Recombinant hemoglobin

Abstract

Provided in the present invention are a recombinant hemoglobin, a nucleic acid encoding the recombinant hemoglobin, a preparation method therefor, etc., so as to solve the current problems of complex processes, high production costs, low yields, etc. that are present in the process of improving the stability of the tetrameric structure of hemoglobin. The recombinant hemoglobin comprises four polypeptide chains, the polypeptide chains being two α chains and two β chains respectively, wherein the amino acid sequences of the four polypeptide chains are linked by means of a linker peptide, and the linker peptides are preferably used to sequentially link the amino acid sequences of the four polypeptide chains from the N terminus to the C terminus in any order.

Dependencies are inferred from the claim text.