HEADER    MEMBRANE PROTEIN                        18-AUG-98   1BQS              
TITLE     THE CRYSTAL STRUCTURE OF MUCOSAL ADDRESSIN CELL ADHESION MOLECULE-1   
TITLE    2 (MADCAM-1)                                                           
CAVEAT     1BQS    NAG A 401 HAS WRONG CHIRALITY AT ATOM C1                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (MUCOSAL ADDRESSIN CELL ADHESION MOLECULE-1);      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: EXTRACELLULAR REGION WITH TWO IG-LIKE DOMAINS;             
COMPND   5 SYNONYM: MADCAM-1                                                    
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 CELL: HEMATOPOIETIC AND ENDOTHELIAL CELLS;                           
SOURCE   6 PLASMID: PBJ5-GS-MADCAM-1                                            
KEYWDS    CELL ADHESION PROTEIN, MADCAM-1, IMMUNOGLOBULIN FOLD, I-SET FOLD,     
KEYWDS   2 CELL ADHESION GLYCOPROTEIN, INTEGRIN RECOGINITION, MEMBRANE PROTEIN  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.TAN,J.M.CASASNOVAS,J.H.LIU,M.J.BRISKIN,T.A.SPRINGER,J.-H.WANG       
REVDAT   5   13-NOV-24 1BQS    1       REMARK                                   
REVDAT   4   27-DEC-23 1BQS    1       HETSYN                                   
REVDAT   3   29-JUL-20 1BQS    1       CAVEAT COMPND REMARK SEQADV              
REVDAT   3 2                   1       HET    HETNAM LINK   SITE                
REVDAT   3 3                   1       ATOM                                     
REVDAT   2   24-FEB-09 1BQS    1       VERSN                                    
REVDAT   1   13-AUG-99 1BQS    0                                                
JRNL        AUTH   K.TAN,J.M.CASASNOVAS,J.H.LIU,M.J.BRISKIN,T.A.SPRINGER,       
JRNL        AUTH 2 J.H.WANG                                                     
JRNL        TITL   THE STRUCTURE OF IMMUNOGLOBULIN SUPERFAMILY DOMAINS 1 AND 2  
JRNL        TITL 2 OF MADCAM-1 REVEALS NOVEL FEATURES IMPORTANT FOR INTEGRIN    
JRNL        TITL 3 RECOGNITION.                                                 
JRNL        REF    STRUCTURE                     V.   6   793 1998              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   9655832                                                      
JRNL        DOI    10.1016/S0969-2126(98)00080-X                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   A.M.SHYJAN,M.BERTAGNOLLI,C.J.KENNEY,M.J.BRISKIN              
REMARK   1  TITL   HUMAN MUCOSAL ADDRESSIN CELL ADHESION MOLECULE-1(MA          
REMARK   1  TITL 2 DEMONSTRATES STRUCTURAL AND FUNCTIONAL SIMILARITIES          
REMARK   1  TITL 3 ALPHA4BETA7-INTEGRIN BINDING DOMAINS OF MURINE MADC BUT      
REMARK   1  TITL 4 EXTREME DIVERGENCE OF MUCIN-LIKE SEQUENCE                    
REMARK   1  REF    J.IMMUNOL.                    V. 156  2851 1996              
REMARK   1  REFN                   ISSN 0022-1767                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   T.A.SPRINGER                                                 
REMARK   1  TITL   TRAFFIC SIGNALS FOR LYMPHOCYTE RECIRCULATION AND LE          
REMARK   1  TITL 2 EMIGRATION                                                   
REMARK   1  REF    CELL(CAMBRIDGE,MASS.)         V.  78   301 1994              
REMARK   1  REFN                   ISSN 0092-8674                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 92.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 10955                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.223                           
REMARK   3   FREE R VALUE                     : 0.280                           
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           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.30                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 95.50                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1092                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3270                       
REMARK   3   BIN FREE R VALUE                    : 0.3690                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.00                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1552                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 14                                      
REMARK   3   SOLVENT ATOMS            : 79                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 44.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.43                            
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) : 0.012                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.087                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.500 ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.000 ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.000 ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.500 ; NULL                 
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  : PARAM3_MOD.CHO                                 
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : TOPH19.SOL                                     
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1BQS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JUL-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000007307.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-FEB-97                          
REMARK 200  TEMPERATURE           (KELVIN) : 293                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : DOUBLE FOCUSED MIRROR              
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 11229                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 15.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.2                               
REMARK 200  DATA REDUNDANCY                : 7.800                              
REMARK 200  R MERGE                    (I) : 0.07500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 22.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.28                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.23600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR                          
REMARK 200 SOFTWARE USED: CCP4                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.63                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN SOLUTION:17 MG/ML.               
REMARK 280  CRYSTALLIZATION SOLUTION: 10% PEG 400, 0.5M LI2SO4, PH 7.5-8.0.,    
REMARK 280  VAPOR DIFFUSION, HANGING DROP                                       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
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   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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       35.02000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       35.02000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       32.88000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       50.55000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       32.88000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       50.55000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       35.02000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       32.88000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       50.55000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       35.02000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       32.88000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       50.55000            
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 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 MUCOSAL ADDRESSIN CELL ADHESION MOLECULE-1 (MADCAM-1) IS             
REMARK 400 IMPORTANT IN LYMPHOCYTE HOMING TO MUCOSAL TISSUES. HUMAN             
REMARK 400 MADCAM-1 CONTAINS TWO IG-LIKE DOMAINS, A MUCIN-LIKE REGION,          
REMARK 400 A TRANSMEMBRANE DOMAIN AND A CYTOPLASMIC DOMAIN. IT HAS A            
REMARK 400 UNIQUE DUAL FUNCTION AMONG ADHESION MOLECULES. IT BINDS THE          
REMARK 400 INTEGRIN ALPHA4BETA7IG-LIKE DOMAINS, AND WHEN APPROPRIATE,           
REMARK 400 O-GLYCOSYLATED MOLECULES BIND THROUGH ITS MUCIN-LIKE                 
REMARK 400 REGION.                                                              
REMARK 400                                                                      
REMARK 400 THE FIVE C-TERMINAL RESIDUES (PTSPE) FORM THE BEGINNING OF           
REMARK 400 THE MUCIN-LIKE DOMAIN.                                               
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    VAL A   104     N    GLY A   106              2.19            
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    PRO A 153   C   -  N   -  CA  ANGL. DEV. =  10.3 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   2      -56.30   -134.70                                   
REMARK 500    GLU A  10      132.33    -34.06                                   
REMARK 500    ALA A  34      128.08    -31.94                                   
REMARK 500    LEU A  41      -28.81   -159.27                                   
REMARK 500    ASP A  42      -69.19    102.27                                   
REMARK 500    THR A  43     -171.17    -27.46                                   
REMARK 500    SER A  44      -36.52    134.91                                   
REMARK 500    LEU A  45       38.64    117.29                                   
REMARK 500    ASP A  51      -10.17     95.65                                   
REMARK 500    THR A  52       54.96   -118.08                                   
REMARK 500    ARG A  54      -98.44     65.05                                   
REMARK 500    ASN A  61       52.35     36.97                                   
REMARK 500    ALA A  62      143.29    -37.43                                   
REMARK 500    PRO A 105        9.32    -48.61                                   
REMARK 500    ASP A 107      -45.36    169.04                                   
REMARK 500    PRO A 108     -109.47    -25.99                                   
REMARK 500    LYS A 116       76.71     45.40                                   
REMARK 500    THR A 118      126.57    179.94                                   
REMARK 500    ASN A 123      -18.55     78.63                                   
REMARK 500    GLN A 140     -132.25    -89.23                                   
REMARK 500    ALA A 141     -178.28    170.71                                   
REMARK 500    LEU A 142      103.98    150.90                                   
REMARK 500    GLU A 151       82.44    159.22                                   
REMARK 500    PRO A 153      144.74    -38.74                                   
REMARK 500    ASP A 158      178.65    141.39                                   
REMARK 500    LEU A 160     -154.93   -138.78                                   
REMARK 500    LEU A 172     -104.45     98.76                                   
REMARK 500    VAL A 176      131.97    -39.77                                   
REMARK 500    HIS A 203       70.28    -68.65                                   
REMARK 500    PRO A 205       92.76    -54.86                                   
REMARK 500    THR A 206     -156.79   -111.40                                   
REMARK 500    SER A 207      -26.82     88.23                                   
REMARK 500    PRO A 208     -147.42    -94.90                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1BQS A    1   209  UNP    Q13477   MADCA_HUMAN     23    231             
SEQADV 1BQS ASN A   94  UNP  Q13477    ASP   116 CONFLICT                       
SEQRES   1 A  209  VAL LYS PRO LEU GLN VAL GLU PRO PRO GLU PRO VAL VAL          
SEQRES   2 A  209  ALA VAL ALA LEU GLY ALA SER ARG GLN LEU THR CYS ARG          
SEQRES   3 A  209  LEU ALA CYS ALA ASP ARG GLY ALA SER VAL GLN TRP ARG          
SEQRES   4 A  209  GLY LEU ASP THR SER LEU GLY ALA VAL GLN SER ASP THR          
SEQRES   5 A  209  GLY ARG SER VAL LEU THR VAL ARG ASN ALA SER LEU SER          
SEQRES   6 A  209  ALA ALA GLY THR ARG VAL CYS VAL GLY SER CYS GLY GLY          
SEQRES   7 A  209  ARG THR PHE GLN HIS THR VAL GLN LEU LEU VAL TYR ALA          
SEQRES   8 A  209  PHE PRO ASN GLN LEU THR VAL SER PRO ALA ALA LEU VAL          
SEQRES   9 A  209  PRO GLY ASP PRO GLU VAL ALA CYS THR ALA HIS LYS VAL          
SEQRES  10 A  209  THR PRO VAL ASP PRO ASN ALA LEU SER PHE SER LEU LEU          
SEQRES  11 A  209  VAL GLY GLY GLN GLU LEU GLU GLY ALA GLN ALA LEU GLY          
SEQRES  12 A  209  PRO GLU VAL GLN GLU GLU GLU GLU GLU PRO GLN GLY ASP          
SEQRES  13 A  209  GLU ASP VAL LEU PHE ARG VAL THR GLU ARG TRP ARG LEU          
SEQRES  14 A  209  PRO PRO LEU GLY THR PRO VAL PRO PRO ALA LEU TYR CYS          
SEQRES  15 A  209  GLN ALA THR MET ARG LEU PRO GLY LEU GLU LEU SER HIS          
SEQRES  16 A  209  ARG GLN ALA ILE PRO VAL LEU HIS SER PRO THR SER PRO          
SEQRES  17 A  209  GLU                                                          
MODRES 1BQS ASN A   61  ASN  GLYCOSYLATION SITE                                 
HET    NAG  A 401      14                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETSYN     NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA-           
HETSYN   2 NAG  D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO-          
HETSYN   3 NAG  2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE                         
FORMUL   2  NAG    C8 H15 N O6                                                  
FORMUL   3  HOH   *79(H2 O)                                                     
HELIX    1   1 LEU A   64  ALA A   66  5                                   3    
SHEET    1   A 4 LEU A   4  GLU A   7  0                                        
SHEET    2   A 4 ARG A  21  LEU A  27 -1  N  ARG A  26   O  GLN A   5           
SHEET    3   A 4 SER A  55  VAL A  59 -1  N  VAL A  59   O  ARG A  21           
SHEET    4   A 4 GLY A  46  SER A  50 -1  N  GLN A  49   O  VAL A  56           
SHEET    1   B 4 VAL A  12  ALA A  16  0                                        
SHEET    2   B 4 ARG A  79  TYR A  90  1  N  GLN A  86   O  VAL A  13           
SHEET    3   B 4 GLY A  68  CYS A  76 -1  N  CYS A  76   O  ARG A  79           
SHEET    4   B 4 SER A  35  ARG A  39 -1  N  ARG A  39   O  VAL A  71           
SHEET    1   C 3 LEU A  96  SER A  99  0                                        
SHEET    2   C 3 GLU A 109  ALA A 114 -1  N  THR A 113   O  THR A  97           
SHEET    3   C 3 VAL A 163  ARG A 168 -1  N  TRP A 167   O  VAL A 110           
SHEET    1   D 4 ALA A 102  VAL A 104  0                                        
SHEET    2   D 4 LEU A 191  LEU A 202  1  N  PRO A 200   O  LEU A 103           
SHEET    3   D 4 ALA A 179  LEU A 188 -1  N  LEU A 188   O  LEU A 191           
SHEET    4   D 4 SER A 126  VAL A 131 -1  N  LEU A 130   O  TYR A 181           
SHEET    1   E 2 GLN A 147  GLU A 150  0                                        
SHEET    2   E 2 ASP A 158  PHE A 161 -1  N  LEU A 160   O  GLU A 148           
SSBOND   1 CYS A   25    CYS A   72                          1555   1555  2.02  
SSBOND   2 CYS A   29    CYS A   76                          1555   1555  2.03  
SSBOND   3 CYS A  112    CYS A  182                          1555   1555  2.03  
LINK         ND2 ASN A  61                 C1  NAG A 401     1555   1555  1.46  
CISPEP   1 LYS A    2    PRO A    3          0        -0.55                     
CISPEP   2 GLU A    7    PRO A    8          0         0.31                     
CISPEP   3 SER A   99    PRO A  100          0         0.42                     
CISPEP   4 THR A  118    PRO A  119          0        -0.04                     
CISPEP   5 THR A  174    PRO A  175          0         0.00                     
CRYST1   65.760  101.100   70.040  90.00  90.00  90.00 C 2 2 21      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      0.015207  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009891  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014278        0.00000