Other allelic neurological disorders with the same gene associations are ataxia with oculomotor apraxia (SETX), HSP (ALS2, SPG11, ERLIN1, and DDHD1), JPLS (ALS2), dHMN (SIGMAR1), distal myopathy (GNE), and distal SMA (BICD2). The gene discussed is SPG11; the disease is hereditary spastic paraplegia.