Experiment	GSM3040917	Study	GSE109774 
Organism	Mus musculus (mm10)	Tissue	Trachea
Protocol	10X	Sample#	1
Sample Run	SRR6835871
Reference	Tabula Muris, C., et al. (2018). Single-cell transcriptomics of 20 mouse organs creates a Tabula Muris. Nature 562(7727): 367-372.

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Gene#	15412	Cell#	4643
PolyA site#	scAPAtrap 10774Sierra 15059	Gene with polyA site#	scAPAtrap 9423Sierra 9408
APA event#	scAPAtrap 2497Sierra 9283	Gene with APA event#	scAPAtrap 1146Sierra 3640
Cell types 1	Basal cell: 4643

APA index

PolyA Site Expression APA Usage Weighted 3' UTR Length

Tools

scAPAtrap Sierra

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Box plot showing in different cell types

UMAP showing 2D embeddings of cell types based on the gene expression profile

UMAP showing distribution in single cells

Scatter plot showing correlation between gene expression and