Disease:Defects in SERPINA6 are a cause of corticosteroid-binding globulin deficiency (CBG deficiency) [MIM:611489]. CBG deficiency is an extremely rare hereditary disorder characterized by reduced corticosteroid-binding capacity with normal or low plasma corticosteroid-binding globulin concentration, and normal or low basal cortisol levels associated with hypo/hypertension and muscle fatigue.,Function:Major transport protein for glucocorticoids and progestins in the blood of almost all vertebrate species.,online information:Transcortin entry,PTM:Glycosylation in position Asn-260 is needed for steroid binding.,PTM:N-glycosylated; binds 5 oligosaccharide chains.,similarity:Belongs to the serpin family.,tissue specificity:Plasma; synthesized in liver. Has also been identified in a number of glycocorticoid responsive cells.,
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