HEADER    PROTEIN BINDING                         19-AUG-04   1X91              
TITLE     CRYSTAL STRUCTURE OF MUTANT FORM A OF A PECTIN METHYLESTERASE         
TITLE    2 INHIBITOR FROM ARABIDOPSIS                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: INVERTASE/PECTIN METHYLESTERASE INHIBITOR FAMILY PROTEIN;  
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 1-149;                                            
COMPND   5 SYNONYM: PECTIN METHYLESTERASE INHIBITOR;                            
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA;                           
SOURCE   3 ORGANISM_COMMON: THALE CRESS;                                        
SOURCE   4 ORGANISM_TAXID: 3702;                                                
SOURCE   5 TISSUE: APOPLAST-CELL WALL;                                          
SOURCE   6 GENE: AT1G48020;                                                     
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: ORIGAMI (DE3);                             
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PETM 20                                   
KEYWDS    FOUR-HELIX BUNDLE, ALPHA HAIRPIN, DISULFIDE BRIDGE, DOMAIN-SWAPPING,  
KEYWDS   2 LINKER, PROLINE, MUTANT, PROTEIN BINDING                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.HOTHORN,S.WOLF,P.ALOY,S.GREINER,K.SCHEFFZEK                         
REVDAT   5   20-NOV-24 1X91    1       REMARK                                   
REVDAT   4   25-OCT-23 1X91    1       REMARK                                   
REVDAT   3   10-NOV-21 1X91    1       SEQADV                                   
REVDAT   2   24-FEB-09 1X91    1       VERSN                                    
REVDAT   1   28-DEC-04 1X91    0                                                
JRNL        AUTH   M.HOTHORN,S.WOLF,P.ALOY,S.GREINER,K.SCHEFFZEK                
JRNL        TITL   STRUCTURAL INSIGHTS INTO THE TARGET SPECIFICITY OF PLANT     
JRNL        TITL 2 INVERTASE AND PECTIN METHYLESTERASE INHIBITORY PROTEINS      
JRNL        REF    PLANT CELL                    V.  16  3437 2004              
JRNL        REFN                   ISSN 1040-4651                               
JRNL        PMID   15528298                                                     
JRNL        DOI    10.1105/TPC.104.025684                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
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  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 54.23                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 23639                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : TROUGHOUT                       
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.185                           
REMARK   3   R VALUE            (WORKING SET) : 0.184                           
REMARK   3   FREE R VALUE                     : 0.207                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1245                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1114                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 104                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 15.28                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : NULL  ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; 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  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1X91 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-AUG-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000030091.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-APR-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.933                              
REMARK 200  MONOCHROMATOR                  : DIAMOND (111), GE(220)             
REMARK 200  OPTICS                         : TOROIDAL MIRROR                    
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS V. DEC. 2003                   
REMARK 200  DATA SCALING SOFTWARE          : XDS VERSION DEC. 2003              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 24884                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 54.230                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : 0.05300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.54                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.35800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1X90 CHAIN A                               
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M (NH4)2SO4, 0.3M NA/K TARTRATE,      
REMARK 280  0.1M NA CITRATE, PH 5.6, VAPOR DIFFUSION, HANGING DROP,             
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       54.19950            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       31.22000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       54.19950            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       31.22000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICALLY ASSEMBLY IS CONSISTENT WITH THE CONTENT OF  
REMARK 300 THE ASYMMETRIC UNIT, MONOMER                                         
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 234  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 237  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     GLY A    -3                                                      
REMARK 465     ALA A    -2                                                      
REMARK 465     MET A    -1                                                      
REMARK 465     ASP A     0                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     GLU A    3   OE1  OE2                                            
REMARK 480     MET A    4   SD                                                  
REMARK 480     GLN A   42   NE2                                                 
REMARK 480     ARG A   44   CD   NH1  NH2                                       
REMARK 480     LYS A   50   CD   CE                                             
REMARK 480     LYS A   51   CD   NZ                                             
REMARK 480     LYS A   65   CE   NZ                                             
REMARK 480     LEU A   66   CD1  CD2                                            
REMARK 480     ARG A   69   CZ   NH1  NH2                                       
REMARK 480     MET A   95   CE                                                  
REMARK 480     LYS A  116   CD   CE   NZ                                        
REMARK 480     ARG A  117   CB   CD   NE   CZ   NH1  NH2                        
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   OG   SER A    70     OD2  ASP A   114              2.15            
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   3   CD    GLU A   3   OE2    -0.088                       
REMARK 500    ARG A  44   CD    ARG A  44   NE     -0.274                       
REMARK 500    ARG A  44   CZ    ARG A  44   NH1     0.170                       
REMARK 500    ARG A  44   CZ    ARG A  44   NH2     0.141                       
REMARK 500    ALA A  45   C     THR A  46   N       0.245                       
REMARK 500    THR A  46   C     GLN A  47   N       0.225                       
REMARK 500    LYS A  50   CE    LYS A  50   NZ      0.199                       
REMARK 500    LYS A  51   CD    LYS A  51   CE      0.158                       
REMARK 500    LYS A  65   CD    LYS A  65   CE     -0.281                       
REMARK 500    GLU A  76   C     SER A  77   N       0.235                       
REMARK 500    SER A  77   C     ALA A  78   N       0.139                       
REMARK 500    PHE A  86   C     GLU A  87   N       0.145                       
REMARK 500    ALA A  90   C     SER A  91   N       0.239                       
REMARK 500    GLY A  94   C     MET A  95   N       0.147                       
REMARK 500    MET A  95   C     GLY A  96   N       0.146                       
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    ARG A  44   NH1 -  CZ  -  NH2 ANGL. DEV. = -18.0 DEGREES          
REMARK 500    ARG A  44   NE  -  CZ  -  NH2 ANGL. DEV. =  15.4 DEGREES          
REMARK 500    LYS A  50   CB  -  CG  -  CD  ANGL. DEV. =  19.0 DEGREES          
REMARK 500    LYS A  51   CG  -  CD  -  CE  ANGL. DEV. =  18.5 DEGREES          
REMARK 500    LYS A  51   CD  -  CE  -  NZ  ANGL. DEV. = -14.0 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    PHE A  25       68.38     33.32                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1RJ1   RELATED DB: PDB                                   
REMARK 900 STRUCTURALLY RELATED INVERTASE INHIBITOR                             
REMARK 900 RELATED ID: 1X8Z   RELATED DB: PDB                                   
REMARK 900 WILD-TYPE PECTIN METHYLESTERASE INHIBITOR STRUCTURE                  
REMARK 900 RELATED ID: 1X90   RELATED DB: PDB                                   
REMARK 900 PECTIN METHYLESTERASE INHIBITOR MUTANT FORM B STRUCTURE              
DBREF  1X91 A    1   149  UNP    Q9LNF2   Q9LNF2_ARATH    28    176             
SEQADV 1X91 GLY A   -3  UNP  Q9LNF2              CLONING ARTIFACT               
SEQADV 1X91 ALA A   -2  UNP  Q9LNF2              CLONING ARTIFACT               
SEQADV 1X91 MET A   -1  UNP  Q9LNF2              CLONING ARTIFACT               
SEQADV 1X91 ASP A    0  UNP  Q9LNF2              CLONING ARTIFACT               
SEQADV 1X91 ALA A   28  UNP  Q9LNF2    PRO    55 ENGINEERED MUTATION            
SEQRES   1 A  153  GLY ALA MET ASP SER SER GLU MET SER THR ILE CYS ASP          
SEQRES   2 A  153  LYS THR LEU ASN PRO SER PHE CYS LEU LYS PHE LEU ASN          
SEQRES   3 A  153  THR LYS PHE ALA SER ALA ASN LEU GLN ALA LEU ALA LYS          
SEQRES   4 A  153  THR THR LEU ASP SER THR GLN ALA ARG ALA THR GLN THR          
SEQRES   5 A  153  LEU LYS LYS LEU GLN SER ILE ILE ASP GLY GLY VAL ASP          
SEQRES   6 A  153  PRO ARG SER LYS LEU ALA TYR ARG SER CYS VAL ASP GLU          
SEQRES   7 A  153  TYR GLU SER ALA ILE GLY ASN LEU GLU GLU ALA PHE GLU          
SEQRES   8 A  153  HIS LEU ALA SER GLY ASP GLY MET GLY MET ASN MET LYS          
SEQRES   9 A  153  VAL SER ALA ALA LEU ASP GLY ALA ASP THR CYS LEU ASP          
SEQRES  10 A  153  ASP VAL LYS ARG LEU ARG SER VAL ASP SER SER VAL VAL          
SEQRES  11 A  153  ASN ASN SER LYS THR ILE LYS ASN LEU CYS GLY ILE ALA          
SEQRES  12 A  153  LEU VAL ILE SER ASN MET LEU PRO ARG ASN                      
FORMUL   2  HOH   *104(H2 O)                                                    
HELIX    1   1 THR A    6  THR A   11  5                                   6    
HELIX    2   2 ASN A   13  LYS A   24  1                                  12    
HELIX    3   3 ASN A   29  GLY A   59  1                                  31    
HELIX    4   4 ASP A   61  SER A   91  1                                  31    
HELIX    5   5 ASP A   93  LYS A  116  1                                  24    
HELIX    6   6 ASP A  122  LEU A  146  1                                  25    
SSBOND   1 CYS A    8    CYS A   17                          1555   1555  2.06  
SSBOND   2 CYS A   71    CYS A  111                          1555   1555  2.13  
CRYST1  108.399   62.440   23.338  90.00  94.05  90.00 C 1 2 1       4          
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      0.009225  0.000000  0.000653        0.00000                         
SCALE2      0.000000  0.016015  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.042956        0.00000