Sharon P Kramer

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A di-(carboxamidomethyl) derivative of molybdopterin, the organic component of the molybdenum cofactor, has been prepared under conditions favoring retention of all of the structural features of the molecule. The specific radioactivity of [1-14C]iodoacetamide incorporated relative to the amount of phosphate indicated two alkylation sites per pterin.(More)
BACKGROUND Children with renal diseases who are treated with glucocorticoids are at increased risk of developing osteoporosis and fractures. However, there is no common strategy for prevention of corticosteroid-induced osteoporosis. The present systematic review was performed to determine whether prevention of bone loss by calcium (Ca), vitamin D (vit D)(More)
The reduced, metal-free pterin of the molybdenum cofactor has been termed molybdopterin. Oxidation of any molybdopterin-containing protein in the presence or absence of iodine yields oxidized molybdopterin derivatives termed Form A and Form B, respectively. Application of these procedures to whole cells and cell extracts has demonstrated the presence of(More)