TY - RPRT TI - Structural features of transmembrane helices. AU - Peter Werner Hildebrand AU - Robert Preissner AU - Cornelius Frömmel PY - 2004 DO - 10.1016/s0014-5793(04)00061-4 UR - https://pubmed.ncbi.nlm.nih.gov/14960323/ ID - 14960323 ER -