HEADER    ENDONUCLEASE                            28-MAY-97   1AK0              
TITLE     P1 NUCLEASE IN COMPLEX WITH A SUBSTRATE ANALOG                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: P1 NUCLEASE;                                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.1.30.1                                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PENICILLIUM CITRINUM;                           
SOURCE   3 ORGANISM_TAXID: 5077                                                 
KEYWDS    ENDONUCLEASE, P1 NUCLEASE, REACTION MECHANISM, THIOPHOSPHORYLATED     
KEYWDS   2 OLIGONUCLEOTIDES, GLYCOSYLATED PROTEIN                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.ROMIER,D.SUCK                                                       
REVDAT   5   23-OCT-24 1AK0    1       HETSYN                                   
REVDAT   4   29-JUL-20 1AK0    1       COMPND REMARK HETNAM LINK                
REVDAT   4 2                   1       SITE   ATOM                              
REVDAT   3   13-JUL-11 1AK0    1       VERSN                                    
REVDAT   2   24-FEB-09 1AK0    1       VERSN                                    
REVDAT   1   03-DEC-97 1AK0    0                                                
JRNL        AUTH   C.ROMIER,R.DOMINGUEZ,A.LAHM,O.DAHL,D.SUCK                    
JRNL        TITL   RECOGNITION OF SINGLE-STRANDED DNA BY NUCLEASE P1: HIGH      
JRNL        TITL 2 RESOLUTION CRYSTAL STRUCTURES OF COMPLEXES WITH SUBSTRATE    
JRNL        TITL 3 ANALOGS.                                                     
JRNL        REF    PROTEINS                      V.  32   414 1998              
JRNL        REFN                   ISSN 0887-3585                               
JRNL        PMID   9726413                                                      
JRNL        DOI    10.1002/(SICI)1097-0134(19980901)32:4<414::AID-PROT2>3.3.CO; 
JRNL        DOI  2 2-5                                                          
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   A.VOLBEDA,A.LAHM,F.SAKIYAMA,D.SUCK                           
REMARK   1  TITL   CRYSTAL STRUCTURE OF PENICILLIUM CITRINUM P1 NUCLEASE AT 2.8 
REMARK   1  TITL 2 A RESOLUTION                                                 
REMARK   1  REF    EMBO J.                       V.  10  1607 1991              
REMARK   1  REFN                   ISSN 0261-4189                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 10000000.000                   
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0010                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 89.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 27019                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.207                           
REMARK   3   FREE R VALUE                     : 0.235                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2021                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 138                                     
REMARK   3   SOLVENT ATOMS            : 154                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 8.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.011                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.700                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.500 ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.000 ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.000 ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.500 ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PARHCSDX.PRO                                   
REMARK   3  PARAMETER FILE  2  : PARAM3.CHO                                     
REMARK   3  PARAMETER FILE  3  : PARNAH1E.DNA                                   
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : TOPH3.CHO                                      
REMARK   3  TOPOLOGY FILE  3   : TOPNAH1E.DNA                                   
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1AK0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000170911.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : JAN-94                             
REMARK 200  TEMPERATURE           (KELVIN) : 293                                
REMARK 200  PH                             : 5.3                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : ENRAF-NONIUS                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE(002)                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 27854                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 15.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.2                               
REMARK 200  DATA REDUNDANCY                : 4.300                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
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) : 1.95                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 89.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.24700                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.65                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.71                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 6000 12 - 20% 25 MM NA ACETATE PH    
REMARK 280  5.3                                                                 
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       20.99000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       51.06500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       37.02000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       51.06500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       20.99000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       37.02000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
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, 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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     GLY A   265                                                      
REMARK 465     SER A   266                                                      
REMARK 465     GLU A   267                                                      
REMARK 465     ILE A   268                                                      
REMARK 465     ALA A   269                                                      
REMARK 465     LYS A   270                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O7   NAG A   287     O    HOH A   552              2.19            
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    GLU A 105   CB  -  CA  -  C   ANGL. DEV. =  13.2 DEGREES          
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    ASP A  66     -158.88   -110.16                                   
REMARK 500    TYR A 130      125.45    -37.70                                   
REMARK 500    ASP A 146     -169.64   -112.59                                   
REMARK 500    THR A 154      -58.80   -122.14                                   
REMARK 500    SER A 182       58.71   -149.34                                   
REMARK 500    GLU A 200       55.30   -145.62                                   
REMARK 500    GLN A 229       36.12    -99.08                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     ADS A  292                                                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 273  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 TRP A   1   O                                                      
REMARK 620 2 TRP A   1   N    72.5                                              
REMARK 620 3 HIS A   6   NE2  99.8 113.2                                        
REMARK 620 4 ASP A 120   OD1 166.3  94.0  87.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 274  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  15   NE2                                                    
REMARK 620 2 GLU A 181   CD  104.9                                              
REMARK 620 3 GLU A 181   OE2  87.5  30.9                                        
REMARK 620 4 GLU A 181   OE1 104.8  29.5  58.3                                  
REMARK 620 5 HIS A 223   ND1 106.9 104.4  85.7 130.2                            
REMARK 620 6 HOH A 539   O    96.5 131.5 161.5 103.2 110.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 271  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  45   OD1                                                    
REMARK 620 2 HIS A  60   ND1  80.7                                              
REMARK 620 3 HIS A 116   NE2  75.0 101.4                                        
REMARK 620 4 ASP A 120   OD2 172.6 103.5  98.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 272  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 126   NE2                                                    
REMARK 620 2 HIS A 149   NE2  95.3                                              
REMARK 620 3 ASP A 153   OD2 143.9  96.0                                        
REMARK 620 4 ASP A 153   OD1  93.9  92.2  51.5                                  
REMARK 620 5 THS A 295   O3' 111.2 100.2 100.3 150.6                            
REMARK 620 N                    1     2     3     4                             
DBREF  1AK0 A    1   270  UNP    P24289   NUP1_PENCI       1    270             
SEQRES   1 A  270  TRP GLY ALA LEU GLY HIS ALA THR VAL ALA TYR VAL ALA          
SEQRES   2 A  270  GLN HIS TYR VAL SER PRO GLU ALA ALA SER TRP ALA GLN          
SEQRES   3 A  270  GLY ILE LEU GLY SER SER SER SER SER TYR LEU ALA SER          
SEQRES   4 A  270  ILE ALA SER TRP ALA ASP GLU TYR ARG LEU THR SER ALA          
SEQRES   5 A  270  GLY LYS TRP SER ALA SER LEU HIS PHE ILE ASP ALA GLU          
SEQRES   6 A  270  ASP ASN PRO PRO THR ASN CYS ASN VAL ASP TYR GLU ARG          
SEQRES   7 A  270  ASP CYS GLY SER SER GLY CYS SER ILE SER ALA ILE ALA          
SEQRES   8 A  270  ASN TYR THR GLN ARG VAL SER ASP SER SER LEU SER SER          
SEQRES   9 A  270  GLU ASN HIS ALA GLU ALA LEU ARG PHE LEU VAL HIS PHE          
SEQRES  10 A  270  ILE GLY ASP MET THR GLN PRO LEU HIS ASP GLU ALA TYR          
SEQRES  11 A  270  ALA VAL GLY GLY ASN LYS ILE ASN VAL THR PHE ASP GLY          
SEQRES  12 A  270  TYR HIS ASP ASN LEU HIS SER ASP TRP ASP THR TYR MET          
SEQRES  13 A  270  PRO GLN LYS LEU ILE GLY GLY HIS ALA LEU SER ASP ALA          
SEQRES  14 A  270  GLU SER TRP ALA LYS THR LEU VAL GLN ASN ILE GLU SER          
SEQRES  15 A  270  GLY ASN TYR THR ALA GLN ALA ILE GLY TRP ILE LYS GLY          
SEQRES  16 A  270  ASP ASN ILE SER GLU PRO ILE THR THR ALA THR ARG TRP          
SEQRES  17 A  270  ALA SER ASP ALA ASN ALA LEU VAL CYS THR VAL VAL MET          
SEQRES  18 A  270  PRO HIS GLY ALA ALA ALA LEU GLN THR GLY ASP LEU TYR          
SEQRES  19 A  270  PRO THR TYR TYR ASP SER VAL ILE ASP THR ILE GLU LEU          
SEQRES  20 A  270  GLN ILE ALA LYS GLY GLY TYR ARG LEU ALA ASN TRP ILE          
SEQRES  21 A  270  ASN GLU ILE HIS GLY SER GLU ILE ALA LYS                      
MODRES 1AK0 ASN A   92  ASN  GLYCOSYLATION SITE                                 
MODRES 1AK0 ASN A  197  ASN  GLYCOSYLATION SITE                                 
MODRES 1AK0 ASN A  138  ASN  GLYCOSYLATION SITE                                 
HET    NAG  B   1      14                                                       
HET    NAG  B   2      14                                                       
HET    NAG  A 285      14                                                       
HET    NAG  A 287      14                                                       
HET     ZN  A 271       1                                                       
HET     ZN  A 272       1                                                       
HET     ZN  A 273       1                                                       
HET     ZN  A 274       1                                                       
HET    ADS  A 292      18                                                       
HET    THS  A 293      20                                                       
HET    THS  A 294      20                                                       
HET    THS  A 295      20                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETNAM      ZN ZINC ION                                                         
HETNAM     ADS ADENOSINE-5'-(DITHIO)PHOSPHATE                                   
HETNAM     THS THYMIDINE-5'-(DITHIO)PHOSPHATE                                   
HETSYN     NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA-           
HETSYN   2 NAG  D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO-          
HETSYN   3 NAG  2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE                         
FORMUL   2  NAG    4(C8 H15 N O6)                                               
FORMUL   5   ZN    4(ZN 2+)                                                     
FORMUL   9  ADS    C10 H14 N5 O5 P S2                                           
FORMUL  10  THS    3(C10 H15 N2 O6 P S2)                                        
FORMUL  13  HOH   *154(H2 O)                                                    
HELIX    1   1 ALA A    3  TYR A   16  1                                  14    
HELIX    2   2 PRO A   19  LEU A   29  1                                  11    
HELIX    3   3 ALA A   38  ILE A   40  5                                   3    
HELIX    4   4 TRP A   43  LEU A   49  1                                   7    
HELIX    5   5 LYS A   54  HIS A   60  5                                   7    
HELIX    6   6 TYR A   76  ASP A   79  1                                   4    
HELIX    7   7 SER A   86  VAL A   97  1                                  12    
HELIX    8   8 SER A  104  THR A  122  1                                  19    
HELIX    9   9 PRO A  124  ASP A  127  5                                   4    
HELIX   10  10 TYR A  130  GLY A  133  1                                   4    
HELIX   11  11 LEU A  148  ASP A  153  1                                   6    
HELIX   12  12 TYR A  155  ILE A  161  1                                   7    
HELIX   13  13 LEU A  166  SER A  182  1                                  17    
HELIX   14  14 THR A  186  TRP A  192  1                                   7    
HELIX   15  15 ILE A  198  THR A  218  5                                  21    
HELIX   16  16 ALA A  226  LEU A  228  5                                   3    
HELIX   17  17 THR A  236  GLU A  262  1                                  27    
SHEET    1   A 2 ASN A 138  PHE A 141  0                                        
SHEET    2   A 2 TYR A 144  ASN A 147 -1  N  ASP A 146   O  VAL A 139           
SSBOND   1 CYS A   72    CYS A  217                          1555   1555  2.03  
SSBOND   2 CYS A   80    CYS A   85                          1555   1555  2.05  
LINK         ND2 ASN A  92                 C1  NAG B   1     1555   1555  1.46  
LINK         ND2 ASN A 138                 C1  NAG A 287     1555   1555  1.45  
LINK         ND2 ASN A 197                 C1  NAG A 285     1555   1555  1.47  
LINK         O3' ADS A 292                 P   THS A 293     1555   1555  1.64  
LINK         O3' THS A 293                 P   THS A 294     1555   1555  1.67  
LINK         O3' THS A 294                 P   THS A 295     1555   1555  1.64  
LINK         O4  NAG B   1                 C1  NAG B   2     1555   1555  1.39  
LINK         O   TRP A   1                ZN    ZN A 273     1555   1555  2.00  
LINK         N   TRP A   1                ZN    ZN A 273     1555   1555  2.53  
LINK         NE2 HIS A   6                ZN    ZN A 273     1555   1555  2.27  
LINK         NE2 HIS A  15                ZN    ZN A 274     1555   1555  2.22  
LINK         OD1 ASP A  45                ZN    ZN A 271     1555   1555  2.77  
LINK         ND1 HIS A  60                ZN    ZN A 271     1555   1555  2.31  
LINK         NE2 HIS A 116                ZN    ZN A 271     1555   1555  2.29  
LINK         OD2 ASP A 120                ZN    ZN A 271     1555   1555  2.01  
LINK         OD1 ASP A 120                ZN    ZN A 273     1555   1555  1.98  
LINK         NE2 HIS A 126                ZN    ZN A 272     1555   1555  2.32  
LINK         NE2 HIS A 149                ZN    ZN A 272     1555   1555  2.31  
LINK         OD2 ASP A 153                ZN    ZN A 272     1555   1555  1.97  
LINK         OD1 ASP A 153                ZN    ZN A 272     1555   1555  2.78  
LINK         CD  GLU A 181                ZN    ZN A 274     1555   1555  2.36  
LINK         OE2 GLU A 181                ZN    ZN A 274     1555   1555  1.81  
LINK         OE1 GLU A 181                ZN    ZN A 274     1555   1555  2.49  
LINK         ND1 HIS A 223                ZN    ZN A 274     3655   1555  2.22  
LINK        ZN    ZN A 272                 O3' THS A 295     1555   1555  2.02  
LINK        ZN    ZN A 274                 O   HOH A 539     1555   1555  2.02  
CISPEP   1 PRO A   68    PRO A   69          0         0.35                     
CISPEP   2 TYR A  234    PRO A  235          0        -4.87                     
CRYST1   41.980   74.040  102.130  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.023821  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013506  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009791        0.00000