AFF2(redirected from Fragile X Mental Retardation 2)
Also found in: Acronyms.
AFF2A gene on chromosome Xq28 that encodes a putative transcriptional activator of the AF4\FMR2 gene family, which may be involved in alternative splicing regulation.
AFF2 is associated with the folate-sensitive fragile X E locus. Fragile X E syndrome is a form of nonsyndromic X-linked mental retardation.