>sp|P15447|GLB4_GLYDI Globin, monomeric component M-IV OS=Glycera dibranchiata MGLSAAQRQVVASTWKDIAGSDNGAGVGKECFTKFLSAHHDIAAVFGFSGASDPGVADLG AKVLAQIGVAVSHLGDEGKMVAEMKAVGVRHKGYGYKHIKAEYFEPLGASLLSAMEHRIG GKMTAAAKDAWAAAYADISGALISGLQS