Term Name: | precorrin-3B |
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Synonyms: | 3,3',3'',3'''-(7S,8S,12S,13S,14R,15S)-2,7,12,18-tetrakis(2-carboxyethyl)-3,8,17-tris(carboxymethyl)-15-hydroxy-8,13,15-trimethyl-7,8,12,13,14,15,20,24-octahydroporphyrin-13(1),14-carbolactone, Precorrin 3B |
Definition: | The intermediate in the biosynthesis of vitamin B12 from uroporphyrinogen III in which three methyl groups have been introduced at positions 2, 7 and 20 of the tetrapyrrole framework and in which the carboxymethyl group at position 2 has been oxidised to form a lactone ring. |
Ontology: | ChEBI [CHEBI:27711] ( EBI ) |