Experiment	GSM3040907	Study	GSE109774 
Organism	Mus musculus (mm10)	Tissue	Lung
Protocol	10X	Sample#	1
Sample Run	SRR6835861
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#	14228	Cell#	1522
PolyA site#	scAPAtrap 14266Sierra 22846	Gene with polyA site#	scAPAtrap 11961Sierra 13371
APA event#	scAPAtrap 4208Sierra 15279	Gene with APA event#	scAPAtrap 1903Sierra 5821
Cell types 7	Myeloid cell: 716T cell: 196Lipofibroblast: 158Matrix fibroblast: 116Endothelial cell: 302Pericyte: 17Type II pneumocyte: 17

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