>sp|A1VM61|NUOB_POLNA NADH-quinone oxidoreductase subunit B OS=Polaromonas naphthalenivorans GN=nuoB MSLEGVFKEGFVTTSYDSVVNWAKTGSLWPMTFGLACCAVEMMHAGAARYDIDRFGMLFR PSPRQSDLMIVAGTLCNKMGPALRKVYDQMAEPRWVISMGSCANGGGYYHYSYSVVRGCD RIVPVDVYVPGCPPTAEALLYGIIQLQQKIRRTNTIARA