KPL Antibodies & Conjugates BacTrace® Anti-E. coli O45 Species Antibody, Peroxidase-Labeled Material Number 5320-0041 Size 0.1 mg Price Please sign in to view pricing. Inventory Status In Stock Unit EA Details Affinity purified polyclonal antibody to E. coli O45 made in goat and conjugated to peroxidase. Isolated from a serum pool of goats immunized with heat-killed whole cells of E.coli serogroup O45. Product is lyophilized. STEC.