TAAR Nomenclature | Previous Nomenclatures | Maximum Functional Isoforms | Possible Pseudogenes | Ligand Tuning | Notes |
---|---|---|---|---|---|
TAAR1 | TRAR1, TA1, TAR1, TA1 | 1 | 2 | Primary amines | Two pseudogenes only reported in the bottlenose dolphin |
The elephant shark is the only other species with multiple isoforms reported (one functional, one pseudogene) | |||||
TAAR2 | GPR58 | 2 | 2 (lesser hedgehog tennec), 1 (multiple species) | Primary amines | TAAR2 is the only tetrapod TAAR gene to contain multiple (2) exons |
The chicken is the only species reported to have two functional TAAR2 genes | |||||
TAAR3 | GPR57P | 1 | 1 | Primary amines | |
TAAR4 | TA2P, 5-HT4P, TA2 | 5 | 2 | Primary amines | |
TAAR5 | PNR | 2 | 1 | Tertiary amines | The horse is the only species reported to have multiple functional isoforms |
TAAR6 | TRAR4, TA4 | 5 | 6 | Tertiary amines | |
Diamine binding pocket | |||||
TAAR7 | TA12 (TAAR7a) | 16 | 4 | Tertiary amines | |
TA15 (TAAR7d) | |||||
TA14 (TAAR7e) | |||||
TA13P (TAAR7f) | |||||
TA9 (TAAR 7g) | |||||
TA6 (TAAR7h) | |||||
TAAR8 | TRAR5, TA5, TAR5, GPR102 | 3 | 3 | Tertiary amines | |
TA11 (TAAR8a) | Diamine binding pocket | ||||
TA7 (TAAR8b) | |||||
TA10 (TAAR8c) | |||||
TAAR9 | TRAR3, TA3, TAR3 | 7 | 1 | Tertiary amines | |
TAAR E1 | 2 | 2 | Novel family recently proposed | ||
TAAR M1 | 1 | 1 | Novel family recently proposed. Only present in marsupials | ||
TAAR M2 | 9 | 2 | Novel family recently proposed. Only present in marsupials | ||
TAAR M3 | 5 | 1 | Novel family recently proposed. Only present in marsupials | ||
Teleost-specific isoforms | Up to 24 species-specific pseudogenes are present but individual pseudogene isoforms have rarely been reported | ||||
TAAR10 | 5 | ||||
TAAR11 | zTA1a | 1 | |||
TAAR12 | zTA69 (TAAR12b) | 13 | |||
zTA71 (TAAR12d) | |||||
zTA72 (TAAR12f) | |||||
zTA73 (TAAR12k) | |||||
TAAR13 | zTA64 (TAAR13b) | 5 | Diamines (TAAR13c) | ||
zTA65 (TAAR13c) | |||||
zTA66 (TAAR13e) | |||||
TAAR14 | zTA70 (TAAR14d) | 12 | Diamine binding pocket in some isoforms | ||
zTA68 (TAAR14i) | |||||
zTA67 (TAAR14k) | |||||
TAAR15 | 2 | ||||
TAAR16 | zTA63 (TAAR16c) | 7 | |||
zTA62 (TAAR16e) | |||||
zTA36 (TAAR16f) | |||||
zTA35 (TAAR16g) | |||||
TAAR17 | zTA48 (TAAR17a) | 3 | |||
zTA47 (TAAR17b) | |||||
zTA49 (TAAR17c) | |||||
TAAR18 | zTA28 (TAAR18d) | 11 | |||
zTA61 (TAAR18f) | |||||
zTA27 (TAAR18g) | |||||
zTA18 (TAAR18h) | |||||
zTA19 (TAAR18i) | |||||
zTA20 (TAAR18j) | |||||
TAAR19 | zTA54 (TAAR19c) | 22 | |||
zTA34 (TAAR19d) | |||||
zTA59 (TAAR19f) | |||||
zTA33 (TAAR19g) | |||||
zTA50 (TAAR19h) | |||||
zTA31 (TAAR19i) | |||||
zTA32 (TAAR19l) | |||||
zTA51 (TAAR19o) | |||||
zTA29 (TAAR19q) | |||||
zTA30 (TAAR19s) | |||||
zTA16 (TAAR19u) | |||||
TAAR20 | zTA44 (TAAR20a) | 30 | |||
zTA23 (TAAR20a1) | |||||
zTA39 (TAAR20b) | |||||
zTA21 (TAAR20b1) | |||||
zTA45 (TAAR20c) | |||||
zTA40 (TAAR20d) | |||||
zTA38 (TAAR20e) | |||||
zTA41 (TAAR20f) | |||||
zTA43 (TAAR20i) | |||||
zTA53 (TAAR20j) | |||||
zTA25 (TAAR20k) | |||||
zTA57 (TAAR20l) | |||||
zTA24 (TAAR20m) | |||||
zTA42 (TAAR20o) | |||||
zTA90+ (TAAR20p) | |||||
zTA91+ (TAAR20q) | |||||
zTA37 (TAAR20r) | |||||
zTA56 (TAAR20t) | |||||
zTA55 (TAAR20u) | |||||
zTA46 (TAAR20w) | |||||
zTA26 (TAAR20x) | |||||
zTA22 (TAAR20y) | |||||
zTA52 (TAAR20z) | |||||
TAAR21 | 6 | ||||
TAAR22 | 6 | ||||
TAAR23 | 15 | ||||
TAAR24 | 3 | ||||
TAAR25 | 12 | ||||
TAAR26 | 28 | ||||
TAAR27 | 6 | ||||
TAAR28 | 8 | ||||
Lamprey outgroups | |||||
TAAR-like | 25 | 17 |
GPR57, G protein–coupled receptor 57; GPR58, G protein–coupled receptor 58; PNR, putative neurotransmitter receptor.