5VN5:
reference: The bacterial meta-cleavage hydrolase LigY belongs to the amidohydrolase superfamily, not to the alpha/beta-hydrolase superfamily., Kuatsjah E, Chan ACK, Kobylarz MJ, Murphy MEP, Eltis LD, J Biol Chem. 2017 Nov 3;292(44):18290-18302. doi: 10.1074/jbc.M117.797696. Epub, 2017 Sep 20. PMID: 28935670

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