HEADER    HYDROLASE                               03-MAY-01   1IKI              
TITLE     COMPLEX OF STREPTOMYCES R61 DD-PEPTIDASE WITH THE PRODUCTS OF A       
TITLE    2 SPECIFIC 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    PRODUCTS 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   06-NOV-24 1IKI    1       REMARK                                   
REVDAT   7   16-AUG-23 1IKI    1       REMARK                                   
REVDAT   6   24-JUL-19 1IKI    1       REMARK                                   
REVDAT   5   31-JAN-18 1IKI    1       REMARK                                   
REVDAT   4   13-JUL-11 1IKI    1       VERSN                                    
REVDAT   3   24-FEB-09 1IKI    1       VERSN                                    
REVDAT   2   01-APR-03 1IKI    1       JRNL                                     
REVDAT   1   11-SEP-02 1IKI    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.    1.25 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.25                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 89.1                           
REMARK   3   CROSS-VALIDATION METHOD           : FREE R                         
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) : 0.109                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.111                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.155                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 4463                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 89053                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.095                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.095                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.137                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 3317                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 63150                  
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    : 27                                            
REMARK   3   SOLVENT ATOMS      : 587                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 3215.0                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 0.00                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 26                      
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 29573                   
REMARK   3   NUMBER OF RESTRAINTS                     : 35362                   
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.010                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.020                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.032                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.070                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.080                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.020                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.000                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.030                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.100                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228        
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER                      
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE ESTIMATED STANDARD                    
REMARK   3  DEVIATION OF ATOMIC COORDINATES FOR ALL ATOMS IS 0.045              
REMARK   3  ANGSTROMS DETERMINED BY INVERSION OF THE LEAST-SQUARES              
REMARK   3  MATRIX.                                                             
REMARK   4                                                                      
REMARK   4 1IKI 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_1000013365.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 26-AUG-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X12C                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.000                              
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : MONOCHROMATOR, MIRRORS             
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : BRANDEIS - B4                      
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 92030                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.250                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.7                               
REMARK 200  DATA REDUNDANCY                : 5.600                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.25                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.29                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 77.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.00                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.17800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
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   (%): 37.60                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.97                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, SODIUM PHOSPHATE, PH 6.8,      
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 20K, TEMPERATURE         
REMARK 280  293.0K                                                              
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       25.42950            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       50.13150            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       33.39950            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       50.13150            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       25.42950            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       33.39950            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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: 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   CA   DAL A   500     O    HOH A  1590              1.98            
REMARK 500   C6   REY A   400     O    HOH A  1590              2.15            
REMARK 500   C8   REY A   400     O    HOH A  1590              2.15            
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    ARG A  29   NE  -  CZ  -  NH2 ANGL. DEV. =  -7.6 DEGREES          
REMARK 500    ASP A  31   CB  -  CG  -  OD1 ANGL. DEV. =   7.5 DEGREES          
REMARK 500    ARG A  50   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    ARG A  99   CD  -  NE  -  CZ  ANGL. DEV. =  23.9 DEGREES          
REMARK 500    ARG A  99   NE  -  CZ  -  NH1 ANGL. DEV. =   4.3 DEGREES          
REMARK 500    ARG A 131   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    GLY A 148   C   -  N   -  CA  ANGL. DEV. = -16.7 DEGREES          
REMARK 500    TYR A 183   CB  -  CG  -  CD1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500    ARG A 286   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    ARG A 287   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.3 DEGREES          
REMARK 500    ARG A 337   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.2 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    ILE A 187      -58.06   -133.74                                   
REMARK 500    GLN A 235     -120.29     54.58                                   
REMARK 500    ASN A 324       51.90    -90.61                                   
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 REY A 400                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DAL A 500                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1IKG   RELATED DB: PDB                                   
REMARK 900 MICHAELIS COMPLEX OF INACTIVE STREPTOMYCES R61 DD-PEPTIDASE WITH A   
REMARK 900 SPECIFIC PEPTIDOGLYCAN SUBSTRATE FRAGMENT                            
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                                                               
DBREF  1IKI 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    REY  A 400      21                                                       
HET    DAL  A 500       6                                                       
HETNAM     REY GLYCYL-L-ALPHA-AMINO-EPSILON-PIMELYL-D-ALANINE                   
HETNAM     DAL D-ALANINE                                                        
FORMUL   2  REY    C12 H21 N3 O6                                                
FORMUL   3  DAL    C3 H7 N O2                                                   
FORMUL   4  HOH   *587(H2 O)                                                    
HELIX    1   1 ASP A    7  GLN A   21  1                                  15    
HELIX    2   2 VAL A   63  GLU A   78  1                                  16    
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 8 THR A  35  GLY A  42  0                                        
SHEET    2   A 8 GLY A  25  ASP A  32 -1  O  ALA A  26   N  GLU A  41           
SHEET    3   A 8 ARG A 317  ALA A 323 -1  O  SER A 318   N  ASP A  31           
SHEET    4   A 8 TYR A 306  ALA A 311 -1  N  TYR A 306   O  ALA A 323           
SHEET    5   A 8 SER A 294  GLY A 300 -1  O  TYR A 296   N  ALA A 311           
SHEET    6   A 8 ARG A 285  ASP A 288 -1  N  ARG A 285   O  GLY A 297           
SHEET    7   A 8 GLN A 278  TYR A 280 -1  O  GLY A 279   N  ARG A 286           
SHEET    8   A 8 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  2.10  
CISPEP   1 HIS A  200    PRO A  201          0         1.69                     
SITE     1 AC1 23 GLY A  61  SER A  62  LYS A  65  ARG A  99                    
SITE     2 AC1 23 PHE A 120  THR A 123  TYR A 159  ASN A 161                    
SITE     3 AC1 23 LEU A 214  TRP A 233  ALA A 234  ALA A 237                    
SITE     4 AC1 23 GLY A 238  THR A 301  GLN A 303  SER A 326                    
SITE     5 AC1 23 ASN A 327  HOH A1023  HOH A1057  HOH A1135                    
SITE     6 AC1 23 HOH A1481  HOH A1590  HOH A1591                               
SITE     1 AC2 10 SER A  62  TYR A 159  ARG A 285  HIS A 298                    
SITE     2 AC2 10 THR A 299  GLY A 300  THR A 301  HOH A1214                    
SITE     3 AC2 10 HOH A1343  HOH A1590                                          
CRYST1   50.859   66.799  100.263  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      0.019662  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014970  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009974        0.00000