TABLE 1.

Number of reads surviving each stage of processing

No. of barcoded reads	K tag 1 match	K tag 2 match	Reads > 20 bp and passing QC filter	Total mapped reads
1,670,483	1,629,609 (97.5%)	1,076,508 (66.06%)	1,057,274 (98.21%)	881,943 (83.42%)