HEADER    RECEPTOR                                19-NOV-10   2XYS              
TITLE     CRYSTAL STRUCTURE OF APLYSIA CALIFORNICA ACHBP IN COMPLEX WITH        
TITLE    2 STRYCHNINE                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SOLUBLE ACETYLCHOLINE RECEPTOR;                            
COMPND   3 CHAIN: A, B, C, D, E;                                                
COMPND   4 FRAGMENT: RESIDUES 20-236;                                           
COMPND   5 SYNONYM: ACHBP;                                                      
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: APLYSIA CALIFORNICA;                            
SOURCE   3 ORGANISM_COMMON: CALIFORNIA SEA HARE;                                
SOURCE   4 ORGANISM_TAXID: 6500;                                                
SOURCE   5 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   6 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7108                                        
KEYWDS    RECEPTOR, AMIDATION, CONFORMATIONAL FLEXIBILITY, CONOTOXIN,           
KEYWDS   2 NEUROTOXIN, NICOTINIC, POSTSYNAPTIC NEUROTOXIN, RECEPTOR-TOXIN       
KEYWDS   3 COMPLEX                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.BRAMS,A.PANDYA,D.KUZMIN,R.VAN ELK,L.KRIJNEN,J.L.YAKEL,V.TSETLIN,    
AUTHOR   2 A.B.SMIT,C.ULENS                                                     
REVDAT   5   13-NOV-24 2XYS    1       REMARK                                   
REVDAT   4   20-DEC-23 2XYS    1       REMARK                                   
REVDAT   3   28-DEC-11 2XYS    1       JRNL   REMARK VERSN                      
REVDAT   2   20-APR-11 2XYS    1       JRNL                                     
REVDAT   1   23-MAR-11 2XYS    0                                                
JRNL        AUTH   M.BRAMS,A.PANDYA,D.KUZMIN,R.VAN ELK,L.KRIJNEN,J.L.YAKEL,     
JRNL        AUTH 2 V.TSETLIN,A.B.SMIT,C.ULENS                                   
JRNL        TITL   A STRUCTURAL AND MUTAGENIC BLUEPRINT FOR MOLECULAR           
JRNL        TITL 2 RECOGNITION OF STRYCHNINE AND D-TUBOCURARINE BY DIFFERENT    
JRNL        TITL 3 CYS-LOOP RECEPTORS.                                          
JRNL        REF    PLOS BIOL.                    V.   9 01034 2011              
JRNL        REFN                   ISSN 1544-9173                               
JRNL        PMID   21468359                                                     
JRNL        DOI    10.1371/JOURNAL.PBIO.1001034                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.91 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.91                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 44.61                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 107844                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.174                           
REMARK   3   R VALUE            (WORKING SET) : 0.172                           
REMARK   3   FREE R VALUE                     : 0.210                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 5414                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 44.6198 -  4.1119    0.96    11193   624  0.1583 0.1785        
REMARK   3     2  4.1119 -  3.2640    0.98    10926   587  0.1495 0.1810        
REMARK   3     3  3.2640 -  2.8515    0.98    10824   594  0.1720 0.2018        
REMARK   3     4  2.8515 -  2.5908    0.97    10657   570  0.1741 0.2338        
REMARK   3     5  2.5908 -  2.4051    0.96    10583   551  0.1705 0.2154        
REMARK   3     6  2.4051 -  2.2633    0.96    10484   509  0.1711 0.2258        
REMARK   3     7  2.2633 -  2.1500    0.94    10233   520  0.1707 0.2086        
REMARK   3     8  2.1500 -  2.0564    0.92     9989   520  0.1765 0.2465        
REMARK   3     9  2.0564 -  1.9772    0.88     9539   502  0.2004 0.2564        
REMARK   3    10  1.9772 -  1.9090    0.74     8002   437  0.2490 0.2898        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : 0.35                                          
REMARK   3   B_SOL              : 34.35                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.250            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.710           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 21.93                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.24                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.63950                                             
REMARK   3    B22 (A**2) : -1.63950                                             
REMARK   3    B33 (A**2) : 3.27890                                              
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.007           8806                                  
REMARK   3   ANGLE     :  1.194          12102                                  
REMARK   3   CHIRALITY :  0.079           1365                                  
REMARK   3   PLANARITY :  0.005           1554                                  
REMARK   3   DIHEDRAL  : 15.558           3248                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 5                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN A                                                
REMARK   3    ORIGIN FOR THE GROUP (A): -31.8576  19.8121 -11.5998              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0970 T22:   0.1037                                     
REMARK   3      T33:   0.0995 T12:   0.0032                                     
REMARK   3      T13:   0.0472 T23:  -0.0089                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.6793 L22:   0.7489                                     
REMARK   3      L33:   0.7552 L12:   0.2076                                     
REMARK   3      L13:   0.0771 L23:   0.1505                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0296 S12:   0.0752 S13:   0.0070                       
REMARK   3      S21:  -0.1633 S22:  -0.0195 S23:  -0.1185                       
REMARK   3      S31:   0.0490 S32:   0.0662 S33:  -0.0048                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN B                                                
REMARK   3    ORIGIN FOR THE GROUP (A): -51.3351   2.0946  -6.9384              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1250 T22:   0.0546                                     
REMARK   3      T33:   0.0989 T12:  -0.0039                                     
REMARK   3      T13:   0.0170 T23:  -0.0192                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.5131 L22:   0.5579                                     
REMARK   3      L33:   0.6606 L12:   0.2608                                     
REMARK   3      L13:  -0.2027 L23:   0.0870                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0193 S12:   0.0164 S13:  -0.1171                       
REMARK   3      S21:  -0.0405 S22:   0.0247 S23:   0.0591                       
REMARK   3      S31:   0.0441 S32:  -0.0306 S33:   0.0162                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN C                                                
REMARK   3    ORIGIN FOR THE GROUP (A): -58.9235   4.2968  18.8068              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1274 T22:   0.1039                                     
REMARK   3      T33:   0.0777 T12:  -0.0108                                     
REMARK   3      T13:   0.0275 T23:   0.0231                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.5987 L22:   0.6120                                     
REMARK   3      L33:   0.7451 L12:   0.3034                                     
REMARK   3      L13:  -0.0473 L23:   0.1787                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0023 S12:  -0.1371 S13:  -0.0390                       
REMARK   3      S21:   0.0649 S22:  -0.0226 S23:   0.0603                       
REMARK   3      S31:   0.0906 S32:  -0.0696 S33:  -0.0061                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: CHAIN D                                                
REMARK   3    ORIGIN FOR THE GROUP (A): -44.1625  23.6517  29.8927              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0895 T22:   0.1468                                     
REMARK   3      T33:   0.0538 T12:   0.0032                                     
REMARK   3      T13:  -0.0015 T23:  -0.0074                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.6053 L22:   0.9127                                     
REMARK   3      L33:   0.6238 L12:   0.2335                                     
REMARK   3      L13:  -0.0686 L23:   0.0082                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0193 S12:  -0.1860 S13:   0.0962                       
REMARK   3      S21:   0.1145 S22:  -0.0200 S23:  -0.0398                       
REMARK   3      S31:  -0.0151 S32:   0.0009 S33:   0.0035                       
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    SELECTION: CHAIN E                                                
REMARK   3    ORIGIN FOR THE GROUP (A): -27.2774  33.2770  11.1605              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0168 T22:   0.0699                                     
REMARK   3      T33:   0.0750 T12:  -0.0140                                     
REMARK   3      T13:   0.0026 T23:  -0.0053                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.6652 L22:   0.4181                                     
REMARK   3      L33:   0.8950 L12:   0.2446                                     
REMARK   3      L13:  -0.1592 L23:   0.0767                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0261 S12:  -0.0257 S13:   0.0407                       
REMARK   3      S21:   0.0167 S22:  -0.0186 S23:  -0.0946                       
REMARK   3      S31:  -0.0584 S32:   0.0567 S33:  -0.0036                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2XYS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 19-NOV-10.                  
REMARK 100 THE DEPOSITION ID IS D_1290046328.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9334                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 113796                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.910                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 49.560                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.300                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.2                               
REMARK 200  DATA REDUNDANCY                : 5.600                              
REMARK 200  R MERGE                    (I) : 0.08000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.91                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.01                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.62000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.300                              
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: PDB ENTRY 2UZ6                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 58.06                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.93                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 200 MM SODIUM ACETATE, 100 MM            
REMARK 280  BISTRISPROPANE AT PH 8.5, 15.5% PEG3350                             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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      144.83800            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       50.29650            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       50.29650            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       72.41900            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       50.29650            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       50.29650            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      217.25700            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       50.29650            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       50.29650            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       72.41900            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       50.29650            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       50.29650            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      217.25700            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000      144.83800            
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: PENTAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 13210 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 41740 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -72.6 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E                         
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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH C2018  LIES ON A SPECIAL POSITION.                          
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     ARG A   206                                                      
REMARK 465     ALA A   207                                                      
REMARK 465     GLY A   208                                                      
REMARK 465     ASN A   209                                                      
REMARK 465     GLY A   210                                                      
REMARK 465     PHE A   211                                                      
REMARK 465     PHE A   212                                                      
REMARK 465     ARG A   213                                                      
REMARK 465     ASN A   214                                                      
REMARK 465     LEU A   215                                                      
REMARK 465     PHE A   216                                                      
REMARK 465     ASP A   217                                                      
REMARK 465     ARG B   206                                                      
REMARK 465     ALA B   207                                                      
REMARK 465     GLY B   208                                                      
REMARK 465     ASN B   209                                                      
REMARK 465     GLY B   210                                                      
REMARK 465     PHE B   211                                                      
REMARK 465     PHE B   212                                                      
REMARK 465     ARG B   213                                                      
REMARK 465     ASN B   214                                                      
REMARK 465     LEU B   215                                                      
REMARK 465     PHE B   216                                                      
REMARK 465     ASP B   217                                                      
REMARK 465     ARG C   206                                                      
REMARK 465     ALA C   207                                                      
REMARK 465     GLY C   208                                                      
REMARK 465     ASN C   209                                                      
REMARK 465     GLY C   210                                                      
REMARK 465     PHE C   211                                                      
REMARK 465     PHE C   212                                                      
REMARK 465     ARG C   213                                                      
REMARK 465     ASN C   214                                                      
REMARK 465     LEU C   215                                                      
REMARK 465     PHE C   216                                                      
REMARK 465     ASP C   217                                                      
REMARK 465     ARG D   206                                                      
REMARK 465     ALA D   207                                                      
REMARK 465     GLY D   208                                                      
REMARK 465     ASN D   209                                                      
REMARK 465     GLY D   210                                                      
REMARK 465     PHE D   211                                                      
REMARK 465     PHE D   212                                                      
REMARK 465     ARG D   213                                                      
REMARK 465     ASN D   214                                                      
REMARK 465     LEU D   215                                                      
REMARK 465     PHE D   216                                                      
REMARK 465     ASP D   217                                                      
REMARK 465     ARG E   206                                                      
REMARK 465     ALA E   207                                                      
REMARK 465     GLY E   208                                                      
REMARK 465     ASN E   209                                                      
REMARK 465     GLY E   210                                                      
REMARK 465     PHE E   211                                                      
REMARK 465     PHE E   212                                                      
REMARK 465     ARG E   213                                                      
REMARK 465     ASN E   214                                                      
REMARK 465     LEU E   215                                                      
REMARK 465     PHE E   216                                                      
REMARK 465     ASP E   217                                                      
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 B  87       45.04    -86.48                                   
REMARK 500    ASP B 131       38.56    -93.91                                   
REMARK 500    ASP C  87       46.22    -85.48                                   
REMARK 500    ASP C 131       30.94    -95.25                                   
REMARK 500    LYS D  40      141.34   -170.29                                   
REMARK 500    ASP D  87       46.05    -90.54                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH E2023        DISTANCE =  6.64 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SY9 A 1206                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SY9 B 1206                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SY9 C 1206                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SY9 D 1206                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SY9 E 1206                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SY9 E 1207                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2WN9   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF APLYSIA ACHBP IN COMPLEX WITH 4-0H-DMXBA        
REMARK 900 RELATED ID: 2W8F   RELATED DB: PDB                                   
REMARK 900 APLYSIA CALIFORNICA ACHBP BOUND TO IN SILICO COMPOUND 31             
REMARK 900 RELATED ID: 2BYP   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF APLYSIA CALIFORNICA ACHBP IN COMPLEX WITH       
REMARK 900 ALPHA-CONOTOXIN IMI                                                  
REMARK 900 RELATED ID: 2C9T   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ACETYLCHOLINE BINDING PROTEIN (ACHBP) FROM      
REMARK 900 APLYSIA CALIFORNICA IN COMPLEX WITH ALPHA-CONOTOXIN IMI              
REMARK 900 RELATED ID: 2BYQ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF APLYSIA CALIFORNICA ACHBP IN COMPLEX WITH       
REMARK 900 EPIBATIDINE                                                          
REMARK 900 RELATED ID: 2W8G   RELATED DB: PDB                                   
REMARK 900 APLYSIA CALIFORNICA ACHBP BOUND TO IN SILICO COMPOUND 35             
REMARK 900 RELATED ID: 2X00   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF A-ACHBP IN COMPLEX WITH GYMNODIMINE A           
REMARK 900 RELATED ID: 2UZ6   RELATED DB: PDB                                   
REMARK 900 ACHBP-TARGETED A-CONOTOXIN CORRELATES DISTINCT BINDING ORIENTATIONS  
REMARK 900 WITH NACHR SUBTYPE SELECTIVITY.                                      
REMARK 900 RELATED ID: 2WNL   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF APLYSIA ACHBP IN COMPLEX WITH ANABASEINE        
REMARK 900 RELATED ID: 2BR7   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ACETYLCHOLINE-BINDING PROTEIN (ACHBP) FROM      
REMARK 900 APLYSIA CALIFORNICA IN COMPLEX WITH HEPES                            
REMARK 900 RELATED ID: 2BR8   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ACETYLCHOLINE-BINDING PROTEIN (ACHBP) FROM      
REMARK 900 APLYSIA CALIFORNICA IN COMPLEX WITH AN ALPHA-CONOTOXIN PNIA VARIANT  
REMARK 900 RELATED ID: 2XNV   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINE BINDING PROTEIN (ACHBP) AS TEMPLATE FOR HIERARCHICAL   
REMARK 900 IN SILICO SCREENING PROCEDURES TO IDENTIFY STRUCTURALLY NOVEL        
REMARK 900 LIGANDS FOR THE NICOTINIC RECEPTORS                                  
REMARK 900 RELATED ID: 2BYR   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ACHBP FROM APLYSIA CALIFORNICA IN COMPLEX WITH  
REMARK 900 METHYLLYCACONITINE                                                   
REMARK 900 RELATED ID: 2BYN   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF APO ACHBP FROM APLYSIA CALIFORNICA              
REMARK 900 RELATED ID: 2BYS   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ACHBP FROM APLYSIA CALIFORNICA IN COMPLEX WITH  
REMARK 900 LOBELINE                                                             
REMARK 900 RELATED ID: 2XNT   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINE BINDING PROTEIN (ACHBP) AS TEMPLATE FOR HIERARCHICAL   
REMARK 900 IN SILICO SCREENING PROCEDURES TO IDENTIFY STRUCTURALLY NOVEL        
REMARK 900 LIGANDS FOR THE NICOTINIC RECEPTORS                                  
REMARK 900 RELATED ID: 2WNJ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF APLYSIA ACHBP IN COMPLEX WITH DMXBA             
REMARK 900 RELATED ID: 2Y7Y   RELATED DB: PDB                                   
REMARK 900 APLYSIA CALIFORNICA ACHBP IN APO STATE                               
REMARK 900 RELATED ID: 2WZY   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF A-ACHBP IN COMPLEX WITH 13-DESMETHYL SPIROLIDE  
REMARK 900 C                                                                    
REMARK 900 RELATED ID: 2WNC   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF APLYSIA ACHBP IN COMPLEX WITH TROPISETRON       
REMARK 900 RELATED ID: 2XNU   RELATED DB: PDB                                   
REMARK 900 ACETYLCHOLINE BINDING PROTEIN (ACHBP) AS TEMPLATE FOR HIERARCHICAL   
REMARK 900 IN SILICO SCREENING PROCEDURES TO IDENTIFY STRUCTURALLY NOVEL        
REMARK 900 LIGANDS FOR THE NICOTINIC RECEPTORS                                  
REMARK 900 RELATED ID: 2XYT   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF APLYSIA CALIFORNICA ACHBP IN COMPLEX WITH D-    
REMARK 900 TUBOCURARINE                                                         
DBREF  2XYS A    1   217  UNP    Q8WSF8   Q8WSF8_APLCA    20    236             
DBREF  2XYS B    1   217  UNP    Q8WSF8   Q8WSF8_APLCA    20    236             
DBREF  2XYS C    1   217  UNP    Q8WSF8   Q8WSF8_APLCA    20    236             
DBREF  2XYS D    1   217  UNP    Q8WSF8   Q8WSF8_APLCA    20    236             
DBREF  2XYS E    1   217  UNP    Q8WSF8   Q8WSF8_APLCA    20    236             
SEQADV 2XYS VAL A   41  UNP  Q8WSF8    ALA    60 CONFLICT                       
SEQADV 2XYS VAL A  136  UNP  Q8WSF8    ALA   155 CONFLICT                       
SEQADV 2XYS VAL B   41  UNP  Q8WSF8    ALA    60 CONFLICT                       
SEQADV 2XYS VAL B  136  UNP  Q8WSF8    ALA   155 CONFLICT                       
SEQADV 2XYS VAL C   41  UNP  Q8WSF8    ALA    60 CONFLICT                       
SEQADV 2XYS VAL C  136  UNP  Q8WSF8    ALA   155 CONFLICT                       
SEQADV 2XYS VAL D   41  UNP  Q8WSF8    ALA    60 CONFLICT                       
SEQADV 2XYS VAL D  136  UNP  Q8WSF8    ALA   155 CONFLICT                       
SEQADV 2XYS VAL E   41  UNP  Q8WSF8    ALA    60 CONFLICT                       
SEQADV 2XYS VAL E  136  UNP  Q8WSF8    ALA   155 CONFLICT                       
SEQRES   1 A  217  GLN ALA ASN LEU MET ARG LEU LYS SER ASP LEU PHE ASN          
SEQRES   2 A  217  ARG SER PRO MET TYR PRO GLY PRO THR LYS ASP ASP PRO          
SEQRES   3 A  217  LEU THR VAL THR LEU GLY PHE THR LEU GLN ASP ILE VAL          
SEQRES   4 A  217  LYS VAL ASP SER SER THR ASN GLU VAL ASP LEU VAL TYR          
SEQRES   5 A  217  TYR GLU GLN GLN ARG TRP LYS LEU ASN SER LEU MET TRP          
SEQRES   6 A  217  ASP PRO ASN GLU TYR GLY ASN ILE THR ASP PHE ARG THR          
SEQRES   7 A  217  SER ALA ALA ASP ILE TRP THR PRO ASP ILE THR ALA TYR          
SEQRES   8 A  217  SER SER THR ARG PRO VAL GLN VAL LEU SER PRO GLN ILE          
SEQRES   9 A  217  ALA VAL VAL THR HIS ASP GLY SER VAL MET PHE ILE PRO          
SEQRES  10 A  217  ALA GLN ARG LEU SER PHE MET CYS ASP PRO THR GLY VAL          
SEQRES  11 A  217  ASP SER GLU GLU GLY VAL THR CYS ALA VAL LYS PHE GLY          
SEQRES  12 A  217  SER TRP VAL TYR SER GLY PHE GLU ILE ASP LEU LYS THR          
SEQRES  13 A  217  ASP THR ASP GLN VAL ASP LEU SER SER TYR TYR ALA SER          
SEQRES  14 A  217  SER LYS TYR GLU ILE LEU SER ALA THR GLN THR ARG GLN          
SEQRES  15 A  217  VAL GLN HIS TYR SER CYS CYS PRO GLU PRO TYR ILE ASP          
SEQRES  16 A  217  VAL ASN LEU VAL VAL LYS PHE ARG GLU ARG ARG ALA GLY          
SEQRES  17 A  217  ASN GLY PHE PHE ARG ASN LEU PHE ASP                          
SEQRES   1 B  217  GLN ALA ASN LEU MET ARG LEU LYS SER ASP LEU PHE ASN          
SEQRES   2 B  217  ARG SER PRO MET TYR PRO GLY PRO THR LYS ASP ASP PRO          
SEQRES   3 B  217  LEU THR VAL THR LEU GLY PHE THR LEU GLN ASP ILE VAL          
SEQRES   4 B  217  LYS VAL ASP SER SER THR ASN GLU VAL ASP LEU VAL TYR          
SEQRES   5 B  217  TYR GLU GLN GLN ARG TRP LYS LEU ASN SER LEU MET TRP          
SEQRES   6 B  217  ASP PRO ASN GLU TYR GLY ASN ILE THR ASP PHE ARG THR          
SEQRES   7 B  217  SER ALA ALA ASP ILE TRP THR PRO ASP ILE THR ALA TYR          
SEQRES   8 B  217  SER SER THR ARG PRO VAL GLN VAL LEU SER PRO GLN ILE          
SEQRES   9 B  217  ALA VAL VAL THR HIS ASP GLY SER VAL MET PHE ILE PRO          
SEQRES  10 B  217  ALA GLN ARG LEU SER PHE MET CYS ASP PRO THR GLY VAL          
SEQRES  11 B  217  ASP SER GLU GLU GLY VAL THR CYS ALA VAL LYS PHE GLY          
SEQRES  12 B  217  SER TRP VAL TYR SER GLY PHE GLU ILE ASP LEU LYS THR          
SEQRES  13 B  217  ASP THR ASP GLN VAL ASP LEU SER SER TYR TYR ALA SER          
SEQRES  14 B  217  SER LYS TYR GLU ILE LEU SER ALA THR GLN THR ARG GLN          
SEQRES  15 B  217  VAL GLN HIS TYR SER CYS CYS PRO GLU PRO TYR ILE ASP          
SEQRES  16 B  217  VAL ASN LEU VAL VAL LYS PHE ARG GLU ARG ARG ALA GLY          
SEQRES  17 B  217  ASN GLY PHE PHE ARG ASN LEU PHE ASP                          
SEQRES   1 C  217  GLN ALA ASN LEU MET ARG LEU LYS SER ASP LEU PHE ASN          
SEQRES   2 C  217  ARG SER PRO MET TYR PRO GLY PRO THR LYS ASP ASP PRO          
SEQRES   3 C  217  LEU THR VAL THR LEU GLY PHE THR LEU GLN ASP ILE VAL          
SEQRES   4 C  217  LYS VAL ASP SER SER THR ASN GLU VAL ASP LEU VAL TYR          
SEQRES   5 C  217  TYR GLU GLN GLN ARG TRP LYS LEU ASN SER LEU MET TRP          
SEQRES   6 C  217  ASP PRO ASN GLU TYR GLY ASN ILE THR ASP PHE ARG THR          
SEQRES   7 C  217  SER ALA ALA ASP ILE TRP THR PRO ASP ILE THR ALA TYR          
SEQRES   8 C  217  SER SER THR ARG PRO VAL GLN VAL LEU SER PRO GLN ILE          
SEQRES   9 C  217  ALA VAL VAL THR HIS ASP GLY SER VAL MET PHE ILE PRO          
SEQRES  10 C  217  ALA GLN ARG LEU SER PHE MET CYS ASP PRO THR GLY VAL          
SEQRES  11 C  217  ASP SER GLU GLU GLY VAL THR CYS ALA VAL LYS PHE GLY          
SEQRES  12 C  217  SER TRP VAL TYR SER GLY PHE GLU ILE ASP LEU LYS THR          
SEQRES  13 C  217  ASP THR ASP GLN VAL ASP LEU SER SER TYR TYR ALA SER          
SEQRES  14 C  217  SER LYS TYR GLU ILE LEU SER ALA THR GLN THR ARG GLN          
SEQRES  15 C  217  VAL GLN HIS TYR SER CYS CYS PRO GLU PRO TYR ILE ASP          
SEQRES  16 C  217  VAL ASN LEU VAL VAL LYS PHE ARG GLU ARG ARG ALA GLY          
SEQRES  17 C  217  ASN GLY PHE PHE ARG ASN LEU PHE ASP                          
SEQRES   1 D  217  GLN ALA ASN LEU MET ARG LEU LYS SER ASP LEU PHE ASN          
SEQRES   2 D  217  ARG SER PRO MET TYR PRO GLY PRO THR LYS ASP ASP PRO          
SEQRES   3 D  217  LEU THR VAL THR LEU GLY PHE THR LEU GLN ASP ILE VAL          
SEQRES   4 D  217  LYS VAL ASP SER SER THR ASN GLU VAL ASP LEU VAL TYR          
SEQRES   5 D  217  TYR GLU GLN GLN ARG TRP LYS LEU ASN SER LEU MET TRP          
SEQRES   6 D  217  ASP PRO ASN GLU TYR GLY ASN ILE THR ASP PHE ARG THR          
SEQRES   7 D  217  SER ALA ALA ASP ILE TRP THR PRO ASP ILE THR ALA TYR          
SEQRES   8 D  217  SER SER THR ARG PRO VAL GLN VAL LEU SER PRO GLN ILE          
SEQRES   9 D  217  ALA VAL VAL THR HIS ASP GLY SER VAL MET PHE ILE PRO          
SEQRES  10 D  217  ALA GLN ARG LEU SER PHE MET CYS ASP PRO THR GLY VAL          
SEQRES  11 D  217  ASP SER GLU GLU GLY VAL THR CYS ALA VAL LYS PHE GLY          
SEQRES  12 D  217  SER TRP VAL TYR SER GLY PHE GLU ILE ASP LEU LYS THR          
SEQRES  13 D  217  ASP THR ASP GLN VAL ASP LEU SER SER TYR TYR ALA SER          
SEQRES  14 D  217  SER LYS TYR GLU ILE LEU SER ALA THR GLN THR ARG GLN          
SEQRES  15 D  217  VAL GLN HIS TYR SER CYS CYS PRO GLU PRO TYR ILE ASP          
SEQRES  16 D  217  VAL ASN LEU VAL VAL LYS PHE ARG GLU ARG ARG ALA GLY          
SEQRES  17 D  217  ASN GLY PHE PHE ARG ASN LEU PHE ASP                          
SEQRES   1 E  217  GLN ALA ASN LEU MET ARG LEU LYS SER ASP LEU PHE ASN          
SEQRES   2 E  217  ARG SER PRO MET TYR PRO GLY PRO THR LYS ASP ASP PRO          
SEQRES   3 E  217  LEU THR VAL THR LEU GLY PHE THR LEU GLN ASP ILE VAL          
SEQRES   4 E  217  LYS VAL ASP SER SER THR ASN GLU VAL ASP LEU VAL TYR          
SEQRES   5 E  217  TYR GLU GLN GLN ARG TRP LYS LEU ASN SER LEU MET TRP          
SEQRES   6 E  217  ASP PRO ASN GLU TYR GLY ASN ILE THR ASP PHE ARG THR          
SEQRES   7 E  217  SER ALA ALA ASP ILE TRP THR PRO ASP ILE THR ALA TYR          
SEQRES   8 E  217  SER SER THR ARG PRO VAL GLN VAL LEU SER PRO GLN ILE          
SEQRES   9 E  217  ALA VAL VAL THR HIS ASP GLY SER VAL MET PHE ILE PRO          
SEQRES  10 E  217  ALA GLN ARG LEU SER PHE MET CYS ASP PRO THR GLY VAL          
SEQRES  11 E  217  ASP SER GLU GLU GLY VAL THR CYS ALA VAL LYS PHE GLY          
SEQRES  12 E  217  SER TRP VAL TYR SER GLY PHE GLU ILE ASP LEU LYS THR          
SEQRES  13 E  217  ASP THR ASP GLN VAL ASP LEU SER SER TYR TYR ALA SER          
SEQRES  14 E  217  SER LYS TYR GLU ILE LEU SER ALA THR GLN THR ARG GLN          
SEQRES  15 E  217  VAL GLN HIS TYR SER CYS CYS PRO GLU PRO TYR ILE ASP          
SEQRES  16 E  217  VAL ASN LEU VAL VAL LYS PHE ARG GLU ARG ARG ALA GLY          
SEQRES  17 E  217  ASN GLY PHE PHE ARG ASN LEU PHE ASP                          
HET    SY9  A1206      25                                                       
HET    SY9  B1206      25                                                       
HET    SY9  C1206      25                                                       
HET    SY9  D1206      25                                                       
HET    SY9  E1206      25                                                       
HET    SY9  E1207      25                                                       
HETNAM     SY9 STRYCHNINE                                                       
FORMUL   6  SY9    6(C21 H22 N2 O2)                                             
FORMUL  12  HOH   *1105(H2 O)                                                   
HELIX    1   1 GLN A    1  ASN A   13  1                                  13    
HELIX    2   2 ASP A   66  TYR A   70  5                                   5    
HELIX    3   3 ALA A   81  ILE A   83  5                                   3    
HELIX    4   4 GLN B    1  ASN B   13  1                                  13    
HELIX    5   5 ASP B   66  TYR B   70  5                                   5    
HELIX    6   6 ALA B   81  ILE B   83  5                                   3    
HELIX    7   7 GLN C    1  ASN C   13  1                                  13    
HELIX    8   8 ASP C   66  TYR C   70  5                                   5    
HELIX    9   9 ALA C   81  ILE C   83  5                                   3    
HELIX   10  10 GLN D    1  ASN D   13  1                                  13    
HELIX   11  11 ASP D   66  TYR D   70  5                                   5    
HELIX   12  12 ALA D   81  ILE D   83  5                                   3    
HELIX   13  13 GLN E    1  ASN E   13  1                                  13    
HELIX   14  14 ASP E   66  GLY E   71  5                                   6    
HELIX   15  15 ALA E   81  ILE E   83  5                                   3    
SHEET    1  AA 6 ASP A  75  SER A  79  0                                        
SHEET    2  AA 6 ILE A 104  THR A 108 -1  O  ALA A 105   N  THR A  78           
SHEET    3  AA 6 ASP A 110  PHE A 115 -1  N  GLY A 111   O  THR A 108           
SHEET    4  AA 6 GLU A  47  MET A  64 -1  O  GLN A  56   N  PHE A 115           
SHEET    5  AA 6 ALA A 118  MET A 124  1  O  GLN A 119   N  TYR A  52           
SHEET    6  AA 6 GLN A  98  VAL A  99  1  O  GLN A  98   N  ARG A 120           
SHEET    1  AB 6 ASP A  75  SER A  79  0                                        
SHEET    2  AB 6 ILE A 104  THR A 108 -1  O  ALA A 105   N  THR A  78           
SHEET    3  AB 6 ASP A 110  PHE A 115 -1  N  GLY A 111   O  THR A 108           
SHEET    4  AB 6 GLU A  47  MET A  64 -1  O  GLN A  56   N  PHE A 115           
SHEET    5  AB 6 LEU A  27  ASP A  42 -1  O  THR A  30   N  ARG A  57           
SHEET    6  AB 6 ILE A 152  LYS A 155  1  O  ASP A 153   N  VAL A  29           
SHEET    1  AC 4 ILE A  88  ALA A  90  0                                        
SHEET    2  AC 4 VAL A 136  SER A 144 -1  O  GLY A 143   N  THR A  89           
SHEET    3  AC 4 TYR A 193  GLU A 204 -1  O  VAL A 196   N  PHE A 142           
SHEET    4  AC 4 TYR A 172  GLN A 184 -1  O  GLU A 173   N  ARG A 203           
SHEET    1  BA 6 ASP B  75  SER B  79  0                                        
SHEET    2  BA 6 ILE B 104  THR B 108 -1  O  ALA B 105   N  THR B  78           
SHEET    3  BA 6 ASP B 110  PHE B 115 -1  N  GLY B 111   O  THR B 108           
SHEET    4  BA 6 GLU B  47  MET B  64 -1  O  GLN B  56   N  PHE B 115           
SHEET    5  BA 6 ALA B 118  MET B 124  1  O  GLN B 119   N  TYR B  52           
SHEET    6  BA 6 GLN B  98  VAL B  99  1  O  GLN B  98   N  ARG B 120           
SHEET    1  BB 6 ASP B  75  SER B  79  0                                        
SHEET    2  BB 6 ILE B 104  THR B 108 -1  O  ALA B 105   N  THR B  78           
SHEET    3  BB 6 ASP B 110  PHE B 115 -1  N  GLY B 111   O  THR B 108           
SHEET    4  BB 6 GLU B  47  MET B  64 -1  O  GLN B  56   N  PHE B 115           
SHEET    5  BB 6 LEU B  27  ASP B  42 -1  O  THR B  30   N  ARG B  57           
SHEET    6  BB 6 ILE B 152  LYS B 155  1  O  ASP B 153   N  VAL B  29           
SHEET    1  BC 4 ILE B  88  ALA B  90  0                                        
SHEET    2  BC 4 VAL B 136  SER B 144 -1  O  GLY B 143   N  THR B  89           
SHEET    3  BC 4 TYR B 193  GLU B 204 -1  O  VAL B 196   N  PHE B 142           
SHEET    4  BC 4 TYR B 172  GLN B 184 -1  O  GLU B 173   N  ARG B 203           
SHEET    1  CA 6 ASP C  75  SER C  79  0                                        
SHEET    2  CA 6 ILE C 104  THR C 108 -1  O  ALA C 105   N  THR C  78           
SHEET    3  CA 6 ASP C 110  PHE C 115 -1  N  GLY C 111   O  THR C 108           
SHEET    4  CA 6 GLU C  47  MET C  64 -1  O  GLN C  56   N  PHE C 115           
SHEET    5  CA 6 ALA C 118  MET C 124  1  O  GLN C 119   N  TYR C  52           
SHEET    6  CA 6 GLN C  98  VAL C  99  1  O  GLN C  98   N  ARG C 120           
SHEET    1  CB 6 ASP C  75  SER C  79  0                                        
SHEET    2  CB 6 ILE C 104  THR C 108 -1  O  ALA C 105   N  THR C  78           
SHEET    3  CB 6 ASP C 110  PHE C 115 -1  N  GLY C 111   O  THR C 108           
SHEET    4  CB 6 GLU C  47  MET C  64 -1  O  GLN C  56   N  PHE C 115           
SHEET    5  CB 6 LEU C  27  ASP C  42 -1  O  THR C  30   N  ARG C  57           
SHEET    6  CB 6 ILE C 152  LYS C 155  1  O  ASP C 153   N  VAL C  29           
SHEET    1  CC 4 ILE C  88  ALA C  90  0                                        
SHEET    2  CC 4 VAL C 136  SER C 144 -1  O  GLY C 143   N  THR C  89           
SHEET    3  CC 4 TYR C 193  GLU C 204 -1  O  ILE C 194   N  SER C 144           
SHEET    4  CC 4 TYR C 172  GLN C 184 -1  O  GLU C 173   N  ARG C 203           
SHEET    1  DA 6 ASP D  75  SER D  79  0                                        
SHEET    2  DA 6 ILE D 104  THR D 108 -1  O  ALA D 105   N  THR D  78           
SHEET    3  DA 6 ASP D 110  PHE D 115 -1  N  GLY D 111   O  THR D 108           
SHEET    4  DA 6 GLU D  47  MET D  64 -1  O  GLN D  56   N  PHE D 115           
SHEET    5  DA 6 ALA D 118  MET D 124  1  O  GLN D 119   N  TYR D  52           
SHEET    6  DA 6 GLN D  98  VAL D  99  1  O  GLN D  98   N  ARG D 120           
SHEET    1  DB 6 ASP D  75  SER D  79  0                                        
SHEET    2  DB 6 ILE D 104  THR D 108 -1  O  ALA D 105   N  THR D  78           
SHEET    3  DB 6 ASP D 110  PHE D 115 -1  N  GLY D 111   O  THR D 108           
SHEET    4  DB 6 GLU D  47  MET D  64 -1  O  GLN D  56   N  PHE D 115           
SHEET    5  DB 6 LEU D  27  ASP D  42 -1  O  THR D  30   N  ARG D  57           
SHEET    6  DB 6 ILE D 152  LYS D 155  1  O  ASP D 153   N  VAL D  29           
SHEET    1  DC 4 ILE D  88  ALA D  90  0                                        
SHEET    2  DC 4 VAL D 136  SER D 144 -1  O  GLY D 143   N  THR D  89           
SHEET    3  DC 4 TYR D 193  GLU D 204 -1  O  VAL D 196   N  PHE D 142           
SHEET    4  DC 4 TYR D 172  GLN D 184 -1  O  GLU D 173   N  ARG D 203           
SHEET    1  EA 6 ASP E  75  SER E  79  0                                        
SHEET    2  EA 6 ILE E 104  THR E 108 -1  O  ALA E 105   N  THR E  78           
SHEET    3  EA 6 ASP E 110  PHE E 115 -1  N  GLY E 111   O  THR E 108           
SHEET    4  EA 6 GLU E  47  MET E  64 -1  O  GLN E  56   N  PHE E 115           
SHEET    5  EA 6 ALA E 118  MET E 124  1  O  GLN E 119   N  TYR E  52           
SHEET    6  EA 6 GLN E  98  VAL E  99  1  O  GLN E  98   N  ARG E 120           
SHEET    1  EB 6 ASP E  75  SER E  79  0                                        
SHEET    2  EB 6 ILE E 104  THR E 108 -1  O  ALA E 105   N  THR E  78           
SHEET    3  EB 6 ASP E 110  PHE E 115 -1  N  GLY E 111   O  THR E 108           
SHEET    4  EB 6 GLU E  47  MET E  64 -1  O  GLN E  56   N  PHE E 115           
SHEET    5  EB 6 LEU E  27  ASP E  42 -1  O  THR E  30   N  ARG E  57           
SHEET    6  EB 6 ILE E 152  LYS E 155  1  O  ASP E 153   N  VAL E  29           
SHEET    1  EC 4 ILE E  88  ALA E  90  0                                        
SHEET    2  EC 4 VAL E 136  SER E 144 -1  O  GLY E 143   N  THR E  89           
SHEET    3  EC 4 TYR E 193  GLU E 204 -1  O  VAL E 196   N  PHE E 142           
SHEET    4  EC 4 TYR E 172  GLN E 184 -1  O  GLU E 173   N  ARG E 203           
SSBOND   1 CYS A  125    CYS A  138                          1555   1555  2.02  
SSBOND   2 CYS A  188    CYS A  189                          1555   1555  2.04  
SSBOND   3 CYS B  125    CYS B  138                          1555   1555  2.01  
SSBOND   4 CYS B  188    CYS B  189                          1555   1555  2.05  
SSBOND   5 CYS C  125    CYS C  138                          1555   1555  2.02  
SSBOND   6 CYS C  188    CYS C  189                          1555   1555  2.05  
SSBOND   7 CYS D  125    CYS D  138                          1555   1555  2.01  
SSBOND   8 CYS D  188    CYS D  189                          1555   1555  2.04  
SSBOND   9 CYS E  125    CYS E  138                          1555   1555  2.01  
SSBOND  10 CYS E  188    CYS E  189                          1555   1555  2.04  
SITE     1 AC1  9 TYR A  91  TRP A 145  CYS A 188  TYR A 193                    
SITE     2 AC1  9 HOH A2225  TYR B  53  GLN B  55  ILE B 116                    
SITE     3 AC1  9 SER B 165                                                     
SITE     1 AC2  9 TYR B  91  SER B 144  TRP B 145  TYR B 186                    
SITE     2 AC2  9 CYS B 188  CYS B 189  TYR B 193  HOH B2206                    
SITE     3 AC2  9 TYR C  53                                                     
SITE     1 AC3  9 TYR C  91  SER C 144  TRP C 145  CYS C 188                    
SITE     2 AC3  9 TYR C 193  HOH C2242  TYR D  53  ILE D 116                    
SITE     3 AC3  9 SER D 165                                                     
SITE     1 AC4 10 TYR D  91  SER D 144  TRP D 145  TYR D 186                    
SITE     2 AC4 10 CYS D 188  TYR D 193  HOH D2196  TYR E  53                    
SITE     3 AC4 10 ILE E 116  HOH E2189                                          
SITE     1 AC5  8 TYR A  53  TYR E  91  SER E 144  TRP E 145                    
SITE     2 AC5  8 TYR E 186  TYR E 193  SY9 E1207  HOH E2229                    
SITE     1 AC6  8 THR A  34  GLN A  55  ARG A  57  MET A 114                    
SITE     2 AC6  8 ILE A 116  ASP A 162  CYS E 188  SY9 E1206                    
CRYST1  100.593  100.593  289.676  90.00  90.00  90.00 P 41 21 2    40          
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      0.009941  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009941  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.003452        0.00000                         
MTRIX1   1 -1.000000 -0.029000 -0.004000       52.96300    1                    
MTRIX2   1 -0.024000  0.725000  0.689000        0.53900    1                    
MTRIX3   1 -0.017000  0.689000 -0.725000        0.40300    1