8767
The bZP2 cDNA ( 115 - 1914 nt , 1 . 8 kb ) , excluding sequences coding for N - terminal signal sequence and C - terminal transmembranelike domain , was PCR amplified and Sac1 - Sal1 restricted fragment cloned in frame downstream of the T5 promoter under the lac operator control in a pQE - 30 vector .
 bZP2 cDNA ( 115 - 1914 nt , 1 . 8 kb ), Sac1, Sal1, lac operator
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 bZP2 cDNA ( 115 - 1914 nt , 1 . 8 kb ), Sac1, Sal1, lac operator