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. 2021 Sep 27;12:728694. doi: 10.3389/fimmu.2021.728694

Table 2.

Differential stabilities for individual framework point mutants.

VH Gene Mutation (paper) Mutation (IMGT) Minimum nt Score Property* Reference
VH3-23 Q81H Q90H 1 16.1 Mean ΔTm = 0.0°C (48)
A84P A96P 1 15.1 ΔT50 = 0.7°C (49)
VH1-69 M48G M53G 2 -1.4 ΔT50 = 3°C (50)
M48I M53I 1 11.4 ΔT50 = 2°C
V67I V76I 1 14.6 ΔT50 = 4°C
V67L V76L 1 19.1 ΔT50 = 7°C
VH6-1 V72D V69D 2 10.5 320% a , 180% b yield (51)
0.1 a , 2.2 b kJ/mol stability
S76G S74G 1 26.8 210% a , 150% b yield
3.7 a , 3.5 b kJ/mol stability
S90Y S88Y 1 4.4 180% a , 230% b yield
-0.1 a , 1.4 b kJ/mol stability

Mean ΔTm was calculated over all genotypes presented in Table 3 in ref (48).

*Yield is calculated as a relative percentage to the original antibody sequence.

a

Antibody 2C2.

b

Antibody 6B3.