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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

Natural Substrates Products

Natural Substrates Products on EC 3.4.24.B23 - stage IV sporulation protein FB

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NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
pro-sigmaK + H2O
sigmaK + peptide
show the reaction diagram
pro-sigmaK + H2O
sigmaK + sigmaK propeptide
show the reaction diagram
additional information
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regulation of SpoIVFB activity is achieved by a proteolytic cascade involving serine proteases, which are used as S1P protease in other S2P cascades. SpoIVB and CtpB are not involved in Site-1 cleavage of substrate but are required to relieve the inhibition of SpoIVFB by SpoIVFA and BofA
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