TY - GEN AU - Loew,G H AU - Burt,S K TI - Energy conformation study of Met-enkephalin and its D-Ala2 analogue and their resemblance to rigid opiates SN - 0027-8424 PY - 1978///0417 KW - Endorphins KW - Enkephalins KW - Molecular Conformation KW - Morphine KW - Structure-Activity Relationship KW - Thermodynamics N1 - Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1073/pnas.75.1.7 ER -