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.
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Question:  Steady - state levels of murine MMR mRNA were measured in the macrophage cell line J774E , which is known to express the protein at the cell surface .

Answer: murine MMR mRNA


Question:  We also show that the products of both the GIY - YIG ORF and the non - canonical LAGLI - DADG - GIY - YIG ORF , which is generated by its integration , have endonuclease activities which recognize and cut the insertion site of the optional sequence .

Answer: GIY - YIG


Question:  All such polypeptides containing 263 or more residues derived from the C - terminus of P130gag - fps ( i . e . residues 920 - 1182 ) were enzymatically active as tyrosine kinases .

Answer:
tyrosine kinases