Reports

# Additional Genetic Variation of Human Serum Transferrin

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Science  14 Sep 1962:
Vol. 137, Issue 3533, pp. 854-856
DOI: 10.1126/science.137.3533.854

## Abstract

A new molecular species of human transferrin, Tf $$Word$$, is described. Starch gel electrophoresis under high-voltage conditions permits the new variant to be clearly distinguished from previously described variants of closely similar mobilities. The presence of a faint iron-binding component which migrates slightly more rapidly than the principal transferrin with which it is associated is also described.