Table 1.

Description of patch-seq datasets re-analyzed in this study.

Dataset	Description	Preparation	RNA amplification	Number of cells	Accession
Cadwell et al., 2015	Cortical layer 1 interneurons	Acute mouse slices	Smart-seq2	57	E-MTAB-4092
Fuzik et al., 2016	Cortical layer 1/2 interneurons and pyramidal cells	Acute mouse slices	STRT-C1 (with unique molecule identifiers)	80	GSE70844
Földy et al., 2016	Hippocampal CA1 and Subiculum pyramidal cells and regular- and fast-spiking interneurons	Acute mouse slices	SMARTer	93	GSE75386
Bardy et al., 2016	Stem-cell derived neurons and astrocytes	Differentiated human cells in culture	SMARTer	56	NA*
Chen et al., 2016	Stem-cell derived neurons	Differentiated human cells in culture	NEBNext Ultra DNA Library Prep Kit	20	GSE77564

^*Expression data obtained by contacting the authors directly.