Partial Amino Acid Sequence of Hemoglobin II from Lucina pectinata
The Puerto Rican clam Lucina pectinata, a bivalve mollusc, has three cytoplasmic Hbs associated with its gill: HbI, HbII and HbIII. The clam utilizes these three Hbs in symbiosis with intracellular chemoautotrophic bacteria (1). These bacteria reside in the gill of the clam where its requirement for O2 and hydrogen sulfide is provided by the clam via the Hbs (2)
KeywordsHydrogen Sulfide Tryptic Peptide Bivalve Mollusc Oxygen Carrier Cyanogen Bromide
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