>sp|P16889|H2BL3_STRPU Late histone H2B.L3 OS=Strongylocentrotus purpuratus MPAKAQAAGKKGSKKAKAPKPSGDKKRRRKRKESYGIYIYKVLKQVHPDTGISSRAMSIM NSFVNDVFERIAAEASRLAHYNKKSTITSREVQTAVRLLLPGELAKHAVSEGTKAVTKYT TSK