该基因通过去除γ链多聚谷氨酸盐和谷氨酸盐来催化叶酸聚γ-谷氨酸盐和抗多聚γ-谷氨酸盐的水解。[由RefSeq提供，2008年7月] This gene catalyzes the hydrolysis of folylpoly-gamma-glutamates and antifolylpoly-gamma-glutamates by the removal of gamma-linked polyglutamates and glutamate. [provided by RefSeq, Jul 2008]