HEADER    HYDROLASE (O-GLYCOSYL)                  10-MAR-94   1AMY              
TITLE     CRYSTAL AND MOLECULAR STRUCTURE OF BARLEY ALPHA-AMYLASE               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 1,4-ALPHA-D-GLUCAN GLUCANOHYDROLASE;                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.2.1.1;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HORDEUM VULGARE;                                
SOURCE   3 ORGANISM_TAXID: 4513                                                 
KEYWDS    HYDROLASE (O-GLYCOSYL)                                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.KADZIOLA,R.HASER                                                    
REVDAT   4   07-FEB-24 1AMY    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1AMY    1       VERSN                                    
REVDAT   2   01-APR-03 1AMY    1       JRNL                                     
REVDAT   1   13-MAY-95 1AMY    0                                                
JRNL        AUTH   A.KADZIOLA,J.ABE,B.SVENSSON,R.HASER                          
JRNL        TITL   CRYSTAL AND MOLECULAR STRUCTURE OF BARLEY ALPHA-AMYLASE.     
JRNL        REF    J.MOL.BIOL.                   V. 239   104 1994              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   8196040                                                      
JRNL        DOI    10.1006/JMBI.1994.1354                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   F.VALLEE,A.KADZIOLA,Y.BOURNE,J.-I.ABE,B.SVENSSON,R.HASER     
REMARK   1  TITL   CHARACTERIZATION, CRYSTALLIZATION AND CRYSTALLOGRAPHIC       
REMARK   1  TITL 2 PRELIMINARY DATA OF THE COMPLEX BETWEEN BARLEY ALPHA-AMYLASE 
REMARK   1  TITL 3 AND THE BIFUNCTIONAL ALPHA-AMYLASE(SLASH)SUBTILISIN          
REMARK   1  TITL 4 INHIBITOR FROM BARLEY SEEDS                                  
REMARK   1  REF    J.MOL.BIOL.                   V. 236   368 1994              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   M.SOGAARD,A.KADZIOLA,R.HASER,B.SVENSSON                      
REMARK   1  TITL   SITE-DIRECTED MUTAGENESIS OF HISTIDINE 93, ASPARTIC ACID     
REMARK   1  TITL 2 180, GLUTAMIC ACID 20 5, HISTIDINE 290, AND ASPARTIC ACID    
REMARK   1  TITL 3 291 AT THE ACTIVE SITE AND TRYPTOPHAN 279 AT THE RAW STARCH  
REMARK   1  TITL 4 BINDING SITE IN BARLEY ALPHA-AMYLASE 1                       
REMARK   1  REF    J.BIOL.CHEM.                  V. 268 22480 1993              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 18303                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.153                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
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           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
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            : 3184                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 3                                       
REMARK   3   SOLVENT ATOMS            : 152                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
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) : 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) : 0.016                           
REMARK   3   BOND ANGLES            (DEGREES) : 3.300                           
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) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; 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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  IN A FINAL 2FOBS-FCALC MAP NO DENSITY WAS SEEN FOR                  
REMARK   3  THE SIDE CHAINS OF LYS 158, TYR 378, AND LYS 389.                   
REMARK   4                                                                      
REMARK   4 1AMY 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_1000171016.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 73.64                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.67                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       26.53333            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       53.06667            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  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        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       53.06667            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       26.53333            
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 THE STRUCTURE CAN BE DESCRIBED AS CONSISTING OF THREE                
REMARK 400 DOMAINS:  A CENTRAL DOMAIN (A) FORMING AN                            
REMARK 400 ALPHA-BETA-8-BARREL (GLN 1 - ILE 88 AND ASN 153 - HIS 344)           
REMARK 400 WITH A PROTRUDING IRREGULARLY STRUCTURED LOOP DOMAIN (B)             
REMARK 400 (VAL 89 - LEU 152) AND A C-TERMINAL DOMAIN (C) (LYS 351 -            
REMARK 400 ILE 403) FORMING AN ANTI-PARALLEL FIVE STRANDED                      
REMARK 400 BETA-SHEET.                                                          
REMARK 400                                                                      
REMARK 400 THE ACTIVE CATALYTIC SITE CLEFT (AS) HAS BEEN LOCATED TO             
REMARK 400 THE C-TERMINAL END OF THE CENTRAL BETA-BARREL AROUND                 
REMARK 400 RESIDUES ASP 179, GLU 204 AND ASP 289.                               
REMARK 400                                                                      
REMARK 400 A RAW STARCH BINDING SITE (SS) HAS BEEN LOCATED AT THE               
REMARK 400 SURFACE AROUND RESIDUES TRP 276 AND TRP 277.                         
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    HIS A  14   NE2   HIS A  14   CD2    -0.070                       
REMARK 500    HIS A  36   NE2   HIS A  36   CD2    -0.080                       
REMARK 500    HIS A  92   NE2   HIS A  92   CD2    -0.079                       
REMARK 500    HIS A  97   NE2   HIS A  97   CD2    -0.075                       
REMARK 500    HIS A 151   NE2   HIS A 151   CD2    -0.067                       
REMARK 500    HIS A 224   NE2   HIS A 224   CD2    -0.072                       
REMARK 500    HIS A 288   NE2   HIS A 288   CD2    -0.071                       
REMARK 500    HIS A 314   NE2   HIS A 314   CD2    -0.079                       
REMARK 500    HIS A 324   NE2   HIS A 324   CD2    -0.071                       
REMARK 500    HIS A 344   NE2   HIS A 344   CD2    -0.076                       
REMARK 500    HIS A 347   NE2   HIS A 347   CD2    -0.074                       
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    GLN A   1   N   -  CA  -  C   ANGL. DEV. = -16.8 DEGREES          
REMARK 500    LEU A   3   CA  -  CB  -  CG  ANGL. DEV. =  14.2 DEGREES          
REMARK 500    TRP A   9   CD1 -  CG  -  CD2 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    TRP A   9   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.7 DEGREES          
REMARK 500    TRP A  12   CD1 -  CG  -  CD2 ANGL. DEV. =   7.3 DEGREES          
REMARK 500    TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    TRP A  12   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    TRP A  18   CD1 -  CG  -  CD2 ANGL. DEV. =   7.6 DEGREES          
REMARK 500    TRP A  18   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.4 DEGREES          
REMARK 500    TRP A  18   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    TRP A  38   CD1 -  CG  -  CD2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    TRP A  38   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.9 DEGREES          
REMARK 500    TRP A  38   CG  -  CD2 -  CE3 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    MET A  52   CG  -  SD  -  CE  ANGL. DEV. =  -9.9 DEGREES          
REMARK 500    ARG A 101   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    TRP A 118   CD1 -  CG  -  CD2 ANGL. DEV. =   6.5 DEGREES          
REMARK 500    TRP A 118   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.2 DEGREES          
REMARK 500    ARG A 155   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500    TRP A 163   CD1 -  CG  -  CD2 ANGL. DEV. =   7.1 DEGREES          
REMARK 500    TRP A 163   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    TRP A 163   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.9 DEGREES          
REMARK 500    TRP A 166   CD1 -  CG  -  CD2 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    TRP A 166   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    TRP A 176   CD1 -  CG  -  CD2 ANGL. DEV. =   8.4 DEGREES          
REMARK 500    TRP A 176   CB  -  CG  -  CD1 ANGL. DEV. =  -8.3 DEGREES          
REMARK 500    TRP A 176   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500    TRP A 176   CE2 -  CD2 -  CG  ANGL. DEV. =  -7.2 DEGREES          
REMARK 500    TRP A 176   CG  -  CD2 -  CE3 ANGL. DEV. =   7.1 DEGREES          
REMARK 500    ARG A 177   CA  -  CB  -  CG  ANGL. DEV. = -15.6 DEGREES          
REMARK 500    TRP A 206   CD1 -  CG  -  CD2 ANGL. DEV. =   5.0 DEGREES          
REMARK 500    TRP A 206   CE2 -  CD2 -  CG  ANGL. DEV. =  -4.8 DEGREES          
REMARK 500    TRP A 231   CD1 -  CG  -  CD2 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    TRP A 231   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.4 DEGREES          
REMARK 500    TRP A 261   CD1 -  CG  -  CD2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    TRP A 261   CB  -  CG  -  CD1 ANGL. DEV. =  -8.7 DEGREES          
REMARK 500    TRP A 261   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.9 DEGREES          
REMARK 500    TRP A 261   CG  -  CD2 -  CE3 ANGL. DEV. =   6.6 DEGREES          
REMARK 500    TRP A 277   CD1 -  CG  -  CD2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    TRP A 277   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.4 DEGREES          
REMARK 500    TRP A 297   CD1 -  CG  -  CD2 ANGL. DEV. =   5.2 DEGREES          
REMARK 500    TRP A 297   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.3 DEGREES          
REMARK 500    TRP A 297   CG  -  CD2 -  CE3 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ARG A 303   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.2 DEGREES          
REMARK 500    MET A 305   CG  -  SD  -  CE  ANGL. DEV. = -11.5 DEGREES          
REMARK 500    TRP A 328   CD1 -  CG  -  CD2 ANGL. DEV. =   8.1 DEGREES          
REMARK 500    TRP A 328   CG  -  CD1 -  NE1 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500    TRP A 328   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ARG A 336   NE  -  CZ  -  NH1 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    ARG A 336   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    ARG A 341   NE  -  CZ  -  NH1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      56 ANGLE DEVIATIONS.                             
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    LEU A  56      -38.55    -38.75                                   
REMARK 500    ARG A 101      -33.15    157.87                                   
REMARK 500    TYR A 104       86.25    -69.88                                   
REMARK 500    ARG A 125      -53.48    -19.54                                   
REMARK 500    ASP A 132       30.03    -97.68                                   
REMARK 500    ALA A 169      -72.38    -67.77                                   
REMARK 500    GLU A 197       77.15     30.35                                   
REMARK 500    ASP A 214      -15.33   -177.77                                   
REMARK 500    TRP A 277       61.93   -154.25                                   
REMARK 500    SER A 292     -146.09     59.30                                   
REMARK 500    TRP A 297       68.22   -167.51                                   
REMARK 500    PRO A 300      111.64    -35.85                                   
REMARK 500    PRO A 315     -177.60    -56.75                                   
REMARK 500    TYR A 322      -68.67    -29.81                                   
REMARK 500    ASN A 348      -65.22      4.86                                   
REMARK 500    LEU A 361      118.48   -163.65                                   
REMARK 500    ASP A 367       25.59     44.20                                   
REMARK 500    ASN A 382      -20.25    -37.74                                   
REMARK 500    ASP A 396       52.13   -170.78                                   
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 500  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASN A  91   OD1                                                    
REMARK 620 2 ASP A 138   OD1 160.7                                              
REMARK 620 3 ASP A 138   OD2 141.2  49.7                                        
REMARK 620 4 ALA A 141   O   102.5  93.6  86.2                                  
REMARK 620 5 ASP A 148   OD2  69.4 121.8  72.8  90.3                            
REMARK 620 6 GLY A 183   O    86.1  85.5 132.8  82.1 152.2                      
REMARK 620 7 HOH A 630   O    86.0  78.7  85.3 171.0  90.0 101.6                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 501  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 108   OE1                                                    
REMARK 620 2 GLU A 108   OE2  46.2                                              
REMARK 620 3 THR A 111   O   112.9  77.3                                        
REMARK 620 4 ASP A 113   O   163.2 150.4  81.1                                  
REMARK 620 5 ASP A 117   OD1  68.3  76.3 138.0 108.2                            
REMARK 620 6 ASP A 117   OD2  70.0 109.0 171.4  94.8  50.5                      
REMARK 620 7 HOH A 604   O   118.7  82.2  75.2  72.8  69.3 111.0                
REMARK 620 8 HOH A 656   O    68.4  86.2  76.3 108.1 133.2  98.0 150.9          
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 502  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 127   OD1                                                    
REMARK 620 2 ASP A 127   OD2  49.8                                              
REMARK 620 3 ASP A 142   OD1  73.5  79.8                                        
REMARK 620 4 ASP A 142   OD2  76.9 110.4  39.8                                  
REMARK 620 5 PHE A 143   O   144.8 159.4  91.4  71.5                            
REMARK 620 6 GLY A 144   O   107.5 142.4 127.0  87.7  56.7                      
REMARK 620 7 ALA A 146   O   114.6  85.7 151.6 163.9  94.0  78.3                
REMARK 620 8 ASP A 148   OD1 112.7  73.5  62.4  95.6  86.0 139.4  90.2          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 THE SHEET PRESENTED AS *A* ON SHEET RECORDS BELOW IS                 
REMARK 700 ACTUALLY AN EIGHT-STRANDED BETA-BARREL.  THIS IS                     
REMARK 700 REPRESENTED BY A NINE-STRANDED SHEET IN WHICH THE FIRST AND          
REMARK 700 LAST STRANDS ARE IDENTICAL.                                          
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AS                                                  
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: NULL                                               
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: SS                                                  
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: NULL                                               
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 500                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 502                  
DBREF  1AMY A    1   403  UNP    P04063   AMY2_HORVU      25    427             
SEQRES   1 A  403  GLN VAL LEU PHE GLN GLY PHE ASN TRP GLU SER TRP LYS          
SEQRES   2 A  403  HIS ASN GLY GLY TRP TYR ASN PHE LEU MET GLY LYS VAL          
SEQRES   3 A  403  ASP ASP ILE ALA ALA ALA GLY ILE THR HIS VAL TRP LEU          
SEQRES   4 A  403  PRO PRO ALA SER GLN SER VAL ALA GLU GLN GLY TYR MET          
SEQRES   5 A  403  PRO GLY ARG LEU TYR ASP LEU ASP ALA SER LYS TYR GLY          
SEQRES   6 A  403  ASN LYS ALA GLN LEU LYS SER LEU ILE GLY ALA LEU HIS          
SEQRES   7 A  403  GLY LYS GLY VAL LYS ALA ILE ALA ASP ILE VAL ILE ASN          
SEQRES   8 A  403  HIS ARG THR ALA GLU HIS LYS ASP GLY ARG GLY ILE TYR          
SEQRES   9 A  403  CYS ILE PHE GLU GLY GLY THR PRO ASP ALA ARG LEU ASP          
SEQRES  10 A  403  TRP GLY PRO HIS MET ILE CYS ARG ASP ASP ARG PRO TYR          
SEQRES  11 A  403  ALA ASP GLY THR GLY ASN PRO ASP THR GLY ALA ASP PHE          
SEQRES  12 A  403  GLY ALA ALA PRO ASP ILE ASP HIS LEU ASN LEU ARG VAL          
SEQRES  13 A  403  GLN LYS GLU LEU VAL GLU TRP LEU ASN TRP LEU LYS ALA          
SEQRES  14 A  403  ASP ILE GLY PHE ASP GLY TRP ARG PHE ASP PHE ALA LYS          
SEQRES  15 A  403  GLY TYR SER ALA ASP VAL ALA LYS ILE TYR ILE ASP ARG          
SEQRES  16 A  403  SER GLU PRO SER PHE ALA VAL ALA GLU ILE TRP THR SER          
SEQRES  17 A  403  LEU ALA TYR GLY GLY ASP GLY LYS PRO ASN LEU ASN GLN          
SEQRES  18 A  403  ASP GLN HIS ARG GLN GLU LEU VAL ASN TRP VAL ASP LYS          
SEQRES  19 A  403  VAL GLY GLY LYS GLY PRO ALA THR THR PHE ASP PHE THR          
SEQRES  20 A  403  THR LYS GLY ILE LEU ASN VAL ALA VAL GLU GLY GLU LEU          
SEQRES  21 A  403  TRP ARG LEU ARG GLY THR ASP GLY LYS ALA PRO GLY MET          
SEQRES  22 A  403  ILE GLY TRP TRP PRO ALA LYS ALA VAL THR PHE VAL ASP          
SEQRES  23 A  403  ASN HIS ASP THR GLY SER THR GLN HIS MET TRP PRO PHE          
SEQRES  24 A  403  PRO SER ASP ARG VAL MET GLN GLY TYR ALA TYR ILE LEU          
SEQRES  25 A  403  THR HIS PRO GLY THR PRO CYS ILE PHE TYR ASP HIS PHE          
SEQRES  26 A  403  PHE ASP TRP GLY LEU LYS GLU GLU ILE ASP ARG LEU VAL          
SEQRES  27 A  403  SER VAL ARG THR ARG HIS GLY ILE HIS ASN GLU SER LYS          
SEQRES  28 A  403  LEU GLN ILE ILE GLU ALA ASP ALA ASP LEU TYR LEU ALA          
SEQRES  29 A  403  GLU ILE ASP GLY LYS VAL ILE VAL LYS LEU GLY PRO ARG          
SEQRES  30 A  403  TYR ASP VAL GLY ASN LEU ILE PRO GLY GLY PHE LYS VAL          
SEQRES  31 A  403  ALA ALA HIS GLY ASN ASP TYR ALA VAL TRP GLU LYS ILE          
HET     CA  A 500       1                                                       
HET     CA  A 501       1                                                       
HET     CA  A 502       1                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   2   CA    3(CA 2+)                                                     
FORMUL   5  HOH   *152(H2 O)                                                    
HELIX    1  A1 GLY A   17  ALA A   32  1NO H. BOND BET. G24-O & D27-N     16    
HELIX    2  A2 ASN A   66  LYS A   80  1                                  15    
HELIX    3  A3 ASN A  153  ASP A  170  1                                  18    
HELIX    4  A4 SER A  185  GLU A  197  1                                  13    
HELIX    5  A5 GLN A  221  GLY A  236  1                                  16    
HELIX    6 A6A PHE A  246  VAL A  256  1                                  11    
HELIX    7 A6B MET A  273  TRP A  277  1                                   5    
HELIX    8 A7A ASN A  287  GLY A  291  1                                   5    
HELIX    9 A7B VAL A  304  HIS A  314  1                                  11    
HELIX   10 A8A TYR A  322  ASP A  327  1                                   6    
HELIX   11 A8B LEU A  330  HIS A  344  1                                  15    
SHEET    1   A 9 VAL A   2  GLY A   6  0                                        
SHEET    2   A 9 THR A  35  LEU A  39  1  N  TRP A  38   O  PHE A   4           
SHEET    3   A 9 LYS A  83  ILE A  88  1  N  ILE A  85   O  VAL A  37           
SHEET    4   A 9 GLY A 175  ASP A 179  1  N  ARG A 177   O  ALA A  86           
SHEET    5   A 9 PHE A 200  GLU A 204  1  N  VAL A 202   O  TRP A 176           
SHEET    6   A 9 THR A 243  ASP A 245  1  N  PHE A 244   O  ALA A 203           
SHEET    7   A 9 LYS A 280  THR A 283  1  N  VAL A 282   O  THR A 243           
SHEET    8   A 9 THR A 317  TYR A 322  1  N  CYS A 319   O  THR A 283           
SHEET    9   A 9 VAL A   2  GLY A   6  1  N  GLN A   5   O  ILE A 320           
SHEET    1   C 5 LYS A 351  ASP A 358  0                                        
SHEET    2   C 5 LEU A 361  ASP A 367 -1  N  GLU A 365   O  GLN A 353           
SHEET    3   C 5 LYS A 369  GLY A 375 -1  N  VAL A 372   O  ALA A 364           
SHEET    4   C 5 ASP A 396  ILE A 403 -1  N  TRP A 400   O  ILE A 371           
SHEET    5   C 5 GLY A 387  GLY A 394 -1  N  ALA A 392   O  VAL A 399           
LINK         OD1 ASN A  91                CA    CA A 500     1555   1555  2.11  
LINK         OE1 GLU A 108                CA    CA A 501     1555   1555  2.91  
LINK         OE2 GLU A 108                CA    CA A 501     1555   1555  2.58  
LINK         O   THR A 111                CA    CA A 501     1555   1555  2.37  
LINK         O   ASP A 113                CA    CA A 501     1555   1555  2.23  
LINK         OD1 ASP A 117                CA    CA A 501     1555   1555  2.59  
LINK         OD2 ASP A 117                CA    CA A 501     1555   1555  2.39  
LINK         OD1 ASP A 127                CA    CA A 502     1555   1555  2.59  
LINK         OD2 ASP A 127                CA    CA A 502     1555   1555  2.45  
LINK         OD1 ASP A 138                CA    CA A 500     1555   1555  2.33  
LINK         OD2 ASP A 138                CA    CA A 500     1555   1555  2.75  
LINK         O   ALA A 141                CA    CA A 500     1555   1555  2.09  
LINK         OD1 ASP A 142                CA    CA A 502     1555   1555  2.77  
LINK         OD2 ASP A 142                CA    CA A 502     1555   1555  3.36  
LINK         O   PHE A 143                CA    CA A 502     1555   1555  2.20  
LINK         O   GLY A 144                CA    CA A 502     1555   1555  3.26  
LINK         O   ALA A 146                CA    CA A 502     1555   1555  2.23  
LINK         OD2 ASP A 148                CA    CA A 500     1555   1555  2.60  
LINK         OD1 ASP A 148                CA    CA A 502     1555   1555  2.47  
LINK         O   GLY A 183                CA    CA A 500     1555   1555  2.11  
LINK        CA    CA A 500                 O   HOH A 630     1555   1555  2.12  
LINK        CA    CA A 501                 O   HOH A 604     1555   1555  2.21  
LINK        CA    CA A 501                 O   HOH A 656     1555   1555  2.07  
CISPEP   1 ARG A  128    PRO A  129          0         7.48                     
SITE     1  AS  3 ASP A 179  GLU A 204  ASP A 289                               
SITE     1  SS  2 TRP A 276  TRP A 277                                          
SITE     1 AC1  6 ASN A  91  ASP A 138  ALA A 141  ASP A 148                    
SITE     2 AC1  6 GLY A 183  HOH A 630                                          
SITE     1 AC2  6 GLU A 108  THR A 111  ASP A 113  ASP A 117                    
SITE     2 AC2  6 HOH A 604  HOH A 656                                          
SITE     1 AC3  6 ASP A 127  ASP A 142  PHE A 143  GLY A 144                    
SITE     2 AC3  6 ALA A 146  ASP A 148                                          
CRYST1  135.200  135.200   79.600  90.00  90.00 120.00 P 31 2 1      6          
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      0.007396  0.004270  0.000000        0.00000                         
SCALE2      0.000000  0.008541  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012563        0.00000