extrachromosomal circular DNA / bacteriocin immunity / toxic substance binding / endonuclease activity / killing of cells of another organism / Hydrolases; Acting on ester bonds / defense response to bacterium / protein domain specific binding / protein-containing complex / metal ion binding Similarity search - Function
Colicin E7 immunity protein; Chain B, fragment: Endonuclease domain / Colicin/pyocin, DNase domain / Colicin E immunity protein / Colicin immunity protein/pyocin immunity protein / Colicin E immunity protein superfamily / Colicin immunity protein / pyocin immunity protein / Colicin/Pyocin-S2, DNase domain / Colicin/pyocin, DNase domain superfamily / Colicin, receptor domain / Coiled-coil receptor-binding R-domain of colicin E2 ...Colicin E7 immunity protein; Chain B, fragment: Endonuclease domain / Colicin/pyocin, DNase domain / Colicin E immunity protein / Colicin immunity protein/pyocin immunity protein / Colicin E immunity protein superfamily / Colicin immunity protein / pyocin immunity protein / Colicin/Pyocin-S2, DNase domain / Colicin/pyocin, DNase domain superfamily / Colicin, receptor domain / Coiled-coil receptor-binding R-domain of colicin E2 / Cloacin colicin family / Colicin-like bacteriocin tRNase domain / Pyosin/cloacin translocation domain / Pyosin/cloacin translocation domain superfamily / His-Me finger superfamily / Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein; Chain A / Alpha-Beta Complex / Orthogonal Bundle / Mainly Alpha / Alpha Beta Similarity search - Domain/homology
Mass: 18.015 Da / Num. of mol.: 111 / Source method: isolated from a natural source / Formula: H2O
Compound details
ENGINEERED RESIDUE IN CHAIN A, CYS 23 TO ALA ENGINEERED RESIDUE IN CHAIN A, GLU 31 TO CYS ...ENGINEERED RESIDUE IN CHAIN A, CYS 23 TO ALA ENGINEERED RESIDUE IN CHAIN A, GLU 31 TO CYS ENGINEERED RESIDUE IN CHAIN B, GLY 543 TO CYS
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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: 2.83 Å3/Da / Density % sol: 56.54 % / Description: NONE
Resolution: 1.78→19.59 Å / Cor.coef. Fo:Fc: 0.956 / Cor.coef. Fo:Fc free: 0.943 / SU B: 2.101 / SU ML: 0.068 / Cross valid method: THROUGHOUT / ESU R: 0.108 / ESU R Free: 0.106 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES REFINED INDIVIDUALLY.
Rfactor
Num. reflection
% reflection
Selection details
Rfree
0.22288
1349
5 %
RANDOM
Rwork
0.19285
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-
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obs
0.19434
25395
96.39 %
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Solvent computation
Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK