Dr. Peter D'Adamo/ The Blood Type Diets



DR. D'ADAMO: LECSTER 7


The lectin database of Dr. Peter D'Adamo.
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Psophocarpus tetragonolobus

SPECIES IMAGE
SOURCEWinged bean
LECTINSPTL-I (WBA-I), PTL-II (WBA-II), WBTL, L-I, L-II
MOLECULAR IMAGE
CLASS
NOMENLECp.Pso.Tet.se.Hga1 (PTL-I) LECp.Pso.Tet.se.Hga2 (PTL-II) LECp.Pso.Tet.ro.Hga1 (WBTL) LECp.Pso.Tet.so.Hga2 LECp.Pso.Tet.le.Hga1 (L-I) LECp.Pso.Tet.le.Hga2 (L-II)
INDEXPlant lectin / Plant / Seed / Hololectins / Gal/GalNAc-binding lectins
CHARACTERIZATIONThe seeds of winged bean, Psophocarpus tetragonolobus(L.)DC, contain two distinct groups of lectins characterized by different erythrocyte hemagglutinating specificities and isoelectric points.
BIOACTIVITYThe acidic lectins (PTA-I, PTA-II, PTA-II) agglutinated trypsinized human (type A, B, AB, and O) erythrocytes but not trypsinized rabbit erythrocytes.
SOURCE TISSUESeed
SPECIFICITY
INHIBITORSThey were inhibited by various D-galactose derivatives and D-galactose-containing disaccharides and trisaccharides. N-Acetylgalactosamine was the best inhibitor, and the specificity appears to be directed to beta-D-galactosides. However, compared with w
REFERENCESArch Biochem Biophys 1985 Feb 1;236(2):544-54 Biochim Biophys Acta. 1979 Nov 23;581(1):63-70.
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