TY - RPRT TI - How does a topological inversion change the evolutionary constraints on membrane proteins? AU - Hisako Ichihara AU - Hiromi Daiyasu AU - Hiroyuki Toh PY - 2004 DO - 10.1093/protein/gzh031 UR - https://pubmed.ncbi.nlm.nih.gov/15067108/ ID - 15067108 ER -