hemerythrin


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hem·e·ryth·rin

(hēm'ĕ-rith'rin)
Any of several iron-containing, oxygen-binding circulatory proteins in certain invertebrates, with molecular weights similar to that of hemoglobin but lacking porphyrin groups.
Synonym(s): haemerythrin.
[hem- + G. erythros, red, + in]