Mutate and conjugate: a method to enable rapid in-cell target validation by Thomas, AM, Serafini, M, Grant, EK, Coombs, EAJ, Bluck, JP, Schiedel, M, McDonough, MA, Reynolds, JK, Lee, B, Platt, M, Sharlandjieva, V, Biggin, PC, Duarte, F, Milne, TA, Bush, JT, Conway, SJ