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- EMDB-69803: Cryo-EM structure of the ligand-free (Apo) GHRHR-Gs complex -

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Basic information

Entry
Database: EMDB / ID: EMD-69803
TitleCryo-EM structure of the ligand-free (Apo) GHRHR-Gs complex
Map data
Sample
  • Complex: Cryo-EM structure of the ligand-free (Apo) GHRHR-Gs complex
    • Protein or peptide: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
    • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
    • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Protein or peptide: Growth hormone-releasing hormone receptor
KeywordsGPCR / Complex / MEMBRANE PROTEIN
Function / homology
Function and homology information


growth hormone-releasing hormone receptor activity / positive regulation of circadian sleep/wake cycle, non-REM sleep / positive regulation of growth hormone secretion / positive regulation of multicellular organism growth / G-protein activation / Activation of the phototransduction cascade / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PI3Kgamma ...growth hormone-releasing hormone receptor activity / positive regulation of circadian sleep/wake cycle, non-REM sleep / positive regulation of growth hormone secretion / positive regulation of multicellular organism growth / G-protein activation / Activation of the phototransduction cascade / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Ca2+ pathway / G alpha (z) signalling events / positive regulation of insulin-like growth factor receptor signaling pathway / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G protein-coupled peptide receptor activity / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / G alpha (q) signalling events / nuclear inner membrane / G alpha (i) signalling events / Thrombin signalling through proteinase activated receptors (PARs) / Activation of G protein gated Potassium channels / G-protein activation / G beta:gamma signalling through PI3Kgamma / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through PLC beta / ADP signalling through P2Y purinoceptor 1 / Thromboxane signalling through TP receptor / Presynaptic function of Kainate receptors / G beta:gamma signalling through CDC42 / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G alpha (12/13) signalling events / Glucagon-type ligand receptors / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Adrenaline,noradrenaline inhibits insulin secretion / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Ca2+ pathway / G alpha (z) signalling events / Thrombin signalling through proteinase activated receptors (PARs) / Extra-nuclear estrogen signaling / G alpha (s) signalling events / G alpha (q) signalling events / photoreceptor outer segment membrane / spectrin binding / growth factor binding / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (i) signalling events / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / Vasopressin regulates renal water homeostasis via Aquaporins / alkylglycerophosphoethanolamine phosphodiesterase activity / adenylate cyclase-activating G protein-coupled bile acid receptor signaling pathway / adenylate cyclase-activating serotonin receptor signaling pathway / peptide hormone binding / nuclear outer membrane / regulation of skeletal muscle contraction / PKA activation in glucagon signalling / hair follicle placode formation / developmental growth / intracellular transport / cAMP/PKA signal transduction / photoreceptor outer segment / D1 dopamine receptor binding / vascular endothelial cell response to laminar fluid shear stress / renal water homeostasis / Hedgehog 'off' state / activation of adenylate cyclase activity / adenylate cyclase-activating adrenergic receptor signaling pathway / cellular response to acidic pH / cardiac muscle cell apoptotic process / photoreceptor inner segment / cellular response to glucagon stimulus / secretory granule / intracellular glucose homeostasis / response to glucocorticoid / adenylate cyclase activator activity / positive regulation of insulin secretion involved in cellular response to glucose stimulus / trans-Golgi network membrane / negative regulation of inflammatory response to antigenic stimulus / cellular response to glucose stimulus / response to prostaglandin E / sarcolemma / response to insulin / bone development / response to estrogen / platelet aggregation / cognition / G protein-coupled receptor activity / nuclear matrix / G-protein beta/gamma-subunit complex binding / positive regulation of insulin secretion / sensory perception of smell / Glucagon signaling in metabolic regulation / Prostacyclin signalling through prostacyclin receptor
Similarity search - Function
GPCR, family 2, growth hormone-releasing hormone receptor / G-protein coupled receptors family 2 signature 1. / : / 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, growth hormone-releasing hormone receptor / G-protein coupled receptors family 2 signature 1. / : / 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. / G-protein alpha subunit, group S / G protein alpha subunit, helical insertion / G protein alpha subunit / Guanine nucleotide binding protein (G-protein), alpha subunit / G-protein alpha subunit / G-alpha domain profile. / 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
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Guanine nucleotide-binding protein G(s) subunit alpha isoforms short / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / Growth hormone-releasing hormone receptor
Similarity search - Component
Biological speciesHomo sapiens (human) / Rattus norvegicus (Norway rat) / Bos taurus (domestic cattle)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.03 Å
AuthorsWang MW / Hang KN / Qiu Y / Chen XY / Chen YY / Cong ZT / Zhou QT
Funding support China, 2 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)32200576 China
National Natural Science Foundation of China (NSFC)82273961 China
CitationJournal: Protein Cell / Year: 2026
Title: Structural adaptation associated with signaling preference at the human GHRHR.
Authors: Ming-Wei Wang / Kaini Hang / Yue Qiu / Xianyue Chen / Yanyan Chen / Shengtian Huang / Zhaotong Cong / Qingtong Zhou /
History
DepositionMar 19, 2026-
Header (metadata) releaseJul 8, 2026-
Map releaseJul 8, 2026-
UpdateJul 8, 2026-
Current statusJul 8, 2026Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_69803.png

Downloads & links

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Map

FileReleased
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.07 Å/pix.
x 256 pix.
= 274.176 Å		1.07 Å/pix.
x 256 pix.
= 274.176 Å		1.07 Å/pix.
x 256 pix.
= 274.176 Å

Surface

Projections

Slices (1/3)

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Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.071 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.22
Minimum - Maximum-1.840914 - 2.598537
Average (Standard dev.)-0.0003708571 (±0.049205486)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 274.176 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_69803_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_69803_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Cryo-EM structure of the ligand-free (Apo) GHRHR-Gs complex

EntireName: Cryo-EM structure of the ligand-free (Apo) GHRHR-Gs complex
Components
  • Complex: Cryo-EM structure of the ligand-free (Apo) GHRHR-Gs complex
    • Protein or peptide: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
    • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
    • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Protein or peptide: Growth hormone-releasing hormone receptor

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Supramolecule #1: Cryo-EM structure of the ligand-free (Apo) GHRHR-Gs complex

SupramoleculeName: Cryo-EM structure of the ligand-free (Apo) GHRHR-Gs complex
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short

MacromoleculeName: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 45.683434 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MGCLGNSKTE DQRNEEKAQR EANKKIEKQL QKDKQVYRAT HRLLLLGAGE SGKNTIVKQM RILHVNGFNG EGGEEDPQAA RSNSDGEKA TKVQDIKNNL KEAIETIVAA MSNLVPPVEL ANPENQFRVD YILSVMNVPD FDFPPEFYEH AKALWEDEGV R ACYERSNE ...String:
MGCLGNSKTE DQRNEEKAQR EANKKIEKQL QKDKQVYRAT HRLLLLGAGE SGKNTIVKQM RILHVNGFNG EGGEEDPQAA RSNSDGEKA TKVQDIKNNL KEAIETIVAA MSNLVPPVEL ANPENQFRVD YILSVMNVPD FDFPPEFYEH AKALWEDEGV R ACYERSNE YQLIDCAQYF LDKIDVIKQA DYVPSDQDLL RCRVLTSGIF ETKFQVDKVN FHMFDVGAQR DERRKWIQCF ND VTAIIFV VASSSYNMVI REDNQTNRLQ AALKLFDSIW NNKWLRDTSV ILFLNKQDLL AEKVLAGKSK IEDYFPEFAR YTT PEDATP EPGEDPRVTR AKYFIRDEFL RISTASGDGR HYCYPHFTCA VDTENIRRVF NDCRDIIQRM HLRQYELL

UniProtKB: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short

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

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 43.70675 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MHHHHHHSSG LVPRGSHMAS HHHHHHHHHH GSLLQSELDQ LRQEAEQLKN QIRDARKACA DATLSQITNN IDPVGRIQMR TRRTLRGHL AKIYAMHWGT DSRLLVSASQ DGKLIIWDSY TTNKVHAIPL RSSWVMTCAY APSGNYVACG GLDNICSIYN L KTREGNVR ...String:
MHHHHHHSSG LVPRGSHMAS HHHHHHHHHH GSLLQSELDQ LRQEAEQLKN QIRDARKACA DATLSQITNN IDPVGRIQMR TRRTLRGHL AKIYAMHWGT DSRLLVSASQ DGKLIIWDSY TTNKVHAIPL RSSWVMTCAY APSGNYVACG GLDNICSIYN L KTREGNVR VSRELAGHTG YLSCCRFLDD NQIVTSSGDT TCALWDIETG QQTTTFTGHT GDVMSLSLAP DTRLFVSGAC DA SAKLWDV REGMCRQTFT GHESDINAIC FFPNGNAFAT GSDDATCRLF DLRADQELMT YSHDNIICGI TSVSFSKSGR LLL AGYDDF NCNVWDALKA DRAGVLAGHD NRVSCLGVTD DGMAVATGSW DSFLKIWNGS SGGGGSGGGG SSGVSGWRLF KKIS

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

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Macromolecule #3: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Bos taurus (domestic cattle)
Molecular weightTheoretical: 7.861143 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI L

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

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Macromolecule #4: Growth hormone-releasing hormone receptor

MacromoleculeName: Growth hormone-releasing hormone receptor / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 61.651438 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: HMHPECDFIT QLREDESACL QAAEEMPNTT LGCPATWDGL LCWPTAGSGE WVTLPCPDFF SHFSSESGAV KRDCTITGWS EPFPPYPVA CPVPLELLAE EESYFSTVKI IYTVGHSISI VALFVAITIL VALRRLHCPR NYVHTQLFTT FILKAGAVFL K DAAIFHSD ...String:
HMHPECDFIT QLREDESACL QAAEEMPNTT LGCPATWDGL LCWPTAGSGE WVTLPCPDFF SHFSSESGAV KRDCTITGWS EPFPPYPVA CPVPLELLAE EESYFSTVKI IYTVGHSISI VALFVAITIL VALRRLHCPR NYVHTQLFTT FILKAGAVFL K DAAIFHSD DTDHCSFSTV LCKVSVAASH FATMTNFSWL LAEAVYLNCL LASTSPSSRR AFWWLVLAGW GLPVLFTGTW VS CKLAFED IACWDLDDTS PYWWIIKGPI VLSVGVNFGL FLNIIRILVR KLEPAQGSLH TQSQYWRLSK STLFLIPLFG IHY IIFNFL PDNAGLGIRL PLELGLGSFQ GFIVAILYCF LNQEVRTEIS RKWHGHDPEL LPAWRTRGSS GGGGSGGGGS SGVF TLEDF VGDWEQTAAY NLDQVLEQGG VSSLLQNLAV SVTPIQRIVR SGENALKIDI HVIIPYEGLS ADQMAQIEEV FKVVY PVDD HHFKVILPYG TLVIDGVTPN MLNYFGRPYE GIAVFDGKKI TVTGTLWNGN KIIDERLITP DGSMLFRVTI NS

UniProtKB: Growth hormone-releasing hormone receptor

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 80.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: OTHER
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.0 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing #1

Image processing ID1
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.03 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 185622
Initial angle assignmentType: OTHER
Final angle assignmentType: OTHER

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Image processing #2

Image processing ID2
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7cz5

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.03 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 185622
Initial angle assignmentType: PROJECTION MATCHING
Final angle assignmentType: OTHER

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