2GVN:
reference: Three-dimensional structures of L-asparaginase from Erwinia carotovora complexed with aspartate and glutamate., Kravchenko OV, Kislitsin YA, Popov AN, Nikonov SV, Kuranova IP, Acta Crystallogr D Biol Crystallogr. 2008 Mar;64(Pt 3):248-56. doi:, 10.1107/S0907444907065766. Epub 2008 Feb 20. PMID: 18323619

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