HEADER    TRANSFERASE                             19-SEP-13   4MT8              
TITLE     STRUCTURE OF THE ERS1 DIMERIZATION AND HISTIDINE PHOSPHOTRANSFER      
TITLE    2 DOMAIN FROM ARABIDOPSIS THALIANA                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ETHYLENE RESPONSE SENSOR 1;                                
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: DIMERIZATION AND HISTIDINE PHOSPHOTRANSFER DOMAIN RESIDUES 
COMPND   5 308-407;                                                             
COMPND   6 SYNONYM: ATERS1, PROTEIN ERS1;                                       
COMPND   7 EC: 2.7.11.-, 2.7.13.3;                                              
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA;                           
SOURCE   3 ORGANISM_COMMON: MOUSE-EAR CRESS,THALE-CRESS;                        
SOURCE   4 ORGANISM_TAXID: 3702;                                                
SOURCE   5 GENE: AT2G40940, ERS, ERS1, T20B5.14;                                
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR: PETM11/LIC                                 
KEYWDS    FOUR HELIX BUNDLE, HISTIDINE KINASE, CTR1, ER MEMBRANE, TRANSFERASE   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.MAYERHOFER,J.MUELLER-DIECKMANN                                      
REVDAT   4   28-FEB-24 4MT8    1       SEQADV                                   
REVDAT   3   18-MAR-15 4MT8    1       JRNL                                     
REVDAT   2   17-DEC-14 4MT8    1       JRNL                                     
REVDAT   1   01-OCT-14 4MT8    0                                                
JRNL        AUTH   H.MAYERHOFER,S.PANNEERSELVAM,H.KALJUNEN,A.TUUKKANEN,         
JRNL        AUTH 2 H.D.MERTENS,J.MUELLER-DIECKMANN                              
JRNL        TITL   STRUCTURAL MODEL OF THE CYTOSOLIC DOMAIN OF THE PLANT        
JRNL        TITL 2 ETHYLENE RECEPTOR 1 (ETR1).                                  
JRNL        REF    J.BIOL.CHEM.                  V. 290  2644 2015              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   25451923                                                     
JRNL        DOI    10.1074/JBC.M114.587667                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: DEV_1092)                     
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 49.30                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 22919                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.196                           
REMARK   3   R VALUE            (WORKING SET) : 0.195                           
REMARK   3   FREE R VALUE                     : 0.227                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.060                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1159                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 49.3902 -  3.7995    0.99     2838   143  0.1949 0.2391        
REMARK   3     2  3.7995 -  3.0159    1.00     2764   136  0.1967 0.1940        
REMARK   3     3  3.0159 -  2.6347    1.00     2739   138  0.1795 0.1998        
REMARK   3     4  2.6347 -  2.3938    1.00     2692   140  0.1743 0.2075        
REMARK   3     5  2.3938 -  2.2222    1.00     2695   147  0.1870 0.2320        
REMARK   3     6  2.2222 -  2.0912    1.00     2690   148  0.2020 0.2811        
REMARK   3     7  2.0912 -  1.9865    1.00     2663   160  0.2302 0.2698        
REMARK   3     8  1.9865 -  1.9000    1.00     2679   147  0.2716 0.3131        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.200            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.280           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 43.70                          
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.018           1578                                  
REMARK   3   ANGLE     :  1.509           2129                                  
REMARK   3   CHIRALITY :  0.088            258                                  
REMARK   3   PLANARITY :  0.008            275                                  
REMARK   3   DIHEDRAL  : 15.070            608                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 4                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 307 THROUGH 371 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  23.4636  30.5333  14.6731              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2626 T22:   0.2757                                     
REMARK   3      T33:   0.3297 T12:   0.0015                                     
REMARK   3      T13:   0.1315 T23:   0.0275                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.5752 L22:   6.5340                                     
REMARK   3      L33:   1.1574 L12:  -2.1060                                     
REMARK   3      L13:  -0.1415 L23:   1.2039                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0383 S12:  -0.0682 S13:   0.2966                       
REMARK   3      S21:   0.3041 S22:   0.1013 S23:  -0.5585                       
REMARK   3      S31:  -0.3507 S32:  -0.1492 S33:  -0.1573                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 372 THROUGH 406 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  33.0204   0.3564   6.1868              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0879 T22:   0.2340                                     
REMARK   3      T33:   0.1409 T12:   0.0051                                     
REMARK   3      T13:  -0.0086 T23:   0.0145                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.0010 L22:   2.6298                                     
REMARK   3      L33:   3.0849 L12:  -1.5833                                     
REMARK   3      L13:   0.1334 L23:  -0.1839                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1178 S12:   0.0194 S13:   0.0600                       
REMARK   3      S21:  -0.2130 S22:   0.1673 S23:  -0.3059                       
REMARK   3      S31:   0.0011 S32:   0.2441 S33:  -0.2369                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN 'B' AND (RESID 312 THROUGH 350 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  21.4842  42.5571   6.5500              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.7370 T22:   0.3299                                     
REMARK   3      T33:   0.6206 T12:   0.0667                                     
REMARK   3      T13:   0.4315 T23:   0.0213                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.6637 L22:   7.3243                                     
REMARK   3      L33:   0.3853 L12:  -1.1507                                     
REMARK   3      L13:   0.3163 L23:   0.3511                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1856 S12:   0.0345 S13:   0.5082                       
REMARK   3      S21:  -1.0875 S22:   0.3351 S23:  -0.0118                       
REMARK   3      S31:  -0.7419 S32:  -0.0315 S33:  -0.3544                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: CHAIN 'B' AND (RESID 351 THROUGH 407 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  24.2287  -0.8569  11.6704              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0807 T22:   0.2571                                     
REMARK   3      T33:   0.2118 T12:  -0.0533                                     
REMARK   3      T13:   0.0033 T23:   0.0500                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.8633 L22:   2.6188                                     
REMARK   3      L33:   3.2081 L12:  -0.5623                                     
REMARK   3      L13:   0.4603 L23:  -0.1869                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.2415 S12:  -0.1871 S13:  -0.1973                       
REMARK   3      S21:  -0.1876 S22:   0.1353 S23:   0.5558                       
REMARK   3      S31:   0.1362 S32:  -0.2818 S33:  -0.2635                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4MT8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-SEP-13.                  
REMARK 100 THE DEPOSITION ID IS D_1000082335.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-MAR-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID29                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.923                              
REMARK 200  MONOCHROMATOR                  : SI(311) AND SI(111)                
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : PSI PILATUS 6M                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22944                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 49.300                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY                : 6.600                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.6                               
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: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: SHELX                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 60.58                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.12                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.18 M L-PROLINE, 0.1 M HEPES PH 7.5,    
REMARK 280  9% PEG 3350, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K        
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       38.58850            
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       38.58850            
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       37.52100            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       49.37350            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       37.52100            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       49.37350            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       38.58850            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       37.52100            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       49.37350            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       38.58850            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       37.52100            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       49.37350            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: ASYMMETRIC DIMER                                             
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4050 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12040 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -48.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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 531  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   306                                                      
REMARK 465     ASP A   407                                                      
REMARK 465     GLY B   306                                                      
REMARK 465     ALA B   307                                                      
REMARK 465     SER B   308                                                      
REMARK 465     HIS B   309                                                      
REMARK 465     ALA B   310                                                      
REMARK 465     ALA B   311                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH B   524     O    HOH B   526              1.92            
REMARK 500   O    GLN A   322     O    HOH A   522              1.93            
REMARK 500   O    HOH B   536     O    HOH B   539              2.03            
REMARK 500   O    HOH A   523     O    HOH A   524              2.14            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   535     O    HOH A   536     7545     2.11            
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    VAL B 380   CB    VAL B 380   CG1    -0.149                       
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 B 334   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ARG B 334   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4MTX   RELATED DB: PDB                                   
DBREF  4MT8 A  308   407  UNP    Q38846   ERS1_ARATH     308    407             
DBREF  4MT8 B  308   407  UNP    Q38846   ERS1_ARATH     308    407             
SEQADV 4MT8 GLY A  306  UNP  Q38846              EXPRESSION TAG                 
SEQADV 4MT8 ALA A  307  UNP  Q38846              EXPRESSION TAG                 
SEQADV 4MT8 GLY B  306  UNP  Q38846              EXPRESSION TAG                 
SEQADV 4MT8 ALA B  307  UNP  Q38846              EXPRESSION TAG                 
SEQRES   1 A  102  GLY ALA SER HIS ALA ALA ILE LEU GLU GLU SER MET HIS          
SEQRES   2 A  102  ALA ARG ASP GLN LEU MET GLU GLN ASN PHE ALA LEU ASP          
SEQRES   3 A  102  LYS ALA ARG GLN GLU ALA GLU MET ALA VAL HIS ALA ARG          
SEQRES   4 A  102  ASN ASP PHE LEU ALA VAL MET ASN HIS GLU MET ARG THR          
SEQRES   5 A  102  PRO MET HIS ALA ILE ILE SER LEU SER SER LEU LEU LEU          
SEQRES   6 A  102  GLU THR GLU LEU SER PRO GLU GLN ARG VAL MET ILE GLU          
SEQRES   7 A  102  THR ILE LEU LYS SER SER ASN LEU VAL ALA THR LEU ILE          
SEQRES   8 A  102  SER ASP VAL LEU ASP LEU SER ARG LEU GLU ASP                  
SEQRES   1 B  102  GLY ALA SER HIS ALA ALA ILE LEU GLU GLU SER MET HIS          
SEQRES   2 B  102  ALA ARG ASP GLN LEU MET GLU GLN ASN PHE ALA LEU ASP          
SEQRES   3 B  102  LYS ALA ARG GLN GLU ALA GLU MET ALA VAL HIS ALA ARG          
SEQRES   4 B  102  ASN ASP PHE LEU ALA VAL MET ASN HIS GLU MET ARG THR          
SEQRES   5 B  102  PRO MET HIS ALA ILE ILE SER LEU SER SER LEU LEU LEU          
SEQRES   6 B  102  GLU THR GLU LEU SER PRO GLU GLN ARG VAL MET ILE GLU          
SEQRES   7 B  102  THR ILE LEU LYS SER SER ASN LEU VAL ALA THR LEU ILE          
SEQRES   8 B  102  SER ASP VAL LEU ASP LEU SER ARG LEU GLU ASP                  
FORMUL   3  HOH   *84(H2 O)                                                     
HELIX    1   1 SER A  308  GLU A  371  1                                  64    
HELIX    2   2 SER A  375  ARG A  404  1                                  30    
HELIX    3   3 LEU B  313  MET B  351  1                                  39    
HELIX    4   4 MET B  351  LEU B  370  1                                  20    
HELIX    5   5 SER B  375  ARG B  404  1                                  30    
CRYST1   75.042   98.747   77.177  90.00  90.00  90.00 C 2 2 21     16          
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      0.013326  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010127  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012957        0.00000