Mfg Part Number
Ab04009-1.1
Vector Labs Ab04009-1.1 Anti-Factor VIII [KM41], Mouse IgG1, kappa (100 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: | KM41 |
| Synonyms: | AHF; FVIII; Factor 8; anti-hemophilic factor; Coagulation factor VIII; procoagulant component |
| Amount: | 100 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. |
| Chimeric Use Statement: | This full-length, chimeric mouse antibody was made using the variable domain sequences of the original Human scFv format, for improved compatibility with existing reagents, assays and techniques. |
| Specificity Statement: | This antibody binds and epitope between amino acid R1803-K1818 of the A3-C1 domains of the human factor VIII, which also contain binding site for factor IXa. Factor VIII is 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 63 BU/mg. The scFv antibody binds human factor VIII light chain with a binding affinity of Kd= 1.6 nM (PMID: 11159524). It was reported that scFv KM33 inhibits the procoagulant activity of factor VIII. In view of the similar epitope specificity of scFv KM41 and CLB-CAg A (antibody which binds a synthetic peptide comprising residues R1803-K1818), it is likely that scFv KM41 competes with factor IXa for binding to the factor VIII light chain (PMID: 11159524). |
| Brand | Vector Labs |
|---|---|
| UNSPSC | 12161500 |