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(-) Description

Title :  AVERAGED NMR MODEL OF SWITCH ARC, A DOUBLE MUTANT OF ARC REPRESSOR
 
Authors :  M. H. J. Cordes, N. P. Walsh, C. J. Mcknight, R. T. Sauer
Date :  27 Jun 99  (Deposition) - 12 Jul 99  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B
Keywords :  Beta-Sheet, Right-Handed Helix, Structural Change, Gene Regulation (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. H. Cordes, N. P. Walsh, C. J. Mcknight, R. T. Sauer
Evolution Of A Protein Fold In Vitro.
Science V. 284 325 1999
PubMed-ID: 10195898  |  Reference-DOI: 10.1126/SCIENCE.284.5412.325
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ARC REPRESSOR
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET800-SWITCH_ARC
    Expression System Taxid: 562
    Expression System Vector: PLASMID
    Mutation: YES
    Organism Scientific: ENTEROBACTERIA PHAGE P22
    Organism Taxid: 10754
    Other Details: MUTATED SYNTHETIC ARC GENE

 Structural Features

(-) Chains, Units

  
NMR Structure : 

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1QTG)

(-) Sites  (0, 0)

(no "Site" information available for 1QTG)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1QTG)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1QTG)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1QTG)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1QTG)

(-) Exons   (0, 0)

(no "Exon" information available for 1QTG)

(-) Sequences/Alignments

NMR Structure
   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:53
 aligned with RARC_BPP22 | P03050 from UniProtKB/Swiss-Prot  Length:53

    Alignment length:53
                                    10        20        30        40        50   
            RARC_BPP22    1 MKGMSKMPQFNLRWPREVLDLVRKVAEENGRSVNSEIYQRVMESFKKEGRIGA 53
               SCOP domains d1qtga_ A: Arc repressor                              SCOP domains
               CATH domains 1qtgA00 A:1-53 Met repressor-like                     CATH domains
               Pfam domains ----------------------------------------------------- Pfam domains
         Sec.struct. author .........hhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------- Transcript
                  1qtg A  1 MKGMSKMPQFLNRWPREVLDLVRKVAEENGRSVNSEIYQRVMESFKKEGRIGA 53
                                    10        20        30        40        50   


Chain B from PDB  Type:PROTEIN  Length:53
 aligned with RARC_BPP22 | P03050 from UniProtKB/Swiss-Prot  Length:53

    Alignment length:53
                                    10        20        30        40        50   
            RARC_BPP22    1 MKGMSKMPQFNLRWPREVLDLVRKVAEENGRSVNSEIYQRVMESFKKEGRIGA 53
               SCOP domains d1qtgb_ B: Arc repressor                              SCOP domains
               CATH domains 1qtgB00 B:1-53 Met repressor-like                     CATH domains
           Pfam domains (1) ---Arc-1qtgB01 B:4-53                                 Pfam domains (1)
           Pfam domains (2) ---Arc-1qtgB02 B:4-53                                 Pfam domains (2)
         Sec.struct. author .........hhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------- Transcript
                  1qtg B  1 MKGMSKMPQFLNRWPREVLDLVRKVAEENGRSVNSEIYQRVMESFKKEGRIGA 53
                                    10        20        30        40        50
   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  (1, 2)

NMR Structure
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (1, 2)

NMR Structure
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (1, 2)

NMR Structure
(-)
Clan: Met_repress (26)

(-) Gene Ontology  (3, 3)

NMR Structure(hide GO term definitions)
Chain A,B   (RARC_BPP22 | P03050)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
biological process
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        RARC_BPP22 | P03050: 1arq 1arr 1b28 1baz 1bdt 1bdv 1myk 1myl 1nla 1par 1u9p

(-) Related Entries Specified in the PDB File

1arr THE MINIMIZED AVERAGE SOLUTION STRUCTURE OF WILD-TYPE ARC REPRESSOR
1par THE CRYSTAL STRUCTURE OF WILD-TYPE ARC BOUND TO OPERATOR DNA