>3ulj_A mol:protein length:90 Lin28b, DNA-binding proteinGSDPQVLRGSGHCKWFNVRMGFGFISMTSREGSPLENPVDVFVHQSKLYMEGFRSLKEGEPVEFTFKKSSKGFESLRVTGPGGNPCLGNE