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- PDB-9e51: Cryo-EM structure of human LPHN2 (ADGRL2)/G13 complex in lipid na... -

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Basic information

Entry
Database: PDB / ID: 9.0E+51
TitleCryo-EM structure of human LPHN2 (ADGRL2)/G13 complex in lipid nanodiscs
Components
  • (Guanine nucleotide-binding protein ...) x 2
  • Adhesion G protein-coupled receptor L2
  • Isoform 2 of Guanine nucleotide-binding protein subunit alpha-13
KeywordsSIGNALING PROTEIN / adhesion GPCR / Tethered agonist / Latrophilin-2 / LPHN2 (ADGRL2) / Heterotrimeric G protein / Cryo-EM / Lipid Nanodiscs / Membrane Protein
Function / homology
Function and homology information


latrotoxin receptor activity / D5 dopamine receptor binding / regulation of fibroblast migration / Rho-activating G protein-coupled receptor signaling pathway / excitatory synapse assembly / regulation of small GTPase mediated signal transduction / NRAGE signals death through JNK / branching involved in blood vessel morphogenesis / CDC42 GTPase cycle / regulation of postsynapse assembly ...latrotoxin receptor activity / D5 dopamine receptor binding / regulation of fibroblast migration / Rho-activating G protein-coupled receptor signaling pathway / excitatory synapse assembly / regulation of small GTPase mediated signal transduction / NRAGE signals death through JNK / branching involved in blood vessel morphogenesis / CDC42 GTPase cycle / regulation of postsynapse assembly / Rho protein signal transduction / RAC1 GTPase cycle / guanyl-nucleotide exchange factor activity / brush border membrane / G protein-coupled receptor activity / platelet activation / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / regulation of blood pressure / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / Activation of the phototransduction cascade / adenylate cyclase-activating G protein-coupled receptor signaling pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through CDC42 / Glucagon signaling in metabolic regulation / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / ADP signalling through P2Y purinoceptor 12 / photoreceptor disc membrane / Sensory perception of sweet, bitter, and umami (glutamate) taste / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1 / ADORA2B mediated anti-inflammatory cytokines production / G beta:gamma signalling through PI3Kgamma / adenylate cyclase-activating dopamine receptor signaling pathway / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / melanosome / GPER1 signaling / Inactivation, recovery and regulation of the phototransduction cascade / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / G alpha (12/13) signalling events / sensory perception of taste / extracellular vesicle / regulation of cell shape / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / retina development in camera-type eye / G protein activity / carbohydrate binding / GTPase binding / Ca2+ pathway / fibroblast proliferation / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / in utero embryonic development / Ras protein signal transduction / postsynaptic membrane / cell differentiation / cell surface receptor signaling pathway / Extra-nuclear estrogen signaling / cell population proliferation / postsynapse / G protein-coupled receptor signaling pathway / lysosomal membrane / focal adhesion / GTPase activity / synapse / GTP binding / protein-containing complex binding / signal transduction / extracellular exosome / metal ion binding / nucleus / membrane / plasma membrane / cytoplasm / cytosol
Similarity search - Function
G-protein alpha subunit, group 12/13 / GPCR, family 2, latrophilin, C-terminal / GPCR, family 2, latrophilin / Latrophilin Cytoplasmic C-terminal region / D-galactoside/L-rhamnose binding SUEL lectin domain superfamily / D-galactoside/L-rhamnose binding SUEL lectin domain / D-galactoside/L-rhamnose binding SUEL lectin domain / SUEL-type lectin domain profile. / GAIN domain, N-terminal / AGRL2-4 GAIN subdomain A ...G-protein alpha subunit, group 12/13 / GPCR, family 2, latrophilin, C-terminal / GPCR, family 2, latrophilin / Latrophilin Cytoplasmic C-terminal region / D-galactoside/L-rhamnose binding SUEL lectin domain superfamily / D-galactoside/L-rhamnose binding SUEL lectin domain / D-galactoside/L-rhamnose binding SUEL lectin domain / SUEL-type lectin domain profile. / GAIN domain, N-terminal / AGRL2-4 GAIN subdomain A / Olfactomedin-like domain / Olfactomedin-like domain / Olfactomedin-like domain profile. / Olfactomedin-like domains / GAIN domain superfamily / GPCR proteolysis site, GPS, motif / : / GPS motif / GAIN-B domain profile. / G-protein-coupled receptor proteolytic site domain / GPCR, family 2, extracellular hormone receptor domain / G-protein coupled receptors family 2 profile 1. / Domain present in hormone receptors / Hormone receptor domain / GPCR family 2, extracellular hormone receptor domain superfamily / G-protein coupled receptors family 2 signature 2. / GPCR, family 2, secretin-like, conserved site / GPCR, family 2, secretin-like / 7 transmembrane receptor (Secretin family) / GPCR, family 2-like / G-protein coupled receptors family 2 profile 2. / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G-alpha domain profile. / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. / G-protein gamma-like domain / G-protein gamma-like domain superfamily / GGL domain / G protein gamma subunit-like motifs / GGL domain / G protein beta WD-40 repeat protein / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
CHOLESTEROL / Adhesion G protein-coupled receptor L2 / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Guanine nucleotide-binding protein subunit alpha-13
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsHe, F. / Skiniotis, G.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)5R01DK132902-02 United States
CitationJournal: To Be Published
Title: Cryo-EM structure of G13-bound human LPHN2 (ADGRL2) in lipid nanodiscs
Authors: He, F. / Skiniotis, G.
History
DepositionOct 26, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 12, 2025Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
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Assembly

Deposited unit
B: Isoform 2 of Guanine nucleotide-binding protein subunit alpha-13
C: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
D: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
A: Adhesion G protein-coupled receptor L2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)109,5176
Polymers108,7444
Non-polymers7732
Water362
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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Protein , 2 types, 2 molecules BA

#1: Protein Isoform 2 of Guanine nucleotide-binding protein subunit alpha-13 / G alpha-13 / G-protein subunit alpha-13


Mass: 26574.400 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNA13 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q14344
#4: Protein Adhesion G protein-coupled receptor L2 / Calcium-independent alpha-latrotoxin receptor 2 / CIRL-2 / Latrophilin homolog 1 / Latrophilin-2 / ...Calcium-independent alpha-latrotoxin receptor 2 / CIRL-2 / Latrophilin homolog 1 / Latrophilin-2 / Lectomedin-1


Mass: 36891.434 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ADGRL2, KIAA0786, LEC1, LPHH1, LPHN2 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: O95490

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Guanine nucleotide-binding protein ... , 2 types, 2 molecules CD

#2: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Transducin beta chain 1


Mass: 37416.930 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNB1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P62873
#3: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / G gamma-I


Mass: 7861.143 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNG2 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P59768

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Non-polymers , 2 types, 4 molecules

#5: Chemical ChemComp-CLR / CHOLESTEROL


Mass: 386.654 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C27H46O / Feature type: SUBJECT OF INVESTIGATION
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY
Has protein modificationY

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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: G13-bound human LPHN2 (ADGRL2) in lipid nanodiscs / Type: COMPLEX / Entity ID: #1-#4 / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm)
Buffer solutionpH: 7.5
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 FIELD / Nominal defocus max: 1500 nm / Nominal defocus min: 500 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k)

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Processing

EM softwareName: PHENIX / Version: 1.20.1_4487: / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 357869 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0027124
ELECTRON MICROSCOPYf_angle_d0.4369655
ELECTRON MICROSCOPYf_dihedral_angle_d6.3641081
ELECTRON MICROSCOPYf_chiral_restr0.041112
ELECTRON MICROSCOPYf_plane_restr0.0031205

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