HEADER    LIGASE                                  27-SEP-23   8WKD              
TITLE     CONNECTASE T1A C192S MUTANT FROM METHANOCALDOCOCCUS MAZEI WITH PEPTIDE
TITLE    2 SUBSTRATE                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DUF2121 DOMAIN-CONTAINING PROTEIN;                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES;                                                       
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: TETRAHYDROMETHANOPTERIN S-METHYLTRANSFERASE SUBUNIT A;     
COMPND   8 CHAIN: C;                                                            
COMPND   9 SYNONYM: N5-METHYLTETRAHYDROMETHANOPTERIN--COENZYME M                
COMPND  10 METHYLTRANSFERASE SUBUNIT A;                                         
COMPND  11 EC: 2.1.1.86;                                                        
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: METHANOSARCINA MAZEI;                           
SOURCE   3 ORGANISM_TAXID: 2209;                                                
SOURCE   4 GENE: DU44_16730, DU48_12575, DU65_18300, DU71_01400, DU72_16840,    
SOURCE   5 FQU78_09620;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET47B-CNTT1AC192S;                       
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 SYNTHETIC: YES;                                                      
SOURCE  11 ORGANISM_SCIENTIFIC: METHANOSARCINA MAZEI;                           
SOURCE  12 ORGANISM_TAXID: 2209                                                 
KEYWDS    METHANOGENIC ARCHEA, PROTEASOME, PROTEIN LIGATION, TRANSPEPTIDASE,    
KEYWDS   2 LIGASE                                                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.C.CHONG,B.WU                                                        
REVDAT   2   22-JAN-25 8WKD    1       JRNL                                     
REVDAT   1   15-JAN-25 8WKD    0                                                
JRNL        AUTH   K.H.C.CHONG,L.LIU,R.CHUA,Y.T.CHAI,Z.LU,R.LIU,E.Y.J.TAN,      
JRNL        AUTH 2 J.DONG,Y.H.KHOH,J.LIN,F.L.ZHONG,J.LESCAR,P.ZHENG,B.WU        
JRNL        TITL   STRUCTURAL BASIS OF HIGH-PRECISION PROTEIN LIGATION AND ITS  
JRNL        TITL 2 APPLICATION.                                                 
JRNL        REF    J.AM.CHEM.SOC.                V. 147  1604 2025              
JRNL        REFN                   ESSN 1520-5126                               
JRNL        PMID   39745918                                                     
JRNL        DOI    10.1021/JACS.4C10689                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.98 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (1.21RC1_5015: ???)                           
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.98                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 47.69                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.330                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 23726                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.221                           
REMARK   3   R VALUE            (WORKING SET) : 0.218                           
REMARK   3   FREE R VALUE                     : 0.269                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.980                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1182                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 47.6900 -  3.9700    1.00     2826   151  0.1774 0.2288        
REMARK   3     2  3.9700 -  3.1500    1.00     2832   155  0.1922 0.2549        
REMARK   3     3  3.1500 -  2.7500    1.00     2836   138  0.2295 0.2875        
REMARK   3     4  2.7500 -  2.5000    1.00     2836   154  0.2473 0.3086        
REMARK   3     5  2.5000 -  2.3200    1.00     2837   149  0.2577 0.2729        
REMARK   3     6  2.3200 -  2.1800    1.00     2830   148  0.2812 0.3378        
REMARK   3     7  2.1800 -  2.0700    1.00     2851   151  0.2894 0.3201        
REMARK   3     8  2.0700 -  1.9800    0.95     2696   136  0.3236 0.3769        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.10                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.260            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 32.690           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.021           1605                                  
REMARK   3   ANGLE     :  2.380           2150                                  
REMARK   3   CHIRALITY :  0.114            251                                  
REMARK   3   PLANARITY :  0.014            276                                  
REMARK   3   DIHEDRAL  : 22.838            609                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 5                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 1 THROUGH 73 )                    
REMARK   3    ORIGIN FOR THE GROUP (A): -15.5054  -0.1440  -7.5529              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2859 T22:   0.2717                                     
REMARK   3      T33:   0.3250 T12:  -0.0083                                     
REMARK   3      T13:  -0.0413 T23:  -0.0064                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.7578 L22:   2.9519                                     
REMARK   3      L33:   0.9274 L12:   0.0454                                     
REMARK   3      L13:  -0.4768 L23:  -0.8441                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0384 S12:   0.0292 S13:  -0.4171                       
REMARK   3      S21:   0.0959 S22:  -0.1093 S23:   0.0259                       
REMARK   3      S31:   0.1280 S32:   0.0391 S33:   0.1028                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 74 THROUGH 116 )                  
REMARK   3    ORIGIN FOR THE GROUP (A): -19.2884  14.6217   1.9107              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2787 T22:   0.2362                                     
REMARK   3      T33:   0.1737 T12:  -0.0073                                     
REMARK   3      T13:  -0.0088 T23:   0.0010                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.3071 L22:   2.4754                                     
REMARK   3      L33:   3.2423 L12:   0.3140                                     
REMARK   3      L13:  -0.6834 L23:  -0.4153                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1025 S12:  -0.4546 S13:  -0.1433                       
REMARK   3      S21:   0.1419 S22:  -0.0798 S23:  -0.0406                       
REMARK   3      S31:   0.3891 S32:   0.0710 S33:   0.0673                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 117 THROUGH 192 )                 
REMARK   3    ORIGIN FOR THE GROUP (A): -12.5223  15.5064 -11.2299              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2200 T22:   0.2466                                     
REMARK   3      T33:   0.2041 T12:  -0.0160                                     
REMARK   3      T13:   0.0183 T23:   0.0432                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.1634 L22:   2.8387                                     
REMARK   3      L33:   2.5431 L12:   0.2426                                     
REMARK   3      L13:  -0.5269 L23:   0.0593                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0245 S12:  -0.0222 S13:   0.0481                       
REMARK   3      S21:  -0.1399 S22:  -0.0019 S23:  -0.1927                       
REMARK   3      S31:  -0.2075 S32:   0.0674 S33:   0.0200                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: CHAIN 'C' AND (RESID 4 THROUGH 11 )                    
REMARK   3    ORIGIN FOR THE GROUP (A): -17.0305   1.1696  -1.6193              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   1.6911 T22:   0.8335                                     
REMARK   3      T33:   0.5883 T12:  -0.3695                                     
REMARK   3      T13:  -0.0409 T23:  -0.2271                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.3467 L22:   0.0659                                     
REMARK   3      L33:   0.0188 L12:  -0.1089                                     
REMARK   3      L13:  -0.0632 L23:   0.0042                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0088 S12:   0.1955 S13:   0.0137                       
REMARK   3      S21:  -0.0199 S22:   0.1304 S23:  -0.0275                       
REMARK   3      S31:  -0.0990 S32:   0.2050 S33:  -0.0365                       
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    SELECTION: CHAIN 'C' AND (RESID 12 THROUGH 20 )                   
REMARK   3    ORIGIN FOR THE GROUP (A):  -7.3227  15.5587  -1.6742              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.4447 T22:   0.4334                                     
REMARK   3      T33:   0.3650 T12:  -0.1550                                     
REMARK   3      T13:  -0.0118 T23:  -0.0405                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.1798 L22:   0.2683                                     
REMARK   3      L33:   0.2715 L12:  -0.0263                                     
REMARK   3      L13:  -0.1557 L23:  -0.1649                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1668 S12:  -0.5384 S13:  -0.0434                       
REMARK   3      S21:   0.3832 S22:  -0.1614 S23:  -0.1226                       
REMARK   3      S31:  -0.1257 S32:   0.0065 S33:  -0.0082                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 8WKD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 29-SEP-23.                  
REMARK 100 THE DEPOSITION ID IS D_1300041442.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-JUL-23                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5-9.0                            
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : AUSTRALIAN SYNCHROTRON             
REMARK 200  BEAMLINE                       : MX2                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9537                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 61160                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.980                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 47.690                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 9.900                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.1700                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.98                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
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: MOLREP                                                
REMARK 200 STARTING MODEL: ALPHAFOLD                                            
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 35.92                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.92                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M TRIS PH 8.2, 0.05 M NACL, 24%      
REMARK 280  PEG 4000, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291.15K        
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       27.05000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       50.48500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       27.05000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       50.48500            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2360 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10120 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C                                  
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     ARG C     1                                                      
REMARK 465     GLU C     2                                                      
REMARK 465     LEU C     3                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   SG   CYS A    64     SG   CYS A    64     2455     1.10            
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 106     -123.58     57.03                                   
REMARK 500    LYS C   6      152.38     91.01                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF1 8WKD A    2   192  UNP                  A0A0F8NKN3_METMZ                 
DBREF2 8WKD A     A0A0F8NKN3                          3         193             
DBREF  8WKD C    1    20  UNP    O59640   MTRA_METMA     148    167             
SEQADV 8WKD ALA A    1  UNP  A0A0F8NKN           EXPRESSION TAG                 
SEQADV 8WKD SER A  192  UNP  A0A0F8NKN CYS   193 ENGINEERED MUTATION            
SEQADV 8WKD VAL C   11  UNP  O59640    PHE   158 ENGINEERED MUTATION            
SEQADV 8WKD LYS C   14  UNP  O59640    ASP   161 ENGINEERED MUTATION            
SEQRES   1 A  192  ALA LEU VAL ILE ALA PHE ILE GLY LYS ASN GLY ALA VAL          
SEQRES   2 A  192  MET ALA GLY ASP MET ARG GLU ILE THR PHE GLU GLY GLU          
SEQRES   3 A  192  LYS PRO ASP ARG GLU LYS LEU GLU LYS GLU LEU TYR SER          
SEQRES   4 A  192  GLY SER ILE VAL THR ASP GLU GLU MET GLN LYS LYS ALA          
SEQRES   5 A  192  GLU GLU PHE GLY VAL LYS ILE THR VAL ALA ASP CYS LYS          
SEQRES   6 A  192  GLU LYS VAL SER GLU ARG ASN GLY VAL LEU VAL GLY GLU          
SEQRES   7 A  192  VAL SER SER ALA GLU GLY GLY VAL VAL LYS LYS ARG ARG          
SEQRES   8 A  192  LEU TYR ALA SER ALA GLY ASN PHE ALA ILE ALA GLU LEU          
SEQRES   9 A  192  ILE ASN THR GLU MET THR LEU THR SER GLN GLY LYS GLY          
SEQRES  10 A  192  SER ASN PHE ILE ALA PHE GLY ASN GLU PHE THR LYS GLN          
SEQRES  11 A  192  VAL ALA ASN LYS CYS PHE LYS ASP ASN TRP THR LYS LYS          
SEQRES  12 A  192  SER ASN LEU GLN ASP ALA VAL LYS ILE LEU ILE LEU CYS          
SEQRES  13 A  192  MET GLU THR VAL ALA ARG LYS THR ALA SER VAL SER LYS          
SEQRES  14 A  192  GLN PHE MET ILE VAL GLN THR ALA SER ASN ALA ASP VAL          
SEQRES  15 A  192  LEU LYS VAL VAL GLU LYS ASP ARG ASN SER                      
SEQRES   1 C   20  ARG GLU LEU ALA SER LYS ASP PRO GLY ALA VAL ASP ALA          
SEQRES   2 C   20  LYS PRO LEU VAL VAL GLU ILE                                  
FORMUL   3  HOH   *73(H2 O)                                                     
HELIX    1 AA1 GLU A   26  SER A   39  1                                  14    
HELIX    2 AA2 THR A   44  GLY A   56  1                                  13    
HELIX    3 AA3 ASN A  125  TRP A  140  1                                  16    
HELIX    4 AA4 ASN A  145  THR A  164  1                                  20    
HELIX    5 AA5 ASP A  181  ASN A  191  1                                  11    
SHEET    1 AA1 5 PHE A 171  THR A 176  0                                        
SHEET    2 AA1 5 GLY A  11  ASP A  17 -1  N  GLY A  16   O  MET A 172           
SHEET    3 AA1 5 LEU A   2  GLY A   8 -1  N  GLY A   8   O  GLY A  11           
SHEET    4 AA1 5 ASN A 119  GLY A 124 -1  O  PHE A 123   N  VAL A   3           
SHEET    5 AA1 5 LEU C  16  GLU C  19 -1  O  VAL C  18   N  PHE A 120           
SHEET    1 AA2 2 GLU A  20  GLU A  24  0                                        
SHEET    2 AA2 2 LYS A  58  ALA A  62 -1  O  ALA A  62   N  GLU A  20           
SHEET    1 AA3 5 VAL A  68  ARG A  71  0                                        
SHEET    2 AA3 5 VAL A  74  GLU A  83 -1  O  VAL A  76   N  SER A  69           
SHEET    3 AA3 5 VAL A  86  SER A  95 -1  O  ALA A  94   N  LEU A  75           
SHEET    4 AA3 5 ASN A  98  ILE A 105 -1  O  ALA A 102   N  ARG A  91           
SHEET    5 AA3 5 GLU A 108  LYS A 116 -1  O  THR A 110   N  GLU A 103           
CRYST1   54.100  100.970   32.600  90.00  90.00  90.00 P 21 21 2     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      0.018484  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009904  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.030675        0.00000