875A Cowan Rd.
Burlingame CA 94010
Affinity purified Fab' fragments and conjugatesFor studies that require non-crosslinking antibodies, PROTOS IMMUNORESEARCH offers monovalent Fab' antibody fragments. These low molecular weight (i.e.3.5S) fragments show increased tissue or cellular penetration. They are available with antibody activities to human immunoglobulins and light chains and to a variety of animal immunoglobulins.