Spastic Paraplegia 5a, Autosomal Recessive, also known as spg5a, is related to spastic paraplegia type 5a and spastic paraplegia 82, autosomal recessive. An important gene associated with Spastic Paraplegia 5a, Autosomal Recessive is CYP7B1 (Cytochrome P450 Family 7 Subfamily B Member 1). Affiliated tissues include spinal cord and brain, and related phenotypes are spastic paraplegia and impaired vibratory sensation