Table 2. Expansion of the human annotation between Ensembl v60 and v87.

In total, the later annotation contains 25% more transcript models. The three genes identified by Deng et al. (2013, 31), TOM1L1, CMTM4 and PEX11B, have all acquired additional isoform models.

Human Annotation	Number of transcripts
	Total	TOM1L1	CMTM4	PEX11B
Ensembl v60 / GRCh37	157,480	2	2	2
Ensembl v87 / GRCh38	198,002	23	5	3