Spasticity, Childhood-Onset, with Hyperglycinemia, is also known as spasticity-ataxia-gait anomalies syndrome. An important gene associated with Spasticity, Childhood-Onset, with Hyperglycinemia is GLRX5 (Glutaredoxin 5). Affiliated tissues include spinal cord, and related phenotypes are progressive spasticity and nonketotic hyperglycinemia