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.

摘要精子性酸脱氢酶存在鸟类类动物的成熟睾丸精子中，为精子的运动存活提供能量。