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(-) Description

Title :  SOLUTION NMR STRUCTURE OF MQSA, A PROTEIN FROM E. COLI, CONTAINING A ZINC FINGER, N-TERMINAL AND A HELIX TURN-HELIX C-TERMINAL DOMAIN
 
Authors :  E. Papadopoulos, A. Vlamis-Gardikas, A. Graslund, M. Billeter, A. Hol J. Collet
Date :  14 Jun 10  (Deposition) - 29 Jun 11  (Release) - 25 Jul 12  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
NMR Structure *:  A  (1x)
Keywords :  Zinc Finger, Helix Turn Helix, Transcription, Ygit, Mqsa (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  E. Papadopoulos, J. F. Collet, V. Vukojevic, M. Billeter, A. Holmgren A. Graslund, A. Vlamis-Gardikas
Solution Structure And Biophysical Properties Of Mqsa, A Zn-Containing Antitoxin From Escherichia Coli
Biochim. Biophys. Acta 2012
PubMed-ID: 22789559  |  Reference-DOI: 10.1016/J.BBAPAP.2012.06.016

(-) Compounds

Molecule 1 - UNCHARACTERIZED HTH-TYPE TRANSCRIPTIONAL REGULATOR YGIT
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: YGIT, B3021, JW2989
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 83333
    Strain: K12

 Structural Features

(-) Chains, Units

  1
NMR Structure (20x): A
NMR Structure * (1x): A

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 2KZ8)

(-) Sites  (0, 0)

(no "Site" information available for 2KZ8)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2KZ8)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2KZ8)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2KZ8)

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_CROC1PS50943 Cro/C1-type HTH domain profile.MQSA_ECOLI74-127  1A:74-127
NMR Structure * (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_CROC1PS50943 Cro/C1-type HTH domain profile.MQSA_ECOLI74-127  1A:74-127

(-) Exons   (0, 0)

(no "Exon" information available for 2KZ8)

(-) 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:131
 aligned with MQSA_ECOLI | Q46864 from UniProtKB/Swiss-Prot  Length:131

    Alignment length:131
                                    10        20        30        40        50        60        70        80        90       100       110       120       130 
           MQSA_ECOLI     1 MKCPVCHQGEMVSGIKDIPYTFRGRKTVLKGIHGLYCVHCEESIMNKEESDAFMAQVKAFRASVNAETVAPEFIVKVRKKLSLTQKEASEIFGGGVNAFSRYEKGNAQPHPSTIKLLRVLDKHPELLNEIR 131
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author eeee....eeee.eeeeeeeeee.eeeeeeeee.eeee...eeeeehhhhhhhhhhhhhhhhhhh......hhhhhhhhh....hhhhhhhh.....hhhhhhh.......hhhhhhhhhh....hhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------HTH_CROC1  PDB: A:74-127 UniProt: 74-127              ---- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2kz8 A   1 MKCPVCHQGEMVSGIKDIPYTFRGRKTVLKGIHGLYCVHCEESIMNKEESDAFMAQVKAFRASVNAETVAPEFIVKVRKKLSLTQKEASEIFGGGVNAFSRYEKGNAQPHPSTIKLLRVLDKHPELLNEIR 131
                                    10        20        30        40        50        60        70        80        90       100       110       120       130
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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 2KZ8)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2KZ8)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2KZ8)

(-) Gene Ontology  (6, 6)

NMR Structure(hide GO term definitions)
Chain A   (MQSA_ECOLI | Q46864)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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: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: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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  2kz8
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  MQSA_ECOLI | Q46864
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 Related Entries

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

UniProtKB/Swiss-Prot
        MQSA_ECOLI | Q46864: 3fmy 3ga8 3gn5 3hi2 3o9x

(-) Related Entries Specified in the PDB File

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