Table S3. Estimates of nanochromosome copy number.

Contig	Gene	Reads/bp	5’ telomeric reads/
contig	3’ telomeric reads/contig	All telomeric reads/
contig	qPCR estimate	
Contig451.1	rRNA	34.24	10353	10028	20,381	5.16E+07	
Contig22209.0	TEBP-α	3.02	71	660	731	2.61E+06	
Contig22794.0	DNA Pol-α	1.58	322	208	530	1.88E+06	
Contig5780.0	RNA Pol II	0.29	2	70	72	2.69E+05	
Contig15858.0	Xrcc-3	0.57	135	87	222	2.57E+05