HEADER    TRANSCRIPTION                           09-JAN-02   1GT0              
TITLE     CRYSTAL STRUCTURE OF A POU/HMG/DNA TERNARY COMPLEX                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*TP*TP*CP*TP*TP*TP*GP*TP*TP*TP* GP*GP*AP*             
COMPND   3 TP*GP*CP*TP*AP*AP*TP*GP*GP*GP*A)-3';                                 
COMPND   4 CHAIN: A;                                                            
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 OTHER_DETAILS: FGF-4 ENHANCER;                                       
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: 5'-D(*AP*TP*CP*CP*CP*AP*TP*TP*AP*GP*                       
COMPND   9 CP*AP*TP*CP*CP*AP*AP*AP*CP*AP*AP*AP*GP*A)-3';                        
COMPND  10 CHAIN: B;                                                            
COMPND  11 ENGINEERED: YES;                                                     
COMPND  12 OTHER_DETAILS: FGF-4 ENHANCER;                                       
COMPND  13 MOL_ID: 3;                                                           
COMPND  14 MOLECULE: OCTAMER-BINDING TRANSCRIPTION FACTOR 1;                    
COMPND  15 CHAIN: C;                                                            
COMPND  16 FRAGMENT: POU DOMAIN RESIDUES 280-438;                               
COMPND  17 SYNONYM: OTF-1, NF-A1, OCT-1;                                        
COMPND  18 ENGINEERED: YES;                                                     
COMPND  19 MUTATION: YES;                                                       
COMPND  20 MOL_ID: 4;                                                           
COMPND  21 MOLECULE: TRANSCRIPTION FACTOR SOX-2;                                
COMPND  22 CHAIN: D;                                                            
COMPND  23 FRAGMENT: HMG DOMAIN RESIDUES 41-120;                                
COMPND  24 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   4 ORGANISM_COMMON: MOUSE;                                              
SOURCE   5 ORGANISM_TAXID: 10090;                                               
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 SYNTHETIC: YES;                                                      
SOURCE   8 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   9 ORGANISM_COMMON: MOUSE;                                              
SOURCE  10 ORGANISM_TAXID: 10090;                                               
SOURCE  11 MOL_ID: 3;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  13 ORGANISM_COMMON: HUMAN;                                              
SOURCE  14 ORGANISM_TAXID: 9606;                                                
SOURCE  15 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  16 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE  17 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  18 EXPRESSION_SYSTEM_PLASMID: PET-24D;                                  
SOURCE  19 MOL_ID: 4;                                                           
SOURCE  20 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE  21 ORGANISM_COMMON: MOUSE;                                              
SOURCE  22 ORGANISM_TAXID: 10090;                                               
SOURCE  23 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  24 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE  25 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  26 EXPRESSION_SYSTEM_PLASMID: PET24-D                                   
KEYWDS    TRANSCRIPTION FACTOR, POU FACTORS, SOX PROTEINS, TRANSCRIPTION        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.REMENYI,M.WILMANNS                                                  
REVDAT   6   08-MAY-24 1GT0    1       REMARK                                   
REVDAT   5   24-JUL-19 1GT0    1       REMARK                                   
REVDAT   4   14-NOV-12 1GT0    1       HEADER REMARK DBREF  FORMUL              
REVDAT   3   24-FEB-09 1GT0    1       VERSN                                    
REVDAT   2   20-AUG-03 1GT0    1       JRNL                                     
REVDAT   1   30-JAN-03 1GT0    0                                                
JRNL        AUTH   A.REMENYI,K.LINS,L.J.NISSEN,R.REINBOLD,H.R.SCHOLER,          
JRNL        AUTH 2 M.WILMANNS                                                   
JRNL        TITL   CRYSTAL STRUCTURE OF A POU/HMG/DNA TERNARY COMPLEX SUGGESTS  
JRNL        TITL 2 DIFFERENTIAL ASSEMBLY OF OCT4 AND SOX2 ON TWO ENHANCERS      
JRNL        REF    GENES DEV.                    V.  17  2048 2003              
JRNL        REFN                   ISSN 0890-9369                               
JRNL        PMID   12923055                                                     
JRNL        DOI    10.1101/GAD.269303                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 100000.000                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 16612                          
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) : 0.232                           
REMARK   3   FREE R VALUE                     : 0.285                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 836                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 16                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.66                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 5.40                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 858                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3935                       
REMARK   3   BIN FREE R VALUE                    : 0.4005                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 42                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.061                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1765                                    
REMARK   3   NUCLEIC ACID ATOMS       : 978                                     
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 90                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 80.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 58.30                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.800                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1GT0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 09-JAN-02.                  
REMARK 100 THE DEPOSITION ID IS D_1290009216.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUN-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.00                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : BW7B                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8460                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 16619                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.3                               
REMARK 200  DATA REDUNDANCY                : 5.200                              
REMARK 200  R MERGE                    (I) : 0.04700                            
REMARK 200  R SYM                      (I) : 0.04700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 21.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.69                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.35000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.35000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SHELX, SHARP                                          
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 60.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.10                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 18% PEG3350, 50 MM HEPES PH 7.0, 20 MM   
REMARK 280  MGCL2, 5% GLYCEROL, PH 7.00                                         
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       57.46667            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      114.93333            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      114.93333            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       57.46667            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 CHAIN C ENGINEERED MUTATION CYS340SER CYS428SER                      
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 C     1                                                      
REMARK 465     GLU C     2                                                      
REMARK 465     SER C    79                                                      
REMARK 465     SER C    80                                                      
REMARK 465     ASP C    81                                                      
REMARK 465     SER C    82                                                      
REMARK 465     SER C    83                                                      
REMARK 465     LEU C    84                                                      
REMARK 465     SER C    85                                                      
REMARK 465     SER C    86                                                      
REMARK 465     PRO C    87                                                      
REMARK 465     SER C    88                                                      
REMARK 465     ALA C    89                                                      
REMARK 465     LEU C    90                                                      
REMARK 465     ASN C    91                                                      
REMARK 465     SER C    92                                                      
REMARK 465     PRO C    93                                                      
REMARK 465     GLY C    94                                                      
REMARK 465     ILE C    95                                                      
REMARK 465     GLU C    96                                                      
REMARK 465     ASN C   160                                                      
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     LYS C  22    CG   CD   CE   NZ                                   
REMARK 470     LYS C 157    CG   CD   CE   NZ                                   
REMARK 470     ARG C 158    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ILE C 159    CA   C    O    CB   CG1  CG2  CD1                   
REMARK 470     ARG D  19    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS D  20    CG   CD   CE   NZ                                   
REMARK 470     GLU D  24    CG   CD   OE1  OE2                                  
REMARK 470     LYS D  27    CG   CD   CE   NZ                                   
REMARK 470     GLU D  46    CG   CD   OE1  OE2                                  
REMARK 470     LYS D  71    CG   CD   CE   NZ                                   
REMARK 470     LYS D  77    CG   CD   CE   NZ                                   
REMARK 470     LYS D  79    CG   CD   CE   NZ                                   
REMARK 470     THR D  80    CA   C    O    CB   OG1  CG2                        
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     DC A   3   O4' -  C1' -  N1  ANGL. DEV. =   2.4 DEGREES          
REMARK 500     DT A   6   N1  -  C1' -  C2' ANGL. DEV. =   9.0 DEGREES          
REMARK 500     DG A   7   N9  -  C1' -  C2' ANGL. DEV. =  10.3 DEGREES          
REMARK 500     DT A   8   N1  -  C1' -  C2' ANGL. DEV. =  10.4 DEGREES          
REMARK 500     DT A   8   O4' -  C1' -  N1  ANGL. DEV. =   2.1 DEGREES          
REMARK 500     DT A   9   O4' -  C1' -  N1  ANGL. DEV. =   2.3 DEGREES          
REMARK 500     DT A  10   N1  -  C1' -  C2' ANGL. DEV. =   8.6 DEGREES          
REMARK 500     DG A  12   O4' -  C1' -  C2' ANGL. DEV. =   3.1 DEGREES          
REMARK 500     DG A  12   N9  -  C1' -  C2' ANGL. DEV. =   9.2 DEGREES          
REMARK 500     DT A  14   N1  -  C1' -  C2' ANGL. DEV. =  12.3 DEGREES          
REMARK 500     DC A  16   N1  -  C1' -  C2' ANGL. DEV. =   8.6 DEGREES          
REMARK 500     DC A  16   O4' -  C1' -  N1  ANGL. DEV. =   2.1 DEGREES          
REMARK 500     DT A  17   C2' -  C3' -  O3' ANGL. DEV. = -25.0 DEGREES          
REMARK 500     DT A  17   O4' -  C1' -  C2' ANGL. DEV. =   3.4 DEGREES          
REMARK 500     DT A  17   O4' -  C1' -  N1  ANGL. DEV. =   3.8 DEGREES          
REMARK 500     DA A  18   N9  -  C1' -  C2' ANGL. DEV. =  10.0 DEGREES          
REMARK 500     DA A  19   N9  -  C1' -  C2' ANGL. DEV. =  10.2 DEGREES          
REMARK 500     DT A  20   N1  -  C1' -  C2' ANGL. DEV. =  10.2 DEGREES          
REMARK 500     DG A  22   C2' -  C3' -  O3' ANGL. DEV. = -15.0 DEGREES          
REMARK 500     DG A  22   O4' -  C1' -  N9  ANGL. DEV. =   2.9 DEGREES          
REMARK 500     DC B  27   O4' -  C1' -  N1  ANGL. DEV. =   2.8 DEGREES          
REMARK 500     DG B  47   O4' -  C1' -  N9  ANGL. DEV. =   2.3 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    LEU C  23        9.08    -57.51                                   
REMARK 500    ASN C  40      132.48    179.43                                   
REMARK 500    ASN C 123      144.30   -172.68                                   
REMARK 500    LYS C 142      -71.51    -35.78                                   
REMARK 500    LYS C 157       30.03    -68.10                                   
REMARK 500    ARG C 158      -74.39   -142.18                                   
REMARK 500    LYS D  20       42.85    -71.84                                   
REMARK 500    MET D  21      -33.67   -170.28                                   
REMARK 500    PRO D  26     -174.59    -61.29                                   
REMARK 500    LYS D  27       -7.69     61.50                                   
REMARK 500    LYS D  42        5.94    -63.67                                   
REMARK 500    GLU D  46      -17.23    -48.84                                   
REMARK 500    ARG D  50      -44.75    -28.74                                   
REMARK 500    ARG D  76      103.00    -48.25                                   
REMARK 500    LYS D  77      156.28    -49.19                                   
REMARK 500    LYS D  79      -46.67   -173.91                                   
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     DT A   6         0.07    SIDE CHAIN                              
REMARK 500     DG A   7         0.06    SIDE CHAIN                              
REMARK 500     DA A  13         0.08    SIDE CHAIN                              
REMARK 500     DT A  14         0.07    SIDE CHAIN                              
REMARK 500     DG A  15         0.07    SIDE CHAIN                              
REMARK 500     DA A  18         0.07    SIDE CHAIN                              
REMARK 500     DA A  19         0.07    SIDE CHAIN                              
REMARK 500     DT A  20         0.07    SIDE CHAIN                              
REMARK 500     DG A  21         0.08    SIDE CHAIN                              
REMARK 500     DG A  22         0.05    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH C2002        DISTANCE =  6.15 ANGSTROMS                       
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1CQT   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF A TERNARY COMPLEX CONTAINING AN OCA-B PEPTIDE,  
REMARK 900 THE OCT-1 POU DOMAIN, AND AN OCTAMER ELEMENT                         
REMARK 900 RELATED ID: 1E3O   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF OCT-1 POU DIMER BOUND TO MORE                   
REMARK 900 RELATED ID: 1HF0   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE DNA-BINDING DOMAIN OF OCT-1 BOUND TO DNA    
REMARK 900 AS A DIMER                                                           
REMARK 900 RELATED ID: 1OCT   RELATED DB: PDB                                   
REMARK 900 OCT-1 (POU DOMAIN)                                                   
REMARK 900 RELATED ID: 1POG   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1POU   RELATED DB: PDB                                   
REMARK 900 OCT-1 (POU-SPECIFIC DOMAIN) (NMR, 20 STRUCTURES)                     
DBREF  1GT0 A    1    24  PDB    1GT0     1GT0             1     24             
DBREF  1GT0 B   25    48  PDB    1GT0     1GT0            25     48             
DBREF  1GT0 C    1   160  UNP    P14859   PO2F1_HUMAN    280    438             
DBREF  1GT0 D    1    80  UNP    P48432   SOX2_MOUSE      41    120             
SEQADV 1GT0 SER C   61  UNP  P14859    CYS   340 ENGINEERED MUTATION            
SEQADV 1GT0 SER C  150  UNP  P14859    CYS   428 ENGINEERED MUTATION            
SEQRES   1 A   24   DT  DT  DC  DT  DT  DT  DG  DT  DT  DT  DG  DG  DA          
SEQRES   2 A   24   DT  DG  DC  DT  DA  DA  DT  DG  DG  DG  DA                  
SEQRES   1 B   24   DA  DT  DC  DC  DC  DA  DT  DT  DA  DG  DC  DA  DT          
SEQRES   2 B   24   DC  DC  DA  DA  DA  DC  DA  DA  DA  DG  DA                  
SEQRES   1 C  159  GLU GLU PRO SER ASP LEU GLU GLU LEU GLU GLN PHE ALA          
SEQRES   2 C  159  LYS THR PHE LYS GLN ARG ARG ILE LYS LEU GLY PHE THR          
SEQRES   3 C  159  GLN GLY ASP VAL GLY LEU ALA MET GLY LYS LEU TYR GLY          
SEQRES   4 C  159  ASN ASP PHE SER GLN THR THR ILE SER ARG PHE GLU ALA          
SEQRES   5 C  159  LEU ASN LEU SER PHE LYS ASN MET SER LYS LEU LYS PRO          
SEQRES   6 C  159  LEU LEU GLU LYS TRP LEU ASN ASP ALA GLU ASN LEU SER          
SEQRES   7 C  159  SER ASP SER SER LEU SER SER PRO SER ALA LEU ASN SER          
SEQRES   8 C  159  PRO GLY ILE GLU GLY LEU SER ARG ARG ARG LYS LYS ARG          
SEQRES   9 C  159  THR SER ILE GLU THR ASN ILE ARG VAL ALA LEU GLU LYS          
SEQRES  10 C  159  SER PHE LEU GLU ASN GLN LYS PRO THR SER GLU GLU ILE          
SEQRES  11 C  159  THR MET ILE ALA ASP GLN LEU ASN MET GLU LYS GLU VAL          
SEQRES  12 C  159  ILE ARG VAL TRP PHE SER ASN ARG ARG GLN LYS GLU LYS          
SEQRES  13 C  159  ARG ILE ASN                                                  
SEQRES   1 D   80  ASP ARG VAL LYS ARG PRO MET ASN ALA PHE MET VAL TRP          
SEQRES   2 D   80  SER ARG GLY GLN ARG ARG LYS MET ALA GLN GLU ASN PRO          
SEQRES   3 D   80  LYS MET HIS ASN SER GLU ILE SER LYS ARG LEU GLY ALA          
SEQRES   4 D   80  GLU TRP LYS LEU LEU SER GLU THR GLU LYS ARG PRO PHE          
SEQRES   5 D   80  ILE ASP GLU ALA LYS ARG LEU ARG ALA LEU HIS MET LYS          
SEQRES   6 D   80  GLU HIS PRO ASP TYR LYS TYR ARG PRO ARG ARG LYS THR          
SEQRES   7 D   80  LYS THR                                                      
FORMUL   5  HOH   *90(H2 O)                                                     
HELIX    1   1 SER C    4  LEU C   23  1                                  20    
HELIX    2   2 THR C   26  GLY C   39  1                                  14    
HELIX    3   3 SER C   43  ALA C   52  1                                  10    
HELIX    4   4 SER C   56  ASN C   76  1                                  21    
HELIX    5   5 GLU C  109  ASN C  123  1                                  15    
HELIX    6   6 THR C  127  ASN C  139  1                                  13    
HELIX    7   7 GLU C  141  LYS C  157  1                                  17    
HELIX    8   8 ASN D    8  GLN D   23  1                                  16    
HELIX    9   9 HIS D   29  LYS D   42  1                                  14    
HELIX   10  10 SER D   45  HIS D   67  1                                  23    
CRYST1   72.800   72.800  172.400  90.00  90.00 120.00 P 31 2 1      6          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.013736  0.007931  0.000000        0.00000                         
SCALE2      0.000000  0.015861  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005800        0.00000