>1E91_1|Chain A|PAIRED AMPHIPATHIC HELIX PROTEIN SIN3B|MUS MUSCULUS (10090) ESDSVEFNNAISYVNKIKTRFLDHPEIYRSFLEILHTYQKEQLHTKGRPFRGMSEEEVFTEVANLFRGQEDLLSEFGQFLPEAKR >1E91_2|Chain B|MAD PROTEIN (MAX DIMERIZER)|HOMO SAPIENS (9606) NIQMLLEAADYLE