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. 2021 Dec 21;10:e72264. doi: 10.7554/eLife.72264

Table 3. pKa for Glu68 in GtACR1.

The corresponding sites of BR are shown in the same line. – indicates not applicable.

GtACR1 BR
pKa* Glu68 12 Ala53
Contribution
Schiff base −6.6 Schiff base
Arg94 −1.3 Arg82
Asn239 2.5 Val217
Asp234 4.9 Asp212