2AYQ:
reference: Crystal structure of 3-isopropylmalate dehydrogenase from the moderate facultative thermophile, Bacillus coagulans: two strategies for thermostabilization of protein structures., Tsuchiya D, Sekiguchi T, Takenaka A, J Biochem (Tokyo) 1997 Dec;122(6):1092-104. PMID: 9498551

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