Extended Data Table 5|.

Template switch sequences, constant region primers and isotype-specific internal constant region sequences for bulk BCR sequencing and processing

Template switch sequences
TS-shift0	TACGGG
TS-shift1	ATACGGG
TS-shift2	TCTACGGG
TS-shift3	CGATACGGG
TS-shift4	GATCTACGGG
Constant region primers
Human-IGHM	GAATTCTCACAGGAGACGAGG
Human-IGHD	TGTCTGCACCCTGATATGATGG
Human-IGHA	GGGTGCTGYMGAGGCTCAG
Human-IGHE	TTGCAGCAGCGGGTCAAGG
Human-IGHG	CCAGGGGGAAGACSGATG
Human-IGK	GACAGATGGTGCAGCCACAG
Human-IGL	AGGGYGGGAACAGAGTGAC
Isotype-specific internal constant region sequences
Human-IGHA-InternalC	GGCTGGTCGGGGATGC
Human-IGHD-InternalC	GAGCCTTGGTGGGTGC
Human-IGHE-InternalC	GGCTCTGTGTGGAGGC
Human-IGHG-InternalC	GGCCCTTGGTGGARGC
Human-IGHM-InternalC	GGGCGGATGCACTCCC
Human-IGKC-IGKJ-InternalC	TTCGTTTRATHTCCAS
Human-IGLC-1-InternalC	TGGGGTTGGCCTTGGG
Human-IGLC-2-InternalC	AGGGGGCAGCCTTGGG
Human-IGLC-3-InternalC	YRGCCTTGGGCTGACC
Human-IGLC-4-InternalC	GCTGCCAAACATGTGC