A Fab fragment is a special antibody which consists of four domains: VH, CH1, VL and CL1. The Fab fragment has 440-450 amino acids and its molecular weight is about 47-48 kDa.

1. fab fragment
• Creative Biolabs is professional in producing
Fab fragment antibodies using well
established methods. We provide the most
comprehensive list of Fab fragment
antibodies.
• A Fab fragment is a special antibody which
consists of four domains: VH, CH1, VL and CL1.
The Fab fragment has 440-450 amino acids
and its molecular weight is about 47-48 kDa.

3. • At present, there are three Fab fragment
antibodies on the market, abciximab
(ReoPro®), ranibizumab (Lucentis®) and
certolizumab pegol (Cimzia®). Creative
Biolabs scientists are also working hard to
produce more and better Fab fragment
antibodies to meet customer demand.