TNP1, or Transition Protein 1, is a protein primarily found in the nuclei of developing spermatids, the immature male germ cells, during spermiogenesis—the final stage of spermatogenesis where round spermatids differentiate into mature spermatozoa. TNP1 is a member of a family of small, highly basic proteins known as transition proteins, which are involved in the chromatin remodeling process that occurs during spermiogenesis. One of the primary functions of TNP1 is its role in the replacement of histones with protamines, specialized proteins that condense and package DNA into a highly compacted form within the sperm nucleus. During spermiogenesis, TNP1 binds to histones...


Test(s) that measure/test for TNP1

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