3J8H | pdb_00003j8h

Structure of the rabbit ryanodine receptor RyR1 in complex with FKBP12 at 3.8 Angstrom resolution

ELECTRON MICROSCOPY

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Sample
rabbit ryanodine receptor RyR1 bound to modulator FKBP12
Sample Components
RyR1
FKBP1

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK III
Cryogen Name	NITROGEN
Sample Vitrification Details	Protein solution was applied to glow-discharged carbon coated grid and blotted for 2 seconds before plunging into liquid nitrogen (FEI VITROBOT MARK III)

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	65872
Reported Resolution (Å)	3.8
Resolution Method	FSC 0.143 CUT-OFF
Other Details	All two- and three-dimensional classifications and refinements were performed using RELION 1.3. The model was built manually in COOT, and was refined in real space using Phenix and in reciprocal space using Refmac.
Refinement Type
Symmetry Type	POINT
Point Symmetry	C4

Data Acquisition
Detector Type	FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)	40

Imaging Experiment	1
Date of Experiment	2014-06-21
Temperature (Kelvin)	85
Microscope Model	FEI POLARA 300
Minimum Defocus (nm)	1900
Maximum Defocus (nm)	5600
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	78000
Calibrated Magnification	104748
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
CTF CORRECTION	CTFFIND	3
MODEL FITTING	Coot
MODEL FITTING	PHENIX
MODEL FITTING	REFMAC
RECONSTRUCTION	RELION	1.3

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
	Contrast transfer function parameters were estimated using CTFFIND3