For anyone who would like to know more about designing proteins with a certain function, target, or structure in mind, the term to search for is "rational design."
Thank you for this, terms of art are the silent gatekeepers...
As an aside, learning the precise terms for concepts in fields in which I'm a layperson (or simply have some cobwebs to shake loose)--and then exploring those terms more--is something that I've found LLMs extraordinarily useful for.