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(-) Description

Title :  FLEXIBILITY OF THE DNA-BINDING DOMAINS OF TRP REPRESSOR
 
Authors :  R. -G. Zhang, P. B. Sigler
Date :  01 Dec 87  (Deposition) - 16 Apr 88  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Dna Binding Regulatory Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. L. Lawson, R. G. Zhang, R. W. Schevitz, Z. Otwinowski, A. Joachimiak P. B. Sigler
Flexibility Of The Dna-Binding Domains Of Trp Repressor.
Proteins V. 3 18 1988
PubMed-ID: 3375234  |  Reference-DOI: 10.1002/PROT.340030103
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TRP REPRESSOR
    Chains: A
    Engineered: YES
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (2x): A

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 3WRP)

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1HTHAUTHORGLN A:68 , ARG A:69 , GLU A:70 , LEU A:71 , LYS A:72 , ASN A:73 , GLU A:74 , LEU A:75 , GLY A:76 , ALA A:77 , GLY A:78 , ILE A:79 , ALA A:80 , THR A:81 , ILE A:82 , THR A:83 , ARG A:84 , GLY A:85 , SER A:86 , ASN A:87 , SER A:88 , LEU A:89 , LYS A:90 , ALA A:91HELIX-TURN-HELIX DNA BINDING MOTIF

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

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(-) Exons   (0, 0)

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(-) 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:101
 aligned with TRPR_ECOLI | P0A881 from UniProtKB/Swiss-Prot  Length:108

    Alignment length:101
                                    17        27        37        47        57        67        77        87        97       107 
           TRPR_ECOLI     8 SAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEELLRGEMSQRELKNELGAGIATITRGSNSLKAAPVELRQWLEEVLLKSD 108
               SCOP domains d3wrpa_ A: Trp repressor, TrpR                                                                        SCOP domains
               CATH domains 3wrpA00 A:8-108 Trp Operon Repressor; Chain A                                                         CATH domains
               Pfam domains ---------Trp_repressor-3wrpA01 A:17-104                                                          ---- Pfam domains
         Sec.struct. author ....hhhhhhhhhhhhhhhhhhhh...hhhhhhhh...hhhhhhhhhhhhhhhhhh....hhhhhhh....hhhhhhhhhhhhh..hhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------- Transcript
                 3wrp A   8 SAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEELLRGEMSQRELKNELGAGIATITRGSNSLKAAPVELRQWLEEVLLKSD 108
                                    17        27        37        47        57        67        77        87        97       107
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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  (1, 1)

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

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (1, 1)

Asymmetric Unit
(-)
Clan: HTH (544)

(-) Gene Ontology  (8, 8)

Asymmetric Unit(hide GO term definitions)
Chain A   (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 | P0A881: 1co0 1jhg 1mi7 1rcs 1tro 1trr 1wrp 1wrs 1wrt 1zt9 2oz9 3ssw 3ssx

(-) Related Entries Specified in the PDB File

1wrp TRIGONAL FORM TRP REPRESSOR
2wrp ORTHORHOMBIC FORM TRP REPRESSOR