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(-) Description

Title :  HU MUTANT V42I FROM THERMOTOGA MARITIMA
 
Authors :  C. Kavounis, K. Petratos, P. Tucker, C. E. Vorgias
Date :  18 Nov 03  (Deposition) - 07 Dec 04  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Histone-Like Protein, Thermostable Dna-Binding Protein, Hu Protein Mutant V42I, Thermotoga Maritima, Dna Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  C. Kavounis, K. Petratos, P. Tucker, C. E. Vorgias
The Structure Of The Dna Binding Protein Hu Thermotoga Maritima With A Single Conservative Substitution (V42I) Tha Confers Significant Destabilisation
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - HU DNA-BINDING PROTEIN
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System PlasmidPET-11A-HUTMAR
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    GeneHUP
    MutationYES
    Organism ScientificTHERMOTOGA MARITIMA
    Organism Taxid2336
    SynonymHISTONE-LIKE DNA BINDING PROTEIN

 Structural Features

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

Summary Information (see also Sequences/Alignments below)

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 Sequence-Structure Mapping

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(-) PROSITE Motifs  (1, 1)

Asymmetric Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HISTONE_LIKEPS00045 Bacterial histone-like DNA-binding proteins signature.DBH_THEMA46-65  1A:46-54
Biological Unit 1 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HISTONE_LIKEPS00045 Bacterial histone-like DNA-binding proteins signature.DBH_THEMA46-65  2A:46-54

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(-) Sequences/Alignments

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   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:71
 aligned with DBH_THEMA | P36206 from UniProtKB/Swiss-Prot  Length:90

    Alignment length:90
                                    10        20        30        40        50        60        70        80        90
             DBH_THEMA    1 MTKKELIDRVAKKAGAKKKDVKLILDTILETITEALAKGEKVQIVGFGSFEVRKAAARKGVNPQTRKPITIPERKVPKFKPGKALKEKVK 90
               SCOP domains d1riya_ A: HU protein                                                                      SCOP domains
               CATH domains 1riyA00 A:1-90 HU Protein, subunit A                                                       CATH domains
               Pfam domains --Bac_DNA_binding-1riyA01 A:3-90                                                           Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhh...eee...eeeeee.-------------------..eeeeeehhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ---------------------------------------------HISTONE_LIKE        ------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------ Transcript
                  1riy A  1 MNKKELIDRVAKKAGAKKKDVKLILDTILETITEALAKGEKIQIVGFGSFEVRK-------------------RKVPKFKPGKALKEKVK 90
                                    10        20        30        40        50   |     -         -   |    80        90
                                                                                54                  74                

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(-) Gene Ontology  (4, 4)

Asymmetric Unit(hide GO term definitions)
Chain A   (DBH_THEMA | P36206)
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:0030261    chromosome condensation    The progressive compaction of dispersed interphase chromatin into threadlike chromosomes prior to mitotic or meiotic nuclear division, or during apoptosis, in eukaryotic cells.
    GO:1903506    regulation of nucleic acid-templated transcription    Any process that modulates the frequency, rate or extent of nucleic acid-templated transcription.
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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        DBH_THEMA | P362061b8z

(-) Related Entries Specified in the PDB File

1b8z THE NATIVE PROTEIN FROM THE SAME ORGANISM
1hue HISTONE-LIKE PROTEIN FROM BACILLUS STEAROTHERMOPHILUS
1huu DNA-BINDING PROTEIN HU FROM BACILLUS STEAROTHERMOPHILUS
1p51 DNA BINDING ANABAENA HU-DNA COCRYSTAL STRUCTURE (AHU6)
1p71 DNA BINDING ANABAENA HU-DNA CORCRYSTAL STRUCTURE (TR3)
1p78 DNA BINDING ANABAENA HU-DNA COCRYSTAL STRUCTURE (AHU2)