4PGT:
reference: Structure and function of residue 104 and water molecules in the xenobiotic substrate-binding site in human glutathione S-transferase P1-1., Ji X, Blaszczyk J, Xiao B, O'Donnell R, Hu X, Herzog C, Singh SV, Zimniak P, Biochemistry 1999 Aug 10;38(32):10231-8. PMID: 10441116

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