>tr|A0A250YAS7|A0A250YAS7_CASCN Large ribosomal subunit protein eL21 OS=Castor canadensis GN=RPL21 MTNTKGKRRGTRYMFSRPFRKHGVVPLATYMRIYKKGDIVDIKGMGTVQKGMPHKCYHGK TGRVYNVTQHAVGIVVNKQVKGKILAKRINVRIEHIKHSKSRDSFLKRVKENDQKKKEAK EKGTWVQLKRQPAPPREAHFVRTNGKEPELLEPIPYEFMA