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Information on EC 3.4.24.85 - S2P endopeptidase

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EC Tree
     3 Hydrolases
         3.4 Acting on peptide bonds (peptidases)
             3.4.24 Metalloendopeptidases
                3.4.24.85 S2P endopeptidase
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The expected taxonomic range for this enzyme is: Eukaryota, Bacteria, Archaea
Reaction Schemes
Cleaves several transcription factors that are type-2 transmembrane proteins within membrane-spanning domains. Known substrates include sterol regulatory element-binding protein (SREBP) -1, SREBP-2 and forms of the transcriptional activator ATF6. SREBP-2 is cleaved at the site DRSR_ILL_483-/-CVLTFLCLSFNPLTSLLQWGGA, in which the membrane-spanning segment is underlined. The residues NP (bold), 11 residues distal to the site of cleavage in the membrane-spanning domain, are important for cleavage by S2P endopeptidase. Replacement of either of these residues does not prevent cleavage, but there is no cleavage if both of these residues are replaced.
Synonyms
sterol regulatory element binding protein, spoivfb, site-2 protease, intramembrane-cleaving protease, i-clip, sll0528, slr0643, sterol-regulated protease, rv2869c, srebp cleavage activity, more
REACTION
REACTION DIAGRAM
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ORGANISM
UNIPROT
LITERATURE
Cleaves several transcription factors that are type-2 transmembrane proteins within membrane-spanning domains. Known substrates include sterol regulatory element-binding protein (SREBP) -1, SREBP-2 and forms of the transcriptional activator ATF6. SREBP-2 is cleaved at the site DRSR_ILL_483-/-CVLTFLCLSFNPLTSLLQWGGA, in which the membrane-spanning segment is underlined. The residues NP (bold), 11 residues distal to the site of cleavage in the membrane-spanning domain, are important for cleavage by S2P endopeptidase. Replacement of either of these residues does not prevent cleavage, but there is no cleavage if both of these residues are replaced.
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