8-Azido-3,8-dideoxy-D-manno-octulosonic acid (Kdo-Azide) is an analogue of the natural 3-deoxy-D-manno-octulosonic acid (Kdo) that contains a very small modification, specifically an azido moiety. This molecule can be incorporated by cultured cells (Gram-negative Bacteria, for example) and incorporated into glycans (LPS, for example) during active glycan biosynthesis. Detection utilizes the chemoselective ligation or “click” reaction between an azide and an alkyne or cyclooctyne. The azido modified glycan can be labeled with either a fluorescent alkyne or a biotin alkyne. Azide and alkyne groups do not react or interfere with other functional groups found in biological samples but conjugate to one another with high efficiency.
 

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Click Chemistry Tools offers chemical and consulting services mainly in the field of conjugation chemistry. Our experience in the field of conjugation chemistry combined with availability of many click chemistry building blocks at our facility allows us to initiate projects rapidly and to cover a broad range of conjugation chemistry related services.