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Cystathionine β-synthase (CBS) is an enzyme involved in sulfur metabolism that catalyzes the pyridoxal phosphate-dependent condensation of homocysteine with serine or cysteine to form cystathionine and water or hydrogen sulfide (H2S), respectively. CBS possesses a b-type heme coordinated by histidine and cysteine. Fe(III)-CBS is inert toward exogenous ligands, while Fe(II)-CBS is reactive. Both Fe(III)- and Fe(II)-CBS are sensitive to mercury compounds. In this study, we describe the kinetics of the reactions with mercuric chloride (HgCl

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What Are Item Upgrades in Genshin Impact? Item upgrades are components of an item that can be incorporated into weapons, armor trinkets, gathering tools and trinkets to give you additional stats or extra effects. These upgrades can be purchased from vendors or traded between players, or rewarded as a reward. It's generally recommended to upgrade equipment, particularly if it's Unique or Rare. It is possible to upgrade items excessively, particularly if the base requirements are high. Rerolling Genshin Impact offers a few different ways to