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(-) Description

Title :  CRYSTAL STRUCTURE OF THE VIBRIO CHOLERAE FERRIC UPTAKE REGULATOR (FUR) REVEALS STRUCTURAL REARRANGEMENT OF THE DNA-BINDING DOMAINS
 
Authors :  M. A. Sheikh, G. L. Taylor
Date :  05 Dec 08  (Deposition) - 20 Jan 09  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Gene Regulation, Vibrio Cholerae, Transcription Regulation, Metal Transport, Iron, Repressor, Dna-Binding, Transcription, Metal-Binding, Ferric Uptake (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. A. Sheikh, G. L. Taylor
Crystal Structure Of The Vibrio Cholerae Ferric Uptake Regulator (Fur) Reveals Insights Into Metal Co-Ordination.
Mol. Microbiol. V. 72 1208 2009
PubMed-ID: 19400801  |  Reference-DOI: 10.1111/J.1365-2958.2009.06718.X

(-) Compounds

Molecule 1 - FERRIC UPTAKE REGULATION PROTEIN
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Organism Scientific: VIBRIO CHOLERAE
    Organism Taxid: 666
    Strain: N16961
    Synonym: FERRIC UPTAKE REGULATOR

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 4)

Asymmetric/Biological Unit (1, 4)
No.NameCountTypeFull Name
1ZN4Ligand/IonZINC ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:87 , ASP A:89 , GLU A:108 , HIS A:125BINDING SITE FOR RESIDUE ZN A 201
2AC2SOFTWAREHIS A:33 , GLU A:81 , HIS A:88 , HIS A:90BINDING SITE FOR RESIDUE ZN A 202
3AC3SOFTWAREHIS B:87 , ASP B:89 , GLU B:108 , HIS B:125BINDING SITE FOR RESIDUE ZN B 201
4AC4SOFTWAREHIS B:33 , GLU B:81 , HIS B:88 , HIS B:90BINDING SITE FOR RESIDUE ZN B 202

(-) SS Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1A:93 -A:133
2B:93 -B:133

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2W57)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2W57)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2W57)

(-) Exons   (0, 0)

(no "Exon" information available for 2W57)

(-) Sequences/Alignments

Asymmetric/Biological 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:131
 aligned with FUR_VIBCH | P0C6C8 from UniProtKB/Swiss-Prot  Length:150

    Alignment length:131
                                    12        22        32        42        52        62        72        82        92       102       112       122       132 
            FUR_VIBCH     3 DNNQALKDAGLKVTLPRLKILEVLQQPECQHISAEELYKKLIDLGEEIGLATVYRVLNQFDDAGIVTRHHFEGGKSVFELSTQHHHDHLVCLDCGEVIEFSDDVIEQRQKEIAAKYNVQLTNHSLYLYGKC 133
               SCOP domains d2w57a_ A: automated matches                                                                                                        SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhh....hhhhhhhhhhhhhhhhh.eehhhhhhhhhhh....hhhhhhhhhhhhhhh..eeeee.hhh.eeeee......eeeee.....eeee.hhhhhhhhhhhhhhh..eeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2w57 A   3 DNNQALKDAGLKVTLPRLKILEVLQQPECQHISAEELYKKLIDLGEEIGLATVYRVLNQFDDAGIVTRHHFEGGKSVFELSTQHHHDHLVCLDCGEVIEFSDDVIEQRQKEIAAKYNVQLTNHSLYLYGKC 133
                                    12        22        32        42        52        62        72        82        92       102       112       122       132 


Chain B from PDB  Type:PROTEIN  Length:131
 aligned with FUR_VIBCH | P0C6C8 from UniProtKB/Swiss-Prot  Length:150

    Alignment length:131
                                    12        22        32        42        52        62        72        82        92       102       112       122       132 
            FUR_VIBCH     3 DNNQALKDAGLKVTLPRLKILEVLQQPECQHISAEELYKKLIDLGEEIGLATVYRVLNQFDDAGIVTRHHFEGGKSVFELSTQHHHDHLVCLDCGEVIEFSDDVIEQRQKEIAAKYNVQLTNHSLYLYGKC 133
               SCOP domains d2w57b_ B: automated matches                                                                                                        SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) -------FUR-2w57B01 B:10-130                                                                                                     --- Pfam domains (1)
           Pfam domains (2) -------FUR-2w57B02 B:10-130                                                                                                     --- Pfam domains (2)
         Sec.struct. author hhhhhhhhh....hhhhhhhhhhhhhhhhh.eehhhhhhhhhhh....hhhhhhhhhhhhhhh..eeeeee...eeeeee......eeeee.....eeee.hhhhhhhhhhhhhhh..eeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2w57 B   3 DNNQALKDAGLKVTLPRLKILEVLQQPECQHISAEELYKKLIDLGEEIGLATVYRVLNQFDDAGIVTRHHFEGGKSVFELSTQHHHDHLVCLDCGEVIEFSDDVIEQRQKEIAAKYNVQLTNHSLYLYGKC 133
                                    12        22        32        42        52        62        72        82        92       102       112       122       132
   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, 2)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2W57)

(-) Pfam Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Clan: HTH (544)
(-)
Family: FUR (5)
(-)
Vibrio cholerae (1)
1aFUR-2w57B01B:10-130
1bFUR-2w57B02B:10-130

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (FUR_VIBCH | P0C6C8)
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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  2w57
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