Anti-MBTPS1 monoclonal antibody (CABT-18505MH)
Mouse anti-Human MBTPS1 monoclonal antibody for IF, sELISA, ELISA
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MBTPS1 (NP_957720, 246 a.a. ~ 356 a.a) partial recombinant protein with GST tag. MW of the GST tag alone is 26 KDa.
membrane-bound transcription factor peptidase, site 1; EC 18.104.22.168; S1P; MGC138711; KIAA0091; MGC138712
MBTPS1 (Membrane Bound Transcription Factor Peptidase, Site 1) is a Protein Coding gene. Among its related pathways are Metabolism and Transport to the Golgi and subsequent modification. GO annotations related to this gene include serine-type endopeptidase activity and endopeptidase activity. This gene encodes a member of the subtilisin-like proprotein convertase family, which includes proteases that process protein and peptide precursors trafficking through regulated or constitutive branches of the secretory pathway. The encoded protein undergoes an initial autocatalytic processing event in the ER to generate a heterodimer which exits the ER and sorts to the cis/medial-Golgi where a second autocatalytic event takes place and the catalytic activity is acquired. It encodes a type 1 membrane bound protease which is ubiquitously expressed and regulates cholesterol or lipid homeostasis via cleavage of substrates at non-basic residues. Mutations in this gene may be associated with lysosomal dysfunction.
The encoded protein has a central role in the regulation of lipid metabolism in cells. It is a sterol-regulated subtilisin-like serine protease that cleaves ER membrane-bound sterol regulatory element-binding proteins (SREBPs), a reaction that initiates the two-step proteolytic process by which transcriptionally active fragments of SREBPs are released from the membrane for translocation to the nucleus. The gene product is an integral membrane ER protein, with the bulk located in the ER lumen. It is synthesized as an inactive preproprotein that is self-activated by an intramolecular cleavage that generates the mature protein.
Mouse monoclonal antibody raised against a partial recombinant MBTPS1. Serine protease that catalyzes the first step in the proteolytic activation of the sterol regulatory element-binding proteins (SREBPs). Other known substrates are BDNF, GNPTAB and ATF6. Cleaves after hydrophobic or small residues, provided that Arg or Lys is in position P4. Cleaves known substrates after Arg-Ser-Val-Leu (SERBP-2), Arg-His-Leu-Leu (ATF6), Arg-Gly-Leu-Thr (BDNF) and its own propeptide after Arg-Arg-Leu-Leu. Mediates the protein cleavage of GNPTAB into subunit alpha and beta, thereby participating in biogenesis of lysosomes. The function about MBTPS1 antigen include peptidase activity; serine-type endopeptidase activity; serine-type endopeptidase activity.
Activation of Chaperones by ATF6-alpha, organism-specific biosystem; Diabetes pathways, organism-specific biosystem; Protein processing in endoplasmic reticulum, organism-specific biosystem; Protein processing in endoplasmic reticulum, conserved biosystem; Unfolded Protein Response, organism-specific biosystem.
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Matthews, KA; Kunte, AS; et al. Alternative Processing of Sterol Regulatory Element Binding Protein During Larval Development in Drosophila melanogaster. GENETICS 181:119-128(2009).
Zhang, Y; Kobayashi, A; et al. The Nrf3 Transcription Factor Is a Membrane-bound Glycoprotein Targeted to the Endoplasmic Reticulum through Its N-terminal Homology Box 1 Sequence. JOURNAL OF BIOLOGICAL CHEMISTRY 284:3195-3210(2009).
Custom Antibody Labeling
We offer labeled antibodies using our catalogue antibody products and a broad range of intensely fluorescent dyes and labels including HRP, biotin, ALP, Alexa Fluor® dyes, DyLight® Fluor dyes, R-phycoerythrin (R-PE), at scales from less than 100 μg up to 1 g of IgG antibody.