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. 2011 Apr 4;286(23):20431–20440. doi: 10.1074/jbc.M110.196154

TABLE 2.

Effect of mutations on binding of BlcR with SSA

Proteins Tma
ITC Kd
1:0b 1:1 1:5 1:10
°C μm
BlcR 54.5 57 58.4 60 0.7 ± 0.1
BlcRY133A 44.0 44.5 49.5 49.5 19.3 ± 3.1
BlcRF147A 45.5 46.5 49 50 3.9 ± 0.3
BlcRT158A 49.5 53.5 56 56.5 1.6 ± 0.3
BlcRD210A 48.0 48.0 48.0 48.0 Weakc
BlcRC220A 47.0 47.0 47.0 47.0 NDd

a Melting temperatures are from DSF studies.

b BlcR monomer/SSA ratio.

c Heat exchange was too low for accurate ITC analysis.

d ND, not detected.