Azura Genomics Azura Taq DNA Polymerase: 5 U/µl recombinant Taq, A-overhang, 5′→3′ exonuclease, ≤5 kb amplicons. Includes 5× buffer. Three sizes: AZ-1205 (500 U), AZ-1210 (1,000 U), AZ-1250 (5,000 U).