>3ZXB_1|Chains A, B, C, D|SINGLE INSULIN-LIKE GROWTH FACTOR-BINDING DOMAIN PROTEIN-1|CUPIENNIUS SALEI (6928) FTCPECRPELCGDPGYCEYGTTKDACDCCPVCFQGPGGYCGGPEDVFGICADGFACVPLVGERDSQDPEIVGTCVKIP