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.

摘要精子异性酸脱异地存在鸟和哺物的成熟睾丸和精子中，为精子的运和存活提供能量。