Defined in file gbseq.asn
C++ class: CGBAltSeqItem
GBAltSeqItem ::= SEQUENCE {
interval GBInterval OPTIONAL ,
isgap BOOLEAN OPTIONAL ,
gap-length INTEGER OPTIONAL ,
gap-type VisibleString OPTIONAL ,
gap-linkage VisibleString OPTIONAL ,
gap-comment VisibleString OPTIONAL ,
first-accn VisibleString OPTIONAL ,
last-accn VisibleString OPTIONAL ,
value VisibleString OPTIONAL
}