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(-)Asym./Biol. Unit
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(-) Description

Title :  CRYSTAL STRUCTURE OF THE N-TERMINAL DIMERISATION DOMAIN OF VICH, THE H-NS PROTEIN FROM VIBRIO CHOLERAE
 
Authors :  R. Cerdan, V. Bloch, S. T. Arold
Date :  26 Mar 03  (Deposition) - 25 Nov 03  (Release) - 16 Nov 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Dimer, Helix, Coiled-Coil, Dna Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. Cerdan, V. Bloch, Y. Yang, P. Bertin, C. Dumas, S. Rimsky, M. Kochoyan, S. T. Arold
The Crystal Structure Of The N-Terminal Dimerisation Domain Of Vich, The H-Ns-Like Protein Of Vibrio Cholerae
J. Mol. Biol. V. 334 179 2003
PubMed-ID: 14607110  |  Reference-DOI: 10.1016/J.JMB.2003.09.051

(-) Compounds

Molecule 1 - VICH PROTEIN
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET22B
    Expression System Strain: BL21 (DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: N-TERMINAL DOMAIN (RESIDUES 1-50)
    Gene: VICH
    Organism Scientific: VIBRIO CHOLERAE
    Organism Taxid: 666

 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 1OV9)

(-) Sites  (0, 0)

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(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1OV9)

(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1OV9)

(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 1OV9)

(-) 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:45
 aligned with Q9KSX6_VIBCH | Q9KSX6 from UniProtKB/TrEMBL  Length:137

    Alignment length:45
                                    14        24        34        44     
          Q9KSX6_VIBCH    5 EITKTLLNIRSLRAYARELTIEQLEEALDKLTTVVQERKEAEAEE 49
               SCOP domains d1ov9a_ A: H-NS-like protein VicH             SCOP domains
               CATH domains --------------------------------------------- CATH domains
               Pfam domains --------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------- PROSITE
                 Transcript --------------------------------------------- Transcript
                  1ov9 A  2 EITKTLLNIRSLRAYARELTIEQLEEALDKLTTVVQERKEAEAEE 46
                                    11        21        31        41     


Chain B from PDB  Type:PROTEIN  Length:48
 aligned with Q9KSX6_VIBCH | Q9KSX6 from UniProtKB/TrEMBL  Length:137

    Alignment length:48
                                    14        24        34        44        
          Q9KSX6_VIBCH    5 EITKTLLNIRSLRAYARELTIEQLEEALDKLTTVVQERKEAEAEEIAA 52
               SCOP domains d1ov9b_ B: H-NS-like protein VicH                SCOP domains
               CATH domains ------------------------------------------------ CATH domains
           Pfam domains (1) ---------------------Histone_HNS-1ov9B01       - Pfam domains (1)
           Pfam domains (2) ---------------------Histone_HNS-1ov9B02       - Pfam domains (2)
         Sec.struct. author hhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------ Transcript
                  1ov9 B  2 EITKTLLNIRSLRAYARELTIEQLEEALDKLTTVVQERKEAEAEEIAA 49
                                    11        21        31        41
   Legend:   → Mismatch (orange background)
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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
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1OV9)

(-) Pfam Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: Histone_HNS] (6)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (Q9KSX6_VIBCH | Q9KSX6)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0046983    protein dimerization activity    The formation of a protein dimer, a macromolecular structure consists of two noncovalently associated identical or nonidentical subunits.
biological process
    GO:0006323    DNA packaging    Any process in which DNA and associated proteins are formed into a compact, orderly structure.
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
    GO:0009297    pilus assembly    The assembly of a pilus, a short filamentous structure on a bacterial cell, flagella-like in structure and generally present in many copies. Pili are variously involved in transfer of nucleic acids, adherence to surfaces, and formation of pellicles. Is required for bacterial conjugation, or can play a role in adherence to surfaces (when it is called a fimbrium), and in the formation of pellicles.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
cellular component
    GO:0005694    chromosome    A structure composed of a very long molecule of DNA and associated proteins (e.g. histones) that carries hereditary information.
    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

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(-) Related Entries Specified in the PDB File

1lr1 SOLUTION STRUCTURE OF THE OLIGOMERIZATION DOMAIN OF THE BACTERIAL CHROMATIN-STRUCTURING PROTEIN H-NS
1ni8 SOLUTION STRUCTURE OF THE H-NS DIMERIZATION MOTIF