HEADER    TRANSLATION                             10-OCT-11   2LKD              
TITLE     IF2-G2 GDP COMPLEX                                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRANSLATION INITIATION FACTOR IF-2;                        
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: G-DOMAIN REGION RESIDUES 241-414;                          
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: GEOBACILLUS STEAROTHERMOPHILUS;                 
SOURCE   3 ORGANISM_TAXID: 1422;                                                
SOURCE   4 GENE: INFB;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR: PGST                                       
KEYWDS    TRANSLATION                                                           
EXPDTA    SOLUTION NMR                                                          
NUMMDL    18                                                                    
AUTHOR    H.WIENK,E.TISHCHENKO,R.BELARDINELLI,S.TOMASELLI,R.DONGRE,R.SPURIO,    
AUTHOR   2 G.E.FOLKERS,C.O.GUALERZI,R.BOELENS                                   
REVDAT   4   15-MAY-24 2LKD    1       REMARK                                   
REVDAT   3   14-JUN-23 2LKD    1       REMARK SEQADV                            
REVDAT   2   18-JUL-12 2LKD    1       JRNL                                     
REVDAT   1   15-FEB-12 2LKD    0                                                
JRNL        AUTH   H.WIENK,E.TISHCHENKO,R.BELARDINELLI,S.TOMASELLI,R.DONGRE,    
JRNL        AUTH 2 R.SPURIO,G.E.FOLKERS,C.O.GUALERZI,R.BOELENS                  
JRNL        TITL   STRUCTURAL DYNAMICS OF BACTERIAL TRANSLATION INITIATION      
JRNL        TITL 2 FACTOR IF2.                                                  
JRNL        REF    J.BIOL.CHEM.                  V. 287 10922 2012              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   22308033                                                     
JRNL        DOI    10.1074/JBC.M111.333393                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS, CNS                                             
REMARK   3   AUTHORS     : BRUNGER, ADAMS, CLORE, GROS, NILGES AND READ         
REMARK   3                 (CNS), BRUNGER, ADAMS, CLORE, GROS, NILGES AND       
REMARK   3                 READ (CNS)                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2LKD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-OCT-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000102488.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 315                                
REMARK 210  PH                             : 6.5                                
REMARK 210  IONIC STRENGTH                 : 0.15                               
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 0.4-0.9 MM [U-100% 13C; U-100%     
REMARK 210                                   15N] PROTEIN, 90% H2O/10% D2O      
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 2D 1H-15N HSQC                     
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ                            
REMARK 210  SPECTROMETER MODEL             : AVANCE                             
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : NULL                               
REMARK 210   METHOD USED                   : MOLECULAR DYNAMICS                 
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 100                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 18                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : TARGET FUNCTION                    
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: NULL                                                         
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
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   HB2  LEU A   150     HA3  GLY A   157              1.26            
REMARK 500   HB   VAL A   137     HA3  GLY A   143              1.32            
REMARK 500   HB2  HIS A    16     HG1  THR A    96              1.34            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500 17 TYR A 134   CE1   TYR A 134   CZ     -0.111                       
REMARK 500 17 TYR A 134   CZ    TYR A 134   CE2     0.101                       
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  1 ASP A  18      -18.94     74.84                                   
REMARK 500  1 LYS A  32     -158.76    176.05                                   
REMARK 500  1 VAL A  33      -80.22     49.90                                   
REMARK 500  1 THR A  42      -83.83   -156.96                                   
REMARK 500  1 GLN A  43      -58.94    178.49                                   
REMARK 500  1 ILE A  45      154.86     68.88                                   
REMARK 500  1 ALA A  47     -172.56     64.88                                   
REMARK 500  1 ASN A  53      -59.94   -125.72                                   
REMARK 500  1 ASP A  54       43.04   -171.27                                   
REMARK 500  1 ILE A  57       93.60    175.61                                   
REMARK 500  1 LEU A  60      -91.40     72.11                                   
REMARK 500  1 PRO A  63      106.41    -50.34                                   
REMARK 500  1 ALA A  67      -65.00   -105.43                                   
REMARK 500  1 ARG A  74      -56.09     70.17                                   
REMARK 500  1 THR A  79       39.38   -165.04                                   
REMARK 500  1 ASN A 107       40.82     83.87                                   
REMARK 500  1 ASP A 144       61.21   -166.00                                   
REMARK 500  1 GLU A 172      -39.84    -35.63                                   
REMARK 500  1 GLU A 173      -72.89    -66.89                                   
REMARK 500  1 ALA A 176      -49.12   -161.01                                   
REMARK 500  2 VAL A   5       91.15     70.48                                   
REMARK 500  2 VAL A  11       95.88    -62.80                                   
REMARK 500  2 ASP A  18      -18.24     75.93                                   
REMARK 500  2 LYS A  32     -168.15   -175.39                                   
REMARK 500  2 VAL A  33      -66.18     55.84                                   
REMARK 500  2 GLU A  35      -44.59   -173.12                                   
REMARK 500  2 THR A  42     -154.60   -154.36                                   
REMARK 500  2 ASN A  53      -46.43   -140.80                                   
REMARK 500  2 ASP A  54       77.49   -178.04                                   
REMARK 500  2 ILE A  57       89.34     72.48                                   
REMARK 500  2 LEU A  60      124.11     71.27                                   
REMARK 500  2 GLU A  66     -170.98   -173.93                                   
REMARK 500  2 ALA A  73      -47.45   -134.45                                   
REMARK 500  2 GLN A  77      -53.54   -178.98                                   
REMARK 500  2 VAL A  78      -72.07    -56.83                                   
REMARK 500  2 ASP A  90      -69.33   -128.03                                   
REMARK 500  2 ASN A 107       61.43     82.32                                   
REMARK 500  2 LYS A 116       32.66     70.77                                   
REMARK 500  2 ASP A 144       61.40   -163.82                                   
REMARK 500  2 THR A 145      114.97   -162.67                                   
REMARK 500  2 GLU A 156      -67.42   -102.31                                   
REMARK 500  2 GLU A 173      -77.31    -59.83                                   
REMARK 500  3 MET A   4      -56.26   -129.98                                   
REMARK 500  3 ARG A   7       80.73     58.38                                   
REMARK 500  3 ASP A  18      -14.98     74.44                                   
REMARK 500  3 THR A  22      -50.64   -129.64                                   
REMARK 500  3 LYS A  32     -166.50   -167.58                                   
REMARK 500  3 THR A  42      -63.99     70.58                                   
REMARK 500  3 GLN A  43      -57.46   -167.36                                   
REMARK 500  3 VAL A  52      -72.43    -64.25                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     421 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500  4 TYR A 134         0.05    SIDE CHAIN                              
REMARK 500  6 TYR A 134         0.06    SIDE CHAIN                              
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 GDP A 179                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 6995   RELATED DB: BMRB                                  
REMARK 900 RELATED ID: 2LKC   RELATED DB: PDB                                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE AUTHOR STATES THAT LITERATURE DESCRIBING IF2-SEQUENCING INDEED   
REMARK 999 SHOWS AN ALA AT THIS POSITION, NOT ARG.                              
DBREF  2LKD A    5   178  UNP    P04766   IF2_GEOSE      241    414             
SEQADV 2LKD GLY A    1  UNP  P04766              EXPRESSION TAG                 
SEQADV 2LKD SER A    2  UNP  P04766              EXPRESSION TAG                 
SEQADV 2LKD HIS A    3  UNP  P04766              EXPRESSION TAG                 
SEQADV 2LKD MET A    4  UNP  P04766              EXPRESSION TAG                 
SEQADV 2LKD ALA A   76  UNP  P04766    ARG   312 SEE REMARK 999                 
SEQRES   1 A  178  GLY SER HIS MET VAL GLU ARG PRO PRO VAL VAL THR ILE          
SEQRES   2 A  178  MET GLY HIS VAL ASP HIS GLY LYS THR THR LEU LEU ASP          
SEQRES   3 A  178  ALA ILE ARG HIS SER LYS VAL THR GLU GLN GLU ALA GLY          
SEQRES   4 A  178  GLY ILE THR GLN HIS ILE GLY ALA TYR GLN VAL THR VAL          
SEQRES   5 A  178  ASN ASP LYS LYS ILE THR PHE LEU ASP THR PRO GLY HIS          
SEQRES   6 A  178  GLU ALA PHE THR THR MET ARG ALA ARG GLY ALA GLN VAL          
SEQRES   7 A  178  THR ASP ILE VAL ILE LEU VAL VAL ALA ALA ASP ASP GLY          
SEQRES   8 A  178  VAL MET PRO GLN THR VAL GLU ALA ILE ASN HIS ALA LYS          
SEQRES   9 A  178  ALA ALA ASN VAL PRO ILE ILE VAL ALA ILE ASN LYS MET          
SEQRES  10 A  178  ASP LYS PRO GLU ALA ASN PRO ASP ARG VAL MET GLN GLU          
SEQRES  11 A  178  LEU MET GLU TYR ASN LEU VAL PRO GLU GLU TRP GLY GLY          
SEQRES  12 A  178  ASP THR ILE PHE CYS LYS LEU SER ALA LYS THR LYS GLU          
SEQRES  13 A  178  GLY LEU ASP HIS LEU LEU GLU MET ILE LEU LEU VAL SER          
SEQRES  14 A  178  GLU MET GLU GLU LEU LYS ALA ASN PRO                          
HET    GDP  A 179      40                                                       
HETNAM     GDP GUANOSINE-5'-DIPHOSPHATE                                         
FORMUL   2  GDP    C10 H15 N5 O11 P2                                            
HELIX    1   1 THR A   22  ILE A   28  1                                   7    
HELIX    2   2 MET A   93  ASN A  107  1                                  15    
HELIX    3   3 ASN A  123  TYR A  134  1                                  12    
HELIX    4   4 GLU A  156  GLU A  172  1                                  17    
SHEET    1   A 4 THR A  12  GLY A  15  0                                        
SHEET    2   A 4 VAL A  82  ALA A  87  1  O  VAL A  85   N  MET A  14           
SHEET    3   A 4 ILE A 110  ASN A 115  1  O  ILE A 111   N  VAL A  82           
SHEET    4   A 4 THR A 145  LYS A 149  1  O  CYS A 148   N  ILE A 114           
SITE     1 AC1 13 VAL A  17  ASP A  18  GLY A  20  LYS A  21                    
SITE     2 AC1 13 THR A  22  THR A  23  LEU A  24  ASN A 115                    
SITE     3 AC1 13 LYS A 116  ASP A 118  LYS A 119  ALA A 152                    
SITE     4 AC1 13 LYS A 153                                                     
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1