Active, Recombinant Human KLHDC2 (1-360)

E3 ligases

Product Code: TE3-086
Verified Applications: KLHDC2 is active in a binary complex formation assay using a biotinylated peptide from the human SELK protein.
Activity: Verified in Binary Complex Assay.
Purity: 90 %
Concentration: 10-15 μM

For Research Use Only (RUO)

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Protein Name: KLHDC2 (1-360)
UniProt #: Q9Y2U9
Predicted Molecular Weight: 42 kDa
Tag: C-8xHis

Background and Additional Info

Background: Kelch repeat, beta-propeller structures. These proteins typically function as scaffolds or adaptors in various cellular processes, including protein-protein interactions, cytoskeletal organization, and signal transduction. KLHDC2 is the substrate recognition subunit of a CUL2-RING (CRL2) E3 ubiquitin-protein ligase in the DesCEND (destruction via C-end degrons) pathway. Targets of KLHDC2 include prematurely terminated SELENOK, SELENOS, and other proteins with a C-terminal glycine-glycine motif. KLHDC2-based degradation tools are still in early stages of development compared to more established ligases like VHL or CRBN, but they hold promise for expanding the toolkit of targeted protein degradation for therapeutic applications.
Shipping: The product is shipped with dry ice. Upon receipt, store it immediately at the temperature recommended below.
Storage and Stability: Use a manual defrost freezer and avoid repeated freeze-thaw cycles. Aliquot and store ≤ -70°C (stable for 24 months from date of receipt).
References: Rusnac D-V., et al. (2018) Mol Cell 72(5): 813-822. PMID: 30526872

Scott D.C., et al. (2023) Mol Cell 83(5): 770-786. PMID: 36805027

Hickey C.H., et al. (2024) Nat Struct Mol Biol 31(2):311-322. PMID: 38177675

Alternate Names: HCA33, HCLP-1
Protein Sequence: MADGNEDLRADDLPGPAFESYESMELACPAERSGHVAVSDGRHMFVWGGYKSNQVRGLYDFYLPREELWIYNMETGRWKKINTEGDVPPSMSGSCAVCVDRVLYLFGGHHSRGNTNKFYMLDSRSTDRVLQWERIDCQGIPPSSKDKLGVWVYKNKLIFFGGYGYLPEDKVLGTFEFDETSFWNSSHPRGWNDHVHILDTETFTWSQPITTGKAPSPRAAHACATVGNRGFVFGGRYRDARMNDLHYLNLDTWEWNELIPQGICPVGRSWHSLTPVSSDHLFLFGGFTTDKQPLSDAWTYCISKNEWIQFNHPYTEKPRLWHTACASDEGEVIVFGGCANNLLVHHRAAHSNEILIFSVQGSHHHHHHHH