4LF0:
reference: The mechanism of the amidases: mutating the glutamate adjacent to the catalytic triad inactivates the enzyme due to substrate mispositioning., Weber BW, Kimani SW, Varsani A, Cowan DA, Hunter R, Venter GA, Gumbart JC, Sewell BT, J Biol Chem. 2013 Oct 4;288(40):28514-23. doi: 10.1074/jbc.M113.503284. Epub 2013, Aug 14. PMID: 23946488

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