ID   6.3.2.24
DE   tyrosine--arginine ligase.
AN   kyotorphin synthase.
AN   kyotorphin-synthesizing enzyme.
AN   tyrosyl-arginine synthase.
CA   L-tyrosine + L-arginine + ATP = L-tyrosyl-L-arginine + AMP + diphosphate
CA   + H(+).
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