Premium
Control by light and oxygen of B875 and B850 pigment‐protein complexes in Rhodopseudomonas sphaeroides
Author(s) -
Arnheim K.,
Oelze J.
Publication year - 1983
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/0014-5793(83)81049-7
Subject(s) - chemistry , kinetics , oxygen , rhodopseudomonas , pigment , rhodospirillaceae , rhodobacter sphaeroides , rhodospirillales , photochemistry , oxygen evolution , saturation (graph theory) , crystallography , photosynthesis , biochemistry , organic chemistry , physics , mathematics , electrode , quantum mechanics , combinatorics , electrochemistry
Control by light and oxygen of the formation of B875 and B850 pigment‐protein complexes in Rhodopseudomonas sphaeroides was evaluated by use of Hill plots. Kinetics of oxygen‐dependent control exhibited Hill coefficients of n = 1.06 and n = 0.65 for B875 and B850 complexes, respectively. Half‐maximum inhibition of B875 complexes was at 20.4% air saturation of the medium and of B850 complexes at 0.9%. Light controlled both complexes with an identical sigmoidal kinetics of n = 2.1.