ABSTRACT Intervening proteins. or inteins. are mobile genetic elements that are translated within host polypeptides and removed at the protein level by splicing. In protein splicing. https://www.roneverhart.com/Western-Digital-Ultrastar-DC-HC570-WUH722222ALE6L1-22TB-7-2K-RPM-SATA-6Gb-s-512e-SED-3-5in-Recertified-Hard-Drive/