Bioseq-set ::= {
    seq-set {
        seq {
            id { genbank { accession "U54469", version 1 } },
            inst {
                repr virtual,
                mol dna,
                length 90
            }
        },
        seq {
            id { local str "irrelevant" },
            inst {
                repr virtual,
                mol dna,
                length 10
            }
        },
        seq {
            id { local str "foo" },
            inst {
                repr virtual,
                mol dna,
                length 90
            }
        },
        seq {
            id { local str "U54470.1" },
            inst {
                repr virtual,
                mol dna,
                length 500
            }
        }
    }
}