Table 1 Characterization of p-blinatumomab and BLINCYTO.

From: Production system establishment and in vitro study of CD19/CD3ε bite antibody secreted from Pichia pastoris

Protein

Expression Yield

Binding affinity (Kd) in ELISA

Binding affinity (Kd) in FCM

Molecular weight

p-blinatumomab

1.2 mg/L

CD19

11.7 nM;

CD19

10.7 nM

54,250 Da

  

CD3ɛ

20.6 nM

CD3ɛ

97.7 nM

 

BLINCYTO

N/A

CD19

21.8 nM

CD19

10.2 nM

54,100 Da

  

CD3ɛ

29.6 nM

CD3ɛ

105.1 nM

 
  1. BLINCYTO Data not disclosed by the manufacturer. N/A Not applicable.