Pronunciation: he-me-rith'rinz, hem-e-
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 hemerythrins is oxyhemerythrin.
[G. haima, blood, + G. erythros, red, + -in]
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Examples: glitazone, GI cocktail, etc.