TY - GEN TI - Are membrane proteins introverted? SN - 0028-0836 PY - 1981///0413 KW - Bacteriorhodopsins KW - Carotenoids KW - Hydrogen Bonding KW - Membrane Proteins KW - Protein Conformation N1 - Publication Type: News UR - https://doi.org/10.1038/289444a0 ER -