The amino acid sequence analyses of STCs and cDNAs have revealed that reduced STCs (monomer) consist of 179 (chum salmon),223 (coho salmon) and 231 (Australian eel) amino acid residues,respectively.

• STC单体的氨基酸序列分析表明，大麻哈鱼、银大麻哈鱼和澳大利亚鳗鲡的氨基酸残基数分别为179、223和231个。