Avidin
Function
The biological function of avidin is not known. Forms a strong non-covalent specific complex with biotin (one molecule of biotin per subunit of avidin).
Post-translational modifications
N-linked glycan at Asn-41 consists of GlcNAc(beta1-2)Man(alpha1-3)[GlcNAc(beta1-4)][Man(alpha1-?)Man(alpha1-6)] Man(beta1-4)GlcNAc(beta1-4)GlcNAc.
Sequence Similarities
Belongs to the avidin/streptavidin family.
Tissue Specificity
Synthesized in hen oviduct and concentrated in egg white (where it represents 0.05% of the total protein).
Cellular localization
- Secreted
Alternative names
Avidin, AVD