The RefSeq mRNAs gene track for the 30 Mar 2021 Alosa alosa/GCF_017589495.1_AALO_Geno_1.1 genome assembly displays translated blat alignments of vertebrate and invertebrate mRNA in GenBank.
Total genome size: 854,464,681
Gene count: 15,371
Bases in genes: 297,839,443
Percent genome coverage: % 34.857
The mRNAs were aligned against the Alosa alosa/GCF_017589495.1_AALO_Geno_1.1 genome using translated blat. When a single mRNA aligned in multiple places, the alignment having the highest base identity was found. Only those alignments having a base identity level within 1% of the best and at least 25% base identity with the genomic sequence were kept.
Specifically, the translated blat command is:
blat -noHead -q=rnax -t=dnax -mask=lower target.fa query.fa target.query.psl where target.fa is one of the chromosome sequence of the genome assembly, and the query.fa is the mRNAs from RefSeqThe resulting PSL outputs are filtered:
pslCDnaFilter -minId=0.35 -minCover=0.25 -globalNearBest=0.0100 -minQSize=20 -ignoreIntrons -repsAsMatch -ignoreNs -bestOverlap all.results.psl GCF_017589495.1_AALO_Geno_1.1.xenoRefGene.pslThe filtered GCF_017589495.1_AALO_Geno_1.1.xenoRefGene.psl is converted to genePred data to display for this track.
The mRNA track was produced at UCSC from mRNA sequence data submitted to the international public sequence databases by scientists worldwide.
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Benson DA, Karsch-Mizrachi I, Lipman DJ, Ostell J, Wheeler DL. GenBank: update. Nucleic Acids Res. 2004 Jan 1;32(Database issue):D23-6. PMID: 14681350; PMC: PMC308779
Kent WJ. BLAT - the BLAST-like alignment tool. Genome Res. 2002 Apr;12(4):656-64. PMID: 11932250; PMC: PMC187518