Separable binding proteins for retinoic acid and retinol in bovine retina.
Biochim Biophys Acta
; 444(3): 789-93, 1976 Oct 22.
Article
em En
| MEDLINE
| ID: mdl-1032994
ABSTRACT
Binding proteins for retinoic acid and retinol were separated from a supernatant prepared from bovine retina. Fraction IV from DEAE-cellulose chromatography bound exogenous [3H] retinoic acid which could not be effectively displaced by retinol, retinal, retinyl acetate or palmitate, but which was readily displaced with excess retinoic acid. [3H] Retinol was bound by fraction V from DEAE-cellulose chromatography and was not displaced by retinal, retinoic acid, retinyl acetate or retinyl palmitate, but was readily displaced by excess retinol. Unlike bovine serum retinol-binding protein, neither intracellular binding protein formed a complex with purified human serum prealbumin. The supernatant from bovine retinas was estimated to contain five times more retinoic acid binding than retinol binder.
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Base de dados:
MEDLINE
Assunto principal:
Retina
/
Tretinoína
/
Vitamina A
/
Proteínas de Ligação ao Retinol
/
Proteínas
Limite:
Animals
Idioma:
En
Revista:
Biochim Biophys Acta
Ano de publicação:
1976
Tipo de documento:
Article