3.4.24.B23: stage IV sporulation protein FB

This is an abbreviated version!
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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Results	in table
2	Activating Compound
1	AA Sequence
5	Cloned(Commentary)
1	Cofactor
1	Crystallization (Commentary)
9	General Information
9	Inhibitors
15	Localization
3	Metals/Ions
10	Natural Substrates/ Products (Substrates)
17	Organism
4	Protein Variants
1	Purification (Commentary)
1	Reaction
13	Reference
17	Substrates and Products (Substrate)
1	Subunits
15	Synonyms

Engineering

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

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E44C

Bacillus subtilis

inactive

734089

E44Q

Bacillus subtilis

site-directed mutagenesis of SpoIVFB protein with an extra transmembrane segment , the mutant is inactive with substrate mutant pro-sigmaK S20G in contrast to the wild-type enzyme

710415

E44Q/E282C

Bacillus subtilis

inactive

734089

additional information

Bacillus subtilis

construction of SpoIVFB protein with an extra transmembrane segment attached to the N-terminus for increased expression rate and facilitated purification, overview. Deletion of 10 residues from the C-terminal end of SpoIVFB nearly eliminates cleavage of coexpressed pro-sigmaK in recombinant Escherichia coli

710415