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The annotation and conditions in this rule are derived from the following entries: O87693 (CBID_BACME), Q05628 (CBID_SALTY)

If a protein meets these conditions... i

Common conditions

... then these annotations are applied i

Protein namei

  • Recommended name:
    Cobalt-precorrin-5B C(1)-methyltransferase (EC:
    Alternative name(s):
    Cobalt-precorrin-6A synthase

Gene namei

  • Name:cbiD


  • Pathwayi: adenosylcobalamin biosynthesis

    This protein is involved in step 6 of the subpathway that synthesizes cob(II)yrinate a,c-diamide from sirohydrochlorin (anaerobic route). This subpathway is part of the pathway adenosylcobalamin biosynthesis, which is itself part of Cofactor biosynthesis.
    View all proteins of this organism that are known to be involved in the subpathway that synthesizes cob(II)yrinate a,c-diamide from sirohydrochlorin (anaerobic route), the pathway adenosylcobalamin biosynthesis and in Cofactor biosynthesis.

Catalytic activityi

  • Cobalt-precorrin-5B + S-adenosyl-L-methionine = cobalt-precorrin-6A + S-adenosyl-L-homocysteine.

Sequence similaritiesi


  • Catalyzes the methylation of C-1 in cobalt-precorrin-5B to form cobalt-precorrin-6A.


GO (Gene Ontology) termsi

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