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(-) Description

Title :  CRYSTAL STRUCTURE OF E43A ISCR MUTANT BOUND TO ITS PROMOTER
 
Authors :  S. R. Rajagopalan, K. J. Phillips
Date :  04 Oct 12  (Deposition) - 08 May 13  (Release) - 03 Jul 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.99
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  Whth, Protein-Dna Complex, Iron-Sulfur Cluster, Winged Helix-Turn- Helix, Transcriptional Regulator, Redox Sensor, Dna Binding, Transcription-Dna Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. Rajagopalan, S. J. Teter, P. H. Zwart, R. G. Brennan, K. J. Phillips, P. J. Kiley
Studies Of Iscr Reveal A Unique Mechanism For Metal-Dependent Regulation Of Dna Binding Specificity.
Nat. Struct. Mol. Biol. V. 20 740 2013
PubMed-ID: 23644595  |  Reference-DOI: 10.1038/NSMB.2568

(-) Compounds

Molecule 1 - HTH-TYPE TRANSCRIPTIONAL REGULATOR ISCR
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: ISCR, YFHP, B2531, JW2515
    Mutation: YES
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 83333
    Strain: K12
 
Molecule 2 - DNA (29-MER)
    Chains: C
    Engineered: YES
    Organism Common: ENTEROCOCCUS COLI
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Other Details: DNA FROM HYAA PROMOTER
    Synthetic: YES
 
Molecule 3 - DNA (29-MER)
    Chains: D
    Engineered: YES
    Organism Common: ENTEROCOCCUS COLI
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Other Details: DNA FROM HYAA PROMOTER
    Synthetic: YES

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit : ABCD

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 4HF2)

(-) Sites  (0, 0)

(no "Site" information available for 4HF2)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4HF2)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Pro A:61 -Gly A:62
2Gly B:63 -Gly B:64

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4HF2)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4HF2)

(-) Exons   (0, 0)

(no "Exon" information available for 4HF2)

(-) 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:115
                                                                                                                                                   
               SCOP domains ------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhh.....hhhhhhhhh..hhhhhhhhhhhhhhh..eeee.....eeee.......hhhhhhhhhhh..hhhhhhhhhhhhhhhhhhh.hhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------- Transcript
                 4hf2 A   1 MRLTSKGRYAVTAMLDVALNSEAGPVPLADISERQGISLSYLAQLFSRLRKNGLVSSVRGPGGGYLLGKDASSIAVGEVISAVDESALTHALWRDLSDRLTGFLNNITLGELVNN 132
                                    10        20        30        40        50        60        70        80     ||107       117       127     
                                                                                                                86|                            
                                                                                                                104                            


Chain B from PDB  Type:PROTEIN  Length:121
                                                                                                                                                         
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhh.....hhhhhhhhh..hhhhhhhhhhhhhhh..eee.......eee.......hhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhh.hhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4hf2 B   1 MRLTSKGRYAVTAMLDVALNSEAGPVPLADISERQGISLSYLAQLFSRLRKNGLVSSVRGPGGGYLLGKDASSIAVGEVISAVDGGDKALTHALWRDLSDRLTGFLNNITLGELVNNQEVL 136
                                    10        20        30        40        50        60        70        80   ||  105       115       125       135 
                                                                                                              84|                                    
                                                                                                              100                                    


Chain C from PDB  Type:DNA  Length:29
                                                             
                 4hf2 C   1 ATAAATCCACACAGTTTGTATTGTTTTGT  29
                                    10        20         


Chain D from PDB  Type:DNA  Length:29
                                                             
                 4hf2 D   1 ACAAAACAATACAAACTGTGTGGATTTAT  29
                                    10        20
   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  (0, 0)

(no "SCOP Domain" information available for 4HF2)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4HF2)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4HF2)

(-) Gene Ontology  (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)

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  Sites
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  Cis Peptide Bonds
    Gly B:63 - Gly B:64   [ RasMol ]  
    Pro A:61 - Gly A:62   [ RasMol ]  
 

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 Related Entries

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

UniProtKB/Swiss-Prot
        ISCR_ECOLI | P0AGK8: 4hf0 4hf1

(-) Related Entries Specified in the PDB File

4hf0 4hf1