Contact: Catherine Kolf
Johns Hopkins Medicine
Caption: The membrane encourages a coil to form in a target protein (left, pink and yellow) and helps keep the gate (pale blue) of the rhomboid protease (deep blue) from swinging open too far (center). When the target protein enters the watery interior of the rhomboid protease, the upper section of its coil (yellow) falls apart and gets cut (right).
Credit: eLife Journal, Creative Commons License, courtesy of Sin Urban
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