4WCH:
reference: The structure of the giant haemoglobin from Glossoscolex paulistus., Ruggiero Bachega JF, Vasconcelos Maluf F, Andi B, D'Muniz Pereira H, Falsarella Carazzollea M, Orville AM, Tabak M, Brandao-Neto J, Garratt RC, Horjales Reboredo E, Acta Crystallogr D Biol Crystallogr. 2015 Jun;71(Pt 6):1257-71. doi:, 10.1107/S1399004715005453. Epub 2015 May 14. PMID: 26057666

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