              MN A 289  MN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 127   OE2                                                    
REMARK 620 2 ASP A 129   OD2  95.8                                              
REMARK 620 3 ASP A 136   OD1 170.9  90.8                                        
REMARK 620 4 HIS A 142   NE2  89.8  88.1  96.6                                  
REMARK 620 5 HOH A2259   O    84.6  87.0  89.6 172.1                            
REMARK 620 6 HOH A2260   O    89.8 174.3  83.7  91.3  94.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 290  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 129   OD1                                                    
REMARK 620 2 ASP A 129   OD2  52.7                                              
REMARK 620 3 PHE A 131   O    78.5 107.7                                        
REMARK 620 4 ASN A 133   OD1 149.5 157.5  87.1                                  
REMARK 620 5 ASP A 136   OD2 118.0  82.0  78.4  84.5                            
REMARK 620 6 HOH A2132   O    73.1 114.9  91.6  80.7 162.5                      
REMARK 620 7 HOH A2146   O   109.8  76.5 171.2  86.8  94.8  93.5                
REMARK 620 N                    1     2     3     4     5     6                 
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 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1GZ9   RELATED DB: PDB                                   
REMARK 900 HIGH-RESOLUTION CRYSTAL STRUCTURE OF ERYTHRINA CRISTAGALLI LECTIN    
REMARK 900 IN COMPLEX WITH 2'-ALPHA-L-FUCOSYLLACTOSE                            
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE SEQUENCE OF THE CRYSTALLIZED PROTEIN WAS CONFIRMED BY            
REMARK 999 MASS SPECTROMETRY, BUT THERE ARE DISCREPANCIES BETWEEN THE           
REMARK 999 SEQUENCE THAT WAS BUILT INTO ELECTRON DENSITY AND THE MASS           
REMARK 999 SPEC. SEQUENCE, WHICH ARE PROBABLY DUE TO PREFERENTIAL               
REMARK 999 CRYSTALLIZATION OF ONE LECTIN ISOFORM. THE DIFFERENCES               
REMARK 999 BETWEEN THE MASS SPEC-CONFIRMED SEQUENCE AND THE SEQUENCE            
REMARK 999 THAT WAS BUILT INTO THE ELECTRON DENSITY ARE:                        
REMARK 999                                                                      
REMARK 999   RES.NUM  MS   BUILT                                                
REMARK 999    A  59   ILE   MET                                                 
REMARK 999    A  62   MET   SER   (MAY BE DUE TO CRYSTAL DISORDER)              
DBREF  1GZC A    1   239  PDB    1GZC     1GZC             1    239             
SEQRES   1 A  239  VAL GLU THR ILE SER PHE SER PHE SER GLU PHE GLU PRO          
SEQRES   2 A  239  GLY ASN ASP ASN LEU THR LEU GLN GLY ALA ALA LEU ILE          
SEQRES   3 A  239  THR GLN SER GLY VAL LEU GLN LEU THR LYS ILE ASN GLN          
SEQRES   4 A  239  ASN GLY MET PRO ALA TRP ASP SER THR GLY ARG THR LEU          
SEQRES   5 A  239  TYR THR LYS PRO VAL HIS MET TRP ASP SER THR THR GLY          
SEQRES   6 A  239  THR VAL ALA SER PHE GLU THR ARG PHE SER PHE SER ILE          
SEQRES   7 A  239  GLU GLN PRO TYR THR ARG PRO LEU PRO ALA ASP GLY LEU          
SEQRES   8 A  239  VAL PHE PHE MET GLY PRO THR LYS SER LYS PRO ALA GLN          
SEQRES   9 A  239  GLY TYR GLY TYR LEU GLY VAL PHE ASN ASN SER LYS GLN          
SEQRES  10 A  239  ASP ASN SER TYR GLN THR LEU ALA VAL GLU PHE ASP THR          
SEQRES  11 A  239  PHE SER ASN PRO TRP ASP PRO PRO GLN VAL PRO HIS ILE          
SEQRES  12 A  239  GLY ILE ASP VAL ASN SER ILE ARG SER ILE LYS THR GLN          
SEQRES  13 A  239  PRO PHE GLN LEU ASP ASN GLY GLN VAL ALA ASN VAL VAL          
SEQRES  14 A  239  ILE LYS TYR ASP ALA PRO SER LYS ILE LEU HIS VAL VAL          
SEQRES  15 A  239  LEU VAL TYR PRO SER SER GLY ALA ILE TYR THR ILE ALA          
SEQRES  16 A  239  GLU ILE VAL ASP VAL LYS GLN VAL LEU PRO ASP TRP VAL          
SEQRES  17 A  239  ASP VAL GLY LEU SER GLY ALA THR GLY ALA GLN ARG ASP          
SEQRES  18 A  239  ALA ALA GLU THR HIS ASP VAL TYR SER TRP SER PHE GLN          
SEQRES  19 A  239  ALA SER LEU PRO GLU                                          
HET    BGC  B   1      13                                                       
HET    GAL  B   2      11                                                       
HET     MN  A 289       1                                                       
HET     CA  A 290       1                                                       
HETNAM     BGC BETA-D-GLUCOPYRANOSE                                             
HETNAM     GAL BETA-D-GALACTOPYRANOSE                                           
HETNAM      MN MANGANESE (II) ION                                               
HETNAM      CA CALCIUM ION                                                      
HETSYN     BGC BETA-D-GLUCOSE; D-GLUCOSE; GLUCOSE                               
HETSYN     GAL BETA-D-GALACTOSE; D-GALACTOSE; GALACTOSE                         
FORMUL   2  BGC    C6 H12 O6                                                    
FORMUL   2  GAL    C6 H12 O6                                                    
FORMUL   3   MN    MN 2+                                                        
FORMUL   4   CA    CA 2+                                                        
FORMUL   5  HOH   *266(H2 O)                                                    
HELIX    1   1 GLY A  105  LEU A  109  5                                   5    
HELIX    2   2 ASP A  118  GLN A  122  5                                   5    
HELIX    3   3 ASP A  199  LEU A  204  1                                   6    
SHEET    1  AA 4 GLU A   2  PHE A   8  0                                        
SHEET    2  AA 4 ASP A 227  LEU A 237 -1  O  TRP A 231   N  PHE A   8           
SHEET    3  AA 4 LEU A  32  GLN A  33 -1  O  LEU A  32   N  VAL A 228           
SHEET    4  AA 4 LEU A  25  ILE A  26 -1  O  LEU A  25   N  GLN A  33           
SHEET    1  AB 6 GLU A   2  PHE A   8  0                                        
SHEET    2  AB 6 ASP A 227  LEU A 237 -1  O  TRP A 231   N  PHE A   8           
SHEET    3  AB 6 SER A  69  SER A  77 -1  O  SER A  69   N  SER A 236           
SHEET    4  AB 6 VAL A 165  ASP A 173 -1  O  ALA A 166   N  PHE A  76           
SHEET    5  AB 6 ILE A 178  VAL A 184 -1  O  ILE A 178   N  ASP A 173           
SHEET    6  AB 6 ILE A 191  ILE A 197 -1  O  TYR A 192   N  LEU A 183           
SHEET    1  AC 4 LEU A  18  GLY A  22  0                                        
SHEET    2  AC 4 THR A  48  TYR A  53 -1  O  ARG A  50   N  GLN A  21           
SHEET    3  AC 4 TRP A 207  THR A 216 -1  O  VAL A 210   N  TYR A  53           
SHEET    4  AC 4 VAL A  57  HIS A  58 -1  O  VAL A  57   N  VAL A 208           
SHEET    1  AD 7 LEU A  18  GLY A  22  0                                        
SHEET    2  AD 7 THR A  48  TYR A  53 -1  O  ARG A  50   N  GLN A  21           
SHEET    3  AD 7 TRP A 207  THR A 216 -1  O  VAL A 210   N  TYR A  53           
SHEET    4  AD 7 ASP A  89  GLY A  96 -1  O  GLY A  90   N  ALA A 215           
SHEET    5  AD 7 LEU A 124  ASP A 129 -1  O  LEU A 124   N  MET A  95           
SHEET    6  AD 7 HIS A 142  VAL A 147 -1  O  HIS A 142   N  ASP A 129           
SHEET    7  AD 7 LYS A 154  PRO A 157 -1  O  LYS A 154   N  ILE A 145           
LINK         O4  BGC B   1                 C1  GAL B   2     1555   1555  1.45  
LINK         OE2 GLU A 127                MN    MN A 289     1555   1555  2.18  
LINK         OD2 ASP A 129                MN    MN A 289     1555   1555  2.16  
LINK         OD1 ASP A 129                CA    CA A 290     1555   1555  2.43  
LINK         OD2 ASP A 129                CA    CA A 290     1555   1555  2.46  
LINK         O   PHE A 131                CA    CA A 290     1555   1555  2.37  
LINK         OD1 ASN A 133                CA    CA A 290     1555   1555  2.34  
LINK         OD1 ASP A 136                MN    MN A 289     1555   1555  2.18  
LINK         OD2 ASP A 136                CA    CA A 290     1555   1555  2.36  
LINK         NE2 HIS A 142                MN    MN A 289     1555   1555  2.30  
LINK        MN    MN A 289                 O   HOH A2259     1555   1555  2.24  
LINK        MN    MN A 289                 O   HOH A2260     1555   1555  2.19  
LINK        CA    CA A 290                 O   HOH A2132     1555   1555  2.39  
LINK        CA    CA A 290                 O   HOH A2146     1555   1555  2.42  
CISPEP   1 ARG A   84    PRO A   85          0        -2.43                     
CISPEP   2 ALA A   88    ASP A   89          0        -1.11                     
CISPEP   3 VAL A  140    PRO A  141          0        -0.18                     
CRYST1   81.800   81.800  126.100  90.00  90.00  90.00 P 43 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      0.012225  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012225  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007930        0.00000