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Literature summary extracted from

  • Gray, M.J.; Escalante-Semerena, J.C.
    Single-enzyme conversion of FMNH2 to 5,6-dimethylbenzimidazole, the lower ligand of B12 (2007), Proc. Natl. Acad. Sci. USA, 104, 2921-2926.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.13.11.79
-
Rhodospirillum rubrum

Protein Variants

EC Number Protein Variants Comment Organism
1.14.13.81 additional information the lack of the BluB protein function in Rhodospirillum rubrum is reflected by the impaired ability of a DELTAbluB strain to synthesize cobalamin and to convert Mg-protoporphyrin IX monomethyl ester into protochlorophylide catalyzed by the MPE-cyclase enzyme, phenotype, overview Rhodospirillum rubrum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.13.11.79 23900
-
2 * 23900, calculated Rhodospirillum rubrum
1.13.11.79 47000
-
gel filtration Rhodospirillum rubrum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.14.13.81 additional information Rhodospirillum rubrum the enzyme converts Mg-protoporphyrin IX monomethyl ester into protochlorophylide, a reaction of the bacteriochlorophyll biosynthetic pathway ?
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.13.11.79 Rhodospirillum rubrum Q2RNG5
-
-
1.14.13.81 Rhodospirillum rubrum
-
gene bchE
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.13.11.79 FMNH2 + NADH + H+ + O2 + H2O
-
Rhodospirillum rubrum 5,6-dimethylbenzimidazole + D-erythrose 4-phosphate + NAD+ + ?
-
?
1.14.13.81 additional information the enzyme converts Mg-protoporphyrin IX monomethyl ester into protochlorophylide, a reaction of the bacteriochlorophyll biosynthetic pathway Rhodospirillum rubrum ?
-
?
1.14.13.81 additional information the enzyme converts Mg-protoporphyrin IX monomethyl ester into protochlorophylide Rhodospirillum rubrum ?
-
?

Subunits

EC Number Subunits Comment Organism
1.13.11.79 dimer 2 * 23900, calculated Rhodospirillum rubrum

Synonyms

EC Number Synonyms Comment Organism
1.14.13.81 BChE
-
Rhodospirillum rubrum
1.14.13.81 MPE-cyclase
-
Rhodospirillum rubrum

General Information

EC Number General Information Comment Organism
1.13.11.79 physiological function enzyme deletion mutant is unable to convert Mg-protoporphyrin IX monomethyl ester into protochlorophyllide, mutant starin grows poorly under anoxic photoheterotrophic conditions Rhodospirillum rubrum