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. Author manuscript; available in PMC: 2011 May 15.
Published in final edited form as: Biochem J. 2010 Apr 28;428(1):75–84. doi: 10.1042/BJ20090977

Table 1.

SPR results for KCNQ1 C-terminal domains and mutants binding to Immobilized KCNE1 C-terminus

Q1CT Kd (μM) Rmax (RU)
Q1Cf 3.2 ± 0.7 4729 ± 391
Q1C1 4.6 ± 1.4 1202 ± 162
Q1C1 A371T 6.5 ± 0.7 3039 ± 161
Q1C1 Q357R 2.4 ± 0.9 1011 ± 129
Q1C1 R366W Nd* 178 ± 39
Q1C1 S373P 7.0 ± 1.9 4586 ± 627
Q1C1 T391I * ND 213 ± 10
Q1C1 W392R * ND 25 ± 4
Q1C1A * ND 56 ± 9.1
Q1C1B 2.4 ± 0.6 936 ± 75
Q1C2 * ND <25
Q1C3 * ND <25
*

ND Not determined due to low interaction signal.