|H M Mk||Endogenous||62||Mouse IgG1|
Western blot analysis of extracts from various cell lines using KLHL12 (2G2) Mouse mAb.Learn more about how we get our images.
Western blot analysis of extracts from 293T cells, mock transfected (-) or transfected with a construct expressing Myc/DDK-tagged full-length human KLHL12 (hKLHL12-Myc/DDK; +), using KLHL12 (2G2) Mouse mAb.Learn more about how we get our images.
For western blots, incubate membrane with diluted primary antibody in 5% w/v nonfat dry milk, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
NOTE: Please refer to primary antibody datasheet or product webpage for recommended antibody dilution.
From sample preparation to detection, the reagents you need for your Western Blot are now in one convenient kit: #12957 Western Blotting Application Solutions Kit
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalent grade water.
Load 20 µl onto SDS-PAGE gel (10 cm x 10 cm).
NOTE: Volumes are for 10 cm x 10 cm (100 cm2) of membrane; for different sized membranes, adjust volumes accordingly.
* Avoid repeated exposure to skin.
posted June 2005
revised November 2013
Reprobing of an existing membrane is a convenient means to immunoblot for multiple proteins independently when only a limited amount of sample is available. It should be noted that for the best possible results a fresh blot is always recommended. Reprobing can be a valuable method but with each reprobing of a blot there is potential for increased background signal. Additionally, it is recommended that you verify the removal of the first antibody complex prior to reprobing so that signal attributed to binding of the new antibody is not leftover signal from the first immunoblotting experiment. This can be done by re-exposing the blot to ECL reagents and making sure there is no signal prior to adding the next primary antibody.
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalently purified water.
posted June 2005
revised June 2016
Protocol Id: 19
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.
KLHL12 (2G2) Mouse mAb recognizes endogenous levels of total KLHL12 protein.
Human, Mouse, Monkey
Monoclonal antibody is produced by immunizing animals with a recombinant protein specific to the carboxy terminus of human KLHL12 protein.
Cullins are proteins that function as molecular scaffolds for modular ubiquitin ligases typified by the SCF (Skp1-CUL1-F-box) complex (1-3). The substrate selectivity of these E3 ligases is dictated by a specificity module that binds cullins. In the SCF complex, this module is composed of Skp1, which binds directly to CUL1, and a member of the F-box family of proteins such as Skp2 (1-4). CUL3 has been shown to be required for embryonic development in mammals and Caenorhabditis elegans (5-7) but until recently, its substrate specificity adaptor had yet to be elucidated. It is now recognized that substrate adaptors for CUL3-based ubiquitin ligase complexes contain a conserved BTB/POZ (Pox virus and Zinc finger) domain. This domain, which was initially identified in the Drosophila transcriptional repressors broad complex, tramtrack, and bric-a-brac is present in more than 190 human proteins. BTB proteins contain a variety of putative protein-protein interaction domains, including MATH domains, zinc finger repeats, and kelch repeats (8).
There are several lines of evidence suggesting that Kelch-like 12 protein (KLHL12) is a substrate-specific adaptor for the CUL3-based ubiquitin ligase complex. Analysis of the amino acid sequence of KLHL12 reveals an amino-terminal BTB motif, a central linker region, and a carboxy-terminal kelch domain composed of kelch repeats. Furthermore, KLHL12 has been shown to negatively regulate Wnt signaling by binding Disheveled and targeting it for ubiquitin-dependent proteasomal degradation (9). More recently, KLHL12 was shown to drive the assembly of large COPII vesicles by promoting the monoubiquitination of the COPII component Sec31. As a result, CUL3-KLHL12-dependent ubiquitination is essential for collagen export, a step that is required for integrin-dependent mouse embryonic stem cell division (10).
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