metaprotein

noun
meta·​pro·​tein | \ ˌmet-ə-ˈprō-ˌtēn, -ˈprōt-ē-ən How to pronounce metaprotein (audio) \

Medical Definition of metaprotein

: any of various products derived from proteins through the action of acids or alkalies by which the solubility and sometimes the composition of the proteins is changed