TY - RPRT TI - High-resolution polypeptide structure in a lamellar phase lipid environment from solid state NMR derived orientational constraints. AU - R Ketchem AU - B Roux AU - T Cross PY - 1997 DO - 10.1016/s0969-2126(97)00312-2 UR - https://pubmed.ncbi.nlm.nih.gov/9438865/ ID - 9438865 ER -