Murabutide control Murabutide analog (D-D isoform) Murabutide control, the negative control for murabutide, contains D-alanine instead of L-alanine. Murabutide control does not activate NOD2. Working concentration: 1 - 100 ng/ml Endotoxin level: <0.125 EU/mg Solubility: 10 mg/ml in water Formula: C23H40N4O11 Molecular weight: 548.58 Synonym: N-Acetyl-muramyl-D-Alanyl-D-Glutamin-n-butyl-ester