5dim

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Mutant toxin in 'native' space groupMutant toxin in 'native' space group

Structural highlights

5dim is a 1 chain structure with sequence from Clostridium perfringens str. 13. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 3.32Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

TACY_CLOPE Sulfhydryl-activated toxin that causes cytolysis by forming pores in cholesterol containing host membranes. After binding to target membranes, the protein assembles into a pre-pore complex. A conformation change leads to insertion in the host membrane and formation of an oligomeric pore complex. Cholesterol may be required for binding to host cell membranes, membrane insertion and pore formation. Can be reversibly inactivated by oxidation.[1]

See Also

References

  1. Rossjohn J, Polekhina G, Feil SC, Morton CJ, Tweten RK, Parker MW. Structures of perfringolysin O suggest a pathway for activation of cholesterol-dependent cytolysins. J Mol Biol. 2007 Apr 13;367(5):1227-36. Epub 2007 Jan 23. PMID:17328912 doi:http://dx.doi.org/10.1016/j.jmb.2007.01.042

5dim, resolution 3.32Å

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OCA