Species : |
Human |
Source : |
Mammalian Cells |
Tag : |
His |
Protein Length : |
18-433 a.a. |
Description : |
This gene encodes a cysteine protease that has a strict specificity for hydrolysis of asparaginyl bonds. This enzyme may be involved in the processing of bacterial peptides and endogenous proteins for MHC class II presentation in the lysosomal/endosomal systems. Enzyme activation is triggered by acidic pH and appears to be autocatalytic. Protein expression occurs after monocytes differentiate into dendritic cells. A fully mature, active enzyme is produced following lipopolysaccharide expression in mature dendritic cells. Overexpression of this gene may be associated with the majority of solid tumor types. This gene has a pseudogene on chromosome 13. Several alternatively spliced transcript variants have been described, but the biological validity of only two has been determined. These two variants encode the same isoform. |
Predicted N Terminal : |
His |
Form : |
Supplied as a 0.2 µm filtered solution in Tris, NaCl and Glycerol. |
Bio-activity : |
Measured by its ability to cleave the fluorogenic peptide substrate, N-carbobenzyloxy-Ala-Ala-Asn-7-amido-4-methylcoumarin (Z-AAN-AMC). The specific activity is >250 pmol/min/µg. |
Molecular Mass : |
Predicted Molecular Mass:49 kDa SDS-PAGE:60 kDa, reducing conditions |
Endotoxin : |
< 1.0 EU per 1 μg of the protein by the LAL method. |
Purity : |
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain. |
Storage : |
Avoid repeated freeze-thaw cycles. 3 months from date of receipt, -70 °C as supplied. 1 month, -70 °C under sterile conditions after opening. |