HEADER    TRANSCRIPTION                           31-DEC-69   2XGE
TITLE     Crystal structure of a designed heterodimeric variant T-A(A)B of the
TITLE   2 tetracycline repressor
COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: TETRACYCLINE REPRESSOR PROTEIN CLASS B FROM TRANSPOSON
COMPND   3 TN10, TETRACYCLINE REPRESSOR PROTEIN CLASS D;
COMPND   4 CHAIN: A;
COMPND   5 RESIDUES ;
COMPND   6 ENGINEERED: YES;
COMPND   7 MOL_ID: 2;
COMPND   8 TETRACYCLINE REPRESSOR PROTEIN CLASS B FROM TRANSPOSON
COMPND   9 TN10, TETRACYCLINE REPRESSOR PROTEIN CLASS D;
COMPND   10 CHAIN: B;
COMPND   11 MUTATION: YES;
COMPND   12 RESIDUES ;
COMPND   13 ENGINEERED: YES;
EXPDTA     X-RAY DIFFRACTION
REMARK   2 RESOLUTION.    2.14 ANGSTORMS
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     THR B   155
REMARK 465     ALA B   156
REMARK 465     ALA B   157
REMARK 465     LEU B   158
REMARK 465     THR B   159
REMARK 465     ASP B   160
REMARK 465     ARG B   161
REMARK 465     PRO B   162
REMARK 465     ALA B   163
REMARK 465     ALA B   164
REMARK 465     PRO B   165
REMARK 465     ASP B   166
REMARK 465     GLU B   167
REMARK 465     ASN B   168
DBREF  2XGE A    1    50  UNP    P04483   TETR2_ECOLX      1     50
DBREF  2XGE A   51   208  UNP    P0ACT4   TETR4_ECOLX     51    208
DBREF  2XGE B    1    50  UNP    P04483   TETR2_ECOLX      1     50
DBREF  2XGE B   51   208  UNP    P0ACT4   TETR4_ECOLX     51    208
SEQRES   1 B  141  LEU PRO ALA ALA GLY GLU SER TRP GLN SER PHE LEU ARG
SEQRES   2 B  141  ASN ASN ALA MET SER PHE ARG ARG ALA LEU LEU ARG TYR
SEQRES   3 B  141  ARG ASP GLY ALA LYS VAL HIS LEU GLY THR ARG PRO ASP
SEQRES   4 B  141  GLU LYS GLN TYR ASP THR VAL GLU THR GLN LEU ARG PHE
SEQRES   5 B  141  MET THR GLU ASN GLY PHE SER LEU ARG ASP GLY LEU TYR
SEQRES   6 B  141  ALA ILE SER ALA VAL SER HIS ALA THR LEU GLY ALA VAL
SEQRES   7 B  141  LEU GLU GLN GLN GLU HIS THR ALA ALA LEU THR ASP ARG
SEQRES   8 B  141  PRO ALA ALA PRO ASP GLU ASN LEU PRO PRO LEU LEU ARG
SEQRES   9 B  141  GLU ALA LEU GLN ILE MET ASP SER ASP ASP GLY GLU GLN
SEQRES  10 B  141  ALA PHE LEU HIS GLY LEU GLU TRP LEU ILE ARG GLY PHE
SEQRES  11 B  141  GLU VAL GLN LEU THR ALA LEU LEU GLN ILE VAL        
ATOM      1  C1  EDO B 592      44.313  23.610  34.934  1.00 81.85
ATOM      2  O1  EDO B 592      44.622  22.472  34.113  1.00 82.33
ATOM      3  C2  EDO B 592      45.403  23.801  35.984  1.00 81.40
ATOM      4  O2  EDO B 592      44.984  24.754  36.968  1.00 81.28
ATOM      5  NA  NA  B 593      24.471  37.670  28.464  1.00 62.63
TER