HEADER    HYDROLASE                               03-MAY-01   1IKG              
TITLE     MICHAELIS COMPLEX OF STREPTOMYCES R61 DD-PEPTIDASE WITH A SPECIFIC    
TITLE    2 PEPTIDOGLYCAN SUBSTRATE FRAGMENT                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: D-ALANYL-D-ALANINE CARBOXYPEPTIDASE;                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: DD-PEPTIDASE;                                               
COMPND   5 EC: 3.4.16.4                                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STREPTOMYCES SP.;                               
SOURCE   3 ORGANISM_TAXID: 31952;                                               
SOURCE   4 STRAIN: R61                                                          
KEYWDS    MICHAELIS COMPLEX, PEPTIDOGLYCAN, PENICILLIN BINDING PROTEIN,         
KEYWDS   2 HYDROLASE                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.A.MCDONOUGH,J.W.ANDERSON,N.R.SILVAGGI,R.F.PRATT,J.R.KNOX,J.A.KELLY  
REVDAT   8   16-OCT-24 1IKG    1       REMARK                                   
REVDAT   7   16-AUG-23 1IKG    1       REMARK                                   
REVDAT   6   31-JAN-18 1IKG    1       REMARK                                   
REVDAT   5   04-OCT-17 1IKG    1       REMARK                                   
REVDAT   4   13-JUL-11 1IKG    1       VERSN                                    
REVDAT   3   24-FEB-09 1IKG    1       VERSN                                    
REVDAT   2   01-APR-03 1IKG    1       JRNL                                     
REVDAT   1   11-SEP-02 1IKG    0                                                
JRNL        AUTH   M.A.MCDONOUGH,J.W.ANDERSON,N.R.SILVAGGI,R.F.PRATT,J.R.KNOX,  
JRNL        AUTH 2 J.A.KELLY                                                    
JRNL        TITL   STRUCTURES OF TWO KINETIC INTERMEDIATES REVEAL SPECIES       
JRNL        TITL 2 SPECIFICITY OF PENICILLIN-BINDING PROTEINS.                  
JRNL        REF    J.MOL.BIOL.                   V. 322   111 2002              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   12215418                                                     
JRNL        DOI    10.1016/S0022-2836(02)00742-8                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   W.LEE,M.A.MCDONOUGH,L.KOTRA,Z.H.LI,N.R.SILVAGGI,Y.TAKEDA,    
REMARK   1  AUTH 2 J.A.KELLY,S.MOBASHERY                                        
REMARK   1  TITL   A 1.2-A SNAPSHOT OF THE FINAL STEP OF BACTERIAL CELL WALL    
REMARK   1  TITL 2 BIOSYNTHESIS                                                 
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  98  1427 2001              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   1  DOI    10.1073/PNAS.98.4.1427                                       
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   A.P.KUZIN,H.LIU,J.A.KELLY,J.R.KNOX                           
REMARK   1  TITL   BINDING OF CEPHALOTHIN AND CEFOTAXIME TO                     
REMARK   1  TITL 2 D-ALA-D-ALA-PEPTIDASE REVEALS A FUNCTIONAL BASIS OF A        
REMARK   1  TITL 3 NATURAL MUTATION IN A LOW-AFFINITY PENICILLIN-BINDING        
REMARK   1  TITL 4 PROTEIN AND IN EXTENDED-SPECTRUM BETA-LACTAMASES             
REMARK   1  REF    BIOCHEMISTRY                  V.  34  9532 1995              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   J.A.KELLY,A.P.KUZIN                                          
REMARK   1  TITL   THE REFINED CRYSTALLOGRAPHIC STRUCTURE OF A DD-PEPTIDASE     
REMARK   1  TITL 2 PENICILLIN-TARGET ENZYME AT 1.6 A RESOLUTION                 
REMARK   1  REF    J.MOL.BIOL.                   V. 254   223 1995              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  DOI    10.1006/JMBI.1995.0613                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.93                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 155199.090                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 92.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 25556                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.150                           
REMARK   3   FREE R VALUE                     : 0.184                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1279                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.02                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 69.70                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2978                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1590                       
REMARK   3   BIN FREE R VALUE                    : 0.2270                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.20                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 162                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.018                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2602                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 26                                      
REMARK   3   SOLVENT ATOMS            : 355                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 7.70                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 9.90                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -3.11000                                             
REMARK   3    B22 (A**2) : 1.82000                                              
REMARK   3    B33 (A**2) : 1.29000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.15                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.02                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 30.0                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.20                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.14                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.012                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.600                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.980                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.160 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.630 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.140 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.760 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.37                                                 
REMARK   3   BSOL        : 67.12                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : REX.PARAM                                      
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : REX.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1IKG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-MAY-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000013363.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-NOV-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.542                              
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : SIEMENS HI-STAR                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : X-GEN                              
REMARK 200  DATA SCALING SOFTWARE          : X-GEN                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 26003                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 28.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 3.400                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.04400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 22.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.02                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 70.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.40                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.08600                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 3PTE                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.90                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, SODIUM PHOSPHATE, PH 6.8,      
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 100K                     
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       25.43650            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       50.06450            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       33.41400            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       50.06450            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       25.43650            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       33.41400            
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                                     
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     ALA A     1                                                      
REMARK 465     ASP A     2                                                      
REMARK 465     THR A   348                                                      
REMARK 465     THR A   349                                                      
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    SER A  62        3.51    -64.62                                   
REMARK 500    ILE A 187      -56.83   -130.84                                   
REMARK 500    GLN A 235     -112.94     47.74                                   
REMARK 500    ASN A 324       57.18    -91.36                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE REX A 400                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1HVB   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF STREPTOMYCES R61 DD-PEPTIDASE COMPLEXED WITH A  
REMARK 900 NOVEL CEPHALOSPORIN ANALOG OF CELL WALL PEPTIDOGLYCAN                
REMARK 900 RELATED ID: 3PTE   RELATED DB: PDB                                   
REMARK 900 NATIVE                                                               
REMARK 900 RELATED ID: 1IKI   RELATED DB: PDB                                   
REMARK 900 COMPLEX OF STREPTOMYCES R61 DD-PEPTIDASE WITH THE PRODUCTS OF A      
REMARK 900 SPECIFIC PEPTIDOGLYCAN SUBSTRATE FRAGMENT                            
DBREF  1IKG A    1   349  UNP    P15555   DAC_STRSR       32    380             
SEQRES   1 A  349  ALA ASP LEU PRO ALA PRO ASP ASP THR GLY LEU GLN ALA          
SEQRES   2 A  349  VAL LEU HIS THR ALA LEU SER GLN GLY ALA PRO GLY ALA          
SEQRES   3 A  349  MET VAL ARG VAL ASP ASP ASN GLY THR ILE HIS GLN LEU          
SEQRES   4 A  349  SER GLU GLY VAL ALA ASP ARG ALA THR GLY ARG ALA ILE          
SEQRES   5 A  349  THR THR THR ASP ARG PHE ARG VAL GLY SER VAL THR LYS          
SEQRES   6 A  349  SER PHE SER ALA VAL VAL LEU LEU GLN LEU VAL ASP GLU          
SEQRES   7 A  349  GLY LYS LEU ASP LEU ASP ALA SER VAL ASN THR TYR LEU          
SEQRES   8 A  349  PRO GLY LEU LEU PRO ASP ASP ARG ILE THR VAL ARG GLN          
SEQRES   9 A  349  VAL MET SER HIS ARG SER GLY LEU TYR ASP TYR THR ASN          
SEQRES  10 A  349  ASP MET PHE ALA GLN THR VAL PRO GLY PHE GLU SER VAL          
SEQRES  11 A  349  ARG ASN LYS VAL PHE SER TYR GLN ASP LEU ILE THR LEU          
SEQRES  12 A  349  SER LEU LYS HIS GLY VAL THR ASN ALA PRO GLY ALA ALA          
SEQRES  13 A  349  TYR SER TYR SER ASN THR ASN PHE VAL VAL ALA GLY MET          
SEQRES  14 A  349  LEU ILE GLU LYS LEU THR GLY HIS SER VAL ALA THR GLU          
SEQRES  15 A  349  TYR GLN ASN ARG ILE PHE THR PRO LEU ASN LEU THR ASP          
SEQRES  16 A  349  THR PHE TYR VAL HIS PRO ASP THR VAL ILE PRO GLY THR          
SEQRES  17 A  349  HIS ALA ASN GLY TYR LEU THR PRO ASP GLU ALA GLY GLY          
SEQRES  18 A  349  ALA LEU VAL ASP SER THR GLU GLN THR VAL SER TRP ALA          
SEQRES  19 A  349  GLN SER ALA GLY ALA VAL ILE SER SER THR GLN ASP LEU          
SEQRES  20 A  349  ASP THR PHE PHE SER ALA LEU MET SER GLY GLN LEU MET          
SEQRES  21 A  349  SER ALA ALA GLN LEU ALA GLN MET GLN GLN TRP THR THR          
SEQRES  22 A  349  VAL ASN SER THR GLN GLY TYR GLY LEU GLY LEU ARG ARG          
SEQRES  23 A  349  ARG ASP LEU SER CYS GLY ILE SER VAL TYR GLY HIS THR          
SEQRES  24 A  349  GLY THR VAL GLN GLY TYR TYR THR TYR ALA PHE ALA SER          
SEQRES  25 A  349  LYS ASP GLY LYS ARG SER VAL THR ALA LEU ALA ASN THR          
SEQRES  26 A  349  SER ASN ASN VAL ASN VAL LEU ASN THR MET ALA ARG THR          
SEQRES  27 A  349  LEU GLU SER ALA PHE CYS GLY LYS PRO THR THR                  
HET    REX  A 400      26                                                       
HETNAM     REX GLYCYL-L-ALPHA-AMINO-EPSILON-PIMELYL-D-ALANYL-D-ALANINE          
FORMUL   2  REX    C15 H26 N4 O7                                                
FORMUL   3  HOH   *355(H2 O)                                                    
HELIX    1   1 ASP A    7  GLN A   21  1                                  15    
HELIX    2   2 SER A   62  GLU A   78  1                                  17    
HELIX    3   3 SER A   86  LEU A   91  1                                   6    
HELIX    4   4 THR A  101  SER A  107  1                                   7    
HELIX    5   5 TYR A  115  PHE A  120  1                                   6    
HELIX    6   6 GLN A  122  ARG A  131  1                                  10    
HELIX    7   7 SER A  136  LYS A  146  1                                  11    
HELIX    8   8 SER A  160  GLY A  176  1                                  17    
HELIX    9   9 SER A  178  ILE A  187  1                                  10    
HELIX   10  10 ALA A  234  GLY A  238  5                                   5    
HELIX   11  11 SER A  243  SER A  256  1                                  14    
HELIX   12  12 SER A  261  GLN A  269  1                                   9    
HELIX   13  13 ASN A  328  CYS A  344  1                                  17    
SHEET    1   A 9 ARG A  50  ALA A  51  0                                        
SHEET    2   A 9 THR A  35  ASP A  45 -1  N  ALA A  44   O  ARG A  50           
SHEET    3   A 9 GLY A  25  ASP A  32 -1  N  ALA A  26   O  GLU A  41           
SHEET    4   A 9 ARG A 317  ALA A 323 -1  O  SER A 318   N  ASP A  31           
SHEET    5   A 9 TYR A 305  SER A 312 -1  N  TYR A 306   O  ALA A 323           
SHEET    6   A 9 SER A 294  VAL A 302 -1  N  TYR A 296   O  ALA A 311           
SHEET    7   A 9 ARG A 285  ASP A 288 -1  N  ARG A 285   O  GLY A 297           
SHEET    8   A 9 GLN A 278  TYR A 280 -1  O  GLY A 279   N  ARG A 286           
SHEET    9   A 9 THR A 272  ASN A 275 -1  N  THR A 272   O  TYR A 280           
SHEET    1   B 2 PHE A  58  ARG A  59  0                                        
SHEET    2   B 2 ILE A 241  SER A 242 -1  N  SER A 242   O  PHE A  58           
SHEET    1   C 3 VAL A 224  ASP A 225  0                                        
SHEET    2   C 3 TYR A 213  LEU A 214 -1  N  LEU A 214   O  VAL A 224           
SHEET    3   C 3 THR A 325  SER A 326  1  N  SER A 326   O  TYR A 213           
SSBOND   1 CYS A  291    CYS A  344                          1555   1555  2.04  
CISPEP   1 HIS A  200    PRO A  201          0        -0.16                     
SITE     1 AC1 21 GLY A  61  SER A  62  ARG A  99  PHE A 120                    
SITE     2 AC1 21 THR A 123  TYR A 159  ASN A 161  LEU A 214                    
SITE     3 AC1 21 TRP A 233  ALA A 237  ARG A 285  HIS A 298                    
SITE     4 AC1 21 THR A 299  GLY A 300  THR A 301  GLN A 303                    
SITE     5 AC1 21 SER A 326  ASN A 327  HOH A1067  HOH A1104                    
SITE     6 AC1 21 HOH A1161                                                     
CRYST1   50.873   66.828  100.129  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      0.019657  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014964  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009987        0.00000