9JR3: PTH-PTH1R-Gq

Cryo-EM structure of PTH-PTH1R-Gq (tilted state). Determined by electron microscopy at 2.8 Å resolution. Released 16 Oct 2024.

Method
Electron microscopy
Resolution
2.8 Å
Organisms
Homo sapiens, Rattus rattus, Bos taurus
Chains
6
Atoms
9,455
Mol. weight
169.42 kDa
Released
16 Oct 2024

Explore 9JR3 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

9JR3 contains 36 α-helices and 71 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: 9 helices, 9 β-strands

ElementResiduesLengthSheet
α-helix7-3024
β-strand34-3964
β-strand6915
β-strand72-7654
β-strand79-8574
β-strand8615
α-helix97-1004
β-strand105-11174
α-helix118-12912
α-helix132-1343
β-strand139-14464
α-helix146-15510
α-helix160-1634
α-helix165-1695
α-helix184-20118
β-strand21114
β-strand214-21524
α-helix224-24320
Chain B: 3 helices, 28 β-strands
ElementResiduesLengthSheet
α-helix5-2420
α-helix30-334
β-strand47-5156
β-strand58-6367
β-strand69-7467
β-strand78-8367
β-strand88-9477
β-strand100-10568
β-strand111-11668
β-strand121-12558
α-helix129-1313
β-strand134-13968
β-strand146-15389
β-strand156-16169
β-strand165-17069
β-strand175-18179
β-strand187-192610
β-strand198-203610
β-strand208-212510
β-strand218-222510
β-strand229-234611
β-strand240-245611
β-strand250-254511
β-strand260-264511
β-strand273-278612
β-strand284-289612
β-strand294-298512
β-strand304-308512
β-strand315-32066
β-strand327-33156
β-strand336-33946
Chain G: 4 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix12-2312
α-helix30-4314
α-helix45-473
α-helix53-553
Chain P: 2 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix3-1614
α-helix18-3316
Chain R: 16 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix34-5320
β-strand111-11221
β-strand117-11821
β-strand126-13052
α-helix131-1322
β-strand143-14752
α-helix1551
β-strand15613
α-helix1571
β-strand16313
β-strand16612
α-helix177-21135
α-helix213-2153
α-helix218-24427
α-helix279-31133
α-helix318-34629
α-helix361-39030
α-helix400-41718
α-helix419-4224
α-helix435-44915
α-helix451-4566
α-helix457-4615
α-helix464-48118
Chain S: 2 helices, 27 β-strands
ElementResiduesLengthSheet
β-strand3-7513
β-strand10-12314
β-strand18-25813
α-helix29-313
β-strand33-39714
β-strand45-51714
α-helix53-553
β-strand58-60314
β-strand69-73513
β-strand78-83613
β-strand92-99814
β-strand110114
β-strand113113
β-strand115-119514
β-strand128-129215
β-strand135-136216
β-strand143-146417
β-strand148-149215
β-strand154118
β-strand160118
β-strand162-167619
β-strand174-178519
β-strand182-183219
β-strand191-196617
β-strand199-204617
β-strand214-219619
β-strand227119
β-strand231-232219
β-strand233-234216

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Parathyroid hormone/parathyroid hormone-related peptide receptorRprotein567Homo sapiensQ03431 (AlphaFold model)
Parathyroid hormonePprotein35Homo sapiensP01270 (AlphaFold model)
Guanine nucleotide-binding protein G(i) subunit alpha-1 (miniGq)Aprotein245Homo sapiensP63092 (AlphaFold model)
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1Bprotein344Rattus rattusP54311 (AlphaFold model)
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2Gprotein68Bos taurusP63212
scFv16Sprotein260Mus musculus
Sequence of entity 1 (R), FASTA
>9JR3_1 Parathyroid hormone/parathyroid hormone-related peptide receptor (chains R)
DADDVMTKEEQIFLLHRAQAQCEKRLKEVLQRPASIMESDKGWTSASTSGKPRKDKASGK
LYPESEEDKEAPTGSRYRGRPCLPEWDHILCWPLGAPGEVVAVPCPDYIYDFNHKGHAYR
RCDRNGSWELVPGHNRTWANYSECVKFLTNETREREVFDRLGMIYTVGYSVSLASLTVAV
LILAYFRRLHCTRNYIHMHLFLSFMLRAVSIFVKDAVLYSGATLDEAERLTEEELRAIAQ
APPPPATAAAGYAGCRVAVTFFLYFLATNYYWILVEGLYLHSLIFMAFFSEKKYLWGFTV
FGWGLPAVFVAVWVSVRATLANTGCWDLSSGNKKWIIQVPILASIVLNFILFINIVRVLA
TKLRETNAGRCDTRQQYRKLLKSTLVLMPLFGVHYIVFMATPYTEVSGTLWQVQMHYEML
FNSFQGFFVAIIYCFCNGEVQAEIKKSWSRWTLALDFKRKARSGSSSYSYGPMVSHTSVT
NVGPRVGLGLPLSPRLLPTATTNGHPQLPGHAKPGTPALETLETTPPAMAAPKDDGFLNG
SCSGLDEEASGPERPPALLQEEWETVM
Sequence of entity 2 (P), FASTA
>9JR3_2 Parathyroid hormone (chains P)
SVSEIQLMHNLGKHLNSMERVEWLRKKLQDVHNFX
Sequence of entity 3 (A), FASTA
>9JR3_3 Guanine nucleotide-binding protein G(i) subunit alpha-1 (miniGq) (chains A)
GSTVSAEDKAAAERSKMIDKNLREDGEKARRTLRLLLLGADNSGKSTIVKQMRILHGGSG
GSGGTSGIFETKFQVDKVNFHMFDVGGQRDERRKWIQCFNDVTAIIFVVDSSDYNRLQEA
LNDFKSIWNNRWLRTISVILFLNKQDLLAEKVLAGKSKIEDYFPEFARYTTPEDATPEPG
EDPRVTRAKYFIRKEFVDISTASGDGRHICYPHFTCAVDTENARRIFNDCKDIILQMNLR
EYNLV
Sequence of entity 4 (B), FASTA
>9JR3_4 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 (chains B)
GSQLQSELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHLA
KIYAMHWGTDSRLLVSASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACGG
LDNICSIYNLKTREGNVRVSRELAGHTGYLSCCRFLDDNQIVTSSGDTTCALWDIETGQQ
TTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDINAICFFP
NGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCNV
WDALKADRAGVLAGHDNRVSCLGVTDDGMAVATGSWDSFLKIWN
Sequence of entity 5 (G), FASTA
>9JR3_5 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 (chains G)
MASNNTASIAQARKLVEQLKMEANIDRIKVSKAAADLMAYCEAHAKEDPLLTPVPASENP
FREKKFFS
Sequence of entity 6 (S), FASTA
>9JR3_6 scFv16 (chains S)
DVQLVESGGGLVQPGGSRKLSCSASGFAFSSFGMHWVRQAPEKGLEWVAYISSGSGTIYY
ADTVKGRFTISRDDPKNTLFLQMTSLRSEDTAMYYCVRSIYYYGSSPFDFWGQGTTLTVS
SGGGGSGGGGSGGGGSDIVMTQATSSVPVTPGESVSISCRSSKSLLHSNGNTYLYWFLQR
PGQSPQLLIYRMSNLASGVPDRFSGSGSGTAFTLTISRLEAEDVGVYYCMQHLEYPLTFG
AGTKLELKAAAASSEDLYFQ

Primary citation

Insights into G-protein coupling preference from cryo-EM structures of G q -bound PTH1R. Sano, F.K., Shimizume, K., Kobayashi, K. et al. Nat Chem Biol (2025) 21:1906-1914. DOI 10.1038/s41589-025-01957-6 · PubMed

Other PDB entries of the same protein (UniProt Q03431 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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