8JHN

Structure of MMF-GPR109A-G protein complex


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFoldAF-Q8TDS4-F1 
Sample
GPR109A-G protein in complex with MMF
Sample Components
Guanine nucleotide-binding protein G(o) subunit alpha
Guanine nucleotide-binding protein G(I)/G(S) /G(T) subunit beta-1
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Hydrocarboxylic acid receptor 2/GPR109A
ScFv16 (Antibody)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles678286
Reported Resolution (Å)3.75
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)55
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS GLACIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4
MODEL FITTINGCoot
RECONSTRUCTIONcryoSPARC4.0
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE