4RKD:
reference: Crystal structure and enzymatic properties of a broad substrate-specificity psychrophilic aminotransferase from the Antarctic soil bacterium Psychrobacter sp. B6., Bujacz A, Rutkiewicz-Krotewicz M, Nowakowska-Sapota K, Turkiewicz M, Acta Crystallogr D Biol Crystallogr. 2015 Mar 1;71(Pt 3):632-45. doi:, 10.1107/S1399004714028016. Epub 2015 Feb 26. PMID: 25760611

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