I’ve come up empty handed in the Wolfram Guides for BiomolecularSequences, ifeSciencesAndMedicineDataAndComputation, and SequenceAlignmentAndComparison.
Recommendations are welcome!
BTW, an interesting article about this sequence and assembly can be found here:
On a related note, an upcoming Wolfram blog (expected later this week) will cover usage of the Wolfram Function Repository functionality for genomic computation. It will of course have mention of ImportFASTA.