How many proteins in a sperm
Superfood or Supergross? The Truth About Semen

It was suggested that ATP activates either membrane-bound MSP filament end-tracking proteins or their soluble cofactors.
Protein content of human seminal plasma and spermatozoa in relation to sperm counts





Fertility mystery solved: protein discovered that joins sperm with eggs
Major sperm protein


A Complete Breakdown of the Nutritional Content of Semen

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