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Human SUMO III, active

(Catalog # P004; P013)

 

Description:
The active human SUMO III (Ubiquitin-like protein SMT3B [access no: P55855]) is produced from a E. coli expression system, prepared from freshly extracted cell lysates, and purified to homogeneity using methods developed by LAE Biotechnology Co., LTD. The final fraction of enzyme contains a single polypeptide band of 11 kDa.


Concentration:
LAE-SUMO III is supplied at the concentration of 0.5ug/ul (Cat # P004: 100 ug/tube, 200 ul/tube; Cat # P013: 50 ug/tube, 100 ul/tube).
The recommended working condition is 1 ug of SUMO III in 20 ul of reaction mixtures.


Storage Buffer:
The final fraction of LAE-SUMO III is an affinity column pool and is in the following buffer: 10 mM Tris-Cl, pH 7.5, 100 mM NaCl, 100 mM imidazole, 0.5 mM PMSF, 1 mM DTT, and 10 % glycerol. The enzyme is stable in this buffer at -20 oC to -70 oC. In general, the enzyme is less stable when diluted. We do not recommend any dilution of the enzyme.


Shipping/Storage:
The enzyme is shipped on ice and should be stored at -20oC or lower.

 


Legal consideration: FOR RESEARCH USE ONLY.

 

 

Figure: TOPO I sumoylation with sumo-1 and sumo-3

Right Lane: Topo I protein (TopoI: Cat# B007)

Middle Lane: Sumo-I sumoylated Topo I (Sumo-I: Cat# P003; TopoI: Cat# B007; EI: Cat# P001; EII: Cat# P002; Buffer: Cat# B006)

Left Lane: Sumo-3 sumoylated Topo I (Sumo-3: Cat# P004; TopoI: Cat# B007; EI: Cat# P001; EII: Cat# P002; Buffer: Cat# B006)

Note: Topo I is S35-Met labeled.