>4U7Y_1|Chain A|Vacuolar protein sorting-associated protein 4B|Homo sapiens (9606) SMSSTSPNLQKAIDLASKAAQEDKAGNYEEALQLYQHAVQYFLHVVKYEAQGDKAKQSIRAKCTEYLDRAEKLKEYLKNKEKKAQKPVKE >4U7Y_2|Chain B|IST1 homolog|Homo sapiens (9606) STSASEDIDFDDLSRRFEELKKKTW