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6.3.4.14: biotin carboxylase

This is an abbreviated version!
For detailed information about biotin carboxylase, go to the full flat file.

Word Map on EC 6.3.4.14

Reaction

ATP
+
[biotin carboxyl-carrier protein]-biotin-N6-L-lysine
+
hydrogencarbonate-
=
ADP
+
phosphate
+
[biotin carboxyl-carrier protein]-carboxybiotin-N6-L-lysine

Synonyms

ACC, AccA, AccBC, AccC, BC, biotin carboxylase, biotin carboxylase (component of acetyl CoA carboxylase), biotinoyl domain of acetyl-CoA carboxylase, BirA, Carboxylase, biotin, More, PC-beta

ECTree

     6 Ligases
         6.3 Forming carbon-nitrogen bonds
             6.3.4 Other carbon-nitrogen ligases
                6.3.4.14 biotin carboxylase

Systematic Name

Systematic Name on EC 6.3.4.14 - biotin carboxylase

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SYSTEMATIC NAME
IUBMB Comments
[biotin carboxyl-carrier protein]-biotin-N6-L-lysine:hydrogencarbonate ligase (ADP-forming)
This enzyme, part of an acetyl-CoA carboxylase complex, acts on a biotin carboxyl-carrier protein (BCCP) that has been biotinylated by EC 6.3.4.15, biotin---[biotin carboxyl-carrier protein] ligase. In some organisms the enzyme is part of a multi-domain polypeptide that also includes the carrier protein (e.g. mycobacteria). Yet in other organisms (e.g. mammals) this activity is included in a single polypeptide that also catalyses the transfer of the carboxyl group from biotin to acetyl-CoA (see EC 6.4.1.2, acetyl-CoA carboxylase).