install.packages('biofiles')
db_xref
s of GenBank featuresgbLocation
."gbFeature"
"gbLocation"
"gbLocus"
reference class"gbRecordList"
"gbReference"
reference classgbRecord
objects."gbRecord"
"gbFeatureTable"
"gbHeader"
reference class"gbReferenceList"
reference classgbFeatureTable
"seqinfo"
reference class