6VVO
Structure of the human clamp loader (Replication Factor C, RFC) bound to the sliding clamp (Proliferating Cell Nuclear Antigen, PCNA)
ELECTRON MICROSCOPY
Refinement
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 20.0978 |
f_angle_d | 0.8131 |
f_chiral_restr | 0.0515 |
f_bond_d | 0.0083 |
f_plane_restr | 0.0049 |
Sample |
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Human Replication factor C (RFC) complex bound to the sliding clamp Proliferating cell nuclear antigen (PCNA) |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 193934 |
Reported Resolution (Å) | 3.4 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | Multi-body refinement was used to generate 2 reconstructions that were combined |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 | ||||
Refinement Space | REAL | ||||
Refinement Protocol | OTHER | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | Initial local fitting was peformed using UCSF Chimera, followed by manual model adjustment, then refinement in PHENIX. |
Data Acquisition | |||||||||
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Detector Type | GATAN K3 (6k x 4k) | GATAN K3 (6k x 4k) | |||||||
Electron Dose (electrons/Å**2) | 40.3 | 45 |
Imaging Experiment | 1 | 2 |
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Date of Experiment | ||
Temperature (Kelvin) | ||
Microscope Model | FEI TITAN KRIOS | FEI TITAN KRIOS |
Minimum Defocus (nm) | ||
Maximum Defocus (nm) | ||
Minimum Tilt Angle (degrees) | ||
Maximum Tilt Angle (degrees) | ||
Nominal CS | 2.7 | 2.7 |
Imaging Mode | BRIGHT FIELD | BRIGHT FIELD |
Specimen Holder Model | ||
Nominal Magnification | ||
Calibrated Magnification | ||
Source | FIELD EMISSION GUN | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 | 300 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
PARTICLE SELECTION | cisTEM | 1.0.0 |
IMAGE ACQUISITION | SerialEM | |
MODEL FITTING | UCSF Chimera | |
MODEL REFINEMENT | PHENIX | |
INITIAL EULER ASSIGNMENT | cisTEM | |
FINAL EULER ASSIGNMENT | RELION | 3.0.2 |
CLASSIFICATION | RELION | 3.0.2 |
RECONSTRUCTION | RELION | 3.0.2 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION |