Biotin NTA, also known as BNTA (Biotin nitrilotriacetic acid, tripotassium salt) is used to detect histidine-tagged proteins (as little as 0.1 pmol) immobilized on nitrocellulose membranes. Biotin NTA can be removed from the histidine-tagged protein at pH 4.8, allowing the blot be reanalyzed with another probe. White solid soluble in water Store at 4°C C20H36N4O8S MW: 488.56