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:
 We have thus cloned two yeast homologs of mammalian p220 .
answer:
mammalian p220


question:
 A conventional N - terminal signal sequence was not detected in the NodO protein .
answer:
NodO protein


question:
 Twelve patients of leprosy with arthritis and 161 patients without arthritis were studied for immunological parameters like immunoglobulins ( IgG , IgM , IgA ) , C - reactive proteins and rheumatoid factor .
answer:

rheumatoid factor