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A lectin from Ulex europaeus is used to identify the H blood group antigen. A lectin from Vicia graminea is used to identify the N blood group antigen. A lectin from Iberis amara is used to identify the M blood group antigen. Non blood-group antigens can be identified by lectins: A lectin from coconut milk is used to identify Theros antigen.
Phytohaemagglutinin (PHA, or phytohemagglutinin) is a lectin found in plants, especially certain legumes. PHA actually consists of two closely related proteins, called leucoagglutinin (PHA-L) and PHA-E. These proteins cause blood cells to clump together. PHA-E cause erythrocytes (red blood cells) to clump.
AFP can be fractionated by affinity electrophoresis into three glycoforms: L1, L2, and L3 based on the reactivity with the lectin Lens culinaris agglutinin (LCA). AFP-L3 binds strongly to LCA via an additional α 1-6 fucose residue attached at the reducing terminus of N-acetylglucosamine; this is in contrast to the L1 isoform.
Lectins recognise and bind particular sugar sequences in carbohydrates; peanut agglutinin binds the carbohydrate sequence Gal-β(1-3)-GalNAc. The name "peanut agglutinin" originates from its ability to stick together ( agglutinate ) cells, such as neuraminidase -treated erythrocytes , [ 1 ] which have glycoproteins or glycolipids on their ...
ABO blood group determination: Using anti-A and anti-B antibodies that bind specifically to either the A or to the B blood group surface antigens on RBCs, it is possible to test a small sample of blood and determine the ABO blood type of an individual. It does not identify the Rh(D) antigen (Rh blood type).
MBL deficiency or mannose-binding lectin deficiency is an illness that has an impact on immunity. Low levels of mannose-binding lectin , an immune system protein, are present in the blood of those who have this illness.