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PDB Id
Uniprot Id
Source Organism
Host Organism
Protein Name
Method
Summary
Structure Feature
Experiment
Ligands & Environment
1QGC
pdb_00001qgc
10.2210/pdb1qgc/pdb
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ELECTRON MICROSCOPY
Sample
FAB FRAGMENT OF A NEUTRALIZING ANTIBODY WITH FOOT AND MOUTH DISEASE VIRUS
Specimen Preperation
Sample Aggregation State
PARTICLE
Vitrification Instrument
Cryogen Name
Sample Vitrification Details
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
?
Reported Resolution (Å)
30
Resolution Method
?
Other Details
?
Refinement Type
Symmetry Type
POINT
Map-Model Fitting and Refinement
ID
1
Refinement Space
REAL
Refinement Protocol
?
Refinement Target
?
Overall B Value
?
Fitting Procedure
?
Details
DETAILS--THE ATOMIC MODEL WAS GENERATED USING THE 3D MAP DETERMINED BY CRYO-ELECTRON MICROSCOPY. X-RAY ATOMIC STRUCTURES WERE AVAILABLE FOR THE INTACT PARTICLE OF FMDV-C AND THE SD6 FAB CO-CRYSTALLIZED WITH A SYNTHETIC PEPTIDE CORRESPONDING TO THE DOMINANT ANTIGENIC LOOP, THE GH LOOP, FROM THE VIRAL CAPSIDE PROTEIN VP1. THE ATOMIC MODEL WAS OBTAINED BY DOCKING THE TWO CRYSTALLOGRAPHIC STRUCTURES IN THE RECONSTRUCTED EM MAP. FITTING WAS DONE SIMULTANEOUSLY IN REAL AND RECIPROCAL SPACE. IN REAL SPACE THE CALCULATED ELECTRON DENSITY FOR THE STARTING MODELS WERE FITTED INTO THE CRYO-EM DENSITY BY A STEEPEST DESCENT PROCEDURE WHICH OPTIMIZED THE LINEAR CORRELATION COEFFICIENT BETWEEN THE TWO DISTRIBUTION (GAP- J.GRIMES,D.STUART, UNPUBLISHED) FOR THE RECIPROCAL SPACE FITTING THE STRUCTURE FACTORS CORRESPONDING TO THE CRYO-EM DENSITY OF THE COMPLEX WERE CALCULATED BY INVERSE FOURIER TRANSFORMATIONS AND THESE FACTORS AND PHASES WERE USED TO REFINE THE X-RAY STRUCTURES, BY RIGID BODY MINIMIZATION, USING X-PLOR (BRUNGER, ET.AL., 1993, YALE UNIVERSITY)
Data Acquisition
Detector Type
KODAK SO-163 FILM
Electron Dose (electrons/Å
2
)
20
Imaging Experiment
Date of Experiment
?
Temprature (Kelvin)
Microscope Model
JEOL 2000EXII
Minimum Defocus (nm)
1800
Maximum Defocus (nm)
3000
Minimum Tilt Angle (degrees)
?
Maximum Tilt Angle (degrees)
?
Nominal CS
?
Imaging Mode
BRIGHT FIELD
Specimen Holder Model
.
Nominal Magnification
30000
Calibrated Magnification
?
Source
?
Acceleration Voltage (kV)
100
Imaging Details
?
Imaging Experiment
Task
Software Package
Version
MODEL FITTING
GAP
?
MODEL FITTING
X-PLOR
?
RECONSTRUCTION
MRC
?
Image Processing
CTF Correction Type
CTF Correction Details
Number of Particles Selected
Particle Selection Details
