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Database: PDB
Entry: 3TUG
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Original site: 3TUG 
HEADER    LIGASE                                  16-SEP-11   3TUG              
TITLE     CRYSTAL STRUCTURE OF THE HECT DOMAIN OF ITCH E3 UBIQUITIN LIGASE      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: E3 UBIQUITIN-PROTEIN LIGASE ITCHY HOMOLOG;                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: ITCH, ATROPHIN-1-INTERACTING PROTEIN 4, AIP4, NFE2-         
COMPND   5 ASSOCIATED POLYPEPTIDE 1, NAPP1;                                     
COMPND   6 EC: 6.3.2.-;                                                         
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: ITCH;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21-V2R;                                  
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET28-MHL                                 
KEYWDS    STRUCTURAL GENOMICS, STRUCTURAL GENOMICS CONSORTIUM, SGC, CATALYTIC   
KEYWDS   2 DOMAIN, E3 LIGASE, LIGASE                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.DONG,E.DOBROVETSKY,S.XUE,C.BUTLER,A.WERNIMONT,J.R.WALKER,W.TEMPEL,  
AUTHOR   2 S.DHE-PAGANON,C.H.ARROWSMITH,A.M.EDWARDS,C.BOUNTRA,Y.TONG,STRUCTURAL 
AUTHOR   3 GENOMICS CONSORTIUM (SGC)                                            
REVDAT   2   13-SEP-23 3TUG    1       REMARK SEQADV                            
REVDAT   1   12-OCT-11 3TUG    0                                                
JRNL        AUTH   E.DOBROVETSKY,A.DONG,S.XUE,C.BUTLER,A.WERNIMONT,J.R.WALKER,  
JRNL        AUTH 2 W.TEMPEL,S.DHE-PAGANON,C.H.ARROWSMITH,A.M.EDWARDS,C.BOUNTRA, 
JRNL        AUTH 3 Y.TONG                                                       
JRNL        TITL   CRYSTAL STRUCTURE OF THE HECT DOMAIN OF ITCH E3 UBIQUITIN    
JRNL        TITL 2 LIGASE                                                       
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.27 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : BUSTER 2.8.0                                         
REMARK   3   AUTHORS     : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER,              
REMARK   3               : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN,              
REMARK   3               : WOMACK,MATTHEWS,TEN EYCK,TRONRUD                     
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.27                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 38.74                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 20665                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD           : THROUGHOUT                     
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3   R VALUE     (WORKING + TEST SET)  : 0.198                          
REMARK   3   R VALUE            (WORKING SET)  : 0.196                          
REMARK   3   FREE R VALUE                      : 0.256                          
REMARK   3   FREE R VALUE TEST SET SIZE   (%)  : 3.230                          
REMARK   3   FREE R VALUE TEST SET COUNT       : 668                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE   : NULL                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED               : 10                       
REMARK   3   BIN RESOLUTION RANGE HIGH   (ANGSTROMS) : 2.27                     
REMARK   3   BIN RESOLUTION RANGE LOW    (ANGSTROMS) : 2.39                     
REMARK   3   BIN COMPLETENESS (WORKING+TEST)     (%) : NULL                     
REMARK   3   REFLECTIONS IN BIN (WORKING + TEST SET) : 2976                     
REMARK   3   BIN R VALUE        (WORKING + TEST SET) : 0.2108                   
REMARK   3   REFLECTIONS IN BIN        (WORKING SET) : 2867                     
REMARK   3   BIN R VALUE               (WORKING SET) : 0.2089                   
REMARK   3   BIN FREE R VALUE                        : 0.2587                   
REMARK   3   BIN FREE R VALUE TEST SET SIZE      (%) : 3.66                     
REMARK   3   BIN FREE R VALUE TEST SET COUNT         : 109                      
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE     : NULL                     
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2672                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 10                                      
REMARK   3   SOLVENT ATOMS            : 78                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 46.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 52.05                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -4.80860                                             
REMARK   3    B22 (A**2) : -4.80860                                             
REMARK   3    B33 (A**2) : 9.61720                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT                    (A) : 0.317               
REMARK   3   DPI (BLOW EQ-10) BASED ON R VALUE        (A) : NULL                
REMARK   3   DPI (BLOW EQ-9) BASED ON FREE R VALUE    (A) : NULL                
REMARK   3   DPI (CRUICKSHANK) BASED ON R VALUE       (A) : NULL                
REMARK   3   DPI (CRUICKSHANK) BASED ON FREE R VALUE  (A) : NULL                
REMARK   3                                                                      
REMARK   3   REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797                
REMARK   3               CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601     
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.937                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.907                         
REMARK   3                                                                      
REMARK   3   NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15                    
REMARK   3   TERM                          COUNT    WEIGHT   FUNCTION.          
REMARK   3    BOND LENGTHS              : 2760   ; 2.000  ; HARMONIC            
REMARK   3    BOND ANGLES               : 3746   ; 2.000  ; HARMONIC            
REMARK   3    TORSION ANGLES            : 910    ; 2.000  ; SINUSOIDAL          
REMARK   3    TRIGONAL CARBON PLANES    : 64     ; 2.000  ; HARMONIC            
REMARK   3    GENERAL PLANES            : 409    ; 5.000  ; HARMONIC            
REMARK   3    ISOTROPIC THERMAL FACTORS : 2760   ; 20.000 ; HARMONIC            
REMARK   3    BAD NON-BONDED CONTACTS   : 1      ; 5.000  ; SEMIHARMONIC        
REMARK   3    IMPROPER TORSIONS         : NULL   ; NULL   ; NULL                
REMARK   3    PSEUDOROTATION ANGLES     : NULL   ; NULL   ; NULL                
REMARK   3    CHIRAL IMPROPER TORSION   : 348    ; 5.000  ; SEMIHARMONIC        
REMARK   3    SUM OF OCCUPANCIES        : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY DISTANCES         : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY ANGLES            : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY TORSION           : NULL   ; NULL   ; NULL                
REMARK   3    IDEAL-DIST CONTACT TERM   : 3184   ; 4.000  ; SEMIHARMONIC        
REMARK   3                                                                      
REMARK   3   RMS DEVIATIONS FROM IDEAL VALUES.                                  
REMARK   3    BOND LENGTHS                       (A) : 0.010                    
REMARK   3    BOND ANGLES                  (DEGREES) : 0.94                     
REMARK   3    PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.69                     
REMARK   3    OTHER TORSION ANGLES         (DEGREES) : 16.81                    
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN A                                                
REMARK   3    ORIGIN FOR THE GROUP (A):   -3.1384  -37.1045  -18.8237           
REMARK   3    T TENSOR                                                          
REMARK   3     T11:   -0.1570 T22:   -0.1233                                    
REMARK   3     T33:   -0.1882 T12:   -0.0475                                    
REMARK   3     T13:    0.0051 T23:   -0.0004                                    
REMARK   3    L TENSOR                                                          
REMARK   3     L11:    1.5333 L22:    1.7899                                    
REMARK   3     L33:    2.4305 L12:   -0.0886                                    
REMARK   3     L13:   -0.1021 L23:   -0.6521                                    
REMARK   3    S TENSOR                                                          
REMARK   3     S11:    0.0474 S12:    0.0785 S13:    0.2314                     
REMARK   3     S21:    0.0129 S22:   -0.0551 S23:    0.0427                     
REMARK   3     S31:   -0.0621 S32:    0.0227 S33:    0.0077                     
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3TUG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-SEP-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000067933.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-AUG-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97934                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-3000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-3000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 20717                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.270                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 10.80                              
REMARK 200  R MERGE                    (I) : 0.09100                            
REMARK 200  R SYM                      (I) : 0.09100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 38.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.27                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.35                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.80                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.89000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.89000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 3OML                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.28                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG1500, 0.2M NACL 0.1M HEPES PH     
REMARK 280  7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 297K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       36.64767            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       73.29533            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       73.29533            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       36.64767            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 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   506                                                      
REMARK 465     HIS A   507                                                      
REMARK 465     HIS A   508                                                      
REMARK 465     HIS A   509                                                      
REMARK 465     HIS A   510                                                      
REMARK 465     HIS A   511                                                      
REMARK 465     HIS A   512                                                      
REMARK 465     SER A   513                                                      
REMARK 465     SER A   514                                                      
REMARK 465     GLY A   515                                                      
REMARK 465     ARG A   516                                                      
REMARK 465     GLU A   517                                                      
REMARK 465     ASN A   518                                                      
REMARK 465     LEU A   519                                                      
REMARK 465     TYR A   520                                                      
REMARK 465     PHE A   521                                                      
REMARK 465     GLN A   522                                                      
REMARK 465     GLY A   523                                                      
REMARK 465     TYR A   524                                                      
REMARK 465     GLY A   616                                                      
REMARK 465     LYS A   617                                                      
REMARK 465     ASP A   618                                                      
REMARK 465     ASN A   619                                                      
REMARK 465     ILE A   696                                                      
REMARK 465     GLU A   697                                                      
REMARK 465     GLU A   698                                                      
REMARK 465     CYS A   699                                                      
REMARK 465     ASP A   700                                                      
REMARK 465     LEU A   701                                                      
REMARK 465     GLU A   702                                                      
REMARK 465     MET A   703                                                      
REMARK 465     VAL A   707                                                      
REMARK 465     ASP A   708                                                      
REMARK 465     LYS A   709                                                      
REMARK 465     GLU A   710                                                      
REMARK 465     ILE A   711                                                      
REMARK 465     LEU A   712                                                      
REMARK 465     GLY A   713                                                      
REMARK 465     GLU A   714                                                      
REMARK 465     ILE A   715                                                      
REMARK 465     LYS A   716                                                      
REMARK 465     SER A   717                                                      
REMARK 465     HIS A   718                                                      
REMARK 465     ASP A   719                                                      
REMARK 465     LEU A   720                                                      
REMARK 465     LYS A   721                                                      
REMARK 465     PRO A   722                                                      
REMARK 465     ASN A   723                                                      
REMARK 465     GLY A   724                                                      
REMARK 465     GLY A   725                                                      
REMARK 465     ASN A   726                                                      
REMARK 465     ILE A   727                                                      
REMARK 465     LEU A   728                                                      
REMARK 465     VAL A   729                                                      
REMARK 465     THR A   730                                                      
REMARK 465     GLU A   731                                                      
REMARK 465     GLU A   732                                                      
REMARK 465     ASN A   733                                                      
REMARK 465     GLU A   898                                                      
REMARK 465     GLY A   899                                                      
REMARK 465     PHE A   900                                                      
REMARK 465     GLY A   901                                                      
REMARK 465     GLN A   902                                                      
REMARK 465     GLU A   903                                                      
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     VAL A 525    CG1  CG2                                            
REMARK 470     LYS A 529    CG   CD   CE   NZ                                   
REMARK 470     GLN A 540    CD   OE1  NE2                                       
REMARK 470     LYS A 555    CG   CD   CE   NZ                                   
REMARK 470     GLU A 585    CG   CD   OE1  OE2                                  
REMARK 470     TYR A 589    CD1  CD2  CE1  CE2  CZ   OH                         
REMARK 470     MET A 608    CG   SD   CE                                        
REMARK 470     TYR A 620    CD2  CE1  CE2  CZ   OH                              
REMARK 470     LEU A 674    CD1  CD2                                            
REMARK 470     LYS A 675    CG   CD   CE   NZ                                   
REMARK 470     GLU A 678    CG   CD   OE1  OE2                                  
REMARK 470     SER A 679    OG                                                  
REMARK 470     GLU A 683    CD   OE1  OE2                                       
REMARK 470     LEU A 688    CG   CD1  CD2                                       
REMARK 470     VAL A 691    CG1  CG2                                            
REMARK 470     LYS A 692    CG   CD   CE   NZ                                   
REMARK 470     GLU A 693    CG   CD   OE1  OE2                                  
REMARK 470     ASN A 694    CG   OD1  ND2                                       
REMARK 470     ASN A 695    CG   OD1  ND2                                       
REMARK 470     TYR A 704    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     PHE A 705    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     SER A 706    OG                                                  
REMARK 470     LYS A 734    CG   CD   CE   NZ                                   
REMARK 470     GLU A 735    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 736    CG   CD   OE1  OE2                                  
REMARK 470     ILE A 738    CD1                                                 
REMARK 470     ARG A 739    CD   NE   CZ   NH1  NH2                             
REMARK 470     LEU A 790    CD1  CD2                                            
REMARK 470     ARG A 800    NH1  NH2                                            
REMARK 470     ARG A 801    NE   CZ   NH1  NH2                                  
REMARK 470     ARG A 804    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 807    CG   CD   CE   NZ                                   
REMARK 470     LYS A 817    CG   CD   CE   NZ                                   
REMARK 470     LYS A 823    CE   NZ                                             
REMARK 470     VAL A 839    CG1  CG2                                            
REMARK 470     MET A 846    CE                                                  
REMARK 470     LYS A 853    NZ                                                  
REMARK 470     LYS A 858    CG   CD   CE   NZ                                   
REMARK 470     VAL A 859    CG1  CG2                                            
REMARK 470     LYS A 861    CG   CD   CE   NZ                                   
REMARK 470     GLU A 862    CG   CD   OE1  OE2                                  
REMARK 470     ARG A 867    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 881    CD   CE   NZ                                        
REMARK 470     SER A 882    OG                                                  
REMARK 470     LEU A 886    CG   CD1  CD2                                       
REMARK 470     LYS A 887    CD   CE   NZ                                        
REMARK 470     GLU A 888    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 889    CG   CD   CE   NZ                                   
REMARK 470     THR A 897    OG1  CG2                                            
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    GLN A 546     -153.32     57.75                                   
REMARK 500    GLU A 585       46.56    -96.71                                   
REMARK 500    ASP A 656       46.85   -109.52                                   
REMARK 500    GLU A 693       31.76    -87.96                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 100                  
DBREF  3TUG A  524   903  UNP    Q96J02   ITCH_HUMAN     524    903             
SEQADV 3TUG MET A  506  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG HIS A  507  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG HIS A  508  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG HIS A  509  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG HIS A  510  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG HIS A  511  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG HIS A  512  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG SER A  513  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG SER A  514  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG GLY A  515  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG ARG A  516  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG GLU A  517  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG ASN A  518  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG LEU A  519  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG TYR A  520  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG PHE A  521  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG GLN A  522  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG GLY A  523  UNP  Q96J02              EXPRESSION TAG                 
SEQADV 3TUG SER A  605  UNP  Q96J02    LEU   605 ENGINEERED MUTATION            
SEQADV 3TUG ARG A  801  UNP  Q96J02    HIS   801 ENGINEERED MUTATION            
SEQRES   1 A  398  MET HIS HIS HIS HIS HIS HIS SER SER GLY ARG GLU ASN          
SEQRES   2 A  398  LEU TYR PHE GLN GLY TYR VAL ARG ASP PHE LYS ALA LYS          
SEQRES   3 A  398  VAL GLN TYR PHE ARG PHE TRP CYS GLN GLN LEU ALA MET          
SEQRES   4 A  398  PRO GLN HIS ILE LYS ILE THR VAL THR ARG LYS THR LEU          
SEQRES   5 A  398  PHE GLU ASP SER PHE GLN GLN ILE MET SER PHE SER PRO          
SEQRES   6 A  398  GLN ASP LEU ARG ARG ARG LEU TRP VAL ILE PHE PRO GLY          
SEQRES   7 A  398  GLU GLU GLY LEU ASP TYR GLY GLY VAL ALA ARG GLU TRP          
SEQRES   8 A  398  PHE PHE LEU LEU SER HIS GLU VAL SER ASN PRO MET TYR          
SEQRES   9 A  398  CYS LEU PHE GLU TYR ALA GLY LYS ASP ASN TYR CYS LEU          
SEQRES  10 A  398  GLN ILE ASN PRO ALA SER TYR ILE ASN PRO ASP HIS LEU          
SEQRES  11 A  398  LYS TYR PHE ARG PHE ILE GLY ARG PHE ILE ALA MET ALA          
SEQRES  12 A  398  LEU PHE HIS GLY LYS PHE ILE ASP THR GLY PHE SER LEU          
SEQRES  13 A  398  PRO PHE TYR LYS ARG ILE LEU ASN LYS PRO VAL GLY LEU          
SEQRES  14 A  398  LYS ASP LEU GLU SER ILE ASP PRO GLU PHE TYR ASN SER          
SEQRES  15 A  398  LEU ILE TRP VAL LYS GLU ASN ASN ILE GLU GLU CYS ASP          
SEQRES  16 A  398  LEU GLU MET TYR PHE SER VAL ASP LYS GLU ILE LEU GLY          
SEQRES  17 A  398  GLU ILE LYS SER HIS ASP LEU LYS PRO ASN GLY GLY ASN          
SEQRES  18 A  398  ILE LEU VAL THR GLU GLU ASN LYS GLU GLU TYR ILE ARG          
SEQRES  19 A  398  MET VAL ALA GLU TRP ARG LEU SER ARG GLY VAL GLU GLU          
SEQRES  20 A  398  GLN THR GLN ALA PHE PHE GLU GLY PHE ASN GLU ILE LEU          
SEQRES  21 A  398  PRO GLN GLN TYR LEU GLN TYR PHE ASP ALA LYS GLU LEU          
SEQRES  22 A  398  GLU VAL LEU LEU CYS GLY MET GLN GLU ILE ASP LEU ASN          
SEQRES  23 A  398  ASP TRP GLN ARG HIS ALA ILE TYR ARG ARG TYR ALA ARG          
SEQRES  24 A  398  THR SER LYS GLN ILE MET TRP PHE TRP GLN PHE VAL LYS          
SEQRES  25 A  398  GLU ILE ASP ASN GLU LYS ARG MET ARG LEU LEU GLN PHE          
SEQRES  26 A  398  VAL THR GLY THR CYS ARG LEU PRO VAL GLY GLY PHE ALA          
SEQRES  27 A  398  ASP LEU MET GLY SER ASN GLY PRO GLN LYS PHE CYS ILE          
SEQRES  28 A  398  GLU LYS VAL GLY LYS GLU ASN TRP LEU PRO ARG SER HIS          
SEQRES  29 A  398  THR CYS PHE ASN ARG LEU ASP LEU PRO PRO TYR LYS SER          
SEQRES  30 A  398  TYR GLU GLN LEU LYS GLU LYS LEU LEU PHE ALA ILE GLU          
SEQRES  31 A  398  GLU THR GLU GLY PHE GLY GLN GLU                              
HET     CL  A 100       1                                                       
HET    UNX  A1001       1                                                       
HET    UNX  A1002       1                                                       
HET    UNX  A1003       1                                                       
HET    UNX  A1004       1                                                       
HET    UNX  A1006       1                                                       
HET    UNX  A1007       1                                                       
HET    UNX  A1008       1                                                       
HET    UNX  A1009       1                                                       
HET    UNX  A1010       1                                                       
HETNAM      CL CHLORIDE ION                                                     
HETNAM     UNX UNKNOWN ATOM OR ION                                              
FORMUL   2   CL    CL 1-                                                        
FORMUL   3  UNX    9(X)                                                         
FORMUL  12  HOH   *78(H2 O)                                                     
HELIX    1   1 ASP A  527  GLN A  540  1                                  14    
HELIX    2   2 THR A  556  PHE A  568  1                                  13    
HELIX    3   3 GLN A  571  ARG A  575  5                                   5    
HELIX    4   4 ASP A  588  VAL A  604  1                                  17    
HELIX    5   5 PRO A  626  ASN A  631  5                                   6    
HELIX    6   6 ASP A  633  HIS A  651  1                                  19    
HELIX    7   7 SER A  660  LEU A  668  1                                   9    
HELIX    8   8 LEU A  674  GLU A  678  5                                   5    
HELIX    9   9 ASP A  681  GLU A  693  1                                  13    
HELIX   10  10 GLU A  735  ARG A  748  1                                  14    
HELIX   11  11 VAL A  750  LEU A  765  1                                  16    
HELIX   12  12 PRO A  766  GLN A  771  5                                   6    
HELIX   13  13 ASP A  774  GLY A  784  1                                  11    
HELIX   14  14 ASP A  789  HIS A  796  1                                   8    
HELIX   15  15 SER A  806  ILE A  819  1                                  14    
HELIX   16  16 ASP A  820  GLY A  833  1                                  14    
HELIX   17  17 GLY A  841  LEU A  845  5                                   5    
HELIX   18  18 THR A  870  PHE A  872  5                                   3    
HELIX   19  19 SER A  882  GLU A  896  1                                  15    
SHEET    1   A 2 HIS A 547  THR A 551  0                                        
SHEET    2   A 2 ARG A 576  ILE A 580  1  O  ILE A 580   N  ILE A 550           
SHEET    1   B 3 PHE A 612  TYR A 614  0                                        
SHEET    2   B 3 CYS A 621  ILE A 624 -1  O  GLN A 623   N  GLU A 613           
SHEET    3   B 3 GLY A 658  PHE A 659  1  O  GLY A 658   N  LEU A 622           
SHEET    1   C 4 ILE A 798  ARG A 800  0                                        
SHEET    2   C 4 CYS A 855  LYS A 858  1  O  ILE A 856   N  ARG A 800           
SHEET    3   C 4 ARG A 874  LEU A 877  1  O  LEU A 877   N  GLU A 857           
SHEET    4   C 4 ARG A 867  HIS A 869 -1  N  ARG A 867   O  ASP A 876           
SITE     1 AC1  1 ALA A 775                                                     
CRYST1   82.779   82.779  109.943  90.00  90.00 120.00 P 31 2 1      6          
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      0.012080  0.006975  0.000000        0.00000                         
SCALE2      0.000000  0.013949  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009096        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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