General Information and Variability Data of DT
Gene Name ABCB9
Protein Name TAP-like protein
Synonyms ABC transporter 9 protein; ABCB9; ATP-binding cassette sub-family B member 9; ATP-binding cassette transporter 9; EST122234; KIAA1520; TAPL; hABCB9
Gene ID
UniProt ID
DT Family ATP-Binding Cassette (ABC) Superfamily
MHC Peptide Transporter (TAP) Family (ABCB)
Tissue Specificity Highly expressed in testis, and at moderatelevels in brain, spinal cord, and thyroid. Not expressed inmonocytes but strongly expressed during differentiation ofmonocytes to dendritic cells and macrophages.
Function This ATP-dependent low-affinity peptide transporter transporting a broad spectrum of peptides from the cytosol to the lysosomal lumen.
Genetic Polymorphisms & Epigenetic Regulations of DT
Species-, Tissue- and Disease-specific Protein Abundances of DT
Approved Drug(s) Transported by This DT Docetaxel Drug Info Lung cancer [ICD-11: 2C25] Approved [1]
Paclitaxel Drug Info Breast cancer [ICD-11: 2C60-2C6Z] Approved [2]
Endogenous Substrate(s) Peptides
1 RNA-sequencing dissects the transcriptome of polyploid cancer cells that are resistant to combined treatments of cisplatin with paclitaxel and docetaxel. Mol Biosyst. 2017 Sep 26;13(10):2125-2134.
2 Overexpression of microRNA-24 increases the sensitivity to paclitaxel in drug-resistant breast carcinoma cell lines via targeting ABCB9. Oncol Lett. 2016 Nov;12(5):3905-3911.

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