Positive Samples: Rat plasma Immunogen sequence: CDLPQTHSLG NRRALILLGQ MGRISPFSCL KDRHDFRIPQ EEFDGNQFQK AQAISVLHEM IQQTFNLFST EDSSAAW. Produced by macrophages, IFN-alpha have antiviral activities. Interferon stimulates the production of two enzymes: a pr