| abstract |
(57) [Problem] To provide a vector which can be used for production of a protein useful as a leukocyte increasing agent and a therapeutic agent for hematopoietic disorders. SOLUTION: One or more amino acid residues in the amino acid sequence shown in SEQ ID NO: 1 or the amino acid sequence from position 1 to position 174 in the amino acid sequence are deleted, substituted, A vector having a base sequence encoding the added and / or inserted amino acid sequence. |