has material basis in germline mutation in FMR1 syndromic disease fragile X-associated tremor/ataxia syndrome https://github.com/monarch-initiative/mondo/issues/4521 https://github.com/monarch-initiative/mondo/issues/4883 https://www.malacards.org/card/fragile_x_associated_tremor_ataxia_syndrome https://www.malacards.org/card/fragile_x_tremor_ataxia_syndrome NANDO:1200691 NANDO:1200690 FXTAS SCTID:448045004 MEDGEN:333403 DOID:0050879 Orphanet:93256 FXTAS syndrome UMLS:C1839780 fragile X tremor/ataxia syndrome OMIM:300623 MONDO:0010382 Fragile X-associated tremor/ataxia syndrome (FXTAS) is a rare neurodegenerative disorder characterized by adult-onset progressive intention tremor and gait ataxia. MESH:C564105 Fragile X tremor/ataxia syndrome, X-linked dominant NCIT:C126566 GARD:0016806 fragile 10 tremor/ataxia syndrome X-linked cerebellar ataxia