>1S5Q_1|Chain A|MAD protein|null RMNIQMLLEAADYLER >1S5Q_2|Chain B|Sin3a protein|Mus musculus (10090) SLQNNQPVEFNHAINYVNKIKNRFQGQPDIYKAFLEILHTYQKEQRNAKEAGGNYTPALTEQEVYAQVARLFKNQEDLLSEFGQFLPDA