Hemerythrin

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What Wikipedia says

Hemerythrin (also spelled haemerythrin; Ancient Greek: αἷμα, romanized: haîma, lit. 'blood', Ancient Greek: ἐρυθρός, romanized: erythrós, lit. 'red') is an oligomeric protein responsible for oxygen (O2) transport in the marine invertebrate phyla of priapulids, brachiopods, and in the annelid worm clades Magelona and Sipuncula.

Excerpt from the Wikipedia article “Hemerythrin”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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