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(-) Description

Title :  SOLUTION STRUCTURE OF THE OLIGOMERIZATION DOMAIN OF THE BACTERIAL CHROMATIN-STRUCTURING PROTEIN H-NS
 
Authors :  D. Esposito, A. Petrovic, R. Harris, S. Ono, J. Eccleston, A. Mbabaali, I. Haq, C. F. Higgins, J. C. D. Hinton, P. C. Driscoll, J. E. Ladbury
Date :  14 May 02  (Deposition) - 14 Jan 03  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B  (20x)
Keywords :  Chromatin, Coiled-Coil, Dna Packaging, Nucleoid Assembly, Dna Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. Esposito, A. Petrovic, R. Harris, S. Ono, J. Eccleston, A. Mbabaali, I. Haq, C. F. Higgins, J. C. Hinton, P. C. Driscoll, J. E. Ladbury
H-Ns Oligomerization Domain Structure Reveals The Mechanism For High Order Self-Association Of The Intact Protein
J. Mol. Biol. V. 324 841 2002
PubMed-ID: 12460581  |  Reference-DOI: 10.1016/S0022-2836(02)01141-5
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - DNA-BINDING PROTEIN H-NS
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET14B
    Expression System Strain: BL21(LAMBDA DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: N-TERMINAL DOMAIN (RESIDUES 1-57)
    Gene: HNS
    Mutation: YES
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Synonym: HISTONE-LIKE PROTEIN HLP-II, PROTEIN H1, PROTEIN B1

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1LR1)

(-) Sites  (0, 0)

(no "Site" information available for 1LR1)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1LR1)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1LR1)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1LR1)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1LR1)

(-) Exons   (0, 0)

(no "Exon" information available for 1LR1)

(-) 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:57
 aligned with HNS_ECOLI | P0ACF8 from UniProtKB/Swiss-Prot  Length:137

    Alignment length:57
                                    11        21        31        41        51       
             HNS_ECOLI    2 SEALKILNNIRTLRAQARECTLETLEEMLEKLEVVVNERREEESAAAAEVEERTRKL 58
               SCOP domains d1lr1a_ A: H1 protein (H-NS)                              SCOP domains
               CATH domains --------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------- Transcript
                  1lr1 A  1 SEALKILNNIRTLRAQARESTLETLEEMLEKLEVVVNERREEESAAAAEVEERTRKL 57
                                    10        20        30        40        50       


Chain B from PDB  Type:PROTEIN  Length:57
 aligned with HNS_ECOLI | P0ACF8 from UniProtKB/Swiss-Prot  Length:137

    Alignment length:57
                                    11        21        31        41        51       
             HNS_ECOLI    2 SEALKILNNIRTLRAQARECTLETLEEMLEKLEVVVNERREEESAAAAEVEERTRKL 58
               SCOP domains d1lr1b_ B: H1 protein (H-NS)                              SCOP domains
               CATH domains --------------------------------------------------------- CATH domains
           Pfam domains (1) ----------------------Histone_HNS-1lr1B01 B:23-56       - Pfam domains (1)
           Pfam domains (2) ----------------------Histone_HNS-1lr1B02 B:23-56       - Pfam domains (2)
         Sec.struct. author hhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------- Transcript
                  1lr1 B  1 SEALKILNNIRTLRAQARESTLETLEEMLEKLEVVVNERREEESAAAAEVEERTRKL 57
                                    10        20        30        40        50
   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)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1LR1)

(-) Pfam Domains  (1, 2)

NMR Structure
(-)
Clan: no clan defined [family: Histone_HNS] (6)

(-) Gene Ontology  (10, 10)

NMR Structure(hide GO term definitions)
Chain A,B   (HNS_ECOLI | P0ACF8)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0003681    bent DNA binding    Interacting selectively and non-covalently with DNA in a bent conformation.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    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).
    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: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:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    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.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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 Related Entries

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

UniProtKB/Swiss-Prot
        HNS_ECOLI | P0ACF8: 1hnr 1hns 1ni8 2mw2

(-) Related Entries Specified in the PDB File

1hns SOLUTION STRUCTURE OF THE C-TERMINAL DNA BINDING DOMAIN OF H-NS