Mutations in ACTN4, encoding alpha-actinin-4, cause familial focal segmental glomerulosclerosis. - Kaplan,J.M.; Kim,S.H.; North,K.N.; Rennke,H.; Correia,L.A.; Tong,H.Q.; Mathis,B.J.; Rodriguez-Perez,J.C.; Allen,P.G.; Beggs,A.H.; Pollak,M.R. (Nat genet, 2000)