>tr|D2R5K9|D2R5K9_PIRSD Membrane-flanked domain protein OS=Pirellula staleyi (strain ATCC 27377 / DSM 6068 / ICPB 4128) GN=Psta_2522 PE=4 SV=1 MKCPNCTAEVSETAAFCQNCGFALKGKEPMTPADEFRQKAQQRSAAEGDTEKDLWNGSFSPKAMYGYWLLATVITVASLV VCVLFPLPPLIFFIVVVDFAIWLGMGAYLLYQRMGVAYHLTSQRLIHHVGILRRVTNRIEMIDINDVSFEQGLIERMLGV GTIKILSSDTSHPSLVMPGIDDVKKIAAMIDDVRREERRRRGMFIESI