4AOE

Biomphalaria glabrata Acetylcholine-binding protein type 2 (BgAChBP2)

ELECTRON MICROSCOPY

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Sample
BIOMPHALARIA GLABRATA ACETYLCHOLINE-BINDING PROTEIN

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	GATAN CRYOPLUNGE 3
Cryogen Name	ETHANE
Sample Vitrification Details	VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 97, TEMPERATURE- 97, INSTRUMENT- GATAN CRYOPLUNGE 3, METHOD- 2 X3.5 MICROLITRES, 2 X 3S BLOTTING

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	8183
Reported Resolution (Å)	6
Resolution Method
Other Details	A NEGATIVE TEMPERATURE FACTOR OF 278.9 WAS APPLIED TO THE FINAL CRYO-EM RECONSTRUCTION. SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2055 (DEPOSITION ID: 10661).
Refinement Type
Symmetry Type	POINT
Point Symmetry	I

Map-Model Fitting and Refinement
Id	1 (2BYN)
Refinement Space	RECIPROCAL
Refinement Protocol	OTHER
Refinement Target
Overall B Value
Fitting Procedure
Details	REFINEMENT PROTOCOL--X-RAY

Data Acquisition
Detector Type	KODAK SO-163 FILM
Electron Dose (electrons/Å**2)	30

Imaging Experiment	1
Date of Experiment	2008-06-04
Temperature (Kelvin)	101
Microscope Model	FEI TECNAI F20
Minimum Defocus (nm)	2000
Maximum Defocus (nm)	5000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	50000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	200
Imaging Details

EM Software
Task	Software Package	Version
RECONSTRUCTION	EMAN	1.9

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
	PER MICROGRAPH