5af3 is a 2 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.
VPB45_MYCTU Possibly the antitoxin component of a type II toxin-antitoxin (TA) module. Its cognate toxin is VapC45.[1]
References
↑ Sala A, Bordes P, Genevaux P. Multiple toxin-antitoxin systems in Mycobacterium tuberculosis. Toxins (Basel). 2014 Mar 6;6(3):1002-20. doi: 10.3390/toxins6031002. PMID:24662523 doi:http://dx.doi.org/10.3390/toxins6031002