FMR1-AS1 and fragile X-associated tremor/ataxia syndrome: In addition, ASFMR1 and FMR4 contains CCG repeats in the complementary strand that may be deleterious as well: in this regard, ASFMRpolyP and ASFMRpolyA peptides as a result of RAN translation of the ASFMR1 transcript can be detected in FXTAS brains [59].