>2CZY_2|Chain B|transcription factor REST (version 3)|null APQLIMLANVALTGE >2CZY_1|Chain A|Paired amphipathic helix protein Sin3b|Mus musculus (10090) PVHVEDALTYLDQVKIRFGSDPATYNGFLEIMKEFKSQSIDTPGVIRRVSQLFHEHPDLIVGFNAFLPLGYRIDIPK