From: Annotation of the Drosophila melanogastereuchromatic genome: a systematic review
Description* | Release 2 (% of total) | Release 3 euchromatin†(% of total) |
---|---|---|
Total protein-coding genes | 13,474 | 13,379 |
Total length of euchromatin | 116.2 Mb | 116.8 Mb |
Exons | 54,793 | 60,897 |
Protein-coding exons‡ | 50,667 | 54,934 |
Length of genome in exons | 23.3 Mb (20%) | 27.8 Mb (24%) |
Introns | 41,381 | 48,257 |
Genes with 5' UTR | 7,680 (57%) | 10,227 (76%) |
Transcripts with 5' UTR | 8,499 (59%) | 14,707 (81%) |
Average 5' UTR length | 204 nucleotides | 265 nucleotides |
Genes with 3' UTR | 4,824 (36%) | 9,646 (72%) |
Transcripts with 3' UTR | 5,381 (38%) | 14,012 (77%) |
Average 3' UTR length | 370 nucleotides | 442 nucleotides |
Average ratio of length of CDS/transcript§ | 0.86 | 0.75 |
Total protein-coding transcripts | 14,335 | 18,106 |
Genes with alternative transcripts | 689 (5%) | 2,729 (20%) |
Average number of transcripts per alternatively spliced gene | 2.25 | 2.75 |
Total number alternative transcripts | 861 | 4,743 |
Number of introns contained in 5'UTRs | 2,977 | 6,787 |
Number of introns contained in 3' UTRs | 1,004 | 1,088 |
Unique peptides¶ | 13,922 | 15,848 |
Unique peptides unchanged from R2 to R3 | 8,769 (63%) | 8,769 (55%) |
Genes deleted from R2 to R3 | 345 | NA |
New protein-coding genes in R3 | NA | 802 |