HEADER    HYDROLASE                               20-SEP-05   2B3L              
TITLE     CRYSTAL STRUCTURE OF TYPE I HUMAN METHIONINE AMINOPEPTIDASE IN THE APO
TITLE    2 FORM                                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: METHIONINE AMINOPEPTIDASE 1;                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 81-384;                                           
COMPND   5 SYNONYM: METAP 1, MAP 1, PEPTIDASE M 1;                              
COMPND   6 EC: 3.4.11.18;                                                       
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: METAP1, KIAA0094;                                              
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET15B                                    
KEYWDS    METHIONINE AMINOPEPTIDASE, HUMAN, HYDROLASE, METALLOPROTEASE,         
KEYWDS   2 PITABREAD FOLD                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.ADDLAGATTA,X.HU,J.O.LIU,B.W.MATTHEWS                                
REVDAT   5   23-AUG-23 2B3L    1       REMARK SEQADV LINK                       
REVDAT   4   11-OCT-17 2B3L    1       REMARK                                   
REVDAT   3   13-JUL-11 2B3L    1       VERSN                                    
REVDAT   2   24-FEB-09 2B3L    1       VERSN                                    
REVDAT   1   22-NOV-05 2B3L    0                                                
JRNL        AUTH   A.ADDLAGATTA,X.HU,J.O.LIU,B.W.MATTHEWS                       
JRNL        TITL   STRUCTURAL BASIS FOR THE FUNCTIONAL DIFFERENCES BETWEEN TYPE 
JRNL        TITL 2 I AND TYPE II HUMAN METHIONINE AMINOPEPTIDASES(,).           
JRNL        REF    BIOCHEMISTRY                  V.  44 14741 2005              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   16274222                                                     
JRNL        DOI    10.1021/BI051691K                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELX                                                
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   CROSS-VALIDATION METHOD           : NULL                           
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.122                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.111                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.180                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 2536                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 51841                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : NULL                   
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 2402                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 17                                            
REMARK   3   SOLVENT ATOMS      : 486                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : NULL                    
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : NULL                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL                    
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : NULL                    
REMARK   3   NUMBER OF RESTRAINTS                     : NULL                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : NULL                    
REMARK   3   ANGLE DISTANCES                      (A) : NULL                    
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL                    
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : NULL                    
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : NULL                    
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : NULL                    
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : NULL                    
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : NULL                    
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : NULL                    
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : NULL                    
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER                        
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2B3L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-OCT-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000034631.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 06-JUL-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.2.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.00                               
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL SI(111)             
REMARK 200  OPTICS                         : DOUBLE CRYSTAL SI(111)             
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 51841                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.1                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.03100                            
REMARK 200  R SYM                      (I) : NULL                               
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) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.55                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 83.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.12800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1YJ3                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.23                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 2000, POTASSIUM CHLORIDE, HEPES,     
REMARK 280  SODIUM CHLORIDE, PH 6.0, VAPOR DIFFUSION, HANGING DROP,             
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       38.63800            
REMARK 290   SMTRY3   2  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                                     
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     MET A    65                                                      
REMARK 465     GLY A    66                                                      
REMARK 465     SER A    67                                                      
REMARK 465     SER A    68                                                      
REMARK 465     HIS A    69                                                      
REMARK 465     HIS A    70                                                      
REMARK 465     HIS A    71                                                      
REMARK 465     HIS A    72                                                      
REMARK 465     HIS A    73                                                      
REMARK 465     HIS A    74                                                      
REMARK 465     SER A    75                                                      
REMARK 465     SER A    76                                                      
REMARK 465     GLY A    77                                                      
REMARK 465     LEU A    78                                                      
REMARK 465     VAL A    79                                                      
REMARK 465     PRO A    80                                                      
REMARK 465     ARG A    81                                                      
REMARK 465     GLY A    82                                                      
REMARK 465     SER A    83                                                      
REMARK 465     HIS A    84                                                      
REMARK 465     MET A    85                                                      
REMARK 465     LEU A    86                                                      
REMARK 465     GLU A    87                                                      
REMARK 465     ASP A    88                                                      
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    TYR A 100   CB  -  CG  -  CD1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG A 114   NE  -  CZ  -  NH1 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500    ARG A 217   NE  -  CZ  -  NH1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500    ASP A 224   CB  -  CG  -  OD1 ANGL. DEV. =   5.9 DEGREES          
REMARK 500    ARG A 234   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    ASP A 240   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP A 270   CB  -  CG  -  OD1 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    ARG A 277   CD  -  NE  -  CZ  ANGL. DEV. =  10.5 DEGREES          
REMARK 500    ARG A 277   NE  -  CZ  -  NH1 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    ARG A 277   NE  -  CZ  -  NH1 ANGL. DEV. =   4.5 DEGREES          
REMARK 500    ARG A 277   NE  -  CZ  -  NH2 ANGL. DEV. =   5.1 DEGREES          
REMARK 500    ARG A 279   NE  -  CZ  -  NH2 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ARG A 298   NE  -  CZ  -  NH2 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    CYS A 377   CA  -  CB  -  SG  ANGL. DEV. =  10.4 DEGREES          
REMARK 500    ARG A 388   CD  -  NE  -  CZ  ANGL. DEV. =  17.5 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    ASN A 207     -111.14     51.96                                   
REMARK 500    HIS A 306     -105.81   -173.01                                   
REMARK 500    GLU A 336       55.91   -156.39                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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                               K A 403   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER A 205   O                                                      
REMARK 620 2 ASN A 207   O   125.7                                              
REMARK 620 3 ASN A 207   N    73.3  55.4                                        
REMARK 620 4 VAL A 209   O    97.0  84.8 108.7                                  
REMARK 620 5 SER A 363   O   148.1  73.1 109.1 111.3                            
REMARK 620 6 HOH A 665   O    88.6 145.7 155.0  90.1  77.4                      
REMARK 620 7 HOH A 768   O    73.5 126.6  98.7 147.2  74.7  58.9                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 403                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 470                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 471                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY A 472                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2B3H   RELATED DB: PDB                                   
REMARK 900 TRIMETALLO FORM                                                      
REMARK 900 RELATED ID: 2B3K   RELATED DB: PDB                                   
REMARK 900 HOLO FORM                                                            
DBREF  2B3L A   90   393  UNP    P53582   AMPM1_HUMAN     81    384             
SEQADV 2B3L MET A   65  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L GLY A   66  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L SER A   67  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L SER A   68  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L HIS A   69  UNP  P53582              EXPRESSION TAG                 
SEQADV 2B3L HIS A   70  UNP  P53582              EXPRESSION TAG                 
SEQADV 2B3L HIS A   71  UNP  P53582              EXPRESSION TAG                 
SEQADV 2B3L HIS A   72  UNP  P53582              EXPRESSION TAG                 
SEQADV 2B3L HIS A   73  UNP  P53582              EXPRESSION TAG                 
SEQADV 2B3L HIS A   74  UNP  P53582              EXPRESSION TAG                 
SEQADV 2B3L SER A   75  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L SER A   76  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L GLY A   77  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L LEU A   78  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L VAL A   79  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L PRO A   80  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L ARG A   81  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L GLY A   82  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L SER A   83  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L HIS A   84  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L MET A   85  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L LEU A   86  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L GLU A   87  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L ASP A   88  UNP  P53582              CLONING ARTIFACT               
SEQADV 2B3L PRO A   89  UNP  P53582              CLONING ARTIFACT               
SEQRES   1 A  329  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  329  LEU VAL PRO ARG GLY SER HIS MET LEU GLU ASP PRO TYR          
SEQRES   3 A  329  ARG TYR THR GLY LYS LEU ARG PRO HIS TYR PRO LEU MET          
SEQRES   4 A  329  PRO THR ARG PRO VAL PRO SER TYR ILE GLN ARG PRO ASP          
SEQRES   5 A  329  TYR ALA ASP HIS PRO LEU GLY MET SER GLU SER GLU GLN          
SEQRES   6 A  329  ALA LEU LYS GLY THR SER GLN ILE LYS LEU LEU SER SER          
SEQRES   7 A  329  GLU ASP ILE GLU GLY MET ARG LEU VAL CYS ARG LEU ALA          
SEQRES   8 A  329  ARG GLU VAL LEU ASP VAL ALA ALA GLY MET ILE LYS PRO          
SEQRES   9 A  329  GLY VAL THR THR GLU GLU ILE ASP HIS ALA VAL HIS LEU          
SEQRES  10 A  329  ALA CYS ILE ALA ARG ASN CYS TYR PRO SER PRO LEU ASN          
SEQRES  11 A  329  TYR TYR ASN PHE PRO LYS SER CYS CYS THR SER VAL ASN          
SEQRES  12 A  329  GLU VAL ILE CYS HIS GLY ILE PRO ASP ARG ARG PRO LEU          
SEQRES  13 A  329  GLN GLU GLY ASP ILE VAL ASN VAL ASP ILE THR LEU TYR          
SEQRES  14 A  329  ARG ASN GLY TYR HIS GLY ASP LEU ASN GLU THR PHE PHE          
SEQRES  15 A  329  VAL GLY GLU VAL ASP ASP GLY ALA ARG LYS LEU VAL GLN          
SEQRES  16 A  329  THR THR TYR GLU CYS LEU MET GLN ALA ILE ASP ALA VAL          
SEQRES  17 A  329  LYS PRO GLY VAL ARG TYR ARG GLU LEU GLY ASN ILE ILE          
SEQRES  18 A  329  GLN LYS HIS ALA GLN ALA ASN GLY PHE SER VAL VAL ARG          
SEQRES  19 A  329  SER TYR CYS GLY HIS GLY ILE HIS LYS LEU PHE HIS THR          
SEQRES  20 A  329  ALA PRO ASN VAL PRO HIS TYR ALA LYS ASN LYS ALA VAL          
SEQRES  21 A  329  GLY VAL MET LYS SER GLY HIS VAL PHE THR ILE GLU PRO          
SEQRES  22 A  329  MET ILE CYS GLU GLY GLY TRP GLN ASP GLU THR TRP PRO          
SEQRES  23 A  329  ASP GLY TRP THR ALA VAL THR ARG ASP GLY LYS ARG SER          
SEQRES  24 A  329  ALA GLN PHE GLU HIS THR LEU LEU VAL THR ASP THR GLY          
SEQRES  25 A  329  CYS GLU ILE LEU THR ARG ARG LEU ASP SER ALA ARG PRO          
SEQRES  26 A  329  HIS PHE MET SER                                              
HET      K  A 403       1                                                       
HET    GOL  A 470       6                                                       
HET    GOL  A 471       6                                                       
HET    ACY  A 472       4                                                       
HETNAM       K POTASSIUM ION                                                    
HETNAM     GOL GLYCEROL                                                         
HETNAM     ACY ACETIC ACID                                                      
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2    K    K 1+                                                         
FORMUL   3  GOL    2(C3 H8 O3)                                                  
FORMUL   5  ACY    C2 H4 O2                                                     
FORMUL   6  HOH   *486(H2 O)                                                    
HELIX    1   1 PRO A  115  HIS A  120  5                                   6    
HELIX    2   2 SER A  125  LEU A  131  1                                   7    
HELIX    3   3 SER A  141  GLY A  164  1                                  24    
HELIX    4   4 THR A  171  ARG A  186  1                                  16    
HELIX    5   5 ASN A  194  PHE A  198  5                                   5    
HELIX    6   6 ASP A  251  VAL A  272  1                                  22    
HELIX    7   7 ARG A  279  ASN A  292  1                                  14    
HELIX    8   8 PRO A  389  SER A  393  5                                   5    
SHEET    1   A 3 TYR A 189  PRO A 190  0                                        
SHEET    2   A 3 ILE A 225  ARG A 234 -1  O  TYR A 233   N  TYR A 189           
SHEET    3   A 3 CYS A 203  VAL A 206 -1  N  SER A 205   O  ASN A 227           
SHEET    1   B 3 TYR A 189  PRO A 190  0                                        
SHEET    2   B 3 ILE A 225  ARG A 234 -1  O  TYR A 233   N  TYR A 189           
SHEET    3   B 3 TYR A 237  PHE A 246 -1  O  LEU A 241   N  ILE A 230           
SHEET    1   C 3 VAL A 209  CYS A 211  0                                        
SHEET    2   C 3 ALA A 355  THR A 357 -1  O  ALA A 355   N  ILE A 210           
SHEET    3   C 3 ASP A 346  THR A 348 -1  N  GLU A 347   O  VAL A 356           
SHEET    1   D 3 SER A 295  VAL A 296  0                                        
SHEET    2   D 3 MET A 338  CYS A 340 -1  O  CYS A 340   N  SER A 295           
SHEET    3   D 3 SER A 363  GLN A 365 -1  O  ALA A 364   N  ILE A 339           
SHEET    1   E 2 GLY A 302  GLY A 304  0                                        
SHEET    2   E 2 THR A 311  VAL A 315 -1  O  VAL A 315   N  GLY A 302           
SHEET    1   F 3 VAL A 332  ILE A 335  0                                        
SHEET    2   F 3 HIS A 368  VAL A 372 -1  O  LEU A 370   N  PHE A 333           
SHEET    3   F 3 CYS A 377  ILE A 379 -1  O  GLU A 378   N  LEU A 371           
LINK         O   SER A 205                 K     K A 403     1555   1555  3.23  
LINK         O   ASN A 207                 K     K A 403     1555   1555  2.91  
LINK         N   ASN A 207                 K     K A 403     1555   1555  3.54  
LINK         O   VAL A 209                 K     K A 403     1555   1555  2.56  
LINK         O   SER A 363                 K     K A 403     1555   1555  2.70  
LINK         K     K A 403                 O   HOH A 665     1555   1555  2.82  
LINK         K     K A 403                 O   HOH A 768     1555   1555  2.40  
CISPEP   1 TYR A  100    PRO A  101          0        -1.59                     
CISPEP   2 ALA A  312    PRO A  313          0         4.94                     
SITE     1 AC1  6 SER A 205  ASN A 207  VAL A 209  SER A 363                    
SITE     2 AC1  6 HOH A 665  HOH A 768                                          
SITE     1 AC2 10 THR A 172  THR A 204  SER A 205  VAL A 206                    
SITE     2 AC2 10 VAL A 209  ILE A 214  ASP A 216  ARG A 218                    
SITE     3 AC2 10 HOH A 511  HOH A 547                                          
SITE     1 AC3 10 HIS A 212  CYS A 301  HIS A 310  GLU A 336                    
SITE     2 AC3 10 HOH A 543  HOH A 634  HOH A 683  HOH A 821                    
SITE     3 AC3 10 HOH A 825  HOH A 978                                          
SITE     1 AC4  4 PHE A 198  CYS A 203  HOH A 634  HOH A 882                    
CRYST1   47.217   77.276   47.850  90.00  91.59  90.00 P 1 21 1      2          
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      0.021180  0.000000  0.000590        0.00000                         
SCALE2      0.000000  0.012940  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.020910        0.00000