Abstract
We have produced and characterized the first monoclonal antibody against neopterin (D-erythro-6-(1,2,3,-trihydroxypropyl)pterin). The antibody specifically recognizes neopterin in a modified RIA. The binding capacity in this assay is 34%, the sensitivity limit of inhibition is 0.9 nmol/1. Cross-reactivity exists with monapterin (L-threo(1,2,3,trihydroxypropyl)pterin) in 30%, with other pteridines cross-reactivity has been found in less than 5%.
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