>tr|Q7PBK3|Q7PBK3_RICS2 NADH-quinone oxidoreductase subunit B OS=Rickettsia sibirica GN=nuoB MKNNFYQEDELLSNELSNRGFLLTKVDDVIGWARANSLWPMTFGLACCAVEMMQAAASRY DMDRFGMLFRPSPRQSDLMIVAGTLTNKMAPALRKVYDQMAEPKWVLSMGSCANGGGYYH FSYSVVRGCDRIVPVDVYVPGCPPTAEALIYGLMQLQKKIKRTTGFKYDARQTH