DiscoveriesScratching Beneath the Surface: Cryo-EM Guides New Opioid Drug DesignCryo-EM revealed the molecular basis of KOR signaling bias, enabling structure-based drug design of an anti-pruritic peptide with reduced side effects.#structural-biology#cryosparc#cryo-em#discoveries#sbdd#gpcrCryoSPARC Team·June 16, 2026