 The other encodes an acidic protein, apoC-IA, that is orthologous to the virtual protein encoded by the pseudogene.The pseudogenization event occurred sometime between the divergence of bonobos and chimpanzees from the human lineage and the arrival of Denisovans and Neandertals.The pseudogene is due to a change in a single nucleotide in the codon for the penultimate amino acid, i.e.