Target General Information
Target ID T56556
Target Name ATP-binding cassette sub-family G member 2 (ABCG2) Target Info
Gene Name ABCG2
Species Homo sapiens
Uniprot ID ABCG2_HUMAN
Sequence MSSSNVEVFIPVSQGNTNGFPATASNDLKAFTEGAVLSFHNICYRVKLKSGFLPCRKPVE
KEILSNINGIMKPGLNAILGPTGGGKSSLLDVLAARKDPSGLSGDVLINGAPRPANFKCN
SGYVVQDDVVMGTLTVRENLQFSAALRLATTMTNHEKNERINRVIQELGLDKVADSKVGT
QFIRGVSGGERKRTSIGMELITDPSILFLDEPTTGLDSSTANAVLLLLKRMSKQGRTIIF
SIHQPRYSIFKLFDSLTLLASGRLMFHGPAQEALGYFESAGYHCEAYNNPADFFLDIING
DSTAVALNREEDFKATEIIEPSKQDKPLIEKLAEIYVNSSFYKETKAELHQLSGGEKKKK
ITVFKEISYTTSFCHQLRWVSKRSFKNLLGNPQASIAQIIVTVVLGLVIGAIYFGLKNDS
TGIQNRAGVLFFLTTNQCFSSVSAVELFVVEKKLFIHEYISGYYRVSSYFLGKLLSDLLP
MRMLPSIIFTCIVYFMLGLKPKADAFFVMMFTLMMVAYSASSMALAIAAGQSVVSVATLL
MTICFVFMMIFSGLLVNLTTIASWLSWLQYFSIPRYGFTALQHNEFLGQNFCPGLNATGN
NPCNYATCTGEEYLVKQGIDLSPWGLWKNHVALACMIVIFLTIAYLKLLFLKKYS [Hom
o sapiens]
Drug Resistance Mutation and Corresponding Drugs
Mutation Info Missense: R482*
Drugs
Drug Name Teniposide Drug Info [1]
Targeted Disease Cancer
Drug Name Etoposide Drug Info [1]
Targeted Disease Cancer
Mutation Info Missense: R482G
Drugs
Drug Name Mitoxantrone Drug Info [2]
Targeted Disease Breast Cancer
Drug Name Methotrexate Drug Info [3]
Targeted Disease Cancer
Mutation Info Missense: R482M
Drugs
Drug Name Zidovudine Drug Info [4]
Targeted Disease HIV infection
Mutation Info Missense: R482T
Drugs
Drug Name Topotecan Drug Info [5]
Targeted Disease Cancer
Level of Resistance Low-level resistance
Drug Name Anthracycline Drug Info [5]
Targeted Disease Cancer
Level of Resistance High-level resistance
Drug Name SN-38 Drug Info [5]
Targeted Disease Cancer
Level of Resistance Low-level resistance
Reference
REF 1Mouse breast cancer resistance protein (Bcrp1/Abcg2) mediates etoposide resistance and transport, but etoposide oral availability is limited primarily by P-glycoprotein.
REF 2Arginine482 to threonine mutation in the breast cancer resistance protein ABCG2 inhibits rhodamine 123 transport while increasing binding.
REF 3Arginine-482 is not essential for transport of antibiotics, primary bile acids and unconjugated sterols by the human breast cancer resistance protein (ABCG2).
REF 4Induction of cellular resistance to nucleoside reverse transcriptase inhibitors by the wild-type breast cancer resistance protein.
REF 5Acquired mutations in the MXR/BCRP/ABCP gene alter substrate specificity in MXR/BCRP/ABCP-overexpressing cells.

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