blood group H antigen (type O)

Blood group O antigen & substrate for blood group A antigen & blood group B antigen synthesis. Formed by action of fucosyltransferase. Present on erythrocytes of all individuals except those with the Bombay phenotype. The amount of H antigen on erythrocytes of specfic blood types in order of diminishing quantity: O > A2B > B > A1 > A1B. Antigen: b1->4 b1->3 Gal _____ GlcNAc ____ Gal | a1->2 | | Fuc

References

American Association of Blood Banks (AABB) Technical Manual, 9th edition, 1985, pg 117, 119