1AQ6:
reference: Three-dimensional structure of L-2-haloacid dehalogenase from Xanthobacter autotrophicus GJ10 complexed with the substrate-analogue formate., Ridder IS, Rozeboom HJ, Kalk KH, Janssen DB, Dijkstra BW, J Biol Chem 1997 Dec 26;272(52):33015-22. PMID: 9407083

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