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(-) Description

Title :  MULTIPLE ANTIBIOTIC RESISTANCE REPRESSOR, MARR
 
Authors :  M. N. Alekshun, S. B. Levy, T. R. Mealy, B. A. Seaton, J. F. Head
Date :  26 Jun 01  (Deposition) - 28 Dec 01  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Transcription Regulation, Dna-Binding, Repressor, Antibiotic Resistance, Transcription (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. N. Alekshun, S. B. Levy, T. R. Mealy, B. A. Seaton, J. F. Head
The Crystal Structure Of Marr, A Regulator Of Multiple Antibiotic Resistance, At 2. 3 A Resolution.
Nat. Struct. Biol. V. 8 710 2001
PubMed-ID: 11473263  |  Reference-DOI: 10.1038/90429

(-) Compounds

Molecule 1 - MULTIPLE ANTIBIOTIC RESISTANCE PROTEIN MARR
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1SAL2Ligand/Ion2-HYDROXYBENZOIC ACID
Biological Unit 1 (1, 4)
No.NameCountTypeFull Name
1SAL4Ligand/Ion2-HYDROXYBENZOIC ACID

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREPRO A:57 , LEU A:68 , THR A:72 , ARG A:86 , ARG A:94 , VAL A:96BINDING SITE FOR RESIDUE SAL A 256
2AC2SOFTWARETHR A:39 , ALA A:41 , GLN A:42 , ALA A:70 , MET A:74BINDING SITE FOR RESIDUE SAL A 257

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (2, 2)

Asymmetric Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_MARR_2PS50995 MarR-type HTH domain profile.MARR_ECOLI11-144  1A:11-144
2HTH_MARR_1PS01117 MarR-type HTH domain signature.MARR_ECOLI70-104  1A:70-104
Biological Unit 1 (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_MARR_2PS50995 MarR-type HTH domain profile.MARR_ECOLI11-144  2A:11-144
2HTH_MARR_1PS01117 MarR-type HTH domain signature.MARR_ECOLI70-104  2A:70-104

(-) Exons   (0, 0)

(no "Exon" information available for 1JGS)

(-) 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:138
 aligned with MARR_ECOLI | P27245 from UniProtKB/Swiss-Prot  Length:144

    Alignment length:138
                                    16        26        36        46        56        66        76        86        96       106       116       126       136        
           MARR_ECOLI     7 LFNEIIPLGRLIHMVNQKKDRLLNEYLSPLDITAAQFKVLCSIRCAACITPVELKKVLSVDLGALTRMLDRLVCKGWVERLPNPNDKRGVLVKLTTGGAAICEQCHQLVGQDLHQELTKNLTADEVATLEYLLKKVLP 144
               SCOP domains d1jgsa_ A: Multiple antibiotic resistance repressor, MarR                                                                                  SCOP domains
               CATH domains 1jgsA00 A:7-144 'winged helix' repressor DNA binding domain                                                                                CATH domains
               Pfam domains -------------------------------MarR-1jgsA01 A:38-96                                       ------------------------------------------------ Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhh..hhhhhhhhhh.hhhhhhhhhhhhhhh..eeeee.......eeeeehhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (1) ----HTH_MARR_2  PDB: A:11-144 UniProt: 11-144                                                                                              PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------HTH_MARR_1  PDB: A:70-104          ---------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1jgs A   7 LFNEIIPLGRLIHMVNQKKDRLLNEYLSPLDITAAQFKVLCSIRCAACITPVELKKVLSVDLGALTRMLDRLVCKGWVERLPNPNDKRGVLVKLTTGGAAICEQCHQLVGQDLHQELTKNLTADEVATLEYLLKKVLP 144
                                    16        26        36        46        56        66        76        86        96       106       116       126       136
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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, 1)

Asymmetric Unit
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (1, 1)

Asymmetric Unit
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (1, 1)

Asymmetric Unit
(-)
Clan: HTH (544)

(-) Gene Ontology  (10, 10)

Asymmetric Unit(hide GO term definitions)
Chain A   (MARR_ECOLI | P27245)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    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:0003700    transcription factor activity, sequence-specific DNA binding    Interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex.
    GO:0044212    transcription regulatory region DNA binding    Interacting selectively and non-covalently with a DNA region that regulates the transcription of a region of DNA, which may be a gene, cistron, or operon. Binding may occur as a sequence specific interaction or as an interaction observed only once a factor has been recruited to the DNA by other factors.
biological process
    GO:0071236    cellular response to antibiotic    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.
    GO:0045892    negative regulation of transcription, DNA-templated    Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0046677    response to antibiotic    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.
    GO:0009408    response to heat    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a heat stimulus, a temperature stimulus above the optimal temperature for that organism.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.

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 Related Entries

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        MARR_ECOLI | P27245: 3vb2 3vod 3voe 4jba

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