Fig. 4From: The keratinolytic bacteria Bacillus cytotoxicus as a source of novel proteases and feather protein hydrolysates with antioxidant activitiesSDS-PAGE (left) and Zymogram (right) of the keratinolytic extracts. From left to right: molecular weight marker (lane 1), LT-1 crude extract (lane 2), molecular weight marker (lane 3), Oll-15 crude extract (lane 4). Zymogram: LT-1 crude extract (lane 1) and Oll-15 crude extract (lane 2)Back to article page