HEADER    HYDROLASE                               07-APR-10   3MGM              
TITLE     CRYSTAL STRUCTURE OF HUMAN NUDT16                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: U8 SNORNA-DECAPPING ENZYME;                                
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: NUCLEOSIDE DIPHOSPHATE-LINKED MOIETY X MOTIF 16, NUDIX MOTIF
COMPND   5 16, U8 SNORNA-BINDING PROTEIN H29K;                                  
COMPND   6 EC: 3.6.1.-;                                                         
COMPND   7 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: HNUDT16, NUDT16;                                               
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLAMID;                               
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET-30A(+)                                
KEYWDS    HNUDT16, NUDIX FOLD, TWO DOMAINS, DIMMER, HYDROLASE                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.YAN,G.LU,J.ZHANG,J.QI,Z.LI,F.GAO                                    
REVDAT   2   01-NOV-23 3MGM    1       SEQADV                                   
REVDAT   1   20-APR-11 3MGM    0                                                
JRNL        AUTH   G.LU,J.ZHANG,Z.LI,Q.ZHANG,J.QI,F.GAO,H.PENG,T.WANG,G.F.GAO,  
JRNL        AUTH 2 J.YAN                                                        
JRNL        TITL   CRYSTAL STRUCTURE AND THE TEMPLATE MRNA DECAPPING ACTIVITY   
JRNL        TITL 2 OF HUMAN NUDT16                                              
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 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) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.36                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.100                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 31528                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.185                           
REMARK   3   R VALUE            (WORKING SET) : 0.184                           
REMARK   3   FREE R VALUE                     : 0.201                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.040                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1589                            
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 24.3577 -  3.9995    1.00     2969   167  0.1931 0.1923        
REMARK   3     2  3.9995 -  3.1767    1.00     2846   149  0.1717 0.1512        
REMARK   3     3  3.1767 -  2.7758    0.99     2800   149  0.1916 0.2116        
REMARK   3     4  2.7758 -  2.5223    0.99     2793   143  0.1800 0.2198        
REMARK   3     5  2.5223 -  2.3417    0.98     2738   143  0.1812 0.2268        
REMARK   3     6  2.3417 -  2.2037    0.97     2681   161  0.1701 0.2026        
REMARK   3     7  2.2037 -  2.0934    0.97     2699   140  0.1596 0.2059        
REMARK   3     8  2.0934 -  2.0023    0.96     2696   127  0.1643 0.1905        
REMARK   3     9  2.0023 -  1.9253    0.96     2634   124  0.1589 0.1989        
REMARK   3    10  1.9253 -  1.8589    0.93     2559   151  0.1662 0.2289        
REMARK   3    11  1.8589 -  1.8008    0.91     2524   135  0.1803 0.2371        
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              : 0.36                                          
REMARK   3   B_SOL              : 55.09                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.200            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.290           
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      :  0.004           2610                                  
REMARK   3   ANGLE     :  0.862           3526                                  
REMARK   3   CHIRALITY :  0.060            384                                  
REMARK   3   PLANARITY :  0.003            466                                  
REMARK   3   DIHEDRAL  : 16.016            956                                  
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):   2.1706   2.1127   3.5338              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0948 T22:   0.0943                                     
REMARK   3      T33:   0.1214 T12:  -0.0025                                     
REMARK   3      T13:   0.0042 T23:   0.0041                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4481 L22:   0.6419                                     
REMARK   3      L33:   1.0648 L12:  -0.0276                                     
REMARK   3      L13:   0.0715 L23:   0.0161                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0065 S12:  -0.0323 S13:  -0.0310                       
REMARK   3      S21:   0.0367 S22:  -0.0122 S23:   0.0548                       
REMARK   3      S31:   0.0339 S32:  -0.0765 S33:   0.0000                       
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 3MGM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-APR-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000058520.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU MICROMAX-007                
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : SI 111 CHANNEL                     
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS VII                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32018                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.2                               
REMARK 200  DATA REDUNDANCY                : 7.200                              
REMARK 200  R MERGE                    (I) : 0.04200                            
REMARK 200  R SYM                      (I) : 0.04200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 39.8000                            
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) : 1.86                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32300                            
REMARK 200  R SYM FOR SHELL            (I) : 0.32300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 7.750                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: 1U20                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 36.83                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.95                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1M IMIDAZOLE, PH 7.0, VAPOR DIFFUSION,   
REMARK 280  HANGING DROP, TEMPERATURE 291K                                      
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       22.20600            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       48.71100            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       39.57650            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       48.71100            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.20600            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       39.57650            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2670 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 15170 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 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     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     GLY A     3                                                      
REMARK 465     ALA A     4                                                      
REMARK 465     ARG A     5                                                      
REMARK 465     ARG A     6                                                      
REMARK 465     LEU A     7                                                      
REMARK 465     GLU A     8                                                      
REMARK 465     LEU A     9                                                      
REMARK 465     GLY A    10                                                      
REMARK 465     GLU A    11                                                      
REMARK 465     ALA A    12                                                      
REMARK 465     LEU A    13                                                      
REMARK 465     ALA A    14                                                      
REMARK 465     LEU A    15                                                      
REMARK 465     GLY A    16                                                      
REMARK 465     SER A    17                                                      
REMARK 465     GLN A   182                                                      
REMARK 465     SER A   183                                                      
REMARK 465     GLY A   184                                                      
REMARK 465     SER A   185                                                      
REMARK 465     ILE A   186                                                      
REMARK 465     SER A   187                                                      
REMARK 465     GLY A   188                                                      
REMARK 465     LEU A   189                                                      
REMARK 465     LYS A   190                                                      
REMARK 465     ILE A   191                                                      
REMARK 465     PRO A   192                                                      
REMARK 465     ALA A   193                                                      
REMARK 465     HIS A   194                                                      
REMARK 465     HIS A   195                                                      
REMARK 465     HIS A   196                                                      
REMARK 465     HIS A   197                                                      
REMARK 465     HIS A   198                                                      
REMARK 465     HIS A   199                                                      
REMARK 465     MET B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     GLY B     3                                                      
REMARK 465     ALA B     4                                                      
REMARK 465     ARG B     5                                                      
REMARK 465     ARG B     6                                                      
REMARK 465     LEU B     7                                                      
REMARK 465     GLU B     8                                                      
REMARK 465     LEU B     9                                                      
REMARK 465     GLY B    10                                                      
REMARK 465     GLU B    11                                                      
REMARK 465     ALA B    12                                                      
REMARK 465     LEU B    13                                                      
REMARK 465     ALA B    14                                                      
REMARK 465     LEU B    15                                                      
REMARK 465     GLY B    16                                                      
REMARK 465     SER B    17                                                      
REMARK 465     GLN B   182                                                      
REMARK 465     SER B   183                                                      
REMARK 465     GLY B   184                                                      
REMARK 465     SER B   185                                                      
REMARK 465     ILE B   186                                                      
REMARK 465     SER B   187                                                      
REMARK 465     GLY B   188                                                      
REMARK 465     LEU B   189                                                      
REMARK 465     LYS B   190                                                      
REMARK 465     ILE B   191                                                      
REMARK 465     PRO B   192                                                      
REMARK 465     ALA B   193                                                      
REMARK 465     HIS B   194                                                      
REMARK 465     HIS B   195                                                      
REMARK 465     HIS B   196                                                      
REMARK 465     HIS B   197                                                      
REMARK 465     HIS B   198                                                      
REMARK 465     HIS B   199                                                      
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     GLU A  91    CG   CD   OE1  OE2                                  
REMARK 470     GLU B  91    CG   CD   OE1  OE2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ASP A  66   CB  -  CA  -  C   ANGL. DEV. =  15.0 DEGREES          
REMARK 500    ARG A  67   N   -  CA  -  CB  ANGL. DEV. = -13.3 DEGREES          
REMARK 500    GLY B 103   N   -  CA  -  C   ANGL. DEV. =  15.7 DEGREES          
REMARK 500    PRO B 104   C   -  N   -  CD  ANGL. DEV. = -25.4 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ARG A  42      -21.30     62.89                                   
REMARK 500    TYR A  43      135.34   -176.27                                   
REMARK 500    ARG A  67      -73.98   -138.44                                   
REMARK 500    SER A  68      172.06    175.70                                   
REMARK 500    LEU A 135      -85.66   -125.64                                   
REMARK 500    SER A 166      -12.13     82.39                                   
REMARK 500    PHE B  36       19.75     56.16                                   
REMARK 500    ARG B  38      -18.04   -140.12                                   
REMARK 500    ARG B  42      -15.51     59.59                                   
REMARK 500    TYR B  43      135.61   -175.07                                   
REMARK 500    ARG B  67     -137.05     51.02                                   
REMARK 500    PHE B  88       56.02   -116.55                                   
REMARK 500    LEU B 135      -82.09   -126.21                                   
REMARK 500    SER B 166       -5.34     83.47                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1U20   RELATED DB: PDB                                   
REMARK 900 THE CRYSTAL STRUCTURE OF XENOPUS LAEVIS X29                          
REMARK 900 RELATED ID: 3COU   RELATED DB: PDB                                   
REMARK 900 ANOTHER CRYSTAL STRUCTURE OF HUMAN NUDIX MOTIF 16 (NUDT16)WITH A22V  
REMARK 900 MUTATION                                                             
DBREF  3MGM A    1   195  UNP    Q96DE0   NUD16_HUMAN      1    195             
DBREF  3MGM B    1   195  UNP    Q96DE0   NUD16_HUMAN      1    195             
SEQADV 3MGM MET A    0  UNP  Q96DE0              INITIATING METHIONINE          
SEQADV 3MGM HIS A  196  UNP  Q96DE0              EXPRESSION TAG                 
SEQADV 3MGM HIS A  197  UNP  Q96DE0              EXPRESSION TAG                 
SEQADV 3MGM HIS A  198  UNP  Q96DE0              EXPRESSION TAG                 
SEQADV 3MGM HIS A  199  UNP  Q96DE0              EXPRESSION TAG                 
SEQADV 3MGM MET B    0  UNP  Q96DE0              INITIATING METHIONINE          
SEQADV 3MGM HIS B  196  UNP  Q96DE0              EXPRESSION TAG                 
SEQADV 3MGM HIS B  197  UNP  Q96DE0              EXPRESSION TAG                 
SEQADV 3MGM HIS B  198  UNP  Q96DE0              EXPRESSION TAG                 
SEQADV 3MGM HIS B  199  UNP  Q96DE0              EXPRESSION TAG                 
SEQRES   1 A  200  MET MET ALA GLY ALA ARG ARG LEU GLU LEU GLY GLU ALA          
SEQRES   2 A  200  LEU ALA LEU GLY SER GLY TRP ARG HIS ALA CYS HIS ALA          
SEQRES   3 A  200  LEU LEU TYR ALA PRO ASP PRO GLY MET LEU PHE GLY ARG          
SEQRES   4 A  200  ILE PRO LEU ARG TYR ALA ILE LEU MET GLN MET ARG PHE          
SEQRES   5 A  200  ASP GLY ARG LEU GLY PHE PRO GLY GLY PHE VAL ASP THR          
SEQRES   6 A  200  GLN ASP ARG SER LEU GLU ASP GLY LEU ASN ARG GLU LEU          
SEQRES   7 A  200  ARG GLU GLU LEU GLY GLU ALA ALA ALA ALA PHE ARG VAL          
SEQRES   8 A  200  GLU ARG THR ASP TYR ARG SER SER HIS VAL GLY SER GLY          
SEQRES   9 A  200  PRO ARG VAL VAL ALA HIS PHE TYR ALA LYS ARG LEU THR          
SEQRES  10 A  200  LEU GLU GLU LEU LEU ALA VAL GLU ALA GLY ALA THR ARG          
SEQRES  11 A  200  ALA LYS ASP HIS GLY LEU GLU VAL LEU GLY LEU VAL ARG          
SEQRES  12 A  200  VAL PRO LEU TYR THR LEU ARG ASP GLY VAL GLY GLY LEU          
SEQRES  13 A  200  PRO THR PHE LEU GLU ASN SER PHE ILE GLY SER ALA ARG          
SEQRES  14 A  200  GLU GLN LEU LEU GLU ALA LEU GLN ASP LEU GLY LEU LEU          
SEQRES  15 A  200  GLN SER GLY SER ILE SER GLY LEU LYS ILE PRO ALA HIS          
SEQRES  16 A  200  HIS HIS HIS HIS HIS                                          
SEQRES   1 B  200  MET MET ALA GLY ALA ARG ARG LEU GLU LEU GLY GLU ALA          
SEQRES   2 B  200  LEU ALA LEU GLY SER GLY TRP ARG HIS ALA CYS HIS ALA          
SEQRES   3 B  200  LEU LEU TYR ALA PRO ASP PRO GLY MET LEU PHE GLY ARG          
SEQRES   4 B  200  ILE PRO LEU ARG TYR ALA ILE LEU MET GLN MET ARG PHE          
SEQRES   5 B  200  ASP GLY ARG LEU GLY PHE PRO GLY GLY PHE VAL ASP THR          
SEQRES   6 B  200  GLN ASP ARG SER LEU GLU ASP GLY LEU ASN ARG GLU LEU          
SEQRES   7 B  200  ARG GLU GLU LEU GLY GLU ALA ALA ALA ALA PHE ARG VAL          
SEQRES   8 B  200  GLU ARG THR ASP TYR ARG SER SER HIS VAL GLY SER GLY          
SEQRES   9 B  200  PRO ARG VAL VAL ALA HIS PHE TYR ALA LYS ARG LEU THR          
SEQRES  10 B  200  LEU GLU GLU LEU LEU ALA VAL GLU ALA GLY ALA THR ARG          
SEQRES  11 B  200  ALA LYS ASP HIS GLY LEU GLU VAL LEU GLY LEU VAL ARG          
SEQRES  12 B  200  VAL PRO LEU TYR THR LEU ARG ASP GLY VAL GLY GLY LEU          
SEQRES  13 B  200  PRO THR PHE LEU GLU ASN SER PHE ILE GLY SER ALA ARG          
SEQRES  14 B  200  GLU GLN LEU LEU GLU ALA LEU GLN ASP LEU GLY LEU LEU          
SEQRES  15 B  200  GLN SER GLY SER ILE SER GLY LEU LYS ILE PRO ALA HIS          
SEQRES  16 B  200  HIS HIS HIS HIS HIS                                          
FORMUL   3  HOH   *367(H2 O)                                                    
HELIX    1   1 PHE A   36  ARG A   38  5                                   3    
HELIX    2   2 SER A   68  GLY A   82  1                                  15    
HELIX    3   3 GLU A   83  PHE A   88  5                                   6    
HELIX    4   4 GLU A   91  THR A   93  5                                   3    
HELIX    5   5 THR A  116  ALA A  127  1                                  12    
HELIX    6   6 THR A  128  ALA A  130  5                                   3    
HELIX    7   7 GLY A  154  LEU A  159  1                                   6    
HELIX    8   8 SER A  166  LEU A  178  1                                  13    
HELIX    9   9 PHE B   36  ARG B   38  5                                   3    
HELIX   10  10 SER B   68  GLY B   82  1                                  15    
HELIX   11  11 GLU B   83  ARG B   89  5                                   7    
HELIX   12  12 GLU B   91  THR B   93  5                                   3    
HELIX   13  13 THR B  116  ALA B  127  1                                  12    
HELIX   14  14 THR B  128  ALA B  130  5                                   3    
HELIX   15  15 GLY B  154  LEU B  159  1                                   6    
HELIX   16  16 SER B  166  LEU B  178  1                                  13    
SHEET    1   A 5 LEU A  55  GLY A  56  0                                        
SHEET    2   A 5 ALA A  44  ARG A  50 -1  N  GLN A  48   O  GLY A  56           
SHEET    3   A 5 ARG A  20  ALA A  29 -1  N  ALA A  29   O  ALA A  44           
SHEET    4   A 5 VAL A 106  ARG A 114  1  O  TYR A 111   N  LEU A  26           
SHEET    5   A 5 TYR A  95  VAL A 100 -1  N  SER A  97   O  PHE A 110           
SHEET    1   B 4 GLY A  59  VAL A  62  0                                        
SHEET    2   B 4 ARG A  20  ALA A  29 -1  N  HIS A  21   O  VAL A  62           
SHEET    3   B 4 ALA A  44  ARG A  50 -1  O  ALA A  44   N  ALA A  29           
SHEET    4   B 4 VAL A 137  ARG A 142 -1  O  LEU A 138   N  MET A  49           
SHEET    1   C 2 MET A  34  LEU A  35  0                                        
SHEET    2   C 2 ILE A  39  PRO A  40 -1  O  ILE A  39   N  LEU A  35           
SHEET    1   D 5 LEU B  55  GLY B  56  0                                        
SHEET    2   D 5 ALA B  44  ARG B  50 -1  N  GLN B  48   O  GLY B  56           
SHEET    3   D 5 ARG B  20  ALA B  29 -1  N  ALA B  29   O  ALA B  44           
SHEET    4   D 5 VAL B 106  ARG B 114  1  O  TYR B 111   N  LEU B  26           
SHEET    5   D 5 TYR B  95  VAL B 100 -1  N  SER B  97   O  PHE B 110           
SHEET    1   E 4 GLY B  59  VAL B  62  0                                        
SHEET    2   E 4 ARG B  20  ALA B  29 -1  N  HIS B  21   O  VAL B  62           
SHEET    3   E 4 ALA B  44  ARG B  50 -1  O  ALA B  44   N  ALA B  29           
SHEET    4   E 4 VAL B 137  ARG B 142 -1  O  LEU B 138   N  MET B  49           
SHEET    1   F 2 MET B  34  LEU B  35  0                                        
SHEET    2   F 2 ILE B  39  PRO B  40 -1  O  ILE B  39   N  LEU B  35           
CISPEP   1 GLY A  103    PRO A  104          0        -4.37                     
CISPEP   2 PRO A  104    ARG A  105          0        -4.06                     
CRYST1   44.412   79.153   97.422  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      0.022516  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012634  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010265        0.00000