bioinformatics alternative-splicing protein-sequences sequence-to-sequence ucsc sequence-alignment uniprot-ids amino-acid-sequence aminoacid needleman-wunsch-algorithm refseq splice-variants exon-mapping protein-ids aminoacid-position protein-isoform

rest-api alternative-splicing ensemble webtool ucsc uniprot sequence-alignment protein-sequence refseq splice-variants exon-mapping protein-ids aminoacid-position protein-isoform