Short read Illumina data for the de novo assembly of a non-model snail species transcriptome (Radix balthica, Basommatophora, Pulmonata), and a comparison of assembler performance

Table 2 Performance of contigs BLAST N against the 13 R. balthica mitochondrial genes with a cutoff value of < e^-5

	Velvet	NGen	ORK21	ORK31	Meta
Total number hits	560	209	85	99	82
Average total contig length	107	248	259	255	475
Average aligned contig length	45	90	83	79	216
# of contigs with > 80% identity	214	21	15	19	21
# of contigs with 100% identity	21	0	0	0	0
Summed aligned coverage	5696	5610	5332	5527	6143
Average % coverage per gene	0.55	0.54	0.51	0.53	0.58

Summed aligned coverage indicates the sum of the aligned region of contigs across the 13 mitochondrial genes. (ORK21/31: OASES k-mer = 21 & 31).

ISSN: 1471-2164