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Encompassing Amino Acids: full length
Applications: Useful as an E3 ligase in ubiquitin-conjugating reactions and to analyze upregulation/downregulation of E3 enzymes.
Background: MuRF2 is a RING domain E3 ligase that is involved in the conjugation of ubiquitin to target substrates. MuRF2 has been demonstrated to function with the E2 enzyme UBE2D3 (UbcH5c) in vitro. MuRF2 is also known as TRIM55 (tripartite motif containing 55) containing a RING-finger/B-box/coiled-coil tripartite fold. MuRF2 has been implicated along with MuRF1 as regulators of protein degradation in striated muscle.
Biological Activity: Typical enzyme concentration of 20-1000 nM is used for in vitro conjugation depending on assay conditions.
Description: Human MuRF2 recombinant protein (Genbank Accession No. Q5PQN5), full length with N-terminal SUMO (variant 3) -tag, expressed in E. coli.
Format: Aqueous buffer solution
Formulation: 50 mM Tris, 150 mM NaCl pH 7.5, 5 mM DTT, 10% glycerol
Genbank: Q9BYV6
Purity: ≥90% by SDS-PAGE
Storage Stability: Stable for≥1 year at -80°C.
Tags: N-terminal SUMO-tag
Uniprot: Q9BYV6
Warnings: Avoid freeze/thaw cycles.
Biosafety Level: Not applicable (BSL-1)
References: 1. Willis, M.S., et al. Muscle ring finger 1, but not muscle ring finger 2, regulates cardiac hypertrophy in vivo. Circ Res, 2007. 100(4): p. 456-9.
2. Witt, S.H., et al. MURF-1 and MURF-2 target a specific subset of myofibrillar proteins redundanly: towards understanding MURF-dependent muscle ubiquitination. J Mol Biol, 2005. 350(4): p. 713-22.
3. Witt, C.C., et al. Cooperative control of striated muscle mass and metabolism by MuRF1 and MuRF2. Embo J, 2008. 27(2): p. 350 -60.
4. Moriscot, A.S., et al. MuRF1 is a muscle fiber-type II associated factor and together with MuRF2 regulates type-II fiber trophicity and maintenance. J Struct Biol. 2010 May;170(2):344-53.
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