FIELD: biotechnology.
SUBSTANCE: group of inventions relates to biotechnology, in particular, to modification of proteins, and describes a method for regioselective chemical N-terminal gexa-ilirovation of thymosin beta 4, as well as monoconjugate produced as described above. Method is characterized by that is anhydride of hexanic acid is dissolved in multicomponent aqueous-organic buffer with pH 3, providing regioselective gexa-ilirovating and containing desacetilthymosin beta 4, incubated for 3 hours at 25 °C, cleaned by method OF VEJH and is lyophilized. Monoconjugat of hexanoic acid with thymosin beta 4 has improved pharmacokinetic properties.
EFFECT: invention enables to obtain monogexailirovaned thymosin beta 4 with high output and can be used in medicine and pharmaceutical industry.
2 cl, 4 dwg, 3 ex
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