LDH-C4 is specific to mature testes and spermtozoa of bird and mammal.It is related to metabolic processes that provide energy for motility and survival of spermtozoa.LDH-C4 is an autoantigen.

摘要精子特酸脱氢酶特地存在鸟类和哺类动物的丸和精子中，为精子的运动和存活提供能量。