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Biochemical Properties of Several Important Lectins

(according to J.C. BROWN and R.C. HUNT, 1978)
Origin
(Plant Species)
Lectin (Name)
Molecular Weight
Number of Subunits
Glycoprotein
Specificity
Arachis hypogaea (peanut)
peanut agglutinin (PNA)
110 000
4
-
beta-D-galactose
Canavalia ensiformis
(jack bean)
convanavalin A (Con A)
102 000
4
-
alpha-D-glucose alpha-D-mannose
Dolichus biflorus
Dolichus biflorus- agglutinin (DBA)
111 000
2 + 2
+
N-acetyl-alpha -D-galactosamine
Glycine max (soy bean)
soy bean- agglutinin (SBA)
110 000
4
+
N-acetyl-alpha -D-galactosamine beta-D-galactose
Lens culinaris (lentil)
Lens culinaris- agglutinin
48 000
2
+
alpha-D-glucose alpha-D-mannose
Phaseolus vulgaris
(french bean)
Phaseolus - agglutinin I
(PHA - I)
118 000
4
+
N-acetyl-alpha -D-galactosamine
Pisum sativum (pea)
pealectin-I (PSA)
49 000
2 + 2
+
alpha-D-glucose alpha-D-mannose
Ricinus communis (Ricinus)
(RCA 120)
(RCA 60)
Ricinus communis- agglutinin
120 000
60 000
2 + 2
1 + 1
+ +
beta-D-galactose, N-acetyl-alpha- D-galactosamine
Triticum vulgare
(wheat)
wheat germ agglutinin (WGA)
34 000
2
  
(N-acetyl-beta-(1,4)- D-glucosamine)>2, chitin, chitotriose
Ulex europaeus
(furze)
Ulex europaeus- agglutinin (UEA)
170 000
    
alpha-L-fucose

© Peter v. Sengbusch - b-online@botanik.uni-hamburg.de