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(-) Description

Title :  C-TERMINAL DOMAIN OF THE TRANSCRIPTIONAL REPRESSOR PROTEIN KORB
 
Authors :  H. Delbruck, U. Heinemann
Date :  18 Apr 01  (Deposition) - 27 Feb 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Sh3 Domain, Dimerization Domain, Transcription (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. Delbruck, G. Ziegelin, E. Lanka, U. Heinemann
An Src Homology 3-Like Domain Is Responsible For Dimerization Of The Repressor Protein Korb Encoded By The Promiscuous Incp Plasmid Rp4.
J. Biol. Chem. V. 277 4191 2002
PubMed-ID: 11711548  |  Reference-DOI: 10.1074/JBC.M110103200
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TRANSCRIPTIONAL REPRESSOR PROTEIN KORB
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: C-TERMINAL DOMAIN
    Gene: KORB
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

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

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

(-) Sites  (0, 0)

(no "Site" information available for 1IGU)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1IGU)

(-) 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:59
 aligned with KORB2_ECOLX | P07674 from UniProtKB/Swiss-Prot  Length:358

    Alignment length:59
                                   309       319       329       339       349         
          KORB2_ECOLX   300 DPDKLKKAIVQVEHDERPARLILNRRPPAEGYAWLKYEDDGQEFEANLADVKLVALIEG 358
               SCOP domains d1igua_ A: Transcriptional repressor protein KorB           SCOP domains
               CATH domains 1iguA00 A:300-358  [code=2.30.30.150, no name defined]      CATH domains
               Pfam domains ----------------------------------------------------------- Pfam domains
         Sec.struct. author .......eeeeeee..eeeee..........eeeeee.....eeeee.hhheeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------- Transcript
                 1igu A 300 DPDKLKKAIVQVEHDERPARLILNRRPPAEGYAWLKYEDDGQEFEANLADVKLVALIEG 358
                                   309       319       329       339       349         


Chain B from PDB  Type:PROTEIN  Length:60
 aligned with KORB2_ECOLX | P07674 from UniProtKB/Swiss-Prot  Length:358

    Alignment length:60
                                   308       318       328       338       348       358
          KORB2_ECOLX   299 PDPDKLKKAIVQVEHDERPARLILNRRPPAEGYAWLKYEDDGQEFEANLADVKLVALIEG 358
               SCOP domains d1igub_ B: Transcriptional repressor protein KorB            SCOP domains
               CATH domains 1iguB00 B:299-358  [code=2.30.30.150, no name defined]       CATH domains
               Pfam domains ------------------------------------------------------------ Pfam domains
         Sec.struct. author ........eeeeeee..eeeee..........eeeeee.....eeeee.hhheeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------ Transcript
                 1igu B 299 PDPDKLKKAIVQVEHDERPARLILNRRPPAEGYAWLKYEDDGQEFEANLADVKLVALIEG 358
                                   308       318       328       338       348       358
   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)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1IGU)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (KORB2_ECOLX | P07674)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
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.

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  1igu
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 Related Entries

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

UniProtKB/Swiss-Prot
        KORB2_ECOLX | P07674: 1igq 1r71

(-) Related Entries Specified in the PDB File

1igq 1IGQ IS THE SAME STRUCTURE IN ANOTHER SPACE GROUP