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2.4.99.13: (Kdo)-lipid IVA 3-deoxy-D-manno-octulosonic acid transferase

This is an abbreviated version!
For detailed information about (Kdo)-lipid IVA 3-deoxy-D-manno-octulosonic acid transferase, go to the full flat file.

Reaction

CMP-beta-Kdo
+
an alpha-Kdo-(2->6)-[lipid IVA]
=
CMP
+
an alpha-Kdo-(2->4)-alpha-Kdo-(2->6)-[lipid IVA]

Synonyms

(KDO)-lipid IVA 3-deoxy-D-manno-octulosonic acid transferase, 3-deoxy-D-manno-2-octulosonic acid transferase, 3-deoxy-D-manno-oct-2-ulosonic acid transferase, 3-deoxy-D-manno-oct-2-ulosonic acid transferases, 3-deoxy-D-manno-octulosonic acid transferase, 3-deoxy-manno-octulosonic acid transferase, CMP-3-deoxy-D-manno-oct-2-ulosonate:(Kdo)-lipid IVA 3-deoxy-D-manno-oct-2-ulosonate transferase, Kdo transferase, KdtA, multi-functional Kdo-transferase, WaaA

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.99 Transferring other glycosyl groups
                2.4.99.13 (Kdo)-lipid IVA 3-deoxy-D-manno-octulosonic acid transferase

Systematic Name

Systematic Name on EC 2.4.99.13 - (Kdo)-lipid IVA 3-deoxy-D-manno-octulosonic acid transferase

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SYSTEMATIC NAME
IUBMB Comments
CMP-3-deoxy-beta-D-manno-oct-2-ulosonate:alpha-Kdo-(2->6)-[lipid IVA] 3-deoxy-D-manno-oct-2-ulosonate transferase (configuration-inverting)
The enzyme from Escherichia coli is bifunctional and transfers two 3-deoxy-D-manno-oct-2-ulosonate residues to lipid IVA (cf. EC 2.4.99.12 [lipid IVA 3-deoxy-D-manno-octulosonic acid transferase]) [1]. The enzymes from Chlamydia transfer three or more 3-deoxy-D-manno-oct-2-ulosonate residues and generate genus-specific epitopes [2].