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(-) Description

Title :  CRYSTAL STRUCTURE OF APO ISCR
 
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 :  1.90
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  A,B  (2x)
Keywords :  Whth, Protein-Dna Complex, Iron-Sulfur Cluster, Winged Helix-Turn- Helix, Transcriptional Regulator, Redox Sensor, Dna Binding, Transcription (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
    Fragment: ISCR (UNP RESIDUES 1-133)
    Gene: ISCR, YFHP, B2531, JW2515
    Mutation: YES
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 83333
    Strain: K12

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): AB
Biological Unit 2 (2x): AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (1, 1)
No.NameCountTypeFull Name
1SO41Ligand/IonSULFATE ION
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1SO41Ligand/IonSULFATE ION
Biological Unit 2 (1, 2)
No.NameCountTypeFull Name
1SO42Ligand/IonSULFATE ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:8 , MET B:1 , ARG B:2 , TRP B:110 , ARG B:111 , SER B:114BINDING SITE FOR RESIDUE SO4 B 201

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4HF0)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4HF0)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4HF0)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4HF0)

(-) Exons   (0, 0)

(no "Exon" information available for 4HF0)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
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   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:120
                                                                                                                                                        
               SCOP domains ------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhh.hhhhhhhhhhhhhhh..eeee.....eeee..hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------ Transcript
                 4hf0 A   1 MRLTSKGRYAVTAMLDVALNSEAGPVPLADISERQGISLSYLEQLFSRLRKNGLVSSVRGPGGGYLLGKDASSIAVGEVISAVDAQGGDKALTHALWRDLSDRLTGFLNNITLGELVNNQ 133
                                    10        20        30        40        50        60        70        80   ||  103       113       123       133
                                                                                                              84|                                   
                                                                                                               98                                   


Chain B from PDB  Type:PROTEIN  Length:118
                                                                                                                                                      
               SCOP domains ---------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhh.hhhhhhhhhhhhhhh..eeee.....eeee..hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhh..hhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------- Transcript
                 4hf0 B   1 MRLTSKGRYAVTAMLDVALNSEAGPVPLADISERQGISLSYLEQLFSRLRKNGLVSSVRGPGGGYLLGKDASSIAVGEVISAVDDKALTHALWRDLSDRLTGFLNNITLGELVNNQGG 135
                                    10        20        30        40        50        60        70        80   ||  107       117       127        
                                                                                                              84|                                 
                                                                                                              102
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  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 4HF0)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4HF0)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4HF0)

(-) Gene Ontology  (10, 10)

Asymmetric Unit(hide GO term definitions)

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  4hf0
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 Related Entries

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

UniProtKB/Swiss-Prot
        ISCR_ECOLI | P0AGK8: 4hf1 4hf2

(-) Related Entries Specified in the PDB File

4hf1 4hf2