Mfg Part Number
Ab04008-30.11

Vector Labs Ab04008-30.11 Anti-Factor VIII [KM33], scFv fragment (His), ScFv, (50 μg)

Quick Overview
The original antibody was isolated from a human phage display library generated from the peripheral blood of an inhibitor patient and panning the library against factor VIII light chain.
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Product Class:Purified
Clone ID:KM33
Heavy Chain Modification:ScFv
Synonyms:AHF; FVIII; Factor 8; anti-hemophilic factor; Coagulation factor VIII; procoagulant component
Amount:50 μg
Application Codes Clone:ELISA; inhibit; functional assay
Shipping Temperature:Wet Ice
Buffer Composition:PBS with 0.02% Proclin 300.
Original Format:scFv
Storage Temperature:Store at 4⁰C for up to 3 months. For longer storage, aliquot and store at -20⁰C.
Specificity Statement:This antibody binds the C1 domain of the human factor VIII, a glycoprotein involved in blood coagulation. Factor VIII acts as a cofactor for factor IXa which converts factor X to the activated form Xa in the presence of calcium and phospholipids. Defects in the F8 gene, which encodes Factor VIII, result in the coagulation disorder hemophilia A.
Application Notes:The scFv version of this antibody was capable of inhibiting factor VIII activity with inhibition titre of 97 BU/mg. The scFv antibody binds human factor VIII light chain with a binding affinity of Kd= 0.1 nM. It was reported that scFv KM33 inhibits the procoagulant activity of factor VIII, although its epitope is located outside region R1803-K1818 (PMID: 11159524). It was reported that the presence of this antibody completely inhibited FVIII endocytosis by both monocyte and bone marrow derived mouse dendritic cells (PMID: 21962992). It was reported that this antibody inhibits FVIII activity and interactions with its physiological ligands, von Willebrand factor, phospholipids and catabolic receptors in vitro (PMID: 11159524; Limburg V et al., 2005).
More Information
Brand Vector Labs
UNSPSC 12161500