The ArpQ Holin (ArpQ Holin) Family (TC# 1.E.15) consists of a single holin-like protein 58 amino acyl residues (aas) in length with 2 transmembrane segments (TMSs). This protein is encoded by the arpQ gene in Enterococcus hirae. While annotated as a holin, it is not functionally characterized. See also Holin Lysin Transporter Classification Database References Further reading Protein families Membrane proteins Transmembrane proteins Transmembrane transporters Transport proteins Integral membrane proteins Holins