Adjacent mutations in the gating loop of Kir6.2 produce neonatal diabetes and hyperinsulinism. by Shimomura, K, Flanagan, SE, Zadek, B, Lethby, M, Zubcevic, L, Girard, C, Petz, O, Mannikko, R, Kapoor, R, Hussain, K, Skae, M, Clayton, P, Hattersley, A, Ellard, S, Ashcroft, F