library_construction_protocol: Cells were captured with beads in microwell plate, followed by cell lysis, bead retrieval, cDNA synthesis, template switching, and Klenow extension. Full-length cDNA along with cell barcode identifiers were PCR-amplified and multiple types of libraries, including whole transcriptome, TCR, BCR, Sample Tags, and AbSeq, were prepared and normalized using the BD Rhapsody WTA amplification kit (Cat. #633801) and BD Rhapsody TCR/BCR amplification kit, (Cat. #665345) following manufacturer's instruction.