8FLQ: Human PTH1R

Human PTH1R in complex with PTH(1-34) and Gs. Determined by electron microscopy at 2.55 Å resolution. Released 26 Apr 2023.

Method: Electron microscopy
Resolution: 2.55 Å
Organisms: Homo sapiens, Lama glama
Chains: 6
Atoms: 8,992
Mol. weight: 177 kDa
Released: 26 Apr 2023

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

Secondary structure: helices and β-sheets

8FLQ contains 42 α-helices and 59 β-strands across 6 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: 10 helices, 8 β-strands

Element	Residues	Length	Sheet
α-helix	15-39	25
β-strand	40-47	8	1
α-helix	53-62	10
β-strand	207-214	8	1
β-strand	217-224	8	1
α-helix	234-238	5
β-strand	243-248	6	1
α-helix	265-277	13
β-strand	286-291	6	1
β-strand	293	1	2
α-helix	294-303	10
α-helix	308-311	4
α-helix	314-317	4
α-helix	326-327	2
α-helix	332-350	19
β-strand	359-363	5	1
β-strand	365	1	2
α-helix	370-390	21

Chain B: 3 helices, 28 β-strands

Element	Residues	Length	Sheet
α-helix	5-25	21
α-helix	30-33	4
β-strand	47-51	5	3
β-strand	58-63	6	4
β-strand	69-74	6	4
β-strand	78-83	6	4
β-strand	88-94	7	4
α-helix	95	1
β-strand	100-105	6	5
β-strand	111-116	6	5
β-strand	121-125	5	5
β-strand	135-139	5	5
β-strand	146-151	6	6
β-strand	156-161	6	6
β-strand	165-170	6	6
β-strand	175-181	7	6
β-strand	187-192	6	7
β-strand	198-203	6	7
β-strand	207-212	6	7
β-strand	218-223	6	7
β-strand	229-234	6	8
β-strand	240-245	6	8
β-strand	250-254	5	8
β-strand	260-264	5	8
β-strand	273-278	6	9
β-strand	284-289	6	9
β-strand	294-298	5	9
β-strand	303-308	6	9
β-strand	315-320	6	3
β-strand	327-331	5	3
β-strand	336-339	4	3

Chain G: 3 helices, 0 β-strands

Element	Residues	Length
α-helix	8-24	17
α-helix	30-43	14
α-helix	45-47	3

Chain N: 3 helices, 12 β-strands

Element	Residues	Length	Sheet
β-strand	3-7	5	10
β-strand	11	1	11
β-strand	18-25	8	10
α-helix	29-31	3
β-strand	34-39	6	12
β-strand	46-51	6	12
β-strand	58-60	3	12
α-helix	62-64	3
β-strand	68-73	6	10
β-strand	78-83	6	10
α-helix	88-90	3
β-strand	92-98	7	12
β-strand	118	1	12
β-strand	122-124	3	12
β-strand	125	1	11

Chain P: 1 helix, 0 β-strands

Element	Residues	Length	Sheet
α-helix	3-31	29

Chain R: 22 helices, 11 β-strands

Element	Residues	Length	Sheet
α-helix	34-52	19
α-helix	106-107	2
β-strand	108	1	13
α-helix	109-110	2
β-strand	111-112	2	14
β-strand	117-118	2	14
α-helix	120	1
β-strand	121	1	13
α-helix	122	1
β-strand	126-130	5	15
α-helix	131-132	2
β-strand	143-147	5	15
β-strand	148	1	16
β-strand	154	1	16
α-helix	155	1
β-strand	156	1	17
α-helix	157	1
β-strand	163	1	17
α-helix	164	1
β-strand	166	1	15
α-helix	168-171	4
α-helix	178-211	34
α-helix	218-245	28
α-helix	279-311	33
α-helix	317-342	26
α-helix	343-347	5
α-helix	357-360	4
α-helix	361-391	31
α-helix	400-417	18
α-helix	419-422	4
α-helix	435-456	22
α-helix	457-461	5
α-helix	464-478	15

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Guanine nucleotide-binding protein G(s) subunit alpha isoforms short	A	protein	394	Homo sapiens	P63092 (AlphaFold model)
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	B	protein	340	Homo sapiens	P62873 (AlphaFold model)
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	G	protein	58	Homo sapiens	P59768 (AlphaFold model)
Nanobody35	N	protein	128	Lama glama
Parathyroid hormone	P	protein	34	Homo sapiens	P01270 (AlphaFold model)
Parathyroid hormone/parathyroid hormone-related peptide receptor	R	protein	616	Homo sapiens	Q03431

Sequence of entity 1 (A), FASTA

>8FLQ_1 Guanine nucleotide-binding protein G(s) subunit alpha isoforms short (chains A)
MGCLGNSKTEDQRNEEKAQREANKKIEKQLQKDKQVYRATHRLLLLGAGESGKNTIVKQM
RILHVNGFNGEGGEEDPQAARSNSDGEKATKVQDIKNNLKEAIETIVAAMSNLVPPVELA
NPENQFRVDYILSVMNVPDFDFPPEFYEHAKALWEDEGVRACYERSNEYQLIDCAQYFLD
KIDVIKQADYVPSDQDLLRCRVLTSGIFETKFQVDKVNFHMFDVGAQRDERRKWIQCFND
VTAIIFVVASSSYNMVIREDNQTNRLQAALKLFDSIWNNKWLRDTSVILFLNKQDLLAEK
VLAGKSKIEDYFPEFARYTTPEDATPEPGEDPRVTRAKYFIRDEFLRISTASGDGRHYCY
PHFTCAVDTENIRRVFNDCRDIIQRMHLRQYELL

Sequence of entity 2 (B), FASTA

>8FLQ_2 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 (chains B)
QSELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHLAKIYA
MHWGTDSRLLVSASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACGGLDNI
CSIYNLKTREGNVRVSRELAGHTGYLSCCRFLDDNQIVTSSGDTTCALWDIETGQQTTTF
TGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDINAICFFPNGNA
FATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCNVWDAL
KADRAGVLAGHDNRVSCLGVTDDGMAVATGSWDSFLKIWN

Sequence of entity 3 (G), FASTA

>8FLQ_3 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 (chains G)
NTASIAQARKLVEQLKMEANIDRIKVSKAAADLMAYCEAHAKEDPLLTPVPASENPFR

Sequence of entity 4 (N), FASTA

>8FLQ_4 Nanobody35 (chains N)
QVQLQESGGGLVQPGGSLRLSCAASGFTFSNYKMNWVRQAPGKGLEWVSDISQSGASISY
TGSVKGRFTISRDNAKNTLYLQMNSLKPEDTAVYYCARCPAPFTRDCFDVTSTTYAYRGQ
GTQVTVSS

Sequence of entity 5 (P), FASTA

>8FLQ_5 Parathyroid hormone (chains P)
SVSEIQLMHNLGKHLNSMERVEWLRKKLQDVHNF

Sequence of entity 6 (R), FASTA

>8FLQ_6 Parathyroid hormone/parathyroid hormone-related peptide receptor (chains R)
MKTIIALSYIFCLVFADYKDDDDLEVLFQGPADDVMTKEEQIFLLHRAQAQCEKRLKEVL
QRPASIMESDKGWTSASTSGKPRKDKASGKLYPESEEDKEAPTGSRYRGRPCLPEWDHIL
CWPLGAPGEVVAVPCPDYIYDFNHKGHAYRRCDRNGSWELVPGHNRTWANYSECVKFLTN
ETREREVFDRLGMIYTVGYSVSLASLTVAVLILAYFRRLHCTRNYIHMHLFLSFMLRAVS
IFVKDAVLYSGATLDEAERLTEEELRAIAQAPPPPATAAAGYAGCRVAVTFFLYFLATNY
YWILVEGLYLHSLIFMAFFSEKKYLWGFTVFGWGLPAVFVAVWVSVRATLANTGCWDLSS
GNKKWIIQVPILASIVLNFILFINIVRVLATKLRETNAGRCDTRQQYRKLLKSTLVLMPL
FGVHYIVFMATPYTEVSGTLWQVQMHYEMLFNSFQGFFVAIIYCFCNGEVQAEIKKSWSR
WTLALDFKRKARSGSSSYSYGPMVSHTSVTNVGPRVGLGLPLSPRLLPTATTNGHPQLPG
HAKPGTPALETLETTPPAMAAPKDDGFLNGSCSGLDEEASGPERPPALLQEEWETVMPAG
LEVLFQGPHHHHHHHH

Primary citation

Molecular insights into peptide agonist engagement with the PTH receptor. Cary, B.P., Gerrard, E.J., Belousoff, M.J. et al. Structure (2023) 31:668-676.e5. DOI 10.1016/j.str.2023.04.002 · PubMed

Other PDB entries of the same protein (UniProt P63092 (AlphaFold model), which also has an AlphaFold model), best resolution first:

7BPH 1.57 Å, Crystal structure of GppNHp-bound GNAS in complex with the cyclic peptide inhibitor GN13
6AU6 1.7 Å, Crystal structure of GDP-bound human GNAS R201C mutant
8F0K 1.9 Å, Human Amylin3 Receptor in complex with Gs and Pramlintide analogue peptide San385
7E5E 1.95 Å, Crystal structure of GDP-bound GNAS in complex with the cyclic peptide inhibitor GD20
7MBX 1.95 Å, Human Cholecystokinin 1 receptor (CCK1R) Gs complex
8F0J 2.0 Å, Calcitonin Receptor in complex with Gs and Pramlintide analogue peptide San45
8F2B 2.0 Å, Amylin 3 Receptor in complex with Gs and Pramlintide analogue peptide San45
9XXT 2.0 Å, Cryo-EM structure of lysophosphatidylserine (18:0)-bound GPR174-Gs complex
6X18 2.1 Å, GLP-1 peptide hormone bound to Glucagon-Like peptide-1 (GLP-1) Receptor
6X19 2.1 Å, Non peptide agonist CHU-128, bound to Glucagon-Like peptide-1 (GLP-1) Receptor
9NTU 2.1 Å, Cryo-EM structure of BETP-GLP-1(9-36)-GLP-1R-Gs complex
7RTB 2.14 Å, Peptide-19 bound to the Glucagon-Like Peptide-1 Receptor (GLP-1R)

Browse structure collections

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