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]

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References in periodicals archive

Cloning and characterization of hemerythrin gene from Sipuncula Phascolosoma esculenta.

Four families of oxygen-binding and/or transporting proteins have been characterized into two major groups: iron based, including hemoglobins (Hbs) and hemerythrins (Hrs), and copper based, including two non-homologous families of hemocyanins (Hcs) (Terwilliger et al., 1976; Burmester, 2002; Coates and Decker, 2017).

A phylogenomic profile of hemerythrins, the nonheme diiron binding respiratory proteins.

Discovery of Novel Hemocyanin-Like Genes in Metazoans

They are 10-20 [micro]m diameter, bear the respiratory pigment hemerythrin, are more or less biconvex in shape, and have large lysosomic vacuoles that are variable in number depending on the species (Ochi, 1975).

Hydrogen peroxide induces apoptotic-like cell death in coelomocytes of Themiste petricola (sipuncula)

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