参考文献:10.1021/bi00478a009 摘要:Hundle BS, Richards WR. Use of the membrane-impermeable guanidinating reagent 2-S-[14C]thiuroniumethanesulfonate to demonstrate the orientation of light-harvesting proteins in Rhodobacter sphaeroides. Biochemistry. 1990 Jul 03;29(26):6172–9. doi: 10.1021/bi00478a009.