2.8.3.16 D169A mutant enzyme is correctly folded and forms interlocked dimers, 1300fold decrease in activity 662253 2.8.3.16 D169E mutant enzyme is correctly folded and forms interlocked dimers, inactive mutant enzyme 662253 2.8.3.16 D169S mutant enzyme is correctly folded and forms interlocked dimers, inactive mutant enzyme 662253 2.8.3.16 additional information construction of a frc deletion mutant, frc expression specifically improves survival in the presence of oxalic acid at pH 3.5, the frc mutant is unable to degrade oxalate, phenotype, overview -, 671452 2.8.3.16 W48F FRC variant 692851 2.8.3.16 W48Q FRC variant 692851 2.8.3.16 G259A site-directed mutagenesis 693216 2.8.3.16 G260A site-directed mutagenesis 693216 2.8.3.16 Q17A site-directed mutagenesis 693216