Extract reference sequence from the .
Extract reference sequence from the .2bit data. Do not apply masks.
The desired ReferenceRegion to extract.
The reference sequence at the desired locus.
Extract reference sequence from the .
Extract reference sequence from the .2bit data.
The desired ReferenceRegion to extract.
Whether to apply masks (with lowercase letters)
The reference sequence at the desired locus.
Represents a set of reference sequences backed by a .2bit file.
See http://genome.ucsc.edu/FAQ/FAQformat.html#format7 for the spec.