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SUMO-1 (human) (CT) polyclonal antibody

BML-PW9460-0025 25 µl 142.00 USD
BML-PW9460-0100 100 µl 481.00 USD
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Product Details

Alternative Name:Sentrin-1, Small ubiquitin-related modifier 1
Immunogen:Synthetic peptide corresponding to aa 72-97 of human SUMO-1.
UniProt ID:P63165
Source:Purified from rabbit serum.
Species reactivity:Human
Recommended Dilutions/Conditions:Western Blot (1:1,000)
Suggested dilutions/conditions may not be available for all applications.
Optimal conditions must be determined individually for each application.
Purity Detail:Partially purified by salt precipitation .
Formulation:Liquid. In PBS containing 0.01% sodium azide.
Shipping:Blue Ice
Long Term Storage:-20°C
Scientific Background:The small ubiquitin-related modifier SUMO-1 belongs to the growing family of ubiquitin-related proteins involved in post-translational protein modification. It is present in all eukaryotic kingdoms and is highly conserved from yeast to humans. Whereas invertebrates have only one SUMO gene, three members of the SUMO family have been described in vertebrates, SUMO-1 and the close homologues SUMO-2 and SUMO-3 with some 50% homology between SUMO-1 and SUMO-2/3. The SUMO family members have a short N-terminal extension that is absent in ubiquitin, and the function of which is unknown and the sequence of which varies between the three family members.  Unlike ubiquitin, SUMO-1 does not appear to target proteins for degradation but seems to be involved in the modulation of protein-protein interactions. Although having only 18% amino acid sequence identity with ubiquitin, the overall structure closely resembles that of ubiquitin. Whereas the two C-terminal glycine residues required for isopeptide bond formation are conserved between the two molecules, Lys48 found in ubiquitin, and required to generate ubiquitin polymers, is substituted by Gln69in SUMO-1 thereby providing an explanation of why SUMO-1 has not been observed to form polymers.  An increasing number of SUMO-1 substrates are being described but three major substrates for SUMO-1 modification are RanGAP1, PML and IκBα proteins. 
Technical Info/Product Notes:The antiserum was raised in New Zealand White rabbits to a synthetic peptide corresponding to amino acid residues 72-97 of human SUMO-1. The antibody has been partially purified by salt precipitation and is suspended in PBS containing 0.01% sodium azide as a preservative. BML-PW9460 has been characterised for specificity against recombinant SUMO-1 and SUMO-1 conjugates by western blotting and shows similar affinity for both. The antibody shows no cross-reactivity with ubiquitin, multi-ubiquitin chains, SUMO2/3, ISG15, NEDD8, and FAT10.
Reactivity of the antibody with both pro- and mature forms of SUMO-1 is completely abolished by preincubation of the antibody with its cognate peptide (product code BML-PP9475).
Regulatory Status:RUO - Research Use Only
SUMO-1 (human) (CT) polyclonal antibody Western blot
Western blot analysis: SUMOylation assay utilising SUMO-1, SUMO E1 (BML-UW9330), SUMO E2 (BML-UW9320) and RANGAP1 as substrate in presence (lane 2) and absence (lane 1) of ATP after SDS-PAGE and blotting to PVDF with subsequent probing with BML-PW9460.
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SUMO-1 (human) (CT) polyclonal antibody Western blot

Product Literature References

The axonal motor neuropathy-related HINT1 protein is a zinc- and calmodulin-regulated cysteine SUMO protease: E. Cortes-Montero, et al.; Antioxid. Redox Signal. 31, 503 (2019), Abstract;

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