Approximately 11.3kb deletion that removes most of the chrb transcription unit (also deletes the chrb loop anchor located in the chrb intron). Sequence encoding a single loxP site and a single attP site is present in place of the deleted sequence.
Approximately 11.3kb deletion that removes most of the chrb transcription unit. Sequence encoding a single loxP site and a single attP site is present in place of the deleted sequence.