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.
https://www.creativebiolabs.net/Fab-Fragment-Antibodies_24.htm