3HZU

Crystal structure of probable thiosulfate sulfurtransferase SSEA (rhodanese) from Mycobacterium tuberculosis


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.249 
  • R-Value Work: 0.205 

wwPDB Validation 3D Report Full Report


This is version 1.4 of the entry. See complete history

Literature

Mycobacterium thermoresistibile as a source of thermostable orthologs of Mycobacterium tuberculosis proteins.

Edwards, T.E.Liao, R.Phan, I.Myler, P.J.Grundner, C.

(2012) Protein Sci. 21: 1093-1096

  • DOI: 10.1002/pro.2084
  • Primary Citation of Related Structures:  3P3A

  • PubMed Abstract: 
  • The genus Mycobacterium comprises major human pathogens such as the causative agent of tuberculosis, Mycobacterium tuberculosis (Mtb), and many environmental species. Tuberculosis claims ~1.5 million lives every year, and drug resistant strains of Mt ...

    The genus Mycobacterium comprises major human pathogens such as the causative agent of tuberculosis, Mycobacterium tuberculosis (Mtb), and many environmental species. Tuberculosis claims ~1.5 million lives every year, and drug resistant strains of Mtb are rapidly emerging. To aid the development of new tuberculosis drugs, major efforts are currently under way to determine crystal structures of Mtb drug targets and proteins involved in pathogenicity. However, a major obstacle to obtaining crystal structures is the generation of well-diffracting crystals. Proteins from thermophiles can have better crystallization and diffraction properties than proteins from mesophiles, but their sequences and structures are often divergent. Here, we establish a thermophilic mycobacterial model organism, Mycobacterium thermoresistibile (Mth), for the study of Mtb proteins. Mth tolerates higher temperatures than Mtb or other environmental mycobacteria such as M. smegmatis. Mth proteins are on average more soluble than Mtb proteins, and comparison of the crystal structures of two pairs of orthologous proteins reveals nearly identical folds, indicating that Mth structures provide good surrogates for Mtb structures. This study introduces a thermophile as a source of protein for the study of a closely related human pathogen and marks a new approach to solving challenging mycobacterial protein structures.


    Related Citations: 
    • Increasing the structural coverage of tuberculosis drug targets.
      Baugh, L.,Phan, I.,Begley, D.W.,Clifton, M.C.,Armour, B.,Dranow, D.M.,Taylor, B.M.,Muruthi, M.M.,Abendroth, J.,Fairman, J.W.,Fox, D.,Dieterich, S.H.,Staker, B.L.,Gardberg, A.S.,Choi, R.,Hewitt, S.N.,Napuli, A.J.,Myers, J.,Barrett, L.K.,Zhang, Y.,Ferrell, M.,Mundt, E.,Thompkins, K.,Tran, N.,Lyons-Abbott, S.,Abramov, A.,Sekar, A.,Serbzhinskiy, D.,Lorimer, D.,Buchko, G.W.,Stacy, R.,Stewart, L.J.,Edwards, T.E.,Van Voorhis, W.C.,Myler, P.J.
      (2015) Tuberculosis (Edinb) 95: 142


    Organizational Affiliation

    Emerald BioStructures, Bainbridge Island, Washington 98110, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Thiosulfate sulfurtransferase sseA
A
318Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)Gene Names: sseA
EC: 2.8.1.1
Find proteins for P9WHF7 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv))
Go to UniProtKB:  P9WHF7
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download SDF File 
Download CCD File 
A
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
GOL
Query on GOL

Download SDF File 
Download CCD File 
A
GLYCEROL
GLYCERIN; PROPANE-1,2,3-TRIOL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.249 
  • R-Value Work: 0.205 
  • Space Group: P 21 21 2
Unit Cell:
Length (Å)Angle (°)
a = 90.730α = 90.00
b = 88.327β = 90.00
c = 36.794γ = 90.00
Software Package:
Software NamePurpose
DENZOdata reduction
REFMACrefinement
SCALEPACKdata scaling
HKL-2000data scaling
MOLREPphasing
HKL-2000data reduction
PDB_EXTRACTdata extraction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2009-07-07
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Non-polymer description, Version format compliance
  • Version 1.2: 2012-06-27
    Type: Database references
  • Version 1.3: 2015-04-22
    Type: Database references
  • Version 1.4: 2017-11-01
    Type: Refinement description