emicizumab   Click here for help

GtoPdb Ligand ID: 9744

Synonyms: ACE-910 | ACE910 | emicizumab-kxwh | Hemlibra® | RG6013
Approved drug
emicizumab is an approved drug (FDA (2017), EMA (2018))
Compound class: Antibody
Comment: Emicizumab, is a humanised bispecific antibody that binds blood coagulation factors IXa and X and acts as a factor VIII mimetic to bring about activation of factor X, and promote coagulation [2-3,5]. In essence, emicizumab works by bridging between coagulation factors IX and X and is the first-in-class drug for haemophilia A prevention with this mechanism of action.
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Bioactivity Comments
Binds activated factor IX (IXa) with an affinity constant (KD) of 1.52 μM, and activated factor X (Xa) with a KD of 0.98 μM [2].
Selectivity at enzymes
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Target
Sp.
Type
Action
Value
Parameter
Reference
coagulation factor IX Hs Antibody Binding 5.8 pKd - 2
pKd 5.8 (Kd 1.58x10-6 M) [2]
Description: Determined by surface plasmon resonance analysis.
coagulation factor X Hs Antibody Binding 5.7 pKd - 2
pKd 5.7 (Kd 1.85x10-6 M) [2]
Description: Determined by surface plasmon resonance analysis.