>sp|P16888|H2BL1_STRPU Late histone H2B.L1 OS=Strongylocentrotus purpuratus OX=7668 PE=1 SV=2 MPAKAQPAGKKGSKKAKAPRPSGGKKRRRRRKESYGIYIYKVLKQVHPDTGISSRAMSIM NSFVNDVFERIAAEASRLAHYNKKSTITSREVQTVVRLLLPGELAKHAVSEGTKAVTKYT TSK