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Literature summary for 2.3.1.B41 extracted from

  • You, W.; Steegborn, C.
    Structural basis of sirtuin 6 inhibition by the hydroxamate trichostatin A implications for protein deacylase drug development (2018), J. Med. Chem., 61, 10922-10928 .
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
gene SIRT6, His-tagged full-length Sirt6 (residues 1-355) in pQE80L.1 vector is expressed in Escherichia coli strain M15[pREP4] and His-tagged Sirt6(13-308) in vector pET151-D-TOPO in Escherichia coli strain Rosetta2 (DE3) pLysS Homo sapiens

Crystallization (Commentary)

Crystallization (Comment) Organism
Sirt6/ADP-ribose/trichostatin A complex, hanging drop vapor diffusion method, 10 mg/ml purified recombinant protein Sirt6 and 10 mM ADP-ribose in 50 mM Na-phosphate buffer, pH 7.5, 0.6 mM DTT, and 5% DMSO are mixed with an equal volume of reservoir solution containing 1.6 M (NH4)2SO4, 10% PEG 400, and Bis-Tris buffer, pH 5.7, at 20°C, X-ray diffraction structure determination and analysis at 1.70 A resolution, molecular replacement using a Sirt6/ADP-ribose structure (PDB ID 3K35) as search model, modeling Homo sapiens

Inhibitors

Inhibitors Comment Organism Structure
trichostatin A TSA, a potent, zinc-chelating hydroxamate inhibitors of zinc-dependent deacylases, which potently and isoform-specifically inhibits Sirt6. Sirtuin 6 inhibition mechanism, structural basis and interaction analysis, detailed overview. The binding site are nicotinamide pocket and acyl channel, binding kinetics Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
NAD+ + [protein]-N6-palmitoyl-L-lysine Homo sapiens
-
nicotinamide + [protein]-L-lysine + 2'-O-palmitoyl-ADP ribose
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens Q8N6T7
-
-

Purification (Commentary)

Purification (Comment) Organism
recombinant His-tagged enzyme from Escherichia coli by nickel affinity chromatography, tag cleavage by TEV protease, reverse affinity chromatography, action exchange chromatography, and gel filtration Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
NAD+ + [protein]-N6-palmitoyl-L-lysine
-
Homo sapiens nicotinamide + [protein]-L-lysine + 2'-O-palmitoyl-ADP ribose
-
?

Synonyms

Synonyms Comment Organism
SIRT6
-
Homo sapiens
sirtuin-6
-
Homo sapiens

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Homo sapiens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
assay at Homo sapiens

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Homo sapiens

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.45
-
trichostatin A pH 7.5, 25°C Homo sapiens