HEADER    TOXIN                                   09-FEB-12   4DO8              
TITLE     CRYSTAL STRUCTURE OF THE MUSCARINIC TOXIN MT1                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MUSCARINIC TOXIN 1;                                        
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: MUSCARINIC TOXIN 1;                                        
COMPND   5 SYNONYM: MT1, MTX1;                                                  
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 ORGANISM_SCIENTIFIC: DENDROASPIS ANGUSTICEPS;                        
SOURCE   4 ORGANISM_COMMON: EASTERN GREEN MAMBA;                                
SOURCE   5 ORGANISM_TAXID: 8618;                                                
SOURCE   6 OTHER_DETAILS: SYNTHETIC CONSTRUCT OF NATURAL TOXIN FROM DENDROASPIS 
SOURCE   7 ANGUSTICEPS.                                                         
KEYWDS    SNAKE TOXIN, THREE-FINGER TOXIN FOLD, MUSCARINIC TOXIN, MUSCARINIC M1 
KEYWDS   2 RECEPTOR, NEURONES, MUSCARINIC M4 RECEPTOR, ADRENERGIC RECEPTOR,     
KEYWDS   3 TOXIN                                                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.FRUCHART-GAILLARD,G.MOURNIER,L.VERA,D.SERVENT,E.A.STURA             
REVDAT   4   16-OCT-24 4DO8    1       REMARK                                   
REVDAT   3   03-APR-24 4DO8    1       REMARK                                   
REVDAT   2   04-JUL-12 4DO8    1       JRNL                                     
REVDAT   1   27-JUN-12 4DO8    0                                                
JRNL        AUTH   C.FRUCHART-GAILLARD,G.MOURIER,G.BLANCHET,L.VERA,N.GILLES,    
JRNL        AUTH 2 R.MENEZ,E.MARCON,E.A.STURA,D.SERVENT                         
JRNL        TITL   ENGINEERING OF THREE-FINGER FOLD TOXINS CREATES LIGANDS WITH 
JRNL        TITL 2 ORIGINAL PHARMACOLOGICAL PROFILES FOR MUSCARINIC AND         
JRNL        TITL 3 ADRENERGIC RECEPTORS.                                        
JRNL        REF    PLOS ONE                      V.   7 39166 2012              
JRNL        REFN                   ESSN 1932-6203                               
JRNL        PMID   22720062                                                     
JRNL        DOI    10.1371/JOURNAL.PONE.0039166                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0109                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 35.02                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 14044                          
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) : 0.195                           
REMARK   3   R VALUE            (WORKING SET) : 0.193                           
REMARK   3   FREE R VALUE                     : 0.234                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 740                             
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) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 971                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2890                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 51                           
REMARK   3   BIN FREE R VALUE                    : 0.2930                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1044                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 7                                       
REMARK   3   SOLVENT ATOMS            : 135                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 34.02                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 33.79                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.72000                                              
REMARK   3    B22 (A**2) : -1.25000                                             
REMARK   3    B33 (A**2) : -0.42000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.07000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.128         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.126         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.097         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.806         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.956                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.937                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1100 ; 0.026 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1502 ; 2.107 ; 1.955       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   134 ; 7.834 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    44 ;36.818 ;24.091       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   186 ;15.101 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     6 ; 7.793 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   167 ; 0.144 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):   822 ; 0.013 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
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):   679 ; 1.416 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1115 ; 2.234 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   421 ; 3.431 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   387 ; 5.102 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
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  : 2                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     1        A    66                          
REMARK   3    ORIGIN FOR THE GROUP (A):   2.0480   2.9840  10.2570              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1164 T22:   0.1184                                     
REMARK   3      T33:   0.1273 T12:  -0.0635                                     
REMARK   3      T13:  -0.0085 T23:  -0.0082                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.6992 L22:   3.9579                                     
REMARK   3      L33:   2.6011 L12:   0.2584                                     
REMARK   3      L13:  -0.0218 L23:  -1.8839                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0417 S12:   0.0210 S13:   0.0781                       
REMARK   3      S21:   0.3732 S22:  -0.1650 S23:  -0.0866                       
REMARK   3      S31:   0.1438 S32:  -0.0781 S33:   0.1232                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B     1        B    66                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -2.0880  30.2790  10.3040              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1883 T22:   0.0695                                     
REMARK   3      T33:   0.0998 T12:  -0.0536                                     
REMARK   3      T13:   0.0297 T23:  -0.0035                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4482 L22:   4.5579                                     
REMARK   3      L33:   2.7060 L12:  -0.7253                                     
REMARK   3      L13:  -0.7501 L23:   2.0340                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1232 S12:   0.0173 S13:   0.0347                       
REMARK   3      S21:   0.4002 S22:  -0.2031 S23:   0.1895                       
REMARK   3      S31:  -0.2966 S32:   0.0034 S33:   0.0799                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
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 4DO8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-FEB-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000070575.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-NOV-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID23-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.980000                           
REMARK 200  MONOCHROMATOR                  : SAGITALLY FOCUSED SI(111)          
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14793                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.9                               
REMARK 200  DATA REDUNDANCY                : 4.060                              
REMARK 200  R MERGE                    (I) : 0.09400                            
REMARK 200  R SYM                      (I) : 0.08100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.6700                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.91                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.96                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.72900                            
REMARK 200  R SYM FOR SHELL            (I) : 0.63300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: RHO-DA1A (UNPUBLISHED)                               
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.99                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.73                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN: 8.3 MG/ML IN 0.05M SODIUM       
REMARK 280  ACETATE PH 5.5. PRECIPITANT: 36% MPEG 2K, 0.1MM IMIDAZOLE-HCL,      
REMARK 280  .45M NACL, 0.09M KSCN, VAPOR DIFFUSION, SITTING DROP,               
REMARK 280  TEMPERATURE 293K, PH 7.5                                            
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       16.14000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       58.02000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       16.14000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       58.02000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5290 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 13710 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SCN A 101                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 101                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2VLW   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE MUSCARINIC TOXIN MT7 DIIODOTYR51            
REMARK 900 DERIVATIVE.                                                          
REMARK 900 RELATED ID: 3FEV   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE CHIMERIC MUSCARINIC TOXIN MT7 WITH LOOP 1   
REMARK 900 FROM MT1.                                                            
REMARK 900 RELATED ID: 3NEQ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE CHIMERIC MUSCARINIC TOXIN MT7 WITH LOOP 3   
REMARK 900 FROM MT1                                                             
REMARK 900 RELATED ID: 1FF4   RELATED DB: PDB                                   
REMARK 900 X-RAY STRUCTURE OF MUSCARINIC TOXIN 2 AT 1.5 ANGSTROM RESOLUTION     
DBREF  4DO8 A    1    66  UNP    P81030   TXM1_DENAN       1     66             
DBREF  4DO8 B    1    66  UNP    P81030   TXM1_DENAN       1     66             
SEQRES   1 A   66  LEU THR CYS VAL THR SER LYS SER ILE PHE GLY ILE THR          
SEQRES   2 A   66  THR GLU ASN CYS PRO ASP GLY GLN ASN LEU CYS PHE LYS          
SEQRES   3 A   66  LYS TRP TYR TYR ILE VAL PRO ARG TYR SER ASP ILE THR          
SEQRES   4 A   66  TRP GLY CYS ALA ALA THR CYS PRO LYS PRO THR ASN VAL          
SEQRES   5 A   66  ARG GLU THR ILE ARG CYS CYS GLU THR ASP LYS CYS ASN          
SEQRES   6 A   66  GLU                                                          
SEQRES   1 B   66  LEU THR CYS VAL THR SER LYS SER ILE PHE GLY ILE THR          
SEQRES   2 B   66  THR GLU ASN CYS PRO ASP GLY GLN ASN LEU CYS PHE LYS          
SEQRES   3 B   66  LYS TRP TYR TYR ILE VAL PRO ARG TYR SER ASP ILE THR          
SEQRES   4 B   66  TRP GLY CYS ALA ALA THR CYS PRO LYS PRO THR ASN VAL          
SEQRES   5 B   66  ARG GLU THR ILE ARG CYS CYS GLU THR ASP LYS CYS ASN          
SEQRES   6 B   66  GLU                                                          
HET    SCN  A 101       3                                                       
HET    ACT  B 101       4                                                       
HETNAM     SCN THIOCYANATE ION                                                  
HETNAM     ACT ACETATE ION                                                      
FORMUL   3  SCN    C N S 1-                                                     
FORMUL   4  ACT    C2 H3 O2 1-                                                  
FORMUL   5  HOH   *135(H2 O)                                                    
SHEET    1   A 2 THR A   2  SER A   8  0                                        
SHEET    2   A 2 GLY A  11  ASN A  16 -1  O  GLU A  15   N  CYS A   3           
SHEET    1   B 3 TYR A  35  ALA A  43  0                                        
SHEET    2   B 3 LEU A  23  VAL A  32 -1  N  LEU A  23   O  ALA A  43           
SHEET    3   B 3 GLU A  54  CYS A  59 -1  O  CYS A  59   N  CYS A  24           
SHEET    1   C 2 THR B   2  SER B   8  0                                        
SHEET    2   C 2 GLY B  11  ASN B  16 -1  O  GLY B  11   N  SER B   8           
SHEET    1   D 3 TYR B  35  ALA B  43  0                                        
SHEET    2   D 3 LEU B  23  VAL B  32 -1  N  TYR B  29   O  ASP B  37           
SHEET    3   D 3 GLU B  54  CYS B  59 -1  O  CYS B  59   N  CYS B  24           
SSBOND   1 CYS A    3    CYS A   24                          1555   1555  2.09  
SSBOND   2 CYS A   17    CYS A   42                          1555   1555  2.11  
SSBOND   3 CYS A   46    CYS A   58                          1555   1555  2.09  
SSBOND   4 CYS A   59    CYS A   64                          1555   1555  2.03  
SSBOND   5 CYS B    3    CYS B   24                          1555   1555  2.05  
SSBOND   6 CYS B   17    CYS B   42                          1555   1555  2.09  
SSBOND   7 CYS B   46    CYS B   58                          1555   1555  2.07  
SSBOND   8 CYS B   59    CYS B   64                          1555   1555  2.03  
SITE     1 AC1  6 VAL A  32  PRO A  33  ARG A  34  SER B   8                    
SITE     2 AC1  6 ILE B   9  TYR B  35                                          
SITE     1 AC2  2 TRP B  28  THR B  55                                          
CRYST1   32.280  116.040   46.190  90.00 108.01  90.00 C 1 2 1       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.030979  0.000000  0.010072        0.00000                         
SCALE2      0.000000  0.008618  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.022765        0.00000