Structure of bacteriochlorophylls

bc R1 R2 R3 R4 R5 R6 R7
a C=O(CH3) CH3 CH2-CH3 CH3 C=O(OCH3) Geranylgeraniol ester H
b C=O(CH3) CH3 =CH-CH3 CH3 C=O(OCH3) Phytyl ester H
c C=O-CH3 CH3 C2H5

C3H7

C4H9

CH3 H Farnesyl ester CH3
cg C-OH-CH3 CH3 C2H5

C3H7

C4H9

C2H5

CH3

H Stearyl alcohol CH3
d C-OH-CH3 CH3 C2H5

C3H7

C4H9

C2H5

CH3

H Farnesyl ester H
e C-OH-N CH3 C2H5

C3H7

C4H9

C2H5

CH3

H Farnesyl ester CH3
g C=CH2 CH3 C2H5 CH3 C=O-O-CH3 Farnesyl ester H

: molecular diagrams chlorophyll proteins : R groups in table refer to image at left - click will change image to the structure of the reaction center of the purple bacterium Rhodopseudo-monas viridis, in which quinones and the cytochrome participate in electron transfer reactions with the bacteriochlorophylls.

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