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Literature summary extracted from

  • Harada, J.; Mizoguchi, T.; Tsukatani, Y.; Yokono, M.; Tanaka, A.; Tamiaki, H.
    Chlorophyllide a oxidoreductase works as one of the divinyl reductases specifically involved in bacteriochlorophyll a biosynthesis (2014), J. Biol. Chem., 289, 12716-12726.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.3.1.75 gene bchXYZa Rhodopseudomonas palustris
1.3.1.75 gene bchXYZa, cloning and DNA and amino acid sequence determination and analysis, the plasmid carrying genes bchXYZ is used for complementation fo bchXYZ-deficient mutant strains of Rhodobacter sphaeroides, Rhodobacter palustris, Chlorobium tepidum, and Rhodobacter castenholzii Cereibacter sphaeroides

Protein Variants

EC Number Protein Variants Comment Organism
1.3.1.75 additional information construction of a bchXYZ deletion mutant, construction of a Rhodobacter palustris bciA mutant. The mutant lacking sole BciA can grow under anaerobic light conditions as well as aerobic dark conditions. On the other hand, the single bchXYZ mutant and the double bciA/bchXYZ mutant do not show phototrophic growth and grow under aerobic/semiaerobic conditions in the dark Cereibacter sphaeroides
1.3.1.75 additional information construction of a bchXYZ deletion mutant, construction of a Rhodobacter palustris bciB mutant using the plasmid pJSC-palB-Km Rhodopseudomonas palustris

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.3.1.75 chlorophyllide a + NADP+ Cereibacter sphaeroides
-
 divinyl chlorophyllide a + NADPH + H+
-
 ?
1.3.1.75 chlorophyllide a + NADP+ Rhodopseudomonas palustris
-
 divinyl chlorophyllide a + NADPH + H+
-
 ?
1.3.1.75 chlorophyllide a + NADP+ Cereibacter sphaeroides J001
-
 divinyl chlorophyllide a + NADPH + H+
-
 ?
1.3.1.75 chlorophyllide a + NADP+ Rhodopseudomonas palustris J1002
-
 divinyl chlorophyllide a + NADPH + H+
-
 ?
1.3.1.75 chlorophyllide a + NADP+ Rhodopseudomonas palustris J002
-
 divinyl chlorophyllide a + NADPH + H+
-
 ?
1.3.7.13 protochlorophyllide a + oxidized ferredoxin [iron-sulfur] cluster Rhodopseudomonas palustris
-
 3,8-divinyl protochlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + H+
-
 ?
1.3.7.13 protochlorophyllide a + oxidized ferredoxin [iron-sulfur] cluster Rhodopseudomonas palustris J1002
-
 3,8-divinyl protochlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + H+
-
 ?
1.3.7.13 protochlorophyllide a + oxidized ferredoxin [iron-sulfur] cluster Rhodopseudomonas palustris J002
-
 3,8-divinyl protochlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + H+
-
 ?
1.3.7.15 3-deacetyl-3-vinylbacteriochlorophyllide a + oxidized ferredoxin [iron-sulfur] cluster + ADP + phosphate Cereibacter sphaeroides
-
 chlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + ATP + H2O + H+
-
 ?
1.3.7.15 3-deacetyl-3-vinylbacteriochlorophyllide a + oxidized ferredoxin [iron-sulfur] cluster + ADP + phosphate Cereibacter sphaeroides J001
-
 chlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + ATP + H2O + H+
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.3.1.75 Cereibacter sphaeroides
-
 rifampicin-resistant mutant strain J001 derived from wild-type strain 2.4.1, gene bchXYZ
-
1.3.1.75 Cereibacter sphaeroides J001
-
 rifampicin-resistant mutant strain J001 derived from wild-type strain 2.4.1, gene bchXYZ
-
1.3.1.75 Rhodopseudomonas palustris
-
 a rifampicin-resistant variant of wild-type strain CGA009, gene bciB
-
1.3.1.75 Rhodopseudomonas palustris J002
-
 a rifampicin-resistant variant of wild-type strain CGA009, gene bciB
-
1.3.7.13 no activity in Rhodobacter sphaeroides
-
-
-
1.3.7.13 Rhodopseudomonas palustris
-
-
-
1.3.7.13 Rhodopseudomonas palustris J1002
-
-
-
1.3.7.15 Cereibacter sphaeroides
-
-
-
1.3.7.15 Cereibacter sphaeroides J001
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.3.1.75 chlorophyllide a + NADP+
-
 Cereibacter sphaeroides divinyl chlorophyllide a + NADPH + H+
-
 ?
1.3.1.75 chlorophyllide a + NADP+
-
 Rhodopseudomonas palustris divinyl chlorophyllide a + NADPH + H+
-
 ?
1.3.1.75 chlorophyllide a + NADP+
-
 Cereibacter sphaeroides J001 divinyl chlorophyllide a + NADPH + H+
-
 ?
1.3.1.75 chlorophyllide a + NADP+
-
 Rhodopseudomonas palustris J1002 divinyl chlorophyllide a + NADPH + H+
-
 ?
1.3.1.75 chlorophyllide a + NADP+
-
 Rhodopseudomonas palustris J002 divinyl chlorophyllide a + NADPH + H+
-
 ?
1.3.7.13 protochlorophyllide a + oxidized ferredoxin [iron-sulfur] cluster
-
 Rhodopseudomonas palustris 3,8-divinyl protochlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + H+
-
 ?
1.3.7.13 protochlorophyllide a + oxidized ferredoxin [iron-sulfur] cluster
-
 Rhodopseudomonas palustris J1002 3,8-divinyl protochlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + H+
-
 ?
1.3.7.13 protochlorophyllide a + oxidized ferredoxin [iron-sulfur] cluster
-
 Rhodopseudomonas palustris J002 3,8-divinyl protochlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + H+
-
 ?
1.3.7.15 3-deacetyl-3-vinylbacteriochlorophyllide a + oxidized ferredoxin [iron-sulfur] cluster + ADP + phosphate
-
 Cereibacter sphaeroides chlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + ATP + H2O + H+
-
 ?
1.3.7.15 3-deacetyl-3-vinylbacteriochlorophyllide a + oxidized ferredoxin [iron-sulfur] cluster + ADP + phosphate
-
 Cereibacter sphaeroides J001 chlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + ATP + H2O + H+
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.3.1.75 BciA
-
 Cereibacter sphaeroides
1.3.1.75 bciB
-
 Rhodopseudomonas palustris
1.3.1.75 COR
-
 Cereibacter sphaeroides
1.3.1.75 divinyl-chlorophyllide a reductase
-
 Cereibacter sphaeroides
1.3.1.75 divinyl-chlorophyllide a reductase
-
 Rhodopseudomonas palustris
1.3.1.75 DVR
-
 Cereibacter sphaeroides
1.3.1.75 DVR
-
 Rhodopseudomonas palustris
1.3.7.13 bciB
-
 Rhodopseudomonas palustris
1.3.7.13 chlorophyllide a oxidoreductase
-
 Rhodopseudomonas palustris
1.3.7.15 BchX/Y/Z
-
 Cereibacter sphaeroides
1.3.7.15 chlorophyllide a oxidoreductase
-
 Cereibacter sphaeroides
1.3.7.15 COR
-
 Cereibacter sphaeroides

Cofactor

EC Number Cofactor Comment Organism Structure
1.3.1.75 NADP+
-
 Cereibacter sphaeroides
1.3.1.75 NADP+
-
 Rhodopseudomonas palustris

General Information

EC Number General Information Comment Organism
1.3.1.75 malfunction single mutants with deleted BciA or COR show production of the C8 ethyl group pigments, whereas the double mutant accumulates 8-vinyl-chlorophyllide, indicating that there is no enzyme other than BciA and COR functioning as the third DVR in Rhodobacter sphaeroides, which has no bciB gene. COR genes derived from other groups of anoxygenic photosynthetic bacteria and introduced into the double mutant all complement the organism and produce normal bacteriochlorophyll a Rhodopseudomonas palustris
1.3.1.75 malfunction single mutants with deleted BciA or COR show production of the C8 ethyl group pigments, whereas the double mutant accumulates 8-vinyl-chlorophyllide, indicating that there is no enzyme other than BciA and COR functioning as the third DVR in Rhodobacter sphaeroides, which has no bciB gene. COR genes derived from other groups of anoxygenic photosynthetic bacteria and introduced into the double mutant all complement the organism and produce normal bacteriochlorophyll a, pigment compositions of wild-type and mutant strains, overview Cereibacter sphaeroides
1.3.1.75 metabolism in bacteriochlorophyll a biosynthesis, the reduction of the C8 vinyl group in 8-vinyl-chlorophyllide a is catalyzed to produce chlorophyllide a by an 8-vinyl reductase called divinyl reductase (DVR), which is divided into two types, BciA and BciB. Rhodopseudomonas palustris has only BciB as its divinyl reductase DVR. Chlorophyllide a is converted into 3-vinylbacteriochlorophyllide a and then into bacteriochlorophyll a, pathway overview Rhodopseudomonas palustris
1.3.1.75 metabolism in bacteriochlorophyll a biosynthesis, the reduction of the C8 vinyl group in 8-vinyl-chlorophyllide a is catalyzed to produce chlorophyllide a by an 8-vinyl reductase called divinyl reductase (DVR), which is into two types, BciA and BciB. Rhodobacter sphaeroides contains BciA but no BciB, and also another distinct divinyl reductase. Chlorophyllide a oxidoreductase, COR, performs two functions: reductions of the C8 vinyl group and the C7=C8 double bond. Chlorophyllide a is converted into 3-vinylbacteriochlorophyllide a and then into bacteriochlorophyll a, pathway overview Cereibacter sphaeroides