Chlorocruorin

Chlorocruorin is an oxygen carrying blood protein of many annelids, it is noted for appearing green when deoxygenated (as opposed to dark red like hemoglobin), though it is light red when oxygenated. Its structure is very similar to erythrocruorin (which is likewise very similar to multiple subunits of myoglobin) and it contains many 16-17kDa myoglobin like subunits arranged in a giant complex of over a hundred subunits with interlinking proteins as well with a total weight exceeding 3600kDa. Because of its giant macromolecule structure, chlorocruorin is free floating in blood. The only significant difference between chlorocruorin and erythrocruorin is that chlorocruorin carries an abnormal heme group structure.

Additional recommended knowledge

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Daily Sensitivity Test

Recognize and detect the effects of electrostatic charges on your balance

References

The Primary Structure of Globin and Linker Chains from the Chlorocruorin of the Polychaete Sabella spallanzanii* Alberto PallaviciniDagger §, Enrico NegrisoloDagger §, Roberto Barbato¶, Sylvia Dewilde||**, Anna Ghiretti-MagaldiDagger Dagger , Luc Moens||, and Gerolamo Lanfranchi. J. Biol. Chem., Vol. 276, Issue 28, 26384-26390, July 13, 2001[1]