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.

摘要精子乳酸脱氢酶地存在鸟类和哺乳类动物的成和精子中，为精子的运动和存活提供能量。