EC Number   |
Substrates   |
Organism   |
Products   |
Reversibility   |
---|
  1.3.98.3 | coproporphyrinogen III + 2 S-adenosyl-L-methionine |
reductive cleavage of S-adenosyl-L-methionine to produce methionine and a 5'-deoxyadenosyl radical intermediate, a reaction characteristic of the radical SAM superfamily, due to the presence of a CX3CX2C motif |
Homo sapiens |
protoporphyrinogen IX + 2 CO2 + 2 L-methionine + 2 5'-deoxyadenosine |
detection of the cleavage and degradation products and analysis by mass spectrometry, overview |
? |
  1.3.98.3 | coproporphyrinogen III + 2 S-adenosyl-L-methionine |
via reaction intermediate harderoporphyrinogen, not isoharderoporphyrinogen. During this reaction the propionate side chains on pyrrole rings A and B of coproporphyrinogen III are oxidatively decarboxylated to the corresponding vinyl groups of protoporphyrinogen IX. Two molecules of CO2 are released during the reaction and a final electron acceptor is required to take up two electrons from each side chain |
Escherichia coli |
protoporphyrinogen IX + 2 CO2 + 2 L-methionine + 2 5'-deoxyadenosine |
- |
? |
  1.3.98.3 | coproporphyrinogen III + 2 S-adenosyl-L-methionine |
conversion of coproporphyrinogen III to protoporphyrinogen IX via the reaction intermediate harderoporphyrinogen |
Escherichia coli |
protoporphyrinogen IX + 2 CO2 + 2 L-methionine + 2 5'-deoxyadenosine |
- |
? |
  1.3.98.3 | coproporphyrinogen III + S-adenosyl-L-methionine |
- |
Vibrio vulnificus |
protoporphyrinogen IX + CO2 + L-methionine + 5'-deoxyadenosine |
- |
? |
  1.3.98.3 | coproporphyrinogen III + S-adenosyl-L-methionine |
- |
Vibrio vulnificus ATCC 29307 |
protoporphyrinogen IX + CO2 + L-methionine + 5'-deoxyadenosine |
- |
? |
  1.3.98.3 | coproporphyrinogen-III + S-adenosyl-L-methionine |
- |
Escherichia coli |
protoporphyrinogen IX + CO2 + L-methionine + 5'-deoxyadenosine |
- |
? |
  1.3.98.3 | coproporphyrinogen-III + S-adenosyl-L-methionine |
- |
Homo sapiens |
protoporphyrinogen IX + CO2 + L-methionine + 5'-deoxyadenosine |
- |
? |
  1.3.98.3 | coproporphyrinogen-III + S-adenosyl-L-methionine |
- |
Cereibacter sphaeroides |
protoporphyrinogen IX + CO2 + L-methionine + 5'-deoxyadenosine |
- |
? |
  1.3.98.3 | coproporphyrinogen-III + S-adenosyl-L-methionine |
HemN catalyzes the essential conversion of coproporphyrinogen-III to protoporphyrinogen IX during heme biosynthesis |
Escherichia coli |
protoporphyrinogen IX + CO2 + L-methionine + 5'-deoxyadenosine |
- |
? |
  1.3.98.3 | coproporphyrinogen-III + S-adenosyl-L-methionine |
HemN catalyzes the prepenultimate step in anaerobic heme biosynthesis |
Escherichia coli |
protoporphyrinogen IX + CO2 + L-methionine + 5'-deoxyadenosine |
- |
? |