HEADER    HYDROLASE/RNA                           23-JAN-14   4OLB              
TITLE     CRYSTAL STRUCTURE OF HUMAN ARGONAUTE2 BOUND TO TRYPTOPHAN             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN ARGONAUTE-2;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: ARGONAUTE2, HAGO2, EUKARYOTIC TRANSLATION INITIATION FACTOR 
COMPND   5 2C 2, EIF-2C 2, EIF2C 2, PAZ PIWI DOMAIN PROTEIN, PPD, PROTEIN       
COMPND   6 SLICER;                                                              
COMPND   7 EC: 3.1.26.-;                                                        
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MUTATION: YES;                                                       
COMPND  10 MOL_ID: 2;                                                           
COMPND  11 MOLECULE: 5'-R(P*AP*AP*AP*AP*AP*AP*AP*AP*AP*U)-3';                   
COMPND  12 CHAIN: B;                                                            
COMPND  13 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: EIF2C2, AGO2;                                                  
SOURCE   6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: SF9;                                       
SOURCE  10 MOL_ID: 2;                                                           
SOURCE  11 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  12 ORGANISM_COMMON: HUMAN;                                              
SOURCE  13 ORGANISM_TAXID: 9606;                                                
SOURCE  14 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE  15 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE  16 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE  17 EXPRESSION_SYSTEM_STRAIN: SF9                                        
KEYWDS    RNA-BINDING PROTEIN, RNA INTERFERENCE, PROTEIN-RNA COMPLEX, AGO,      
KEYWDS   2 HYDROLASE-RNA COMPLEX                                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.T.SCHIRLE,I.J.MACRAE                                                
REVDAT   2   20-SEP-23 4OLB    1       REMARK SEQADV                            
REVDAT   1   05-FEB-14 4OLB    0                                                
SPRSDE     05-FEB-14 4OLB      4EI3                                             
JRNL        AUTH   N.T.SCHIRLE,I.J.MACRAE                                       
JRNL        TITL   THE CRYSTAL STRUCTURE OF HUMAN ARGONAUTE2.                   
JRNL        REF    SCIENCE                       V. 336  1037 2012              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   22539551                                                     
JRNL        DOI    10.1126/SCIENCE.1221551                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.8.2_1309)                   
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) : 2.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.05                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 18863                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.212                           
REMARK   3   R VALUE            (WORKING SET) : 0.210                           
REMARK   3   FREE R VALUE                     : 0.249                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.060                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 955                             
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 39.0483 -  5.5420    0.98     2601   146  0.1979 0.2414        
REMARK   3     2  5.5420 -  4.4007    0.99     2600   138  0.1787 0.2016        
REMARK   3     3  4.4007 -  3.8450    0.98     2545   150  0.1918 0.2313        
REMARK   3     4  3.8450 -  3.4937    0.99     2583   124  0.2090 0.2542        
REMARK   3     5  3.4937 -  3.2434    0.97     2566   113  0.2498 0.2818        
REMARK   3     6  3.2434 -  3.0523    0.99     2554   153  0.2538 0.3290        
REMARK   3     7  3.0523 -  2.8990    0.94     2459   131  0.2868 0.3190        
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              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.410            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.610           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  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      :  0.003           6769                                  
REMARK   3   ANGLE     :  0.787           9197                                  
REMARK   3   CHIRALITY :  0.053           1030                                  
REMARK   3   PLANARITY :  0.003           1145                                  
REMARK   3   DIHEDRAL  : 14.531           2573                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: ALL                                                    
REMARK   3    ORIGIN FOR THE GROUP (A): -24.9963  12.6411  39.5314              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2909 T22:   0.2855                                     
REMARK   3      T33:   0.2761 T12:   0.0448                                     
REMARK   3      T13:   0.0092 T23:   0.0399                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.8345 L22:   0.4723                                     
REMARK   3      L33:   0.5868 L12:   0.0679                                     
REMARK   3      L13:   0.1492 L23:   0.2998                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0055 S12:   0.0243 S13:   0.1089                       
REMARK   3      S21:  -0.0748 S22:  -0.0474 S23:  -0.0136                       
REMARK   3      S31:   0.0920 S32:   0.1137 S33:   0.0477                       
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 4OLB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JAN-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000084636.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 30-JAN-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 9.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL11-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97945                            
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19005                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.893                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 65.347                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.9                               
REMARK 200  DATA REDUNDANCY                : 3.400                              
REMARK 200  R MERGE                    (I) : 0.05800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.89                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.05                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.28600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: PDB ENTRY 4OLA                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.87                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 16% PEG3350, 12% ISOPROPANOL,            
REMARK 280  SATURATED L-TRYPTOPHAN, 0.1 M TRIS, PH 9.0, VAPOR DIFFUSION,        
REMARK 280  HANGING DROP, TEMPERATURE 293K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       53.37350            
REMARK 290   SMTRY3   2  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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 3130 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 36430 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 KCAL/MOL                        
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     MET A     1                                                      
REMARK 465     TYR A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     GLY A     4                                                      
REMARK 465     ALA A     5                                                      
REMARK 465     GLY A     6                                                      
REMARK 465     PRO A     7                                                      
REMARK 465     ALA A     8                                                      
REMARK 465     LEU A     9                                                      
REMARK 465     ALA A    10                                                      
REMARK 465     PRO A    11                                                      
REMARK 465     PRO A    12                                                      
REMARK 465     ALA A    13                                                      
REMARK 465     PRO A    14                                                      
REMARK 465     PRO A    15                                                      
REMARK 465     PRO A    16                                                      
REMARK 465     PRO A    17                                                      
REMARK 465     ILE A    18                                                      
REMARK 465     GLN A    19                                                      
REMARK 465     GLY A    20                                                      
REMARK 465     TYR A    21                                                      
REMARK 465     PRO A   120                                                      
REMARK 465     GLY A   121                                                      
REMARK 465     GLU A   122                                                      
REMARK 465     GLY A   123                                                      
REMARK 465     LYS A   124                                                      
REMARK 465     ASP A   125                                                      
REMARK 465     PRO A   152                                                      
REMARK 465     SER A   153                                                      
REMARK 465     GLU A   186                                                      
REMARK 465     GLY A   187                                                      
REMARK 465     CYS A   188                                                      
REMARK 465     GLU A   245                                                      
REMARK 465     GLN A   246                                                      
REMARK 465     CYS A   272                                                      
REMARK 465     GLY A   273                                                      
REMARK 465     GLN A   274                                                      
REMARK 465     MET A   275                                                      
REMARK 465     GLN A   334                                                      
REMARK 465     LYS A   335                                                      
REMARK 465     ALA A   603                                                      
REMARK 465     GLY A   604                                                      
REMARK 465     ASP A   605                                                      
REMARK 465     GLY A   606                                                      
REMARK 465     ASP A   819                                                      
REMARK 465     LYS A   820                                                      
REMARK 465     GLU A   821                                                      
REMARK 465     HIS A   822                                                      
REMARK 465     ASP A   823                                                      
REMARK 465     SER A   824                                                      
REMARK 465     ALA A   825                                                      
REMARK 465     GLU A   826                                                      
REMARK 465     GLY A   827                                                      
REMARK 465     SER A   828                                                      
REMARK 465     HIS A   829                                                      
REMARK 465     THR A   830                                                      
REMARK 465     SER A   831                                                      
REMARK 465     GLY A   832                                                      
REMARK 465     GLN A   833                                                      
REMARK 465     SER A   834                                                      
REMARK 465     ASN A   835                                                      
REMARK 465     GLY A   836                                                      
REMARK 465     ARG A   837                                                      
REMARK 465     ASP A   838                                                      
REMARK 465     HIS A   839                                                      
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       A B   8    N9   C8   N7   C5   C6   N6   N1                    
REMARK 470       A B   8    C2   N3   C4                                        
REMARK 470       A B   9    C5'  C4'  O4'  C3'  O3'  C2'  O2'                   
REMARK 470       A B   9    C1'  N9   C8   N7   C5   C6   N6                    
REMARK 470       A B   9    N1   C2   N3   C4                                   
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   O    HIS A   711     O    HOH A  1005              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   NZ   LYS A    65     OD1  ASP A   851     2546     2.04            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500      A B   1   P       A B   1   OP3    -0.128                       
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    ARG A 280   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    PHE A  23      -72.65   -143.45                                   
REMARK 500    ASN A  43       41.63    -75.01                                   
REMARK 500    ILE A  86      -61.87   -126.40                                   
REMARK 500    ARG A  97      -83.78   -122.15                                   
REMARK 500    PRO A 107       47.42    -70.88                                   
REMARK 500    ARG A 110      -45.69   -174.68                                   
REMARK 500    ARG A 150       85.34     -8.96                                   
REMARK 500    PRO A 155       99.36    -62.15                                   
REMARK 500    TRP A 211      -19.13     70.29                                   
REMARK 500    LYS A 248      143.60   -175.03                                   
REMARK 500    PRO A 326     -178.54    -69.58                                   
REMARK 500    ASN A 439       39.81     29.03                                   
REMARK 500    CYS A 492      107.15   -162.24                                   
REMARK 500    THR A 526      143.21   -172.92                                   
REMARK 500    VAL A 539      -71.51    -91.26                                   
REMARK 500    ASN A 623      -60.53   -129.94                                   
REMARK 500    ASP A 641       34.59    -91.95                                   
REMARK 500    LYS A 739      -49.90     66.18                                   
REMARK 500    ALA A 845        0.12    -69.30                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     TRP A  901                                                       
REMARK 610     TRP A  902                                                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRP A 901                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRP A 902                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4OLA   RELATED DB: PDB                                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE RNA STRAND BETWEEN RESIDUES A9 AND U21 IS DISORDERED. BOTH THE   
REMARK 999 SEQUENCE AND LENGTH OF THE DISORDERED REGION ARE UNKNOWN.            
DBREF  4OLB A    1   859  UNP    Q9UKV8   AGO2_HUMAN       1    859             
DBREF  4OLB B    1    21  PDB    4OLB     4OLB             1     21             
SEQADV 4OLB ASP A  387  UNP  Q9UKV8    SER   387 ENGINEERED MUTATION            
SEQRES   1 A  859  MET TYR SER GLY ALA GLY PRO ALA LEU ALA PRO PRO ALA          
SEQRES   2 A  859  PRO PRO PRO PRO ILE GLN GLY TYR ALA PHE LYS PRO PRO          
SEQRES   3 A  859  PRO ARG PRO ASP PHE GLY THR SER GLY ARG THR ILE LYS          
SEQRES   4 A  859  LEU GLN ALA ASN PHE PHE GLU MET ASP ILE PRO LYS ILE          
SEQRES   5 A  859  ASP ILE TYR HIS TYR GLU LEU ASP ILE LYS PRO GLU LYS          
SEQRES   6 A  859  CYS PRO ARG ARG VAL ASN ARG GLU ILE VAL GLU HIS MET          
SEQRES   7 A  859  VAL GLN HIS PHE LYS THR GLN ILE PHE GLY ASP ARG LYS          
SEQRES   8 A  859  PRO VAL PHE ASP GLY ARG LYS ASN LEU TYR THR ALA MET          
SEQRES   9 A  859  PRO LEU PRO ILE GLY ARG ASP LYS VAL GLU LEU GLU VAL          
SEQRES  10 A  859  THR LEU PRO GLY GLU GLY LYS ASP ARG ILE PHE LYS VAL          
SEQRES  11 A  859  SER ILE LYS TRP VAL SER CYS VAL SER LEU GLN ALA LEU          
SEQRES  12 A  859  HIS ASP ALA LEU SER GLY ARG LEU PRO SER VAL PRO PHE          
SEQRES  13 A  859  GLU THR ILE GLN ALA LEU ASP VAL VAL MET ARG HIS LEU          
SEQRES  14 A  859  PRO SER MET ARG TYR THR PRO VAL GLY ARG SER PHE PHE          
SEQRES  15 A  859  THR ALA SER GLU GLY CYS SER ASN PRO LEU GLY GLY GLY          
SEQRES  16 A  859  ARG GLU VAL TRP PHE GLY PHE HIS GLN SER VAL ARG PRO          
SEQRES  17 A  859  SER LEU TRP LYS MET MET LEU ASN ILE ASP VAL SER ALA          
SEQRES  18 A  859  THR ALA PHE TYR LYS ALA GLN PRO VAL ILE GLU PHE VAL          
SEQRES  19 A  859  CYS GLU VAL LEU ASP PHE LYS SER ILE GLU GLU GLN GLN          
SEQRES  20 A  859  LYS PRO LEU THR ASP SER GLN ARG VAL LYS PHE THR LYS          
SEQRES  21 A  859  GLU ILE LYS GLY LEU LYS VAL GLU ILE THR HIS CYS GLY          
SEQRES  22 A  859  GLN MET LYS ARG LYS TYR ARG VAL CYS ASN VAL THR ARG          
SEQRES  23 A  859  ARG PRO ALA SER HIS GLN THR PHE PRO LEU GLN GLN GLU          
SEQRES  24 A  859  SER GLY GLN THR VAL GLU CYS THR VAL ALA GLN TYR PHE          
SEQRES  25 A  859  LYS ASP ARG HIS LYS LEU VAL LEU ARG TYR PRO HIS LEU          
SEQRES  26 A  859  PRO CYS LEU GLN VAL GLY GLN GLU GLN LYS HIS THR TYR          
SEQRES  27 A  859  LEU PRO LEU GLU VAL CYS ASN ILE VAL ALA GLY GLN ARG          
SEQRES  28 A  859  CYS ILE LYS LYS LEU THR ASP ASN GLN THR SER THR MET          
SEQRES  29 A  859  ILE ARG ALA THR ALA ARG SER ALA PRO ASP ARG GLN GLU          
SEQRES  30 A  859  GLU ILE SER LYS LEU MET ARG SER ALA ASP PHE ASN THR          
SEQRES  31 A  859  ASP PRO TYR VAL ARG GLU PHE GLY ILE MET VAL LYS ASP          
SEQRES  32 A  859  GLU MET THR ASP VAL THR GLY ARG VAL LEU GLN PRO PRO          
SEQRES  33 A  859  SER ILE LEU TYR GLY GLY ARG ASN LYS ALA ILE ALA THR          
SEQRES  34 A  859  PRO VAL GLN GLY VAL TRP ASP MET ARG ASN LYS GLN PHE          
SEQRES  35 A  859  HIS THR GLY ILE GLU ILE LYS VAL TRP ALA ILE ALA CYS          
SEQRES  36 A  859  PHE ALA PRO GLN ARG GLN CYS THR GLU VAL HIS LEU LYS          
SEQRES  37 A  859  SER PHE THR GLU GLN LEU ARG LYS ILE SER ARG ASP ALA          
SEQRES  38 A  859  GLY MET PRO ILE GLN GLY GLN PRO CYS PHE CYS LYS TYR          
SEQRES  39 A  859  ALA GLN GLY ALA ASP SER VAL GLU PRO MET PHE ARG HIS          
SEQRES  40 A  859  LEU LYS ASN THR TYR ALA GLY LEU GLN LEU VAL VAL VAL          
SEQRES  41 A  859  ILE LEU PRO GLY LYS THR PRO VAL TYR ALA GLU VAL LYS          
SEQRES  42 A  859  ARG VAL GLY ASP THR VAL LEU GLY MET ALA THR GLN CYS          
SEQRES  43 A  859  VAL GLN MET LYS ASN VAL GLN ARG THR THR PRO GLN THR          
SEQRES  44 A  859  LEU SER ASN LEU CYS LEU LYS ILE ASN VAL LYS LEU GLY          
SEQRES  45 A  859  GLY VAL ASN ASN ILE LEU LEU PRO GLN GLY ARG PRO PRO          
SEQRES  46 A  859  VAL PHE GLN GLN PRO VAL ILE PHE LEU GLY ALA ASP VAL          
SEQRES  47 A  859  THR HIS PRO PRO ALA GLY ASP GLY LYS LYS PRO SER ILE          
SEQRES  48 A  859  ALA ALA VAL VAL GLY SER MET ASP ALA HIS PRO ASN ARG          
SEQRES  49 A  859  TYR CYS ALA THR VAL ARG VAL GLN GLN HIS ARG GLN GLU          
SEQRES  50 A  859  ILE ILE GLN ASP LEU ALA ALA MET VAL ARG GLU LEU LEU          
SEQRES  51 A  859  ILE GLN PHE TYR LYS SER THR ARG PHE LYS PRO THR ARG          
SEQRES  52 A  859  ILE ILE PHE TYR ARG ASP GLY VAL SER GLU GLY GLN PHE          
SEQRES  53 A  859  GLN GLN VAL LEU HIS HIS GLU LEU LEU ALA ILE ARG GLU          
SEQRES  54 A  859  ALA CYS ILE LYS LEU GLU LYS ASP TYR GLN PRO GLY ILE          
SEQRES  55 A  859  THR PHE ILE VAL VAL GLN LYS ARG HIS HIS THR ARG LEU          
SEQRES  56 A  859  PHE CYS THR ASP LYS ASN GLU ARG VAL GLY LYS SER GLY          
SEQRES  57 A  859  ASN ILE PRO ALA GLY THR THR VAL ASP THR LYS ILE THR          
SEQRES  58 A  859  HIS PRO THR GLU PHE ASP PHE TYR LEU CYS SER HIS ALA          
SEQRES  59 A  859  GLY ILE GLN GLY THR SER ARG PRO SER HIS TYR HIS VAL          
SEQRES  60 A  859  LEU TRP ASP ASP ASN ARG PHE SER SER ASP GLU LEU GLN          
SEQRES  61 A  859  ILE LEU THR TYR GLN LEU CYS HIS THR TYR VAL ARG CYS          
SEQRES  62 A  859  THR ARG SER VAL SER ILE PRO ALA PRO ALA TYR TYR ALA          
SEQRES  63 A  859  HIS LEU VAL ALA PHE ARG ALA ARG TYR HIS LEU VAL ASP          
SEQRES  64 A  859  LYS GLU HIS ASP SER ALA GLU GLY SER HIS THR SER GLY          
SEQRES  65 A  859  GLN SER ASN GLY ARG ASP HIS GLN ALA LEU ALA LYS ALA          
SEQRES  66 A  859  VAL GLN VAL HIS GLN ASP THR LEU ARG THR MET TYR PHE          
SEQRES  67 A  859  ALA                                                          
SEQRES   1 B   10    A   A   A   A   A   A   A   A   A   U                      
HET    TRP  A 901      14                                                       
HET    TRP  A 902      14                                                       
HETNAM     TRP TRYPTOPHAN                                                       
FORMUL   3  TRP    2(C11 H12 N2 O2)                                             
FORMUL   5  HOH   *7(H2 O)                                                      
HELIX    1   1 PRO A   67  PHE A   82  1                                  16    
HELIX    2   2 LEU A  140  GLY A  149  1                                  10    
HELIX    3   3 PRO A  155  ARG A  167  1                                  13    
HELIX    4   4 LEU A  169  TYR A  174  1                                   6    
HELIX    5   5 PRO A  229  ASP A  239  1                                  11    
HELIX    6   6 THR A  251  LYS A  263  1                                  13    
HELIX    7   7 VAL A  308  ARG A  315  1                                   8    
HELIX    8   8 THR A  357  ALA A  369  1                                  13    
HELIX    9   9 SER A  371  ASP A  387  1                                  17    
HELIX   10  10 PHE A  388  THR A  390  5                                   3    
HELIX   11  11 ASP A  391  PHE A  397  1                                   7    
HELIX   12  12 THR A  463  GLY A  482  1                                  20    
HELIX   13  13 GLY A  497  ASP A  499  5                                   3    
HELIX   14  14 SER A  500  TYR A  512  1                                  13    
HELIX   15  15 PRO A  527  THR A  538  1                                  12    
HELIX   16  16 MET A  549  ARG A  554  1                                   6    
HELIX   17  17 THR A  556  LEU A  571  1                                  16    
HELIX   18  18 PRO A  584  GLN A  589  5                                   6    
HELIX   19  19 ASP A  641  ARG A  658  1                                  18    
HELIX   20  20 SER A  672  GLY A  674  5                                   3    
HELIX   21  21 GLN A  675  GLU A  695  1                                  21    
HELIX   22  22 ASP A  719  ARG A  723  5                                   5    
HELIX   23  23 SER A  775  CYS A  787  1                                  13    
HELIX   24  24 PRO A  800  LEU A  817  1                                  18    
HELIX   25  25 HIS A  849  ARG A  854  1                                   6    
SHEET    1   A11 TYR A 625  GLN A 632  0                                        
SHEET    2   A11 SER A 610  SER A 617 -1  N  VAL A 614   O  THR A 628           
SHEET    3   A11 VAL A 591  THR A 599 -1  N  ASP A 597   O  ALA A 613           
SHEET    4   A11 ARG A 663  ASP A 669  1  O  ILE A 665   N  LEU A 594           
SHEET    5   A11 GLY A 701  GLN A 708  1  O  ILE A 705   N  ARG A 668           
SHEET    6   A11 SER A 763  ASP A 770 -1  O  HIS A 764   N  GLN A 708           
SHEET    7   A11 PHE A 746  CYS A 751 -1  N  PHE A 746   O  VAL A 767           
SHEET    8   A11 THR A 734  VAL A 736 -1  N  VAL A 736   O  TYR A 749           
SHEET    9   A11 THR A 406  VAL A 412 -1  N  ARG A 411   O  THR A 735           
SHEET   10   A11 ARG A  36  ALA A  42 -1  N  LEU A  40   O  VAL A 408           
SHEET   11   A11 LEU A 715  CYS A 717 -1  O  PHE A 716   N  GLN A  41           
SHEET    1   B 5 THR A 175  VAL A 177  0                                        
SHEET    2   B 5 SER A 180  THR A 183 -1  O  PHE A 182   N  THR A 175           
SHEET    3   B 5 ARG A 196  PRO A 208 -1  O  PHE A 202   N  PHE A 181           
SHEET    4   B 5 MET A 213  TYR A 225 -1  O  MET A 214   N  ARG A 207           
SHEET    5   B 5 GLN A 350  ARG A 351 -1  O  GLN A 350   N  TYR A 225           
SHEET    1   C 5 PRO A 191  GLY A 193  0                                        
SHEET    2   C 5 ARG A 196  PRO A 208 -1  O  ARG A 196   N  LEU A 192           
SHEET    3   C 5 MET A 213  TYR A 225 -1  O  MET A 214   N  ARG A 207           
SHEET    4   C 5 PHE A  44  ASP A  48 -1  N  PHE A  45   O  LEU A 215           
SHEET    5   C 5 MET A 400  VAL A 401 -1  O  MET A 400   N  ASP A  48           
SHEET    1   D 5 VAL A  93  PHE A  94  0                                        
SHEET    2   D 5 ASN A  99  THR A 102 -1  O  TYR A 101   N  VAL A  93           
SHEET    3   D 5 ASP A  53  LYS A  62 -1  N  TYR A  57   O  LEU A 100           
SHEET    4   D 5 PHE A 128  SER A 139 -1  O  VAL A 138   N  ILE A  54           
SHEET    5   D 5 VAL A 113  VAL A 117 -1  N  LEU A 115   O  VAL A 130           
SHEET    1   E 5 THR A 337  PRO A 340  0                                        
SHEET    2   E 5 PRO A 326  VAL A 330 -1  N  LEU A 328   O  LEU A 339           
SHEET    3   E 5 LYS A 278  PRO A 288 -1  N  ASN A 283   O  GLN A 329           
SHEET    4   E 5 LYS A 266  ILE A 269 -1  N  VAL A 267   O  TYR A 279           
SHEET    5   E 5 CYS A 344  ILE A 346 -1  O  ASN A 345   N  GLU A 268           
SHEET    1   F 2 THR A 293  GLN A 297  0                                        
SHEET    2   F 2 THR A 303  THR A 307 -1  O  VAL A 304   N  LEU A 296           
SHEET    1   G 3 ILE A 427  ALA A 428  0                                        
SHEET    2   G 3 ILE A 418  LEU A 419 -1  N  ILE A 418   O  ALA A 428           
SHEET    3   G 3 ILE A 577  LEU A 578 -1  O  ILE A 577   N  LEU A 419           
SHEET    1   H 4 PHE A 491  TYR A 494  0                                        
SHEET    2   H 4 TRP A 451  CYS A 455  1  N  CYS A 455   O  LYS A 493           
SHEET    3   H 4 LEU A 517  LEU A 522  1  O  ILE A 521   N  ALA A 454           
SHEET    4   H 4 THR A 544  GLN A 548  1  O  VAL A 547   N  VAL A 520           
CISPEP   1 LYS A   62    PRO A   63          0         6.66                     
CISPEP   2 ARG A  150    LEU A  151          0       -22.47                     
CISPEP   3 HIS A  621    PRO A  622          0        -8.08                     
SITE     1 AC1  7 PHE A 587  GLN A 589  PRO A 590  VAL A 591                    
SITE     2 AC1  7 ALA A 620  PHE A 653  PHE A 659                               
SITE     1 AC2  6 LEU A 650  TYR A 654  LYS A 660  LEU A 694                    
SITE     2 AC2  6 GLU A 695  TYR A 698                                          
CRYST1   63.207  106.747   68.341  90.00 107.01  90.00 P 1 21 1      2          
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      0.015821  0.000000  0.004839        0.00000                         
SCALE2      0.000000  0.009368  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015302        0.00000