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Database: PDB
Entry: 1DU0
LinkDB: 1DU0
Original site: 1DU0 
HEADER    TRANSCRIPTION/DNA                       13-JAN-00   1DU0              
TITLE     ENGRAILED HOMEODOMAIN Q50A VARIANT DNA COMPLEX                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-                                                   
COMPND   3 D(*TP*TP*TP*TP*GP*CP*CP*AP*TP*GP*TP*AP*AP*TP*TP*AP*CP*CP*TP*AP*A)-   
COMPND   4 3');                                                                 
COMPND   5 CHAIN: C;                                                            
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: DNA (5'-                                                   
COMPND   9 D(*AP*TP*TP*AP*GP*GP*TP*AP*AP*TP*TP*AP*CP*AP*TP*GP*GP*CP*AP*AP*A)-   
COMPND  10 3');                                                                 
COMPND  11 CHAIN: D;                                                            
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 3;                                                           
COMPND  14 MOLECULE: ENGRAILED HOMEODOMAIN;                                     
COMPND  15 CHAIN: A, B;                                                         
COMPND  16 SYNONYM: HOMEOTIC PROTEIN ENGRAILED, SEGMENTATION POLARITY HOMEOBOX  
COMPND  17 PROTEIN ENGRAILED;                                                   
COMPND  18 ENGINEERED: YES;                                                     
COMPND  19 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 SYNTHETIC: YES;                                                      
SOURCE   5 MOL_ID: 3;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER;                        
SOURCE   7 ORGANISM_COMMON: FRUIT FLY;                                          
SOURCE   8 ORGANISM_TAXID: 7227;                                                
SOURCE   9 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  10 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    HOMEODOMAIN, DNA-BINDING PROTEIN, PROTEIN-DNA COMPLEX, TRANSCRIPTION- 
KEYWDS   2 DNA COMPLEX                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.A.GRANT,M.A.ROULD,J.D.KLEMM,C.O.PABO                                
REVDAT   5   07-FEB-24 1DU0    1       REMARK                                   
REVDAT   4   03-NOV-21 1DU0    1       SEQADV                                   
REVDAT   3   24-FEB-09 1DU0    1       VERSN                                    
REVDAT   2   07-AUG-00 1DU0    3       HETATM REMARK                            
REVDAT   1   31-JUL-00 1DU0    0                                                
JRNL        AUTH   R.A.GRANT,M.A.ROULD,J.D.KLEMM,C.O.PABO                       
JRNL        TITL   EXPLORING THE ROLE OF GLUTAMINE 50 IN THE HOMEODOMAIN-DNA    
JRNL        TITL 2 INTERFACE: CRYSTAL STRUCTURE OF ENGRAILED (GLN50 --> ALA)    
JRNL        TITL 3 COMPLEX AT 2.0 A.                                            
JRNL        REF    BIOCHEMISTRY                  V.  39  8187 2000              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   10889025                                                     
JRNL        DOI    10.1021/BI000071A                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   E.FRAENKEL,M.A.ROULD,K.A.CHAMBERS,C.O.PABO                   
REMARK   1  TITL   ENGRAILED HOMEODOMAIN-DNA COMPLEX AT 2.2 ANGSTROMS           
REMARK   1  TITL 2 RESOLUTION: A DETAILED VIEW OF THE INTERFACE AND COMPARISON  
REMARK   1  TITL 3 WITH OTHER 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   1 REFERENCE 2                                                          
REMARK   1  AUTH   L.TUCKER-KELLOGG,M.A.ROULD,K.A.CHAMBERS,S.E.ADES,R.T.SAUER   
REMARK   1  TITL   ENGRAILED (GLN50->LYS) HOMEODOMAIN-DNA COMPLEX AT 1.9        
REMARK   1  TITL 2 ANGSTROMS RESOLUTION: STRUCTURAL BASIS FOR ENHANCED AFFINITY 
REMARK   1  TITL 3 AND ALTERED SPECIFICITY                                      
REMARK   1  REF    STRUCTURE                     V.   5  1047 1997              
REMARK   1  REFN                   ISSN 0969-2126                               
REMARK   1  DOI    10.1016/S0969-2126(97)00256-6                                
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   S.E.ADES,R.T.SAUER                                           
REMARK   1  TITL   DIFFERENTIAL DNA-BINDING SPECIFICITY OF THE ENGRAILED        
REMARK   1  TITL 2 HOMEODOMAIN: THE ROLE OF RESIDUE 50                          
REMARK   1  REF    BIOCHEMISTRY                  V.  33  9187 1994              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   C.A.KISSINGER,B.LIU,E.MARTIN-BLANCO,T.B.KORNBERG,C.O.PABO    
REMARK   1  TITL   CRYSTAL STRUCTURE OF AN ENGRAILED HOMEODOMAIN-DNA COMPLES AT 
REMARK   1  TITL 2 2.8 ANGSTROMS RESOLUTION: A FRAMEWORK FOR UNDERSTANDING      
REMARK   1  TITL 3 HOMEODOMAIN-DNA INTERACTIONS                                 
REMARK   1  REF    CELL(CAMBRIDGE,MASS.)         V.  63   579 1990              
REMARK   1  REFN                   ISSN 0092-8674                               
REMARK   1  DOI    10.1016/0092-8674(90)90453-L                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 10000000.000                   
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 89.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 21566                          
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 SET) : 0.234                           
REMARK   3   FREE R VALUE                     : 0.270                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 2168                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.13                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 56.20                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2044                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3630                       
REMARK   3   BIN FREE R VALUE                    : 0.3510                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 203                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.025                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 930                                     
REMARK   3   NUCLEIC ACID ATOMS       : 855                                     
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 103                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.70                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 39.70                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.33                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.41                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.36                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.39                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 18.40                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.440                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.710 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 4.070 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 4.800 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 7.330 ; 2.500                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PARHCSDX.PRO                                   
REMARK   3  PARAMETER FILE  2  : DNA-RNA.PARAM                                  
REMARK   3  PARAMETER FILE  3  : PARAM19.SOL                                    
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : TOPH19.SOL                                     
REMARK   3  TOPOLOGY FILE  3   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1DU0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-JAN-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000010365.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-JAN-96                          
REMARK 200  TEMPERATURE           (KELVIN) : 128                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23204                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.5                               
REMARK 200  DATA REDUNDANCY                : 4.900                              
REMARK 200  R MERGE                    (I) : 0.03900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 70.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.35100                            
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: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 62.80                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.31                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: BIS-TRIS-PROPANE, PEG 400, AMMONIUM      
REMARK 280  ACETATE, PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K    
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       63.45000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       22.77500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       63.45000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       22.77500            
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 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: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, 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 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     ARG A     3                                                      
REMARK 465     PRO A     4                                                      
REMARK 465     ARG A     5                                                      
REMARK 465     THR A     6                                                      
REMARK 465     SER B   159                                                      
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     DG D 305   O4' -  C1' -  N9  ANGL. DEV. =   2.0 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500     DC C 217         0.07    SIDE CHAIN                              
REMARK 500     DA D 301         0.06    SIDE CHAIN                              
REMARK 500     DG D 305         0.08    SIDE CHAIN                              
REMARK 500     DG D 306         0.07    SIDE CHAIN                              
REMARK 500     DT D 311         0.06    SIDE CHAIN                              
REMARK 500     DA D 314         0.06    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1HDD   RELATED DB: PDB                                   
REMARK 900 WILD TYPE ENGRAILED-DNA CO-CRYSTAL 2.8 ANGSTROMS                     
REMARK 900 RELATED ID: 2HDD   RELATED DB: PDB                                   
REMARK 900 Q50K VARIANT ENGRAILED-DNA CO-CRYSTAL                                
REMARK 900 RELATED ID: 3HDD   RELATED DB: PDB                                   
REMARK 900 WILD TYPE ENGRAILED-DNA CO-CRYSTAL 2.2 ANGSTROMS                     
DBREF  1DU0 A    3    59  UNP    P02836   HMEN_DROME     456    512             
DBREF  1DU0 B  103   159  UNP    P02836   HMEN_DROME     456    512             
DBREF  1DU0 C  201   221  PDB    1DU0     1DU0           201    221             
DBREF  1DU0 D  301   321  PDB    1DU0     1DU0           301    321             
SEQADV 1DU0 ALA A   50  UNP  P02836    GLN   503 ENGINEERED MUTATION            
SEQADV 1DU0 ALA B  150  UNP  P02836    GLN   503 ENGINEERED MUTATION            
SEQRES   1 C   21   DT  DT  DT  DT  DG  DC  DC  DA  DT  DG  DT  DA  DA          
SEQRES   2 C   21   DT  DT  DA  DC  DC  DT  DA  DA                              
SEQRES   1 D   21   DA  DT  DT  DA  DG  DG  DT  DA  DA  DT  DT  DA  DC          
SEQRES   2 D   21   DA  DT  DG  DG  DC  DA  DA  DA                              
SEQRES   1 A   57  ARG PRO ARG THR ALA PHE SER SER GLU GLN LEU ALA ARG          
SEQRES   2 A   57  LEU LYS ARG GLU PHE ASN GLU ASN ARG TYR LEU THR GLU          
SEQRES   3 A   57  ARG ARG ARG GLN GLN LEU SER SER GLU LEU GLY LEU ASN          
SEQRES   4 A   57  GLU ALA GLN ILE LYS ILE TRP PHE ALA ASN LYS ARG ALA          
SEQRES   5 A   57  LYS ILE LYS LYS SER                                          
SEQRES   1 B   57  ARG PRO ARG THR ALA PHE SER SER GLU GLN LEU ALA ARG          
SEQRES   2 B   57  LEU LYS ARG GLU PHE ASN GLU ASN ARG TYR LEU THR GLU          
SEQRES   3 B   57  ARG ARG ARG GLN GLN LEU SER SER GLU LEU GLY LEU ASN          
SEQRES   4 B   57  GLU ALA GLN ILE LYS ILE TRP PHE ALA ASN LYS ARG ALA          
SEQRES   5 B   57  LYS ILE LYS LYS SER                                          
FORMUL   5  HOH   *103(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   57  1                                  17    
HELIX    4   4 SER B  109  ASN B  123  1                                  15    
HELIX    5   5 THR B  127  GLY B  139  1                                  13    
HELIX    6   6 ASN B  141  LYS B  157  1                                  17    
CRYST1  126.900   45.550   71.620  90.00 119.90  90.00 C 1 2 1       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.007880  0.000000  0.004531        0.00000                         
SCALE2      0.000000  0.021954  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016106        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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