🌐EnglishEnglishBahasa IndonesiaEspañolItalianoPortuguêsTiếng ViệtРусскийالعربيةفارسی中文日本語EntityQ1616930· pop 14· linked from 88 articlesfragment crystallizable regionAlso known as Fctail region of an antibodyAvailable in 14 languagesEspañol日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaCatalanEstonianConnectionsfragment antigen-bindingEntityantibodyEntityCategoriesAntibodiesImmunology