HEADER    TRANSFERASE                             15-OCT-18   6HX1              
TITLE     IRE1 ALPHA IN COMPLEX WITH IMIDAZO[1,2-B]PYRIDAZIN-8-AMINE COMPOUND 2 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SERINE/THREONINE-PROTEIN KINASE/ENDORIBONUCLEASE IRE1;     
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: KINASE AND NUCLEASE DOMAIN;                                
COMPND   5 SYNONYM: ENDOPLASMIC RETICULUM-TO-NUCLEUS SIGNALING 1,INOSITOL-      
COMPND   6 REQUIRING PROTEIN 1,HIRE1P,IRE1-ALPHA,IRE1A;                         
COMPND   7 EC: 2.7.11.1,3.1.26.-;                                               
COMPND   8 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: ERN1, IRE1;                                                    
SOURCE   6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: SF9                                        
KEYWDS    IRE1 KINASE, PROTEROS BIOSTRUCTURES GMBH, TRANSFERASE                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.A.AUGUSTIN,S.KRAPP,R.BAYLISS,I.COLLINS                              
REVDAT   5   24-JAN-24 6HX1    1       REMARK                                   
REVDAT   4   30-OCT-19 6HX1    1       COMPND SOURCE                            
REVDAT   3   25-SEP-19 6HX1    1       REMARK                                   
REVDAT   2   27-MAR-19 6HX1    1       JRNL                                     
REVDAT   1   27-FEB-19 6HX1    0                                                
JRNL        AUTH   G.COLOMBANO,J.J.CALDWELL,T.P.MATTHEWS,C.BHATIA,A.JOSHI,      
JRNL        AUTH 2 T.MCHARDY,N.Y.MOK,Y.NEWBATT,L.PICKARD,J.STROVER,S.HEDAYAT,   
JRNL        AUTH 3 M.I.WALTON,S.M.MYERS,A.M.JONES,H.SAVILLE,C.MCANDREW,R.BURKE, 
JRNL        AUTH 4 S.A.ECCLES,F.E.DAVIES,R.BAYLISS,I.COLLINS                    
JRNL        TITL   BINDING TO AN UNUSUAL INACTIVE KINASE CONFORMATION BY HIGHLY 
JRNL        TITL 2 SELECTIVE INHIBITORS OF INOSITOL-REQUIRING ENZYME 1 ALPHA    
JRNL        TITL 3 KINASE-ENDORIBONUCLEASE.                                     
JRNL        REF    J.MED.CHEM.                   V.  62  2447 2019              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   30779566                                                     
JRNL        DOI    10.1021/ACS.JMEDCHEM.8B01721                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.14 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0049                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.14                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 80.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 27136                          
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) : 0.219                           
REMARK   3   R VALUE            (WORKING SET) : 0.217                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.400                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1537                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.14                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.20                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1886                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 91.13                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3840                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 108                          
REMARK   3   BIN FREE R VALUE                    : 0.3780                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3134                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 24                                      
REMARK   3   SOLVENT ATOMS            : 122                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 38.77                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -3.04000                                             
REMARK   3    B22 (A**2) : 3.18000                                              
REMARK   3    B33 (A**2) : 0.11000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.35000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.228         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.204         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.177         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.411         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.945                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.911                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3178 ; 0.007 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  2998 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4305 ; 1.251 ; 1.962       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  6879 ; 2.594 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   389 ; 6.085 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   143 ;32.865 ;23.077       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   531 ;13.271 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    22 ;13.403 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   467 ; 0.070 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3590 ; 0.004 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   759 ; 0.002 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1559 ; 3.080 ; 5.088       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1558 ; 3.081 ; 5.085       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1947 ; 4.498 ; 8.564       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  1948 ; 4.497 ; 8.569       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1619 ; 3.570 ; 5.495       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  1619 ; 3.565 ; 5.495       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  2356 ; 5.587 ; 9.056       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  3557 ; 7.308 ;22.570       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  3522 ; 7.316 ;22.518       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 6HX1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 16-OCT-18.                  
REMARK 100 THE DEPOSITION ID IS D_1200012422.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-OCT-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SLS                                
REMARK 200  BEAMLINE                       : X06SA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1                                  
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 28816                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.130                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 80.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.5                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : 0.08100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.8300                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.13                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.38                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.51700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 4Z7G                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.01                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0 % ISOPROPANOL 10 % PEG4000 0.10 M NA   
REMARK 280  -CITRATE PH=5.75 PROTEIN AT 9MG/ML WAS IN 20 MM TRIS/CL PH=8.0,     
REMARK 280  150 MM NACL, 5 MM DTT, AND 2MM COMPOUND WAS ADDED TO THE PROTEIN    
REMARK 280  BEFORE SETTING UP TRAYS., VAPOR DIFFUSION, SITTING DROP,            
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       72.20400            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       23.53700            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       72.20400            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       23.53700            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2                             
REMARK 350 SURFACE AREA OF THE COMPLEX: 20730 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL                          
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     SER A   607                                                      
REMARK 465     PHE A   608                                                      
REMARK 465     ALA A   609                                                      
REMARK 465     ASP A   610                                                      
REMARK 465     ARG A   611                                                      
REMARK 465     GLU A   612                                                      
REMARK 465     VAL A   613                                                      
REMARK 465     GLN A   614                                                      
REMARK 465     LEU A   615                                                      
REMARK 465     LEU A   616                                                      
REMARK 465     LEU A   718                                                      
REMARK 465     ALA A   719                                                      
REMARK 465     GLU A   745                                                      
REMARK 465     ASP A   746                                                      
REMARK 465     CYS A   747                                                      
REMARK 465     LYS A   748                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS A  568   CE   NZ                                             
REMARK 480     LYS A  574   CD   CE   NZ                                        
REMARK 480     ARG A  617   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     GLU A  618   CD   OE1  OE2                                       
REMARK 480     GLU A  621   CD   OE1  OE2                                       
REMARK 480     LYS A  633   NZ                                                  
REMARK 480     ARG A  635   NE   CZ   NH1  NH2                                  
REMARK 480     LYS A  656   CG   CD   CE   NZ                                   
REMARK 480     ASP A  657   CG   OD1  OD2                                       
REMARK 480     LYS A  716   CE   NZ                                             
REMARK 480     LYS A  717   CE   NZ                                             
REMARK 480     VAL A  720   CG1  CG2                                            
REMARK 480     GLU A  749   CG   CD   OE1  OE2                                  
REMARK 480     LYS A  777   CE   NZ                                             
REMARK 480     GLN A  818   CD   OE1  NE2                                       
REMARK 480     LYS A  824   CE   NZ                                             
REMARK 480     ARG A  887   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     LYS A  888   CD   CE   NZ                                        
REMARK 480     PHE A  889   CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 480     ARG A  890   NE   CZ   NH1  NH2                                  
REMARK 480     THR A  891   OG1  CG2                                            
REMARK 480     LYS A  908   NZ                                                  
REMARK 480     GLU A  917   CD   OE1  OE2                                       
REMARK 480     ARG A  946   NE   CZ   NH1  NH2                                  
REMARK 480     HIS A  963   ND1  CD2  CE1  NE2                                  
REMARK 480     GLU A  964   CG   CD   OE1  OE2                                  
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    ASP A 634     -153.17    -98.23                                   
REMARK 500    ARG A 687       -2.12     79.73                                   
REMARK 500    ASP A 688       40.20   -159.42                                   
REMARK 500    LEU A 743       57.52   -103.21                                   
REMARK 500    PHE A 831      -39.80    -38.07                                   
REMARK 500    MET A 872      -62.18     67.19                                   
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 GXK A 1001                
DBREF  6HX1 A  562   964  UNP    O75460   ERN1_HUMAN     562    964             
SEQRES   1 A  403  SER VAL VAL ILE VAL GLY LYS ILE SER PHE CYS PRO LYS          
SEQRES   2 A  403  ASP VAL LEU GLY HIS GLY ALA GLU GLY THR ILE VAL TYR          
SEQRES   3 A  403  ARG GLY MET PHE ASP ASN ARG ASP VAL ALA VAL LYS ARG          
SEQRES   4 A  403  ILE LEU PRO GLU CYS PHE SER PHE ALA ASP ARG GLU VAL          
SEQRES   5 A  403  GLN LEU LEU ARG GLU SER ASP GLU HIS PRO ASN VAL ILE          
SEQRES   6 A  403  ARG TYR PHE CYS THR GLU LYS ASP ARG GLN PHE GLN TYR          
SEQRES   7 A  403  ILE ALA ILE GLU LEU CYS ALA ALA THR LEU GLN GLU TYR          
SEQRES   8 A  403  VAL GLU GLN LYS ASP PHE ALA HIS LEU GLY LEU GLU PRO          
SEQRES   9 A  403  ILE THR LEU LEU GLN GLN THR THR SER GLY LEU ALA HIS          
SEQRES  10 A  403  LEU HIS SER LEU ASN ILE VAL HIS ARG ASP LEU LYS PRO          
SEQRES  11 A  403  HIS ASN ILE LEU ILE SER MET PRO ASN ALA HIS GLY LYS          
SEQRES  12 A  403  ILE LYS ALA MET ILE SER ASP PHE GLY LEU CYS LYS LYS          
SEQRES  13 A  403  LEU ALA VAL GLY ARG HIS SER PHE SER ARG ARG SER GLY          
SEQRES  14 A  403  VAL PRO GLY THR GLU GLY TRP ILE ALA PRO GLU MET LEU          
SEQRES  15 A  403  SER GLU ASP CYS LYS GLU ASN PRO THR TYR THR VAL ASP          
SEQRES  16 A  403  ILE PHE SER ALA GLY CYS VAL PHE TYR TYR VAL ILE SER          
SEQRES  17 A  403  GLU GLY SER HIS PRO PHE GLY LYS SER LEU GLN ARG GLN          
SEQRES  18 A  403  ALA ASN ILE LEU LEU GLY ALA CYS SER LEU ASP CYS LEU          
SEQRES  19 A  403  HIS PRO GLU LYS HIS GLU ASP VAL ILE ALA ARG GLU LEU          
SEQRES  20 A  403  ILE GLU LYS MET ILE ALA MET ASP PRO GLN LYS ARG PRO          
SEQRES  21 A  403  SER ALA LYS HIS VAL LEU LYS HIS PRO PHE PHE TRP SER          
SEQRES  22 A  403  LEU GLU LYS GLN LEU GLN PHE PHE GLN ASP VAL SER ASP          
SEQRES  23 A  403  ARG ILE GLU LYS GLU SER LEU ASP GLY PRO ILE VAL LYS          
SEQRES  24 A  403  GLN LEU GLU ARG GLY GLY ARG ALA VAL VAL LYS MET ASP          
SEQRES  25 A  403  TRP ARG GLU ASN ILE THR VAL PRO LEU GLN THR ASP LEU          
SEQRES  26 A  403  ARG LYS PHE ARG THR TYR LYS GLY GLY SER VAL ARG ASP          
SEQRES  27 A  403  LEU LEU ARG ALA MET ARG ASN LYS LYS HIS HIS TYR ARG          
SEQRES  28 A  403  GLU LEU PRO ALA GLU VAL ARG GLU THR LEU GLY SER LEU          
SEQRES  29 A  403  PRO ASP ASP PHE VAL CYS TYR PHE THR SER ARG PHE PRO          
SEQRES  30 A  403  HIS LEU LEU ALA HIS THR TYR ARG ALA MET GLU LEU CYS          
SEQRES  31 A  403  SER HIS GLU ARG LEU PHE GLN PRO TYR TYR PHE HIS GLU          
HET    GXK  A1001      24                                                       
HETNAM     GXK 6-CHLORANYL-~{N}-(CYCLOPROPYLMETHYL)-3-(2~{H}-INDAZOL-           
HETNAM   2 GXK  5-YL)IMIDAZO[1,2-B]PYRIDAZIN-8-AMINE                            
FORMUL   2  GXK    C17 H15 CL N6                                                
FORMUL   3  HOH   *122(H2 O)                                                    
HELIX    1 AA1 ALA A  581  GLY A  583  5                                   3    
HELIX    2 AA2 ARG A  617  GLU A  621  5                                   5    
HELIX    3 AA3 LEU A  649  GLN A  655  1                                   7    
HELIX    4 AA4 GLU A  664  LEU A  682  1                                  19    
HELIX    5 AA5 ALA A  739  LEU A  743  5                                   5    
HELIX    6 AA6 THR A  752  SER A  769  1                                  18    
HELIX    7 AA7 LYS A  777  GLY A  788  1                                  12    
HELIX    8 AA8 LYS A  799  ILE A  813  1                                  15    
HELIX    9 AA9 ASP A  816  ARG A  820  5                                   5    
HELIX   10 AB1 SER A  822  LYS A  828  1                                   7    
HELIX   11 AB2 HIS A  829  TRP A  833  5                                   5    
HELIX   12 AB3 SER A  834  ILE A  849  1                                  16    
HELIX   13 AB4 GLY A  856  ARG A  864  1                                   9    
HELIX   14 AB5 GLY A  865  VAL A  870  1                                   6    
HELIX   15 AB6 ASP A  873  ASN A  877  5                                   5    
HELIX   16 AB7 THR A  879  ARG A  887  1                                   9    
HELIX   17 AB8 SER A  896  HIS A  910  1                                  15    
HELIX   18 AB9 TYR A  911  LEU A  914  5                                   4    
HELIX   19 AC1 PRO A  915  GLY A  923  1                                   9    
HELIX   20 AC2 PRO A  926  PHE A  937  1                                  12    
HELIX   21 AC3 HIS A  939  MET A  948  1                                  10    
HELIX   22 AC4 GLU A  949  SER A  952  5                                   4    
HELIX   23 AC5 GLU A  954  GLN A  958  5                                   5    
SHEET    1 AA1 6 VAL A 564  VAL A 566  0                                        
SHEET    2 AA1 6 ILE A 569  HIS A 579 -1  O  ILE A 569   N  VAL A 566           
SHEET    3 AA1 6 ILE A 585  PHE A 591 -1  O  VAL A 586   N  LEU A 577           
SHEET    4 AA1 6 ARG A 594  ILE A 601 -1  O  VAL A 598   N  TYR A 587           
SHEET    5 AA1 6 GLN A 638  GLU A 643 -1  O  ILE A 642   N  ALA A 597           
SHEET    6 AA1 6 TYR A 628  LYS A 633 -1  N  GLU A 632   O  TYR A 639           
SHEET    1 AA2 4 VAL A 564  VAL A 566  0                                        
SHEET    2 AA2 4 ILE A 569  HIS A 579 -1  O  ILE A 569   N  VAL A 566           
SHEET    3 AA2 4 HIS A 723  SER A 726  1  O  HIS A 723   N  LEU A 577           
SHEET    4 AA2 4 GLY A 713  LYS A 716 -1  N  GLY A 713   O  SER A 726           
SHEET    1 AA3 3 CYS A 645  THR A 648  0                                        
SHEET    2 AA3 3 ILE A 694  SER A 697 -1  O  ILE A 696   N  ALA A 647           
SHEET    3 AA3 3 ALA A 707  ILE A 709 -1  O  MET A 708   N  LEU A 695           
CISPEP   1 LEU A  925    PRO A  926          0        -9.33                     
SITE     1 AC1 11 LEU A 577  LYS A 599  ILE A 626  TYR A 628                    
SITE     2 AC1 11 ILE A 642  GLU A 643  CYS A 645  ALA A 646                    
SITE     3 AC1 11 PHE A 712  LEU A 714  HIS A 723                               
CRYST1  144.408   47.074   86.369  90.00 112.14  90.00 C 1 2 1       4          
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      0.006925  0.000000  0.002817        0.00000                         
SCALE2      0.000000  0.021243  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012500        0.00000