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(-) Description

Title :  CRYSTAL STRUCTURE OF FURB FROM M. TUBERCULOSIS- A ZINC UPTAKE REGULATOR
 
Authors :  D. Lucarelli, S. Russo, E. Pohl
Date :  27 Nov 06  (Deposition) - 13 Feb 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.70
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Zinc Uptake, Dna-Binding, Helix-Turn-Helix, Zinc Binding, Gene Regulation (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. Lucarelli, S. Russo, E. Garman, A. Milano, W. Meyer-Klaucke, E. Poh
Crystal Structure And Function Of The Zinc Uptake Regulator Furb From Mycobacterium Tuberculosis.
J. Biol. Chem. V. 282 9914 2007
PubMed-ID: 17213192  |  Reference-DOI: 10.1074/JBC.M609974200

(-) Compounds

Molecule 1 - PROBABLE ZINC UPTAKE REGULATION PROTEIN FURB
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21
    Expression System Plasmid: PETM11
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Vector Type: PLASMID
    Gene: FURB
    Organism Scientific: MYCOBACTERIUM TUBERCULOSIS
    Organism Taxid: 1773
    Synonym: FERRIC UPTAKE REGULATION PROTEIN

 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, 3)

Asymmetric Unit (1, 3)
No.NameCountTypeFull Name
1ZN3Ligand/IonZINC ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1ZN-1Ligand/IonZINC ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:62 , CYS A:76 , HIS A:81 , HIS A:83BINDING SITE FOR RESIDUE ZN A 201
2AC2SOFTWARECYS A:86 , CYS A:89 , CYS A:126 , CYS A:129BINDING SITE FOR RESIDUE ZN A 202
3AC3SOFTWAREHIS A:80 , HIS A:82 , GLU A:101 , HIS A:118BINDING SITE FOR RESIDUE ZN A 203

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2O03)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2O03)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2O03)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2O03)

(-) Exons   (0, 0)

(no "Exon" information available for 2O03)

(-) 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:129
 aligned with ZUR_MYCTO | P9WN84 from UniProtKB/Swiss-Prot  Length:130

    Alignment length:129
                                    10        20        30        40        50        60        70        80        90       100       110       120         
            ZUR_MYCTO     1 MSAAGVRSTRQRAAISTLLETLDDFRSAQELHDELRRRGENIGLTTVYRTLQSMASSGLVDTLHTDTGESVYRRCSEHHHHHLVCRSCGSTIEVGDHEVEAWAAEVATKHGFSDVSHTIEIFGTCSDCR 129
               SCOP domains d2o03a_ A: automated matches                                                                                                      SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhh...eehhhhhhhhhhh....hhhhhhhhhhhhhh...eeeee.....eeeee......eeeee.....eeee.hhhhhhhhhhhhhhh.........eeee...... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2o03 A   2 ASAAGVRSTRQRAAISTLLETLDDFRSAQELHDELRRRGENIGLTTVYRTLQSMASSGLVDTLHTDTGESVYRRCSEHHHHHLVCRSCGSTIEVGDHEVEAWAAEVATKHGFSDVSHTIEIFGTCSDCR 130
                                    11        21        31        41        51        61        71        81        91       101       111       121         


Chain A from PDB  Type:PROTEIN  Length:129
 aligned with ZUR_MYCTU | P9WN85 from UniProtKB/Swiss-Prot  Length:130

    Alignment length:129
                                    10        20        30        40        50        60        70        80        90       100       110       120         
            ZUR_MYCTU     1 MSAAGVRSTRQRAAISTLLETLDDFRSAQELHDELRRRGENIGLTTVYRTLQSMASSGLVDTLHTDTGESVYRRCSEHHHHHLVCRSCGSTIEVGDHEVEAWAAEVATKHGFSDVSHTIEIFGTCSDCR 129
               SCOP domains d2o03a_ A: automated matches                                                                                                      SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhh...eehhhhhhhhhhh....hhhhhhhhhhhhhh...eeeee.....eeeee......eeeee.....eeee.hhhhhhhhhhhhhhh.........eeee...... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2o03 A   2 ASAAGVRSTRQRAAISTLLETLDDFRSAQELHDELRRRGENIGLTTVYRTLQSMASSGLVDTLHTDTGESVYRRCSEHHHHHLVCRSCGSTIEVGDHEVEAWAAEVATKHGFSDVSHTIEIFGTCSDCR 130
                                    11        21        31        41        51        61        71        81        91       101       111       121
   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  (1, 1)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2O03)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2O03)

(-) Gene Ontology  (12, 18)

Asymmetric Unit(hide GO term definitions)
Chain A   (ZUR_MYCTU | P9WN85)
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:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
    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:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0045893    positive regulation of transcription, DNA-templated    Any process that activates or increases 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:0010043    response to zinc ion    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 zinc ion stimulus.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

Chain A   (ZUR_MYCTO | P9WN84)
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: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.
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:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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  2o03
    Family and Domain Information: ProDom | SYSTERS
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 Related Entries

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