- PDB-1gxg: Non-cognate protein-protein interactions: the NMR structure of th... -
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Open data
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Basic information
Entry
Database: PDB / ID: 1gxg
Title
Non-cognate protein-protein interactions: the NMR structure of the colicin E8 inhibitor protein Im8 and its interaction with the DNase domain of colicin E9
Components
COLICIN E8 IMMUNITY PROTEIN
Keywords
INHIBITOR / INHIBITOR PROTEIN OF DNASE COLICIN E8 / BACTERIOCIN IMMUNITY / PLASMID
THE 30 LOWEST TARGET FUNCTION STRUCTURES FROM DYANA WERE ENERGY MINIMISED IN OPAL; THE 20 LOWEST ENERGY STRUCTURES WERE CHOSEN AS THE FINAL ENSEMBLE
Representative
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Components
#1: Protein
COLICINE8IMMUNITYPROTEIN / IMME8 / MICROCIN E8 IMMUNITY PROTEIN
Mass: 9634.519 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Details: IM8 IS THE IMMUNITY PROTEIN OF COLICIN E8 (DNASE) / Source: (gene. exp.) ESCHERICHIA COLI (E. coli) / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P09881
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Experimental details
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Experiment
Experiment
Method: SOLUTION NMR
NMR experiment
Conditions-ID
Experiment-ID
Solution-ID
Type
1
1
1
3D 15N-EDITED TOCSY-HSQC
1
2
1
3D 15N-EDITED NOESY-HSQC
1
3
1
2D 1H-1H TOCSY (80MS)
1
4
1
2D 1H-1H NOESY(100MS)
NMR details
Text: NMR STRUCTURE DETERMINED USING 15-LABELLED IM8 PROTEIN. THIS ENTRY REPRESENTS THE LOWEST ENERGY STRUCTURE FROM AN ENSEMBLE OF 20 STRUCTURES (THE ENSEMBLE HAS BEEN DEPOSITED AS ENTRY 1GXH).
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Sample preparation
Details
Contents: 0.01M DTT
Sample conditions
Ionic strength: 0.05 M / pH: 6.2 / Pressure: 1 atm / Temperature: 298 K
Method: torsion angle dynamics / Software ordinal: 1 Details: REFINEMENT USING A RESTRAINT MOLECULAR DYNAMICS RUN IN VACUO
NMR ensemble
Conformer selection criteria: THE 30 LOWEST TARGET FUNCTION STRUCTURES FROM DYANA WERE ENERGY MINIMISED IN OPAL; THE 20 LOWEST ENERGY STRUCTURES WERE CHOSEN AS THE FINAL ENSEMBLE Conformers calculated total number: 300 / Conformers submitted total number: 1
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