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Assembly principles of the unique cage formed by the ATPase RavA hexamer and the lysine decarboxylase LdcI decamer
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3N75 experimental model PDB 3NBX
Sample COMPLEX BETWEEN A DECAMER OF INDUCIBLE LYSINE DECARBOXYLASE LDCI AND TEN LARA DOMAINS OF THE ATPASE RAVA
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK III Cryogen Name ETHANE Sample Vitrification Details VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 100, TEMPERATURE- 91, INSTRUMENT- FEI VITROBOT MARK III, METHOD- BLOT FOR 2 SECONDS BEFORE PLUNGING
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 23540 Reported Resolution (Å) 7.5 Resolution Method Other Details CROSS-COMMON LINE, PROJECTION MATCHING SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2681. (DEPOSITION ID: 12595). Refinement Type Symmetry Type POINT Point Symmetry D5
Map-Model Fitting and Refinement Id 1 (3N75, 3NBX) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Cross-correlation coefficient Overall B Value Fitting Procedure Details METHOD--FLEXIBLE FOR 3N75, RIGID FOR 3NBX REFINEMENT PROTOCOL--X-RAY
Data Acquisition Detector Type GATAN ULTRASCAN 4000 (4k x 4k) Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment 2012-09-14 Temperature (Kelvin) 91 Microscope Model FEI TECNAI F30 Minimum Defocus (nm) 1500 Maximum Defocus (nm) 2700 Minimum Tilt Angle (degrees) -0.1 Maximum Tilt Angle (degrees) Nominal CS 2 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 51660 Calibrated Magnification 51660 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details AUTOMATIC DATA ACQUISITION WITH FEI EPU SOFTWARE
EM Software Task Software Package Version CTF CORRECTION CTFFIND 3 MODEL FITTING Flex-EM MODEL FITTING Situs PARTICLE SELECTION EMAN RECONSTRUCTION EMAN RECONSTRUCTION FPM RECONSTRUCTION IMAGIC RECONSTRUCTION SPIDER
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING