A NUCLEIC ACID ENCODING GLUTAMYL KINASE VARIANT RELEASED FROM FEEDBACK INHIBITION BY PROLINE, A VECTOR AND A HOST CELL CONTAINING THE SAME AND A METHOD OF PRODUCING L-THREONINE USING THE HOST CELL

摘要

The present invention is a polynucleotide encoding the polypeptide having the amino acid sequence of SEQ ID NO: 1 , vectors containing them and host cells and provides a method for producing L- threonine which comprises culturing the host cell .