<biochemistry> Polybasic amine. Found in human sperm, in ribosomes and in some viruses. Involved in nucleic acid packaging. Synthesis is regulated by ornithine decarboxylase which plays a key role in control of DNA replication.

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)

spermidium, spermiduct, sperm immobilizing agents < Prev | Next > spermine synthase, spermiogenesis, spermism

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