ABCB9

(redirected from ABC transporter 9 protein)

ABCB9

A gene on chromosome 12q24 that encodes an ATP-binding cassette (ABC) transporter superfamily of integral membrane proteins, MDR/TAP subfamily, which is involved in multi-drug resistance as well as antigen presentation. ABCB9 is involved in translocating peptides from the cytosol into the inside of lyosomes.