Crystal Structure of Anthrax Protective Antigen (Membrane Insertion Loop Deleted) Mutant S337C N664C to 2.06-A resolution
Components
Protective antigen
Keywords
protein transport / toxin
Function / homology
Function and homology information
positive regulation of apoptotic process in another organism / host cell cytosol / Uptake and function of anthrax toxins / negative regulation of MAPK cascade / host cell endosome membrane / protein homooligomerization / toxin activity / host cell plasma membrane / extracellular region / identical protein binding ...positive regulation of apoptotic process in another organism / host cell cytosol / Uptake and function of anthrax toxins / negative regulation of MAPK cascade / host cell endosome membrane / protein homooligomerization / toxin activity / host cell plasma membrane / extracellular region / identical protein binding / membrane / metal ion binding Similarity search - Function
Mass: 18.015 Da / Num. of mol.: 208 / Source method: isolated from a natural source / Formula: H2O
Has protein modification
Y
Sequence details
THE CLOSEST DATABASE REFERENCE TO THE CRYSTALLIZED SEQUENCE CORRESPONDS TO UNP ENTRY P13423, WHICH ...THE CLOSEST DATABASE REFERENCE TO THE CRYSTALLIZED SEQUENCE CORRESPONDS TO UNP ENTRY P13423, WHICH CONTAINS A PRESEQUENCE THAT IS NOT INCLUDED IN NATURAL ANTHRAX PA, NOR WAS A PART OF THE PROTEIN CRYSTALLIZED. THE RESIDUE NUMBERS IN THIS STRUCTURE CONFORM TO THE SEQUENCE FOR PDB ACCESSION CODE 1ACC. TO CLARIFY IN TERMS OF UNP SEQUENCE, THE MUTATIONS MADE WERE V332P, H333G, S366C, AND N693C
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Experimental details
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Experiment
Experiment
Method: X-RAY DIFFRACTION / Number of used crystals: 1
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Sample preparation
Crystal
Density Matthews: 2.51 Å3/Da / Density % sol: 51.02 %
Crystal grow
Temperature: 292 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: 30% (15/4 EO/OH), 0.05M bis-tris-Cl, 0.05M ammonium sulfate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K
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Data collection
Diffraction
Mean temperature: 100 K
Diffraction source
Source: SYNCHROTRON / Site: ALS / Beamline: 8.3.1 / Wavelength: 1.1159 Å
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