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. 2015 Jan 22;61(3):197–207. doi: 10.1007/s10858-015-9899-6

Table 1.

Number of residues for which PCSs were measured on the four single-cysteine lanthanide tag-attached mutants of pSRII

Metal ion L56C I121C S154C V169C
Dy3+ 57 51 45 26
Tb3+ 58 46 42 –a
Tm3+ 84 53 36 49
Yb3+ 62 54 16 58

apSRII-V169C was not tagged with C2–Tb3+