PDB Short entry for 1IK0
HEADER    CYTOKINE                                01-MAY-01   1IK0              
TITLE     SOLUTION STRUCTURE OF HUMAN IL-13                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: INTERLEUKIN-13;                                            
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: IL-13;                                                      
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PRSET                                     
KEYWDS    LEFT-HANDED FOUR-HELIX BUNDLE, CYTOKINE                               
EXPDTA    SOLUTION NMR                                                          
NUMMDL    30                                                                    
AUTHOR    F.J.MOY,E.DIBLASIO,J.WILHELM,R.POWERS                                 
REVDAT   3   23-FEB-22 1IK0    1       REMARK SEQADV                            
REVDAT   2   24-FEB-09 1IK0    1       VERSN                                    
REVDAT   1   01-MAY-02 1IK0    0                                                
JRNL        AUTH   F.J.MOY,E.DIBLASIO,J.WILHELM,R.POWERS                        
JRNL        TITL   SOLUTION STRUCTURE OF HUMAN IL-13 AND IMPLICATION FOR        
JRNL        TITL 2 RECEPTOR BINDING.                                            
JRNL        REF    J.MOL.BIOL.                   V. 310   219 2001              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   11419948                                                     
JRNL        DOI    10.1006/JMBI.2001.4764                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : XWINNMR 2.0, X-PLOR 3.84                             
REMARK   3   AUTHORS     : BRUKER (XWINNMR), BRUNGER (X-PLOR)                   
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  THE STRUCTURES ARE BASED ON A TOTAL OF 2848 RESTRAINTS, 2248 ARE    
REMARK   3  NOE-DERIVED                                                         
REMARK   3  DISTANCE CONSTRAINTS, 299 DIHEDRAL ANGLE RESTRAINTS,50 DISTANCE     
REMARK   3  RESTRAINTS                                                          
REMARK   3  FROM HYDROGEN BONDS, 205 CA/CB CONSTRAINTS, 96 COUPLING CONSTANT    
REMARK   3  CONSTRAINTS.                                                        
REMARK   3  ADDITIONALLY, A RAMACHANDRAN CONFORMATIONAL DATABASE AND RADIUS OF  
REMARK   3  GYRATION                                                            
REMARK   3  TARGET FUNCTION WAS USED DURING THE REFINEMENT.                     
REMARK   4                                                                      
REMARK   4 1IK0 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-MAY-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000013351.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 298; 298; 298                      
REMARK 210  PH                             : 6.0; 6.0; 6.0                      
REMARK 210  IONIC STRENGTH                 : 40 MM SODIUM PHOSPHATE, 2 MM       
REMARK 210                                   NAN3, 40 MM NACL; 40 MM SODIUM     
REMARK 210                                   PHOSPHATE, 2 MM NAN3, 40 MM NACL;  
REMARK 210                                   40 MM SODIUM PHOSPHATE, 2 MM       
REMARK 210                                   NAN3, 40 MM NACL                   
REMARK 210  PRESSURE                       : AMBIENT; AMBIENT; AMBIENT          
REMARK 210  SAMPLE CONTENTS                : 1MM INTERLEUKIN-13 U-15N; 40MM     
REMARK 210                                   PHOSPHATE BUFFER; 2MM NAN3; 40     
REMARK 210                                   MM NACL 90% H2O, 10% D2O; PH 6.0;  
REMARK 210                                   1MM INTERLEUKIN-13 U-15N,U-13C;    
REMARK 210                                   40MM PHOSPHATE BUFFER; 2MM NAN3;   
REMARK 210                                   40 MM NACL 90% H2O, 10% D2O; PH    
REMARK 210                                   6.0; 1MM INTERLEUKIN-13 U-15N,U-   
REMARK 210                                   13C; 40MM PHOSPHATE BUFFER; 2MM    
REMARK 210                                   NAN3; 40 MM NACL; 100% D2O; PH     
REMARK 210                                   6.0                                
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 3D_15N-SEPARATED_NOESY; 3D_13C     
REMARK 210                                   -SEPARATED_NOESY; HNCA-J; HNHA     
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                 : NMRPIPE 97.231.15.18, PIPP 4.2.8   
REMARK 210   METHOD USED                   : SIMULATED ANNEALING                
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 100                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 30                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH ACCEPTABLE         
REMARK 210                                   COVALENT GEOMETRY, STRUCTURES      
REMARK 210                                   WITH FAVORABLE NON-BOND ENERGY,    
REMARK 210                                   STRUCTURES WITH THE LEAST          
REMARK 210                                   RESTRAINT VIOLATIONS, STRUCTURES   
REMARK 210                                   WITH THE LOWEST ENERGY             
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL                
REMARK 210                                                                      
REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING TRIPLE-RESONANCE NMR      
REMARK 210  SPECTROSCOPY.                                                       
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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (RES=RESIDUE NAME;         
REMARK 470 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 470   MODELS 1-30                                                        
REMARK 470     RES CSSEQI  ATOMS                                                
REMARK 470     ASN A 113    O                                                   
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   O    CYS A    71     H    HIS A    73              1.45            
REMARK 500   O    CYS A    29     H    GLY A    31              1.51            
REMARK 500   O    LEU A    51     H    VAL A    54              1.55            
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 PRO A   3      174.40    -49.65                                   
REMARK 500  1 ASN A  30       46.71    -67.63                                   
REMARK 500  1 ALA A  41      -34.35    -29.18                                   
REMARK 500  1 PRO A  72       36.79    -60.14                                   
REMARK 500  1 ALA A  77       -2.40    -57.85                                   
REMARK 500  2 PRO A   3      150.24    -49.65                                   
REMARK 500  2 LYS A  25      -80.40    -87.85                                   
REMARK 500  2 ASN A  30       40.65    -67.11                                   
REMARK 500  2 THR A  40      -99.29   -143.95                                   
REMARK 500  2 PRO A  72       39.17    -57.58                                   
REMARK 500  3 PRO A   3      164.56    -47.01                                   
REMARK 500  3 LYS A  25      -79.96    -86.31                                   
REMARK 500  3 ASN A  30       39.51    -67.74                                   
REMARK 500  3 THR A  40     -101.29   -142.85                                   
REMARK 500  3 ALA A  59      -12.57    -48.99                                   
REMARK 500  3 PRO A  72        6.13    -64.33                                   
REMARK 500  4 PRO A   3      154.30    -45.69                                   
REMARK 500  4 PRO A   5      170.55    -51.52                                   
REMARK 500  4 LYS A  25      -79.42    -89.26                                   
REMARK 500  4 PRO A  27      159.51    -45.40                                   
REMARK 500  4 ASN A  30       55.29    -67.08                                   
REMARK 500  4 THR A  40     -120.02   -143.25                                   
REMARK 500  4 ALA A  41      -76.08    -89.98                                   
REMARK 500  4 PRO A  72       -1.86    -50.66                                   
REMARK 500  5 LYS A  25      -79.60    -87.58                                   
REMARK 500  5 PRO A  27      158.86    -49.69                                   
REMARK 500  5 ASN A  30       47.58    -66.39                                   
REMARK 500  5 THR A  40     -100.95   -142.53                                   
REMARK 500  5 ALA A  59      -14.33    -49.31                                   
REMARK 500  6 PRO A   3      173.93    -47.40                                   
REMARK 500  6 LYS A  25      -77.76    -86.68                                   
REMARK 500  6 PRO A  27      150.32    -42.39                                   
REMARK 500  6 ASN A  30       38.84    -67.80                                   
REMARK 500  6 THR A  40     -101.01   -144.33                                   
REMARK 500  7 PRO A   3      175.17    -48.38                                   
REMARK 500  7 LYS A  25      -76.49    -87.06                                   
REMARK 500  7 ASN A  30       41.91    -67.46                                   
REMARK 500  7 THR A  40     -116.02   -143.85                                   
REMARK 500  7 PRO A  72       37.78    -60.04                                   
REMARK 500  7 ARG A  86       51.36    -94.73                                   
REMARK 500  8 PRO A   3     -171.86    -50.98                                   
REMARK 500  8 LYS A  25      -79.33    -87.74                                   
REMARK 500  8 ASN A  30       56.12    -69.77                                   
REMARK 500  8 THR A  40     -103.43   -144.73                                   
REMARK 500  8 PRO A  72       10.51    -53.32                                   
REMARK 500  9 ASN A  30       57.80    -69.87                                   
REMARK 500  9 THR A  40     -105.63   -145.87                                   
REMARK 500  9 ALA A  41      -79.92    -91.19                                   
REMARK 500  9 PRO A  72       -0.84    -55.69                                   
REMARK 500  9 ARG A  86       46.76    -90.78                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     180 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1IJZ   RELATED DB: PDB                                   
REMARK 900 1IJZ CONTAINS THE RESTRAINED MINIMIZED AVERAGE STRUCTURE FOR IL-13   
DBREF  1IK0 A    2   113  UNP    P35225   IL13_HUMAN      21    132             
SEQADV 1IK0 MET A    1  UNP  P35225              CLONING ARTIFACT               
SEQRES   1 A  113  MET GLY PRO VAL PRO PRO SER THR ALA LEU ARG GLU LEU          
SEQRES   2 A  113  ILE GLU GLU LEU VAL ASN ILE THR GLN ASN GLN LYS ALA          
SEQRES   3 A  113  PRO LEU CYS ASN GLY SER MET VAL TRP SER ILE ASN LEU          
SEQRES   4 A  113  THR ALA GLY MET TYR CYS ALA ALA LEU GLU SER LEU ILE          
SEQRES   5 A  113  ASN VAL SER GLY CYS SER ALA ILE GLU LYS THR GLN ARG          
SEQRES   6 A  113  MET LEU SER GLY PHE CYS PRO HIS LYS VAL SER ALA GLY          
SEQRES   7 A  113  GLN PHE SER SER LEU HIS VAL ARG ASP THR LYS ILE GLU          
SEQRES   8 A  113  VAL ALA GLN PHE VAL LYS ASP LEU LEU LEU HIS LEU LYS          
SEQRES   9 A  113  LYS LEU PHE ARG GLU GLY ARG PHE ASN                          
HELIX    1   1 PRO A    5  ASN A   23  1                                  19    
HELIX    2   2 GLY A   42  ILE A   52  1                                  11    
HELIX    3   3 CYS A   57  ALA A   59  5                                   3    
HELIX    4   4 ILE A   60  CYS A   71  1                                  12    
HELIX    5   5 VAL A   92  GLY A  110  1                                  19    
SHEET    1   A 2 MET A  33  TRP A  35  0                                        
SHEET    2   A 2 LYS A  89  GLU A  91 -1  N  ILE A  90   O  VAL A  34           
SSBOND   1 CYS A   29    CYS A   57                          1555   1555  2.02  
SSBOND   2 CYS A   45    CYS A   71                          1555   1555  2.03  
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