part_of part of part of is_input_of is specified input of has_quality has quality has quality derives_from Drosophila melanogaster male embryo late embryonic stage cell type ENCODE functional genome mapping ENCODE cell line Drosophila melanogaster cell line embryonic cell line S2-DRSC Schneider's 2 SL2 This S2 isolate is the one routinely used for RNAi screens at the DRSC; it is referred to at the DRSC as "S2". Its relationship to the line we call "S2" (catalog #006) is not known. PMID:21177962 S2 NCIt:C111071 PMID:25262759 S2_DRSC Schneider's line 2