Immunogen | Mouse myeloma cell line NS0-derived recombinant human Legumain/Asparaginyl Endopeptidase Ile18-Tyr433 Accession # Q99538 |
Specificity | Detects human Legumain/Asparaginyl Endopeptidase in direct ELISAs and Western blots. |
Source | N/A |
Isotype | IgG |
Clonality | Polyclonal |
Host | Goat |
Gene | LGMN |
Purity Statement | Antigen Affinity-purified |
Innovator's Reward | Test in a species/application not listed above to receive a full credit towards a future purchase. |
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Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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Buffer | Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS. |
Preservative | No Preservative |
Concentration | LYOPH |
Reconstitution Instructions | Reconstitute at 0.2 mg/mL in sterile PBS. |
Legumain is a lysosomal cysteine protease whose activity is found in several tissues tested (1, 2). Legumain plays a pivotal role in the endosomal/lysosomal degradation system because the Legumain deficiency causes the accumulation of pro cathepsins B, H and L, another group of lysosomal cysteine proteases (3). Over-expression of Legumain in tumors is significant for invasion/metastasis (4). Also known as Asparaginyl Endopeptidase, it specifically cleaves peptide bonds with Asn at the P1 position. Nevertheless, it also cleaves peptide bonds with Asp at the P1 position. Auto-activation of pro Legumain involves both types of the cleavage, which result in the removal of the pro peptides in both C- and N-termini (5). In addition, Legumain activates pro MMP-2 and processes bacterial antigens for MHC class II presentation and pro thymosin alpha to thymosin alpha 1 and thymosin alpha 11, two acidic peptides with immunoregulatory properties (6‑8). Human Legumain is synthesized as a 433 amino acid precursor with a signal peptide (residues 1‑17). The pro enzyme (residues 18‑433) was expressed with an N-terminal His tag. This activity of Legumain can be inhibited by recombinant human (rh) Cystatin C and rhCystatin E/M and recombinant mouse Cystatin C (R&D Systems, Catalog # 1196‑PI, 1286-PI and 1238-PI, respectively).
Images | Ratings | Applications | Species | Date | Details | ||||||||
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reviewed by:
Verified Customer |
WB | Human | 12/23/2015 |
Summary
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reviewed by:
Verified Customer |
WB | Human | 01/06/2015 |
Summary
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Secondary Antibodies |
Isotype Controls |
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Verified Customer 12/23/2015 |
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Application: | WB | |
Species: | Human |
Verified Customer 01/06/2015 |
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Application: | WB | |
Species: | Human |