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- PDB-7fij: luteinizing hormone/choriogonadotropin receptor -

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Basic information

Entry
Database: PDB / ID: 7fij
Titleluteinizing hormone/choriogonadotropin receptor
ComponentsLutropin-choriogonadotropic hormone receptor
KeywordsMEMBRANE PROTEIN / glycoprotein hormone receptor / GPCR / luteinizing hormone / choriogonadotropin receptor
Function / homology
Function and homology information


luteinizing hormone receptor activity / choriogonadotropin hormone receptor activity / choriogonadotropin hormone binding / regulation of steroid hormone biosynthetic process / development of secondary male sexual characteristics / luteinizing hormone signaling pathway / positive regulation of inositol trisphosphate biosynthetic process / Hormone ligand-binding receptors / ovulation cycle process / cellular response to gonadotropin stimulus ...luteinizing hormone receptor activity / choriogonadotropin hormone receptor activity / choriogonadotropin hormone binding / regulation of steroid hormone biosynthetic process / development of secondary male sexual characteristics / luteinizing hormone signaling pathway / positive regulation of inositol trisphosphate biosynthetic process / Hormone ligand-binding receptors / ovulation cycle process / cellular response to gonadotropin stimulus / positive regulation of hormone biosynthetic process / cellular response to luteinizing hormone stimulus / protein targeting to lysosome / male genitalia development / G protein-coupled peptide receptor activity / arachidonic acid secretion / positive regulation of calcium ion transport into cytosol / seminiferous tubule development / uterus development / peptide hormone binding / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / centriolar satellite / positive regulation of calcium-mediated signaling / ovarian follicle development / activation of adenylate cyclase activity / hormone-mediated signaling pathway / positive regulation of release of sequestered calcium ion into cytosol / adenylate cyclase-activating G protein-coupled receptor signaling pathway / cognition / male gonad development / phospholipase C-activating G protein-coupled receptor signaling pathway / ATPase binding / G alpha (s) signalling events / spermatogenesis / receptor complex / endosome / response to xenobiotic stimulus / G protein-coupled receptor signaling pathway / extracellular space / identical protein binding / plasma membrane
Similarity search - Function
Lutropin-choriogonadotropic hormone receptor / Glycoprotein hormone receptor family / BspA type Leucine rich repeat region / BspA type Leucine rich repeat region (6 copies) / Leucine-rich repeat domain superfamily / G-protein coupled receptors family 1 signature. / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / 7 transmembrane receptor (rhodopsin family)
Similarity search - Domain/homology
Lutropin-choriogonadotropic hormone receptor
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.8 Å
AuthorsDuan, J. / Xu, P. / Cheng, X. / Mao, C. / Croll, T. / He, X. / Shi, J. / Luan, X. / Yin, W. / You, E. ...Duan, J. / Xu, P. / Cheng, X. / Mao, C. / Croll, T. / He, X. / Shi, J. / Luan, X. / Yin, W. / You, E. / Liu, Q. / Zhang, S. / Jiang, H. / Zhang, Y. / Jiang, Y. / Xu, H.E.
Funding support China, 1items
OrganizationGrant numberCountry
Ministry of Science and Technology (MoST, China)2018YFA0507002 China
CitationJournal: Nature / Year: 2021
Title: Structures of full-length glycoprotein hormone receptor signalling complexes.
Authors: Jia Duan / Peiyu Xu / Xi Cheng / Chunyou Mao / Tristan Croll / Xinheng He / Jingjing Shi / Xiaodong Luan / Wanchao Yin / Erli You / Qiufeng Liu / Shuyang Zhang / Hualiang Jiang / Yan Zhang / ...Authors: Jia Duan / Peiyu Xu / Xi Cheng / Chunyou Mao / Tristan Croll / Xinheng He / Jingjing Shi / Xiaodong Luan / Wanchao Yin / Erli You / Qiufeng Liu / Shuyang Zhang / Hualiang Jiang / Yan Zhang / Yi Jiang / H Eric Xu /
Abstract: Luteinizing hormone and chorionic gonadotropin are glycoprotein hormones that are related to follicle-stimulating hormone and thyroid-stimulating hormone. Luteinizing hormone and chorionic ...Luteinizing hormone and chorionic gonadotropin are glycoprotein hormones that are related to follicle-stimulating hormone and thyroid-stimulating hormone. Luteinizing hormone and chorionic gonadotropin are essential to human reproduction and are important therapeutic drugs. They activate the same G-protein-coupled receptor, luteinizing hormone-choriogonadotropin receptor (LHCGR), by binding to the large extracellular domain. Here we report four cryo-electron microscopy structures of LHCGR: two structures of the wild-type receptor in the inactive and active states; and two structures of the constitutively active mutated receptor. The active structures are bound to chorionic gonadotropin and the stimulatory G protein (G), and one of the structures also contains Org43553, an allosteric agonist. The structures reveal a distinct 'push-and-pull' mechanism of receptor activation, in which the extracellular domain is pushed by the bound hormone and pulled by the extended hinge loop next to the transmembrane domain. A highly conserved 10-residue fragment (P10) from the hinge C-terminal loop at the interface between the extracellular domain and the transmembrane domain functions as a tethered agonist to induce conformational changes in the transmembrane domain and G-protein coupling. Org43553 binds to a pocket of the transmembrane domain and interacts directly with P10, which further stabilizes the active conformation. Together, these structures provide a common model for understanding the signalling of glycoprotein hormone receptors and a basis for drug discovery for endocrine diseases.
History
DepositionJul 31, 2021Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Sep 29, 2021Provider: repository / Type: Initial release
Revision 1.1Feb 16, 2022Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title

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Assembly

Deposited unit
R: Lutropin-choriogonadotropic hormone receptor


Theoretical massNumber of molelcules
Total (without water)78,6301
Polymers78,6301
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Lutropin-choriogonadotropic hormone receptor / LH/CG-R / Luteinizing hormone receptor / LHR / LSH-R


Mass: 78629.797 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: LHCGR, LCGR, LGR2, LHRHR / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P22888

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: luteinizing hormone/choriogonadotropin receptor / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy
Image recordingElectron dose: 70 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.18.2_3874: / Classification: refinement
CTF correctionType: NONE
3D reconstructionResolution: 3.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 311538 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0013083
ELECTRON MICROSCOPYf_angle_d0.3784279
ELECTRON MICROSCOPYf_dihedral_angle_d10.984567
ELECTRON MICROSCOPYf_chiral_restr0.042562
ELECTRON MICROSCOPYf_plane_restr0.001603

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