4GSS:
reference: Multifunctional role of Tyr 108 in the catalytic mechanism of human glutathione transferase P1-1. Crystallographic and kinetic studies on the Y108F mutant enzyme., Lo Bello M, Oakley AJ, Battistoni A, Mazzetti AP, Nuccetelli M, Mazzarese G, Rossjohn J, Parker MW, Ricci G, Biochemistry 1997 May 20;36(20):6207-17. PMID: 9166793

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