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Literature summary for 3.4.21.116 extracted from

  • Campo N.; Rudner D.Z.
    SpoIVB and CtpB are both forespore signals in the activation of the sporulation transcription factor sigmaK in Bacillus subtilis (2007), J. Bacteriol., 189, 6021-6027.
    View publication on PubMedView publication on EuropePMC

Localization

Localization Comment Organism GeneOntology No. Textmining
endospore-forming forespore secreted by the forespore into the intermembrane space between the forespore and the mother cell membrane Bacillus subtilis 42601
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Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
CtpB + H2O Bacillus subtilis cleavage is not required to activate CtpB protease activity ?
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CtpB + H2O Bacillus subtilis PY79 cleavage is not required to activate CtpB protease activity ?
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?
SpoIVFA + H2O Bacillus subtilis involved in the regulation of sporulation, cleavage of the extracellular domain at multiple sides, cleavage is thought to cause a conformational change in the signaling complex that activates SpoIVFB-dependent pro-sigmaK processing, activity of SpoIVB is absolutely essential for sigmaK processing cleaved SpoIVFA + extracellular domain peptide of SpoIVFA
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?
SpoIVFA + H2O Bacillus subtilis PY79 involved in the regulation of sporulation, cleavage of the extracellular domain at multiple sides, cleavage is thought to cause a conformational change in the signaling complex that activates SpoIVFB-dependent pro-sigmaK processing, activity of SpoIVB is absolutely essential for sigmaK processing cleaved SpoIVFA + extracellular domain peptide of SpoIVFA
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?

Organism

Organism UniProt Comment Textmining
Bacillus subtilis
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Bacillus subtilis PY79
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Source Tissue

Source Tissue Comment Organism Textmining

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
CtpB + H2O cleavage is not required to activate CtpB protease activity Bacillus subtilis ?
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?
CtpB + H2O cleavage is not required to activate CtpB protease activity Bacillus subtilis PY79 ?
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?
CtpB-His6 + H2O effective cleavage to a size similar to that observed during sporulation process Bacillus subtilis ?
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?
CtpB-His6 + H2O effective cleavage to a size similar to that observed during sporulation process Bacillus subtilis PY79 ?
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?
SpoIVFA + H2O involved in the regulation of sporulation, cleavage of the extracellular domain at multiple sides, cleavage is thought to cause a conformational change in the signaling complex that activates SpoIVFB-dependent pro-sigmaK processing, activity of SpoIVB is absolutely essential for sigmaK processing Bacillus subtilis cleaved SpoIVFA + extracellular domain peptide of SpoIVFA
-
?
SpoIVFA + H2O involved in the regulation of sporulation, cleavage of the extracellular domain at multiple sides, cleavage is thought to cause a conformational change in the signaling complex that activates SpoIVFB-dependent pro-sigmaK processing, activity of SpoIVB is absolutely essential for sigmaK processing Bacillus subtilis PY79 cleaved SpoIVFA + extracellular domain peptide of SpoIVFA
-
?

Synonyms

Synonyms Comment Organism
SpoIVB not identical with SpoIVFB Bacillus subtilis