TY - RPRT TI - Evolution of protein function, from a structural perspective. AU - A E Todd AU - C A Orengo AU - J M Thornton PY - 1999 DO - 10.1016/s1367-5931(99)00007-1 UR - https://pubmed.ncbi.nlm.nih.gov/10508675/ ID - 10508675 ER -