3ZUH | pdb_00003zuh

Negative stain EM Map of the AAA protein CbbX, a red-type Rubisco activase from R. sphaeroides

ELECTRON MICROSCOPY

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3SYL

Sample
PROTEIN CBBX

Specimen Preparation
Sample Aggregation State	PARTICLE
Staining Type	NEGATIVE
Staining Material	uranyl acetate
Staining Details

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	245
Reported Resolution (Å)	21
Resolution Method
Other Details	MODULE CONSISTING OF CHAIN A (204-296) AND CHAIN B (8-203) AS FOUND IN PDB 3SYL WAS MODELLED ONTO D2 P97 OF PDB 3CF3. SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-1932.
Refinement Type
Symmetry Type	POINT
Point Symmetry	C6

Map-Model Fitting and Refinement
Id	1 (3SYL)
Refinement Space	REAL
Refinement Protocol	RIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details	METHOD--RIGID BODY REFINEMENT PROTOCOL--MANUAL

Data Acquisition
Detector Type	FEI EAGLE (2k x 2k)
Electron Dose (electrons/Å**2)	20

Imaging Experiment	1
Date of Experiment	2010-11-19
Temperature (Kelvin)
Microscope Model	FEI TECNAI 12
Minimum Defocus (nm)	260
Maximum Defocus (nm)	1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	90600
Calibrated Magnification	90600
Source	LAB6
Acceleration Voltage (kV)	120
Imaging Details

EM Software
Task	Software Package	Version
RECONSTRUCTION	IMAGIC
RECONSTRUCTION	MRC IMAGE PROCESSING PACKAGE
RECONSTRUCTION	SPIDER

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
	PHASE FLIPPING, EACH PARTICLE