A U.S. Patent for “Yeast Promoters from Pichia Pastoris” was awarded to Keck on April 14th, 2020. The present invention is an isolated nucleic acid wherein the sequence of the isolated nucleic acid comprises a sequence at least 95% identical to SEQ ID NO:2, or at least 95% identical to a fragment thereof, wherein the isolated nucleic acid comprises the sequence of a constitutive Pichia pastoris promoter operably linked to a heterologous coding sequence, and wherein the fragment extends about 300 nucleotides, about 400 nucleotides, about 500 nucleotides, about 600 nucleotides, or about 700 nucleotides upstream from the 3′ end of SEQ ID NO:2… Learn More