Immunogen sequence: MFQAFPGDYD SGSRCSSSPS AESQYLSSVD SFGSPPTAAA SQECAGLGEM PGSFVPTVTA ITTSQDLQWL VQPTLISSMA QSQGQPLASQ PPVVDPYDMP. c-FOS is a nuclear phosphoprotein which forms a tight but non-covalently linked complex with the JUN/AP-1 transcription fac