
Keywords: (GlcNAc)n; N-acetylchitooligosaccharides; GlcNAc; N-acetyl-d-glucosamine; pNP-(GlcNAc)n; p-nitrophenyl N-acetylchitooligosaccharides; HPLC; high-performance liquid chromatography; RACE; rapid amplification of cDNA ends; Fish stomach chitinase; Substrate s