switch sequence

synonym: switch region
https://doi.org/10.1351/goldbook.13705
Highly conserved repetitive sequence that mediates class switching in the immunoglobulin (Ig) heavy chain gene locus.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1248 [Terms] [Paper]