3.4.21.116: SpoIVB peptidase
This is an abbreviated version!
For detailed information about SpoIVB peptidase, go to the full flat file.
Word Map on EC 3.4.21.116
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3.4.21.116
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forespore
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pro-sigmak
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sigmak
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checkpoint
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bofa
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spoivfa
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metalloprotease
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intercompartmental
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ctpb
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membrane-embedded
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intramembrane
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cell-cell
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engulfment
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autoproteolysis
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zymogen
- 3.4.21.116
- forespore
- pro-sigmak
- sigmak
-
checkpoint
- bofa
- spoivfa
- metalloprotease
-
intercompartmental
- ctpb
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membrane-embedded
-
intramembrane
-
cell-cell
-
engulfment
-
autoproteolysis
- zymogen
Reaction
N-terminal cleavage of the pro-form of the sporulation protein sigmaK =
Synonyms
M50.002, S55.001, SpoIVB, SpoIVB serine peptidase, SpolVFB, sporulation protein SpolVFB, stage IV sporulation protein FB
ECTree
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Reaction
Reaction on EC 3.4.21.116 - SpoIVB peptidase
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enzyme belongs to S2P family of intramembrane-cleaving proteases
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N-terminal cleavage of the pro-form of the sporulation protein sigmaK
enzyme is a metalloprotease with a transmembrane H43EXXH47 motif, E44 promotes nucleophilic attack by a water molecule on the carbonyl atom of the substrate peptide bond
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self-cleaves Val52-/-Asn53, Ala62-/-Phe63 and Val74-/-Thr75 at the N-terminus of SpoIVB
D137 is essential for catalytic activity, mechanism model, enzyme contains conserved metalloprotease sequence motifs HEXXH and NPDG, which are expected to form the catalytic center and are required for catalytic activity
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self-cleaves Val52-/-Asn53, Ala62-/-Phe63 and Val74-/-Thr75 at the N-terminus of SpoIVB
enzyme contains conserved metalloprotease sequence motif HEXXH
self-cleaves Val52-/-Asn53, Ala62-/-Phe63 and Val74-/-Thr75 at the N-terminus of SpoIVB
enzyme contains conserved metalloprotease sequence motif HEXXH
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