1AL3

COFACTOR BINDING FRAGMENT OF CYSB FROM KLEBSIELLA AEROGENES


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.246 
  • R-Value Work: 0.179 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

The structure of the cofactor-binding fragment of the LysR family member, CysB: a familiar fold with a surprising subunit arrangement.

Tyrrell, R.Verschueren, K.H.Dodson, E.J.Murshudov, G.N.Addy, C.Wilkinson, A.J.

(1997) Structure 5: 1017-1032

  • DOI: https://doi.org/10.1016/s0969-2126(97)00254-2
  • Primary Citation of Related Structures:  
    1AL3

  • PubMed Abstract: 

    CysB is a tetrameric protein of identical subunits (M(r) = 36,000) which controls the expression of genes associated with the biosynthesis of cysteine in bacteria. CysB is both an activator and a repressor of transcription whose activity is responsive to the inducer N-acetylserine; thiosulphate and sulphide act as anti-inducers. CysB is a member of the LysR family of prokaryotic transcriptional regulatory proteins which share sequence similarities over approximately 280 residues including a putative helix-turn-helix DNA-binding motif at their N terminus. The aims of the present study were to explore further the complex molecular biology and curious ligand binding properties of CysB and to provide structural insights into the LysR family of proteins.


  • Organizational Affiliation

    Department of Chemistry, University of York, Heslington, UK.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
CYS REGULON TRANSCRIPTIONAL ACTIVATOR CYSB324Klebsiella aerogenesMutation(s): 0 
Gene Names: CYSB
UniProt
Find proteins for P45600 (Klebsiella pneumoniae)
Explore P45600 
Go to UniProtKB:  P45600
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP45600
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download Ideal Coordinates CCD File 
B [auth A]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.246 
  • R-Value Work: 0.179 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 66.38α = 90
b = 107.53β = 90
c = 32.74γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
CCP4data reduction
MLPHAREphasing
REFMACrefinement
CCP4data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1997-12-24
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2024-02-07
    Changes: Data collection, Database references, Derived calculations