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(-) Description

Title :  HOW AN IN VITRO SELECTED PEPTIDE MIMICS THE ANTIBIOTIC TETRACYCLINE TO INDUCE TET REPRESSOR
 
Authors :  S. R. Luckner, M. Klotzsche, C. Berens, W. Hillen, Y. A. Muller
Date :  03 Nov 06  (Deposition) - 24 Jul 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.40
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Keywords :  Transcription Regulator, Helix-Turn-Helix, Transcription (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. R. Luckner, M. Klotzsche, C. Berens, W. Hillen, Y. A. Muller
How An Agonist Peptide Mimics The Antibiotic Tetracycline T Induce Tet-Repressor
J. Mol. Biol. V. 368 780 2007
PubMed-ID: 17374541  |  Reference-DOI: 10.1016/J.JMB.2007.02.030

(-) Compounds

Molecule 1 - TETRACYCLINE REPRESSOR PROTEIN
    Chains: A, B, C, D
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PWH610
    Expression System Strain: RB791
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: TETR
    Mutation: YES
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 83333
    Other Details: RESIDUES 1-187 ARE FROM VARIANT B, RESIDUES 188-208 ARE FROM VARIANT D
    Strain: K12

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : ABCD
Biological Unit 1 (1x): AB  
Biological Unit 2 (1x):   CD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 2NS7)

(-) Sites  (0, 0)

(no "Site" information available for 2NS7)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2NS7)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2NS7)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2NS7)

(-) PROSITE Motifs  (2, 5)

Asymmetric Unit (2, 5)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_TETR_2PS50977 TetR-type HTH domain profile.TETR2_ECOLX3-63  1B:3-63
TETR4_ECOLX3-63  1B:3-63
2HTH_TETR_1PS01081 TetR-type HTH domain signature.TETR2_ECOLX21-52
 
 
 		  4A:21-52
B:21-52
C:21-52
D:21-52
TETR4_ECOLX21-52
 
 		  3B:21-52
C:21-52
D:21-52
Biological Unit 1 (2, 5)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_TETR_2PS50977 TetR-type HTH domain profile.TETR2_ECOLX3-63  1B:3-63
TETR4_ECOLX3-63  1B:3-63
2HTH_TETR_1PS01081 TetR-type HTH domain signature.TETR2_ECOLX21-52
 
 
 		  2A:21-52
B:21-52
-
-
TETR4_ECOLX21-52
 
 		  1B:21-52
-
-
Biological Unit 2 (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_TETR_2PS50977 TetR-type HTH domain profile.TETR2_ECOLX3-63  0-
TETR4_ECOLX3-63  0-
2HTH_TETR_1PS01081 TetR-type HTH domain signature.TETR2_ECOLX21-52
 
 
 		  2-
-
C:21-52
D:21-52
TETR4_ECOLX21-52
 
 		  2-
C:21-52
D:21-52

(-) Exons   (0, 0)

(no "Exon" information available for 2NS7)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:196
 aligned with TETR2_ECOLX | P04483 from UniProtKB/Swiss-Prot  Length:207

    Alignment length:202
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204  
          TETR2_ECOLX     5 DKSKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMLDRHHTHFCPLEGESWQDFLRNNAKSFRCALLSHRDGAKVHLGTRPTEKQYETLENQLAFLCQQGFSLENALYALSAVGHFTLGCVLEDQEHQVAKEERETPTTDSMPPLLRQAIELFDHQGAEPAFLFGLELIICGLEKQLKCESG 206
               SCOP domains d2ns7a1 A:5-67 Tetracyclin repressor (Tet-repressor, TetR)     d2ns7a2 A:68-206 Tetracyclin repressor (Tet-repressor, TetR)                                                                                SCOP domains
               CATH domains 2ns7A01 A:5-66 Homeodomain-like                               2ns7A02 A:67-206 Tetracycline Repressor, domain 2                                                                                            CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhh...hhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.------.....hhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) HTH_TETR_2  PDB: - UniProt: 3-63                           ----------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) ----------------HTH_TETR_1  PDB: A:21-52        ---------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (4)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ns7 A   5 DKSKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMLDRHHTHFSPLEGESWQDFLRNNAKSFRNALLSHRDGAKVHLGTRPTEKQYETLENQLAFLTQQGFSLENALYALSAVGHFTLGSVLEDQEHQVAK------TTDSMPPLLRQAIELFDHQGAEPAFLHGLESLIRGFEVQLTALLQ 206
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154|      164       174       184       194       204  
                                                                                                                                                                                155    162                                            


Chain B from PDB  Type:PROTEIN  Length:194
 aligned with TETR2_ECOLX | P04483 from UniProtKB/Swiss-Prot  Length:207

    Alignment length:202
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202  
          TETR2_ECOLX     3 RLDKSKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMLDRHHTHFCPLEGESWQDFLRNNAKSFRCALLSHRDGAKVHLGTRPTEKQYETLENQLAFLCQQGFSLENALYALSAVGHFTLGCVLEDQEHQVAKEERETPTTDSMPPLLRQAIELFDHQGAEPAFLFGLELIICGLEKQLKCE 204
               SCOP domains d2ns7b1 B:3-67 Tetracyclin repressor (Tet-repressor, TetR)       d2ns7b2 B:68-204 Tetracyclin repressor (Tet-repressor, TetR)                                                                              SCOP domains
               CATH domains 2ns7B01 B:3-66 Homeodomain-like                                 2ns7B02 B:67-204 Tetracycline Repressor, domain 2                                                                                          CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhh.hhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh--------...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) HTH_TETR_2  PDB: B:3-63 UniProt: 3-63                        --------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) ------------------HTH_TETR_1  PDB: B:21-52        -------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (4)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ns7 B   3 RLDKSKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMLDRHHTHFSPLEGESWQDFLRNNAKSFRNALLSHRDGAKVHLGTRPTEKQYETLENQLAFLTQQGFSLENALYALSAVGHFTLGSVLEDQEHQVAK--------DSMPPLLRQAIELFDHQGAEPAFLHGLESLIRGFEVQLTAL 204
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152  |      - |     172       182       192       202  
                                                                                                                                                                                  155      164                                        


Chain B from PDB  Type:PROTEIN  Length:194
 aligned with TETR4_ECOLX | P0ACT4 from UniProtKB/Swiss-Prot  Length:218

    Alignment length:202
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202  
          TETR4_ECOLX     3 RLNRESVIDAALELLNETGIDGLTTRKLAQKLGIEQPTLYWHVKNKRALLDALAVEILARHHDYSLPAAGESWQSFLRNNAMSFRRALLRYRDGAKVHLGTRPDEKQYDTVETQLRFMTENGFSLRDGLYAISAVSHFTLGAVLEQQEHTAALTDRPAAPDENLPPLLREALQIMDSDDGEQAFLHGLESLIRGFEVQLTAL 204
               SCOP domains d2ns7b1 B:3-67 Tetracyclin repressor (Tet-repressor, TetR)       d2ns7b2 B:68-204 Tetracyclin repressor (Tet-repressor, TetR)                                                                              SCOP domains
               CATH domains 2ns7B01 B:3-66 Homeodomain-like                                 2ns7B02 B:67-204 Tetracycline Repressor, domain 2                                                                                          CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhh.hhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh--------...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) HTH_TETR_2  PDB: B:3-63 UniProt: 3-63                        --------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ------------------HTH_TETR_1  PDB: B:21-52        -------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ns7 B   3 RLDKSKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMLDRHHTHFSPLEGESWQDFLRNNAKSFRNALLSHRDGAKVHLGTRPTEKQYETLENQLAFLTQQGFSLENALYALSAVGHFTLGSVLEDQEHQVAK--------DSMPPLLRQAIELFDHQGAEPAFLHGLESLIRGFEVQLTAL 204
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152  |      - |     172       182       192       202  
                                                                                                                                                                                  155      164                                        


Chain C from PDB  Type:PROTEIN  Length:190
 aligned with TETR2_ECOLX | P04483 from UniProtKB/Swiss-Prot  Length:207

    Alignment length:196
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196      
          TETR2_ECOLX     7 SKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMLDRHHTHFCPLEGESWQDFLRNNAKSFRCALLSHRDGAKVHLGTRPTEKQYETLENQLAFLCQQGFSLENALYALSAVGHFTLGCVLEDQEHQVAKEERETPTTDSMPPLLRQAIELFDHQGAEPAFLFGLELIICGLEKQLK 202
               SCOP domains d2ns7c1 C:7-67 Tetracyclin repressor (Tet-repressor, TetR)   d2ns7c2 C:68-202 Tetracyclin repressor (Tet-repressor, TetR)                                                                            SCOP domains
               CATH domains 2ns7C01 C:7-66 Homeodomain-like                             2ns7C02 C:67-202 Tetracycline Repressor, domain 2                                                                                        CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh.hhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.------hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) HTH_TETR_2  PDB: - UniProt: 3-63                         ------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) --------------HTH_TETR_1  PDB: C:21-52        ------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (4)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ns7 C   7 SKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMLDRHHTHFSPLEGESWQDFLRNNAKSFRNALLSHRDGAKVHLGTRPTEKQYETLENQLAFLTQQGFSLENALYALSAVGHFTLGSVLEDQEHQVAK------TTDSMPPLLRQAIELFDHQGAEPAFLHGLESLIRGFEVQLT 202
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146        |-     | 166       176       186       196      
                                                                                                                                                                              155    162                                        


Chain C from PDB  Type:PROTEIN  Length:190
 aligned with TETR4_ECOLX | P0ACT4 from UniProtKB/Swiss-Prot  Length:218

    Alignment length:196
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196      
          TETR4_ECOLX     7 ESVIDAALELLNETGIDGLTTRKLAQKLGIEQPTLYWHVKNKRALLDALAVEILARHHDYSLPAAGESWQSFLRNNAMSFRRALLRYRDGAKVHLGTRPDEKQYDTVETQLRFMTENGFSLRDGLYAISAVSHFTLGAVLEQQEHTAALTDRPAAPDENLPPLLREALQIMDSDDGEQAFLHGLESLIRGFEVQLT 202
               SCOP domains d2ns7c1 C:7-67 Tetracyclin repressor (Tet-repressor, TetR)   d2ns7c2 C:68-202 Tetracyclin repressor (Tet-repressor, TetR)                                                                            SCOP domains
               CATH domains 2ns7C01 C:7-66 Homeodomain-like                             2ns7C02 C:67-202 Tetracycline Repressor, domain 2                                                                                        CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh.hhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.------hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) HTH_TETR_2  PDB: - UniProt: 3-63                         ------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) --------------HTH_TETR_1  PDB: C:21-52        ------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (3)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ns7 C   7 SKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMLDRHHTHFSPLEGESWQDFLRNNAKSFRNALLSHRDGAKVHLGTRPTEKQYETLENQLAFLTQQGFSLENALYALSAVGHFTLGSVLEDQEHQVAK------TTDSMPPLLRQAIELFDHQGAEPAFLHGLESLIRGFEVQLT 202
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146        |-     | 166       176       186       196      
                                                                                                                                                                              155    162                                        


Chain D from PDB  Type:PROTEIN  Length:178
 aligned with TETR2_ECOLX | P04483 from UniProtKB/Swiss-Prot  Length:207

    Alignment length:202
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203  
          TETR2_ECOLX     4 LDKSKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMLDRHHTHFCPLEGESWQDFLRNNAKSFRCALLSHRDGAKVHLGTRPTEKQYETLENQLAFLCQQGFSLENALYALSAVGHFTLGCVLEDQEHQVAKEERETPTTDSMPPLLRQAIELFDHQGAEPAFLFGLELIICGLEKQLKCES 205
               SCOP domains d2ns7d1 D:4-67 Tetracyclin repressor (Tet-repressor, TetR)      d2ns7d2 D:68-205 Tetracyclin repressor (Tet-repressor, TetR)                                                                               SCOP domains
               CATH domains 2ns7D01 D:4-66 Homeodomain-like                                2ns7D02 D:67-205 Tetracycline Repressor, domain 2                                                                                           CATH domains
           Pfam domains (1) -----TetR_N-2ns7D01 D:9-55                          ------------TetR_C-2ns7D05 D:68-187                                                                                                 TetR_C-2ns7D09---- Pfam domains (1)
           Pfam domains (2) -----TetR_N-2ns7D02 D:9-55                          ------------TetR_C-2ns7D06 D:68-187                                                                                                 TetR_C-2ns7D10---- Pfam domains (2)
           Pfam domains (3) -----TetR_N-2ns7D03 D:9-55                          ------------TetR_C-2ns7D07 D:68-187                                                                                                 TetR_C-2ns7D11---- Pfam domains (3)
           Pfam domains (4) -----TetR_N-2ns7D04 D:9-55                          ------------TetR_C-2ns7D08 D:68-187                                                                                                 TetR_C-2ns7D12---- Pfam domains (4)
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhh...hhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhh..------------------------.hhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) HTH_TETR_2  PDB: - UniProt: 3-63                            ---------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) -----------------HTH_TETR_1  PDB: D:21-52        --------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (4)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ns7 D   4 LDKSKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMLDRHHTHFSPLEGESWQDFLRNNAKSFRNALLSHRDGAKVHLGTRPTEKQYETLENQLAFLTQQGFSLENALYALSAVGHFTLGSVLEDQEHQVAKE------------------------GAEPAFLHGLESLIRGFEVQLTALL 205
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153  |      -         -       183       193       203  
                                                                                                                                                                                  156                      181                        


Chain D from PDB  Type:PROTEIN  Length:178
 aligned with TETR4_ECOLX | P0ACT4 from UniProtKB/Swiss-Prot  Length:218

    Alignment length:202
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203  
          TETR4_ECOLX     4 LNRESVIDAALELLNETGIDGLTTRKLAQKLGIEQPTLYWHVKNKRALLDALAVEILARHHDYSLPAAGESWQSFLRNNAMSFRRALLRYRDGAKVHLGTRPDEKQYDTVETQLRFMTENGFSLRDGLYAISAVSHFTLGAVLEQQEHTAALTDRPAAPDENLPPLLREALQIMDSDDGEQAFLHGLESLIRGFEVQLTALL 205
               SCOP domains d2ns7d1 D:4-67 Tetracyclin repressor (Tet-repressor, TetR)      d2ns7d2 D:68-205 Tetracyclin repressor (Tet-repressor, TetR)                                                                               SCOP domains
               CATH domains 2ns7D01 D:4-66 Homeodomain-like                                2ns7D02 D:67-205 Tetracycline Repressor, domain 2                                                                                           CATH domains
           Pfam domains (1) -----TetR_N-2ns7D01 D:9-55                          ------------TetR_C-2ns7D05 D:68-187                                                                                                 TetR_C-2ns7D09---- Pfam domains (1)
           Pfam domains (2) -----TetR_N-2ns7D02 D:9-55                          ------------TetR_C-2ns7D06 D:68-187                                                                                                 TetR_C-2ns7D10---- Pfam domains (2)
           Pfam domains (3) -----TetR_N-2ns7D03 D:9-55                          ------------TetR_C-2ns7D07 D:68-187                                                                                                 TetR_C-2ns7D11---- Pfam domains (3)
           Pfam domains (4) -----TetR_N-2ns7D04 D:9-55                          ------------TetR_C-2ns7D08 D:68-187                                                                                                 TetR_C-2ns7D12---- Pfam domains (4)
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhh...hhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhh..------------------------.hhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) HTH_TETR_2  PDB: - UniProt: 3-63                            ---------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) -----------------HTH_TETR_1  PDB: D:21-52        --------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ns7 D   4 LDKSKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMLDRHHTHFSPLEGESWQDFLRNNAKSFRNALLSHRDGAKVHLGTRPTEKQYETLENQLAFLTQQGFSLENALYALSAVGHFTLGSVLEDQEHQVAKE------------------------GAEPAFLHGLESLIRGFEVQLTALL 205
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153  |      -         -       183       193       203  
                                                                                                                                                                                  156                      181
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (2, 8)

Asymmetric Unit
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (2, 8)

Asymmetric Unit
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (2, 12)

Asymmetric Unit
(-)
Clan: HTH (544)
(-)
Clan: TetR_C (33)
(-)
Family: TetR_C (16)
(-)
Escherichia coli (12)
2aTetR_C-2ns7D05D:68-187
2bTetR_C-2ns7D06D:68-187
2cTetR_C-2ns7D07D:68-187
2dTetR_C-2ns7D08D:68-187
2eTetR_C-2ns7D09D:188-201
2fTetR_C-2ns7D10D:188-201
2gTetR_C-2ns7D11D:188-201
2hTetR_C-2ns7D12D:188-201

(-) Gene Ontology  (6, 12)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (TETR2_ECOLX | P04483)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0045892    negative regulation of transcription, DNA-templated    Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0046677    response to antibiotic    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.

Chain B,C,D   (TETR4_ECOLX | P0ACT4)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0045892    negative regulation of transcription, DNA-templated    Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0046677    response to antibiotic    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.

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  2ns7
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  TETR2_ECOLX | P04483
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  TETR4_ECOLX | P0ACT4
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        TETR2_ECOLX | P04483: 2ns8 2vkv 2xgc 2xgd 2xge 3fk6 3fk7 3zqf 3zqg 3zqh 3zqi 4ac0
        TETR4_ECOLX | P0ACT4: 1a6i 1bjz 1ork 1qpi 2fj1 2ns8 2o7o 2tct 2trt 2vke 2vkv 2x6o 2x9d 2xb5 2xgc 2xgd 2xge 2xpu 2xpv 2xpw 2xrl 3fk6 3fk7 3zqf 3zqg 3zqh 3zqi 4abz 4aux 4b1r 4b3a 4d7m 4d7n 4v2f 4v2g 5fkk 5fkl 5fkm 5fkn 5fko

(-) Related Entries Specified in the PDB File

1qpi CRYSTAL STRUCTURE OF TETRACYCLINE REPRESSOR/OPERATOR COMPLEX
2ns8
2tct THE COMPLEX FORMED BETWEEN TET REPRESSOR AND TETRACYCLINE- MG2+ REVEALS MECHANISM OF ANTIBIOTIC RESISTANCE