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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: Clin Pharmacol Ther. 2019 May 30;106(2):290–294. doi: 10.1002/cpt.1468

Table 1.

31 genes designated by CPIC as A or B level genes, along with factors to consider when designing MAVEs.

Gene Drug(s) Length (AA) Total possible single AA variants Missense variants in gnomAD Missense variants in PharmVar Localization
MT-RNR1 aminoglycoside antibacterials 16 300 0 0 Secreted
NUDT15 azathioprine, mercaptopurine, thioguanine 164 3,260 83 12 Cytoplasm
IFNL3 peginterferon alfa-2a, peginterferon alfa-2b, ribavirin 196 3,900 152 0 Secreted
HPRT1 mycophenolic acid 218 4,340 20 0 Cytoplasm
TPMT azathioprine, mercaptopurine, thioguanine 245 4,880 119 0 Cytoplasm
OTC valproic acid 354 7,060 88 0 Mitochondrion matrix
HLA-B abacavir, allopurinol, carbamazepine, oxcarbazepine 362 7,220 180 0 Membrane; Single-pass type I membrane protein
HLA-A carbamazepine, allopurinol 365 7,280 194 0 Membrane; Single-pass type I membrane protein
ASS1 valproic acid 412 8,220 211 0 Cytoplasm
ASL valproic acid 464 9,260 242 0 Cytoplasm, extracellular exosome
CYP2C9 phenytoin, warfarin, acenocoumarol 490 9,780 381 55 Endoplasmic reticulum membrane, peripheral membrane
CYP2C19 amitriptyline, clopidogrel, citalopram, voriconazole 490 9,780 375 5 Endoplasmic reticulum membrane, peripheral membrane
CYP2B6 efavirenz, methadone 491 9,800 331 0 Endoplasmic reticulum membrane, peripheral membrane
CYP2D6 codeine, oxycodone, tamoxifen, tramadol 497 9,920 374 30 Endoplasmic reticulum membrane, peripheral membrane
CYP3A5 tacrolimus 502 10,020 215 11 Endoplasmic reticulum membrane, peripheral membrane
G6PD rasburicase, chloramphenicol, chloroquine, ciprofloxacin 515 10,280 171 0 Cytoplasm, extracellular exosome, nucleus
CYP4F2 warfarin, acenocoumarol 520 10,380 344 2 Endoplasmic reticulum membrane, peripheral membrane
UGT1A1 atazanavir, irinotecan, belinostat 533 10,640 308 0 Endoplasmic reticulum membrane; Single-pass membrane protein
NAGS carglumic acid 534 10,660 216 0 Mitochondrion matrix
GBA velaglucerase alfa 536 10,700 247 0 Lysosome membrane, peripheral membrane protein
SLCO1B1 simvastatin, cerivastatin 691 13,800 399 0 Basolateral cell membrane, Multi-pass membrane protein
DPYD capecitabine, fluorouracil 1,025 20,480 566 0 Cytoplasm
ABL2 valproic acid 1,182 23,620 509 0 Cytoplasm, cytoskeleton
POLG valproic acid 1,239 24,760 762 0 Mitochondrion, mitochondrion matrix, mitochondrion nucleoid
ABCB1 antidepressants, digoxin 1,280 25,580 578 0 Cell membrane, multi-pass membrane protein
CFTR ivacaftor 1,480 29,580 991 0 Apical cell membrane
CPS1 valproic acid 1,500 29,980 679 0 Mitochondrion, nucleus, nucleolus
CACNA1S desflurane, enflurane, isoflurane, halothane 1,873 37,440 1,071 0 Cell membrane, sarcolemma, T-tubule, multi-pass membrane protein
SCN1A carbamazepine 2,009 40,160 587 0 Cell membrane, multi-pass membrane protein
RYR1 desflurane, enflurane, isoflurane, halothane 5,038 100,740 2,663 0 Sarcoplasmic reticulum membrane, multi-pass membrane protein