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Sequence alignment of human apoA-I (accession number P02647, 267 residues), apo B (P04114, 4563 residues), and apoE (P02649, 317 residues) as performed by the CLUSTAL multiple alignment program. Asterisks indicate identities and colons (conserved substitutions) and periods (semiconserved substitutions) indicate similarities in the lines below the sequences.
