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(-) Description

Title :  E. COLI TRP APOREPORESSOR L75F MUTANT
 
Authors :  B. Benoff, J. Carey, H. M. Berman, C. L. Lawson
Date :  08 Jul 11  (Deposition) - 20 Jul 11  (Release) - 28 Dec 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.58
Chains :  Asym./Biol. Unit :  N,R
Keywords :  Helix-Turn-Helix Motif, Dna Binding, Trp Operator, Dna Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. Carey, B. Benoff, B. Harish, L. Yuan, C. L. Lawson
Environment-Dependent Long-Range Structural Distortion In A Temperature-Sensitive Point Mutant.
Protein Sci. V. 21 63 2012
PubMed-ID: 22057811  |  Reference-DOI: 10.1002/PRO.759

(-) Compounds

Molecule 1 - TRP OPERON REPRESSOR
    ChainsR, N
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    GeneB4393, JW4356, RTRY, TRPR
    MutationYES
    Organism ScientificESCHERICHIA COLI
    Organism Taxid83333
    StrainK12

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit NR

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1TAM1Ligand/IonTRIS(HYDROXYETHYL)AMINOMETHANE

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG N:54 , ILE N:57 , THR N:81 , ARG N:84 , GLY N:85 , SER N:88 , HOH N:335 , HOH N:337 , LEU R:41 , MET R:42 , LEU R:43 , HOH R:334BINDING SITE FOR RESIDUE TAM N 1

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3SSX)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3SSX)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3SSX)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3SSX)

(-) Exons   (0, 0)

(no "Exon" information available for 3SSX)

(-) 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 N from PDB  Type:PROTEIN  Length:99
 aligned with TRPR_ECOLI | P0A881 from UniProtKB/Swiss-Prot  Length:108

    Alignment length:99
                                    17        27        37        47        57        67        77        87        97         
           TRPR_ECOLI     8 SAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEELLRGEMSQRELKNELGAGIATITRGSNSLKAAPVELRQWLEEVLLK 106
               SCOP domains d3ssxn_ N: Trp repressor, TrpR                                                                      SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhh..hhhhhhhhhhhhhhhhhhh....hhhhhhhh...hhhhhhhhhhhhh..hhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------- Transcript
                 3ssx N   8 SAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEELLRGEMSQRELKNEFGAGIATITRGSNSLKAAPVELRQWLEEVLLK 106
                                    17        27        37        47        57        67        77        87        97         

Chain R from PDB  Type:PROTEIN  Length:102
 aligned with TRPR_ECOLI | P0A881 from UniProtKB/Swiss-Prot  Length:108

    Alignment length:102
                                    14        24        34        44        54        64        74        84        94       104  
           TRPR_ECOLI     5 SPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEELLRGEMSQRELKNELGAGIATITRGSNSLKAAPVELRQWLEEVLLK 106
               SCOP domains d3ssxr_ R: Trp repressor, TrpR                                                                         SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ....hhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhh..hhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhh..........hhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------ Transcript
                 3ssx R   5 SPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEELLRGEMSQRELKNEFGAGIATITRGSNSLKAAPVELRQWLEEVLLK 106
                                    14        24        34        44        54        64        74        84        94       104  

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  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  (1, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3SSX)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3SSX)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain N,R   (TRPR_ECOLI | P0A881)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0043565    sequence-specific DNA binding    Interacting selectively and non-covalently with DNA of a specific nucleotide composition, e.g. GC-rich DNA binding, or with a specific sequence motif or type of DNA e.g. promotor binding or rDNA binding.
    GO:0003700    transcription factor activity, sequence-specific DNA binding    Interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex.
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:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005622    intracellular    The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.

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 Related Entries

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

UniProtKB/Swiss-Prot
        TRPR_ECOLI | P0A8811co0 1jhg 1mi7 1rcs 1tro 1trr 1wrp 1wrs 1wrt 1zt9 2oz9 3ssw 3wrp

(-) Related Entries Specified in the PDB File

3ssw E. COLI TRP APOREPRESSOR