HEADER    DNA BINDING PROTEIN                     02-MAY-03   1P7J              
TITLE     CRYSTAL STRUCTURE OF ENGRAILED HOMEODOMAIN MUTANT K52E                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SEGMENTATION POLARITY HOMEOBOX PROTEIN ENGRAILED;          
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 FRAGMENT: HOMEODOMAIN;                                               
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER;                        
SOURCE   3 ORGANISM_COMMON: FRUIT FLY;                                          
SOURCE   4 ORGANISM_TAXID: 7227;                                                
SOURCE   5 GENE: EN;                                                            
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: C41;                                       
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET3A                                     
KEYWDS    DNA BINDING PROTEIN                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.J.STOLLAR,U.MAYOR,S.C.LOVELL,L.FEDERICI,S.M.FREUND,A.R.FERSHT,      
AUTHOR   2 B.F.LUISI                                                            
REVDAT   7   16-AUG-23 1P7J    1       REMARK                                   
REVDAT   6   27-OCT-21 1P7J    1       REMARK SEQADV                            
REVDAT   5   13-JUL-11 1P7J    1       VERSN                                    
REVDAT   4   23-JUN-09 1P7J    1       REMARK                                   
REVDAT   3   24-FEB-09 1P7J    1       VERSN                                    
REVDAT   2   04-NOV-03 1P7J    1       JRNL                                     
REVDAT   1   14-OCT-03 1P7J    0                                                
JRNL        AUTH   E.J.STOLLAR,U.MAYOR,S.C.LOVELL,L.FEDERICI,S.M.FREUND,        
JRNL        AUTH 2 A.R.FERSHT,B.F.LUISI                                         
JRNL        TITL   CRYSTAL STRUCTURES OF ENGRAILED HOMEODOMAIN MUTANTS:         
JRNL        TITL 2 IMPLICATIONS FOR STABILITY AND DYNAMICS                      
JRNL        REF    J.BIOL.CHEM.                  V. 278 43699 2003              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   12923178                                                     
JRNL        DOI    10.1074/JBC.M308029200                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   N.D.CLARKE,C.R.KISSINGER,J.DESJARLAIS,G.L.GILLILAND,C.O.PABO 
REMARK   1  TITL   STRUCTURAL STUDIES OF THE ENGRAILED HOMEODOMAIN              
REMARK   1  REF    PROTEIN SCI.                  V.   3  1779 1994              
REMARK   1  REFN                   ISSN 0961-8368                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   E.FRAENKEL,M.A.ROULD,K.A.CHAMBERS,C.O.PABO                   
REMARK   1  TITL   ENGRAILED HOMEODOMAIN-DNA COMPLEX AT 2.2 A RESOLUTION: A     
REMARK   1  TITL 2 DETAILED VIEW OF THE INTERFACE AND COMPARISON WITH OTHER     
REMARK   1  TITL 3 ENGRAILED STRUCTURES                                         
REMARK   1  REF    J.MOL.BIOL.                   V. 284   351 1998              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  DOI    10.1006/JMBI.1998.2147                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.0                                           
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.25                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 14837                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.200                           
REMARK   3   R VALUE            (WORKING SET) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.241                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 777                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.16                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 975                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2120                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 57                           
REMARK   3   BIN FREE R VALUE                    : 0.2550                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1732                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 13                                      
REMARK   3   SOLVENT ATOMS            : 168                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : 23.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.29                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.220         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.186         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.181         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.624         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.939                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.918                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1766 ; 0.010 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  1612 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2356 ; 1.213 ; 1.938       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  3727 ; 0.638 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   205 ; 2.934 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   338 ;12.587 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   244 ; 0.070 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1969 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   405 ; 0.002 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   434 ; 0.235 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  1535 ; 0.188 ; 0.300       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   118 ; 0.187 ; 0.500       
REMARK   3   H-BOND (X...Y) OTHERS             (A):     3 ; 0.088 ; 0.500       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    24 ; 0.184 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):    70 ; 0.247 ; 0.300       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    17 ; 0.184 ; 0.500       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1040 ; 2.525 ; 5.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1632 ; 3.882 ; 6.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   726 ; 3.968 ; 6.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   724 ; 5.845 ; 7.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 10                                         
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     3        A     6                          
REMARK   3    ORIGIN FOR THE GROUP (A):  42.1002  35.1391  47.7928              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.6571 T22:   1.0584                                     
REMARK   3      T33:   0.9908 T12:   0.5201                                     
REMARK   3      T13:  -0.0603 T23:  -0.1259                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:-108.8714 L22: 134.9911                                     
REMARK   3      L33: 337.5146 L12:  28.0783                                     
REMARK   3      L13:  95.6532 L23:-240.6898                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   4.4279 S12:  -0.4335 S13:   3.5591                       
REMARK   3      S21:  -6.4829 S22:   0.6723 S23:   5.2256                       
REMARK   3      S31:  11.7251 S32:   8.8906 S33:  -5.1002                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     7        A    51                          
REMARK   3    ORIGIN FOR THE GROUP (A):  30.9334  38.6723  56.2396              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1667 T22:   0.1173                                     
REMARK   3      T33:   0.1086 T12:   0.0036                                     
REMARK   3      T13:   0.0033 T23:   0.0201                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.7220 L22:   1.2879                                     
REMARK   3      L33:   0.3881 L12:  -0.0226                                     
REMARK   3      L13:  -0.1272 L23:  -0.1030                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0314 S12:   0.1005 S13:  -0.0137                       
REMARK   3      S21:  -0.0863 S22:   0.0072 S23:  -0.0226                       
REMARK   3      S31:   0.0485 S32:  -0.0138 S33:   0.0242                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    52        A    55                          
REMARK   3    ORIGIN FOR THE GROUP (A):  27.0045  30.4598  49.1633              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2171 T22:   0.1179                                     
REMARK   3      T33:   0.2069 T12:   0.0268                                     
REMARK   3      T13:   0.0120 T23:  -0.0707                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.8941 L22:  -4.1562                                     
REMARK   3      L33:  10.7239 L12:   8.7150                                     
REMARK   3      L13:  -1.6261 L23:  10.4559                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.2736 S12:   0.4758 S13:  -1.3416                       
REMARK   3      S21:  -0.0239 S22:   0.2125 S23:   0.2398                       
REMARK   3      S31:   0.1856 S32:   0.3935 S33:  -0.4861                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B     7        B    51                          
REMARK   3    ORIGIN FOR THE GROUP (A):  35.3970   9.5209  18.7995              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1665 T22:   0.1202                                     
REMARK   3      T33:   0.1143 T12:   0.0035                                     
REMARK   3      T13:   0.0071 T23:   0.0232                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.9841 L22:   1.0588                                     
REMARK   3      L33:   4.2287 L12:  -0.4466                                     
REMARK   3      L13:   0.9833 L23:  -1.2389                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0254 S12:  -0.0875 S13:   0.0101                       
REMARK   3      S21:   0.0620 S22:  -0.0718 S23:  -0.0102                       
REMARK   3      S31:  -0.0506 S32:   0.0402 S33:   0.0972                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B    52        B    55                          
REMARK   3    ORIGIN FOR THE GROUP (A):  35.9252   0.4313  25.6655              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2556 T22:   0.0775                                     
REMARK   3      T33:   0.0974 T12:  -0.0451                                     
REMARK   3      T13:  -0.0024 T23:   0.0272                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:  -1.6975 L22:  -4.2404                                     
REMARK   3      L33:  17.7934 L12:  -3.4241                                     
REMARK   3      L13:  -0.5295 L23:   1.4081                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0170 S12:   0.0137 S13:   0.1857                       
REMARK   3      S21:  -0.7701 S22:  -0.2177 S23:  -0.1911                       
REMARK   3      S31:   0.4651 S32:  -0.6563 S33:   0.2007                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 6                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   C     6        C    51                          
REMARK   3    ORIGIN FOR THE GROUP (A):   2.8965  31.9988  16.4648              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1235 T22:   0.1363                                     
REMARK   3      T33:   0.1546 T12:  -0.0194                                     
REMARK   3      T13:  -0.0205 T23:  -0.0940                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   4.7476 L22:   1.0464                                     
REMARK   3      L33:   2.4933 L12:  -0.3600                                     
REMARK   3      L13:   0.1478 L23:  -0.0190                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0533 S12:   0.1331 S13:   0.1342                       
REMARK   3      S21:   0.0593 S22:   0.0195 S23:   0.0542                       
REMARK   3      S31:   0.0394 S32:  -0.0695 S33:   0.0338                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 7                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   C    52        C    57                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -2.6698  38.8963   6.9013              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1640 T22:   0.1864                                     
REMARK   3      T33:   0.0651 T12:  -0.0705                                     
REMARK   3      T13:  -0.0691 T23:   0.0896                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.8733 L22:   9.4790                                     
REMARK   3      L33:  35.8324 L12:   5.2173                                     
REMARK   3      L13:  17.6987 L23: -21.1707                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.4267 S12:   1.3156 S13:   0.4643                       
REMARK   3      S21:  -1.3764 S22:   0.5280 S23:   0.4787                       
REMARK   3      S31:  -0.9656 S32:   0.6594 S33:  -0.1013                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 8                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   D     1        D     6                          
REMARK   3    ORIGIN FOR THE GROUP (A):   9.6896   2.3534  31.6516              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2762 T22:   0.6676                                     
REMARK   3      T33:   0.2494 T12:   0.2170                                     
REMARK   3      T13:   0.0501 T23:   0.0037                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:-574.3385 L22: 573.9752                                     
REMARK   3      L33:-487.7650 L12:-222.0714                                     
REMARK   3      L13:-125.0780 L23: 317.4766                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   3.5647 S12:  12.0848 S13:  -1.4978                       
REMARK   3      S21:  -0.2795 S22:   2.8721 S23:   2.7602                       
REMARK   3      S31:   0.8190 S32:   0.8872 S33:  -6.4369                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 9                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   D     7        D    51                          
REMARK   3    ORIGIN FOR THE GROUP (A):  19.5175   5.3562  39.5879              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1092 T22:   0.1109                                     
REMARK   3      T33:   0.1792 T12:  -0.0015                                     
REMARK   3      T13:  -0.0083 T23:   0.1123                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   6.0381 L22:   1.0095                                     
REMARK   3      L33:   2.0695 L12:   1.4138                                     
REMARK   3      L13:  -1.8061 L23:  -0.3891                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0563 S12:   0.1994 S13:   0.4070                       
REMARK   3      S21:  -0.0336 S22:   0.1075 S23:   0.0825                       
REMARK   3      S31:   0.0032 S32:  -0.1124 S33:  -0.0512                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 10                                                     
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   D    52        D    58                          
REMARK   3    ORIGIN FOR THE GROUP (A):  25.0597  -1.6346  29.3803              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1768 T22:   0.1351                                     
REMARK   3      T33:   0.0948 T12:  -0.1346                                     
REMARK   3      T13:  -0.0155 T23:   0.0670                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:  19.6329 L22:   3.4144                                     
REMARK   3      L33:  16.6411 L12:  -5.0817                                     
REMARK   3      L13: -14.3955 L23:   7.1444                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.4737 S12:   1.3942 S13:   0.0484                       
REMARK   3      S21:   0.1169 S22:  -0.6060 S23:  -0.4105                       
REMARK   3      S31:  -0.1154 S32:  -1.1687 S33:   1.0797                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1P7J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-MAY-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000019105.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 9.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SRS                                
REMARK 200  BEAMLINE                       : PX14.2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9779                             
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 : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 15614                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 19.240                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : 10.10                              
REMARK 200  R MERGE                    (I) : 0.06400                            
REMARK 200  R SYM                      (I) : 0.06400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 22.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.14                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.15400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: EPMR                                                  
REMARK 200 STARTING MODEL: PDB ENTRY 1ENH                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.61                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 3000, 100MM 2                    
REMARK 280  -(CYCLOHEXYLAMINO)ETHANESULFONIC ACID (CHES), PH 9.5, VAPOR         
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 293K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       22.42500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       56.39250            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       25.83950            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       56.39250            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.42500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       25.83950            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3, 4                                              
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 4                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: D                                     
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 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     GLU A     1                                                      
REMARK 465     LYS A     2                                                      
REMARK 465     ILE A    56                                                      
REMARK 465     LYS A    57                                                      
REMARK 465     LYS A    58                                                      
REMARK 465     SER A    59                                                      
REMARK 465     GLU B     1                                                      
REMARK 465     LYS B     2                                                      
REMARK 465     ARG B     3                                                      
REMARK 465     PRO B     4                                                      
REMARK 465     ARG B     5                                                      
REMARK 465     THR B     6                                                      
REMARK 465     LYS B    58                                                      
REMARK 465     SER B    59                                                      
REMARK 465     GLU C     1                                                      
REMARK 465     LYS C     2                                                      
REMARK 465     ARG C     3                                                      
REMARK 465     PRO C     4                                                      
REMARK 465     ARG C     5                                                      
REMARK 465     LYS C    58                                                      
REMARK 465     SER C    59                                                      
REMARK 465     GLU D     1                                                      
REMARK 465     LYS D     2                                                      
REMARK 465     ARG D     3                                                      
REMARK 465     PRO D     4                                                      
REMARK 465     ARG D     5                                                      
REMARK 465     SER D    59                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ARG A   3    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     PRO A   4    CG   CD                                             
REMARK 470     ARG A   5    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     THR A   6    OG1  CG2                                            
REMARK 470     ARG A  29    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU B  28    CG   CD   OE1  OE2                                  
REMARK 470     ILE B  56    CG1  CG2  CD1                                       
REMARK 470     LYS B  57    CG   CD   CE   NZ                                   
REMARK 470     THR C   6    OG1  CG2                                            
REMARK 470     GLU C  28    CG   CD   OE1  OE2                                  
REMARK 470     ILE C  56    CG1  CG2  CD1                                       
REMARK 470     LYS C  57    CG   CD   CE   NZ                                   
REMARK 470     THR D   6    OG1  CG2                                            
REMARK 470     ARG D  29    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLN D  33    CG   CD   OE1  NE2                                  
REMARK 470     LYS D  57    CG   CD   CE   NZ                                   
REMARK 470     LYS D  58    CG   CD   CE   NZ                                   
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    THR A     6     O    HOH A   545              2.10            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASN C  23      116.43   -162.80                                   
REMARK 500    ILE C  56      -32.75    -37.77                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NHE A 500                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1ENH   RELATED DB: PDB                                   
REMARK 900 WILD TYPE PROTEIN DNA-FREE FORM                                      
REMARK 900 RELATED ID: 3HDD   RELATED DB: PDB                                   
REMARK 900 WILD TYPE PROTEIN DNA-BOUND FORM                                     
REMARK 900 RELATED ID: 1DUO   RELATED DB: PDB                                   
REMARK 900 Q50A PROTEIN DNA-BOUND FORM                                          
REMARK 900 RELATED ID: 2HDD   RELATED DB: PDB                                   
REMARK 900 Q50K PROTEIN DNA-BOUND FORM                                          
REMARK 900 RELATED ID: 1P7I   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ENGRAILED HOMEODOMAIN MUTANT: IMPLICATIONS FOR  
REMARK 900 STABILITY AND PLASTICITY                                             
DBREF  1P7J A    1    59  UNP    P02836   HMEN_DROME     454    512             
DBREF  1P7J B    1    59  UNP    P02836   HMEN_DROME     454    512             
DBREF  1P7J C    1    59  UNP    P02836   HMEN_DROME     454    512             
DBREF  1P7J D    1    59  UNP    P02836   HMEN_DROME     454    512             
SEQADV 1P7J GLU A   52  UNP  P02836    LYS   505 ENGINEERED MUTATION            
SEQADV 1P7J GLU B   52  UNP  P02836    LYS   505 ENGINEERED MUTATION            
SEQADV 1P7J GLU C   52  UNP  P02836    LYS   505 ENGINEERED MUTATION            
SEQADV 1P7J GLU D   52  UNP  P02836    LYS   505 ENGINEERED MUTATION            
SEQRES   1 A   59  GLU LYS ARG PRO ARG THR ALA PHE SER SER GLU GLN LEU          
SEQRES   2 A   59  ALA ARG LEU LYS ARG GLU PHE ASN GLU ASN ARG TYR LEU          
SEQRES   3 A   59  THR GLU ARG ARG ARG GLN GLN LEU SER SER GLU LEU GLY          
SEQRES   4 A   59  LEU ASN GLU ALA GLN ILE LYS ILE TRP PHE GLN ASN GLU          
SEQRES   5 A   59  ARG ALA LYS ILE LYS LYS SER                                  
SEQRES   1 B   59  GLU LYS ARG PRO ARG THR ALA PHE SER SER GLU GLN LEU          
SEQRES   2 B   59  ALA ARG LEU LYS ARG GLU PHE ASN GLU ASN ARG TYR LEU          
SEQRES   3 B   59  THR GLU ARG ARG ARG GLN GLN LEU SER SER GLU LEU GLY          
SEQRES   4 B   59  LEU ASN GLU ALA GLN ILE LYS ILE TRP PHE GLN ASN GLU          
SEQRES   5 B   59  ARG ALA LYS ILE LYS LYS SER                                  
SEQRES   1 C   59  GLU LYS ARG PRO ARG THR ALA PHE SER SER GLU GLN LEU          
SEQRES   2 C   59  ALA ARG LEU LYS ARG GLU PHE ASN GLU ASN ARG TYR LEU          
SEQRES   3 C   59  THR GLU ARG ARG ARG GLN GLN LEU SER SER GLU LEU GLY          
SEQRES   4 C   59  LEU ASN GLU ALA GLN ILE LYS ILE TRP PHE GLN ASN GLU          
SEQRES   5 C   59  ARG ALA LYS ILE LYS LYS SER                                  
SEQRES   1 D   59  GLU LYS ARG PRO ARG THR ALA PHE SER SER GLU GLN LEU          
SEQRES   2 D   59  ALA ARG LEU LYS ARG GLU PHE ASN GLU ASN ARG TYR LEU          
SEQRES   3 D   59  THR GLU ARG ARG ARG GLN GLN LEU SER SER GLU LEU GLY          
SEQRES   4 D   59  LEU ASN GLU ALA GLN ILE LYS ILE TRP PHE GLN ASN GLU          
SEQRES   5 D   59  ARG ALA LYS ILE LYS LYS SER                                  
HET    NHE  A 500      13                                                       
HETNAM     NHE 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID                        
HETSYN     NHE N-CYCLOHEXYLTAURINE; CHES                                        
FORMUL   5  NHE    C8 H17 N O3 S                                                
FORMUL   6  HOH   *168(H2 O)                                                    
HELIX    1   1 SER A    9  ASN A   23  1                                  15    
HELIX    2   2 THR A   27  GLY A   39  1                                  13    
HELIX    3   3 ASN A   41  LYS A   55  1                                  15    
HELIX    4   4 SER B    9  ASN B   23  1                                  15    
HELIX    5   5 THR B   27  GLY B   39  1                                  13    
HELIX    6   6 ASN B   41  ILE B   56  1                                  16    
HELIX    7   7 SER C    9  ASN C   23  1                                  15    
HELIX    8   8 THR C   27  GLY C   39  1                                  13    
HELIX    9   9 ASN C   41  LYS C   57  1                                  17    
HELIX   10  10 SER D    9  ASN D   23  1                                  15    
HELIX   11  11 THR D   27  GLY D   39  1                                  13    
HELIX   12  12 ASN D   41  LYS D   58  1                                  18    
SITE     1 AC1  8 TYR A  25  GLU A  37  HOH A 519  HOH A 548                    
SITE     2 AC1  8 HOH A 549  HOH A 550  GLU B  11  LEU B  38                    
CRYST1   44.850   51.679  112.785  90.00  90.00  90.00 P 21 21 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      0.022297  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.019350  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008866        0.00000