HEADER    PROTEINASE INHIBITOR(TRYPSIN)           20-MAY-94   1ATE              
TITLE     HIGH-RESOLUTION STRUCTURE OF ASCARIS TRYPSIN INHIBITOR IN SOLUTION:   
TITLE    2 DIRECT EVIDENCE FOR A PH INDUCED CONFORMATIONAL TRANSITION IN THE    
TITLE    3 REACTIVE SITE                                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ASCARIS TRYPSIN INHIBITOR;                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ASCARIS SUUM;                                   
SOURCE   3 ORGANISM_COMMON: PIG ROUNDWORM;                                      
SOURCE   4 ORGANISM_TAXID: 6253                                                 
KEYWDS    PROTEINASE INHIBITOR(TRYPSIN)                                         
EXPDTA    SOLUTION NMR                                                          
NUMMDL    32                                                                    
AUTHOR    G.M.CLORE,B.L.GRASBERGER,A.M.GRONENBORN                               
REVDAT   4   16-OCT-24 1ATE    1       REMARK                                   
REVDAT   3   16-FEB-22 1ATE    1       REMARK                                   
REVDAT   2   24-FEB-09 1ATE    1       VERSN                                    
REVDAT   1   31-AUG-94 1ATE    0                                                
JRNL        AUTH   B.L.GRASBERGER,G.M.CLORE,A.M.GRONENBORN                      
JRNL        TITL   HIGH-RESOLUTION STRUCTURE OF ASCARIS TRYPSIN INHIBITOR IN    
JRNL        TITL 2 SOLUTION: DIRECT EVIDENCE FOR A PH-INDUCED CONFORMATIONAL    
JRNL        TITL 3 TRANSITION IN THE REACTIVE SITE.                             
JRNL        REF    STRUCTURE                     V.   2   669 1994              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   7922043                                                      
JRNL        DOI    10.1016/S0969-2126(00)00067-8                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   A.M.GRONENBORN,M.NILGES,R.J.PEANASKY,G.M.CLORE               
REMARK   1  TITL   SEQUENTIAL RESONANCE ASSIGNMENT AND SECONDARY STRUCTURE      
REMARK   1  TITL 2 DETERMINATION OF THE ASCARIS TRYPSIN INHIBITOR, A MEMBER OF  
REMARK   1  TITL 3 A NOVEL CLASS OF PROTEINASE INHIBITORS                       
REMARK   1  REF    BIOCHEMISTRY                  V.  29   183 1990              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : NULL                                                 
REMARK   3   AUTHORS     : NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  THE 3D STRUCTURE OF THE PH 2.4 FORM OF THE ASCARIS TRYPSIN          
REMARK   3  INHIBITOR IN SOLUTION BY NMR IS BASED ON 1083 EXPERIMENTAL          
REMARK   3  RESTRAINTS COMPRISING:  49 SHORT RANGE (1 < |I-J| <=5) AND          
REMARK   3  216 LONG RANGE (|I-J|>5) INTERRESIDUE INTERPROTON                   
REMARK   3  DISTANCE RESTRAINTS, 323 INTRARESIDUE INTERPROTON DISTANCE          
REMARK   3  RESTRAINTS, 46 DISTANCE RESTRAINTS FOR 3 HYDROGEN BONDS,            
REMARK   3  AND 59 PHI, 49 PSI AND 41 CHI1 TORSION ANGLE RESTRAINTS.  A         
REMARK   3  COMPLETE LIST OF EXPERIMENTAL RESTRAINTS HAS BEEN                   
REMARK   3  DEPOSITED WITH THE BROOKHAVEN DATA BANK.                            
REMARK   3                                                                      
REMARK   3  THE STRUCTURES ARE CALCULATED USING THE HYBRID METRIC               
REMARK   3  MATRIX DISTANCE GEOMETRY-DYNAMICAL SIMULATED ANNEALING              
REMARK   3  METHOD DESCRIBED BY:  NILGES, M., CLORE, G.M.  &                    
REMARK   3  GRONENBORN, A.M.  (1988) FEBS LETT 29, 317-324 ALL                  
REMARK   3  STRUCTURAL STATISTICS ARE GIVEN IN REFERENCE 1.                     
REMARK   3                                                                      
REMARK   3  THE RESTRAINED MINIMIZED AVERAGE STRUCTURE (SA)R IS                 
REMARK   3  PRESENTED IN PROTEIN DATA BANK ENTRY 1ATB.  THIS IS                 
REMARK   3  OBTAINED BY FIRST AVERAGING THE COORDINATES OF THE                  
REMARK   3  INDIVIDUAL 32 DYNAMICAL SIMULATED ANNEALING SA STRUCTURES           
REMARK   3  BEST FITTED TO RESIDUES 5 - 60, AND SUBJECTING THE                  
REMARK   3  RESULTING COORDINATES TO RESTRAINED MINIMIZATION.  THE              
REMARK   3  QUANTITY PRESENTED IN COLUMNS 61 - 66 IN ENTRY 1ATB (THE B          
REMARK   3  VALUE FIELD IN X-RAY STRUCTURES) GIVES THE AVERAGE RMS              
REMARK   3  DIFFERENCE BETWEEN THE INDIVIDUAL SA STRUCTURES AND THE             
REMARK   3  MEAN STRUCTURE.  THE QUANTITIES IN THIS FIELD OF THE                
REMARK   3  INDIVIDUAL STRUCTURES IN THIS ENTRY HAVE NO MEANING.                
REMARK   4                                                                      
REMARK   4 1ATE COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000171234.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : NULL                               
REMARK 210  PH                             : NULL                               
REMARK 210  IONIC STRENGTH                 : NULL                               
REMARK 210  PRESSURE                       : NULL                               
REMARK 210  SAMPLE CONTENTS                : NULL                               
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : NULL                               
REMARK 210  SPECTROMETER FIELD STRENGTH    : NULL                               
REMARK 210  SPECTROMETER MODEL             : NULL                               
REMARK 210  SPECTROMETER MANUFACTURER      : NULL                               
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : NULL                               
REMARK 210   METHOD USED                   : NULL                               
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : NULL                               
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 32                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : NULL                               
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL                
REMARK 210                                                                      
REMARK 210 REMARK: NULL                                                         
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500  1 TRP A  12   CG    TRP A  12   CD2    -0.120                       
REMARK 500  2 TRP A  12   CG    TRP A  12   CD2    -0.123                       
REMARK 500  3 TRP A  12   CG    TRP A  12   CD2    -0.123                       
REMARK 500  4 TRP A  12   CG    TRP A  12   CD2    -0.124                       
REMARK 500  5 TRP A  12   CG    TRP A  12   CD2    -0.123                       
REMARK 500  6 TRP A  12   CG    TRP A  12   CD2    -0.120                       
REMARK 500  7 TRP A  12   CG    TRP A  12   CD2    -0.121                       
REMARK 500  8 TRP A  12   CG    TRP A  12   CD2    -0.123                       
REMARK 500  9 TRP A  12   CG    TRP A  12   CD2    -0.122                       
REMARK 500 10 TRP A  12   CG    TRP A  12   CD2    -0.121                       
REMARK 500 11 TRP A  12   CG    TRP A  12   CD2    -0.120                       
REMARK 500 12 TRP A  12   CG    TRP A  12   CD2    -0.122                       
REMARK 500 13 TRP A  12   CG    TRP A  12   CD2    -0.122                       
REMARK 500 14 TRP A  12   CG    TRP A  12   CD2    -0.120                       
REMARK 500 15 TRP A  12   CG    TRP A  12   CD2    -0.120                       
REMARK 500 16 TRP A  12   CG    TRP A  12   CD2    -0.121                       
REMARK 500 17 TRP A  12   CG    TRP A  12   CD2    -0.118                       
REMARK 500 18 TRP A  12   CG    TRP A  12   CD2    -0.121                       
REMARK 500 19 TRP A  12   CG    TRP A  12   CD2    -0.121                       
REMARK 500 20 TRP A  12   CG    TRP A  12   CD2    -0.120                       
REMARK 500 21 TRP A  12   CG    TRP A  12   CD2    -0.123                       
REMARK 500 22 TRP A  12   CG    TRP A  12   CD2    -0.121                       
REMARK 500 23 TRP A  12   CG    TRP A  12   CD2    -0.121                       
REMARK 500 24 TRP A  12   CG    TRP A  12   CD2    -0.122                       
REMARK 500 25 TRP A  12   CG    TRP A  12   CD2    -0.122                       
REMARK 500 26 TRP A  12   CG    TRP A  12   CD2    -0.122                       
REMARK 500 27 TRP A  12   CG    TRP A  12   CD2    -0.120                       
REMARK 500 28 TRP A  12   CG    TRP A  12   CD2    -0.122                       
REMARK 500 29 TRP A  12   CG    TRP A  12   CD2    -0.120                       
REMARK 500 30 TRP A  12   CG    TRP A  12   CD2    -0.120                       
REMARK 500 31 TRP A  12   CG    TRP A  12   CD2    -0.124                       
REMARK 500 32 TRP A  12   CG    TRP A  12   CD2    -0.121                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500  1 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.6 DEGREES          
REMARK 500  1 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.2 DEGREES          
REMARK 500  1 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500  2 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500  2 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.8 DEGREES          
REMARK 500  2 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.3 DEGREES          
REMARK 500  2 TRP A  12   CG  -  CD2 -  CE3 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500  3 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.6 DEGREES          
REMARK 500  3 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.4 DEGREES          
REMARK 500  3 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500  4 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500  4 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.6 DEGREES          
REMARK 500  4 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500  5 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500  5 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.4 DEGREES          
REMARK 500  5 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.1 DEGREES          
REMARK 500  6 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.6 DEGREES          
REMARK 500  6 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.1 DEGREES          
REMARK 500  6 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500  7 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.6 DEGREES          
REMARK 500  7 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.3 DEGREES          
REMARK 500  7 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500  8 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500  8 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.6 DEGREES          
REMARK 500  8 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500  9 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.8 DEGREES          
REMARK 500  9 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.3 DEGREES          
REMARK 500  9 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.1 DEGREES          
REMARK 500 10 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500 10 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.3 DEGREES          
REMARK 500 10 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500 11 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500 11 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.0 DEGREES          
REMARK 500 11 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500 12 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500 12 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.3 DEGREES          
REMARK 500 12 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.1 DEGREES          
REMARK 500 13 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.6 DEGREES          
REMARK 500 13 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.4 DEGREES          
REMARK 500 13 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500 14 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500 14 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.2 DEGREES          
REMARK 500 14 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500 15 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.6 DEGREES          
REMARK 500 15 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   8.9 DEGREES          
REMARK 500 15 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500 16 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500 16 TRP A  12   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.4 DEGREES          
REMARK 500 16 TRP A  12   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.1 DEGREES          
REMARK 500 17 TRP A  12   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.6 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      97 ANGLE DEVIATIONS.                             
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500  1 ALA A   2       48.89   -149.54                                   
REMARK 500  1 THR A   6      -66.04   -108.17                                   
REMARK 500  1 LYS A   7      153.09    -45.87                                   
REMARK 500  1 ASN A   9      -78.18     55.98                                   
REMARK 500  1 GLU A  10       95.99    -42.06                                   
REMARK 500  1 GLU A  19     -144.71   -165.30                                   
REMARK 500  1 THR A  30     -157.34    -56.54                                   
REMARK 500  1 ARG A  31       41.46    -74.46                                   
REMARK 500  1 LYS A  56      162.12    -44.07                                   
REMARK 500  1 PRO A  61     -172.27    -55.01                                   
REMARK 500  2 ALA A   2       50.43    -90.63                                   
REMARK 500  2 THR A   6      -99.08    -73.35                                   
REMARK 500  2 ASN A   9      -17.09     60.71                                   
REMARK 500  2 GLU A  19     -144.52   -165.30                                   
REMARK 500  2 ALA A  23      -10.27   -140.98                                   
REMARK 500  2 THR A  30     -160.14    -56.75                                   
REMARK 500  2 ARG A  31       41.28    -74.95                                   
REMARK 500  2 ARG A  37      159.82    179.94                                   
REMARK 500  2 GLU A  39     -168.15   -175.29                                   
REMARK 500  2 SER A  43       -8.16    -55.61                                   
REMARK 500  3 THR A   6      -79.78   -101.50                                   
REMARK 500  3 ASN A   9      -80.64     54.69                                   
REMARK 500  3 GLU A  10      100.20    -42.60                                   
REMARK 500  3 GLU A  19     -144.74   -160.15                                   
REMARK 500  3 THR A  30     -150.26   -137.65                                   
REMARK 500  3 ARG A  31       39.05    -74.07                                   
REMARK 500  3 GLU A  32       62.31   -117.70                                   
REMARK 500  4 ASN A   9       -4.43     56.84                                   
REMARK 500  4 GLU A  19     -155.94   -165.04                                   
REMARK 500  4 ALA A  23       -8.31   -143.13                                   
REMARK 500  4 THR A  30     -152.99    -75.35                                   
REMARK 500  4 ARG A  31       39.11    -74.58                                   
REMARK 500  4 LYS A  34      152.74    -45.16                                   
REMARK 500  4 GLU A  39     -167.54   -172.07                                   
REMARK 500  4 SER A  43       -5.33    -58.71                                   
REMARK 500  4 PRO A  61     -176.25    -55.74                                   
REMARK 500  5 GLU A   3       92.65    -46.31                                   
REMARK 500  5 THR A   6      -72.12    -93.30                                   
REMARK 500  5 PRO A   8     -176.05    -60.42                                   
REMARK 500  5 ASN A   9      -77.27     57.92                                   
REMARK 500  5 GLU A  10      103.24    -49.84                                   
REMARK 500  5 GLU A  19     -144.02   -150.85                                   
REMARK 500  5 THR A  30     -151.71   -130.85                                   
REMARK 500  5 ARG A  31       39.06    -74.31                                   
REMARK 500  5 LYS A  34      157.50    -45.59                                   
REMARK 500  5 SER A  43        0.08    -60.17                                   
REMARK 500  5 GLN A  51       22.94    -78.75                                   
REMARK 500  5 LYS A  56      159.50    -47.93                                   
REMARK 500  5 PRO A  61      179.29    -56.16                                   
REMARK 500  6 ALA A   2       84.70   -170.61                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     337 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500  1 ARG A  31         0.25    SIDE CHAIN                              
REMARK 500  1 ARG A  37         0.28    SIDE CHAIN                              
REMARK 500  1 ARG A  48         0.24    SIDE CHAIN                              
REMARK 500  2 ARG A  31         0.32    SIDE CHAIN                              
REMARK 500  2 ARG A  37         0.11    SIDE CHAIN                              
REMARK 500  2 ARG A  48         0.32    SIDE CHAIN                              
REMARK 500  3 ARG A  31         0.32    SIDE CHAIN                              
REMARK 500  3 ARG A  37         0.28    SIDE CHAIN                              
REMARK 500  3 ARG A  48         0.13    SIDE CHAIN                              
REMARK 500  4 ARG A  31         0.31    SIDE CHAIN                              
REMARK 500  4 ARG A  37         0.29    SIDE CHAIN                              
REMARK 500  4 ARG A  48         0.29    SIDE CHAIN                              
REMARK 500  5 ARG A  31         0.32    SIDE CHAIN                              
REMARK 500  5 ARG A  37         0.24    SIDE CHAIN                              
REMARK 500  5 ARG A  48         0.27    SIDE CHAIN                              
REMARK 500  6 ARG A  31         0.28    SIDE CHAIN                              
REMARK 500  6 ARG A  37         0.28    SIDE CHAIN                              
REMARK 500  6 ARG A  48         0.29    SIDE CHAIN                              
REMARK 500  7 ARG A  31         0.24    SIDE CHAIN                              
REMARK 500  7 ARG A  48         0.11    SIDE CHAIN                              
REMARK 500  8 ARG A  31         0.22    SIDE CHAIN                              
REMARK 500  8 ARG A  37         0.25    SIDE CHAIN                              
REMARK 500  8 ARG A  48         0.22    SIDE CHAIN                              
REMARK 500  9 ARG A  31         0.29    SIDE CHAIN                              
REMARK 500  9 ARG A  37         0.30    SIDE CHAIN                              
REMARK 500  9 ARG A  48         0.21    SIDE CHAIN                              
REMARK 500 10 ARG A  31         0.29    SIDE CHAIN                              
REMARK 500 10 ARG A  37         0.26    SIDE CHAIN                              
REMARK 500 10 ARG A  48         0.24    SIDE CHAIN                              
REMARK 500 11 ARG A  31         0.31    SIDE CHAIN                              
REMARK 500 11 ARG A  37         0.31    SIDE CHAIN                              
REMARK 500 12 ARG A  31         0.11    SIDE CHAIN                              
REMARK 500 12 ARG A  37         0.32    SIDE CHAIN                              
REMARK 500 12 ARG A  48         0.32    SIDE CHAIN                              
REMARK 500 13 ARG A  31         0.26    SIDE CHAIN                              
REMARK 500 13 ARG A  37         0.18    SIDE CHAIN                              
REMARK 500 13 ARG A  48         0.31    SIDE CHAIN                              
REMARK 500 14 ARG A  31         0.14    SIDE CHAIN                              
REMARK 500 14 ARG A  37         0.23    SIDE CHAIN                              
REMARK 500 14 ARG A  48         0.21    SIDE CHAIN                              
REMARK 500 15 ARG A  31         0.30    SIDE CHAIN                              
REMARK 500 15 ARG A  37         0.13    SIDE CHAIN                              
REMARK 500 15 ARG A  48         0.17    SIDE CHAIN                              
REMARK 500 16 ARG A  31         0.12    SIDE CHAIN                              
REMARK 500 16 ARG A  37         0.27    SIDE CHAIN                              
REMARK 500 16 ARG A  48         0.30    SIDE CHAIN                              
REMARK 500 17 ARG A  31         0.16    SIDE CHAIN                              
REMARK 500 17 ARG A  37         0.28    SIDE CHAIN                              
REMARK 500 17 ARG A  48         0.20    SIDE CHAIN                              
REMARK 500 18 ARG A  31         0.32    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      92 PLANE DEVIATIONS.                             
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1ATB   RELATED DB: PDB                                   
DBREF  1ATE A    1    62  UNP    P19398   ITR1_ASCSU       1     62             
SEQRES   1 A   62  GLU ALA GLU LYS CYS THR LYS PRO ASN GLU GLN TRP THR          
SEQRES   2 A   62  LYS CYS GLY GLY CYS GLU GLY THR CYS ALA GLN LYS ILE          
SEQRES   3 A   62  VAL PRO CYS THR ARG GLU CYS LYS PRO PRO ARG CYS GLU          
SEQRES   4 A   62  CYS ILE ALA SER ALA GLY PHE VAL ARG ASP ALA GLN GLY          
SEQRES   5 A   62  ASN CYS ILE LYS PHE GLU ASP CYS PRO LYS                      
SHEET    1   A 2 GLN A  11  THR A  13  0                                        
SHEET    2   A 2 ARG A  37  GLU A  39 -1  N  ARG A  37   O  THR A  13           
SHEET    1   B 2 PHE A  46  ASP A  49  0                                        
SHEET    2   B 2 ASN A  53  LYS A  56 -1  O  ASN A  53   N  ASP A  49           
SSBOND   1 CYS A    5    CYS A   38                          1555   1555  2.02  
SSBOND   2 CYS A   15    CYS A   33                          1555   1555  2.02  
SSBOND   3 CYS A   18    CYS A   29                          1555   1555  2.02  
SSBOND   4 CYS A   22    CYS A   60                          1555   1555  2.02  
SSBOND   5 CYS A   40    CYS A   54                          1555   1555  2.02  
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1