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- EMDB-31388: Cryo-EM structure of an activated Cholecystokinin A receptor (CCK... -
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Open data
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Basic information
Entry | Database: EMDB / ID: EMD-31388 | |||||||||
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Title | Cryo-EM structure of an activated Cholecystokinin A receptor (CCKAR)-Gs complex | |||||||||
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Function / homology | ![]() cholecystokinin receptor activity / cholecystokinin signaling pathway / regulation of hormone secretion / neuropeptide receptor activity / peptide hormone binding / PKA activation in glucagon signalling / hair follicle placode formation / mu-type opioid receptor binding / developmental growth / corticotropin-releasing hormone receptor 1 binding ...cholecystokinin receptor activity / cholecystokinin signaling pathway / regulation of hormone secretion / neuropeptide receptor activity / peptide hormone binding / PKA activation in glucagon signalling / hair follicle placode formation / mu-type opioid receptor binding / developmental growth / corticotropin-releasing hormone receptor 1 binding / intracellular transport / D1 dopamine receptor binding / Adenylate cyclase inhibitory pathway / positive regulation of protein localization to cell cortex / regulation of cAMP-mediated signaling / Hedgehog 'off' state / D2 dopamine receptor binding / G protein-coupled serotonin receptor binding / beta-2 adrenergic receptor binding / adenylate cyclase-activating adrenergic receptor signaling pathway / regulation of mitotic spindle organization / cellular response to forskolin / forebrain development / cellular response to hormone stimulus / activation of adenylate cyclase activity / adenylate cyclase activator activity / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / Peptide ligand-binding receptors / axonogenesis / trans-Golgi network membrane / Regulation of insulin secretion / G protein-coupled receptor binding / peptide binding / ionotropic glutamate receptor binding / insulin-like growth factor receptor binding / neuron migration / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / bone development / Activation of the phototransduction cascade / adenylate cyclase-modulating 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 activation / adenylate cyclase-activating G protein-coupled receptor signaling pathway / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / cognition / ADP signalling through P2Y purinoceptor 12 / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / Sensory perception of sweet, bitter, and umami (glutamate) taste / response to peptide hormone / photoreceptor disc membrane / platelet aggregation / Adrenaline,noradrenaline inhibits insulin secretion / Glucagon-type ligand receptors / Vasopressin regulates renal water homeostasis via Aquaporins / G alpha (z) signalling events / cellular response to catecholamine stimulus / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / ADORA2B mediated anti-inflammatory cytokines production / sensory perception of taste / ADP signalling through P2Y purinoceptor 1 / adenylate cyclase-activating dopamine receptor signaling pathway / G beta:gamma signalling through PI3Kgamma / cellular response to prostaglandin E stimulus / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / GDP binding / G-protein beta-subunit binding / Inactivation, recovery and regulation of the phototransduction cascade / heterotrimeric G-protein complex / G alpha (12/13) signalling events / extracellular vesicle / sensory perception of smell / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / GTPase binding / retina development in camera-type eye / phospholipase C-activating G protein-coupled receptor signaling pathway / Ca2+ pathway / positive regulation of cold-induced thermogenesis / cell cortex / midbody / G alpha (i) signalling events / fibroblast proliferation / G alpha (s) signalling events / G alpha (q) signalling events / cell population proliferation / Ras protein signal transduction / Extra-nuclear estrogen signaling / cell cycle / G protein-coupled receptor signaling pathway / cell division Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.1 Å | |||||||||
![]() | Liu QF / Yang DH / Zhuang YW / Croll TI / Cai XQ / Duan J / Dai AT / Yin WC / Ye CY / Zhou FL ...Liu QF / Yang DH / Zhuang YW / Croll TI / Cai XQ / Duan J / Dai AT / Yin WC / Ye CY / Zhou FL / Wu BL / Zhao Q / Xu HE / Wang MW / Jiang Y | |||||||||
![]() | ![]() Title: Ligand recognition and G-protein coupling selectivity of cholecystokinin A receptor Authors: Liu Q / Yang D / Zhuang Y / Croll TI / Cai X / Dai A / He X / Duan J / Yin W / Ye C / Zhou F / Wu B / Zhao Q / Xu HE / Wang MW / Jiang Y | |||||||||
History |
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Structure visualization
Movie |
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Structure viewer | EM map: ![]() ![]() ![]() |
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 19 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 15.3 KB 15.3 KB | Display Display | ![]() |
Images | ![]() | 76.6 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 333.3 KB | Display | ![]() |
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Full document | ![]() | 332.8 KB | Display | |
Data in XML | ![]() | 5.5 KB | Display | |
Data in CIF | ![]() | 6.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7ezkMC ![]() 7ezhC ![]() 7ezmC C: citing same article ( M: atomic model generated by this map |
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Similar structure data |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
File | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Voxel size | X=Y=Z: 1.045 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
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Sample components
-Entire : Cryo-EM structure of an activated Cholecystokinin A receptor (CCK...
Entire | Name: Cryo-EM structure of an activated Cholecystokinin A receptor (CCKAR)-Gs complex |
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Components |
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-Supramolecule #1: Cryo-EM structure of an activated Cholecystokinin A receptor (CCK...
Supramolecule | Name: Cryo-EM structure of an activated Cholecystokinin A receptor (CCKAR)-Gs complex type: complex / ID: 1 / Parent: 0 / Macromolecule list: all |
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Source (natural) | Organism: ![]() |
Recombinant expression | Organism: ![]() ![]() |
-Macromolecule #1: Chimera of Guanine nucleotide-binding protein G(i) subunit alpha-...
Macromolecule | Name: Chimera of Guanine nucleotide-binding protein G(i) subunit alpha-1 and Guanine nucleotide-binding protein G(s) subunit alpha isoforms short type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 41.879465 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MGCTLSAEDK AAVERSKMIE KQLQKDKQVY RATHRLLLLG ADNSGKSTIV KQMRIYHVNG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDSA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI ...String: MGCTLSAEDK AAVERSKMIE KQLQKDKQVY RATHRLLLLG ADNSGKSTIV KQMRIYHVNG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDSA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI PTQQDVLRTR VKTSGIFETK FQVDKVNFHM FDVGAQRDER RKWIQCFNDV TAIIFVVDSS DYNRLQEALN DF KSIWNNR WLRTISVILF LNKQDLLAEK VLAGKSKIED YFPEFARYTT PEDATPEPGE DPRVTRAKYF IRDEFLRIST ASG DGRHYC YPHFTCSVDT ENARRIFNDC RDIIQRMHLR QYELL |
-Macromolecule #2: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
Macromolecule | Name: 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 |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 38.744371 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MHHHHHHGSL LQSELDQLRQ EAEQLKNQIR DARKACADAT LSQITNNIDP VGRIQMRTRR TLRGHLAKIY AMHWGTDSRL LVSASQDGK LIIWDSYTTN KVHAIPLRSS WVMTCAYAPS GNYVACGGLD NICSIYNLKT REGNVRVSRE LAGHTGYLSC C RFLDDNQI ...String: MHHHHHHGSL LQSELDQLRQ EAEQLKNQIR DARKACADAT LSQITNNIDP VGRIQMRTRR TLRGHLAKIY AMHWGTDSRL LVSASQDGK LIIWDSYTTN KVHAIPLRSS WVMTCAYAPS GNYVACGGLD NICSIYNLKT REGNVRVSRE LAGHTGYLSC C RFLDDNQI VTSSGDTTCA LWDIETGQQT TTFTGHTGDV MSLSLAPDTR LFVSGACDAS AKLWDVREGM CRQTFTGHES DI NAICFFP NGNAFATGSD DATCRLFDLR ADQELMTYSH DNIICGITSV SFSKSGRLLL AGYDDFNCNV WDALKADRAG VLA GHDNRV SCLGVTDDGM AVATGSWDSF LKIWN |
-Macromolecule #3: Cholecystokinin receptor type A
Macromolecule | Name: Cholecystokinin receptor type A / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 47.886062 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MDVVDSLLVN GSNITPPCEL GLENETLFCL DQPRPSKEWQ PAVQILLYSL IFLLSVLGNT LVITVLIRNK RMRTVTNIFL LSLAVSDLM LCLFCMPFNL IPNLLKDFIF GSAVCKTTTY FMGTSVSVST FNLVAISLER YGAICKPLQS RVWQTKSHAL K VIAATWCL ...String: MDVVDSLLVN GSNITPPCEL GLENETLFCL DQPRPSKEWQ PAVQILLYSL IFLLSVLGNT LVITVLIRNK RMRTVTNIFL LSLAVSDLM LCLFCMPFNL IPNLLKDFIF GSAVCKTTTY FMGTSVSVST FNLVAISLER YGAICKPLQS RVWQTKSHAL K VIAATWCL SFTIMTPYPI YSNLVPFTKN NNQTANMCRF LLPNDVMQQS WHTFLLLILF LIPGIVMMVA YGLISLELYQ GI KFEASQK KSAKERKPST TSSGKYEDSD GCYLQKTRPP RKLELRQLST GSSSRANRIR SNSSAANLMA KKRVIRMLIV IVV LFFLCW MPIFSANAWR AYDTASAERR LSGTPISFIL LLSYTSSCVN PIIYCFMNKR FRLGFMATFP CCPNPGPPGA RGEV GEEEE GGTTGASLSR FSYSHMSASV PPQ |
-Macromolecule #4: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Macromolecule | Name: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 7.861143 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI L |
-Macromolecule #5: Cholecystokinin-8
Macromolecule | Name: Cholecystokinin-8 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 1.291428 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: D(TYS)MGWMDFF |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Buffer | pH: 7.4 |
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Vitrification | Cryogen name: ETHANE |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: SUPER-RESOLUTION / Average electron dose: 80.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: OTHER / Imaging mode: BRIGHT FIELD |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
Startup model | Type of model: PDB ENTRY PDB model - PDB ID: |
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Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 499924 |
Initial angle assignment | Type: MAXIMUM LIKELIHOOD |
Final angle assignment | Type: OTHER |