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. Author manuscript; available in PMC: 2021 Apr 15.
Published in final edited form as: Biochemistry. 2020 Jul 12;59(29):2751–2759. doi: 10.1021/acs.biochem.0c00432

Table 1. Comparative steady-state affinity analysis of WT-LmFPPS and mutants for FPP and GPP using SPR.

Steady-state affinity ‘KD’ and the maximum response “Rmax’ were estimated from non-linear regression by fitting the equilibrium binding data to steady-state affinity equation. ND- not determined.

Enzyme Steady-state affinity ‘KD’ (¼M) Rmax (RU)
Enzyme FPP GPP FPP GPP
WT-LmFPPS 36.6 0.049 20.3 4.1
E97Y-LmFPPS 36.4 1.27 28.5 4.3
T164Y-LmFPPS ND ND ND ND
T164W-LmFPPS ND ND ND ND