Proteopedia

7du4

The structure of the M.tb MazF-mt9 toxin in complex with a fragment of cognate antitoxinThe structure of the M.tb MazF-mt9 toxin in complex with a fragment of cognate antitoxin

Structural highlights

7du4 is a 3 chain structure with sequence from Mycobacterium tuberculosis H37Rv. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.18Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

MAZF7_MYCTU Toxic component of a type II toxin-antitoxin (TA) module. Upon expression in E.coli and M.smegmatis inhibits cell growth and colony formation. Its toxic effect is neutralized by coexpression with cognate antitoxin MazE7 (PubMed:19016878, PubMed:20011113). Probably an endoribonuclease (By similarity).[UniProtKB:P9WIH9][1] [2]

References

  1. ↑ Gupta A. Killing activity and rescue function of genome-wide toxin-antitoxin loci of Mycobacterium tuberculosis. FEMS Microbiol Lett. 2009 Jan;290(1):45-53. doi:, 10.1111/j.1574-6968.2008.01400.x. Epub 2008 Nov 10. PMID:19016878 doi:http://dx.doi.org/10.1111/j.1574-6968.2008.01400.x
  2. ↑ Ramage HR, Connolly LE, Cox JS. Comprehensive functional analysis of Mycobacterium tuberculosis toxin-antitoxin systems: implications for pathogenesis, stress responses, and evolution. PLoS Genet. 2009 Dec;5(12):e1000767. doi: 10.1371/journal.pgen.1000767. Epub 2009, Dec 11. PMID:20011113 doi:http://dx.doi.org/10.1371/journal.pgen.1000767

7du4, resolution 2.18Å

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OCA
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