Function
Toxic component of a type II toxin-antitoxin (TA) system. The C-terminus (residues 449-600) has RNase activity, and inhibits growth upon expression in E.coli. In vitro RNase activity and in vivo growth inhibition are neutralized by cognate antitoxin YobK, but not by antitoxins specific to other toxins with the LXG domain.
Sequence
MKVFEADSLLFEADKRTKEYKELRSQMVKLKKAFKEVANLDDSEFSGKGADNIKAFYHGHVGVTDQWIDLIDMKIAFLSSMSATLEDAKMSDAYIEESFLEHELANAYAKSKSIMSEQKKAMKDILNNINDILPLEIFSTEDFKDKLSSADDKREKTIDKLNKLDEDLKTEYAETEPNEQFIQQDFKKLQESTGKGKNATPIHYNAKAYRESDIHKKKGDIEKHSEAYLSVKKEEAKEREIKELKKKLNDGVSDPDEYLEIAKKVGYENLEPTQVQLAVQIEQAKQLEGAGEITWDIVKGVGVGLYDVGKDTVTGIWDFITDPGETLSALGNAAMHPVKTYDAISAAIEESYQKDMVNGDAYSRSRWVTYAIGSVAVAVVGTKGAGAINKADAAGKVINKASQAGKKIKDVKIPDLLPYNPKYKLALADNVPYNVVDSQNLKNELLTNAKKIPDGTRKPFTGQKKSPPWLNKEKYDAYEIEGKVKAKGKVKDVSRRVYTMKDIDINQKTEFGVTNLQLMKNGNAPYAKDGTQINLHHLIQEEPGPMLEIPNSLHTKYSDVIHQLKSDGESFRNDKVLKAQYESFRKRYWKWRAKQFENEN