FIELD: biotechnology.
SUBSTANCE: invention relates to a single immunoglobulin variable domain (ISVD) capable of specifically binding to serum albumin, a method for its production, as well as to a protein construct and composition containing the above ISVD. Also a nucleic acid encoding the above ISVD, a nucleic acid encoding the above protein construct, and cells containing the above nucleic acids are disclosed. The invention also relates to a method for obtaining the above protein structure.
EFFECT: invention is effective for increasing the half-life of therapeutic compounds, fragments or substances.
24 cl, 7 dwg, 4 tbl, 4 ex
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