1.21.98.3: anaerobic magnesium-protoporphyrin IX monomethyl ester cyclase

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For detailed information about anaerobic magnesium-protoporphyrin IX monomethyl ester cyclase, go to the full flat file.

Reaction

Synonyms

BChE, chlE, Cyan7425_4778, Cyan7822_3999, F_1025, Mg-protoporphyrin IX monomethyl ester cyclase, MPE cyclase, oxygen-independent Mg-protoporphyrin IX monomethyl ester cyclase

ECTree

     1 Oxidoreductases

         1.21 Catalysing the reaction X-H + Y-H = X-Y

             1.21.98 With other, known, physiological acceptors

                1.21.98.3 anaerobic magnesium-protoporphyrin IX monomethyl ester cyclase

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66	AA Sequence
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4	Cloned(Commentary)
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29	General Information
1	Inhibitors
4	Localization
1	Metals/Ions
3	Molecular Weight [Da]
8	Natural Substrates/ Products (Substrates)
41	Organism
1	Pathway
2	Protein Variants
1	Purification (Commentary)
8	Reaction
27	Reference
19	Substrates and Products (Substrate)
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47	Synonyms
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Reaction on EC 1.21.98.3 - anaerobic magnesium-protoporphyrin IX monomethyl ester cyclase

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REACTION

REACTION DIAGRAM

COMMENTARY

ORGANISM

UNIPROT

LITERATURE

131-hydroxy-magnesium-protoporphyrin IX 13-monomethyl ester + S-adenosyl-L-methionine = 131-oxo-magnesium-protoporphyrin IX 13-monomethyl ester + 5'-deoxyadenosine + L-methionine

(1b)

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131-oxo-magnesium-protoporphyrin IX 13-monomethyl ester + S-adenosyl-L-methionine = 3,8-divinyl protochlorophyllide a + 5'-deoxyadenosine + L-methionine

(1c)

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magnesium-protoporphyrin IX 13-monomethyl ester + 3 S-adenosyl-L-methionine + H2O = 3,8-divinyl protochlorophyllide a + 3 5'-deoxyadenosine + 3 L-methionine

5 entries

magnesium-protoporphyrin IX 13-monomethyl ester + S-adenosyl-L-methionine + H2O = 131-hydroxy-magnesium-protoporphyrin IX 13-monomethyl ester + 5'-deoxyadenosine + L-methionine

(1a)

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magnesium-protoporphyrin IX 13-monomethyl ester + 3 S-adenosyl-L-methionine + H2O = 3,8-divinyl protochlorophyllide a + 3 5'-deoxyadenosine + 3 L-methionine

overall reaction

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magnesium-protoporphyrin IX 13-monomethyl ester + 3 S-adenosyl-L-methionine + H2O = 3,8-divinyl protochlorophyllide a + 3 5'-deoxyadenosine + 3 L-methionine

the oxygen-independent conversion of Mg-protoporphyrin IX monomethyl ester (Mg-PME) to protochlorophyllide (Pchlide) is catalyzed by the anaerobic Mg-PME cyclase termed BchE, via an unusual radical S-adenosylmethionine (SAM) and cobalamin-dependent BchE catalysis

Rhodobacter capsulatus

P26168

764107

magnesium-protoporphyrin IX 13-monomethyl ester + 3 S-adenosyl-L-methionine + H2O = 3,8-divinyl protochlorophyllide a + 3 5'-deoxyadenosine + 3 L-methionine

the oxygen-independent conversion of Mg-protoporphyrin IX monomethyl ester (Mg-PME) to protochlorophyllide (Pchlide) is catalyzed by the anaerobic Mg-PME cyclase termed BchE, via an unusual radical S-adenosylmethionine (SAM) and cobalamin-dependent BchE catalysis

Rhodobacter capsulatus NBRC 16581

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magnesium-protoporphyrin IX 13-monomethyl ester + 3 S-adenosyl-L-methionine + H2O = 3,8-divinyl protochlorophyllide a + 3 5'-deoxyadenosine + 3 L-methionine

the oxygen-independent conversion of Mg-protoporphyrin IX monomethyl ester (Mg-PME) to protochlorophyllide (Pchlide) is catalyzed by the anaerobic Mg-PME cyclase termed BchE, via an unusual radical S-adenosylmethionine (SAM) and cobalamin-dependent BchE catalysis

Rhodobacter capsulatus ATCC BAA-309

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magnesium-protoporphyrin IX 13-monomethyl ester + 3 S-adenosyl-L-methionine + H2O = 3,8-divinyl protochlorophyllide a + 3 5'-deoxyadenosine + 3 L-methionine

the oxygen-independent conversion of Mg-protoporphyrin IX monomethyl ester (Mg-PME) to protochlorophyllide (Pchlide) is catalyzed by the anaerobic Mg-PME cyclase termed BchE, via an unusual radical S-adenosylmethionine (SAM) and cobalamin-dependent BchE catalysis

Rhodobacter capsulatus SB1003

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