Table 11

Genome overview.

Size of the genome (including gaps)2.91 Gbp
Size of the genome (excluding gaps)2.66 Gbp
Longest contig1.99 Mbp
Longest scaffold14.4 Mbp
Percent of A+T in the genome54
Percent of G+C in the genome38
Percent of undetermined bases in the genome9
Most GC-rich 50 kbChr. 2 (66%)
Least GC-rich 50 kbChr. X (25%)
Percent of genome classified as repeats35
Number of annotated genes26,383
Percent of annotated genes with unknown function42
Number of genes (hypothetical and annotated)39,114
Percent of hypothetical and annotated genes with unknown function59
Gene with the most exonsTitin (234 exons)
Average gene size27 kbp
Most gene-rich chromosomeChr. 19 (23 genes/Mb)
Least gene-rich chromosomesChr. 13 (5 genes/Mb), Chr. Y (5 genes/Mb)
Total size of gene deserts (>500 kb with no annotated genes)605 Mbp
Percent of base pairs spanned by genes25.5 to 37.8*
Percent of base pairs spanned by exons1.1 to 1.4*
Percent of base pairs spanned by introns24.4 to 36.4*
Percent of base pairs in intergenic DNA74.5 to 63.6*
Chromosome with highest proportion of DNA in annotated exonsChr. 19 (9.33)
Chromosome with lowest proportion of DNA in annotated exonsChr. Y (0.36)
Longest intergenic region (between annotated + hypothetical genes)Chr. 13 (3,038,416 bp)
Rate of SNP variation1/1250 bp
  • * In these ranges, the percentages correspond to the annotated gene set (26, 383 genes) and the hypothetical + annotated gene set (39,114 genes), respectively.