Takara LA Taq is a mixture of Taq Polymerase with a proofreading polymerase. The mixture is optimized for amplification of long DNA templates (routinely 20 kb and up to 48 kb depending on template type) with high fidelity. This LA Taq polymerase mix is supplied with separate tubes of optimized buffer (Mg2+ free), MgCl2, and dNTPs. 125 units