Immunogen sequence: MKALIVLGLV LLSVTVQGKV FERCELARTL KRLGMDGYRG ISLANWMCLA KWESGYNTRA TNYNAGDRST DYGIFQINSR YWCNDGKTPG AVNACHLSCS; Positive Samples: HL-60, U-937, Mouse lung. This gene encodes human lysozyme, whose natural substrate is the bacterial cell