Mutations in Erlin2 have been linked to human disease, including intellectual disability, motor dysfunction, hereditary spastic paraplegia, and juvenile primary lateral sclerosis (Al-Saif et al., 2012; Al-Yahyaee et al., 2006; Alazami et al., 2011; Wakil et al., 2013; Yildirim et al., 2011). The gene discussed is ERLIN2; the disease is hereditary spastic paraplegia.