>sp|Q27749|H2BS1_PSAMI Histone H2B.1, sperm OS=Psammechinus miliaris MPSQKSPTKRSPTKRSPQKGGKGAKRGGKAGKRRRGVAVKRRRRRRESYGIYIYKVLKQV HPDTGISSRAMSVMNSFVNDVFERIASEAGRLTTYNRRNTVSSREVQTAVRLLLPGELAK HAVSEGTKAVTKYTTSR