Phospho‐regulation, nucleotide binding and ion access control in potassium‐chloride cotransporters by Chi, G, Ebenhoch, R, Man, H, Tang, H, Tremblay, LE, Reggiano, G, Qiu, X, Bohstedt, T, Liko, I, Almeida, FG, Garneau, AP, Wang, D, McKinley, G, Moreau, CP, Bountra, KD, Abrusci, P, Mukhopadhyay, SMM, Fernandez‐Cid, A, Slimani, S, Lavoie, JL, Burgess‐Brown, NA, Tehan, B, DiMaio, F, Jazayeri, A, Robinson, CV, Dürr, KL