ライフサイエンスコーパス: bacteriochlorophyll

1 lpha-Met1 which forms the ligand of the B800 bacteriochlorophyll.

2 l pyrophosphate in vitro, thereby generating bacteriochlorophyll.

3 l generated when light energy is absorbed by bacteriochlorophyll.

4 he optical modulation of naturally occurring bacteriochlorophylls.

5 - and beta-apoproteins and their coordinated bacteriochlorophylls.

6 d can perform its role as an energy donor to bacteriochlorophylls.

7 lide during biosynthesis of chlorophylls and bacteriochlorophylls.

8 cycles related to photosynthetic function of bacteriochlorophylls.

9 ral region and close similarity with natural bacteriochlorophylls.

10 , a reaction critical to the biosynthesis of bacteriochlorophylls.

11 ontains 18 alphabeta-subunits and additional bacteriochlorophyll a (BChl a) molecules that absorb max

12 mmetry where each monomer accommodates eight Bacteriochlorophyll a (BChl a) molecules.

13 Allomerization of bacteriochlorophyll a (Bchl a) was studied under various

14 Challenges to the de novo synthesis of bacteriochlorophyll a (BChl a), the chief pigment for an

15 Using the bacteriochlorophyll a (Bchl) cofactors as intrinsic prob

16 residues before a native His site that binds bacteriochlorophyll a (BChl-a) and, like the native LH p

17 anoxygenic, phototrophic bacteria containing bacteriochlorophyll a (Bchla) require oxygen for both gr

18 Compared to bacteriochlorophyll a and bacteriopheophytin, the relate

19 alpha-helices enclose the pigment molecules bacteriochlorophyll a and carotenoid.

20 In all of the mutants investigated, the B850 bacteriochlorophyll a binding site remained intact, cons

21 A bacteriochlorophyll a biosynthesis mutant of the purple

22 Bacteriochlorophyll a biosynthesis requires formation of

23 Bacteriochlorophyll a biosynthesis requires the stereo-

24 lorophyllide a by geranylgeraniol-PPi during bacteriochlorophyll a biosynthesis.

25 local protein environment of the constituent bacteriochlorophyll a chromophores and reflect electroni

26 sis of variable fluorescence arising from LH-bacteriochlorophyll a components.

27 However, the bacteriochlorophyll a contents of mutants lacking colore

28 Eight bacteriochlorophyll a derivatives were synthesized with

29 g to the selection of biliverdin IXalpha and bacteriochlorophyll a for their distinct absorption spec

30 roscopy (2DES) study of chromophores such as bacteriochlorophyll a in condensed phases to measure bot

31 trong excitonic coupling between their bound bacteriochlorophyll a molecules in combination with the

32 in bacterial reaction centers is a dimer of bacteriochlorophyll a molecules, labeled L or M based on

33 LHs bind bacteriochlorophyll a molecules, which confer on them a

34 gy transfer pathways from the carotenoids to bacteriochlorophyll a molecules.

35 A strategy for the synthesis of bacteriochlorophyll a relies on joining AD and BC halves

36 shown to support nearly wild-type levels of bacteriochlorophyll a synthesis.

37 The possible functions of the Zn-bacteriochlorophyll a(P)' molecules and the carotenoid-b

38 hyll a(P), 6.4 chlorophyll a(PD), and 1.6 Zn-bacteriochlorophyll a(P)' molecules per P840 (12.8:8.0:2

39 revealed that the RC complex contained 10.3 bacteriochlorophyll a(P), 6.4 chlorophyll a(PD), and 1.6

40 oxo-bacteriopyropheophorbide a (derived from bacteriochlorophyll a) as a starting material, which on

41 In bacteriochlorophyll a, dispersion instead stems from the

42 nds at 672 and 812 nm from chlorophyll a and bacteriochlorophyll a, respectively.

43 The vertical distribution of bacteriochlorophyll a, the numbers of infrared fluoresce

44 fied by the bacterial photosynthetic pigment bacteriochlorophyll a, yet often are labile toward dehyd

45 nal new branching point for the synthesis of bacteriochlorophyll a.

46 lorosomes, the Fenna-Matthews-Olson protein, bacteriochlorophylls a and c as principal pigments, and

47 sin to acquire light, whereas the other uses bacteriochlorophyll-a and the sulfur-oxidizing sox clust

48 -1 energy gap is vibronically coupled with a bacteriochlorophyll-a vibrational mode.

49 y delocalized exciton states of the circular bacteriochlorophyll aggregate.

50 pyrrole, cobalamin controls the synthesis of bacteriochlorophyll, an essential component of the photo

51 rge separation takes place between a pair of bacteriochlorophylls: an accessory bacteriochlorophyll (

52 Herein, a general route to stable, synthetic bacteriochlorophyll analogues is described.

53 fQ deletion strain synthesises low levels of bacteriochlorophyll and accumulates the biosynthetic pre

54 AGs, demonstrating that organisms containing bacteriochlorophyll and assimilative nitrate reductase c

55 formance liquid chromatography separation of bacteriochlorophyll and bacteriopheophytin pigments extr

56 observation of spin polarized 15N nuclei in bacteriochlorophyll and bacteriopheophytin was previousl

57 are replaced by features typical of unbound bacteriochlorophyll and bacteriopheophytin.

58 resembling those of the aromatic carbons in bacteriochlorophyll and bacteriopheophytin.

59 an oxygen- and light-dependent repressor of bacteriochlorophyll and carotenoid biosynthesis genes an

60 pression of light harvesting II genes and of bacteriochlorophyll and carotenoid biosynthesis genes in

61 emical evidence that RegA directly regulates bacteriochlorophyll and carotenoid biosynthesis in Rhodo

62 e identified, 20 of which encode enzymes for bacteriochlorophyll and carotenoid biosynthesis, reactio

63 also control expression of genes involved in bacteriochlorophyll and carotenoid synthesis, and synthe

64 The tetrapyrroles haem, bacteriochlorophyll and cobalamin (B12 ) exhibit a compl

65 lar to wild type but which possesses reduced bacteriochlorophyll and photosynthetic complexes in semi

66 t our assignment with control experiments on bacteriochlorophyll and simulations of the coherent dyna

67 al requirements for the binding of monomeric bacteriochlorophyll and to examine the basis of the red

68 e dimer and two small subunits coordinate 54 bacteriochlorophylls and 2 carotenoids that capture and

69 eme sensor to coordinate the amount of heme, bacteriochlorophyll, and photosystem apoprotein synthesi

70 sorbs sunlight by means of the protein-bound bacteriochlorophylls, and the reaction center (RC), whic

71 te P(+)B(L)(-) is characterized by a 1017 nm bacteriochlorophyll anion absorption band and decays by

72 y well-defined protein the distances between bacteriochlorophylls are comparable to those of other li

73 es in the disorder of the environment of the bacteriochlorophylls, are discussed.

74 Total depth-integrated bacteriochlorophyll at one station exceeded total chloro

75 L181 donates a sixth ligand to the monomeric bacteriochlorophyll B(B).

76 ly via recombination through the neighboring bacteriochlorophyll (B(A)) soon after formation.

77 a pair of bacteriochlorophylls: an accessory bacteriochlorophyll (B) and bacteriopheophytin (H).

78 primary electron donor (P*) to the adjacent bacteriochlorophyll (B) in photosynthetic bacterial reac

79 ted resonance Raman spectra of the accessory bacteriochlorophylls (B), the bacteriopheophytins (H), a

80 quence of strain HIMB55, including genes for bacteriochlorophyll-based phototrophy.

81 Gly(M201) --> Asp mutations near the L-side bacteriochlorophyll (BChl(L)) raise the free energy of P

82 to those of RCs in which BPhL is replaced by bacteriochlorophyll (BChl) (beta-type RCs) or by pheophy

83 s RC, the special pair (P) and accessory (B) bacteriochlorophyll (BChl) -binding sites contain Zn-BCh

84 The bacteriochlorophyll (BChl) a protein from Chlorobium tep

85 ng alcohol at the C-17 propionate residue of bacteriochlorophyll (BChl) a, phytol, with geranylgerani

86 nm, the most red-shifted absorption for any bacteriochlorophyll (BChl) a-containing species.

87 rial photosynthetic reaction center contains bacteriochlorophyll (Bchl) and bacteriopheophytin (Bph)

88 In reconstitution assays with bacteriochlorophyll (Bchl) and the LH1 alpha- and beta-p

89 lfur bacterium Chlorobium tepidum consist of bacteriochlorophyll (BChl) c aggregates that are surroun

90 rial phylum Acidobacteria, which synthesizes bacteriochlorophyll (BChl) c and chlorosomes like member

91 The bacteriochlorophyll (Bchl) c content and organization wa

92 Bacteriochlorophyll (BChl) c is the major photosynthetic

93 The gene encoding bacteriochlorophyll (BChl) c synthase was identified by

94 acteristically contain very large numbers of bacteriochlorophyll (BChl) c, d, or e molecules.

95 acteria are chlorophotorophs that synthesize bacteriochlorophyll (BChl) c, d, or e, which assemble in

96 normally donates the coordinating ligand to bacteriochlorophyll (Bchl) have provided the experimenta

97 s ambiguity, we studied the decay of excited bacteriochlorophyll (Bchl) in the membrane-bound core an

98 One linker bacteriochlorophyll (BChl) is located in one of the two

99 e bacteriopheophytin (BPhL) is replaced by a bacteriochlorophyll (BChl) molecule, designated by beta

100 sphaeroides, the hydrogen bonds between the bacteriochlorophyll (Bchl) molecules and their proteic b

101 ates hundreds of thousands of self-assembled bacteriochlorophyll (BChl) molecules.

102 ome is a natural self-assembled aggregate of bacteriochlorophyll (BChl) molecules.

103 Bacteriochlorophyll (BChl) structural requirements for f

104 ve been investigated in mutants containing a bacteriochlorophyll (BChl)--bacteriopheophytin (BPhe) di

105 gy using either proton-pumping rhodopsins or bacteriochlorophyll (BChl)-based photosystems.

106 Park revealed the existence of a distinctive bacteriochlorophyll (BChl)-synthesizing, phototrophic ba

107 their behavior in reconstitution assays with bacteriochlorophyll (Bchl).

108 nyl-Chl a and b; and 8(1)-hydroxy-Chl a) and bacteriochlorophylls (BChl a, b, c, d, e, and g) are cur

109 Chlorosomes comprise thousands of bacteriochlorophylls (BChl c, d, or e) in a closely pack

110 he same as the one operating for chlorosomal bacteriochlorophylls (BChl's).

111 ely, comprising alpha and beta polypeptides, bacteriochlorophylls (Bchl), and carotenoids.

112 differ depending upon whether the monomeric bacteriochlorophylls, BChl(A), BChl(B), or the special p

113 Bacteriochlorophylls (BChls) c and d, two of the major l

114 Bacteriochlorophylls (BChls) c, d, and e are the major c

115 no acid polypeptide that binds and assembles bacteriochlorophylls (BChls) in micelles of octyl beta-g

116 unded by 14 LH1 alphabeta subunits, with two bacteriochlorophylls (Bchls) sandwiched between each alp

117 metry of the LH2 complex and binds six extra bacteriochlorophylls (BChls) that enhance the 800-nm abs

118 eported RCs in which BPhL is replaced with a bacteriochlorophyll (beta-type RCs) or a pheophytin.

119 the protein by histidine is not required for bacteriochlorophyll binding or for efficient electron tr

120 first examples of AP maquettes with heme and bacteriochlorophyll binding sites located within the LP

121 induced in photosynthesis (puf and puc) and bacteriochlorophyll biosynthesis (bchC).

122 consensus of our phylogenetic analysis, that bacteriochlorophyll biosynthesis evolved before chloroph

123 ectly responsible for anaerobic induction of bacteriochlorophyll biosynthesis genes bchE, bchD, bchJ,

124 A key step in bacteriochlorophyll biosynthesis is the reduction of pro

125 A key step in bacteriochlorophyll biosynthesis is the reduction of pro

126 fied FixK interacted with the promoters of a bacteriochlorophyll biosynthesis operon, a bacteriophyto

127 e of sequence similarity with carotenoid and bacteriochlorophyll biosynthesis promoters.

128 sion of three photosynthesis promoters, bch (bacteriochlorophyll biosynthesis), puc (light-harvesting

129 lved in the terminal esterification stage of bacteriochlorophyll biosynthesis, a previously uncharact

130 ated that FixK positively regulates haem and bacteriochlorophyll biosynthesis, cbb3 oxidase and NADH

131 M and part of bchH; bchHLM encode enzymes of bacteriochlorophyll biosynthesis.

132 ) into protochlorophylide, a reaction of the bacteriochlorophyll biosynthetic pathway catalyzed by th

133 rtain tetrapyrrole intermediates of the heme/bacteriochlorophyll biosynthetic pathways in R. sphaeroi

134 nto protoporphyrin IX in the chlorophyll and bacteriochlorophyll biosynthetic pathways.

135 enoid complex, proposed to regulate the haem/bacteriochlorophyll branchpoint by directing porphyrin f

136 nted, as well as Stark hole-burning data for bacteriochlorophyll c (BChl c) monomers in a poly(vinyl

137 whole cells was dominated by the chlorosome bacteriochlorophyll c (BChl c) peak at 759 nm, with fluo

138 Previous work showed that bacteriochlorophyll c (BChl c) was the major pigment in

139 bacterium Chlorobium tepidum comprise mostly bacteriochlorophyll c (BChl c), small amounts of BChl a,

140 ype, and the Q(y) absorbance maximum for the bacteriochlorophyll c aggregates in these chlorosomes wa

141 lorosomes, and the Q(y) absorption for their bacteriochlorophyll c aggregates was redshifted.

142 embly and supramolecular organization of the bacteriochlorophyll c aggregates within the chlorosome.

143 ified in a constant proportion together with bacteriochlorophyll c, and none of these 10 proteins was

144 ynthetic pathway of the chlorosome pigments, bacteriochlorophylls c, d, and e, is not well understood

145 Previous studies demonstrated that bacteriochlorophyll, carotenoid, and light harvesting ge

146 hat is responsible for aerobic repression of bacteriochlorophyll, carotenoid, and light harvesting-II

147 tes this process by repressing expression of bacteriochlorophyll, carotenoid, and light-harvesting ge

148 genes involved in the biosynthesis of haem, bacteriochlorophyll, carotenoids as well as structural p

149 mental evidence that interaction between the bacteriochlorophyll chromophores and the protein environ

150 We used noncovalently bound arrays of bacteriochlorophyll chromophores within native and genet

151 ronic spectroscopy investigations of the FMO bacteriochlorophyll complex, and obtain direct evidence

152 r coupling in the Fenna-Matthews-Olson (FMO) bacteriochlorophyll complex, which is found in green sul

153 the excited-state wavefunctions of the whole bacteriochlorophyll complex.

154 Bacteriochlorophylls contain a bacteriochlorin macrocycl

155 the oxygenic phototrophs and a diversity of bacteriochlorophyll-containing bacteria that make up the

156 nder ambient conditions, showing that the 27 bacteriochlorophylls coordinated by LH2 act as a non-cla

157 s-linking technique involving application of Bacteriochlorophyll Derivative WST-11 mixed with dextran

158 esized that taurine-driven E-ring opening of bacteriochlorophyll derivatives and net-charge variation

159 longwave reflecting tapetum and, uniquely, a bacteriochlorophyll-derived photosensitizer.

160 Following direct excitation of the bacteriochlorophyll dimer (P) to its lowest excited sing

161 r sphaeroides, containing a highly oxidizing bacteriochlorophyll dimer and a tyrosine residue substit

162 signed as arising primarily from an oxidized bacteriochlorophyll dimer at low pH values and from a ty

163 s observed for the reduction of the oxidized bacteriochlorophyll dimer by the bound manganese upon ex

164 between the primary quinone acceptor and the bacteriochlorophyll dimer decreased in the M199 Asn to A

165 early electron transfer steps, including the bacteriochlorophyll dimer donor P860 and probably the ba

166 Changing the oxidation states of the bacteriochlorophyll dimer electron donor (P) and primary

167 introduction of ionizable residues near the bacteriochlorophyll dimer in reaction centers from Rhodo

168 ecombination from the primary quinone to the bacteriochlorophyll dimer of the reaction center from th

169 o alter the electrostatic environment of the bacteriochlorophyll dimer that serves as the photochemic

170 Electron transfer from the bacteriochlorophyll dimer to the bacteriopheophytin acce

171 The electronic structure of the bacteriochlorophyll dimer was probed by introducing smal

172 cal and EPR spectra showed that the oxidized bacteriochlorophyll dimer was reduced by Tyr L167 in the

173 1, M160, M197, and M210, that give rise to a bacteriochlorophyll dimer with a midpoint potential of a

174 state P* of the primary electron-donor P (a bacteriochlorophyll dimer) to the B-side bacteriopheophy

175 te (where D is the primary electron donor (a bacteriochlorophyll dimer), and QA and QB are the primar

176 reduces the photo-oxidized RC donor (D+), a bacteriochlorophyll dimer, in the co-crystals in approxi

177 ptical spectroscopy showed that the oxidized bacteriochlorophyll dimer, P+, could oxidize iron but on

178 on from exogenous manganese (II) ions to the bacteriochlorophyll dimer, P, of bacterial reaction cent

179 hylls, BChl(A), BChl(B), or the special pair bacteriochlorophyll dimer, P, was chosen for excitation.

180 sphaeroides has been modified such that the bacteriochlorophyll dimer, when it becomes oxidized afte

181 om the mutants showed a lack of the oxidized bacteriochlorophyll dimer, while the reduced primary qui

182 alter the electrostatic environment of P, a bacteriochlorophyll dimer, without greatly affecting its

183 g a tyrosine residue near a highly oxidizing bacteriochlorophyll dimer.

184 the RC, with the heme edge located above the bacteriochlorophyll dimer.

185 d approximately 10 A from a highly oxidizing bacteriochlorophyll dimer.

186 iously unreported geranyl ester of 4-i-butyl bacteriochlorophyll-e.

187 for by a series of aromatic carotenoids and bacteriochlorophylls-e, including a previously unreporte

188 explain the differences in the carotenoid to bacteriochlorophyll energy transfer efficiency after S(2

189 In Rps. acidophila the carotenoid S(1) to bacteriochlorophyll energy transfer is found to be quite

190 Similarly, carotenoid to bacteriochlorophyll energy transfer was largely unaffect

191 cturally modified photosystem assembled with bacteriochlorophyll esterified with geranylgeraniol, rat

192 radicals which then are capable of quenching bacteriochlorophyll excited states through electron tran

193 xing of the bacteriopheophytin and accessory bacteriochlorophyll excited states.

194 d dimers reminiscent of the special pairs of bacteriochlorophylls found in some photosynthetic bacter

195 examine the basis of the red shift seen for bacteriochlorophyll in photosynthetic complexes, in addi

196 the ligand to the central Mg in an accessory bacteriochlorophyll in reaction centers of purple bacter

197 forms part of the binding site for the B800 bacteriochlorophyll in the LH2 complex of Rhodobactersph

198 lineate physicochemical features relevant to bacteriochlorophylls in photosynthesis but have been lit

199 er 9 resembles the structural arrangement of bacteriochlorophylls in reaction center (RC), we investi

200 nd replaces histidine as the axial ligand to bacteriochlorophylls in the cavity mutants.

201 s49 and Cys353) situated near two low-energy bacteriochlorophylls in the FMO protein from Chlorobacul

202 dine serves as the axial ligand to the Mg of bacteriochlorophylls in the photosynthetic reaction cent

203 His residue that binds one of the accessory bacteriochlorophylls in the purple bacterial reaction ce

204 switching of tetrapyrrole metabolism toward bacteriochlorophyll is coordinated with the production o

205 the primary donor to the M-side intermediate bacteriochlorophyll is quite small because of destructiv

206 rmal special-pair comprised of Mg-containing bacteriochlorophylls is formed, as judged by many differ

207 rochelatase activity and increasing cellular bacteriochlorophyll levels.

208 The bacteriochlorins exhibit characteristic bacteriochlorophyll-like absorption spectra, including a

209 is ratio exists for different regions of the bacteriochlorophyll macrocycles.

210 More than 95% of the pigments in the bacteriochlorophyll-maximum are accounted for by a serie

211 rporate IPP into the ultimate carotenoid and bacteriochlorophyll metabolites in R. capsulatus.

212 is shown that, whereas the properties of the bacteriochlorophyll model can be explained on the basis

213 The photobleaching of one bacteriochlorophyll molecule from the 18-member assembly

214 obably P+BChlL- as well (BChlL is the L-side bacteriochlorophyll molecule).

215 ically modified to contain a lysine near the bacteriochlorophyll molecule, BChl(M), on the nonphotoac

216 imulate the excited-state dynamics of the 24 bacteriochlorophyll molecules and their coupling to 50 n

217 B850 bacteriochlorophyll molecules are arranged in a ring of

218 ortion of the protein-bound 850 nm-absorbing bacteriochlorophyll molecules, or break of the hydrogen

219 ng B800 and B850 rings that contain 9 and 18 bacteriochlorophyll molecules, respectively.

220 light-harvesting complex, which contains 27 bacteriochlorophyll molecules.

221 The glycolipid is 3.5 A from the active bacteriochlorophyll monomer and shields this cofactor fr

222 ter exposed surface evident for the inactive bacteriochlorophyll monomer.

223 ion of the extremely hydrophobic 13(2)-OH-Ni-bacteriochlorophyll (Ni-BChl) to the lipophilic domain o

224 the imidazole group of His to the Mg atom of bacteriochlorophyll of >4.5 kcal/mol per BChl.

225 The bacteriochlorophyll of the purple photosynthetic bacteri

226 geoporphyrins, including three derived from bacteriochlorophylls of the d series and thus indicative

227 The histidine axial ligands to each and both bacteriochlorophylls of the special-pair primary electro

228 e, we couple the nanowire to specific sites (bacteriochlorophyll) of the Fenna-Matthews-Olson (FMO) p

229 is which provides the coordinating ligand to bacteriochlorophyll) of the former bacterium compared to

230 reductase (BchP); CT1232 is not involved in bacteriochlorophyll or chlorophyll biosynthesis.

231 Tetrapyrroles such as chlorophyll, heme, and bacteriochlorophyll play fundamental roles in the energy

232 ading frames that encode enzymes involved in bacteriochlorophyll/porphyrin biosynthesis, carotenoid b

233 eophorbide, the metal-free derivative of the bacteriochlorophyll precursor bacteriochlorophyllide, su

234 anchpoint by directing porphyrin flux toward bacteriochlorophyll production under oxygen-limiting con

235 osynthetic bacteria consists of a network of bacteriochlorophyll-protein complexes that absorb solar

236 troducing small systematic variations in the bacteriochlorophyll-protein interactions by a series of

237 the product of this gene was geranylgeranyl-bacteriochlorophyll reductase.

238 In contrast, the loss of 800 nm-absorbing bacteriochlorophyll reflects pressure-induced alteration

239 exes, representing a total of 3,879 or 4,464 bacteriochlorophylls, respectively.

240 Native chlorophylls and bacteriochlorophylls share a common trans-substituted py

241 is deficient in a hydrogen bond donor to the bacteriochlorophyll, showed an identical structure to th

242 spectral region to cover both carotenoid and bacteriochlorophyll signals.

243 or the membrane organization with two of the bacteriochlorophyll structures in the membrane and trans

244 In this model these two bacteriochlorophyll structures serve a similar role to t

245 differences are observed for the individual bacteriochlorophyll structures.

246 [(14)C]aminolevulinate was incorporated into bacteriochlorophyll, suggesting that the majority of the

247 We show that PufQ governs the haem/bacteriochlorophyll switch; pufQ is found within the oxy

248 rane invagination; LhaA associates with RCs, bacteriochlorophyll synthase (BchG), the protein translo

249 under conditions that give rise to elevated bacteriochlorophyll synthesis.

250 addition to the structural polypeptides and bacteriochlorophyll, the two major antenna complexes, B8

251 od-like shape, and that the self-assembly of bacteriochlorophylls, the major component of the chloros

252 s are performed on models of chlorophyll and bacteriochlorophyll to examine the effect of Mg ligation

253 Binding of bacteriochlorophyll to these PufX core segments is impli

254 was cultivated in the dark, biosynthesis of bacteriochlorophyll was increased, possibly to prepare f

255 We investigated whether the bacteriochlorophyll was produced by endosymbiotic bacter

256 metal exchange in pigments (chlorophylls and bacteriochlorophylls) was based on reversed-phase chroma

257 n and involves the large-scale production of bacteriochlorophyll, which shares a biosynthetic pathway

258 two types of pigments: (a) chlorophylls and bacteriochlorophylls, which function in both light harve

259 A known route to a model bacteriochlorophyll with a gem-dimethyl group in each py

260 opene transfers absorbed light energy to the bacteriochlorophylls with an efficiency of 54%, which co

261 view that electrostatic interactions of the bacteriochlorophylls with ionized residues of the protei

262 ra typical of bacteriopheophytins (free base bacteriochlorophylls), with a strong near-infrared absor

263 over the two moieties of the special pair of bacteriochlorophylls, with only slight excess in the L b