passages.id: split_4_test_2700_passage
passages.type: progene_text
passages.text: We identified a distinct receptor complex that is utilized by all three IFN-lambda proteins for signaling and is composed of two subunits , a receptor designated CRF2-12 ( also designated as IFN-lambdaR1 ) and a second subunit , CRF2-4 ( also known as IL-10R2 ) .