Experiment	GSM2883196	Study	GSE107910 
Organism	Mus musculus (mm10)	Tissue	Thymus
Protocol	Drop-seq	Sample#	1
Sample Run	SRR6365745
Reference	Kernfeld, E. M., et al. (2018). A Single-Cell Transcriptomic Atlas of Thymus Organogenesis Resolves Cell Types and Developmental Maturation. Immunity 48(6): 1258-1270.e1256.

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Gene#	12914	Cell#	836
PolyA site#	scAPAtrap 13127Sierra -	Gene with polyA site#	scAPAtrap 10073Sierra -
APA event#	scAPAtrap 5208Sierra -	Gene with APA event#	scAPAtrap 2154Sierra -
Cell types 3	Thymocytes: 690Thymus-derived regulatory T (Treg) cell: 124Naive thymic NKT17 cell: 22

APA index

PolyA Site Expression APA Usage Weighted 3' UTR Length

PolyA Site Expression

APA Usage

Weighted 3' UTR Length

Tools

scAPAtrap

scAPAtrap

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Box plot showing poly(A) site expression in different cell types

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

UMAP showing distribution poly(A) site expression in single cells

Scatter plot showing correlation between gene expression and poly(A) site expression