instruction:
In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.
question:
The human CA11 gene appears to be located between the secretor type alpha ( 1 , 2 ) - fucosyltransferase gene cluster ( FUT1 - FUT2 - FUT2P ) and the D - site binding protein gene ( DBP ) on chromosome 19q13 . 3 .
answer:
human CA11 gene

question:
Rat cholesterol side - chain cleavage cytochrome P - 450 ( P - 450scc ) gene .
answer:
P - 450scc

question:
Nine months after the end of the vaccination anti - HBsAg levels had dropped to 9 + / - 4 IU / 1 ( M + / - SE ) , with a geometric mean of 5 IU / 1 , in the nine remaining evaluable patients .
answer:
anti - HBsAg