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(-) Description

Title :  THE N-TERMINAL DNA BINDING DOMAIN OF SINR FROM BACILLUS SUBTILIS
 
Authors :  V. Colledge, M. J. Fogg, V. M. Levdikov, E. J. Dodson, A. J. Wilkinson
Date :  15 Feb 11  (Deposition) - 15 Jun 11  (Release) - 10 Aug 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  A  (1x)
Biol. Unit 3:  B  (1x)
Keywords :  Helix-Turn-Helix Motif, Biofilm, Repressor, Transcriptional Regulator, Sini, Transcription (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  V. L. Colledge, M. J. Fogg, V. M. Levdikov, A. Leech, E. J. Dodson, A. J. Wilkinson
Structure And Organisation Of Sinr, The Master Regulator Of Biofilm Formation In Bacillus Subtilis.
J. Mol. Biol. V. 411 597 2011
PubMed-ID: 21708175  |  Reference-DOI: 10.1016/J.JMB.2011.06.004

(-) Compounds

Molecule 1 - HTH-TYPE TRANSCRIPTIONAL REGULATOR SINR
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET-YSBLIC-
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    FragmentN-TERMINAL DOMAIN OF SINR RESIDUES 1-69
    GeneBSU24610, FLAD, SIN, SINR
    Organism ScientificBACILLUS SUBTILIS
    Organism Taxid1423

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AB
Biological Unit 1 (1x)AB
Biological Unit 2 (1x)A 
Biological Unit 3 (1x) B

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 3QQ6)

(-) Sites  (0, 0)

(no "Site" information available for 3QQ6)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3QQ6)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3QQ6)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3QQ6)

(-) PROSITE Motifs  (2, 3)

Asymmetric Unit (2, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_CROC1PS50943 Cro/C1-type HTH domain profile.SINR_BACSU6-61
 
  2A:6-61
B:6-61
2SINPS51500 Sin domain profile.SINR_BACSU65-103  1A:65-67
Biological Unit 1 (2, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_CROC1PS50943 Cro/C1-type HTH domain profile.SINR_BACSU6-61
 
  2A:6-61
B:6-61
2SINPS51500 Sin domain profile.SINR_BACSU65-103  1A:65-67
Biological Unit 2 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_CROC1PS50943 Cro/C1-type HTH domain profile.SINR_BACSU6-61
 
  1A:6-61
-
2SINPS51500 Sin domain profile.SINR_BACSU65-103  1A:65-67
Biological Unit 3 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_CROC1PS50943 Cro/C1-type HTH domain profile.SINR_BACSU6-61
 
  1-
B:6-61
2SINPS51500 Sin domain profile.SINR_BACSU65-103  0-

(-) Exons   (0, 0)

(no "Exon" information available for 3QQ6)

(-) Sequences/Alignments

Asymmetric 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:69
 aligned with SINR_BACSU | P06533 from UniProtKB/Swiss-Prot  Length:111

    Alignment length:69
                              1                                                                  
                              |      8        18        28        38        48        58         
            SINR_BACSU    - --MIGQRIKQYRKEKGYSLSELAEKAGVAKSYLSSIERNLQTNPSIQFLEKVSAVLDVSVHTLLDEKHE 67
               SCOP domains --------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhh..hhhhhhhhhh.hhhhhhhhhh......hhhhhhhhhhhhh.hhhhhhhh... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------HTH_CROC1  PDB: A:6-61 UniProt: 6-61                    ---SIN PROSITE
                 Transcript --------------------------------------------------------------------- Transcript
                  3qq6 A -1 HHMIGQRIKQYRKEKGYSLSELAEKAGVAKSYLSSIERNLQTNPSIQFLEKVSAVLDVSVHTLLDEKHE 67
                                     8        18        28        38        48        58         

Chain B from PDB  Type:PROTEIN  Length:68
 aligned with SINR_BACSU | P06533 from UniProtKB/Swiss-Prot  Length:111

    Alignment length:68
                                1                                                               
                                |    6        16        26        36        46        56        
            SINR_BACSU    - ----MIGQRIKQYRKEKGYSLSELAEKAGVAKSYLSSIERNLQTNPSIQFLEKVSAVLDVSVHTLLDE 64
               SCOP domains -------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------- CATH domains
           Pfam domains (1) ---------HTH_3-3qq6B01 B:6-61                                    --- Pfam domains (1)
           Pfam domains (2) ---------HTH_3-3qq6B02 B:6-61                                    --- Pfam domains (2)
         Sec.struct. author hhhhhhhhhhhhhhhhh..hhhhhhhhhh.hhhhhhhhhh......hhhhhhhhhhhhh.hhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------HTH_CROC1  PDB: B:6-61 UniProt: 6-61                    --- PROSITE
                 Transcript -------------------------------------------------------------------- Transcript
                  3qq6 B -3 HHHHMIGQRIKQYRKEKGYSLSELAEKAGVAKSYLSSIERNLQTNPSIQFLEKVSAVLDVSVHTLLDE 64
                                     6        16        26        36        46        56        

   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  (0, 0)

(no "SCOP Domain" information available for 3QQ6)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3QQ6)

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: HTH (544)

(-) Gene Ontology  (7, 7)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (SINR_BACSU | P06533)
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.
    GO:0043565    sequence-specific DNA binding    Interacting selectively and non-covalently with DNA of a specific nucleotide composition, e.g. GC-rich DNA binding, or with a specific sequence motif or type of DNA e.g. promotor binding or rDNA binding.
biological process
    GO:0010629    negative regulation of gene expression    Any process that decreases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0030435    sporulation resulting in formation of a cellular spore    The process in which a relatively unspecialized cell acquires the specialized features of a cellular spore, a cell form that can be used for dissemination, for survival of adverse conditions because of its heat and dessication resistance, and/or for reproduction.
    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
        SINR_BACSU | P065331b0n 2yal 3zkc

(-) Related Entries Specified in the PDB File

1b0n SINR/SINI PROTEIN COMPLEX