Table 1.

Summary of PA-seq generated data, filtering steps and clustering in each tissue library

PA-seq reads and clustering	Liver	Kidney	Brain
Raw read pairs with identifiable linker sequences	2 851 978	8 044 879	3 533 285
Read pairs mapped	2 449 567	7 198 135	2 711 473
Non-redundant read pairs no priming	649 410	1 353 072	1 320 265
Non-redundant read pairs 2 distinct 5′ tags	545 708	1 190 344	1 001 479
Different polyA sites	57 396	99 482	132 616
PAS clusters	8537	12 477	15 727
PAS clusters with NPa	7439	10 291	13 205

^aNP = Narrow Peak.