ID   1.14.99.52
DE   L-cysteinyl-L-histidinylsulfoxide synthase.
CA   L-histidine + L-cysteine + O2 = L-alanin-3-yl L-histidin-5-yl sulfoxide +
CA   H2O.
CC   -!- The enzyme participates in ovothiol biosynthesis.
CC   -!- It also has some activity as EC 1.13.11.20, and can perform the
CC       reaction of EC 1.14.99.50.
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