Polypeptides with interleukin 16 activity, process for the preparation and use thereof

摘要

A nucleic acid which can be used to express a polypeptide with interleukin-16 activity in a prokaryotic or eukaryotic host cell, wherein in the region coding for the said polypeptide the said nucleic acid a)corresponds to the DNA sequence of nucleotides 54-1175 from SEQ ID NO:1 or to its complementary strand, b) hybridizes with the DNA of nucleotide sequence 54-785 from SEQ ID NO:1 under stringent conditions, c) hybridizes with the DNA of nucleotide sequence 786-1175 from SEQ ID NO:1 under stringent conditions and at the 5' end begins with nucleotides 756-785 from SEQ ID NO:1 or a part thereof which codes for part of the sequence of amino acids 235-244 from SEQ ID NO:1 or d) it is a nucleic acid sequence which would hybridize under stringent conditions with the nucleic acid sequences defined by a) or b) without the degeneracy of the genetic code, codes for proteins with improved interleukin-16 activity.