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:  Like other IAPs , ch - IAP1 contains the N - terminal baculovirus IAP repeats and C - terminal RING finger motifs .

Answer: ch - IAP1


Question:  To further identify the residues responsible for the activity , we isolated the mutant viruses that were not neutralized with the soluble form of MHV receptor proteins , since such mutants were expected to have mutations in amino acids responsible for receptor - binding activity .

Answer: MHV receptor proteins


Question:  Sequence analysis identifies a ras - associating ( RA ) - like domain in the N - termini of band 4 . 1 / JEF domains and in the Grb7 / 10 / 14 adapter family .

Answer:
ras - associating