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Database: PDB
Entry: 2ACO
LinkDB: 2ACO
Original site: 2ACO 
HEADER    LIPID TRANSPORT, MEMBRANE PROTEIN       19-JUL-05   2ACO              
TITLE     XRAY STRUCTURE OF BLC DIMER IN COMPLEX WITH VACCENIC ACID             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: OUTER MEMBRANE LIPOPROTEIN BLC;                            
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: BLC;                                                           
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21 TUNER PLYSS;                          
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: GATEWY PDEST17                        
KEYWDS    LIPOCALIN, FATTY ACID, E.COLI, LIPID TRANSPORT, MEMBRANE              
KEYWDS   2 PROTEIN                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.CAMPANACCI,R.E.BISHOP,L.REESE,S.BLANGY,M.TEGONI,                    
AUTHOR   2 C.CAMBILLAU                                                          
REVDAT   3   24-FEB-09 2ACO    1       VERSN                                    
REVDAT   2   12-SEP-06 2ACO    1       JRNL                                     
REVDAT   1   01-AUG-06 2ACO    0                                                
JRNL        AUTH   V.CAMPANACCI,R.E.BISHOP,S.BLANGY,M.TEGONI,                   
JRNL        AUTH 2 C.CAMBILLAU                                                  
JRNL        TITL   THE MEMBRANE BOUND BACTERIAL LIPOCALIN BLC IS A              
JRNL        TITL 2 FUNCTIONAL DIMER WITH BINDING PREFERENCE FOR                 
JRNL        TITL 3 LYSOPHOSPHOLIPIDS.                                           
JRNL        REF    FEBS LETT.                    V. 580  4877 2006              
JRNL        REFN                   ISSN 0014-5793                               
JRNL        PMID   16920109                                                     
JRNL        DOI    10.1016/J.FEBSLET.2006.07.086                                
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.24                                        
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 59.76                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 37259                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.173                           
REMARK   3   R VALUE            (WORKING SET) : 0.171                           
REMARK   3   FREE R VALUE                     : 0.210                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2314                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2641                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2360                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 143                          
REMARK   3   BIN FREE R VALUE                    : 0.3280                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2684                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 20                                      
REMARK   3   SOLVENT ATOMS            : 449                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 15.21                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.60000                                              
REMARK   3    B22 (A**2) : -0.52000                                             
REMARK   3    B33 (A**2) : -0.08000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.112         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.112         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.073         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.334         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.956                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.937                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2775 ; 0.011 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  2471 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3752 ; 1.289 ; 1.940       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  5721 ; 0.793 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   331 ; 6.864 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   385 ; 0.086 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3107 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   641 ; 0.007 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   494 ; 0.231 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  2973 ; 0.258 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  1650 ; 0.082 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   314 ; 0.207 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):     8 ; 0.157 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    59 ; 0.294 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    43 ; 0.205 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1652 ; 0.679 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2650 ; 1.300 ; 2.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1123 ; 2.221 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1102 ; 3.689 ; 4.500       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE          
REMARK   3  RIDING POSITIONS                                                    
REMARK   4                                                                      
REMARK   4 2ACO COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUL-05.                  
REMARK 100 THE RCSB ID CODE IS RCSB033745.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 22-JUN-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-4                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0332                             
REMARK 200  MONOCHROMATOR                  : MIRRORS                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 37259                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 59.760                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.08900                            
REMARK 200  R SYM                      (I) : 0.13700                            
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) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.85                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 89.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1QWD                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CITRATE 800-900 MM, SODIUM        
REMARK 280  BORATE 50 MM, PH 7.5, VAPOR DIFFUSION, SITTING DROP,                
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       28.95050            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       44.51000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       40.66850            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       44.51000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       28.95050            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       40.66850            
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: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     HIS A     5                                                      
REMARK 465     HIS A     6                                                      
REMARK 465     HIS A     7                                                      
REMARK 465     HIS A     8                                                      
REMARK 465     HIS A     9                                                      
REMARK 465     HIS B     5                                                      
REMARK 465     HIS B     6                                                      
REMARK 465     HIS B     7                                                      
REMARK 465     HIS B     8                                                      
REMARK 465     HIS B     9                                                      
REMARK 465     GLY B   176                                                      
REMARK 465     SER B   177                                                      
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     SER A 177    OG                                                  
REMARK 470     HIS B  10    CG   ND1  CD2  CE1  NE2                             
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OG   SER A    22     O    HOH A   388              1.87            
REMARK 500   O    HOH A   250     O    HOH A   389              2.08            
REMARK 500   O    HOH A   218     O    HOH B   733              2.12            
REMARK 500   O    HOH A   291     O    HOH A   387              2.13            
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    ASP A 122   CB  -  CG  -  OD2 ANGL. DEV. =   6.6 DEGREES          
REMARK 500    ASP B 122   CB  -  CG  -  OD1 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    ASP B 122   CB  -  CG  -  OD2 ANGL. DEV. =   7.8 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    ARG A  26       -4.21     77.31                                   
REMARK 500    ARG B  26       -5.02     77.56                                   
REMARK 500    PHE B 109      107.75   -165.09                                   
REMARK 500    PRO B 111       45.01    -85.45                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE VCA B 501                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1QWD   RELATED DB: PDB                                   
REMARK 900 NATIVE UNLIGANDED PROTEIN                                            
DBREF  2ACO A   23   177  UNP    P0A901   BLC_ECOLI       23    177             
DBREF  2ACO B   23   177  UNP    P0A901   BLC_ECOLI       23    177             
SEQADV 2ACO HIS A    5  UNP  P0A901              EXPRESSION TAG                 
SEQADV 2ACO HIS A    6  UNP  P0A901              EXPRESSION TAG                 
SEQADV 2ACO HIS A    7  UNP  P0A901              EXPRESSION TAG                 
SEQADV 2ACO HIS A    8  UNP  P0A901              EXPRESSION TAG                 
SEQADV 2ACO HIS A    9  UNP  P0A901              EXPRESSION TAG                 
SEQADV 2ACO HIS A   10  UNP  P0A901              EXPRESSION TAG                 
SEQADV 2ACO LEU A   11  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO GLU A   12  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO SER A   13  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO THR A   14  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO SER A   15  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO LEU A   16  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO TYR A   17  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO LYS A   18  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO LYS A   19  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO ALA A   20  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO GLY A   21  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO SER A   22  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO HIS B    5  UNP  P0A901              EXPRESSION TAG                 
SEQADV 2ACO HIS B    6  UNP  P0A901              EXPRESSION TAG                 
SEQADV 2ACO HIS B    7  UNP  P0A901              EXPRESSION TAG                 
SEQADV 2ACO HIS B    8  UNP  P0A901              EXPRESSION TAG                 
SEQADV 2ACO HIS B    9  UNP  P0A901              EXPRESSION TAG                 
SEQADV 2ACO HIS B   10  UNP  P0A901              EXPRESSION TAG                 
SEQADV 2ACO LEU B   11  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO GLU B   12  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO SER B   13  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO THR B   14  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO SER B   15  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO LEU B   16  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO TYR B   17  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO LYS B   18  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO LYS B   19  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO ALA B   20  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO GLY B   21  UNP  P0A901              CLONING ARTIFACT               
SEQADV 2ACO SER B   22  UNP  P0A901              CLONING ARTIFACT               
SEQRES   1 A  173  HIS HIS HIS HIS HIS HIS LEU GLU SER THR SER LEU TYR          
SEQRES   2 A  173  LYS LYS ALA GLY SER THR PRO PRO ARG GLY VAL THR VAL          
SEQRES   3 A  173  VAL ASN ASN PHE ASP ALA LYS ARG TYR LEU GLY THR TRP          
SEQRES   4 A  173  TYR GLU ILE ALA ARG PHE ASP HIS ARG PHE GLU ARG GLY          
SEQRES   5 A  173  LEU GLU LYS VAL THR ALA THR TYR SER LEU ARG ASP ASP          
SEQRES   6 A  173  GLY GLY LEU ASN VAL ILE ASN LYS GLY TYR ASN PRO ASP          
SEQRES   7 A  173  ARG GLY MET TRP GLN GLN SER GLU GLY LYS ALA TYR PHE          
SEQRES   8 A  173  THR GLY ALA PRO THR ARG ALA ALA LEU LYS VAL SER PHE          
SEQRES   9 A  173  PHE GLY PRO PHE TYR GLY GLY TYR ASN VAL ILE ALA LEU          
SEQRES  10 A  173  ASP ARG GLU TYR ARG HIS ALA LEU VAL CYS GLY PRO ASP          
SEQRES  11 A  173  ARG ASP TYR LEU TRP ILE LEU SER ARG THR PRO THR ILE          
SEQRES  12 A  173  SER ASP GLU VAL LYS GLN GLU MET LEU ALA VAL ALA THR          
SEQRES  13 A  173  ARG GLU GLY PHE ASP VAL SER LYS PHE ILE TRP VAL GLN          
SEQRES  14 A  173  GLN PRO GLY SER                                              
SEQRES   1 B  173  HIS HIS HIS HIS HIS HIS LEU GLU SER THR SER LEU TYR          
SEQRES   2 B  173  LYS LYS ALA GLY SER THR PRO PRO ARG GLY VAL THR VAL          
SEQRES   3 B  173  VAL ASN ASN PHE ASP ALA LYS ARG TYR LEU GLY THR TRP          
SEQRES   4 B  173  TYR GLU ILE ALA ARG PHE ASP HIS ARG PHE GLU ARG GLY          
SEQRES   5 B  173  LEU GLU LYS VAL THR ALA THR TYR SER LEU ARG ASP ASP          
SEQRES   6 B  173  GLY GLY LEU ASN VAL ILE ASN LYS GLY TYR ASN PRO ASP          
SEQRES   7 B  173  ARG GLY MET TRP GLN GLN SER GLU GLY LYS ALA TYR PHE          
SEQRES   8 B  173  THR GLY ALA PRO THR ARG ALA ALA LEU LYS VAL SER PHE          
SEQRES   9 B  173  PHE GLY PRO PHE TYR GLY GLY TYR ASN VAL ILE ALA LEU          
SEQRES  10 B  173  ASP ARG GLU TYR ARG HIS ALA LEU VAL CYS GLY PRO ASP          
SEQRES  11 B  173  ARG ASP TYR LEU TRP ILE LEU SER ARG THR PRO THR ILE          
SEQRES  12 B  173  SER ASP GLU VAL LYS GLN GLU MET LEU ALA VAL ALA THR          
SEQRES  13 B  173  ARG GLU GLY PHE ASP VAL SER LYS PHE ILE TRP VAL GLN          
SEQRES  14 B  173  GLN PRO GLY SER                                              
HET    VCA  B 501      20                                                       
HETNAM     VCA VACCENIC ACID                                                    
HETSYN     VCA (11E)-OCTADEC-11-ENOIC ACID                                      
FORMUL   3  VCA    C18 H34 O2                                                   
FORMUL   4  HOH   *449(H2 O)                                                    
HELIX    1   1 ASP A   35  LEU A   40  5                                   6    
HELIX    2   2 HIS A   51  ARG A   55  5                                   5    
HELIX    3   3 SER A  148  GLU A  162  1                                  15    
HELIX    4   4 ASP A  165  PHE A  169  5                                   5    
HELIX    5   5 ASP B   35  LEU B   40  5                                   6    
HELIX    6   6 HIS B   51  ARG B   55  5                                   5    
HELIX    7   7 SER B  148  GLU B  162  1                                  15    
HELIX    8   8 ASP B  165  SER B  167  5                                   3    
SHEET    1   A 2 THR A  14  TYR A  17  0                                        
SHEET    2   A 2 VAL A  28  VAL A  31 -1  O  VAL A  30   N  SER A  15           
SHEET    1   B10 ILE A 170  TRP A 171  0                                        
SHEET    2   B10 GLY A  41  ARG A  48 -1  N  ARG A  48   O  ILE A 170           
SHEET    3   B10 LEU A 138  SER A 142 -1  O  SER A 142   N  TYR A  44           
SHEET    4   B10 HIS A 127  CYS A 131 -1  N  ALA A 128   O  LEU A 141           
SHEET    5   B10 PHE A 112  LEU A 121 -1  N  ASN A 117   O  CYS A 131           
SHEET    6   B10 ALA A 103  PHE A 109 -1  N  VAL A 106   O  GLY A 114           
SHEET    7   B10 MET A  85  PHE A  95 -1  N  LYS A  92   O  SER A 107           
SHEET    8   B10 LEU A  72  ASN A  80 -1  N  GLY A  78   O  GLN A  87           
SHEET    9   B10 GLU A  58  LEU A  66 -1  N  GLU A  58   O  TYR A  79           
SHEET   10   B10 GLY A  41  ARG A  48 -1  N  GLY A  41   O  TYR A  64           
SHEET    1   C 2 THR B  14  TYR B  17  0                                        
SHEET    2   C 2 VAL B  28  VAL B  31 -1  O  VAL B  30   N  SER B  15           
SHEET    1   D10 PHE B 169  TRP B 171  0                                        
SHEET    2   D10 GLY B  41  PHE B  49 -1  N  ARG B  48   O  ILE B 170           
SHEET    3   D10 LEU B 138  SER B 142 -1  O  SER B 142   N  TYR B  44           
SHEET    4   D10 HIS B 127  CYS B 131 -1  N  ALA B 128   O  LEU B 141           
SHEET    5   D10 GLY B 114  LEU B 121 -1  N  ASN B 117   O  CYS B 131           
SHEET    6   D10 ALA B 103  SER B 107 -1  N  LEU B 104   O  TYR B 116           
SHEET    7   D10 MET B  85  PHE B  95 -1  N  TYR B  94   O  LYS B 105           
SHEET    8   D10 LEU B  72  ASN B  80 -1  N  LEU B  72   O  ALA B  93           
SHEET    9   D10 GLU B  58  LEU B  66 -1  N  GLU B  58   O  TYR B  79           
SHEET   10   D10 GLY B  41  PHE B  49 -1  N  TRP B  43   O  ALA B  62           
SITE     1 AC1  9 ARG A  52  PHE A 112  PHE B  53  GLU B  54                    
SITE     2 AC1  9 ASN B  76  PHE B 109  GLY B 114  GLY B 115                    
SITE     3 AC1  9 TRP B 139                                                     
CRYST1   57.901   81.337   89.020  90.00  90.00  90.00 P 21 21 21    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      0.017271  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012295  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011233        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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