PDB Short entry for 3LRA
HEADER    MEMBRANE PROTEIN                        10-FEB-10   3LRA              
TITLE     STRUCTURAL BASIS FOR ASSEMBLING A HUMAN TRIPARTITE COMPLEX DLG1-MPP7- 
TITLE    2 MALS3                                                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DISKS LARGE HOMOLOG 1, MAGUK P55 SUBFAMILY MEMBER 7,       
COMPND   3 PROTEIN LIN-7 HOMOLOG C;                                             
COMPND   4 CHAIN: A;                                                            
COMPND   5 FRAGMENT: L27 DOMAIN, L27 1/2 DOMAIN;                                
COMPND   6 SYNONYM: DLG1, SYNAPSE-ASSOCIATED PROTEIN 97, SAP-97, SAP97, HDLG,   
COMPND   7 MPP7, MALS-3, LIN-7C, MAMMALIAN LIN-SEVEN PROTEIN 3, VERTEBRATE LIN-7
COMPND   8 HOMOLOG 3, VELI-3;                                                   
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 OTHER_DETAILS: STRUCTURAL BASIS FOR ASSEMBLING A TRIPARTITE COMPLEX  
COMPND  11 DLG1-MPP7-MALS3                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: L27 DOMAINS OF DLG1, MPP7 AND MALS3;                           
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: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET32A VECTOR (NOVAGEN)                   
KEYWDS    TRIPARTITE COMPLEX, L27 TETRAMER, CELL JUNCTION, CELL MEMBRANE,       
KEYWDS   2 ENDOPLASMIC RETICULUM, HOST-VIRUS INTERACTION, POSTSYNAPTIC CELL     
KEYWDS   3 MEMBRANE, SH3 DOMAIN, SYNAPSE, TIGHT JUNCTION, EXOCYTOSIS, PROTEIN   
KEYWDS   4 TRANSPORT, SYNAPTOSOME, TRANSPORT, MEMBRANE PROTEIN                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    X.YANG,X.XIE,Y.SHEN,J.LONG                                            
REVDAT   3   28-JUN-17 3LRA    1       SOURCE                                   
REVDAT   2   08-DEC-10 3LRA    1       JRNL                                     
REVDAT   1   17-NOV-10 3LRA    0                                                
JRNL        AUTH   X.YANG,X.XIE,L.CHEN,H.ZHOU,Z.WANG,W.ZHAO,R.TIAN,R.ZHANG,     
JRNL        AUTH 2 C.TIAN,J.LONG,Y.SHEN                                         
JRNL        TITL   STRUCTURAL BASIS FOR TANDEM L27 DOMAIN-MEDIATED              
JRNL        TITL 2 POLYMERIZATION                                               
JRNL        REF    FASEB J.                      V.  24  4806 2010              
JRNL        REFN                   ISSN 0892-6638                               
JRNL        PMID   20702775                                                     
JRNL        DOI    10.1096/FJ.10-163857                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.95 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.2                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.95                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 38.30                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 5.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 52963.050                      
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 94.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 8045                           
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 SET) : 0.255                           
REMARK   3   FREE R VALUE                     : 0.284                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.600                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 472                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.013                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.95                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.06                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 77.10                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1047                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3380                       
REMARK   3   BIN FREE R VALUE                    : 0.3730                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.70                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 63                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.047                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2032                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 41                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 1.20                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 67.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 8.62000                                              
REMARK   3    B22 (A**2) : 8.62000                                              
REMARK   3    B33 (A**2) : -17.24000                                            
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) : 0.43                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.47                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.53                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.59                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 19.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.940                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.470 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.610 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.920 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.150 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.35                                                 
REMARK   3   BSOL        : 52.04                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED                   
REMARK   4                                                                      
REMARK   4 3LRA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 12-FEB-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000057631.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 30-DEC-08; 01-NOV-08               
REMARK 200  TEMPERATURE           (KELVIN) : 100; 100                           
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y                               
REMARK 200  RADIATION SOURCE               : BSRF; APS                          
REMARK 200  BEAMLINE                       : 3W1A; 19-ID                        
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; M                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0000; 0.9791                     
REMARK 200  MONOCHROMATOR                  : SI 111 CHANNEL; SAGITALLY          
REMARK 200                                   FOCUSED SI(111)                    
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; CCD                           
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM; ADSC QUANTUM 315   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 8045                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.950                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 38.300                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.0                               
REMARK 200  DATA REDUNDANCY                : 14.80                              
REMARK 200  R MERGE                    (I) : 0.09200                            
REMARK 200  R SYM                      (I) : 0.09200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 25.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.95                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.06                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 77.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.43500                            
REMARK 200  R SYM FOR SHELL            (I) : 0.43500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: SHELXS                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 64.04                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.42                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 10% PEG 8000, 0.2M MGCL2, 0.1M           
REMARK 280  GUANIDINE HCL, 0.1M TRIS-HCL, PH7.0, VAPOR DIFFUSION, SITTING       
REMARK 280  DROP, TEMPERATURE 293K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 62 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   -X,-Y,Z                                                 
REMARK 290       5555   Y,-X+Y,Z+2/3                                            
REMARK 290       6555   X-Y,X,Z+1/3                                             
REMARK 290       7555   Y,X,-Z+2/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+1/3                                          
REMARK 290      10555   -Y,-X,-Z+2/3                                            
REMARK 290      11555   -X+Y,Y,-Z                                               
REMARK 290      12555   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       39.26867            
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       19.63433            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       39.26867            
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       19.63433            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       39.26867            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       19.63433            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       39.26867            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       19.63433            
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 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 THE L27 DOMAINS OF HUMAN DLG1 (TERMED AS L27HDLG1), HUMAN MPP7       
REMARK 400 (TERMED AS L27N AND L27C) AND HUMAN MALS3 (TERMED AS L27HMALS3)      
REMARK 400 WERE COVALENTLY LINKED TOGETHER BY PRECISSION PROTEASE CLEAVAGE      
REMARK 400 SITE AS ONE SINGLE POLYPEPTIDE.                                      
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     GLY A   108                                                      
REMARK 465     GLU A   109                                                      
REMARK 465     LYS A   110                                                      
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     ASN A  39    OD1  ND2                                            
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    ASP A    76     N    GLY A    78              2.10            
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   OE1  GLN A   181     OE1  GLN A   181     8557     2.15            
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    LYS A  21       25.05    -71.67                                   
REMARK 500    SER A  23      -70.08   -121.20                                   
REMARK 500    GLN A  24      -13.43   -154.68                                   
REMARK 500    GLN A  29      -54.48   -131.22                                   
REMARK 500    GLU A  57       73.20     31.48                                   
REMARK 500    PRO A  73      107.72    -57.41                                   
REMARK 500    SER A  75      -89.99   -104.84                                   
REMARK 500    ASP A  76       24.01    -78.70                                   
REMARK 500    THR A  77       -6.38    -34.34                                   
REMARK 500    LEU A  82      -73.64    -34.66                                   
REMARK 500    ASN A 150       34.28    -91.90                                   
REMARK 500    ASP A 185      115.15   -161.09                                   
REMARK 500    LEU A 186      -35.32    -39.84                                   
REMARK 500    PRO A 193       -8.41    -58.53                                   
REMARK 500    SER A 218       47.87   -101.06                                   
REMARK 500    VAL A 221      -64.28   -103.01                                   
REMARK 500    PRO A 223      165.80    -31.01                                   
REMARK 500    ILE A 254      -63.04    -98.02                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE INTERNAL SEQUENCE LEVLFQGP ARE LINKER.                           
DBREF  3LRA A    2    65  UNP    Q12959   DLG1_HUMAN       2     65             
DBREF  3LRA A   66    73  PDB    3LRA     3LRA             1      8             
DBREF  3LRA A   74   185  UNP    Q5T2T1   MPP7_HUMAN       9    120             
DBREF  3LRA A  186   193  PDB    3LRA     3LRA             1      8             
DBREF  3LRA A  194   255  UNP    Q9NUP9   LIN7C_HUMAN      3     64             
SEQRES   1 A  254  PRO VAL ARG LYS GLN ASP THR GLN ARG ALA LEU HIS LEU          
SEQRES   2 A  254  LEU GLU GLU TYR ARG SER LYS LEU SER GLN THR GLU ASP          
SEQRES   3 A  254  ARG GLN LEU ARG SER SER ILE GLU ARG VAL ILE ASN ILE          
SEQRES   4 A  254  PHE GLN SER ASN LEU PHE GLN ALA LEU ILE ASP ILE GLN          
SEQRES   5 A  254  GLU PHE TYR GLU VAL THR LEU LEU ASP ASN PRO LYS LEU          
SEQRES   6 A  254  GLU VAL LEU PHE GLN GLY PRO GLY SER ASP THR GLY LEU          
SEQRES   7 A  254  TYR GLU LEU LEU ALA ALA LEU PRO ALA GLN LEU GLN PRO          
SEQRES   8 A  254  HIS VAL ASP SER GLN GLU ASP LEU THR PHE LEU TRP ASP          
SEQRES   9 A  254  MET PHE GLY GLU LYS SER LEU HIS SER LEU VAL LYS ILE          
SEQRES  10 A  254  HIS GLU LYS LEU HIS TYR TYR GLU LYS GLN SER PRO VAL          
SEQRES  11 A  254  PRO ILE LEU HIS GLY ALA ALA ALA LEU ALA ASP ASP LEU          
SEQRES  12 A  254  ALA GLU GLU LEU GLN ASN LYS PRO LEU ASN SER GLU ILE          
SEQRES  13 A  254  ARG GLU LEU LEU LYS LEU LEU SER LYS PRO ASN VAL LYS          
SEQRES  14 A  254  ALA LEU LEU SER VAL HIS ASP THR VAL ALA GLN LYS ASN          
SEQRES  15 A  254  TYR ASP LEU GLU VAL LEU PHE GLN GLY PRO ALA LEU GLY          
SEQRES  16 A  254  GLU PRO VAL ARG LEU GLU ARG ASP ILE CYS ARG ALA ILE          
SEQRES  17 A  254  GLU LEU LEU GLU LYS LEU GLN ARG SER GLY GLU VAL PRO          
SEQRES  18 A  254  PRO GLN LYS LEU GLN ALA LEU GLN ARG VAL LEU GLN SER          
SEQRES  19 A  254  GLU PHE CYS ASN ALA VAL ARG GLU VAL TYR GLU HIS VAL          
SEQRES  20 A  254  TYR GLU THR VAL ASP ILE SER                                  
FORMUL   2  HOH   *41(H2 O)                                                     
HELIX    1   1 ARG A    4  LYS A   21  1                                  18    
HELIX    2   2 GLN A   29  SER A   43  1                                  15    
HELIX    3   3 SER A   43  TYR A   56  1                                  14    
HELIX    4   4 ASN A   63  GLN A   71  5                                   9    
HELIX    5   5 GLY A   78  ALA A   85  1                                   8    
HELIX    6   6 ALA A   85  GLN A   91  1                                   7    
HELIX    7   7 GLU A   98  PHE A  107  1                                  10    
HELIX    8   8 SER A  111  LYS A  127  1                                  17    
HELIX    9   9 GLY A  136  ASN A  150  1                                  15    
HELIX   10  10 ASN A  154  LEU A  164  1                                  11    
HELIX   11  11 LYS A  166  GLN A  181  1                                  16    
HELIX   12  12 ASP A  185  GLN A  191  1                                   7    
HELIX   13  13 GLN A  191  GLY A  196  1                                   6    
HELIX   14  14 GLU A  197  SER A  218  1                                  22    
HELIX   15  15 PRO A  223  SER A  235  1                                  13    
HELIX   16  16 SER A  235  VAL A  252  1                                  18    
CISPEP   1 VAL A  221    PRO A  222          0        -2.38                     
CRYST1  153.190  153.190   58.903  90.00  90.00 120.00 P 62 2 2     12          
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      0.006528  0.003769  0.000000        0.00000                         
SCALE2      0.000000  0.007538  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016977        0.00000