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(-) Description

Title :  TET REPRESSOR CLASS D IN COMPLEX WITH 7-CHLOR-2-CYANO-ISO-TETRACYCLINE
 
Authors :  G. Volkers, W. Hinrichs
Date :  18 Feb 10  (Deposition) - 02 Mar 11  (Release) - 01 Feb 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym./Biol. Unit :  A
Keywords :  Transcription, Transcription Regulation, Antibiotic Resistance (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  G. Volkers, L. Petruschka, W. Hinrichs
Recognition Of Drug Degradation Products By Target Proteins: Isotetracycline Binding To Tet Repressor.
J. Med. Chem. V. 54 5108 2011
PubMed-ID: 21699184  |  Reference-DOI: 10.1021/JM200332E

(-) Compounds

Molecule 1 - TETRACYCLINE REPRESSOR PROTEIN CLASS D
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PWH1590
    Expression System Strain: RB791
    Expression System Taxid: 562
    Fragment: DNA-BINDING DOMAIN, RESIDUES 3-208
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric/Biological Unit (2, 3)
No.NameCountTypeFull Name
12TC1Ligand/Ion(4S,4AS,6S,8AS)-6-[(1S)-7-CHLORO-4-HYDROXY-1-METHYL-3-OXO-1,3-DIHYDRO-2-BENZOFURAN-1-YL]-4-(DIMETHYLAMINO)-3,8A-DIHYDROXY-1,8-DIOXO-1,4,4A,5,6,7,8,8A-OCTAHYDRONAPHTHALENE-2-CARBONITRILE
2CL2Ligand/IonCHLORIDE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:64 , ASN A:82 , PHE A:86 , HIS A:100 , VAL A:113 , GLN A:116 , ILE A:134 , SER A:138 , HIS A:139 , HOH A:2021BINDING SITE FOR RESIDUE 2TC A1209
2AC2SOFTWARESER A:74BINDING SITE FOR RESIDUE CL A1210
3AC3SOFTWARELEU A:4 , GLN A:76 , ARG A:80 , HOH A:2042BINDING SITE FOR RESIDUE CL A1211

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2X6O)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2X6O)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2X6O)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_TETR_2PS50977 TetR-type HTH domain profile.TETR4_ECOLX3-63  1A:3-63
2HTH_TETR_1PS01081 TetR-type HTH domain signature.TETR4_ECOLX21-52  1A:21-52

(-) Exons   (0, 0)

(no "Exon" information available for 2X6O)

(-) Sequences/Alignments

Asymmetric/Biological 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:194
 aligned with TETR4_ECOLX | P0ACT4 from UniProtKB/Swiss-Prot  Length:218

    Alignment length:207
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       
          TETR4_ECOLX     2 ARLNRESVIDAALELLNETGIDGLTTRKLAQKLGIEQPTLYWHVKNKRALLDALAVEILARHHDYSLPAAGESWQSFLRNNAMSFRRALLRYRDGAKVHLGTRPDEKQYDTVETQLRFMTENGFSLRDGLYAISAVSHFTLGAVLEQQEHTAALTDRPAAPDENLPPLLREALQIMDSDDGEQAFLHGLESLIRGFEVQLTALLQIV 208
               SCOP domains d2x6oa1 A:2-67 Tetracyclin repressor (Tet-repressor, TetR)        d2x6oa2 A:68-208 Tetracyclin repressor (Tet-repressor, TetR)                                                                                  SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------TetR_N-2x6oA01 A:9-55                          ------------TetR_C-2x6oA02 A:68-201                                                                                                               ------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh.hhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhh...hhhhhhhh...hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhh-------------.hhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -HTH_TETR_2  PDB: A:3-63 UniProt: 3-63                        ------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) -------------------HTH_TETR_1  PDB: A:21-52        ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2x6o A   2 SRLNRESVIDAALELLNETGIDGLTTRKLAQKLGIEQPTLYWHVKNKRALLDALAVEILARHHDYSLPAAGESWQSFLRNNAMSFRRALLRYRDGAKVHLGTRPDEKQYDTVETQLRFMTENGFSLRDGLYAISAVSHFTLGAVLEQQEHT-------------LPPLLREALQIMDSDDGEQAFLHGLESLIRGFEVQLTALLQIV 208
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151|        -    |  171       181       191       201       
                                                                                                                                                                                152           166
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (2, 2)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2X6O)

(-) Pfam Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Clan: HTH (544)
(-)
Clan: TetR_C (33)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (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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 Related Entries

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

UniProtKB/Swiss-Prot
        TETR4_ECOLX | P0ACT4: 1a6i 1bjz 1ork 1qpi 2fj1 2ns7 2ns8 2o7o 2tct 2trt 2vke 2vkv 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

1a6i TET REPRESSOR, CLASS D VARIANT
1bj0 TETRACYCLINE CHELATED MG2+ -ION INITIATES HELIX UNWINDING FOR TET REPRESSOR INDUCTION
1bjy TETRACYCLINE CHELATED MG2+ -ION INITIATES HELIX UNWINDING FOR TET REPRESSOR INDUCTION
1bjz TETRACYCLINE CHELATED MG2+ -ION INITIATES HELIX UNWINDING FOR TET REPRESSOR INDUCTION
1du7 CRYSTAL STRUCTURE OF TET REPRESSOR CLASS D WITH 4- EPI- TETRACYCLINE
1ork TET REPRESSOR, CLASS D IN COMPLEX WITH 9-(N,N- DIMETHYLGLYCYLAMIDO)-6-DEMETHYL-6-DEOXY-TETRACYCLINE
1qpi CRYSTAL STRUCTURE OF TETRACYCLINE REPRESSOR/OPERATOR COMPLEX
2tct MOL_ID: 1; MOLECULE: TETRACYCLINE REPRESSOR; CHAIN: NULL ; SYNONYM: TET REPRESSOR, CLASS D; ENGINEERED: YES
2trt TETRACYCLINE REPRESSOR CLASS D
2vke TET REPRESSOR CLASS D COMPLEXED WITH COBALT AND TETRACYCLINE
2vkv TETR (BD) VARIANT L17G WITH REVERSE PHENOTYPE
2x9d TET REPRESSOR (CLASS D) IN COMPLEX WITH ISO-7- CHLORTETRACYCLINE
2xb5 TET REPRESSOR (CLASS D) IN COMPLEX WITH 7- IODOTETRACYCLINE
2xgc CRYSTAL STRUCTURE OF A DESIGNED HETERODIMERIC VARIANT T -A(I)B OF THE TETRACYCLINE REPRESSOR
2xgd CRYSTAL STRUCTURE OF A DESIGNED HOMODIMERIC VARIANT T- A(L)A(L) OF THE TETRACYCLINE REPRESSOR
2xge CRYSTAL STRUCTURE OF A DESIGNED HETERODIMERIC VARIANT T -A(A)B OF THE TETRACYCLINE REPRESSOR
2xps TETR(D) IN COMPLEX WITH ANHYDROTETRACYCLINE AND MAGNESIUM
2xpt TETR(D) IN COMPLEX WITH MINOCYCLINE AND MAGNESIUM.
2xpu TETR(D) IN COMPLEX WITH ANHYDROTETRACYCLINE.
2xpv TETR(D) IN COMPLEX WITH MINOCYCLINE AND MG.
2xpw TETR(D) IN COMPLEX WITH OXYTETRACYCLINE AND MAGNESIUM.
2xrl TET-REPRESSOR CLASS D T103A WITH DOXYCYCLINE