PDB Short entry for 1AM9
HEADER    TRANSCRIPTION/DNA                       25-JUN-97   1AM9              
TITLE     HUMAN SREBP-1A BOUND TO LDL RECEPTOR PROMOTER                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-                                                   
COMPND   3 D(*TP*TP*GP*CP*AP*GP*TP*GP*GP*GP*GP*TP*GP*AP*TP*CP*T )-3');          
COMPND   4 CHAIN: E, G;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: DNA (5'-                                                   
COMPND   8 D(*CP*AP*TP*GP*AP*GP*AP*TP*CP*AP*CP*CP*CP*CP*AP*CP*T P*GP*CP*AP*A)-  
COMPND   9 3');                                                                 
COMPND  10 CHAIN: F, H;                                                         
COMPND  11 ENGINEERED: YES;                                                     
COMPND  12 MOL_ID: 3;                                                           
COMPND  13 MOLECULE: PROTEIN (STEROL REGULATORY ELEMENT BINDING PROTEIN 1A);    
COMPND  14 CHAIN: A, B, C, D;                                                   
COMPND  15 FRAGMENT: DNA BINDING DOMAIN;                                        
COMPND  16 SYNONYM: SREBP-1A;                                                   
COMPND  17 ENGINEERED: YES;                                                     
COMPND  18 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: HOMO SAPIENS;                                   
SOURCE   7 ORGANISM_COMMON: HUMAN;                                              
SOURCE   8 ORGANISM_TAXID: 9606;                                                
SOURCE   9 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  10 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    STEROL REGULATORY ELEMENT BINDING PROTEIN, BASIC-HELIX-LOOP-HELIX-    
KEYWDS   2 LEUCINE ZIPPER, SREBP, TRANSCRIPTION FACTOR, COMPLEX (TRANSCRIPTION  
KEYWDS   3 REGULATION-DNA), TRANSCRIPTION-DNA COMPLEX                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.PARRAGA,S.K.BURLEY                                                  
REVDAT   4   03-FEB-21 1AM9    1       AUTHOR JRNL   REMARK LINK                
REVDAT   3   24-FEB-09 1AM9    1       VERSN                                    
REVDAT   2   01-APR-03 1AM9    1       JRNL                                     
REVDAT   1   10-JUL-98 1AM9    0                                                
JRNL        AUTH   A.PARRAGA,L.BELLSOLELL,A.R.FERRE-D'AMARE,S.K.BURLEY          
JRNL        TITL   CO-CRYSTAL STRUCTURE OF STEROL REGULATORY ELEMENT BINDING    
JRNL        TITL 2 PROTEIN 1A AT 2.3 A RESOLUTION.                              
JRNL        REF    STRUCTURE                     V.   6   661 1998              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   9634703                                                      
JRNL        DOI    10.1016/S0969-2126(98)00067-7                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 85.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 43209                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.219                           
REMARK   3   FREE R VALUE                     : 0.278                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 4306                            
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           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2441                                    
REMARK   3   NUCLEIC ACID ATOMS       : 1546                                    
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 299                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  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) : 0.013                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.680                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.80                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.360                           
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  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 1AM9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB.                                
REMARK 100 THE DEPOSITION ID IS D_1000170991.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-OCT-96                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.00                             
REMARK 200  PH                             : 5.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CHESS                              
REMARK 200  BEAMLINE                       : F1                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
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   : 48155                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
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     (%) : 87.0                               
REMARK 200  DATA REDUNDANCY                : 12.00                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 36.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.48                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 52.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.00                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.34000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: MAX-DNA STRUCTURE                                    
REMARK 200                                                                      
REMARK 200 REMARK: THE CCD DETECTOR WAS OFFSET IN TWO DIRECTIONS DURING DATA    
REMARK 200  COLLECTION                                                          
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 74.21                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.30                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 20 %       
REMARK 280  MPD, 100 MM KCL, 20 MM MGCL2, 100 MM HEPES, PH 5.6, VAPOR           
REMARK 280  DIFFUSION, HANGING DROP                                             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
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   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
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      153.03333            
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      306.06667            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      229.55000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000      382.58333            
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       76.51667            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000      153.03333            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000      306.06667            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000      382.58333            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      229.55000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       76.51667            
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: OCTAMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, F, G, H, 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 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     ASP A   399                                                      
REMARK 465     LEU A   400                                                      
REMARK 465     GLN B   319                                                      
REMARK 465     LYS B   395                                                      
REMARK 465     SER B   396                                                      
REMARK 465     LEU B   397                                                      
REMARK 465     LYS B   398                                                      
REMARK 465     ASP B   399                                                      
REMARK 465     LEU B   400                                                      
REMARK 465     LYS D   395                                                      
REMARK 465     SER D   396                                                      
REMARK 465     LEU D   397                                                      
REMARK 465     LYS D   398                                                      
REMARK 465     ASP D   399                                                      
REMARK 465     LEU D   400                                                      
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 321    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     THR A 353    OG1  CG2                                            
REMARK 470     GLU A 354    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 356    CG   CD   CE   NZ                                   
REMARK 470     LYS A 393    CG   CD   CE   NZ                                   
REMARK 470     SER A 394    OG                                                  
REMARK 470     SER A 396    OG                                                  
REMARK 470     LEU A 397    CG   CD1  CD2                                       
REMARK 470     LYS A 398    CG   CD   CE   NZ                                   
REMARK 470     ARG B 321    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS B 324    CG   CD   CE   NZ                                   
REMARK 470     THR B 389    OG1  CG2                                            
REMARK 470     HIS B 392    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS B 393    CG   CD   CE   NZ                                   
REMARK 470     SER B 394    OG                                                  
REMARK 470     ARG C 321    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     THR C 353    OG1  CG2                                            
REMARK 470     GLU C 354    CG   CD   OE1  OE2                                  
REMARK 470     LYS C 356    CG   CD   CE   NZ                                   
REMARK 470     LYS C 393    CG   CD   CE   NZ                                   
REMARK 470     ASP C 399    CG   OD1  OD2                                       
REMARK 470     LEU C 400    CG   CD1  CD2                                       
REMARK 470     GLN D 319    CG   CD   OE1  NE2                                  
REMARK 470     SER D 320    OG                                                  
REMARK 470     ARG D 321    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS D 324    CG   CD   CE   NZ                                   
REMARK 470     HIS D 392    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS D 393    CG   CD   CE   NZ                                   
REMARK 470     SER D 394    OG                                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500     DT G  40   C5'    DT G  40   C4'     0.052                       
REMARK 500     DT G  45   C5     DT G  45   C7      0.038                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500     DT E   2   O4' -  C1' -  N1  ANGL. DEV. =   2.3 DEGREES          
REMARK 500     DC E   4   C5' -  C4' -  O4' ANGL. DEV. =   7.8 DEGREES          
REMARK 500     DC E   4   O4' -  C1' -  N1  ANGL. DEV. =   4.8 DEGREES          
REMARK 500     DC E   4   C3' -  O3' -  P   ANGL. DEV. =  -7.8 DEGREES          
REMARK 500     DT E   7   O4' -  C1' -  N1  ANGL. DEV. =   2.3 DEGREES          
REMARK 500     DT E   7   C4  -  C5  -  C6  ANGL. DEV. =   3.6 DEGREES          
REMARK 500     DG E   8   O4' -  C1' -  N9  ANGL. DEV. =   2.7 DEGREES          
REMARK 500     DG E   9   O4' -  C1' -  N9  ANGL. DEV. =   2.1 DEGREES          
REMARK 500     DG E  10   P   -  O5' -  C5' ANGL. DEV. = -11.5 DEGREES          
REMARK 500     DG E  10   O4' -  C1' -  N9  ANGL. DEV. =   3.1 DEGREES          
REMARK 500     DT E  15   O4' -  C1' -  N1  ANGL. DEV. =   2.6 DEGREES          
REMARK 500     DT E  15   C6  -  C5  -  C7  ANGL. DEV. =  -4.7 DEGREES          
REMARK 500     DC F  18   O4' -  C1' -  N1  ANGL. DEV. =   5.7 DEGREES          
REMARK 500     DA F  22   O4' -  C1' -  N9  ANGL. DEV. =   6.7 DEGREES          
REMARK 500     DT F  25   C6  -  C5  -  C7  ANGL. DEV. =  -3.8 DEGREES          
REMARK 500     DC F  26   O4' -  C1' -  N1  ANGL. DEV. =   3.0 DEGREES          
REMARK 500     DC F  28   O4' -  C1' -  N1  ANGL. DEV. =   3.4 DEGREES          
REMARK 500     DC F  29   P   -  O5' -  C5' ANGL. DEV. = -11.0 DEGREES          
REMARK 500     DC F  30   P   -  O5' -  C5' ANGL. DEV. = -10.4 DEGREES          
REMARK 500     DC F  30   O4' -  C1' -  N1  ANGL. DEV. =   2.5 DEGREES          
REMARK 500     DC F  33   O4' -  C1' -  N1  ANGL. DEV. =   4.8 DEGREES          
REMARK 500     DT F  34   O4' -  C1' -  N1  ANGL. DEV. =   2.1 DEGREES          
REMARK 500     DG F  35   C3' -  C2' -  C1' ANGL. DEV. =  -4.9 DEGREES          
REMARK 500     DG F  35   O4' -  C1' -  N9  ANGL. DEV. =   4.5 DEGREES          
REMARK 500     DC F  36   O4' -  C1' -  N1  ANGL. DEV. =   4.4 DEGREES          
REMARK 500     DA F  38   O4' -  C1' -  N9  ANGL. DEV. =   6.5 DEGREES          
REMARK 500     DG G  41   O4' -  C1' -  N9  ANGL. DEV. =   3.4 DEGREES          
REMARK 500     DG G  41   C3' -  O3' -  P   ANGL. DEV. =   7.3 DEGREES          
REMARK 500     DT G  45   O4' -  C1' -  C2' ANGL. DEV. =  -5.7 DEGREES          
REMARK 500     DG G  48   O4' -  C1' -  N9  ANGL. DEV. =   3.5 DEGREES          
REMARK 500     DC H  56   O4' -  C1' -  N1  ANGL. DEV. =   5.2 DEGREES          
REMARK 500     DA H  57   O4' -  C1' -  N9  ANGL. DEV. =   2.9 DEGREES          
REMARK 500     DT H  58   O4' -  C1' -  N1  ANGL. DEV. =   3.8 DEGREES          
REMARK 500     DT H  58   C6  -  C5  -  C7  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500     DA H  60   O4' -  C1' -  N9  ANGL. DEV. =   5.0 DEGREES          
REMARK 500     DT H  63   O4' -  C1' -  C2' ANGL. DEV. =  -5.7 DEGREES          
REMARK 500     DT H  63   O4' -  C1' -  N1  ANGL. DEV. =   1.8 DEGREES          
REMARK 500     DC H  64   P   -  O5' -  C5' ANGL. DEV. = -11.2 DEGREES          
REMARK 500     DC H  64   O4' -  C1' -  N1  ANGL. DEV. =   2.9 DEGREES          
REMARK 500     DC H  68   P   -  O5' -  C5' ANGL. DEV. = -11.1 DEGREES          
REMARK 500     DC H  69   O4' -  C1' -  N1  ANGL. DEV. =   1.8 DEGREES          
REMARK 500     DC H  71   O4' -  C1' -  N1  ANGL. DEV. =   3.2 DEGREES          
REMARK 500     DT H  72   C3' -  C2' -  C1' ANGL. DEV. =  -6.0 DEGREES          
REMARK 500     DT H  72   O4' -  C1' -  N1  ANGL. DEV. =   2.2 DEGREES          
REMARK 500     DG H  73   C3' -  C2' -  C1' ANGL. DEV. =  -5.0 DEGREES          
REMARK 500     DG H  73   O4' -  C1' -  N9  ANGL. DEV. =   3.8 DEGREES          
REMARK 500     DC H  74   O4' -  C1' -  N1  ANGL. DEV. =   3.0 DEGREES          
REMARK 500     DA H  76   O4' -  C1' -  N9  ANGL. DEV. =   4.6 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    SER A 394        9.53    -61.31                                   
REMARK 500    LYS A 395      -52.59   -147.69                                   
REMARK 500    SER A 396       14.85    -55.84                                   
REMARK 500    VAL B 351       -1.27   -142.57                                   
REMARK 500    LYS B 393       40.02    -78.58                                   
REMARK 500    LYS C 398      128.81    -23.84                                   
REMARK 500    ASP C 399      102.98    -54.81                                   
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 E   1         0.10    SIDE CHAIN                              
REMARK 500     DG E   3         0.10    SIDE CHAIN                              
REMARK 500     DG E  11         0.05    SIDE CHAIN                              
REMARK 500     DC F  18         0.10    SIDE CHAIN                              
REMARK 500     DA F  19         0.06    SIDE CHAIN                              
REMARK 500     DA F  22         0.06    SIDE CHAIN                              
REMARK 500     DC F  33         0.08    SIDE CHAIN                              
REMARK 500     DT G  39         0.08    SIDE CHAIN                              
REMARK 500     DG G  41         0.06    SIDE CHAIN                              
REMARK 500     DA G  43         0.05    SIDE CHAIN                              
REMARK 500     DG G  46         0.06    SIDE CHAIN                              
REMARK 500     DC H  56         0.10    SIDE CHAIN                              
REMARK 500     DA H  60         0.08    SIDE CHAIN                              
REMARK 500     DC H  66         0.07    SIDE CHAIN                              
REMARK 500     DG H  73         0.06    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B2002  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A2009   O                                                      
REMARK 620 2 HOH A2012   O    86.6                                              
REMARK 620 3 HOH A2013   O    88.2  81.6                                        
REMARK 620 4 HOH B2010   O   176.7  94.6  88.9                                  
REMARK 620 5 HOH B2011   O    89.4 170.2  89.3  89.0                            
REMARK 620 6 HOH B2014   O    90.4  96.0 177.3  92.6  93.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG C2001  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH D2003   O                                                      
REMARK 620 2 HOH D2004   O   176.8                                              
REMARK 620 3 HOH D2005   O    89.4  89.0                                        
REMARK 620 4 HOH D2006   O    86.5  94.6 170.2                                  
REMARK 620 5 HOH D2007   O    88.2  89.0  89.3  81.6                            
REMARK 620 6 HOH D2008   O    90.4  92.6  93.0  96.0 177.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 2001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 2002                 
DBREF  1AM9 A  319   400  UNP    P36956   SRBP1_HUMAN    319    400             
DBREF  1AM9 B  319   400  UNP    P36956   SRBP1_HUMAN    319    400             
DBREF  1AM9 C  319   400  UNP    P36956   SRBP1_HUMAN    319    400             
DBREF  1AM9 D  319   400  UNP    P36956   SRBP1_HUMAN    319    400             
DBREF  1AM9 E    1    17  PDB    1AM9     1AM9             1     17             
DBREF  1AM9 F   18    38  PDB    1AM9     1AM9            18     38             
DBREF  1AM9 G   39    55  PDB    1AM9     1AM9            39     55             
DBREF  1AM9 H   56    76  PDB    1AM9     1AM9            56     76             
SEQRES   1 E   17   DT  DT  DG  DC  DA  DG  DT  DG  DG  DG  DG  DT  DG          
SEQRES   2 E   17   DA  DT  DC  DT                                              
SEQRES   1 F   21   DC  DA  DT  DG  DA  DG  DA  DT  DC  DA  DC  DC  DC          
SEQRES   2 F   21   DC  DA  DC  DT  DG  DC  DA  DA                              
SEQRES   1 G   17   DT  DT  DG  DC  DA  DG  DT  DG  DG  DG  DG  DT  DG          
SEQRES   2 G   17   DA  DT  DC  DT                                              
SEQRES   1 H   21   DC  DA  DT  DG  DA  DG  DA  DT  DC  DA  DC  DC  DC          
SEQRES   2 H   21   DC  DA  DC  DT  DG  DC  DA  DA                              
SEQRES   1 A   82  GLN SER ARG GLY GLU LYS ARG THR ALA HIS ASN ALA ILE          
SEQRES   2 A   82  GLU LYS ARG TYR ARG SER SER ILE ASN ASP LYS ILE ILE          
SEQRES   3 A   82  GLU LEU LYS ASP LEU VAL VAL GLY THR GLU ALA LYS LEU          
SEQRES   4 A   82  ASN LYS SER ALA VAL LEU ARG LYS ALA ILE ASP TYR ILE          
SEQRES   5 A   82  ARG PHE LEU GLN HIS SER ASN GLN LYS LEU LYS GLN GLU          
SEQRES   6 A   82  ASN LEU SER LEU ARG THR ALA VAL HIS LYS SER LYS SER          
SEQRES   7 A   82  LEU LYS ASP LEU                                              
SEQRES   1 B   82  GLN SER ARG GLY GLU LYS ARG THR ALA HIS ASN ALA ILE          
SEQRES   2 B   82  GLU LYS ARG TYR ARG SER SER ILE ASN ASP LYS ILE ILE          
SEQRES   3 B   82  GLU LEU LYS ASP LEU VAL VAL GLY THR GLU ALA LYS LEU          
SEQRES   4 B   82  ASN LYS SER ALA VAL LEU ARG LYS ALA ILE ASP TYR ILE          
SEQRES   5 B   82  ARG PHE LEU GLN HIS SER ASN GLN LYS LEU LYS GLN GLU          
SEQRES   6 B   82  ASN LEU SER LEU ARG THR ALA VAL HIS LYS SER LYS SER          
SEQRES   7 B   82  LEU LYS ASP LEU                                              
SEQRES   1 C   82  GLN SER ARG GLY GLU LYS ARG THR ALA HIS ASN ALA ILE          
SEQRES   2 C   82  GLU LYS ARG TYR ARG SER SER ILE ASN ASP LYS ILE ILE          
SEQRES   3 C   82  GLU LEU LYS ASP LEU VAL VAL GLY THR GLU ALA LYS LEU          
SEQRES   4 C   82  ASN LYS SER ALA VAL LEU ARG LYS ALA ILE ASP TYR ILE          
SEQRES   5 C   82  ARG PHE LEU GLN HIS SER ASN GLN LYS LEU LYS GLN GLU          
SEQRES   6 C   82  ASN LEU SER LEU ARG THR ALA VAL HIS LYS SER LYS SER          
SEQRES   7 C   82  LEU LYS ASP LEU                                              
SEQRES   1 D   82  GLN SER ARG GLY GLU LYS ARG THR ALA HIS ASN ALA ILE          
SEQRES   2 D   82  GLU LYS ARG TYR ARG SER SER ILE ASN ASP LYS ILE ILE          
SEQRES   3 D   82  GLU LEU LYS ASP LEU VAL VAL GLY THR GLU ALA LYS LEU          
SEQRES   4 D   82  ASN LYS SER ALA VAL LEU ARG LYS ALA ILE ASP TYR ILE          
SEQRES   5 D   82  ARG PHE LEU GLN HIS SER ASN GLN LYS LEU LYS GLN GLU          
SEQRES   6 D   82  ASN LEU SER LEU ARG THR ALA VAL HIS LYS SER LYS SER          
SEQRES   7 D   82  LEU LYS ASP LEU                                              
HET     MG  B2002       1                                                       
HET     MG  C2001       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   9   MG    2(MG 2+)                                                     
FORMUL  11  HOH   *299(H2 O)                                                    
HELIX    1   1 ARG A  321  VAL A  350  1                                  30    
HELIX    2   2 LYS A  359  SER A  396  1                                  38    
HELIX    3   3 ARG B  321  VAL B  350  1                                  30    
HELIX    4   4 LYS B  359  HIS B  392  1                                  34    
HELIX    5   5 ARG C  321  VAL C  351  1                                  31    
HELIX    6   6 LYS C  359  LYS C  395  1                                  37    
HELIX    7   7 ARG D  321  VAL D  350  1                                  30    
HELIX    8   8 LYS D  359  HIS D  392  1                                  34    
LINK         O   HOH A2009                MG    MG B2002     1555   1555  2.06  
LINK         O   HOH A2012                MG    MG B2002     1555   1555  1.98  
LINK         O   HOH A2013                MG    MG B2002     1555   1555  2.13  
LINK        MG    MG B2002                 O   HOH B2010     1555   1555  1.93  
LINK        MG    MG B2002                 O   HOH B2011     1555   1555  2.03  
LINK        MG    MG B2002                 O   HOH B2014     1555   1555  1.93  
LINK        MG    MG C2001                 O   HOH D2003     1555   1555  2.06  
LINK        MG    MG C2001                 O   HOH D2004     1555   1555  1.93  
LINK        MG    MG C2001                 O   HOH D2005     1555   1555  2.03  
LINK        MG    MG C2001                 O   HOH D2006     1555   1555  1.98  
LINK        MG    MG C2001                 O   HOH D2007     1555   1555  2.13  
LINK        MG    MG C2001                 O   HOH D2008     1555   1555  1.93  
SITE     1 AC1  6 HOH D2003  HOH D2004  HOH D2005  HOH D2006                    
SITE     2 AC1  6 HOH D2007  HOH D2008                                          
SITE     1 AC2  6 HOH A2009  HOH A2012  HOH A2013  HOH B2010                    
SITE     2 AC2  6 HOH B2011  HOH B2014                                          
CRYST1   94.630   94.630  459.100  90.00  90.00 120.00 P 61 2 2     48          
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      0.010567  0.006101  0.000000        0.00000                         
SCALE2      0.000000  0.012202  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.002178        0.00000