Klenow Fragment (2500 U)

Klenow Fragment (2500 U) — QIAGEN's DNA polymerase I large fragment (Klenow) for 5'→3' polymerase activity and 3'→5' exonuclease proofreading (where applicable). Ideal for fill-in of 5' overhangs, end polishing, labeling and second-strand synthesis. Supplied with recommended reaction buffer; use typical extension temperatures and consult protocol for labeling or blunt-ending applications. Manufacturer: QIAGEN.