Isoforms of an endogenous lectin in rabbit bone marrow

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Abstract
A lectin which may mediate inter‐erythroblast associations during red blood cell development in rabbit bone marrow has previously been purified and characterised. We have now detected different forms of this lectin in purified preparations and crude tissue extracts, by isoelectric focusing in agarose gels followed by rocket immunoelectrophoresis and by indirect antibody staining of focused proteins blotted onto nitrocellulose paper. These minor antigens are probably isoforms of the bone marrow lectin previously characterised.