PDB Short entry for 2XLK
HEADER    HYDROLASE/RNA                           21-JUL-10   2XLK              
TITLE     CRYSTAL STRUCTURE OF THE CSY4-CRRNA COMPLEX, ORTHORHOMBIC FORM        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CSY4 ENDORIBONUCLEASE;                                     
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES;                                                       
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: 5'-R(*CP*UP*GP*CP*CP*GP*UP*AP*UP*AP*GP*GP*CP*A*DG*C)-3';   
COMPND   8 CHAIN: C, D;                                                         
COMPND   9 SYNONYM: PA14 CRRNA HAIRPIN;                                         
COMPND  10 ENGINEERED: YES;                                                     
COMPND  11 OTHER_DETAILS: 2-DEOXY MODIFICATION AT G20                           
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PSEUDOMONAS AERUGINOSA;                         
SOURCE   3 ORGANISM_TAXID: 208963;                                              
SOURCE   4 STRAIN: UCBPP-PA14;                                                  
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   8 EXPRESSION_SYSTEM_VARIANT: ROSETTA 2 (DE3);                          
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PHMGWA;                                   
SOURCE  10 MOL_ID: 2;                                                           
SOURCE  11 SYNTHETIC: YES;                                                      
SOURCE  12 ORGANISM_SCIENTIFIC: PSEUDOMONAS AERUGINOSA;                         
SOURCE  13 ORGANISM_TAXID: 208963                                               
KEYWDS    HYDROLASE-RNA COMPLEX, ENDORIBONUCLEASE, CRISPR                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.E.HAURWITZ,M.JINEK,B.WIEDENHEFT,K.ZHOU,J.A.DOUDNA                   
REVDAT   3   20-DEC-23 2XLK    1       LINK                                     
REVDAT   2   29-SEP-10 2XLK    1       COMPND SOURCE SEQRES MODRES              
REVDAT   2 2                   1       HET    HETNAM FORMUL LINK                
REVDAT   2 3                   1       ATOM   ANISOU HETATM CONECT              
REVDAT   1   22-SEP-10 2XLK    0                                                
JRNL        AUTH   R.E.HAURWITZ,M.JINEK,B.WIEDENHEFT,K.ZHOU,J.A.DOUDNA          
JRNL        TITL   SEQUENCE- AND STRUCTURE-SPECIFIC RNA PROCESSING BY A CRISPR  
JRNL        TITL 2 ENDONUCLEASE.                                                
JRNL        REF    SCIENCE                       V. 329  1355 2010              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   20829488                                                     
JRNL        DOI    10.1126/SCIENCE.1192272                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.81 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.81                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 69.41                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 2.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 43284                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.186                           
REMARK   3   R VALUE            (WORKING SET) : 0.184                           
REMARK   3   FREE R VALUE                     : 0.216                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2164                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 69.4643 -  4.4511    1.00     2962   156  0.1796 0.1932        
REMARK   3     2  4.4511 -  3.5330    1.00     2832   150  0.1537 0.1863        
REMARK   3     3  3.5330 -  3.0864    1.00     2782   146  0.1705 0.1930        
REMARK   3     4  3.0864 -  2.8042    1.00     2775   146  0.1929 0.2263        
REMARK   3     5  2.8042 -  2.6032    1.00     2756   145  0.1989 0.2365        
REMARK   3     6  2.6032 -  2.4497    1.00     2748   145  0.1913 0.2639        
REMARK   3     7  2.4497 -  2.3270    1.00     2732   143  0.1977 0.2408        
REMARK   3     8  2.3270 -  2.2257    1.00     2726   144  0.1787 0.2234        
REMARK   3     9  2.2257 -  2.1401    1.00     2748   145  0.1821 0.2028        
REMARK   3    10  2.1401 -  2.0662    1.00     2717   143  0.1766 0.2359        
REMARK   3    11  2.0662 -  2.0016    1.00     2684   141  0.1861 0.2091        
REMARK   3    12  2.0016 -  1.9444    1.00     2748   144  0.1833 0.2408        
REMARK   3    13  1.9444 -  1.8932    1.00     2692   141  0.1872 0.2032        
REMARK   3    14  1.8932 -  1.8470    1.00     2704   142  0.2103 0.2570        
REMARK   3    15  1.8470 -  1.8050    0.93     2514   133  0.2345 0.3004        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : 0.34                                          
REMARK   3   B_SOL              : 29.57                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.210            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.230           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 21.95                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 30.30                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.36780                                             
REMARK   3    B22 (A**2) : 4.14190                                              
REMARK   3    B33 (A**2) : -3.77420                                             
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.006           3791                                  
REMARK   3   ANGLE     :  1.086           5275                                  
REMARK   3   CHIRALITY :  0.070            585                                  
REMARK   3   PLANARITY :  0.005            587                                  
REMARK   3   DIHEDRAL  : 14.989           1534                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 6                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN A AND NOT RESID 109:139                          
REMARK   3    ORIGIN FOR THE GROUP (A):  14.3319  26.2687  30.9088              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0666 T22:   0.1851                                     
REMARK   3      T33:   0.1201 T12:   0.0176                                     
REMARK   3      T13:  -0.0007 T23:  -0.0209                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.2950 L22:   0.4688                                     
REMARK   3      L33:   0.5745 L12:   0.2149                                     
REMARK   3      L13:   0.2070 L23:   0.0151                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0455 S12:  -0.1178 S13:   0.0240                       
REMARK   3      S21:  -0.0489 S22:  -0.0801 S23:  -0.0142                       
REMARK   3      S31:  -0.0293 S32:   0.0633 S33:   0.0002                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN A AND RESID 109:138                              
REMARK   3    ORIGIN FOR THE GROUP (A):  19.8543  21.4368  64.0839              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.3148 T22:   0.1724                                     
REMARK   3      T33:   0.2035 T12:  -0.0791                                     
REMARK   3      T13:  -0.0138 T23:   0.0331                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.0033 L22:   0.0828                                     
REMARK   3      L33:   0.0336 L12:   0.0118                                     
REMARK   3      L13:   0.0240 L23:  -0.0558                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0605 S12:   0.0442 S13:   0.0441                       
REMARK   3      S21:   0.0228 S22:  -0.2860 S23:  -0.2447                       
REMARK   3      S31:   0.1516 S32:  -0.0261 S33:   0.0000                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN B AND NOT RESID 109:135                          
REMARK   3    ORIGIN FOR THE GROUP (A):   3.8665   8.9573  10.3690              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0666 T22:   0.0583                                     
REMARK   3      T33:   0.1017 T12:   0.0117                                     
REMARK   3      T13:   0.0020 T23:   0.0048                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.2761 L22:   1.0548                                     
REMARK   3      L33:   0.5517 L12:  -0.0320                                     
REMARK   3      L13:  -0.0786 L23:   0.2248                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0753 S12:  -0.0427 S13:  -0.0054                       
REMARK   3      S21:  -0.0234 S22:   0.0948 S23:  -0.0106                       
REMARK   3      S31:   0.0820 S32:  -0.0241 S33:   0.1513                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: CHAIN B AND RESID 109:135                              
REMARK   3    ORIGIN FOR THE GROUP (A):  18.7493 -12.1960 -13.9495              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.4856 T22:   0.1467                                     
REMARK   3      T33:   0.2132 T12:   0.0454                                     
REMARK   3      T13:   0.1108 T23:  -0.0922                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.0465 L22:  -0.0147                                     
REMARK   3      L33:   0.0336 L12:  -0.0164                                     
REMARK   3      L13:  -0.0054 L23:   0.0055                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0196 S12:   0.0011 S13:  -0.2995                       
REMARK   3      S21:  -0.5240 S22:   0.2156 S23:  -0.1126                       
REMARK   3      S31:   0.2332 S32:   0.3406 S33:   0.0054                       
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    SELECTION: CHAIN C                                                
REMARK   3    ORIGIN FOR THE GROUP (A):  14.1183  28.1818  55.4057              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2891 T22:   0.2871                                     
REMARK   3      T33:   0.1599 T12:   0.0504                                     
REMARK   3      T13:  -0.0029 T23:   0.0112                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.1509 L22:   0.0358                                     
REMARK   3      L33:   0.0663 L12:  -0.0254                                     
REMARK   3      L13:   0.1217 L23:   0.0408                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0772 S12:   0.2359 S13:   0.0591                       
REMARK   3      S21:   0.1511 S22:   0.0584 S23:  -0.0078                       
REMARK   3      S31:   0.1309 S32:  -0.0251 S33:   0.0000                       
REMARK   3   TLS GROUP : 6                                                      
REMARK   3    SELECTION: CHAIN D                                                
REMARK   3    ORIGIN FOR THE GROUP (A):  -8.4579  41.0234   9.9780              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.4622 T22:   0.1211                                     
REMARK   3      T33:   0.1162 T12:  -0.0142                                     
REMARK   3      T13:  -0.0976 T23:  -0.0243                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4432 L22:   0.2869                                     
REMARK   3      L33:   0.2474 L12:   0.2897                                     
REMARK   3      L13:  -0.2831 L23:  -0.0718                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.2133 S12:   0.0028 S13:   0.1005                       
REMARK   3      S21:   0.6708 S22:  -0.0126 S23:  -0.0537                       
REMARK   3      S31:  -0.0442 S32:  -0.0311 S33:   0.0912                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2XLK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 21-JUL-10.                  
REMARK 100 THE DEPOSITION ID IS D_1290044703.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-APR-10                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.2.2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.99992                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 43284                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 69.400                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY                : 19.80                              
REMARK 200  R MERGE                    (I) : 0.07000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 31.1000                            
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) : 1.90                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.53000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 2XLI                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.60                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 160 MM SODIUM ACETATE PH 4.6, 18%        
REMARK 280  (W/V) PEG 4000                                                      
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       20.03000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       72.97000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       39.45500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       72.97000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       20.03000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       39.45500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2840 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11550 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.7 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, 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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2880 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12220 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.4 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 ENGINEERED RESIDUE IN CHAIN A, SER  22 TO CYS                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN B, SER  22 TO CYS                        
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     GLY A    -3                                                      
REMARK 465     SER A    -2                                                      
REMARK 465     PHE A    -1                                                      
REMARK 465     GLY B    -3                                                      
REMARK 465     SER B    -2                                                      
REMARK 465     PRO B    13                                                      
REMARK 465     GLU B    14                                                      
REMARK 465     PHE B    15                                                      
REMARK 465     THR B   134                                                      
REMARK 465     VAL B   135                                                      
REMARK 465     ALA B   136                                                      
REMARK 465     ARG B   137                                                      
REMARK 465     THR B   138                                                      
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  80    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG A 128    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     THR A 138    OG1  CG2                                            
REMARK 470       C C  21    C5'  C4'  O4'  C3'  O3'  C2'  O2'                   
REMARK 470       C C  21    C1'  N1   C2   O2   N3   C4   N4                    
REMARK 470       C C  21    C5   C6                                             
REMARK 470       C D  21    C5'  C4'  O4'  C3'  O3'  C2'  O2'                   
REMARK 470       C D  21    C1'  N1   C2   O2   N3   C4   N4                    
REMARK 470       C D  21    C5   C6                                             
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500     DG C  20   O4' -  C1' -  N9  ANGL. DEV. =   1.8 DEGREES          
REMARK 500     DG D  20   O4' -  C1' -  N9  ANGL. DEV. =   2.2 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    ASP A  38       35.49   -140.06                                   
REMARK 500    LEU A  79      -13.56   -140.76                                   
REMARK 500    ARG B  51       11.72   -146.27                                   
REMARK 500    PRO B  74       39.34    -83.95                                   
REMARK 500    ASP B 140       67.05   -111.08                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2XLI   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE CSY4-CRRNA COMPLEX, MONOCLINIC FORM         
REMARK 900 RELATED ID: 2XLJ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE CSY4-CRRNA COMPLEX, HEXAGONAL FORM          
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE SEQUENCE GSFT AT THE N-TERMINUS IS DERIVED FROM THE              
REMARK 999 EXPRESSION VECTOR. THE DOWNSTREAM SEQUENCE                           
REMARK 999 MDHYLDIRLRPDPEFPPAQL IS NOT PRESENT IN THE GB YP_790814 ENTRY        
REMARK 999 DUE TO MISANNOTATED METHIONINE START CODON.                          
REMARK 999 THE SEQUENCE CONFLICT STEMS A3KUJ4 CORRESPONDING TO A                
REMARK 999 DIFFERENT P. AERUGINOSA STRAIN.                                      
DBREF  2XLK A    1   187  UNP    A3KUJ4   A3KUJ4_PSEAE     1    187             
DBREF  2XLK B    1   187  UNP    A3KUJ4   A3KUJ4_PSEAE     1    187             
DBREF  2XLK C    6    20  PDB    2XLK     2XLK             6     20             
DBREF  2XLK D    6    20  PDB    2XLK     2XLK             6     20             
SEQADV 2XLK GLY A   -3  UNP  A3KUJ4              EXPRESSION TAG                 
SEQADV 2XLK SER A   -2  UNP  B3G159              EXPRESSION TAG                 
SEQADV 2XLK PHE A   -1  UNP  A3KUJ4              EXPRESSION TAG                 
SEQADV 2XLK THR A    0  UNP  A3KUJ4              EXPRESSION TAG                 
SEQADV 2XLK CYS A   22  UNP  A3KUJ4    SER    22 ENGINEERED MUTATION            
SEQADV 2XLK VAL A  166  UNP  A3KUJ4    ALA   166 CONFLICT                       
SEQADV 2XLK GLY B   -3  UNP  A3KUJ4              EXPRESSION TAG                 
SEQADV 2XLK SER B   -2  UNP  A3KUJ4              EXPRESSION TAG                 
SEQADV 2XLK PHE B   -1  UNP  A3KUJ4              EXPRESSION TAG                 
SEQADV 2XLK THR B    0  UNP  A3KUJ4              EXPRESSION TAG                 
SEQADV 2XLK CYS B   22  UNP  A3KUJ4    SER    22 ENGINEERED MUTATION            
SEQADV 2XLK VAL B  166  UNP  A3KUJ4    ALA   166 CONFLICT                       
SEQRES   1 A  191  GLY SER PHE THR MET ASP HIS TYR LEU ASP ILE ARG LEU          
SEQRES   2 A  191  ARG PRO ASP PRO GLU PHE PRO PRO ALA GLN LEU MET CYS          
SEQRES   3 A  191  VAL LEU PHE GLY LYS LEU HIS GLN ALA LEU VAL ALA GLN          
SEQRES   4 A  191  GLY GLY ASP ARG ILE GLY VAL SER PHE PRO ASP LEU ASP          
SEQRES   5 A  191  GLU SER ARG SER ARG LEU GLY GLU ARG LEU ARG ILE HIS          
SEQRES   6 A  191  ALA SER ALA ASP ASP LEU ARG ALA LEU LEU ALA ARG PRO          
SEQRES   7 A  191  TRP LEU GLU GLY LEU ARG ASP HIS LEU GLN PHE GLY GLU          
SEQRES   8 A  191  PRO ALA VAL VAL PRO HIS PRO THR PRO TYR ARG GLN VAL          
SEQRES   9 A  191  SER ARG VAL GLN ALA LYS SER ASN PRO GLU ARG LEU ARG          
SEQRES  10 A  191  ARG ARG LEU MET ARG ARG HIS ASP LEU SER GLU GLU GLU          
SEQRES  11 A  191  ALA ARG LYS ARG ILE PRO ASP THR VAL ALA ARG THR LEU          
SEQRES  12 A  191  ASP LEU PRO PHE VAL THR LEU ARG SER GLN SER THR GLY          
SEQRES  13 A  191  GLN HIS PHE ARG LEU PHE ILE ARG HIS GLY PRO LEU GLN          
SEQRES  14 A  191  VAL THR ALA GLU GLU GLY GLY PHE THR CYS TYR GLY LEU          
SEQRES  15 A  191  SER LYS GLY GLY PHE VAL PRO TRP PHE                          
SEQRES   1 B  191  GLY SER PHE THR MET ASP HIS TYR LEU ASP ILE ARG LEU          
SEQRES   2 B  191  ARG PRO ASP PRO GLU PHE PRO PRO ALA GLN LEU MET CYS          
SEQRES   3 B  191  VAL LEU PHE GLY LYS LEU HIS GLN ALA LEU VAL ALA GLN          
SEQRES   4 B  191  GLY GLY ASP ARG ILE GLY VAL SER PHE PRO ASP LEU ASP          
SEQRES   5 B  191  GLU SER ARG SER ARG LEU GLY GLU ARG LEU ARG ILE HIS          
SEQRES   6 B  191  ALA SER ALA ASP ASP LEU ARG ALA LEU LEU ALA ARG PRO          
SEQRES   7 B  191  TRP LEU GLU GLY LEU ARG ASP HIS LEU GLN PHE GLY GLU          
SEQRES   8 B  191  PRO ALA VAL VAL PRO HIS PRO THR PRO TYR ARG GLN VAL          
SEQRES   9 B  191  SER ARG VAL GLN ALA LYS SER ASN PRO GLU ARG LEU ARG          
SEQRES  10 B  191  ARG ARG LEU MET ARG ARG HIS ASP LEU SER GLU GLU GLU          
SEQRES  11 B  191  ALA ARG LYS ARG ILE PRO ASP THR VAL ALA ARG THR LEU          
SEQRES  12 B  191  ASP LEU PRO PHE VAL THR LEU ARG SER GLN SER THR GLY          
SEQRES  13 B  191  GLN HIS PHE ARG LEU PHE ILE ARG HIS GLY PRO LEU GLN          
SEQRES  14 B  191  VAL THR ALA GLU GLU GLY GLY PHE THR CYS TYR GLY LEU          
SEQRES  15 B  191  SER LYS GLY GLY PHE VAL PRO TRP PHE                          
SEQRES   1 C   16    C   U   G   C   C   G   U   A   U   A   G   G   C          
SEQRES   2 C   16    A  DG   C                                                  
SEQRES   1 D   16    C   U   G   C   C   G   U   A   U   A   G   G   C          
SEQRES   2 D   16    A  DG   C                                                  
FORMUL   5  HOH   *413(H2 O)                                                    
HELIX    1   1 PRO A   16  GLY A   36  1                                  21    
HELIX    2   2 SER A   63  ALA A   72  1                                  10    
HELIX    3   3 LEU A   76  ASP A   81  5                                   6    
HELIX    4   4 ASN A  108  ASP A  121  1                                  14    
HELIX    5   5 SER A  123  ILE A  131  1                                   9    
HELIX    6   6 PRO B   16  GLY B   36  1                                  21    
HELIX    7   7 GLU B   49  SER B   52  5                                   4    
HELIX    8   8 SER B   63  ARG B   73  1                                  11    
HELIX    9   9 LEU B   79  ASP B   81  5                                   3    
HELIX   10  10 ASN B  108  ASP B  121  1                                  14    
HELIX   11  11 SER B  123  ILE B  131  1                                   9    
SHEET    1  AA 4 GLY A  41  SER A  43  0                                        
SHEET    2  AA 4 ARG A  57  ALA A  62 -1  O  ARG A  59   N  SER A  43           
SHEET    3  AA 4 HIS A   3  LEU A   9 -1  O  HIS A   3   N  ALA A  62           
SHEET    4  AA 4 LEU A  83  GLN A  84 -1  O  GLN A  84   N  ARG A   8           
SHEET    1  AB 4 GLY A  41  SER A  43  0                                        
SHEET    2  AB 4 ARG A  57  ALA A  62 -1  O  ARG A  59   N  SER A  43           
SHEET    3  AB 4 HIS A   3  LEU A   9 -1  O  HIS A   3   N  ALA A  62           
SHEET    4  AB 4 ALA A  89  VAL A  90 -1  O  ALA A  89   N  TYR A   4           
SHEET    1  AC 2 LEU A  83  GLN A  84  0                                        
SHEET    2  AC 2 HIS A   3  LEU A   9 -1  O  ARG A   8   N  GLN A  84           
SHEET    1  AD 2 TYR A  97  ARG A  98  0                                        
SHEET    2  AD 2 VAL A 184  PRO A 185 -1  O  VAL A 184   N  ARG A  98           
SHEET    1  AE 3 VAL A 100  VAL A 103  0                                        
SHEET    2  AE 3 HIS A 154  HIS A 161 -1  O  PHE A 158   N  VAL A 103           
SHEET    3  AE 3 PHE A 143  ARG A 147 -1  O  VAL A 144   N  LEU A 157           
SHEET    1  BA 4 GLY B  41  SER B  43  0                                        
SHEET    2  BA 4 ARG B  57  ALA B  62 -1  O  ARG B  59   N  SER B  43           
SHEET    3  BA 4 HIS B   3  LEU B   9 -1  O  HIS B   3   N  ALA B  62           
SHEET    4  BA 4 LEU B  83  PHE B  85 -1  O  GLN B  84   N  ARG B   8           
SHEET    1  BB 4 GLY B  41  SER B  43  0                                        
SHEET    2  BB 4 ARG B  57  ALA B  62 -1  O  ARG B  59   N  SER B  43           
SHEET    3  BB 4 HIS B   3  LEU B   9 -1  O  HIS B   3   N  ALA B  62           
SHEET    4  BB 4 ALA B  89  VAL B  90 -1  O  ALA B  89   N  TYR B   4           
SHEET    1  BC 2 LEU B  83  PHE B  85  0                                        
SHEET    2  BC 2 HIS B   3  LEU B   9 -1  O  ARG B   8   N  GLN B  84           
SHEET    1  BD 2 TYR B  97  ARG B  98  0                                        
SHEET    2  BD 2 VAL B 184  PRO B 185 -1  O  VAL B 184   N  ARG B  98           
SHEET    1  BE 3 VAL B 100  VAL B 103  0                                        
SHEET    2  BE 3 HIS B 154  HIS B 161 -1  O  PHE B 158   N  VAL B 103           
SHEET    3  BE 3 PHE B 143  ARG B 147 -1  O  VAL B 144   N  LEU B 157           
LINK         O3'   A C  19                 P    DG C  20     1555   1555  1.59  
LINK         O3'  DG C  20                 P     C C  21     1555   1555  1.61  
LINK         O3'   A D  19                 P    DG D  20     1555   1555  1.60  
LINK         O3'  DG D  20                 P     C D  21     1555   1555  1.61  
CISPEP   1 HIS A   93    PRO A   94          0         0.02                     
CISPEP   2 HIS B   93    PRO B   94          0        -0.57                     
CRYST1   40.060   78.910  145.940  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      0.024963  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012673  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006852        0.00000