Patent ID: 11858962
Assignee: nan
Field: Measurement (Instruments)
Classification: CPC C  G | IPC C  G

Claim 3:
4. The polypeptide of claim 1, wherein said ectodomain is free of a furin cleavage site, and wherein
said furin cleavage site is an amino acid sequence selected from the group consisting of the following a), b), and c):
a) amino acid sequence selected from the group consisting of RXKR (SEQ ID NO:20) and RXRR (SEQ ID NO:21);
b) amino acid sequence selected from the group consisting of RX1KRX2 (SEQ ID NO:22) and RX1RRX2 (SEQ ID NO:23), wherein
X1 can be any amino acid residue, and
X2 can be any amino acid residue other than
a lysine residue or
an amino acid residue selected from the group consisting of valine residue, leucine residue, isoleucine residue and tryptophan residue;

c) amino acid sequence selected from the group consisting of RX1KRX2X3 (SEQ ID NO:24) and RX1RRX2X3 (SEQ ID NO:25), wherein
X1 can be any amino acid residue,
X2 can be any amino acid residue other than
a lysine residue or
an amino acid residue selected from the group consisting of valine residue, leucine residue, isoleucine residue and tryptophan residue,

and X3 can be any amino residue other than a lysine residue.