DNA sequencing revealed that the IPNS gene of S. cattleya consists of 963 bp encoding a protein of 321 amino acids with ATG as start codon, TGA as stop codon.

• 经基因序列分析表明牲畜链霉菌中IPNS基因；由963bp组成；起始密码子为ATG；终止密码子为TGA；共编码321个氨基酸；所克隆的牲畜链霉菌IPNS基因编码蛋白与已知的S.