4AA8:
reference: Camel and bovine chymosin: the relationship between their structures and cheese-making properties., Langholm Jensen J, Molgaard A, Navarro Poulsen JC, Harboe MK, Simonsen JB, Lorentzen AM, Hjerno K, van den Brink JM, Qvist KB, Larsen S, Acta Crystallogr D Biol Crystallogr. 2013 May;69(Pt 5):901-13. doi:, 10.1107/S0907444913003260. Epub 2013 Apr 19. PMID: 23633601

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