HEADER    HYDROLASE                               19-JAN-11   2L8L              
TITLE     STRUCTURE OF AN ENGINEERED SPLICING INTEIN MUTANT BASED ON            
TITLE    2 MYCOBACTERIUM TUBERCULOSIS RECA                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ENDONUCLEASE PI-MTUI;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: SEQUENCE DATABASE RESIDUES 252-345, 654-691;               
COMPND   5 SYNONYM: MTU RECA INTEIN;                                            
COMPND   6 EC: 3.1.-.-;                                                         
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS;                     
SOURCE   3 ORGANISM_TAXID: 1773;                                                
SOURCE   4 GENE: MT2806, MTV002.02C, RECA, RV2737C;                             
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR: PETM41                                     
KEYWDS    HYDROLASE                                                             
EXPDTA    SOLUTION NMR                                                          
NUMMDL    20                                                                    
AUTHOR    Z.DU,C.WANG                                                           
REVDAT   3   15-MAY-24 2L8L    1       REMARK                                   
REVDAT   2   06-OCT-21 2L8L    1       REMARK SEQADV                            
REVDAT   1   04-JAN-12 2L8L    0                                                
JRNL        AUTH   Z.DU,Y.ZHENG,M.PATTERSON,Y.LIU,C.WANG                        
JRNL        TITL   PK(A) COUPLING AT THE INTEIN ACTIVE SITE: IMPLICATIONS FOR   
JRNL        TITL 2 THE COORDINATION MECHANISM OF PROTEIN SPLICING WITH A        
JRNL        TITL 3 CONSERVED ASPARTATE.                                         
JRNL        REF    J.AM.CHEM.SOC.                V. 133 10275 2011              
JRNL        REFN                   ISSN 0002-7863                               
JRNL        PMID   21604815                                                     
JRNL        DOI    10.1021/JA203209F                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SPARKY, X-PLOR NIH                                   
REMARK   3   AUTHORS     : GODDARD (SPARKY)                                     
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2L8L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-JAN-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000102092.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 298                                
REMARK 210  PH                             : 7                                  
REMARK 210  IONIC STRENGTH                 : 150                                
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 50 MM SODIUM PHOSPHATE, 100 MM     
REMARK 210                                   SODIUM CHLORIDE, 1 MM SODIUM       
REMARK 210                                   AZIDE, 0.15-0.2 MM [U-98% 13C; U-  
REMARK 210                                   98% 15N] PROTEIN, 90% H2O/10% D2O  
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 3D HCCH-COSY; 3D HNCACB; 3D 1H     
REMARK 210                                   -13C NOESY ALIPHATIC               
REMARK 210  SPECTROMETER FIELD STRENGTH    : 800 MHZ; 600 MHZ                   
REMARK 210  SPECTROMETER MODEL             : ARX                                
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : X-PLOR NIH                         
REMARK 210   METHOD USED                   : SIMULATED ANNEALING                
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 200                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH THE LOWEST         
REMARK 210                                   ENERGY                             
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: NULL                                                         
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
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   HG1  THR A    39     HE2  HIS A    41              1.30            
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  1 THR A  15     -168.32   -105.80                                   
REMARK 500  1 ARG A  26       68.77     15.37                                   
REMARK 500  1 PRO A  28       83.27    -57.16                                   
REMARK 500  1 LYS A  89       90.35    -45.01                                   
REMARK 500  1 PRO A 113      165.93    -47.39                                   
REMARK 500  1 ARG A 115     -142.05   -133.06                                   
REMARK 500  1 GLU A 125      -95.65     18.52                                   
REMARK 500  1 HIS A 128       97.81    -42.70                                   
REMARK 500  1 THR A 129      143.48    175.14                                   
REMARK 500  1 HIS A 138      153.48    -37.37                                   
REMARK 500  2 ARG A  26       56.49     22.61                                   
REMARK 500  2 PRO A  28       12.34    -58.10                                   
REMARK 500  2 ILE A  29      175.89    -40.23                                   
REMARK 500  2 ALA A  62       24.43     36.97                                   
REMARK 500  2 LEU A  76       99.12    -31.21                                   
REMARK 500  2 LYS A  89       92.59    -46.37                                   
REMARK 500  2 PRO A 113      162.91    -49.50                                   
REMARK 500  2 ARG A 115     -139.15   -135.18                                   
REMARK 500  2 GLU A 126      -67.78     69.21                                   
REMARK 500  2 HIS A 128       96.83    -62.08                                   
REMARK 500  2 THR A 129      155.06    165.40                                   
REMARK 500  2 HIS A 138      148.06    -34.42                                   
REMARK 500  3 ARG A  26       67.68     15.15                                   
REMARK 500  3 PRO A  28        9.64    -53.83                                   
REMARK 500  3 ILE A  29      176.16    -38.01                                   
REMARK 500  3 GLN A  51     -105.50   -108.82                                   
REMARK 500  3 LYS A  89       91.46    -43.55                                   
REMARK 500  3 GLU A 125     -118.30     15.54                                   
REMARK 500  3 HIS A 128       98.05    -60.44                                   
REMARK 500  3 THR A 129      152.70    167.44                                   
REMARK 500  3 HIS A 138      157.50    -36.17                                   
REMARK 500  4 THR A  15     -168.68   -108.52                                   
REMARK 500  4 ARG A  26       60.95     17.63                                   
REMARK 500  4 ALA A  62       33.97     23.89                                   
REMARK 500  4 LEU A  76       95.84    -32.22                                   
REMARK 500  4 LYS A  89      103.00    -45.41                                   
REMARK 500  4 PRO A 113      166.00    -48.64                                   
REMARK 500  4 ARG A 115     -143.28   -134.89                                   
REMARK 500  4 GLU A 126      -69.90     69.24                                   
REMARK 500  4 HIS A 128       99.73    -65.83                                   
REMARK 500  4 THR A 129      145.59    166.60                                   
REMARK 500  4 HIS A 138      153.73    -33.93                                   
REMARK 500  5 ARG A  26       67.91     13.08                                   
REMARK 500  5 ILE A  29      172.48    -37.10                                   
REMARK 500  5 LYS A  89       86.76    -49.72                                   
REMARK 500  5 ARG A 115     -141.75   -141.92                                   
REMARK 500  5 GLU A 125      -87.63     25.10                                   
REMARK 500  5 HIS A 128       94.96    -38.90                                   
REMARK 500  5 THR A 129      141.05    172.07                                   
REMARK 500  5 HIS A 138      152.86    -31.35                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     197 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 17414   RELATED DB: BMRB                                 
DBREF  2L8L A    1    94  UNP    P0A5U4   RECA_MYCTU     252    345             
DBREF  2L8L A  102   139  UNP    P0A5U4   RECA_MYCTU     654    691             
SEQADV 2L8L LEU A   67  UNP  P0A5U4    VAL   318 ENGINEERED MUTATION            
SEQADV 2L8L VAL A   95  UNP  P0A5U4              LINKER                         
SEQADV 2L8L ARG A   96  UNP  P0A5U4              LINKER                         
SEQADV 2L8L ASP A   97  UNP  P0A5U4              LINKER                         
SEQADV 2L8L VAL A   98  UNP  P0A5U4              LINKER                         
SEQADV 2L8L GLU A   99  UNP  P0A5U4              LINKER                         
SEQADV 2L8L THR A  100  UNP  P0A5U4              LINKER                         
SEQADV 2L8L GLY A  101  UNP  P0A5U4              LINKER                         
SEQRES   1 A  139  CYS LEU ALA GLU GLY THR ARG ILE PHE ASP PRO VAL THR          
SEQRES   2 A  139  GLY THR THR HIS ARG ILE GLU ASP VAL VAL ASP GLY ARG          
SEQRES   3 A  139  LYS PRO ILE HIS VAL VAL ALA ALA ALA LYS ASP GLY THR          
SEQRES   4 A  139  LEU HIS ALA ARG PRO VAL VAL SER TRP PHE ASP GLN GLY          
SEQRES   5 A  139  THR ARG ASP VAL ILE GLY LEU ARG ILE ALA GLY GLY ALA          
SEQRES   6 A  139  ILE LEU TRP ALA THR PRO ASP HIS LYS VAL LEU THR GLU          
SEQRES   7 A  139  TYR GLY TRP ARG ALA ALA GLY GLU LEU ARG LYS GLY ASP          
SEQRES   8 A  139  ARG VAL ALA VAL ARG ASP VAL GLU THR GLY GLU LEU ARG          
SEQRES   9 A  139  TYR SER VAL ILE ARG GLU VAL LEU PRO THR ARG ARG ALA          
SEQRES  10 A  139  ARG THR PHE ASP LEU GLU VAL GLU GLU LEU HIS THR LEU          
SEQRES  11 A  139  VAL ALA GLU GLY VAL VAL VAL HIS ASN                          
HELIX    1   1 ILE A   19  GLY A   25  1                                   7    
HELIX    2   2 GLY A   85  LEU A   87  5                                   3    
SHEET    1   A 4 LEU A   2  ALA A   3  0                                        
SHEET    2   A 4 ALA A 117  VAL A 124 -1  O  PHE A 120   N  LEU A   2           
SHEET    3   A 4 LEU A  40  ARG A  54 -1  N  GLN A  51   O  THR A 119           
SHEET    4   A 4 HIS A  30  ALA A  34 -1  N  ALA A  33   O  HIS A  41           
SHEET    1   B 2 ARG A   7  PHE A   9  0                                        
SHEET    2   B 2 THR A  16  ARG A  18 -1  O  HIS A  17   N  ILE A   8           
SHEET    1   C 4 ILE A  66  ALA A  69  0                                        
SHEET    2   C 4 ILE A  57  ILE A  61 -1  N  LEU A  59   O  LEU A  67           
SHEET    3   C 4 LEU A 103  LEU A 112 -1  O  ARG A 109   N  ARG A  60           
SHEET    4   C 4 ARG A  92  ARG A  96 -1  N  VAL A  95   O  ARG A 104           
SHEET    1   D 2 LYS A  74  THR A  77  0                                        
SHEET    2   D 2 GLY A  80  ALA A  83 -1  O  ARG A  82   N  VAL A  75           
SHEET    1   E 2 LEU A 130  ALA A 132  0                                        
SHEET    2   E 2 VAL A 135  VAL A 137 -1  O  VAL A 135   N  ALA A 132           
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1