>1S5R_1|Chain A|high mobility group box transcription factor 1|null DFTPMDSSAVYVLSSMARQRRAS >1S5R_2|Chain B|Sin3a protein|Mus musculus (10090) SLQNNQPVEFNHAINYVNKIKNRFQGQPDIYKAFLEILHTYQKEQRNAKEAGGNYTPALTEQEVYAQVARLFKNQEDLLSEFGQFLPDA