TAPS is a biological buffer, remain lysozyme native structure intact and prevents thermal denaturation against high temperatures. TAPS exhibits pKa value of 8.1, while the half-maximum values of connexin channel activity is 8.5 (pH)[1][2].
[1]. Pannuru P, et al. The effects of biological buffers TRIS, TAPS, TES on the stability of lysozyme. Int J Biol Macromol. 2018 Jun;112:720-727.
[2]. Bevans CG, et al. Regulation of connexin channels by pH. Direct action of the protonated form of taurine and other aminosulfonates. J Biol Chem. 1999 Feb 5;274(6):3711-9.Bevans CG, et al. Regulation of connexin channels by pH. Direct action of the protona