Table 2 Summary of genome features for T. gondii and representative apicomplexans.

Feature	*S. neurona**	*N. caninum* ^†	*H. hammondi* ^‡	*T. gondii* ME49 ^§
Estimated size	∼127 Mb*	∼62 Mb^†	∼65 Mb	∼65 Mb
Assembly length without sequencing gaps (bp)	117,871,271	57,524,119	67,460,985	65,464,221
Number of scaffolds^\|\|	116	NA^¶	99	47
Scaffolds N50 (bp)	2,890,735	NA	1,494,935	6,301,488
Number of contigs^#	8,903	241	1,337	410
Contigs N50 (bp)	20,915	405,161	84,429	1,219,553
Sequencing depth	375 ×	8 × ^†	66 ×	26.5 ×
# Chromosomes	NA	14^†	14	14
# Protein-coding genes	7,093	6,936^**	8,004^‡	8,322^§
GC content	51.5%	54.8%	52.5%	52.2%
% Protein-coding sequence^††	50.9%	59%	57.3%	60.5%
Average length of protein-coding genes^‡‡(bp)	9,121	4,892	4,868	4,778
Average number of exons per protein-coding gene	5.5	12	11.7	11.5

NA, not available.
^*All sequence reads were deposited in the National Center for Biotechnology (NCBI) sequence read archive under accession SUB554996 ref. 14.
^†Reid et al.¹⁵.
^‡GenBank Assembly ID GCA_000258005.2.
^§GenBank Assembly ID GCA_000006565.2.
^||Scaffolds >10,000 bp.
^¶960 Scaffolds, any size.
^#Contigs >2,000 bp.
^**GenBank Assembly ID GCA_000208865.2.
^††Exons and introns, without UTRs.
^‡‡Without UTRs.

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