>tr|A0A837JBW5|A0A837JBW5_9BACT ATP synthase epsilon chain OS=Aliarcobacter butzleri L352 GN=atpC MDTIKLSIVTPNGEIFNDDVKTVTLPGKEGEFGVLPGHSSLVSSLTVGVIVIEKVDSTEA VAINWGHVKVDEKSVDVLADGAIALTAGKDSEIAKNIEAAKELVNSVKDSNISVAAVEAK INSFA