Pectic polysaccharide, alpha-1,5-arabinan (monoclonal, clone LM6)
From the laboratory of Paul Knox, Phd, University of Leeds, United Kingdom
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No cross-reactivity with gum arabic. The antibody recognises a linear pentasaccharide in (1-5)-α-L-arabinans. I many species it can also recognise pectic polysaccharides.
In some species this antibody could recognize arabinogalactan-proteins (AGPs).
In competitive inhibition ELISAs, antibody is binding to: (1-5)-α-L-arabinan was inhibited (50%) by 40 ng/ml (1-5)-α-L-arabinopentaose and 19 ng/ml (1-5)-α-L-arabinohexaose.
The plant cell wall surrounds the plant cell as a complex network of polysaccharides classed as: cellulose, hemicelluloses and pectic polysaccharides and glycoproteins. Anchored to or embedded into plant cell wall are other polymers, like: lignin, suberin or cutin. Pectins are the major polysaccharides that build pectic matrix of plant primary cell walls.