Source? AMBOSS calls it “Fragile X mental retardation 1 gene”
OMIM (https://omim.org/entry/309550); NCBI/NLM “Gene” database (Checking your browser - reCAPTCHA); FRAXA Research Foundation (https://www.fraxa.org/fmr1-renamed-to-fragile-x-messenger-ribonucleoprotein-1/)