Table 1 Summary statistic for the Melilotus officinalis genome

Genome assembly

Estimated genome size

1080 Mbp

Total length of assembly

1066 Mbp

Number of contig

492

Contig N50

5Mbp

Largest contig

21Mbp

Number of scaffolds

74

Scaffold N50

130Mbp

Chromosome coverage

97.34%

GC content of genome

35.38%

Annotation

Transposable elements

Total

761Mbp(71.35%)

Retrotransposon

569Mbp(53.67%)

DNA Transposon

62Mbp(5.90%)

Noncoding RNAs

rRNAs

5,168

tRNAs

1,231

miRNAs

416

snRNAs

2,719

Gene models

Number of genes

47,873

Mean gene length

4,041 bp

Mean coding sequences

1,673 bp

length