3.4.24.B23: stage IV sporulation protein FB

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For detailed information about stage IV sporulation protein FB, go to the full flat file.

Reaction

implicated in the coupling of mother cell to forespore gene expression. Required for spore formation. Processes the pro-sigma K factor =

Synonyms

More, pro-sigmaK protease, SPOIVFB, SpoIVFB protein

ECTree

3 Hydrolases

3.4 Acting on peptide bonds (peptidases)

3.4.24 Metalloendopeptidases

3.4.24.B23 stage IV sporulation protein FB

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2	Activating Compound
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5	Cloned(Commentary)
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9	Inhibitors
15	Localization
3	Metals/Ions
10	Natural Substrates/ Products (Substrates)
17	Organism
4	Protein Variants
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1	Reaction
13	Reference
17	Substrates and Products (Substrate)
1	Subunits
15	Synonyms

Purification

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Purification on EC 3.4.24.B23 - stage IV sporulation protein FB

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when catalytically inactive SpoIVFB is coexpressed with C-terminally truncated Pro-sigmaK(1-126) in Escherichia coli, the substrate dramatically improves solubilization of the enzyme from membranes with mild detergents. Both the Pro(1-20) and sigmaK(21-126) parts contribute to improving SpoIVFB solubilization from membranes, but only the sigmaK part is needed to form a stable complex with SpoIVFB. The last 10 residues of SpoIVFB are required for improved solubilization from membranes

Bacillus subtilis

P26937

754129