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family:comment |
An ATP-grasp family that is present both as catalytically active and inactive versions. Contextual analysis suggests that it functions in a distinct peptide synthesis/modification system that additionally contains a transglutaminase, an NTN-hydrolase, the Alpha-E domain, and a transglutaminase fused N-terminal to a circularly permuted COOH-NH2 ligase. The inactive forms are often fused N-terminal to the Alpha-E domain [1].
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