8W8A: RO5256390-TAAR1 complex

Cryo-EM structure of the RO5256390-TAAR1 complex. Determined by electron microscopy at 2.8 Å resolution. Released 22 Nov 2023.

Method: Electron microscopy
Resolution: 2.8 Å
Organisms: Homo sapiens, Lama glama
Chains: 5
Atoms: 8,260
Mol. weight: 128.7 kDa
Ligands: T5U
Released: 22 Nov 2023

Explore 8W8A in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8W8A contains 35 α-helices and 47 β-strands across 5 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 9 helices, 7 β-strands

Element	Residues	Length	Sheet
α-helix	13-36	24
β-strand	40-47	8	1
α-helix	53-55	3
β-strand	69-75	7	1
β-strand	80-86	7	1
α-helix	96-100	5
β-strand	105-111	7	1
α-helix	118-130	13
β-strand	138-144	7	1
α-helix	146-155	10
α-helix	160-163	4
α-helix	165-167	3
α-helix	184-204	21
β-strand	211	1	1
β-strand	214-215	2	1
α-helix	223-242	20

Chain B: 4 helices, 28 β-strands

Element	Residues	Length	Sheet
α-helix	4-25	22
α-helix	30-33	4
α-helix	34-36	3
α-helix	38-39	2
β-strand	47-51	5	2
β-strand	58-63	6	3
β-strand	69-74	6	3
β-strand	78-83	6	3
β-strand	89-94	6	3
β-strand	100-105	6	4
β-strand	111-116	6	4
β-strand	121-125	5	4
β-strand	134-139	6	4
β-strand	146-151	6	5
β-strand	156-161	6	5
β-strand	166-170	5	5
β-strand	175-180	6	5
β-strand	187-192	6	6
β-strand	198-203	6	6
β-strand	207-212	6	6
β-strand	218-223	6	6
β-strand	229-234	6	7
β-strand	240-245	6	7
β-strand	250-254	5	7
β-strand	259-264	6	7
β-strand	273-278	6	8
β-strand	284-289	6	8
β-strand	294-298	5	8
β-strand	307-308	2	8
β-strand	315-320	6	2
β-strand	327-331	5	2
β-strand	336-339	4	2

Chain G: 3 helices, 0 β-strands

Element	Residues	Length
α-helix	7-23	17
α-helix	30-43	14
α-helix	53-55	3

Chain N: 3 helices, 12 β-strands

Element	Residues	Length	Sheet
β-strand	3-6	4	9
β-strand	10-12	3	10
β-strand	18-20	3	9
β-strand	22-25	4	9
α-helix	29-31	3
β-strand	34-39	6	10
β-strand	45-51	7	10
β-strand	58-60	3	10
α-helix	62-64	3
β-strand	69-73	5	9
β-strand	78-83	6	9
α-helix	88-90	3
β-strand	92-98	7	10
β-strand	118	1	10
β-strand	122-126	5	10

Chain R: 16 helices, 0 β-strands

Element	Residues	Length
α-helix	20-50	31
α-helix	57-75	19
α-helix	77-85	9
α-helix	93-126	34
α-helix	128-130	3
α-helix	131-134	4
α-helix	137-159	23
α-helix	169-179	11
α-helix	188-195	8
α-helix	196-200	5
α-helix	201-231	31
α-helix	248-273	26
α-helix	277-279	3
α-helix	283-301	19
α-helix	302-306	5
α-helix	309-317	9

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Guanine nucleotide-binding protein G(s) subunit alpha isoforms short	A	protein	246	Homo sapiens	P04899 (AlphaFold model), P63092 (AlphaFold model)
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	B	protein	345	Homo sapiens	P62873 (AlphaFold model)
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	G	protein	71	Homo sapiens	P59768 (AlphaFold model)
Nanobody35	N	protein	139	Lama glama
Trace amine-associated receptor 1	R	protein	339	Homo sapiens	Q96RJ0

Sequence of entity 1 (A), FASTA

>8W8A_1 Guanine nucleotide-binding protein G(s) subunit alpha isoforms short (chains A)
GGSGGSMGSTVSAEDKAAAERSKMIDKNLREDGEKAAAATHRLLLLGADNSGKSTIVKQM
RIYHVNSGIFETKFQVDKVNFHMFDVGAQRDERRKWIQCFNDVTAIIFVVDSSDYNRLQE
ALNDFKSIWNNRWLRTISVILFLNKQDLLAEKVLAGKSKIEDYFPEFARYTTPEDATPEP
GEDPRVTRAKYFIRDEFLRISTASGDGRHYCYPHFTCSVDTENARRIFNDCRDIIQRMHL
RQYELL

Sequence of entity 2 (B), FASTA

>8W8A_2 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 (chains B)
MGSLLQSELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHL
AKIYAMHWGTDSRLLVSASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACG
GLDNICSIYNLKTREGNVRVSRELAGHTGYLSCCRFLDDNQIVTSSGDTTCALWDIETGQ
QTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDINAICFF
PNGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCN
VWDALKADRAGVLAGHDNRVSCLGVTDDGMAVATGSWDSFLKIWN

Sequence of entity 3 (G), FASTA

>8W8A_3 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 (chains G)
MASNNTASIAQARKLVEQLKMEANIDRIKVSKAAADLMAYCEAHAKEDPLLTPVPASENP
FREKKFFCAIL

Sequence of entity 4 (N), FASTA

>8W8A_4 Nanobody35 (chains N)
MQVQLQESGGGLVQPGGSLRLSCAASGFTFSNYKMNWVRQAPGKGLEWVSDISQSGASIS
YTGSVKGRFTISRDNAKNTLYLQMNSLKPEDTAVYYCARCPAPFTRDCFDVTSTTYAYRG
QGTQVTVSSHHHHHHEPEA

Sequence of entity 5 (R), FASTA

>8W8A_5 Trace amine-associated receptor 1 (chains R)
MMPFCHNIINISCVKNNWSNDVRASLYSLMVLIILTTLVGNLIVIVSISHFKQLHTPTNW
LIHSMATVDFLLGCLVMPYSMVRSAEHCWYFGEVFCKIHTSTDIMLSSASIFHLSFISID
RYYAVCDPLRYKAKMNILVICVMIFISWSVPAVFAFGMIFLELNFKGAEEIYYKHVHCRG
GCSVFFSKISGVLTFMTSFYIPGSIMLCVYYRIYLIAKEQARLISDANQKLQIGLEMKNG
ISQSKERKAVKTLGIVMGVFLICWCPFFICTVMDPFLHYIIPPTLNDVLIWFGYLNSTFN
PMVYAFFYPWFRKALKMMLFGKIFQKDSSRCKLFLELSS

Ligands and cofactors

ID	Name	Formula	Copies
T5U	(4S)-4-[(2S)-2-phenylbutyl]-1,3-oxazolidin-2-imine	C13 H18 N2 O	1

Primary citation

Recognition of methamphetamine and other amines by trace amine receptor TAAR1. Liu, H., Zheng, Y., Wang, Y. et al. Nature (2023) 624:663-671. DOI 10.1038/s41586-023-06775-1 · PubMed

Other PDB entries of the same protein (UniProt P04899 (AlphaFold model), which also has an AlphaFold model), best resolution first:

8ZBW 2.58 Å, Cryo-EM structure of formyl peptide receptor 2/C1R receptor in complex with Gi
8THK 2.6 Å, Cryo-EM structure of A61603-bound alpha-1A-adrenergic receptor in complex with…
7YK7 2.75 Å, Cryo-EM structure of the DC591053-bound human relaxin family peptide receptor 4…
9K6L 2.77 Å, Cryo-EM structure of GPCR16-Gi2 complex
9XDQ 2.79 Å, Cryo-EM structure of BMS986187 bound DOR-Gi complex
7WVX 2.8 Å, Cryo-EM structure of the human formyl peptide receptor 2 in complex with fhumanin and Gi2
8ZSJ 2.8 Å, Cryo-EM structure of the apo hTAAR1-Gs complex
7WVV 2.9 Å, Cryo-EM structure of the human formyl peptide receptor 2 in complex with fMLFII and Gi2
9DQJ 2.9 Å, CryoEM structure of Gq-coupled MRGPRD with a new agonist EP-3945
9KFI 2.91 Å, Cryo-EM structure of the human relaxin family peptide receptor 3 in complex with…
9KFK 2.95 Å, Cryo-EM structure of the relaxin-3-bound human relaxin family peptide receptor 4…
8ZSV 2.96 Å, Cryo-EM structure of the RO5263397-bound mTAAR1-Gs complex

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