該基因通過去除γ鏈多聚谷氨酸鹽和谷氨酸鹽來催化葉酸聚γ-谷氨酸鹽和抗多聚γ-谷氨酸鹽的水解。[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]