>tr|R4MK20|R4MK20_MYCTX Antitoxin OS=Mycobacterium tuberculosis CAS/NITR204 GN=J113_19865 MRILPISTIKGKLNEFVDAVSSTQDQITITKNGAPAAVLVGADEWESLQETLYWLAQPGI RESIAEADADIASGRTYGEDEIRAEFGVPRRPH