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Literature summary extracted from

  • Ohmori, H.; Fukui, S.
    Vitamin B12-dependent methionine synthetase in photosynthetic bacteria: Partial purification and properties (1974), Agric. Biol. Chem., 38, 1317-1324.
No PubMed abstract available

Organism

EC Number Organism UniProt Comment Textmining
2.1.1.13 Chromatium sp.
-
 D
-
2.1.1.13 Chromatium sp. D
-
 D
-
2.1.1.13 Rhodospirillum rubrum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.1.1.13 partial Rhodospirillum rubrum
2.1.1.13 partial Chromatium sp.

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.1.1.13 additional information
-
-
 Rhodospirillum rubrum
2.1.1.13 additional information
-
-
 Chromatium sp.

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.1.1.13 6.5 6.6
-
 Rhodospirillum rubrum
2.1.1.13 7.5 7.8
-
 Chromatium sp.

pH Range

EC Number pH Minimum pH Maximum Comment Organism
2.1.1.13 6 7.5 pH 6.0: about 75% of maximum activity, pH 7.5: about 35% of activity maximum Rhodospirillum rubrum
2.1.1.13 6.5 8.3 pH 6.5: about 30% of maximum activity, pH 8.3: about 85% of maximum activity Chromatium sp.

Cofactor

EC Number Cofactor Comment Organism Structure
2.1.1.13 S-adenosyl-L-methionine
-
 Chromatium sp.
2.1.1.13 S-adenosyl-L-methionine required Rhodospirillum rubrum
2.1.1.13 vitamin B12 enzyme contains a derivative of vitamin B12 as prosthetic group Rhodospirillum rubrum
2.1.1.13 vitamin B12 enzyme contains a derivative of vitamin B12 as prosthetic group Chromatium sp.