>2n1a_B mol:protein length:53 CREB-binding protein GQDRFVYTCNECKHHVETRWHCTVCEDYDLCINCYNTKSHAHKMVKWGLGLDD >2n1a_A mol:protein length:103 Small ubiquitin-related modifier 1 GSMSDQEAKPSTEDLGDKKEGEYIKLKVIGQDSSEIHFKVKMTTHLKKLKESYCQRQGV PMNSLRFLFEGQRIADNHTPKELGMEEEDVIEVYQEQTGGHSTV >2n1a_B mol:protein length:53 CREB-binding protein GQDRFVYTCNECKHHVETRWHCTVCEDYDLCINCYNTKSHAHKMVKWGLGLDD