Cyanocobalamin transport proteins in canine plasma

Rappazzo, M.E.; Hall, C.A.

American Journal of Physiology 222(1): 202-206

1972


ISSN/ISBN: 0002-9513
PMID: 5060219
Document Number: 56621
A protein binding vitamin B-12 was found in plasma of dogs; it eluted from DEAE-cellulose with the ss-globulins, had ss mobility on paper electrophoresis and a molecular size of about 38 000, carried cyano-cobalamin as it was absorbed, and reacted immuno-logically with antitranscobalamin II. All those properties are shared by human transcobalamin II.

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