hemerythrins

Iron-containing, oxygen-binding proteins in certain invertebrates, with molecular weights approximately that of hemoglobin but differing from hemoglobin in that the molecules do not contain porphyrin groups. Oxygenated h. is oxyhemerythrin. [G. haima, blood, + G. erythros, red, + -in]

Medical dictionary. 2011.

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  • Hemerythrin — (also spelled haemerythrin; from Greek words αίμα = blood and ερυθρός = red) is an oligomeric protein responsible for oxygen (O2) transportation in the marine invertebrate phyla of sipunculids, priapulids, brachiopods, and in a single annelid… …   Wikipedia

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